diff --git a/AvionicsSoftware.ioc b/AvionicsSoftware.ioc index 0787e764..b897acff 100644 --- a/AvionicsSoftware.ioc +++ b/AvionicsSoftware.ioc @@ -9,7 +9,7 @@ ADC1.SamplingTime-0\#ChannelRegularConversion=ADC_SAMPLETIME_28CYCLES ADC1.ScanConvMode=DISABLE ADC1.master=1 ADC2.Channel-68\#ChannelRegularConversion=ADC_CHANNEL_10 -ADC2.ClockPrescaler=ADC_CLOCK_SYNC_PCLK_DIV2 +ADC2.ClockPrescaler=ADC_CLOCK_SYNC_PCLK_DIV4 ADC2.ContinuousConvMode=ENABLE ADC2.DMAContinuousRequests=DISABLE ADC2.DataAlign=ADC_DATAALIGN_RIGHT @@ -30,7 +30,9 @@ CAD.formats= CAD.pinconfig= CAD.provider= Dma.Request0=UART4_RX -Dma.RequestsNb=1 +Dma.Request1=UART5_RX +Dma.Request2=UART5_TX +Dma.RequestsNb=3 Dma.UART4_RX.0.Direction=DMA_PERIPH_TO_MEMORY Dma.UART4_RX.0.FIFOMode=DMA_FIFOMODE_DISABLE Dma.UART4_RX.0.Instance=DMA1_Stream2 @@ -41,6 +43,26 @@ Dma.UART4_RX.0.PeriphDataAlignment=DMA_PDATAALIGN_BYTE Dma.UART4_RX.0.PeriphInc=DMA_PINC_DISABLE Dma.UART4_RX.0.Priority=DMA_PRIORITY_LOW Dma.UART4_RX.0.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,FIFOMode +Dma.UART5_RX.1.Direction=DMA_PERIPH_TO_MEMORY +Dma.UART5_RX.1.FIFOMode=DMA_FIFOMODE_DISABLE +Dma.UART5_RX.1.Instance=DMA1_Stream0 +Dma.UART5_RX.1.MemDataAlignment=DMA_MDATAALIGN_BYTE +Dma.UART5_RX.1.MemInc=DMA_MINC_ENABLE +Dma.UART5_RX.1.Mode=DMA_NORMAL +Dma.UART5_RX.1.PeriphDataAlignment=DMA_PDATAALIGN_BYTE +Dma.UART5_RX.1.PeriphInc=DMA_PINC_DISABLE +Dma.UART5_RX.1.Priority=DMA_PRIORITY_LOW +Dma.UART5_RX.1.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,FIFOMode +Dma.UART5_TX.2.Direction=DMA_MEMORY_TO_PERIPH +Dma.UART5_TX.2.FIFOMode=DMA_FIFOMODE_DISABLE +Dma.UART5_TX.2.Instance=DMA1_Stream7 +Dma.UART5_TX.2.MemDataAlignment=DMA_MDATAALIGN_BYTE +Dma.UART5_TX.2.MemInc=DMA_MINC_ENABLE +Dma.UART5_TX.2.Mode=DMA_NORMAL +Dma.UART5_TX.2.PeriphDataAlignment=DMA_PDATAALIGN_BYTE +Dma.UART5_TX.2.PeriphInc=DMA_PINC_DISABLE +Dma.UART5_TX.2.Priority=DMA_PRIORITY_LOW +Dma.UART5_TX.2.RequestParameters=Instance,Direction,PeriphInc,MemInc,PeriphDataAlignment,MemDataAlignment,Mode,Priority,FIFOMode FREERTOS.FootprintOK=true FREERTOS.INCLUDE_vTaskDelayUntil=1 FREERTOS.IPParameters=Tasks01,INCLUDE_vTaskDelayUntil,FootprintOK,configMAX_TASK_NAME_LEN,configUSE_NEWLIB_REENTRANT,configTOTAL_HEAP_SIZE,configUSE_TIMERS @@ -125,10 +147,12 @@ Mcu.PinsNb=47 Mcu.ThirdPartyNb=0 Mcu.UserConstants= Mcu.UserName=STM32F405RGTx -MxCube.Version=6.7.0 -MxDb.Version=DB.6.0.70 +MxCube.Version=6.10.0 +MxDb.Version=DB.6.0.100 NVIC.BusFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false +NVIC.DMA1_Stream0_IRQn=true\:5\:0\:false\:false\:true\:true\:false\:true\:true NVIC.DMA1_Stream2_IRQn=true\:5\:0\:false\:false\:true\:true\:false\:true\:true +NVIC.DMA1_Stream7_IRQn=true\:5\:0\:false\:false\:true\:true\:false\:true\:true NVIC.DebugMonitor_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false NVIC.ForceEnableDMAVector=true NVIC.HardFault_IRQn=true\:0\:0\:false\:false\:true\:false\:false\:false\:false @@ -351,10 +375,13 @@ ProjectManager.PreviousToolchain=STM32CubeIDE ProjectManager.ProjectBuild=false ProjectManager.ProjectFileName=AvionicsSoftware.ioc ProjectManager.ProjectName=AvionicsSoftware +ProjectManager.ProjectStructure= ProjectManager.RegisterCallBack= ProjectManager.StackSize=0x400 ProjectManager.TargetToolchain=STM32CubeIDE ProjectManager.ToolChainLocation= +ProjectManager.UAScriptAfterPath= +ProjectManager.UAScriptBeforePath= ProjectManager.UnderRoot=true ProjectManager.functionlistsort=1-MX_GPIO_Init-GPIO-false-HAL-true,2-SystemClock_Config-RCC-false-HAL-true,3-MX_DMA_Init-DMA-false-HAL-true,4-MX_SPI1_Init-SPI1-false-HAL-true,5-MX_USART2_UART_Init-USART2-false-LL-true,6-MX_UART4_Init-UART4-false-HAL-true,7-MX_CRC_Init-CRC-false-HAL-true,8-MX_SPI3_Init-SPI3-false-HAL-true,9-MX_UART5_Init-UART5-false-LL-true,10-MX_ADC2_Init-ADC2-false-HAL-true,11-MX_SPI2_Init-SPI2-false-HAL-true,12-MX_TIM2_Init-TIM2-false-HAL-true,13-MX_USART1_UART_Init-USART1-false-LL-true,14-MX_USART3_UART_Init-USART3-false-LL-true,15-MX_ADC1_Init-ADC1-false-HAL-true RCC.48MHZClocksFreq_Value=84000000 @@ -445,4 +472,5 @@ VP_SYS_VS_tim1.Signal=SYS_VS_tim1 VP_TIM2_VS_ClockSourceINT.Mode=Internal VP_TIM2_VS_ClockSourceINT.Signal=TIM2_VS_ClockSourceINT board=VanderAvionics +rtos.0.ip=FREERTOS isbadioc=false diff --git a/Components/Communication/Inc/UARTDriver.hpp b/Components/Communication/Inc/UARTDriver.hpp index c6dc2c5c..0c06e4d1 100644 --- a/Components/Communication/Inc/UARTDriver.hpp +++ b/Components/Communication/Inc/UARTDriver.hpp @@ -14,6 +14,10 @@ #include "stm32f4xx_ll_dma.h" #include "cmsis_os.h" +/* Macros ----------------------------------------------------------------*/ +constexpr uint16_t DEBUG_DMA_RX_BUF_SIZE = 64; +constexpr uint16_t DEBUG_DMA_TX_BUF_SIZE = 64; + /* UART Driver Instances ------------------------------------------------------------------*/ class UARTDriver; @@ -57,7 +61,8 @@ class UARTDriver UARTDriver(USART_TypeDef* uartInstance) : kUart_(uartInstance), rxCharBuf_(nullptr), - rxReceiver_(nullptr) {} + rxReceiver_(nullptr), + transmittingDMA(false) {} // Polling Functions bool Transmit(uint8_t* data, uint16_t len); @@ -65,6 +70,8 @@ class UARTDriver // Interrupt Functions bool ReceiveIT(uint8_t* charBuf, UARTReceiverBase* receiver); + // yeah ok + void FinishDMA(); // Interrupt Handlers void HandleIRQ_UART(); // This MUST be called inside USARTx_IRQHandler @@ -81,6 +88,8 @@ class UARTDriver // Variables uint8_t* rxCharBuf_; // Stores a pointer to the buffer to store the received data UARTReceiverBase* rxReceiver_; // Stores a pointer to the receiver object + + bool transmittingDMA; }; diff --git a/Components/Communication/Inc/UARTTask.hpp b/Components/Communication/Inc/UARTTask.hpp index cbb2e2f3..7d2839eb 100644 --- a/Components/Communication/Inc/UARTTask.hpp +++ b/Components/Communication/Inc/UARTTask.hpp @@ -42,6 +42,9 @@ class UARTTask : public Task void ConfigureUART(); void HandleCommand(Command& cm); + uint8_t *DMABUF; + uint8_t *TXBUF; + private: UARTTask() : Task(UART_TASK_QUEUE_DEPTH_OBJS) {} // Private constructor UARTTask(const UARTTask&); // Prevent copy-construction diff --git a/Components/Communication/UARTDriver.cpp b/Components/Communication/UARTDriver.cpp index 80743295..a352ea52 100644 --- a/Components/Communication/UARTDriver.cpp +++ b/Components/Communication/UARTDriver.cpp @@ -14,6 +14,8 @@ */ #include "UARTDriver.hpp" #include "main_avionics.hpp" +#include "DebugTask.hpp" +#include // Declare the global UART driver objects namespace Driver { @@ -31,6 +33,21 @@ namespace Driver { */ bool UARTDriver::Transmit(uint8_t* data, uint16_t len) { + if(this == &Driver::uart5) { + + while(transmittingDMA) {}; + + transmittingDMA = true; + + LL_DMA_SetDataLength(DMA1, LL_DMA_STREAM_7, len); + + memcpy((uint8_t*)LL_DMA_GetMemoryAddress(DMA1, LL_DMA_STREAM_7),data,len); + + LL_DMA_EnableStream(DMA1, LL_DMA_STREAM_7); + + LL_DMA_SetCurrentTargetMem(DMA1, LL_DMA_STREAM_7, (uint32_t)LL_DMA_GetMemoryAddress(DMA1, LL_DMA_STREAM_7)); + + } else { // Loop through and transmit each byte via. polling for (uint16_t i = 0; i < len; i++) { LL_USART_TransmitData8(kUart_, data[i]); @@ -41,10 +58,21 @@ bool UARTDriver::Transmit(uint8_t* data, uint16_t len) // Wait until the transfer complete flag is set while (!LL_USART_IsActiveFlag_TC(kUart_)) {} + } return true; } + + + +// yeah ok +void UARTDriver::FinishDMA() { + transmittingDMA = false; +} + + + /** * @brief Receives 1 byte of data via interrupt * @param receiver @@ -125,6 +153,21 @@ bool UARTDriver::GetRxErrors() */ void UARTDriver::HandleIRQ_UART() { + void* d = (void *)1; + +// aehouhehahoeuhah + /* Check for IDLE line interrupt */ + + if(kUart_ == Driver::uart5.kUart_) { + if (LL_USART_IsEnabledIT_IDLE(kUart_) && LL_USART_IsActiveFlag_IDLE(kUart_)) { + LL_USART_ClearFlag_IDLE(kUart_); /* Clear IDLE line flag */ + rxReceiver_->InterruptRxData(DEBUG_DMA_RX_BUF_SIZE-LL_DMA_GetDataLength(DMA1, LL_DMA_STREAM_0)); + + + } + } else { + + // Call the callback if RXNE is set if (LL_USART_IsActiveFlag_RXNE(kUart_)) { // Read the data from the data register @@ -137,4 +180,5 @@ void UARTDriver::HandleIRQ_UART() rxReceiver_->InterruptRxData(GetRxErrors()); } } + } } diff --git a/Components/Communication/UARTTask.cpp b/Components/Communication/UARTTask.cpp index 4eafd42f..5d4841ce 100644 --- a/Components/Communication/UARTTask.cpp +++ b/Components/Communication/UARTTask.cpp @@ -7,17 +7,79 @@ #include "UARTTask.hpp" #include "UARTDriver.hpp" +#include +#include "cmsis_os.h" /** * TODO: Currently not used, would be used for DMA buffer configuration or interrupt setup * @brief Configures UART DMA buffers and interrupts * */ + + void UARTTask::ConfigureUART() { // UART 5 - Uses polling for now (switch to DMA or interrupts once SOAR-Protocol is defined) + // DMA IS BEGINNING WOW!!!!!!!!!!! + + LL_DMA_SetMemoryAddress(DMA1, LL_DMA_STREAM_0, (uint32_t)DMABUF); + LL_DMA_SetDataLength(DMA1, LL_DMA_STREAM_0, DEBUG_DMA_RX_BUF_SIZE); + + LL_DMA_SetMemoryAddress(DMA1, LL_DMA_STREAM_7, (uint32_t)TXBUF); + LL_DMA_SetDataLength(DMA1, LL_DMA_STREAM_7, DEBUG_DMA_TX_BUF_SIZE); + + LL_DMA_EnableIT_HT(DMA1, LL_DMA_STREAM_0); + LL_DMA_EnableIT_TC(DMA1, LL_DMA_STREAM_0); + + LL_DMA_EnableIT_HT(DMA1, LL_DMA_STREAM_7); + LL_DMA_EnableIT_TC(DMA1, LL_DMA_STREAM_7); + // HAL_UART_Receive_DMA(huart4, DMABUF, 40); + + +// NVIC_SetPriority(DMA1_Stream0_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 5, 0)); +// NVIC_EnableIRQ(DMA1_Stream0_IRQn); + + + LL_USART_EnableIT_IDLE(UART5); + + + + LL_USART_EnableDMAReq_RX(UART5); + LL_USART_EnableDMAReq_TX(UART5); + + + LL_DMA_SetPeriphAddress(DMA1, LL_DMA_STREAM_0, LL_USART_DMA_GetRegAddr(UART5)); + LL_DMA_SetPeriphAddress(DMA1, LL_DMA_STREAM_7, LL_USART_DMA_GetRegAddr(UART5)); + + + + LL_DMA_EnableStream(DMA1, LL_DMA_STREAM_0); + LL_DMA_EnableStream(DMA1, LL_DMA_STREAM_7); + + + // WHY + LL_USART_ClearFlag_FE(UART5); + LL_USART_ClearFlag_IDLE(UART5); + LL_USART_ClearFlag_LBD(UART5); + LL_USART_ClearFlag_NE(UART5); + LL_USART_ClearFlag_ORE(UART5); + LL_USART_ClearFlag_PE(UART5); + LL_USART_ClearFlag_RXNE(UART5); + LL_USART_ClearFlag_TC(UART5); + LL_USART_ClearFlag_nCTS(UART5); + + LL_DMA_ClearFlag_DME4(DMA1); + LL_DMA_ClearFlag_FE4(DMA1); + LL_DMA_ClearFlag_HT4(DMA1); + LL_DMA_ClearFlag_TC4(DMA1); + LL_DMA_ClearFlag_TE4(DMA1); + + + } + + /** * @brief Initializes UART task with the RTOS scheduler */ @@ -26,6 +88,13 @@ void UARTTask::InitTask() // Make sure the task