Merge pull request #2 from lephuoccan/develop/NTC

Develop/ntc
lephuoccan · May 30, 2022 · ed2f417 · ed2f417
2 parents d887b64 + 695887d
commit ed2f417
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Showing 7 changed files with 782 additions and 25 deletions.
diff --git a/NTCWiFiS/BoardCFG.h b/NTCWiFiS/BoardCFG.h
@@ -1,3 +1,5 @@
+
+
 #define DEBUG_DISABLED  0
 #define DEBUG_ENABLED  1
 #define DEBUG_MODE DEBUG_ENABLED
@@ -15,11 +17,34 @@
 #define NTC4_Pin  ADC1_CH0
 #define PS1_Pin   ADC1_CH5
 #define PS2_Pin   ADC1_CH4
-
+#define VREF_Pin  0
+#define PWR_Pin   1
 #define ADC_pin   ADC1_CH5
 
 #define SA0_Pin   27  /* OUTPUT */
 #define SA1_Pin   26  /* OUTPUT */
 #define SA2_Pin   22  /* OUTPUT */
 
 #define UART_Debug  Serial
+#define UART1       Serial1
+
+#define NTC_SR_OC       /*NTC open circuit*/
+#define NTC_SR_DRDY      /*NTC Data ready*/
+typedef struct
+{
+  int ADC_Raw;          /*ADC raw value*/
+  float ADC_Value;      /*ADC Value after 50Hz notch filter*/
+  float Resistance;     /*Resistance (Ohm unit)*/
+  float Temperature_C;  /*Temperature value in C*/
+  uint8_t SR;           /*Status register*/
+} NTC_Typedef;
+typedef struct
+{
+  int ADC_Raw;          /*ADC raw value*/
+  float ADC_Value;      /*ADC Value after 50Hz notch filter*/
+  float Resistance;
+  float Voltage;        /*Voltage (mV)*/
+  float Current;        /*Current (mA)*/
+  float Pressure;       /*Pressure in Bar*/
+  uint8_t SR;           /*Status register*/
+} PS_Typedef;
diff --git a/NTCWiFiS/Crc16.cpp b/NTCWiFiS/Crc16.cpp
@@ -0,0 +1,66 @@
+/*
+ * Crc16.c
+ *
+ *  Created on: 2 thg 8, 2021
+ *      Author: iFactory
+ */
+#include "Crc16.h"
+
+uint16_t ifacCRC::crc16_str(char *ptr, uint8_t len)
+{
+	uint16_t crc =CRC16_START;
+	while(len--)
+	{
+		crc = crc16_byte(crc , *ptr++);
+	}
+	return crc;
+}
+uint16_t ifacCRC::crc16_byte(uint16_t crcValue, uint8_t newByte)
+{
+	unsigned char i;
+
+	for (i = 0; i < 8; i++) {
+
+		if (((crcValue & 0x8000) >> 8) ^ (newByte & 0x80)){
+			crcValue = (crcValue << 1)  ^ POLYNOM;
+		}else{
+			crcValue = (crcValue << 1);
+		}
+
+		newByte <<= 1;
+	}
+
+	return crcValue;
+}
+/**
+  * @brief  Calculate CRC16 Modbus.
+  * @note   Polynomial calculations 0x8005.
+  * @param  uc_pBuffer pointer buffer to check CRC.
+  * @retval ul_Length Length of string is needs checking.
+  */
+uint16_t ifacCRC::CRC16_Modbus(uint8_t *uc_pBuffer, uint16_t ul_Length)
+{
+    uint8_t Luc_Index_Buff;
+    uint8_t Luc_Index_Bit;
+    uint16_t Lus_Tmp_Bit;
+    uint8_t Luc_Tmp_Val;
+    uint16_t Lul_CRC_Val;
+    /* Initialize value for Crc16 Modbus */
+    Lul_CRC_Val = 0xFFFF;
+
+    for (Luc_Index_Buff = 0; Luc_Index_Buff < ul_Length; Luc_Index_Buff++)
+    {
+        Luc_Tmp_Val = (uint8_t)*uc_pBuffer++;
+        Lul_CRC_Val ^= Luc_Tmp_Val;
+        for (Luc_Index_Bit = 0; Luc_Index_Bit < 8; Luc_Index_Bit++ )
+        {
+            Lus_Tmp_Bit = Lul_CRC_Val & 0x0001;
+            Lul_CRC_Val >>= 1;
+            if ( Lus_Tmp_Bit != 0 )
+            {
+                Lul_CRC_Val ^= 0xA001;
+            }
+        }
+    }
+    return Lul_CRC_Val;
+}
diff --git a/NTCWiFiS/Crc16.h b/NTCWiFiS/Crc16.h
@@ -0,0 +1,35 @@
+/*
+ * Crc16.h
+ *
+ *  Created on: 2 thg 8, 2021
+ *      Author: iFactory
+ */
+
+#ifndef INC_CRC16_H_
+#define INC_CRC16_H_
+#include <Arduino.h>
+
+#define CRC16_START			0xFFFF
+#define CRC16_DNP			0x3D65		// DNP, IEC 870, M-BUS, wM-BUS, ...
