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add uGFX toggle driver for button and touchpad
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179 changes: 179 additions & 0 deletions
179
components/hmi/gdrivers/ginput/toggle/button/ginput_lld_toggle_button.c
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| Original file line number | Diff line number | Diff line change |
|---|---|---|
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| /* | ||
| * This file is subject to the terms of the GFX License. If a copy of | ||
| * the license was not distributed with this file, you can obtain one at: | ||
| * | ||
| * http://ugfx.org/license.html | ||
| */ | ||
|
|
||
| /* uGFX Config Include */ | ||
| #include "sdkconfig.h" | ||
| #include "esp_log.h" | ||
|
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| /* RTOS Includes */ | ||
| #include "freertos/FreeRTOS.h" | ||
| #include "freertos/task.h" | ||
| #include "freertos/event_groups.h" | ||
| #include "freertos/semphr.h" | ||
|
|
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| /* GPIO Include */ | ||
| #include "driver/gpio.h" | ||
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| #define BUTTON_QUEUE_LENGTH 10 | ||
| #define BUTTON_WAITQUEUE_TIME 20 // millisecond | ||
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| #define GPIO_BUTTON_1 CONFIG_UGFX_TOGGLE_BUTTON_GPIO1 | ||
| #define GPIO_BUTTON_2 CONFIG_UGFX_TOGGLE_BUTTON_GPIO2 | ||
| #define GPIO_OUTPUT_PIN_SEL ((1ULL<<GPIO_BUTTON_1) | (1ULL<<GPIO_BUTTON_2)) | ||
|
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| #define ESP_INTR_FLAG_DEFAULT 0 | ||
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| static QueueHandle_t gpio_evt_queue = NULL; | ||
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| static void IRAM_ATTR gpio_isr_handler(void *arg) | ||
| { | ||
| gpio_num_t gpio_num = (uint32_t)arg; | ||
| xQueueSendFromISR(gpio_evt_queue, &gpio_num, NULL); | ||
| } | ||
|
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| static void gpio_toggle_init() | ||
| { | ||
| gpio_config_t io_conf; | ||
| //disable interrupt | ||
| io_conf.intr_type = GPIO_INTR_LOW_LEVEL; | ||
| //set as output mode | ||
| io_conf.mode = GPIO_MODE_INPUT; | ||
| //bit mask of the pins that you want to set,e.g.GPIO4/15 | ||
| io_conf.pin_bit_mask = GPIO_OUTPUT_PIN_SEL; | ||
| //disable pull-down mode | ||
| io_conf.pull_down_en = 0; | ||
| //disable pull-up mode | ||
| io_conf.pull_up_en = 0; | ||
| //configure GPIO with the given settings | ||
| gpio_config(&io_conf); | ||
|
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| if (gpio_evt_queue == NULL) { | ||
| //create a queue to handle gpio event from isr | ||
| gpio_evt_queue = xQueueCreate(BUTTON_QUEUE_LENGTH, sizeof(gpio_num_t)); | ||
| } | ||
|
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| //install gpio isr service | ||
| gpio_install_isr_service(ESP_INTR_FLAG_DEFAULT); | ||
|
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| //hook isr handler for specific gpio pin | ||
| gpio_isr_handler_add(GPIO_BUTTON_1, gpio_isr_handler, (void *)GPIO_BUTTON_1); | ||
| gpio_isr_handler_add(GPIO_BUTTON_2, gpio_isr_handler, (void *)GPIO_BUTTON_2); | ||
| } | ||
|
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||
| static unsigned get_gpio_num() | ||
| { | ||
| gpio_num_t gpio_num; | ||
| if (xQueueReceive(gpio_evt_queue, &gpio_num, BUTTON_WAITQUEUE_TIME / portTICK_PERIOD_MS) == pdTRUE) { | ||
| return gpio_num; | ||
| } else { | ||
| return GPIO_NUM_MAX; | ||
| } | ||
| } | ||
|
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| #ifdef CONFIG_UGFX_GUI_ENABLE | ||
|
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| /* uGFX Includes */ | ||
| #include "gos_freertos_priv.h" | ||
| #include "gfx.h" | ||
|
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| #if (GFX_USE_GINPUT && GINPUT_NEED_TOGGLE) /*|| defined(__DOXYGEN__)*/ | ||
|
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| #include "src/ginput/ginput_driver_toggle.h" | ||