is not already initialized SOAR_ASSERT(rtTaskHandle == nullptr, "Cannot initialize UART task twice"); + DMABUF = new uint8_t[DEBUG_DMA_RX_BUF_SIZE]; + memset(DMABUF,0xab,DEBUG_DMA_RX_BUF_SIZE); + + TXBUF = new uint8_t[DEBUG_DMA_TX_BUF_SIZE]; + memset(TXBUF,0xbc,DEBUG_DMA_TX_BUF_SIZE); + + strcpy((char*)TXBUF,"hello world"); // Start the task BaseType_t rtValue = xTaskCreate((TaskFunction_t)UARTTask::RunTask, @@ -39,6 +108,7 @@ void UARTTask::InitTask() SOAR_ASSERT(rtValue == pdPASS, "UARTTask::InitTask() - xTaskCreate() failed"); // Configure DMA + ConfigureUART(); } @@ -57,6 +127,7 @@ void UARTTask::Run(void * pvParams) //Process the command HandleCommand(cm); + } } diff --git a/Components/Core/Inc/RunInterface.hpp b/Components/Core/Inc/RunInterface.hpp index 7c050cb8..8df6aa3e 100644 --- a/Components/Core/Inc/RunInterface.hpp +++ b/Components/Core/Inc/RunInterface.hpp @@ -14,5 +14,6 @@ void cpp_USART1_IRQHandler(); void cpp_USART2_IRQHandler(); void cpp_USART3_IRQHandler(); void cpp_USART5_IRQHandler(); +void cpp_DMA1_Stream0_IRQHandler(); #endif /* C__IFACE_HPP_ */ diff --git a/Components/Core/RunInterface.cpp b/Components/Core/RunInterface.cpp index 579051f0..74bd4510 100644 --- a/Components/Core/RunInterface.cpp +++ b/Components/Core/RunInterface.cpp @@ -33,6 +33,42 @@ extern "C" { { Driver::uart5.HandleIRQ_UART(); } + + void cpp_DMA1_Stream0_IRQHandler() { + /* Check half-transfer complete interrupt */ + if (LL_DMA_IsEnabledIT_HT(DMA1, LL_DMA_STREAM_0) && LL_DMA_IsActiveFlag_HT0(DMA1)) { + LL_DMA_ClearFlag_HT0(DMA1); /* Clear half-transfer complete flag */ + + } + + /* Check transfer-complete interrupt */ + if (LL_DMA_IsEnabledIT_TC(DMA1, LL_DMA_STREAM_0) && LL_DMA_IsActiveFlag_TC0(DMA1)) { + LL_DMA_ClearFlag_TC0(DMA1); /* Clear transfer complete flag */ + + } + //SOAR_PRINT("PLEASE\n"); + + } + + void cpp_DMA1_Stream7_IRQHandler() { + /* Check half-transfer complete interrupt */ + if (LL_DMA_IsEnabledIT_HT(DMA1, LL_DMA_STREAM_7) && LL_DMA_IsActiveFlag_HT7(DMA1)) { + LL_DMA_ClearFlag_HT7(DMA1); /* Clear half-transfer complete flag */ + + } + + /* Check transfer-complete interrupt */ + if (LL_DMA_IsEnabledIT_TC(DMA1, LL_DMA_STREAM_7) && LL_DMA_IsActiveFlag_TC7(DMA1)) { + LL_DMA_ClearFlag_TC7(DMA1); /* Clear transfer complete flag */ + Driver::uart5.FinishDMA(); + LL_DMA_DisableStream(DMA1, LL_DMA_STREAM_7); + + } + + + //SOAR_PRINT("PLEASE\n"); + + } } diff --git a/Components/FlightControl/HDITask.cpp b/Components/FlightControl/HDITask.cpp index 06f67002..5e11b378 100644 --- a/Components/FlightControl/HDITask.cpp +++ b/Components/FlightControl/HDITask.cpp @@ -52,7 +52,7 @@ etl::map stateBlinks = etl::map debugMsgIdx) { + memcpy(b,msg+oldDebugMsgIdx,DEBUG_DMA_RX_BUF_SIZE-oldDebugMsgIdx); + memcpy(b+DEBUG_DMA_RX_BUF_SIZE-oldDebugMsgIdx,msg,debugMsgIdx); + //SOAR_PRINT("WRONG!\n"); + + b[debugMsgIdx+DEBUG_DMA_RX_BUF_SIZE-oldDebugMsgIdx-1] = 0; + + } else { + + memcpy(b,msg+oldDebugMsgIdx,debugMsgIdx-oldDebugMsgIdx); + b[debugMsgIdx-oldDebugMsgIdx-1] = 0; + } + msg = (const char*)&b; //-- PARAMETRIZED COMMANDS -- (Must be first) if (strncmp(msg, "rsc ", 4) == 0) { // Get parameter and send as a control action to flight task @@ -271,7 +293,7 @@ void DebugTask::HandleDebugMessage(const char* msg) } //We've read the data, clear the buffer - debugMsgIdx = 0; + oldDebugMsgIdx = debugMsgIdx; isDebugMsgReady = false; } @@ -281,6 +303,7 @@ void DebugTask::HandleDebugMessage(const char* msg) bool DebugTask::ReceiveData() { return kUart_->ReceiveIT(&debugRxChar, this); + } /** @@ -289,31 +312,16 @@ bool DebugTask::ReceiveData() */ void DebugTask::InterruptRxData(uint8_t errors) { - // If we already have an unprocessed debug message, ignore this byte - if (!isDebugMsgReady) { - // Check byte for end of message - note if using termite you must turn on append CR - if (debugRxChar == '\r' || debugMsgIdx == DEBUG_RX_BUFFER_SZ_BYTES) { - // Null terminate and process - debugBuffer[debugMsgIdx++] = '\0'; - isDebugMsgReady = true; - - // Notify the debug task - Command cm(DATA_COMMAND, EVENT_DEBUG_RX_COMPLETE); - bool res = qEvtQueue->SendFromISR(cm); - - // If we failed to send the event, we should reset the buffer, that way DebugTask doesn't stall - if (res == false) { - debugMsgIdx = 0; - isDebugMsgReady = false; - } - } - else { - debugBuffer[debugMsgIdx++] = debugRxChar; - } - } + if(!isDebugMsgReady) { + Command cm(DATA_COMMAND,EVENT_DEBUG_RX_COMPLETE); + //cm.CopyDataToCommand(debugBuffer, 64); + debugMsgIdx = errors; + isDebugMsgReady = true; + + qEvtQueue->SendFromISR(cm); + } + return; - //Re-arm the interrupt - ReceiveData(); } /* Helper Functions --------------------------------------------------------------*/ diff --git a/Components/SoarDebug/Inc/DebugTask.hpp b/Components/SoarDebug/Inc/DebugTask.hpp index af4e9e4d..32363c0b 100644 --- a/Components/SoarDebug/Inc/DebugTask.hpp +++ b/Components/SoarDebug/Inc/DebugTask.hpp @@ -34,6 +34,8 @@ class DebugTask : public Task, public UARTReceiverBase // Interrupt receive callback void InterruptRxData(uint8_t errors); + void ReceiveDMAData(uint8_t* buf); + protected: static void RunTask(void* pvParams) { DebugTask::Inst().Run(pvParams); } // Static Task Interface, passes control to the instance Run(); @@ -49,8 +51,10 @@ class DebugTask : public Task, public UARTReceiverBase static int32_t ExtractIntParameter(const char* msg, uint16_t identifierLen); // Member variables - uint8_t debugBuffer[DEBUG_RX_BUFFER_SZ_BYTES+1]; - uint8_t debugMsgIdx; + //uint8_t debugBuffer[DEBUG_RX_BUFFER_SZ_BYTES+1]; + uint8_t* debugBuffer; + int16_t debugMsgIdx; + int16_t oldDebugMsgIdx; bool isDebugMsgReady; uint8_t debugRxChar; // Character received from UART Interrupt diff --git a/Components/main_avionics.hpp b/Components/main_avionics.hpp index a7dc4e76..7b578258 100644 --- a/Components/main_avionics.hpp +++ b/Components/main_avionics.hpp @@ -35,7 +35,7 @@ namespace Global //extern UART_HandleTypeDef huart2; // UART2 - Logging (Radio) //extern UART_HandleTypeDef huart3; // UART3 - PBB extern UART_HandleTypeDef huart4; // UART4 - GPS -//extern UART_HandleTypeDef huart6; // UART5 - Debug +extern UART_HandleTypeDef huart5; // UART5 - Debug //ADC Handles extern ADC_HandleTypeDef hadc1; // ADC1 - Combustion Chamber ADC @@ -62,7 +62,8 @@ namespace SystemHandles { //constexpr UART_HandleTypeDef* UART_Protocol = &huart1; // Protocol Tx/Rx Radio Line constexpr UART_HandleTypeDef* UART_GPS = &huart4; //constexpr UART_HandleTypeDef* UART_PBB = &huart2; - //constexpr UART_HandleTypeDef* UART_Debug = &huart6; + constexpr UART_HandleTypeDef* UART_Debug = &huart5; + constexpr ADC_HandleTypeDef* ADC_CombustionChamber = &hadc1; constexpr ADC_HandleTypeDef* ADC_Battery = &hadc2; @@ -72,6 +73,7 @@ namespace SystemHandles { constexpr CRC_HandleTypeDef* CRC_Handle = &hcrc; + // DMA Aliases } diff --git a/Core/Inc/stm32f4xx_hal_conf.h b/Core/Inc/stm32f4xx_hal_conf.h index a9f86d9d..8c72dc44 100644 --- a/Core/Inc/stm32f4xx_hal_conf.h +++ b/Core/Inc/stm32f4xx_hal_conf.h @@ -46,6 +46,7 @@ /* #define HAL_DCMI_MODULE_ENABLED */ /* #define HAL_DMA2D_MODULE_ENABLED */ /* #define HAL_ETH_MODULE_ENABLED */ +/* #define HAL_ETH_LEGACY_MODULE_ENABLED */ /* #define HAL_NAND_MODULE_ENABLED */ /* #define HAL_NOR_MODULE_ENABLED */ /* #define HAL_PCCARD_MODULE_ENABLED */ @@ -221,7 +222,7 @@ /* Section 2: PHY configuration section */ /* DP83848_PHY_ADDRESS Address*/ -#define DP83848_PHY_ADDRESS 0x01U +#define DP83848_PHY_ADDRESS /* PHY Reset delay these values are based on a 1 ms Systick interrupt*/ #define PHY_RESET_DELAY 0x000000FFU /* PHY Configuration delay */ @@ -251,10 +252,10 @@ #define PHY_JABBER_DETECTION ((uint16_t)0x0002U) /*!< Jabber condition detected */ /* Section 4: Extended PHY Registers */ -#define PHY_SR ((uint16_t)0x10U) /*!< PHY status register Offset */ +#define PHY_SR ((uint16_t)) /*!< PHY status register Offset */ -#define PHY_SPEED_STATUS ((uint16_t)0x0002U) /*!< PHY Speed mask */ -#define PHY_DUPLEX_STATUS ((uint16_t)0x0004U) /*!< PHY Duplex mask */ +#define PHY_SPEED_STATUS ((uint16_t)) /*!< PHY Speed mask */ +#define PHY_DUPLEX_STATUS ((uint16_t)) /*!< PHY Duplex mask */ /* ################## SPI peripheral configuration ########################## */ @@ -326,6 +327,10 @@ #include "stm32f4xx_hal_eth.h" #endif /* HAL_ETH_MODULE_ENABLED */ +#ifdef HAL_ETH_LEGACY_MODULE_ENABLED + #include "stm32f4xx_hal_eth_legacy.h" +#endif /* HAL_ETH_LEGACY_MODULE_ENABLED */ + #ifdef HAL_FLASH_MODULE_ENABLED #include "stm32f4xx_hal_flash.h" #endif /* HAL_FLASH_MODULE_ENABLED */ diff --git a/Core/Inc/stm32f4xx_it.h b/Core/Inc/stm32f4xx_it.h index 99d82b07..03fe5028 100644 --- a/Core/Inc/stm32f4xx_it.h +++ b/Core/Inc/stm32f4xx_it.h @@ -52,11 +52,13 @@ void MemManage_Handler(void); void BusFault_Handler(void); void UsageFault_Handler(void); void DebugMon_Handler(void); +void DMA1_Stream0_IRQHandler(void); void DMA1_Stream2_IRQHandler(void); void TIM1_UP_TIM10_IRQHandler(void); void USART1_IRQHandler(void); void USART2_IRQHandler(void); void USART3_IRQHandler(void); +void DMA1_Stream7_IRQHandler(void); void UART4_IRQHandler(void); void UART5_IRQHandler(void); /* USER CODE BEGIN EFP */ diff --git a/Core/Src/main.c b/Core/Src/main.c index 02fbc01d..d0deaf30 100644 --- a/Core/Src/main.c +++ b/Core/Src/main.c @@ -101,6 +101,7 @@ int main(void) /* USER CODE BEGIN Init */ + /* USER CODE END Init */ /* Configure the system clock */ @@ -241,7 +242,7 @@ static void MX_ADC1_Init(void) /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) */ hadc1.Instance = ADC1; - hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV2; + hadc1.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; hadc1.Init.Resolution = ADC_RESOLUTION_12B; hadc1.Init.ScanConvMode = DISABLE; hadc1.Init.ContinuousConvMode = DISABLE; @@ -293,7 +294,7 @@ static void MX_ADC2_Init(void) /** Configure the global features of the ADC (Clock, Resolution, Data Alignment and number of conversion) */ hadc2.Instance = ADC2; - hadc2.