+#define CRC16_CCITT			0x1021		// X.25, V.41, HDLC FCS, Bluetooth, ...
+
+
+#define CRC16_IBM			0x8005		// ModBus, USB, Bisync, CRC-16, CRC-16-ANSI, ...
+#define CRC16_T10_DIF		0x8BB7		// SCSI DIF
+#define CRC16_DECT			0x0589		// Cordeless Telephones
+#define CRC16_ARINC			0xA02B		// ACARS Aplications
+
+#define POLYNOM					CRC16_CCITT   // Define the used polynom from one of the aboves
+
+class ifacCRC
+{
+  public:
+    uint16_t CRC16_Modbus(uint8_t *uc_pBuffer, uint16_t ul_Length);
+
+  private:
+    uint16_t crc16_str(char *ptr, uint8_t len);
+    uint16_t crc16_byte(uint16_t crcValue, uint8_t newByte);
+};
+
+
+#endif /* INC_CRC16_H_ */
diff --git a/NTCWiFiS/MCP3208.cpp b/NTCWiFiS/MCP3208.cpp
@@ -0,0 +1,133 @@
+/***************************************************************************//**
+ *   @file   AD7793.c
+ *   @brief  Implementation of AD7793 Driver.
+ *   @author Bancisor MIhai
+********************************************************************************
+ * Copyright 2012(c) Analog Devices, Inc.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  - Neither the name of Analog Devices, Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *  - The use of this software may or may not infringe the patent rights
+ *    of one or more patent holders.  This license does not release you
+ *    from the requirement that you obtain separate licenses from these
+ *    patent holders to use this software.
+ *  - Use of the software either in source or binary form, must be run
+ *    on or directly connected to an Analog Devices Inc. component.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+********************************************************************************
+ *   SVN Revision: 500
+*******************************************************************************/
+
+/******************************************************************************/
+/* Include Files                                                              */
+/******************************************************************************/
+#include "MCP3208.h"				
+
+iMCP3208::iMCP3208(uint8_t csPin, uint32_t spiFrequency)
+{
+  _cs = csPin;
+  //Should be MODE3
+  spiSettings = SPISettings(spiFrequency,MSBFIRST,SPI_MODE3); 
+}
+
+iMCP3208::iMCP3208(uint8_t sckPin, uint8_t misoPin, uint8_t mosiPin,uint8_t csPin, uint32_t spiFrequency)
+{
+  _cs = csPin;
+  _sck = sckPin;
+  _miso = misoPin;
+  _mosi = mosiPin;
+  //Should be MODE3
+  spiSettings = SPISettings(spiFrequency,MSBFIRST,SPI_MODE3); 
+}
+
+void iMCP3208::begin()
+{
+  /* Initialize CS pin and set high level */
+  pinMode(_cs, OUTPUT);
+  digitalWrite(_cs,HIGH);
+
+  SPI.begin(_sck,_miso,_mosi,_cs);
+  SPI.beginTransaction(spiSettings);
+  /* Must waiting about 500us before accessing any of the on-chip registers. */
+  delayMicroseconds(500);
+}
+uint16_t iMCP3208::read(iMCP3208_CH ch)
+{
+  uint16_t retVal;
+  uint8_t pByte1 = 0, pByte2 = 0;
+  uint8_t rByte1, rbyte2;
+  pByte1 = (ch>>2)|0x04;
+  pByte2 = ch<<6;
+  digitalWrite(_cs, LOW);
+  spiWriteByte(pByte1);
+  rByte1 = spiByteTransfer(pByte2);
+  rbyte2 = spiByteTransfer(0xFF);
+  digitalWrite(_cs, HIGH);
+  delayMicroseconds(1);
+  retVal = ((uint16_t)(rByte1&0x0F)<<8)|(uint16_t)rbyte2;
+  return retVal;
+}
+void iMCP3208::spiWriteByte(unsigned char oneByte)
+{
+  SPI.transfer(oneByte);
+}
+
+void iMCP3208::spiWriteByte(unsigned char *nByte, uint8_t size)
+{
+  SPI.transfer(nByte,size);
+}
+
+uint8_t iMCP3208::spiReadByte()
+{
+  uint8_t retByte;
+  digitalWrite(_cs, LOW);
+  // Send a dumy byte
+  retByte = SPI.transfer(0xFF);
+  digitalWrite(_cs, HIGH);
+
+  return retByte;
+}
+uint8_t iMCP3208::spiByteTransfer(unsigned char oneByte)
+{
+  uint8_t retByte;
+  // Send a dumy byte
+  retByte = SPI.transfer(oneByte);
+  return retByte;
+}
+
+
+uint8_t iMCP3208::spiReadByte(uint8_t *retData, uint8_t numByte)
+{
+  uint8_t retByte;
+  digitalWrite(_cs, LOW);
+  for(int i=0; i<numByte; i++)
+  {
+    // Send a dumy byte
+    *(retData + i)= SPI.transfer(0xFF);
+  }
+  digitalWrite(_cs, HIGH);
+
+  return retByte;
+}
diff --git a/NTCWiFiS/MCP3208.h b/NTCWiFiS/MCP3208.h
@@ -0,0 +1,110 @@
+/***************************************************************************//**
+ *   @file   AD7793.h
+ *   @brief  Header file of AD7793 Driver.