|
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| GINPUT_TOGGLE_DECLARE_STRUCTURE(); | ||
|
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| void ginput_lld_toggle_init(const GToggleConfig *ptc) | ||
| { | ||
| gpio_toggle_init(); | ||
| } | ||
|
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| unsigned ginput_lld_toggle_getbits(const GToggleConfig *ptc) | ||
| { | ||
| static unsigned btn = 0; | ||
| switch (get_gpio_num()) { | ||
| case GPIO_BUTTON_1: | ||
| btn = 1; // number 1 toggle device touch | ||
| break; | ||
|
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| case GPIO_BUTTON_2: | ||
| btn = 2; // number 2 toggle device touch | ||
| break; | ||
|
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| case GPIO_NUM_MAX: | ||
| btn = 0; // no toggle device touch | ||
| break; | ||
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| default: | ||
| btn = 0; // no toggle device touch | ||
| break; | ||
| } | ||
| return btn; | ||
| } | ||
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| #endif /* GFX_USE_GINPUT && GINPUT_NEED_TOGGLE */ | ||
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| #endif /* CONFIG_UGFX_GUI_ENABLE */ | ||
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| #ifdef CONFIG_LVGL_GUI_ENABLE | ||
|
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| /* lvgl include */ | ||
| #include "lvgl_indev_config.h" | ||
|
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| /*Function pointer to read data. Return 'true' if there is still data to be read (buffered)*/ | ||
| static bool ex_tp_read(lv_indev_data_t *data) | ||
| { | ||
| /*Save the lastly pressed/released button's ID*/ | ||
| static uint32_t btn = 0; | ||
| data->state = LV_INDEV_STATE_REL; | ||
|
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| switch (get_gpio_num()) { | ||
| case GPIO_BUTTON_1: | ||
| data->state = LV_INDEV_STATE_PR; | ||
| btn = 0; // 0 means: number 1 toggle device button | ||
| break; | ||
|
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| case GPIO_BUTTON_2: | ||
| data->state = LV_INDEV_STATE_PR; | ||
| btn = 1; // 1 means: number 2 toggle device button | ||
| break; | ||
|
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| case GPIO_NUM_MAX: | ||
| data->state = LV_INDEV_STATE_REL; | ||
| break; // no toggle device button | ||
|
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| default: | ||
| data->state = LV_INDEV_STATE_REL; | ||
| break; // no toggle device button | ||
| } | ||
| // please be sure that your button driver every time return old (last clcked) value. | ||
| data->btn = btn; /*0 ... number of buttons-1*/ | ||
|
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| // Return 'true' if there is still data to be read (buffered)*/ | ||
| return false; | ||
| } | ||
|
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| /* Input device interface，Initialize your input device */ | ||
| lv_indev_drv_t lvgl_indev_init() | ||
| { | ||
| gpio_toggle_init(); | ||
|
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| lv_indev_drv_t indev_drv; /*Descriptor of an input device driver*/ | ||
| lv_indev_drv_init(&indev_drv); /*Basic initialization*/ | ||
|
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| indev_drv.type = LV_INDEV_TYPE_BUTTON; /*The touchpad is button type device*/ | ||
| indev_drv.read = ex_tp_read; /*Library ready your button via this function*/ | ||
|
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| lv_indev_drv_register(&indev_drv); /*Finally register the driver*/ | ||
| return indev_drv; | ||
| } | ||
|
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| /** | ||
| * Example : | ||
| * static lv_points_t points[] = {{20, 30},{ 50, 70},{100, 150}}; // Points for 3 buttons | ||
| * lv_indev_set_button_points(button_indev, points); | ||
| */ | ||
| #endif /* CONFIG_LVGL_GUI_ENABLE */ |
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