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV2; + hadc2.Init.ClockPrescaler = ADC_CLOCK_SYNC_PCLK_DIV4; hadc2.Init.Resolution = ADC_RESOLUTION_12B; hadc2.Init.ScanConvMode = DISABLE; hadc2.Init.ContinuousConvMode = ENABLE; @@ -574,7 +575,6 @@ static void MX_UART5_Init(void) /* Peripheral clock enable */ LL_APB1_GRP1_EnableClock(LL_APB1_GRP1_PERIPH_UART5); - LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOC); LL_AHB1_GRP1_EnableClock(LL_AHB1_GRP1_PERIPH_GPIOD); /**UART5 GPIO Configuration @@ -597,12 +597,54 @@ static void MX_UART5_Init(void) GPIO_InitStruct.Alternate = LL_GPIO_AF_8; LL_GPIO_Init(GPIOD, &GPIO_InitStruct); + /* UART5 DMA Init */ + + /* UART5_RX Init */ + LL_DMA_SetChannelSelection(DMA1, LL_DMA_STREAM_0, LL_DMA_CHANNEL_4); + + LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_0, LL_DMA_DIRECTION_PERIPH_TO_MEMORY); + + LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_0, LL_DMA_PRIORITY_LOW); + + LL_DMA_SetMode(DMA1, LL_DMA_STREAM_0, LL_DMA_MODE_CIRCULAR); + + LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_0, LL_DMA_PERIPH_NOINCREMENT); + + LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_0, LL_DMA_MEMORY_INCREMENT); + + LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_0, LL_DMA_PDATAALIGN_BYTE); + + LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_0, LL_DMA_MDATAALIGN_BYTE); + + LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_0); + + /* UART5_TX Init */ + LL_DMA_SetChannelSelection(DMA1, LL_DMA_STREAM_7, LL_DMA_CHANNEL_4); + + LL_DMA_SetDataTransferDirection(DMA1, LL_DMA_STREAM_7, LL_DMA_DIRECTION_MEMORY_TO_PERIPH); + + LL_DMA_SetStreamPriorityLevel(DMA1, LL_DMA_STREAM_7, LL_DMA_PRIORITY_LOW); + + LL_DMA_SetMode(DMA1, LL_DMA_STREAM_7, LL_DMA_MODE_NORMAL); + + LL_DMA_SetPeriphIncMode(DMA1, LL_DMA_STREAM_7, LL_DMA_PERIPH_NOINCREMENT); + + LL_DMA_SetMemoryIncMode(DMA1, LL_DMA_STREAM_7, LL_DMA_MEMORY_INCREMENT); + + LL_DMA_SetPeriphSize(DMA1, LL_DMA_STREAM_7, LL_DMA_PDATAALIGN_BYTE); + + LL_DMA_SetMemorySize(DMA1, LL_DMA_STREAM_7, LL_DMA_MDATAALIGN_BYTE); + + LL_DMA_DisableFifoMode(DMA1, LL_DMA_STREAM_7); + /* UART5 interrupt Init */ NVIC_SetPriority(UART5_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0)); NVIC_EnableIRQ(UART5_IRQn); /* USER CODE BEGIN UART5_Init 1 */ + + /* USER CODE END UART5_Init 1 */ USART_InitStruct.BaudRate = 115200; USART_InitStruct.DataWidth = LL_USART_DATAWIDTH_8B; @@ -620,6 +662,7 @@ static void MX_UART5_Init(void) } + /** * @brief USART1 Initialization Function * @param None @@ -795,9 +838,15 @@ static void MX_DMA_Init(void) __HAL_RCC_DMA1_CLK_ENABLE(); /* DMA interrupt init */ + /* DMA1_Stream0_IRQn interrupt configuration */ + NVIC_SetPriority(DMA1_Stream0_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0)); + NVIC_EnableIRQ(DMA1_Stream0_IRQn); /* DMA1_Stream2_IRQn interrupt configuration */ HAL_NVIC_SetPriority(DMA1_Stream2_IRQn, 5, 0); HAL_NVIC_EnableIRQ(DMA1_Stream2_IRQn); + /* DMA1_Stream7_IRQn interrupt configuration */ + NVIC_SetPriority(DMA1_Stream7_IRQn, NVIC_EncodePriority(NVIC_GetPriorityGrouping(),5, 0)); + NVIC_EnableIRQ(DMA1_Stream7_IRQn); } @@ -809,6 +858,8 @@ static void MX_DMA_Init(void) static void MX_GPIO_Init(void) { GPIO_InitTypeDef GPIO_InitStruct = {0}; +/* USER CODE BEGIN MX_GPIO_Init_1 */ +/* USER CODE END MX_GPIO_Init_1 */ /* GPIO Ports Clock Enable */ __HAL_RCC_GPIOC_CLK_ENABLE(); @@ -888,6 +939,8 @@ static void MX_GPIO_Init(void) GPIO_InitStruct.Pull = GPIO_NOPULL; HAL_GPIO_Init(GPIOA, &GPIO_InitStruct); +/* USER CODE BEGIN MX_GPIO_Init_2 */ +/* USER CODE END MX_GPIO_Init_2 */ } /* USER CODE BEGIN 4 */ diff --git a/Core/Src/stm32f4xx_hal_msp.c b/Core/Src/stm32f4xx_hal_msp.c index a1ccb190..cf0963ee 100644 --- a/Core/Src/stm32f4xx_hal_msp.c +++ b/Core/Src/stm32f4xx_hal_msp.c @@ -20,6 +20,7 @@ /* Includes ------------------------------------------------------------------*/ #include "main.h" + /* USER CODE BEGIN Includes */ /* USER CODE END Includes */ diff --git a/Core/Src/stm32f4xx_hal_timebase_tim.c b/Core/Src/stm32f4xx_hal_timebase_tim.c index dcbaa4fe..a3bc55dc 100644 --- a/Core/Src/stm32f4xx_hal_timebase_tim.c +++ b/Core/Src/stm32f4xx_hal_timebase_tim.c @@ -54,7 +54,7 @@ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) HAL_RCC_GetClockConfig(&clkconfig, &pFLatency); /* Compute TIM1 clock */ - uwTimclock = 2*HAL_RCC_GetPCLK2Freq(); + uwTimclock = 2*HAL_RCC_GetPCLK2Freq(); /* Compute the prescaler value to have TIM1 counter clock equal to 1MHz */ uwPrescalerValue = (uint32_t) ((uwTimclock / 1000000U) - 1U); @@ -63,6 +63,7 @@ HAL_StatusTypeDef HAL_InitTick(uint32_t TickPriority) htim1.Instance = TIM1; /* Initialize TIMx peripheral as follow: + + Period = [(TIM1CLK/1000) - 1]. to have a (1/1000) s time base. + Prescaler = (uwTimclock/1000000 - 1) to have a 1MHz counter clock. + ClockDivision = 0 diff --git a/Core/Src/stm32f4xx_it.c b/Core/Src/stm32f4xx_it.c index b2c5abf1..6d998e0a 100644 --- a/Core/Src/stm32f4xx_it.c +++ b/Core/Src/stm32f4xx_it.c @@ -163,6 +163,20 @@ void DebugMon_Handler(void) /* please refer to the startup file (startup_stm32f4xx.s). */ /******************************************************************************/ +/** + * @brief This function handles DMA1 stream0 global interrupt. + */ +void DMA1_Stream0_IRQHandler(void) +{ + /* USER CODE BEGIN DMA1_Stream0_IRQn 0 */ + cpp_DMA1_Stream0_IRQHandler(); + /* USER CODE END DMA1_Stream0_IRQn 0 */ + + /* USER CODE BEGIN DMA1_Stream0_IRQn 1 */ + + /* USER CODE END DMA1_Stream0_IRQn 1 */ +} + /** * @brief This function handles DMA1 stream2 global interrupt. */ @@ -230,6 +244,20 @@ void USART3_IRQHandler(void) /* USER CODE END USART3_IRQn 1 */ } +/** + * @brief This function handles DMA1 stream7 global interrupt. + */ +void DMA1_Stream7_IRQHandler(void) +{ + /* USER CODE BEGIN DMA1_Stream7_IRQn 0 */ + cpp_DMA1_Stream7_IRQHandler(); + /* USER CODE END DMA1_Stream7_IRQn 0 */ + + /* USER CODE BEGIN DMA1_Stream7_IRQn 1 */ + + /* USER CODE END DMA1_Stream7_IRQn 1 */ +} + /** * @brief This function handles UART4 global interrupt. */ diff --git a/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_spi.h b/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_spi.h new file mode 100644 index 00000000..4f3b0306 --- /dev/null +++ b/Drivers/STM32F4xx_HAL_Driver/Inc/stm32f4xx_ll_spi.h @@ -0,0 +1,2027 @@ +/** + ****************************************************************************** + * @file stm32f4xx_ll_spi.h + * @author MCD Application Team + * @brief Header file of SPI LL module. + ****************************************************************************** + * @attention + * + * Copyright (c) 2016 STMicroelectronics. + * All rights reserved. + * + * This software is licensed under terms that can be found in the LICENSE file + * in the root directory of this software component. + * If no LICENSE file comes with this software, it is provided AS-IS. + * + ****************************************************************************** + */ + +/* Define to prevent recursive inclusion -------------------------------------*/ +#ifndef STM32F4xx_LL_SPI_H +#define STM32F4xx_LL_SPI_H + +#ifdef __cplusplus +extern "C" { +#endif + +/* Includes ------------------------------------------------------------------*/ +#include "stm32f4xx.h" + +/** @addtogroup STM32F4xx_LL_Driver + * @{ + */ + +#if defined (SPI1) || defined (SPI2) || defined (SPI3) || defined (SPI4) || defined (SPI5) || defined(SPI6) + +/** @defgroup SPI_LL SPI + * @{ + */ + +/* Private types -------------------------------------------------------------*/ +/* Private variables ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ + +/* Exported types ------------------------------------------------------------*/ +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup SPI_LL_ES_INIT SPI Exported Init structure + * @{ + */ + +/** + * @brief SPI Init structures definition + */ +typedef struct +{ + uint32_t TransferDirection; /*!< Specifies the SPI unidirectional or bidirectional data mode. + This parameter can be a value of @ref SPI_LL_EC_TRANSFER_MODE. + + This feature can be modified afterwards using unitary function @ref LL_SPI_SetTransferDirection().*/ + + uint32_t Mode; /*!< Specifies the SPI mode (Master/Slave). + This parameter can be a value of @ref SPI_LL_EC_MODE. + + This feature can be modified afterwards using unitary function @ref LL_SPI_SetMode().*/ + + uint32_t DataWidth; /*!< Specifies the SPI data width. + This parameter can be a value of @ref SPI_LL_EC_DATAWIDTH. + + This feature can be modified afterwards using unitary function @ref LL_SPI_SetDataWidth().*/ + + uint32_t ClockPolarity; /*!< Specifies the serial clock steady state. + This parameter can be a value of @ref SPI_LL_EC_POLARITY. + + This feature can be modified afterwards using unitary function @ref LL_SPI_SetClockPolarity().*/ + + uint32_t ClockPhase; /*!< Specifies the clock active edge for the bit capture. + This parameter can be a value of @ref SPI_LL_EC_PHASE. + + This feature can be modified afterwards using unitary function @ref LL_SPI_SetClockPhase().*/ + + uint32_t NSS; /*!< Specifies whether the NSS signal is managed by hardware (NSS pin) or by software using the SSI bit. + This parameter can be a value of @ref SPI_LL_EC_NSS_MODE. + + This feature can be modified afterwards using unitary function @ref LL_SPI_SetNSSMode().*/ + + uint32_t BaudRate; /*!< Specifies the BaudRate prescaler value which will be used to configure the transmit and receive SCK clock. + This parameter can be a value of @ref SPI_LL_EC_BAUDRATEPRESCALER. + @note The communication clock is derived from the master clock. The slave clock does not need to be set. + + This feature can be modified afterwards using unitary function @ref LL_SPI_SetBaudRatePrescaler().*/ + + uint32_t BitOrder; /*!< Specifies whether data transfers start from MSB or LSB bit. + This parameter can be a value of @ref SPI_LL_EC_BIT_ORDER. + + This feature can be modified afterwards using unitary function @ref LL_SPI_SetTransferBitOrder().*/ + + uint32_t CRCCalculation; /*!< Specifies if the CRC calculation is enabled or not. + This parameter can be a value of @ref SPI_LL_EC_CRC_CALCULATION. + + This feature can be modified afterwards using unitary functions @ref LL_SPI_EnableCRC() and @ref LL_SPI_DisableCRC().*/ + + uint32_t CRCPoly; /*!< Specifies the polynomial used for the CRC calculation. + This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFFFF. + + This feature can be modified afterwards using unitary function @ref LL_SPI_SetCRCPolynomial().*/ + +} LL_SPI_InitTypeDef; + +/** + * @} + */ +#endif /* USE_FULL_LL_DRIVER */ + +/* Exported constants --------------------------------------------------------*/ +/** @defgroup SPI_LL_Exported_Constants SPI Exported Constants + * @{ + */ + +/** @defgroup SPI_LL_EC_GET_FLAG Get Flags Defines + * @brief Flags defines which can be used with LL_SPI_ReadReg function + * @{ + */ +#define LL_SPI_SR_RXNE SPI_SR_RXNE /*!