+ *   @author Bancisor Mihai
+********************************************************************************
+ * Copyright 2012(c) Analog Devices, Inc.
+ *
+ * All rights reserved.
+ *
+ * Redistribution and use in source and binary forms, with or without
+ * modification, are permitted provided that the following conditions are met:
+ *  - Redistributions of source code must retain the above copyright
+ *    notice, this list of conditions and the following disclaimer.
+ *  - Redistributions in binary form must reproduce the above copyright
+ *    notice, this list of conditions and the following disclaimer in
+ *    the documentation and/or other materials provided with the
+ *    distribution.
+ *  - Neither the name of Analog Devices, Inc. nor the names of its
+ *    contributors may be used to endorse or promote products derived
+ *    from this software without specific prior written permission.
+ *  - The use of this software may or may not infringe the patent rights
+ *    of one or more patent holders.  This license does not release you
+ *    from the requirement that you obtain separate licenses from these
+ *    patent holders to use this software.
+ *  - Use of the software either in source or binary form, must be run
+ *    on or directly connected to an Analog Devices Inc. component.
+ *
+ * THIS SOFTWARE IS PROVIDED BY ANALOG DEVICES "AS IS" AND ANY EXPRESS OR
+ * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, NON-INFRINGEMENT,
+ * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ * IN NO EVENT SHALL ANALOG DEVICES BE LIABLE FOR ANY DIRECT, INDIRECT,
+ * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT
+ * LIMITED TO, INTELLECTUAL PROPERTY RIGHTS, PROCUREMENT OF SUBSTITUTE GOODS OR
+ * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+ * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+ * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+********************************************************************************
+ *   SVN Revision: 500
+*******************************************************************************/
+#ifndef __MCP3208_H__
+#define __MCP3208_H__
+
+#include <Arduino.h>
+#include <SPI.h>
+
+/******************************************************************************/
+/* MCP3208                                                                  */
+/******************************************************************************/
+enum iMCP3208_CH {
+  SINGLE_0 = 0b1000,  /**< single channel 0 */
+  SINGLE_1 = 0b1001,  /**< single channel 1 */
+  SINGLE_2 = 0b1010,  /**< single channel 2 */
+  SINGLE_3 = 0b1011,  /**< single channel 3 */
+  SINGLE_4 = 0b1100,  /**< single channel 4 */
+  SINGLE_5 = 0b1101,  /**< single channel 5 */
+  SINGLE_6 = 0b1110,  /**< single channel 6 */
+  SINGLE_7 = 0b1111,  /**< single channel 7 */
+  DIFF_0PN = 0b0000,  /**< differential channel 0 (input 0+,1-) */
+  DIFF_0NP = 0b0001,  /**< differential channel 0 (input 0-,1+) */
+  DIFF_1PN = 0b0010,  /**< differential channel 1 (input 2+,3-) */
+  DIFF_1NP = 0b0011,  /**< differential channel 1 (input 2-,3+) */
+  DIFF_2PN = 0b0100,  /**< differential channel 2 (input 4+,5-) */
+  DIFF_2NP = 0b0101,  /**< differential channel 2 (input 5-,5+) */
+  DIFF_3PN = 0b0110,  /**< differential channel 3 (input 6+,7-) */
+  DIFF_3NP = 0b0111   /**< differential channel 3 (input 6-,7+) */
+};
+
+/******************************************************************************/
+/* Functions Prototypes                                                       */
+/******************************************************************************/
+
+class iMCP3208
+{
+
+  public:
+    iMCP3208(uint8_t csPin, uint32_t spiFrequency);
+    iMCP3208(uint8_t sckPin, uint8_t misoPin, uint8_t mosiPin,uint8_t csPin, uint32_t spiFrequency);
+    void begin();
+    uint16_t read(iMCP3208_CH ch);
+
+  private:
+    void spiWriteByte(uint8_t oneByte);
+    void spiWriteByte(unsigned char *nByte, uint8_t size);
+    uint8_t spiReadByte();
+    uint8_t spiReadByte(uint8_t *retData, uint8_t numByte);
+    uint8_t spiByteTransfer(unsigned char oneByte);
+
+
+    /* SPI define Pin hardware */
+    uint8_t _mosi;
+    uint8_t _miso;
+    uint8_t _sck;
+    uint8_t _cs;
+
+    uint8_t currentCh;    
+    float vRef;
+
+    SPISettings spiSettings;
+
+    uint16_t modeReg; //holds value for 16 bit mode register
+    uint16_t confReg; //holds value for 16 bit configuration register
+
+    bool isSnglConvMode;
+
+    const uint16_t convTimeout = 480; // This should be set based on update rate eventually
+
+};
+#endif	// _AD7793_H_