1. 测试了屏幕驱动,lvgl,触摸,驱动文件在Lib/Display当中。全部通过(修改了sdkconfig,以适配lvgl)
2. 新增了优雅的C语言错误处理
This commit is contained in:
@@ -0,0 +1,243 @@
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#include "CST816.h"
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#define POINT_NUM_MAX (1)
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#define DATA_START_REG (0x02)
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#define CHIP_ID_REG (0xA7)
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#define AutoSleep_REG (0xFE)
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static const char *TAG = "CST816";
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esp_lcd_touch_handle_t tp = NULL;
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static esp_err_t read_data(esp_lcd_touch_handle_t tp);
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static bool get_xy(esp_lcd_touch_handle_t tp, uint16_t *x, uint16_t *y, uint16_t *strength, uint8_t *point_num, uint8_t max_point_num);
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static esp_err_t del(esp_lcd_touch_handle_t tp);
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static esp_err_t i2c_read_bytes(esp_lcd_touch_handle_t tp, uint16_t reg, uint8_t *data, uint8_t len);
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static esp_err_t i2c_write_bytes(esp_lcd_touch_handle_t tp, uint16_t reg, uint8_t* data, uint8_t len);
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static esp_err_t reset(esp_lcd_touch_handle_t tp);
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static esp_err_t read_id(esp_lcd_touch_handle_t tp);
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static void AutoSleep(bool Sleep_State);
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esp_err_t esp_lcd_touch_new_i2c_cst816(const esp_lcd_panel_io_handle_t io, const esp_lcd_touch_config_t *config, esp_lcd_touch_handle_t *tp)
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{
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ESP_RETURN_ON_FALSE(io, ESP_ERR_INVALID_ARG, TAG, "Invalid io");
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ESP_RETURN_ON_FALSE(config, ESP_ERR_INVALID_ARG, TAG, "Invalid config");
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ESP_RETURN_ON_FALSE(tp, ESP_ERR_INVALID_ARG, TAG, "Invalid touch handle");
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/* Prepare main structure */
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esp_err_t ret = ESP_OK;
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esp_lcd_touch_handle_t cst816s = calloc(1, sizeof(esp_lcd_touch_t));
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ESP_GOTO_ON_FALSE(cst816s, ESP_ERR_NO_MEM, err, TAG, "Touch handle malloc failed");
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/* Communication interface */
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cst816s->io = io;
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/* Only supported callbacks are set */
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cst816s->read_data = read_data;
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cst816s->get_xy = get_xy;
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cst816s->del = del;
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/* Mutex */
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cst816s->data.lock.owner = portMUX_FREE_VAL;
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/* Save config */
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memcpy(&cst816s->config, config, sizeof(esp_lcd_touch_config_t));
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/* Prepare pin for touch interrupt */
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if (cst816s->config.int_gpio_num != GPIO_NUM_NC) {
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const gpio_config_t int_gpio_config = {
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.mode = GPIO_MODE_INPUT,
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.intr_type = (cst816s->config.levels.interrupt ? GPIO_INTR_POSEDGE : GPIO_INTR_NEGEDGE),
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.pin_bit_mask = BIT64(cst816s->config.int_gpio_num)
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};
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ESP_GOTO_ON_ERROR(gpio_config(&int_gpio_config), err, TAG, "GPIO intr config failed");
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/* Register interrupt callback */
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if (cst816s->config.interrupt_callback) {
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esp_lcd_touch_register_interrupt_callback(cst816s, cst816s->config.interrupt_callback);
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}
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}
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/* Prepare pin for touch controller reset */
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if (cst816s->config.rst_gpio_num != GPIO_NUM_NC) {
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const gpio_config_t rst_gpio_config = {
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.mode = GPIO_MODE_OUTPUT,
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.pin_bit_mask = BIT64(cst816s->config.rst_gpio_num)
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};
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ESP_GOTO_ON_ERROR(gpio_config(&rst_gpio_config), err, TAG, "GPIO reset config failed");
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}
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/* Reset controller */
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ESP_GOTO_ON_ERROR(reset(cst816s), err, TAG, "Reset failed");
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/* Read product id */
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ESP_GOTO_ON_ERROR(read_id(cst816s), err, TAG, "Read version failed");
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*tp = cst816s;
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AutoSleep(false);
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return ESP_OK;
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err:
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if (cst816s) {
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del(cst816s);
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}
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ESP_LOGE(TAG, "Initialization failed!");
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return ret;
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}
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static esp_err_t read_data(esp_lcd_touch_handle_t tp)
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{
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typedef struct {
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uint8_t num;
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uint8_t x_h : 4;
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uint8_t : 4;
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uint8_t x_l;
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uint8_t y_h : 4;
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uint8_t : 4;
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uint8_t y_l;
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} data_t;
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data_t point;
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ESP_RETURN_ON_ERROR(i2c_read_bytes(tp, DATA_START_REG, (uint8_t *)&point, sizeof(data_t)), TAG, "I2C read failed");
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portENTER_CRITICAL(&tp->data.lock);
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point.num = (point.num > POINT_NUM_MAX ? POINT_NUM_MAX : point.num);
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tp->data.points = point.num;
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/* Fill all coordinates */
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for (int i = 0; i < point.num; i++) {
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tp->data.coords[i].x = point.x_h << 8 | point.x_l;
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tp->data.coords[i].y = point.y_h << 8 | point.y_l;
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}
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portEXIT_CRITICAL(&tp->data.lock);
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return ESP_OK;
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}
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static bool get_xy(esp_lcd_touch_handle_t tp, uint16_t *x, uint16_t *y, uint16_t *strength, uint8_t *point_num, uint8_t max_point_num)
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{
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portENTER_CRITICAL(&tp->data.lock);
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/* Count of points */
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*point_num = (tp->data.points > max_point_num ? max_point_num : tp->data.points);
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for (size_t i = 0; i < *point_num; i++) {
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x[i] = tp->data.coords[i].x;
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y[i] = tp->data.coords[i].y;
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if (strength) {
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strength[i] = tp->data.coords[i].strength;
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}
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}
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/* Invalidate */
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tp->data.points = 0;
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portEXIT_CRITICAL(&tp->data.lock);
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return (*point_num > 0);
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}
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static esp_err_t del(esp_lcd_touch_handle_t tp)
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{
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/* Reset GPIO pin settings */
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if (tp->config.int_gpio_num != GPIO_NUM_NC) {
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gpio_reset_pin(tp->config.int_gpio_num);
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if (tp->config.interrupt_callback) {
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gpio_isr_handler_remove(tp->config.int_gpio_num);
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}
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}
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if (tp->config.rst_gpio_num != GPIO_NUM_NC) {
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gpio_reset_pin(tp->config.rst_gpio_num);
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}
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/* Release memory */
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free(tp);
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return ESP_OK;
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}
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static esp_err_t reset(esp_lcd_touch_handle_t tp)
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{
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Set_EXIO(TCA9554_EXIO1,false);
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vTaskDelay(pdMS_TO_TICKS(10));
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Set_EXIO(TCA9554_EXIO1,true);
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vTaskDelay(pdMS_TO_TICKS(50));
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return ESP_OK;
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}
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static esp_err_t read_id(esp_lcd_touch_handle_t tp)
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{
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uint8_t id;
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ESP_RETURN_ON_ERROR(i2c_read_bytes(tp, CHIP_ID_REG, &id, 1), TAG, "I2C read failed");
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ESP_LOGI(TAG, "IC id: %d", id);
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return ESP_OK;
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}
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/*!