< Rx buffer not empty flag */ +#define LL_SPI_SR_TXE SPI_SR_TXE /*!< Tx buffer empty flag */ +#define LL_SPI_SR_BSY SPI_SR_BSY /*!< Busy flag */ +#define LL_SPI_SR_CRCERR SPI_SR_CRCERR /*!< CRC error flag */ +#define LL_SPI_SR_MODF SPI_SR_MODF /*!< Mode fault flag */ +#define LL_SPI_SR_OVR SPI_SR_OVR /*!< Overrun flag */ +#define LL_SPI_SR_FRE SPI_SR_FRE /*!< TI mode frame format error flag */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_IT IT Defines + * @brief IT defines which can be used with LL_SPI_ReadReg and LL_SPI_WriteReg functions + * @{ + */ +#define LL_SPI_CR2_RXNEIE SPI_CR2_RXNEIE /*!< Rx buffer not empty interrupt enable */ +#define LL_SPI_CR2_TXEIE SPI_CR2_TXEIE /*!< Tx buffer empty interrupt enable */ +#define LL_SPI_CR2_ERRIE SPI_CR2_ERRIE /*!< Error interrupt enable */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_MODE Operation Mode + * @{ + */ +#define LL_SPI_MODE_MASTER (SPI_CR1_MSTR | SPI_CR1_SSI) /*!< Master configuration */ +#define LL_SPI_MODE_SLAVE 0x00000000U /*!< Slave configuration */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_PROTOCOL Serial Protocol + * @{ + */ +#define LL_SPI_PROTOCOL_MOTOROLA 0x00000000U /*!< Motorola mode. Used as default value */ +#define LL_SPI_PROTOCOL_TI (SPI_CR2_FRF) /*!< TI mode */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_PHASE Clock Phase + * @{ + */ +#define LL_SPI_PHASE_1EDGE 0x00000000U /*!< First clock transition is the first data capture edge */ +#define LL_SPI_PHASE_2EDGE (SPI_CR1_CPHA) /*!< Second clock transition is the first data capture edge */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_POLARITY Clock Polarity + * @{ + */ +#define LL_SPI_POLARITY_LOW 0x00000000U /*!< Clock to 0 when idle */ +#define LL_SPI_POLARITY_HIGH (SPI_CR1_CPOL) /*!< Clock to 1 when idle */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_BAUDRATEPRESCALER Baud Rate Prescaler + * @{ + */ +#define LL_SPI_BAUDRATEPRESCALER_DIV2 0x00000000U /*!< BaudRate control equal to fPCLK/2 */ +#define LL_SPI_BAUDRATEPRESCALER_DIV4 (SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/4 */ +#define LL_SPI_BAUDRATEPRESCALER_DIV8 (SPI_CR1_BR_1) /*!< BaudRate control equal to fPCLK/8 */ +#define LL_SPI_BAUDRATEPRESCALER_DIV16 (SPI_CR1_BR_1 | SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/16 */ +#define LL_SPI_BAUDRATEPRESCALER_DIV32 (SPI_CR1_BR_2) /*!< BaudRate control equal to fPCLK/32 */ +#define LL_SPI_BAUDRATEPRESCALER_DIV64 (SPI_CR1_BR_2 | SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/64 */ +#define LL_SPI_BAUDRATEPRESCALER_DIV128 (SPI_CR1_BR_2 | SPI_CR1_BR_1) /*!< BaudRate control equal to fPCLK/128 */ +#define LL_SPI_BAUDRATEPRESCALER_DIV256 (SPI_CR1_BR_2 | SPI_CR1_BR_1 | SPI_CR1_BR_0) /*!< BaudRate control equal to fPCLK/256 */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_BIT_ORDER Transmission Bit Order + * @{ + */ +#define LL_SPI_LSB_FIRST (SPI_CR1_LSBFIRST) /*!< Data is transmitted/received with the LSB first */ +#define LL_SPI_MSB_FIRST 0x00000000U /*!< Data is transmitted/received with the MSB first */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_TRANSFER_MODE Transfer Mode + * @{ + */ +#define LL_SPI_FULL_DUPLEX 0x00000000U /*!< Full-Duplex mode. Rx and Tx transfer on 2 lines */ +#define LL_SPI_SIMPLEX_RX (SPI_CR1_RXONLY) /*!< Simplex Rx mode. Rx transfer only on 1 line */ +#define LL_SPI_HALF_DUPLEX_RX (SPI_CR1_BIDIMODE) /*!< Half-Duplex Rx mode. Rx transfer on 1 line */ +#define LL_SPI_HALF_DUPLEX_TX (SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE) /*!< Half-Duplex Tx mode. Tx transfer on 1 line */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_NSS_MODE Slave Select Pin Mode + * @{ + */ +#define LL_SPI_NSS_SOFT (SPI_CR1_SSM) /*!< NSS managed internally. NSS pin not used and free */ +#define LL_SPI_NSS_HARD_INPUT 0x00000000U /*!< NSS pin used in Input. Only used in Master mode */ +#define LL_SPI_NSS_HARD_OUTPUT (((uint32_t)SPI_CR2_SSOE << 16U)) /*!< NSS pin used in Output. Only used in Slave mode as chip select */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_DATAWIDTH Datawidth + * @{ + */ +#define LL_SPI_DATAWIDTH_8BIT 0x00000000U /*!< Data length for SPI transfer: 8 bits */ +#define LL_SPI_DATAWIDTH_16BIT (SPI_CR1_DFF) /*!< Data length for SPI transfer: 16 bits */ +/** + * @} + */ +#if defined(USE_FULL_LL_DRIVER) + +/** @defgroup SPI_LL_EC_CRC_CALCULATION CRC Calculation + * @{ + */ +#define LL_SPI_CRCCALCULATION_DISABLE 0x00000000U /*!< CRC calculation disabled */ +#define LL_SPI_CRCCALCULATION_ENABLE (SPI_CR1_CRCEN) /*!< CRC calculation enabled */ +/** + * @} + */ +#endif /* USE_FULL_LL_DRIVER */ + +/** + * @} + */ + +/* Exported macro ------------------------------------------------------------*/ +/** @defgroup SPI_LL_Exported_Macros SPI Exported Macros + * @{ + */ + +/** @defgroup SPI_LL_EM_WRITE_READ Common Write and read registers Macros + * @{ + */ + +/** + * @brief Write a value in SPI register + * @param __INSTANCE__ SPI Instance + * @param __REG__ Register to be written + * @param __VALUE__ Value to be written in the register + * @retval None + */ +#define LL_SPI_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) + +/** + * @brief Read a value in SPI register + * @param __INSTANCE__ SPI Instance + * @param __REG__ Register to be read + * @retval Register value + */ +#define LL_SPI_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) +/** + * @} + */ + +/** + * @} + */ + +/* Exported functions --------------------------------------------------------*/ +/** @defgroup SPI_LL_Exported_Functions SPI Exported Functions + * @{ + */ + +/** @defgroup SPI_LL_EF_Configuration Configuration + * @{ + */ + +/** + * @brief Enable SPI peripheral + * @rmtoll CR1 SPE LL_SPI_Enable + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_Enable(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->CR1, SPI_CR1_SPE); +} + +/** + * @brief Disable SPI peripheral + * @note When disabling the SPI, follow the procedure described in the Reference Manual. + * @rmtoll CR1 SPE LL_SPI_Disable + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_Disable(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->CR1, SPI_CR1_SPE); +} + +/** + * @brief Check if SPI peripheral is enabled + * @rmtoll CR1 SPE LL_SPI_IsEnabled + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsEnabled(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->CR1, SPI_CR1_SPE) == (SPI_CR1_SPE)) ? 1UL : 0UL); +} + +/** + * @brief Set SPI operation mode to Master or Slave + * @note This bit should not be changed when communication is ongoing. + * @rmtoll CR1 MSTR LL_SPI_SetMode\n + * CR1 SSI LL_SPI_SetMode + * @param SPIx SPI Instance + * @param Mode This parameter can be one of the following values: + * @arg @ref LL_SPI_MODE_MASTER + * @arg @ref LL_SPI_MODE_SLAVE + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetMode(SPI_TypeDef *SPIx, uint32_t Mode) +{ + MODIFY_REG(SPIx->CR1, SPI_CR1_MSTR | SPI_CR1_SSI, Mode); +} + +/** + * @brief Get SPI operation mode (Master or Slave) + * @rmtoll CR1 MSTR LL_SPI_GetMode\n + * CR1 SSI LL_SPI_GetMode + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_SPI_MODE_MASTER + * @arg @ref LL_SPI_MODE_SLAVE + */ +__STATIC_INLINE uint32_t LL_SPI_GetMode(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_MSTR | SPI_CR1_SSI)); +} + +/** + * @brief Set serial protocol used + * @note This bit should be written only when SPI is disabled (SPE = 0) for correct operation. + * @rmtoll CR2 FRF LL_SPI_SetStandard + * @param SPIx SPI Instance + * @param Standard This parameter can be one of the following values: + * @arg @ref LL_SPI_PROTOCOL_MOTOROLA + * @arg @ref LL_SPI_PROTOCOL_TI + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetStandard(SPI_TypeDef *SPIx, uint32_t Standard) +{ + MODIFY_REG(SPIx->CR2, SPI_CR2_FRF, Standard); +} + +/** + * @brief Get serial protocol used + * @rmtoll CR2 FRF LL_SPI_GetStandard + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_SPI_PROTOCOL_MOTOROLA + * @arg @ref LL_SPI_PROTOCOL_TI + */ +__STATIC_INLINE uint32_t LL_SPI_GetStandard(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->CR2, SPI_CR2_FRF)); +} + +/** + * @brief Set clock phase + * @note This bit should not be changed when communication is ongoing. + * This bit is not used in SPI TI mode. + * @rmtoll CR1 CPHA LL_SPI_SetClockPhase + * @param SPIx SPI Instance + * @param ClockPhase This parameter can be one of the following values: + * @arg @ref LL_SPI_PHASE_1EDGE + * @arg @ref LL_SPI_PHASE_2EDGE + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetClockPhase(SPI_TypeDef *SPIx, uint32_t ClockPhase) +{ + MODIFY_REG(SPIx->CR1, SPI_CR1_CPHA, ClockPhase); +} + +/** + * @brief Get clock phase + * @rmtoll CR1 CPHA LL_SPI_GetClockPhase + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_SPI_PHASE_1EDGE + * @arg @ref LL_SPI_PHASE_2EDGE + */ +__STATIC_INLINE uint32_t LL_SPI_GetClockPhase(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_CPHA)); +} + +/** + * @brief Set clock polarity + * @note This bit should not be changed when communication is ongoing. + * This bit is not used in SPI TI mode. + * @rmtoll CR1 CPOL LL_SPI_SetClockPolarity + * @param SPIx SPI Instance + * @param ClockPolarity This parameter can be one of the following values: + * @arg @ref LL_SPI_POLARITY_LOW + * @arg @ref LL_SPI_POLARITY_HIGH + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetClockPolarity(SPI_TypeDef *SPIx, uint32_t ClockPolarity) +{ + MODIFY_REG(SPIx->CR1, SPI_CR1_CPOL, ClockPolarity); +} + +/** + * @brief Get clock polarity + * @rmtoll CR1 CPOL LL_SPI_GetClockPolarity + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_SPI_POLARITY_LOW + * @arg @ref LL_SPI_POLARITY_HIGH + */ +__STATIC_INLINE uint32_t LL_SPI_GetClockPolarity(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_CPOL)); +} + +/** + * @brief Set baud rate prescaler + * @note These bits should not be changed when communication is ongoing. SPI BaudRate = fPCLK/Prescaler. + * @rmtoll CR1 BR LL_SPI_SetBaudRatePrescaler + * @param SPIx SPI Instance + * @param BaudRate This parameter can be one of the following values: + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV2 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV4 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV8 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV16 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV32 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV64 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV128 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV256 + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetBaudRatePrescaler(SPI_TypeDef *SPIx, uint32_t BaudRate) +{ + MODIFY_REG(SPIx->CR1, SPI_CR1_BR, BaudRate); +} + +/** + * @brief Get baud rate prescaler + * @rmtoll CR1 BR LL_SPI_GetBaudRatePrescaler + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV2 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV4 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV8 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV16 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV32 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV64 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV128 + * @arg @ref LL_SPI_BAUDRATEPRESCALER_DIV256 + */ +__STATIC_INLINE uint32_t LL_SPI_GetBaudRatePrescaler(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_BR)); +} + +/** + * @brief Set transfer bit order + * @note This bit should not be changed when communication is ongoing. This bit is not used in SPI TI mode. + * @rmtoll CR1 LSBFIRST LL_SPI_SetTransferBitOrder + * @param SPIx SPI Instance + * @param BitOrder This parameter can be one of the following values: + * @arg @ref LL_SPI_LSB_FIRST + * @arg @ref LL_SPI_MSB_FIRST + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetTransferBitOrder(SPI_TypeDef *SPIx, uint32_t BitOrder) +{ + MODIFY_REG(SPIx->CR1, SPI_CR1_LSBFIRST, BitOrder); +} + +/** + * @brief Get transfer bit order + * @rmtoll CR1 LSBFIRST LL_SPI_GetTransferBitOrder + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_SPI_LSB_FIRST + * @arg @ref LL_SPI_MSB_FIRST + */ +__STATIC_INLINE uint32_t LL_SPI_GetTransferBitOrder(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_LSBFIRST)); +} + +/** + * @brief Set transfer direction mode + * @note For Half-Duplex mode, Rx Direction is set by default. + * In master mode, the MOSI pin is used and in slave mode, the MISO pin is used for Half-Duplex. + * @rmtoll CR1 RXONLY LL_SPI_SetTransferDirection\n + * CR1 BIDIMODE LL_SPI_SetTransferDirection\n + * CR1 BIDIOE LL_SPI_SetTransferDirection + * @param SPIx SPI Instance + * @param TransferDirection This parameter can be one of the following values: + * @arg @ref LL_SPI_FULL_DUPLEX + * @arg @ref LL_SPI_SIMPLEX_RX + * @arg @ref LL_SPI_HALF_DUPLEX_RX + * @arg @ref LL_SPI_HALF_DUPLEX_TX + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetTransferDirection(SPI_TypeDef *SPIx, uint32_t TransferDirection) +{ + MODIFY_REG(SPIx->CR1, SPI_CR1_RXONLY | SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE, TransferDirection); +} + +/** + * @brief Get transfer direction mode + * @rmtoll CR1 RXONLY LL_SPI_GetTransferDirection\n + * CR1 BIDIMODE LL_SPI_GetTransferDirection\n + * CR1 BIDIOE LL_SPI_GetTransferDirection + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_SPI_FULL_DUPLEX + * @arg @ref LL_SPI_SIMPLEX_RX + * @arg @ref LL_SPI_HALF_DUPLEX_RX + * @arg @ref LL_SPI_HALF_DUPLEX_TX + */ +__STATIC_INLINE uint32_t LL_SPI_GetTransferDirection(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_RXONLY | SPI_CR1_BIDIMODE | SPI_CR1_BIDIOE)); +} + +/** + * @brief Set frame data width + * @rmtoll CR1 DFF LL_SPI_SetDataWidth + * @param SPIx SPI Instance + * @param DataWidth This parameter can be one of the following values: + * @arg @ref LL_SPI_DATAWIDTH_8BIT + * @arg @ref LL_SPI_DATAWIDTH_16BIT + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetDataWidth(SPI_TypeDef *SPIx, uint32_t DataWidth) +{ + MODIFY_REG(SPIx->CR1, SPI_CR1_DFF, DataWidth); +} + +/** + * @brief Get frame data width + * @rmtoll CR1 DFF LL_SPI_GetDataWidth + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_SPI_DATAWIDTH_8BIT + * @arg @ref LL_SPI_DATAWIDTH_16BIT + */ +__STATIC_INLINE uint32_t LL_SPI_GetDataWidth(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->CR1, SPI_CR1_DFF)); +} + +/** + * @} + */ + +/** @defgroup SPI_LL_EF_CRC_Management CRC Management + * @{ + */ + +/** + * @brief Enable CRC + * @note This bit should be written only when SPI is disabled (SPE = 0) for correct operation. + * @rmtoll CR1 CRCEN LL_SPI_EnableCRC + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_EnableCRC(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->CR1, SPI_CR1_CRCEN); +} + +/** + * @brief Disable CRC + * @note This bit should be written only when SPI is disabled (SPE = 0) for correct operation. + * @rmtoll CR1 CRCEN LL_SPI_DisableCRC + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_DisableCRC(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->CR1, SPI_CR1_CRCEN); +} + +/** + * @brief Check if CRC is enabled + * @note This bit should be written only when SPI is disabled (SPE = 0) for correct operation. + * @rmtoll CR1 CRCEN LL_SPI_IsEnabledCRC + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsEnabledCRC(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->CR1, SPI_CR1_CRCEN) == (SPI_CR1_CRCEN)) ? 1UL : 0UL); +} + +/** + * @brief Set CRCNext to transfer CRC on the line + * @note This bit has to be written as soon as the last data is written in the SPIx_DR register. + * @rmtoll CR1 CRCNEXT LL_SPI_SetCRCNext + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetCRCNext(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->CR1, SPI_CR1_CRCNEXT); +} + +/** + * @brief Set polynomial for CRC calculation + * @rmtoll CRCPR CRCPOLY LL_SPI_SetCRCPolynomial + * @param SPIx SPI Instance + * @param CRCPoly This parameter must be a number between Min_Data = 0x00 and Max_Data = 0xFFFF + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetCRCPolynomial(SPI_TypeDef *SPIx, uint32_t CRCPoly) +{ + WRITE_REG(SPIx->CRCPR, (uint16_t)CRCPoly); +} + +/** + * @brief Get polynomial for CRC calculation + * @rmtoll CRCPR CRCPOLY LL_SPI_GetCRCPolynomial + * @param SPIx SPI Instance + * @retval Returned value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF + */ +__STATIC_INLINE uint32_t LL_SPI_GetCRCPolynomial(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_REG(SPIx->CRCPR)); +} + +/** + * @brief Get Rx CRC + * @rmtoll RXCRCR RXCRC LL_SPI_GetRxCRC + * @param SPIx SPI Instance + * @retval Returned value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF + */ +__STATIC_INLINE uint32_t LL_SPI_GetRxCRC(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_REG(SPIx->RXCRCR)); +} + +/** + * @brief Get Tx CRC + * @rmtoll TXCRCR TXCRC LL_SPI_GetTxCRC + * @param SPIx SPI Instance + * @retval Returned value is a number between Min_Data = 0x00 and Max_Data = 0xFFFF + */ +__STATIC_INLINE uint32_t LL_SPI_GetTxCRC(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_REG(SPIx->TXCRCR)); +} + +/** + * @} + */ + +/** @defgroup SPI_LL_EF_NSS_Management Slave Select Pin Management + * @{ + */ + +/** + * @brief Set NSS mode + * @note LL_SPI_NSS_SOFT Mode is not used in SPI TI mode. + * @rmtoll CR1 SSM LL_SPI_SetNSSMode\n + * @rmtoll CR2 SSOE LL_SPI_SetNSSMode + * @param SPIx SPI Instance + * @param NSS This parameter can be one of the following values: + * @arg @ref LL_SPI_NSS_SOFT + * @arg @ref LL_SPI_NSS_HARD_INPUT + * @arg @ref LL_SPI_NSS_HARD_OUTPUT + * @retval None + */ +__STATIC_INLINE void LL_SPI_SetNSSMode(SPI_TypeDef *SPIx, uint32_t NSS) +{ + MODIFY_REG(SPIx->CR1, SPI_CR1_SSM, NSS); + MODIFY_REG(SPIx->CR2, SPI_CR2_SSOE, ((uint32_t)(NSS >> 16U))); +} + +/** + * @brief Get NSS mode + * @rmtoll CR1 SSM LL_SPI_GetNSSMode\n + * @rmtoll CR2 SSOE LL_SPI_GetNSSMode + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_SPI_NSS_SOFT + * @arg @ref LL_SPI_NSS_HARD_INPUT + * @arg @ref LL_SPI_NSS_HARD_OUTPUT + */ +__STATIC_INLINE uint32_t LL_SPI_GetNSSMode(SPI_TypeDef *SPIx) +{ + uint32_t Ssm = (READ_BIT(SPIx->CR1, SPI_CR1_SSM)); + uint32_t Ssoe = (READ_BIT(SPIx->CR2, SPI_CR2_SSOE) << 16U); + return (Ssm | Ssoe); +} + +/** + * @} + */ + +/** @defgroup SPI_LL_EF_FLAG_Management FLAG Management + * @{ + */ + +/** + * @brief Check if Rx buffer is not empty + * @rmtoll SR RXNE LL_SPI_IsActiveFlag_RXNE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_RXNE(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->SR, SPI_SR_RXNE) == (SPI_SR_RXNE)) ? 1UL : 0UL); +} + +/** + * @brief Check if Tx buffer is empty + * @rmtoll SR TXE LL_SPI_IsActiveFlag_TXE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_TXE(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->SR, SPI_SR_TXE) == (SPI_SR_TXE)) ? 1UL : 0UL); +} + +/** + * @brief Get CRC error flag + * @rmtoll SR CRCERR LL_SPI_IsActiveFlag_CRCERR + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_CRCERR(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->SR, SPI_SR_CRCERR) == (SPI_SR_CRCERR)) ? 1UL : 0UL); +} + +/** + * @brief Get mode fault error flag + * @rmtoll SR MODF LL_SPI_IsActiveFlag_MODF + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_MODF(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->SR, SPI_SR_MODF) == (SPI_SR_MODF)) ? 1UL : 0UL); +} + +/** + * @brief Get overrun error flag + * @rmtoll SR OVR LL_SPI_IsActiveFlag_OVR + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_OVR(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->SR, SPI_SR_OVR) == (SPI_SR_OVR)) ? 1UL : 0UL); +} + +/** + * @brief Get busy flag + * @note The BSY flag is cleared under any one of the following conditions: + * -When the SPI is correctly disabled + * -When a fault is detected in Master mode (MODF bit set to 1) + * -In Master mode, when it finishes a data transmission and no new data is ready to be + * sent + * -In Slave mode, when the BSY flag is set to '0' for at least one SPI clock cycle between + * each data transfer. + * @rmtoll SR BSY LL_SPI_IsActiveFlag_BSY + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_BSY(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->SR, SPI_SR_BSY) == (SPI_SR_BSY)) ? 1UL : 0UL); +} + +/** + * @brief Get frame format error flag + * @rmtoll SR FRE LL_SPI_IsActiveFlag_FRE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsActiveFlag_FRE(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->SR, SPI_SR_FRE) == (SPI_SR_FRE)) ? 