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@brief Fall asleep automatically
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*/
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static void AutoSleep(bool Sleep_State) {
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uint8_t Sleep_State_Set = (uint8_t)(!Sleep_State);
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i2c_write_bytes(tp, AutoSleep_REG, &Sleep_State_Set, 1);
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}
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static esp_err_t i2c_read_bytes(esp_lcd_touch_handle_t tp, uint16_t reg, uint8_t *data, uint8_t len)
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{
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ESP_RETURN_ON_FALSE(data, ESP_ERR_INVALID_ARG, TAG, "Invalid data");
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return esp_lcd_panel_io_rx_param(tp->io, reg, data, len);
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}
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static esp_err_t i2c_write_bytes(esp_lcd_touch_handle_t tp, uint16_t reg, uint8_t* data, uint8_t len)
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{
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assert(tp != NULL);
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// *INDENT-OFF*
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/* Write data */
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return esp_lcd_panel_io_tx_param(tp->io, reg, data, len);
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// *INDENT-ON*
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}
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/**
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* @brief i2c master initialization
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*/
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esp_err_t Touch_I2C_Init(void)
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{
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int i2c_master_port = I2C_Touch_MASTER_NUM;
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i2c_config_t conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = I2C_Touch_SDA_IO,
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.scl_io_num = I2C_Touch_SCL_IO,
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.sda_pullup_en = GPIO_PULLUP_ENABLE,
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.scl_pullup_en = GPIO_PULLUP_ENABLE,
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.master.clk_speed = I2C_Touch_MASTER_FREQ_HZ,
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};
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i2c_param_config(i2c_master_port, &conf);
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return i2c_driver_install(i2c_master_port, conf.mode, I2C_MASTER_RX_BUF_DISABLE, I2C_MASTER_TX_BUF_DISABLE, 0);
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}
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/////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////////
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void Touch_Init(void)
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{
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ESP_ERROR_CHECK(Touch_I2C_Init());
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ESP_LOGI(TAG, "I2C initialized successfully");
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/********************* Touch *********************/
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esp_lcd_panel_io_handle_t tp_io_handle = NULL;
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esp_lcd_panel_io_i2c_config_t tp_io_config = ESP_LCD_TOUCH_IO_I2C_CST816_CONFIG();
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ESP_LOGI(TAG, "Initialize touch IO (I2C)");
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/* Touch IO handle */
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ESP_ERROR_CHECK(esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)I2C_Touch_MASTER_NUM, &tp_io_config, &tp_io_handle));
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esp_lcd_touch_config_t tp_cfg = {
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.x_max = EXAMPLE_LCD_WIDTH,
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.y_max = EXAMPLE_LCD_HEIGHT,
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.rst_gpio_num = I2C_Touch_RST_IO,
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.int_gpio_num = I2C_Touch_INT_IO,
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.flags = {
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.swap_xy = 0,
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.mirror_x = 0,
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.mirror_y = 0,
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},
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};
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/* Initialize touch */
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ESP_LOGI(TAG, "Initialize touch controller CST816");
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ESP_ERROR_CHECK(esp_lcd_touch_new_i2c_cst816(tp_io_handle, &tp_cfg, &tp));
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}
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@@ -0,0 +1,70 @@
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/**
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* @file
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* @brief ESP LCD touch: CST820
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*/
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#pragma once
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#include <inttypes.h>
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#include <stdio.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/gpio.h"
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#include "driver/i2c.h"
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#include "esp_system.h"