1UL : 0UL); +} + +/** + * @brief Clear CRC error flag + * @rmtoll SR CRCERR LL_SPI_ClearFlag_CRCERR + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_ClearFlag_CRCERR(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->SR, SPI_SR_CRCERR); +} + +/** + * @brief Clear mode fault error flag + * @note Clearing this flag is done by a read access to the SPIx_SR + * register followed by a write access to the SPIx_CR1 register + * @rmtoll SR MODF LL_SPI_ClearFlag_MODF + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_ClearFlag_MODF(SPI_TypeDef *SPIx) +{ + __IO uint32_t tmpreg_sr; + tmpreg_sr = SPIx->SR; + (void) tmpreg_sr; + CLEAR_BIT(SPIx->CR1, SPI_CR1_SPE); +} + +/** + * @brief Clear overrun error flag + * @note Clearing this flag is done by a read access to the SPIx_DR + * register followed by a read access to the SPIx_SR register + * @rmtoll SR OVR LL_SPI_ClearFlag_OVR + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_ClearFlag_OVR(SPI_TypeDef *SPIx) +{ + __IO uint32_t tmpreg; + tmpreg = SPIx->DR; + (void) tmpreg; + tmpreg = SPIx->SR; + (void) tmpreg; +} + +/** + * @brief Clear frame format error flag + * @note Clearing this flag is done by reading SPIx_SR register + * @rmtoll SR FRE LL_SPI_ClearFlag_FRE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_ClearFlag_FRE(SPI_TypeDef *SPIx) +{ + __IO uint32_t tmpreg; + tmpreg = SPIx->SR; + (void) tmpreg; +} + +/** + * @} + */ + +/** @defgroup SPI_LL_EF_IT_Management Interrupt Management + * @{ + */ + +/** + * @brief Enable error interrupt + * @note This bit controls the generation of an interrupt when an error condition occurs (CRCERR, OVR, MODF in SPI mode, FRE at TI mode). + * @rmtoll CR2 ERRIE LL_SPI_EnableIT_ERR + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_EnableIT_ERR(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->CR2, SPI_CR2_ERRIE); +} + +/** + * @brief Enable Rx buffer not empty interrupt + * @rmtoll CR2 RXNEIE LL_SPI_EnableIT_RXNE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_EnableIT_RXNE(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->CR2, SPI_CR2_RXNEIE); +} + +/** + * @brief Enable Tx buffer empty interrupt + * @rmtoll CR2 TXEIE LL_SPI_EnableIT_TXE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_EnableIT_TXE(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->CR2, SPI_CR2_TXEIE); +} + +/** + * @brief Disable error interrupt + * @note This bit controls the generation of an interrupt when an error condition occurs (CRCERR, OVR, MODF in SPI mode, FRE at TI mode). + * @rmtoll CR2 ERRIE LL_SPI_DisableIT_ERR + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_DisableIT_ERR(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->CR2, SPI_CR2_ERRIE); +} + +/** + * @brief Disable Rx buffer not empty interrupt + * @rmtoll CR2 RXNEIE LL_SPI_DisableIT_RXNE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_DisableIT_RXNE(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->CR2, SPI_CR2_RXNEIE); +} + +/** + * @brief Disable Tx buffer empty interrupt + * @rmtoll CR2 TXEIE LL_SPI_DisableIT_TXE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_DisableIT_TXE(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->CR2, SPI_CR2_TXEIE); +} + +/** + * @brief Check if error interrupt is enabled + * @rmtoll CR2 ERRIE LL_SPI_IsEnabledIT_ERR + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsEnabledIT_ERR(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->CR2, SPI_CR2_ERRIE) == (SPI_CR2_ERRIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if Rx buffer not empty interrupt is enabled + * @rmtoll CR2 RXNEIE LL_SPI_IsEnabledIT_RXNE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsEnabledIT_RXNE(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->CR2, SPI_CR2_RXNEIE) == (SPI_CR2_RXNEIE)) ? 1UL : 0UL); +} + +/** + * @brief Check if Tx buffer empty interrupt + * @rmtoll CR2 TXEIE LL_SPI_IsEnabledIT_TXE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsEnabledIT_TXE(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->CR2, SPI_CR2_TXEIE) == (SPI_CR2_TXEIE)) ? 1UL : 0UL); +} + +/** + * @} + */ + +/** @defgroup SPI_LL_EF_DMA_Management DMA Management + * @{ + */ + +/** + * @brief Enable DMA Rx + * @rmtoll CR2 RXDMAEN LL_SPI_EnableDMAReq_RX + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_EnableDMAReq_RX(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->CR2, SPI_CR2_RXDMAEN); +} + +/** + * @brief Disable DMA Rx + * @rmtoll CR2 RXDMAEN LL_SPI_DisableDMAReq_RX + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_DisableDMAReq_RX(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->CR2, SPI_CR2_RXDMAEN); +} + +/** + * @brief Check if DMA Rx is enabled + * @rmtoll CR2 RXDMAEN LL_SPI_IsEnabledDMAReq_RX + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_RX(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->CR2, SPI_CR2_RXDMAEN) == (SPI_CR2_RXDMAEN)) ? 1UL : 0UL); +} + +/** + * @brief Enable DMA Tx + * @rmtoll CR2 TXDMAEN LL_SPI_EnableDMAReq_TX + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_EnableDMAReq_TX(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->CR2, SPI_CR2_TXDMAEN); +} + +/** + * @brief Disable DMA Tx + * @rmtoll CR2 TXDMAEN LL_SPI_DisableDMAReq_TX + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_SPI_DisableDMAReq_TX(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->CR2, SPI_CR2_TXDMAEN); +} + +/** + * @brief Check if DMA Tx is enabled + * @rmtoll CR2 TXDMAEN LL_SPI_IsEnabledDMAReq_TX + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_SPI_IsEnabledDMAReq_TX(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->CR2, SPI_CR2_TXDMAEN) == (SPI_CR2_TXDMAEN)) ? 1UL : 0UL); +} + +/** + * @brief Get the data register address used for DMA transfer + * @rmtoll DR DR LL_SPI_DMA_GetRegAddr + * @param SPIx SPI Instance + * @retval Address of data register + */ +__STATIC_INLINE uint32_t LL_SPI_DMA_GetRegAddr(SPI_TypeDef *SPIx) +{ + return (uint32_t) &(SPIx->DR); +} + +/** + * @} + */ + +/** @defgroup SPI_LL_EF_DATA_Management DATA Management + * @{ + */ + +/** + * @brief Read 8-Bits in the data register + * @rmtoll DR DR LL_SPI_ReceiveData8 + * @param SPIx SPI Instance + * @retval RxData Value between Min_Data=0x00 and Max_Data=0xFF + */ +__STATIC_INLINE uint8_t LL_SPI_ReceiveData8(SPI_TypeDef *SPIx) +{ + return (*((__IO uint8_t *)&SPIx->DR)); +} + +/** + * @brief Read 16-Bits in the data register + * @rmtoll DR DR LL_SPI_ReceiveData16 + * @param SPIx SPI Instance + * @retval RxData Value between Min_Data=0x00 and Max_Data=0xFFFF + */ +__STATIC_INLINE uint16_t LL_SPI_ReceiveData16(SPI_TypeDef *SPIx) +{ + return (uint16_t)(READ_REG(SPIx->DR)); +} + +/** + * @brief Write 8-Bits in the data register + * @rmtoll DR DR LL_SPI_TransmitData8 + * @param SPIx SPI Instance + * @param TxData Value between Min_Data=0x00 and Max_Data=0xFF + * @retval None + */ +__STATIC_INLINE void LL_SPI_TransmitData8(SPI_TypeDef *SPIx, uint8_t TxData) +{ +#if defined (__GNUC__) + __IO uint8_t *spidr = ((__IO uint8_t *)&SPIx->DR); + *spidr = TxData; +#else + *((__IO uint8_t *)&SPIx->DR) = TxData; +#endif /* __GNUC__ */ +} + +/** + * @brief Write 16-Bits in the data register + * @rmtoll DR DR LL_SPI_TransmitData16 + * @param SPIx SPI Instance + * @param TxData Value between Min_Data=0x00 and Max_Data=0xFFFF + * @retval None + */ +__STATIC_INLINE void LL_SPI_TransmitData16(SPI_TypeDef *SPIx, uint16_t TxData) +{ +#if defined (__GNUC__) + __IO uint16_t *spidr = ((__IO uint16_t *)&SPIx->DR); + *spidr = TxData; +#else + SPIx->DR = TxData; +#endif /* __GNUC__ */ +} + +/** + * @} + */ +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup SPI_LL_EF_Init Initialization and de-initialization functions + * @{ + */ + +ErrorStatus LL_SPI_DeInit(SPI_TypeDef *SPIx); +ErrorStatus LL_SPI_Init(SPI_TypeDef *SPIx, LL_SPI_InitTypeDef *SPI_InitStruct); +void LL_SPI_StructInit(LL_SPI_InitTypeDef *SPI_InitStruct); + +/** + * @} + */ +#endif /* USE_FULL_LL_DRIVER */ +/** + * @} + */ + +/** + * @} + */ + +/** @defgroup I2S_LL I2S + * @{ + */ + +/* Private variables ---------------------------------------------------------*/ +/* Private constants ---------------------------------------------------------*/ +/* Private macros ------------------------------------------------------------*/ + +/* Exported types ------------------------------------------------------------*/ +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup I2S_LL_ES_INIT I2S Exported Init structure + * @{ + */ + +/** + * @brief I2S Init structure definition + */ + +typedef struct +{ + uint32_t Mode; /*!< Specifies the I2S operating mode. + This parameter can be a value of @ref I2S_LL_EC_MODE + + This feature can be modified afterwards using unitary function @ref LL_I2S_SetTransferMode().*/ + + uint32_t Standard; /*!< Specifies the standard used for the I2S communication. + This parameter can be a value of @ref I2S_LL_EC_STANDARD + + This feature can be modified afterwards using unitary function @ref LL_I2S_SetStandard().*/ + + + uint32_t DataFormat; /*!< Specifies the data format for the I2S communication. + This parameter can be a value of @ref I2S_LL_EC_DATA_FORMAT + + This feature can be modified afterwards using unitary function @ref LL_I2S_SetDataFormat().*/ + + + uint32_t MCLKOutput; /*!< Specifies whether the I2S MCLK output is enabled or not. + This parameter can be a value of @ref I2S_LL_EC_MCLK_OUTPUT + + This feature can be modified afterwards using unitary functions @ref LL_I2S_EnableMasterClock() or @ref LL_I2S_DisableMasterClock.*/ + + + uint32_t AudioFreq; /*!< Specifies the frequency selected for the I2S communication. + This parameter can be a value of @ref I2S_LL_EC_AUDIO_FREQ + + Audio Frequency can be modified afterwards using Reference manual formulas to calculate Prescaler Linear, Parity + and unitary functions @ref LL_I2S_SetPrescalerLinear() and @ref LL_I2S_SetPrescalerParity() to set it.*/ + + + uint32_t ClockPolarity; /*!< Specifies the idle state of the I2S clock. + This parameter can be a value of @ref I2S_LL_EC_POLARITY + + This feature can be modified afterwards using unitary function @ref LL_I2S_SetClockPolarity().*/ + +} LL_I2S_InitTypeDef; + +/** + * @} + */ +#endif /*USE_FULL_LL_DRIVER*/ + +/* Exported constants --------------------------------------------------------*/ +/** @defgroup I2S_LL_Exported_Constants I2S Exported Constants + * @{ + */ + +/** @defgroup I2S_LL_EC_GET_FLAG Get Flags Defines + * @brief Flags defines which can be used with LL_I2S_ReadReg function + * @{ + */ +#define LL_I2S_SR_RXNE LL_SPI_SR_RXNE /*!< Rx buffer not empty flag */ +#define LL_I2S_SR_TXE LL_SPI_SR_TXE /*!< Tx buffer empty flag */ +#define LL_I2S_SR_BSY LL_SPI_SR_BSY /*!< Busy flag */ +#define LL_I2S_SR_UDR SPI_SR_UDR /*!< Underrun flag */ +#define LL_I2S_SR_OVR LL_SPI_SR_OVR /*!< Overrun flag */ +#define LL_I2S_SR_FRE LL_SPI_SR_FRE /*!< TI mode frame format error flag */ +/** + * @} + */ + +/** @defgroup SPI_LL_EC_IT IT Defines + * @brief IT defines which can be used with LL_SPI_ReadReg and LL_SPI_WriteReg functions + * @{ + */ +#define LL_I2S_CR2_RXNEIE LL_SPI_CR2_RXNEIE /*!< Rx buffer not empty interrupt enable */ +#define LL_I2S_CR2_TXEIE LL_SPI_CR2_TXEIE /*!< Tx buffer empty interrupt enable */ +#define LL_I2S_CR2_ERRIE LL_SPI_CR2_ERRIE /*!< Error interrupt enable */ +/** + * @} + */ + +/** @defgroup I2S_LL_EC_DATA_FORMAT Data format + * @{ + */ +#define LL_I2S_DATAFORMAT_16B 0x00000000U /*!< Data length 16 bits, Channel length 16bit */ +#define LL_I2S_DATAFORMAT_16B_EXTENDED (SPI_I2SCFGR_CHLEN) /*!< Data length 16 bits, Channel length 32bit */ +#define LL_I2S_DATAFORMAT_24B (SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_0) /*!< Data length 24 bits, Channel length 32bit */ +#define LL_I2S_DATAFORMAT_32B (SPI_I2SCFGR_CHLEN | SPI_I2SCFGR_DATLEN_1) /*!< Data length 16 bits, Channel length 32bit */ +/** + * @} + */ + +/** @defgroup I2S_LL_EC_POLARITY Clock Polarity + * @{ + */ +#define LL_I2S_POLARITY_LOW 0x00000000U /*!< Clock steady state is low level */ +#define LL_I2S_POLARITY_HIGH (SPI_I2SCFGR_CKPOL) /*!< Clock steady state is high level */ +/** + * @} + */ + +/** @defgroup I2S_LL_EC_STANDARD I2s Standard + * @{ + */ +#define LL_I2S_STANDARD_PHILIPS 0x00000000U /*!< I2S standard philips */ +#define LL_I2S_STANDARD_MSB (SPI_I2SCFGR_I2SSTD_0) /*!< MSB justified standard (left justified) */ +#define LL_I2S_STANDARD_LSB (SPI_I2SCFGR_I2SSTD_1) /*!< LSB justified standard (right justified) */ +#define LL_I2S_STANDARD_PCM_SHORT (SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1) /*!< PCM standard, short frame synchronization */ +#define LL_I2S_STANDARD_PCM_LONG (SPI_I2SCFGR_I2SSTD_0 | SPI_I2SCFGR_I2SSTD_1 | SPI_I2SCFGR_PCMSYNC) /*!< PCM standard, long frame synchronization */ +/** + * @} + */ + +/** @defgroup I2S_LL_EC_MODE Operation Mode + * @{ + */ +#define LL_I2S_MODE_SLAVE_TX 0x00000000U /*!< Slave Tx configuration */ +#define LL_I2S_MODE_SLAVE_RX (SPI_I2SCFGR_I2SCFG_0) /*!< Slave Rx configuration */ +#define LL_I2S_MODE_MASTER_TX (SPI_I2SCFGR_I2SCFG_1) /*!< Master Tx configuration */ +#define LL_I2S_MODE_MASTER_RX (SPI_I2SCFGR_I2SCFG_0 | SPI_I2SCFGR_I2SCFG_1) /*!< Master Rx configuration */ +/** + * @} + */ + +/** @defgroup I2S_LL_EC_PRESCALER_FACTOR Prescaler Factor + * @{ + */ +#define LL_I2S_PRESCALER_PARITY_EVEN 0x00000000U /*!< Odd factor: Real divider value is = I2SDIV * 2 */ +#define LL_I2S_PRESCALER_PARITY_ODD (SPI_I2SPR_ODD >> 8U) /*!< Odd factor: Real divider value is = (I2SDIV * 2)+1 */ +/** + * @} + */ + +#if defined(USE_FULL_LL_DRIVER) + +/** @defgroup I2S_LL_EC_MCLK_OUTPUT MCLK Output + * @{ + */ +#define LL_I2S_MCLK_OUTPUT_DISABLE 0x00000000U /*!< Master clock output is disabled */ +#define LL_I2S_MCLK_OUTPUT_ENABLE (SPI_I2SPR_MCKOE) /*!< Master clock output is enabled */ +/** + * @} + */ + +/** @defgroup I2S_LL_EC_AUDIO_FREQ Audio Frequency + * @{ + */ + +#define LL_I2S_AUDIOFREQ_192K 192000U /*!< Audio Frequency configuration 192000 Hz */ +#define LL_I2S_AUDIOFREQ_96K 96000U /*!< Audio Frequency configuration 96000 Hz */ +#define LL_I2S_AUDIOFREQ_48K 48000U /*!< Audio Frequency configuration 48000 Hz */ +#define LL_I2S_AUDIOFREQ_44K 44100U /*!< Audio Frequency configuration 44100 Hz */ +#define LL_I2S_AUDIOFREQ_32K 32000U /*!< Audio Frequency configuration 32000 Hz */ +#define LL_I2S_AUDIOFREQ_22K 22050U /*!< Audio Frequency configuration 22050 Hz */ +#define LL_I2S_AUDIOFREQ_16K 16000U /*!< Audio Frequency configuration 16000 Hz */ +#define LL_I2S_AUDIOFREQ_11K 11025U /*!< Audio Frequency configuration 11025 Hz */ +#define LL_I2S_AUDIOFREQ_8K 8000U /*!< Audio Frequency configuration 8000 Hz */ +#define LL_I2S_AUDIOFREQ_DEFAULT 2U /*!< Audio Freq not specified. Register I2SDIV = 2 */ +/** + * @} + */ +#endif /* USE_FULL_LL_DRIVER */ + +/** + * @} + */ + +/* Exported macro ------------------------------------------------------------*/ +/** @defgroup I2S_LL_Exported_Macros I2S Exported Macros + * @{ + */ + +/** @defgroup I2S_LL_EM_WRITE_READ Common Write and read registers Macros + * @{ + */ + +/** + * @brief Write a value in I2S register + * @param __INSTANCE__ I2S Instance + * @param __REG__ Register to be written + * @param __VALUE__ Value to be written in the register + * @retval None + */ +#define LL_I2S_WriteReg(__INSTANCE__, __REG__, __VALUE__) WRITE_REG(__INSTANCE__->__REG__, (__VALUE__)) + +/** + * @brief Read a value in I2S register + * @param __INSTANCE__ I2S Instance + * @param __REG__ Register to be read + * @retval Register value + */ +#define LL_I2S_ReadReg(__INSTANCE__, __REG__) READ_REG(__INSTANCE__->__REG__) +/** + * @} + */ + +/** + * @} + */ + + +/* Exported functions --------------------------------------------------------*/ + +/** @defgroup I2S_LL_Exported_Functions I2S Exported Functions + * @{ + */ + +/** @defgroup I2S_LL_EF_Configuration Configuration + * @{ + */ + +/** + * @brief Select I2S mode and Enable I2S peripheral + * @rmtoll I2SCFGR I2SMOD LL_I2S_Enable\n + * I2SCFGR I2SE LL_I2S_Enable + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_Enable(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SMOD | SPI_I2SCFGR_I2SE); +} + +/** + * @brief Disable I2S peripheral + * @rmtoll I2SCFGR I2SE LL_I2S_Disable + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_Disable(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SMOD | SPI_I2SCFGR_I2SE); +} + +/** + * @brief Check if I2S peripheral is enabled + * @rmtoll I2SCFGR I2SE LL_I2S_IsEnabled + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsEnabled(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SE) == (SPI_I2SCFGR_I2SE)) ? 1UL : 0UL); +} + +/** + * @brief Set I2S data frame length + * @rmtoll I2SCFGR DATLEN LL_I2S_SetDataFormat\n + * I2SCFGR CHLEN LL_I2S_SetDataFormat + * @param SPIx SPI Instance + * @param DataFormat This parameter can be one of the following values: + * @arg @ref LL_I2S_DATAFORMAT_16B + * @arg @ref LL_I2S_DATAFORMAT_16B_EXTENDED + * @arg @ref LL_I2S_DATAFORMAT_24B + * @arg @ref LL_I2S_DATAFORMAT_32B + * @retval None + */ +__STATIC_INLINE void LL_I2S_SetDataFormat(SPI_TypeDef *SPIx, uint32_t DataFormat) +{ + MODIFY_REG(SPIx->I2SCFGR, SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN, DataFormat); +} + +/** + * @brief Get I2S data frame length + * @rmtoll I2SCFGR DATLEN LL_I2S_GetDataFormat\n + * I2SCFGR CHLEN LL_I2S_GetDataFormat + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2S_DATAFORMAT_16B + * @arg @ref LL_I2S_DATAFORMAT_16B_EXTENDED + * @arg @ref LL_I2S_DATAFORMAT_24B + * @arg @ref LL_I2S_DATAFORMAT_32B + */ +__STATIC_INLINE uint32_t LL_I2S_GetDataFormat(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_DATLEN | SPI_I2SCFGR_CHLEN)); +} + +/** + * @brief Set I2S clock polarity + * @rmtoll I2SCFGR CKPOL LL_I2S_SetClockPolarity + * @param SPIx SPI Instance + * @param ClockPolarity This parameter can be one of the following values: + * @arg @ref LL_I2S_POLARITY_LOW + * @arg @ref LL_I2S_POLARITY_HIGH + * @retval None + */ +__STATIC_INLINE void LL_I2S_SetClockPolarity(SPI_TypeDef *SPIx, uint32_t ClockPolarity) +{ + SET_BIT(SPIx->I2SCFGR, ClockPolarity); +} + +/** + * @brief Get I2S clock polarity + * @rmtoll I2SCFGR CKPOL LL_I2S_GetClockPolarity + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2S_POLARITY_LOW + * @arg @ref LL_I2S_POLARITY_HIGH + */ +__STATIC_INLINE uint32_t LL_I2S_GetClockPolarity(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_CKPOL)); +} + +/** + * @brief Set I2S standard protocol + * @rmtoll I2SCFGR I2SSTD LL_I2S_SetStandard\n + * I2SCFGR PCMSYNC LL_I2S_SetStandard + * @param SPIx SPI Instance + * @param Standard This parameter can be one of the following values: + * @arg @ref LL_I2S_STANDARD_PHILIPS + * @arg @ref LL_I2S_STANDARD_MSB + * @arg @ref LL_I2S_STANDARD_LSB + * @arg @ref LL_I2S_STANDARD_PCM_SHORT + * @arg @ref LL_I2S_STANDARD_PCM_LONG + * @retval None + */ +__STATIC_INLINE void LL_I2S_SetStandard(SPI_TypeDef *SPIx, uint32_t Standard) +{ + MODIFY_REG(SPIx->I2SCFGR, SPI_I2SCFGR_I2SSTD | SPI_I2SCFGR_PCMSYNC, Standard); +} + +/** + * @brief Get I2S standard protocol + * @rmtoll I2SCFGR I2SSTD LL_I2S_GetStandard\n + * I2SCFGR PCMSYNC LL_I2S_GetStandard + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2S_STANDARD_PHILIPS + * @arg @ref LL_I2S_STANDARD_MSB + * @arg @ref LL_I2S_STANDARD_LSB + * @arg @ref LL_I2S_STANDARD_PCM_SHORT + * @arg @ref LL_I2S_STANDARD_PCM_LONG + */ +__STATIC_INLINE uint32_t LL_I2S_GetStandard(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SSTD | SPI_I2SCFGR_PCMSYNC)); +} + +/** + * @brief Set I2S transfer mode + * @rmtoll I2SCFGR I2SCFG LL_I2S_SetTransferMode + * @param SPIx SPI Instance + * @param Mode This parameter can be one of the following values: + * @arg @ref LL_I2S_MODE_SLAVE_TX + * @arg @ref LL_I2S_MODE_SLAVE_RX + * @arg @ref LL_I2S_MODE_MASTER_TX + * @arg @ref LL_I2S_MODE_MASTER_RX + * @retval None + */ +__STATIC_INLINE void LL_I2S_SetTransferMode(SPI_TypeDef *SPIx, uint32_t Mode) +{ + MODIFY_REG(SPIx->I2SCFGR, SPI_I2SCFGR_I2SCFG, Mode); +} + +/** + * @brief Get I2S transfer mode + * @rmtoll I2SCFGR I2SCFG LL_I2S_GetTransferMode + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2S_MODE_SLAVE_TX + * @arg @ref LL_I2S_MODE_SLAVE_RX + * @arg @ref LL_I2S_MODE_MASTER_TX + * @arg @ref LL_I2S_MODE_MASTER_RX + */ +__STATIC_INLINE uint32_t LL_I2S_GetTransferMode(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_I2SCFG)); +} + +/** + * @brief Set I2S linear prescaler + * @rmtoll I2SPR I2SDIV LL_I2S_SetPrescalerLinear + * @param SPIx SPI Instance + * @param PrescalerLinear Value between Min_Data=0x02 and Max_Data=0xFF + * @retval None + */ +__STATIC_INLINE void LL_I2S_SetPrescalerLinear(SPI_TypeDef *SPIx, uint8_t PrescalerLinear) +{ + MODIFY_REG(SPIx->I2SPR, SPI_I2SPR_I2SDIV, PrescalerLinear); +} + +/** + * @brief Get I2S linear prescaler + * @rmtoll I2SPR I2SDIV LL_I2S_GetPrescalerLinear + * @param SPIx SPI Instance + * @retval PrescalerLinear Value between Min_Data=0x02 and Max_Data=0xFF + */ +__STATIC_INLINE uint32_t LL_I2S_GetPrescalerLinear(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->I2SPR, SPI_I2SPR_I2SDIV)); +} + +/** + * @brief Set I2S parity prescaler + * @rmtoll I2SPR ODD LL_I2S_SetPrescalerParity + * @param SPIx SPI Instance + * @param PrescalerParity