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#include "esp_err.h"
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#include "esp_log.h"
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#include "esp_check.h"
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#include "esp_lcd_panel_io.h"
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#include "esp_lcd_touch.h"
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#include "TCA9554PWR.h"
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#include "ST77916.h"
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/**
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* @brief Create a new CST816S touch driver
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*
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* @note The I2C communication should be initialized before use this function.
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*
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* @param io LCD panel IO handle, it should be created by `esp_lcd_new_panel_io_i2c()`
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* @param config Touch panel configuration
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* @param tp Touch panel handle
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* @return
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* - ESP_OK: on success
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*/
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esp_err_t esp_lcd_touch_new_i2c_cst816s(const esp_lcd_panel_io_handle_t io, const esp_lcd_touch_config_t *config, esp_lcd_touch_handle_t *tp);
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/**
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* @brief I2C address of the CST816S controller
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*
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*/
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#define ESP_LCD_TOUCH_IO_I2C_CST816S_ADDRESS (0x15)
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/**
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* @brief Touch IO configuration structure
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*
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*/
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#define ESP_LCD_TOUCH_IO_I2C_CST816_CONFIG() \
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{ \
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.dev_addr = ESP_LCD_TOUCH_IO_I2C_CST816S_ADDRESS, \
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.control_phase_bytes = 1, \
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.dc_bit_offset = 0, \
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.lcd_cmd_bits = 8, \
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.flags = \
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{ \
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.disable_control_phase = 1, \
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} \
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}
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// I2C settings
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#define I2C_Touch_SDA_IO 1 /*!< GPIO number used for I2C master data */
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#define I2C_Touch_SCL_IO 3 /*!< GPIO number used for I2C master clock */
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#define I2C_Touch_INT_IO 4 /*!< GPIO number used for I2C master data */
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#define I2C_Touch_RST_IO -1 /*!< GPIO number used for I2C master clock */
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#define I2C_Touch_MASTER_NUM 1 /*!< I2C master i2c port number, the number of i2c peripheral interfaces available will depend on the chip */
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#define I2C_Touch_MASTER_FREQ_HZ 400000 /*!< I2C master clock frequency */
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extern esp_lcd_touch_handle_t tp;
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void Touch_Init(void);
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@@ -0,0 +1,258 @@
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/*
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* SPDX-FileCopyrightText: 2015-2023 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <stdlib.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "driver/gpio.h"
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#include "esp_system.h"
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#include "esp_err.h"
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#include "esp_check.h"
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#include "esp_log.h"
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#include "esp_lcd_touch.h"
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static const char *TAG = "TP";
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/*******************************************************************************
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* Function definitions
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*******************************************************************************/
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/*******************************************************************************
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* Local variables
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*******************************************************************************/
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/*******************************************************************************
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* Public API functions
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*******************************************************************************/
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esp_err_t esp_lcd_touch_enter_sleep(esp_lcd_touch_handle_t tp)
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{
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assert(tp != NULL);
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if (tp->enter_sleep == NULL) {
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ESP_LOGE(TAG, "Sleep mode not supported!");
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return ESP_FAIL;
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} else {
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return tp->enter_sleep(tp);
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}
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}
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esp_err_t esp_lcd_touch_exit_sleep(esp_lcd_touch_handle_t tp)
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{
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assert(tp != NULL);
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if (tp->exit_sleep == NULL) {
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ESP_LOGE(TAG, "Sleep mode not supported!");
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return ESP_FAIL;
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} else {
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return tp->exit_sleep(tp);
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}
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}
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esp_err_t esp_lcd_touch_read_data(esp_lcd_touch_handle_t tp)
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{
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assert(tp != NULL);
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assert(tp->read_data != NULL);
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return tp->read_data(tp);
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}
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bool esp_lcd_touch_get_coordinates(esp_lcd_touch_handle_t tp, uint16_t *x, uint16_t *y, uint16_t *strength, uint8_t *point_num, uint8_t max_point_num)
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{
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bool touched = false;
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assert(tp != NULL);
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assert(x != NULL);
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assert(y != NULL);
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assert(tp->get_xy != NULL);
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touched = tp->get_xy(tp, x, y, strength, point_num, max_point_num);
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if (!touched) {
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return false;
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}
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/* Process coordinates by user */
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if (tp->config.process_coordinates != NULL) {
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tp->config.process_coordinates(tp, x, y, strength, point_num, max_point_num);
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}
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/* Software coordinates adjustment needed */
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bool sw_adj_needed = ((tp->config.flags.mirror_x && (tp->set_mirror_x == NULL)) ||
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(tp->config.flags.mirror_y && (tp->set_mirror_y == NULL)) ||
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(tp->config.flags.swap_xy && (tp->set_swap_xy == NULL)));
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/* Adjust all coordinates */
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for (int i = 0; (sw_adj_needed && i < *point_num); i++) {
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/* Mirror X coordinates (if not supported by HW) */
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if (tp->config.flags.mirror_x && tp->set_mirror_x == NULL) {
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x[i] = tp->config.x_max - x[i];
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}
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/* Mirror Y coordinates (if not supported by HW) */
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if (tp->config.flags.mirror_y && tp->set_mirror_y == NULL) {
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y[i] = tp->config.y_max - y[i];
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}
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/* Swap X and Y coordinates (if not supported by HW) */
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if (tp->config.flags.swap_xy && tp->set_swap_xy == NULL) {
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uint16_t tmp = x[i];
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x[i] = y[i];
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y[i] = tmp;
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}
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}
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return touched;
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}
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#if (CONFIG_ESP_LCD_TOUCH_MAX_BUTTONS > 0)
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esp_err_t esp_lcd_touch_get_button_state(esp_lcd_touch_handle_t tp, uint8_t n, uint8_t *state)
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{
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assert(tp != NULL);
|
||||
assert(state != NULL);
|
||||
|
||||
*state = 0;
|
||||
|
||||
if (tp->get_button_state) {
|
||||
return tp->get_button_state(tp, n, state);
|
||||
} else {
|
||||
return ESP_ERR_NOT_SUPPORTED;
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
}
|
||||
#endif
|
||||
|
||||
esp_err_t esp_lcd_touch_set_swap_xy(esp_lcd_touch_handle_t tp, bool swap)
|
||||
{
|
||||
assert(tp != NULL);
|
||||
|
||||
tp->config.flags.swap_xy = swap;
|
||||
|
||||
/* Is swap supported by HW? */