This parameter can be one of the following values: + * @arg @ref LL_I2S_PRESCALER_PARITY_EVEN + * @arg @ref LL_I2S_PRESCALER_PARITY_ODD + * @retval None + */ +__STATIC_INLINE void LL_I2S_SetPrescalerParity(SPI_TypeDef *SPIx, uint32_t PrescalerParity) +{ + MODIFY_REG(SPIx->I2SPR, SPI_I2SPR_ODD, PrescalerParity << 8U); +} + +/** + * @brief Get I2S parity prescaler + * @rmtoll I2SPR ODD LL_I2S_GetPrescalerParity + * @param SPIx SPI Instance + * @retval Returned value can be one of the following values: + * @arg @ref LL_I2S_PRESCALER_PARITY_EVEN + * @arg @ref LL_I2S_PRESCALER_PARITY_ODD + */ +__STATIC_INLINE uint32_t LL_I2S_GetPrescalerParity(SPI_TypeDef *SPIx) +{ + return (uint32_t)(READ_BIT(SPIx->I2SPR, SPI_I2SPR_ODD) >> 8U); +} + +/** + * @brief Enable the master clock output (Pin MCK) + * @rmtoll I2SPR MCKOE LL_I2S_EnableMasterClock + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_EnableMasterClock(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->I2SPR, SPI_I2SPR_MCKOE); +} + +/** + * @brief Disable the master clock output (Pin MCK) + * @rmtoll I2SPR MCKOE LL_I2S_DisableMasterClock + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_DisableMasterClock(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->I2SPR, SPI_I2SPR_MCKOE); +} + +/** + * @brief Check if the master clock output (Pin MCK) is enabled + * @rmtoll I2SPR MCKOE LL_I2S_IsEnabledMasterClock + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsEnabledMasterClock(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->I2SPR, SPI_I2SPR_MCKOE) == (SPI_I2SPR_MCKOE)) ? 1UL : 0UL); +} + +#if defined(SPI_I2SCFGR_ASTRTEN) +/** + * @brief Enable asynchronous start + * @rmtoll I2SCFGR ASTRTEN LL_I2S_EnableAsyncStart + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_EnableAsyncStart(SPI_TypeDef *SPIx) +{ + SET_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_ASTRTEN); +} + +/** + * @brief Disable asynchronous start + * @rmtoll I2SCFGR ASTRTEN LL_I2S_DisableAsyncStart + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_DisableAsyncStart(SPI_TypeDef *SPIx) +{ + CLEAR_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_ASTRTEN); +} + +/** + * @brief Check if asynchronous start is enabled + * @rmtoll I2SCFGR ASTRTEN LL_I2S_IsEnabledAsyncStart + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsEnabledAsyncStart(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->I2SCFGR, SPI_I2SCFGR_ASTRTEN) == (SPI_I2SCFGR_ASTRTEN)) ? 1UL : 0UL); +} +#endif /* SPI_I2SCFGR_ASTRTEN */ + +/** + * @} + */ + +/** @defgroup I2S_LL_EF_FLAG FLAG Management + * @{ + */ + +/** + * @brief Check if Rx buffer is not empty + * @rmtoll SR RXNE LL_I2S_IsActiveFlag_RXNE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_RXNE(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsActiveFlag_RXNE(SPIx); +} + +/** + * @brief Check if Tx buffer is empty + * @rmtoll SR TXE LL_I2S_IsActiveFlag_TXE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_TXE(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsActiveFlag_TXE(SPIx); +} + +/** + * @brief Get busy flag + * @rmtoll SR BSY LL_I2S_IsActiveFlag_BSY + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_BSY(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsActiveFlag_BSY(SPIx); +} + +/** + * @brief Get overrun error flag + * @rmtoll SR OVR LL_I2S_IsActiveFlag_OVR + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_OVR(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsActiveFlag_OVR(SPIx); +} + +/** + * @brief Get underrun error flag + * @rmtoll SR UDR LL_I2S_IsActiveFlag_UDR + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_UDR(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->SR, SPI_SR_UDR) == (SPI_SR_UDR)) ? 1UL : 0UL); +} + +/** + * @brief Get frame format error flag + * @rmtoll SR FRE LL_I2S_IsActiveFlag_FRE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_FRE(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsActiveFlag_FRE(SPIx); +} + +/** + * @brief Get channel side flag. + * @note 0: Channel Left has to be transmitted or has been received\n + * 1: Channel Right has to be transmitted or has been received\n + * It has no significance in PCM mode. + * @rmtoll SR CHSIDE LL_I2S_IsActiveFlag_CHSIDE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsActiveFlag_CHSIDE(SPI_TypeDef *SPIx) +{ + return ((READ_BIT(SPIx->SR, SPI_SR_CHSIDE) == (SPI_SR_CHSIDE)) ? 1UL : 0UL); +} + +/** + * @brief Clear overrun error flag + * @rmtoll SR OVR LL_I2S_ClearFlag_OVR + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_ClearFlag_OVR(SPI_TypeDef *SPIx) +{ + LL_SPI_ClearFlag_OVR(SPIx); +} + +/** + * @brief Clear underrun error flag + * @rmtoll SR UDR LL_I2S_ClearFlag_UDR + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_ClearFlag_UDR(SPI_TypeDef *SPIx) +{ + __IO uint32_t tmpreg; + tmpreg = SPIx->SR; + (void)tmpreg; +} + +/** + * @brief Clear frame format error flag + * @rmtoll SR FRE LL_I2S_ClearFlag_FRE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_ClearFlag_FRE(SPI_TypeDef *SPIx) +{ + LL_SPI_ClearFlag_FRE(SPIx); +} + +/** + * @} + */ + +/** @defgroup I2S_LL_EF_IT Interrupt Management + * @{ + */ + +/** + * @brief Enable error IT + * @note This bit controls the generation of an interrupt when an error condition occurs (OVR, UDR and FRE in I2S mode). + * @rmtoll CR2 ERRIE LL_I2S_EnableIT_ERR + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_EnableIT_ERR(SPI_TypeDef *SPIx) +{ + LL_SPI_EnableIT_ERR(SPIx); +} + +/** + * @brief Enable Rx buffer not empty IT + * @rmtoll CR2 RXNEIE LL_I2S_EnableIT_RXNE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_EnableIT_RXNE(SPI_TypeDef *SPIx) +{ + LL_SPI_EnableIT_RXNE(SPIx); +} + +/** + * @brief Enable Tx buffer empty IT + * @rmtoll CR2 TXEIE LL_I2S_EnableIT_TXE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_EnableIT_TXE(SPI_TypeDef *SPIx) +{ + LL_SPI_EnableIT_TXE(SPIx); +} + +/** + * @brief Disable error IT + * @note This bit controls the generation of an interrupt when an error condition occurs (OVR, UDR and FRE in I2S mode). + * @rmtoll CR2 ERRIE LL_I2S_DisableIT_ERR + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_DisableIT_ERR(SPI_TypeDef *SPIx) +{ + LL_SPI_DisableIT_ERR(SPIx); +} + +/** + * @brief Disable Rx buffer not empty IT + * @rmtoll CR2 RXNEIE LL_I2S_DisableIT_RXNE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_DisableIT_RXNE(SPI_TypeDef *SPIx) +{ + LL_SPI_DisableIT_RXNE(SPIx); +} + +/** + * @brief Disable Tx buffer empty IT + * @rmtoll CR2 TXEIE LL_I2S_DisableIT_TXE + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_DisableIT_TXE(SPI_TypeDef *SPIx) +{ + LL_SPI_DisableIT_TXE(SPIx); +} + +/** + * @brief Check if ERR IT is enabled + * @rmtoll CR2 ERRIE LL_I2S_IsEnabledIT_ERR + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsEnabledIT_ERR(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsEnabledIT_ERR(SPIx); +} + +/** + * @brief Check if RXNE IT is enabled + * @rmtoll CR2 RXNEIE LL_I2S_IsEnabledIT_RXNE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsEnabledIT_RXNE(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsEnabledIT_RXNE(SPIx); +} + +/** + * @brief Check if TXE IT is enabled + * @rmtoll CR2 TXEIE LL_I2S_IsEnabledIT_TXE + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsEnabledIT_TXE(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsEnabledIT_TXE(SPIx); +} + +/** + * @} + */ + +/** @defgroup I2S_LL_EF_DMA DMA Management + * @{ + */ + +/** + * @brief Enable DMA Rx + * @rmtoll CR2 RXDMAEN LL_I2S_EnableDMAReq_RX + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_EnableDMAReq_RX(SPI_TypeDef *SPIx) +{ + LL_SPI_EnableDMAReq_RX(SPIx); +} + +/** + * @brief Disable DMA Rx + * @rmtoll CR2 RXDMAEN LL_I2S_DisableDMAReq_RX + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_DisableDMAReq_RX(SPI_TypeDef *SPIx) +{ + LL_SPI_DisableDMAReq_RX(SPIx); +} + +/** + * @brief Check if DMA Rx is enabled + * @rmtoll CR2 RXDMAEN LL_I2S_IsEnabledDMAReq_RX + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsEnabledDMAReq_RX(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsEnabledDMAReq_RX(SPIx); +} + +/** + * @brief Enable DMA Tx + * @rmtoll CR2 TXDMAEN LL_I2S_EnableDMAReq_TX + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_EnableDMAReq_TX(SPI_TypeDef *SPIx) +{ + LL_SPI_EnableDMAReq_TX(SPIx); +} + +/** + * @brief Disable DMA Tx + * @rmtoll CR2 TXDMAEN LL_I2S_DisableDMAReq_TX + * @param SPIx SPI Instance + * @retval None + */ +__STATIC_INLINE void LL_I2S_DisableDMAReq_TX(SPI_TypeDef *SPIx) +{ + LL_SPI_DisableDMAReq_TX(SPIx); +} + +/** + * @brief Check if DMA Tx is enabled + * @rmtoll CR2 TXDMAEN LL_I2S_IsEnabledDMAReq_TX + * @param SPIx SPI Instance + * @retval State of bit (1 or 0). + */ +__STATIC_INLINE uint32_t LL_I2S_IsEnabledDMAReq_TX(SPI_TypeDef *SPIx) +{ + return LL_SPI_IsEnabledDMAReq_TX(SPIx); +} + +/** + * @} + */ + +/** @defgroup I2S_LL_EF_DATA DATA Management + * @{ + */ + +/** + * @brief Read 16-Bits in data register + * @rmtoll DR DR LL_I2S_ReceiveData16 + * @param SPIx SPI Instance + * @retval RxData Value between Min_Data=0x0000 and Max_Data=0xFFFF + */ +__STATIC_INLINE uint16_t LL_I2S_ReceiveData16(SPI_TypeDef *SPIx) +{ + return LL_SPI_ReceiveData16(SPIx); +} + +/** + * @brief Write 16-Bits in data register + * @rmtoll DR DR LL_I2S_TransmitData16 + * @param SPIx SPI Instance + * @param TxData Value between Min_Data=0x0000 and Max_Data=0xFFFF + * @retval None + */ +__STATIC_INLINE void LL_I2S_TransmitData16(SPI_TypeDef *SPIx, uint16_t TxData) +{ + LL_SPI_TransmitData16(SPIx, TxData); +} + +/** + * @} + */ + +#if defined(USE_FULL_LL_DRIVER) +/** @defgroup I2S_LL_EF_Init Initialization and de-initialization functions + * @{ + */ + +ErrorStatus LL_I2S_DeInit(SPI_TypeDef *SPIx); +ErrorStatus LL_I2S_Init(SPI_TypeDef *SPIx, LL_I2S_InitTypeDef *I2S_InitStruct); +void LL_I2S_StructInit(LL_I2S_InitTypeDef *I2S_InitStruct); +void LL_I2S_ConfigPrescaler(SPI_TypeDef *SPIx, uint32_t PrescalerLinear, uint32_t PrescalerParity); +#if defined (SPI_I2S_FULLDUPLEX_SUPPORT) +ErrorStatus LL_I2S_InitFullDuplex(SPI_TypeDef *I2Sxext, LL_I2S_InitTypeDef *I2S_InitStruct); +#endif /* SPI_I2S_FULLDUPLEX_SUPPORT */ + +/** + * @} + */ +#endif /* USE_FULL_LL_DRIVER */ + +/** + * @} + */ + +/** + * @} + */ + +#endif /* defined (SPI1) || defined (SPI2) || defined (SPI3) || defined (SPI4) || defined (SPI5) || defined(SPI6) */ + +/** + * @} + */ + +#ifdef __cplusplus +} +#endif + +#endif /* STM32F4xx_LL_SPI_H */ +