|
||||
if (tp->set_swap_xy) {
|
||||
return tp->set_swap_xy(tp, swap);
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
esp_err_t esp_lcd_touch_get_swap_xy(esp_lcd_touch_handle_t tp, bool *swap)
|
||||
{
|
||||
assert(tp != NULL);
|
||||
assert(swap != NULL);
|
||||
|
||||
/* Is swap supported by HW? */
|
||||
if (tp->get_swap_xy) {
|
||||
return tp->get_swap_xy(tp, swap);
|
||||
} else {
|
||||
*swap = tp->config.flags.swap_xy;
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
esp_err_t esp_lcd_touch_set_mirror_x(esp_lcd_touch_handle_t tp, bool mirror)
|
||||
{
|
||||
assert(tp != NULL);
|
||||
|
||||
tp->config.flags.mirror_x = mirror;
|
||||
|
||||
/* Is mirror supported by HW? */
|
||||
if (tp->set_mirror_x) {
|
||||
return tp->set_mirror_x(tp, mirror);
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
esp_err_t esp_lcd_touch_get_mirror_x(esp_lcd_touch_handle_t tp, bool *mirror)
|
||||
{
|
||||
assert(tp != NULL);
|
||||
assert(mirror != NULL);
|
||||
|
||||
/* Is swap supported by HW? */
|
||||
if (tp->get_mirror_x) {
|
||||
return tp->get_mirror_x(tp, mirror);
|
||||
} else {
|
||||
*mirror = tp->config.flags.mirror_x;
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
esp_err_t esp_lcd_touch_set_mirror_y(esp_lcd_touch_handle_t tp, bool mirror)
|
||||
{
|
||||
assert(tp != NULL);
|
||||
|
||||
tp->config.flags.mirror_y = mirror;
|
||||
|
||||
/* Is mirror supported by HW? */
|
||||
if (tp->set_mirror_y) {
|
||||
return tp->set_mirror_y(tp, mirror);
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
esp_err_t esp_lcd_touch_get_mirror_y(esp_lcd_touch_handle_t tp, bool *mirror)
|
||||
{
|
||||
assert(tp != NULL);
|
||||
assert(mirror != NULL);
|
||||
|
||||
/* Is swap supported by HW? */
|
||||
if (tp->get_mirror_y) {
|
||||
return tp->get_mirror_y(tp, mirror);
|
||||
} else {
|
||||
*mirror = tp->config.flags.mirror_y;
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
esp_err_t esp_lcd_touch_del(esp_lcd_touch_handle_t tp)
|
||||
{
|
||||
assert(tp != NULL);
|
||||
|
||||
if (tp->del != NULL) {
|
||||
return tp->del(tp);
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
}
|
||||
|
||||
esp_err_t esp_lcd_touch_register_interrupt_callback(esp_lcd_touch_handle_t tp, esp_lcd_touch_interrupt_callback_t callback)
|
||||
{
|
||||
esp_err_t ret = ESP_OK;
|
||||
assert(tp != NULL);
|
||||
|
||||
/* Interrupt pin is not selected */
|
||||
if (tp->config.int_gpio_num == GPIO_NUM_NC) {
|
||||
return ESP_ERR_INVALID_ARG;
|
||||
}
|
||||
|
||||
tp->config.interrupt_callback = callback;
|
||||
|
||||
if (callback != NULL) {
|
||||
ret = gpio_install_isr_service(0);
|
||||
/* ISR service can be installed from user before, then it returns invalid state */
|
||||
if (ret != ESP_OK && ret != ESP_ERR_INVALID_STATE) {
|
||||
ESP_LOGE(TAG, "GPIO ISR install failed");
|
||||
return ret;
|
||||
}
|
||||
/* Add GPIO ISR handler */
|
||||
ret = gpio_intr_enable(tp->config.int_gpio_num);
|
||||
ESP_RETURN_ON_ERROR(ret, TAG, "GPIO ISR install failed");
|
||||
ret = gpio_isr_handler_add(tp->config.int_gpio_num, (gpio_isr_t)tp->config.interrupt_callback, tp);
|
||||
ESP_RETURN_ON_ERROR(ret, TAG, "GPIO ISR install failed");
|
||||
} else {
|
||||
/* Remove GPIO ISR handler */
|
||||
ret = gpio_isr_handler_remove(tp->config.int_gpio_num);
|
||||
ESP_RETURN_ON_ERROR(ret, TAG, "GPIO ISR remove handler failed");
|
||||
ret = gpio_intr_disable(tp->config.int_gpio_num);
|
||||
ESP_RETURN_ON_ERROR(ret, TAG, "GPIO ISR disable failed");
|
||||
}
|
||||
|
||||
return ESP_OK;
|
||||
}
|
||||
@@ -0,0 +1,413 @@
|
||||
/*
|
||||
* SPDX-FileCopyrightText: 2022-2023 Espressif Systems (Shanghai) CO LTD
|
||||
*
|
||||
* SPDX-License-Identifier: Apache-2.0
|
||||
*/
|
||||
|
||||
/**
|
||||
* @file
|
||||
* @brief ESP LCD touch
|
||||
*/
|
||||
|
||||
#pragma once
|
||||
|
||||
#include <stdbool.h>
|
||||
#include "sdkconfig.h"
|
||||
#include "esp_err.h"
|
||||
#include "driver/gpio.h"
|
||||
#include "esp_lcd_panel_io.h"
|
||||
#include "freertos/FreeRTOS.h"
|
||||
#include "freertos/semphr.h"
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
#define CONFIG_ESP_LCD_TOUCH_MAX_POINTS 2
|
||||
/**
|
||||
* @brief Touch controller type
|
||||
*
|
||||
*/
|
||||
typedef struct esp_lcd_touch_s esp_lcd_touch_t;
|
||||
typedef esp_lcd_touch_t *esp_lcd_touch_handle_t;
|
||||
|
||||
/**
|
||||
* @brief Touch controller interrupt callback type
|
||||
*
|
||||
*/
|
||||
typedef void (*esp_lcd_touch_interrupt_callback_t)(esp_lcd_touch_handle_t tp);
|
||||
|
||||
/**
|
||||
* @brief Touch Configuration Type
|
||||
*
|
||||
*/
|
||||
typedef struct {
|
||||
uint16_t x_max; /*!< X coordinates max (for mirroring) */
|
||||
uint16_t y_max; /*!< Y coordinates max (for mirroring) */
|
||||
|
||||
gpio_num_t rst_gpio_num; /*!< GPIO number of reset pin */
|
||||
gpio_num_t int_gpio_num; /*!< GPIO number of interrupt pin */
|
||||
|
||||
struct {
|
||||
unsigned int reset: 1; /*!< Level of reset pin in reset */
|
||||
unsigned int interrupt: 1;/*!< Active Level of interrupt pin */
|
||||
} levels;
|
||||
|
||||
struct {
|
||||
unsigned int swap_xy: 1; /*!< Swap X and Y after read coordinates */
|
||||
unsigned int mirror_x: 1; /*!< Mirror X after read coordinates */
|
||||
unsigned int mirror_y: 1; /*!< Mirror Y after read coordinates */
|
||||
} flags;
|
||||
|
||||
/*!< User callback called after get coordinates from touch controller for apply user adjusting */
|
||||
void (*process_coordinates)(esp_lcd_touch_handle_t tp, uint16_t *x, uint16_t *y, uint16_t *strength, uint8_t *point_num, uint8_t max_point_num);
|
||||
/*!< User callback called after the touch interrupt occured */
|
||||
esp_lcd_touch_interrupt_callback_t interrupt_callback;
|
||||
} esp_lcd_touch_config_t;
|
||||
|
||||
typedef struct {
|
||||
uint8_t points; /*!< Count of touch points saved */
|
||||
|
||||
struct {
|
||||
uint16_t x; /*!< X coordinate */
|
||||
uint16_t y; /*!< Y coordinate */
|
||||
uint16_t strength; /*!< Strength */
|
||||
} coords[CONFIG_ESP_LCD_TOUCH_MAX_POINTS];
|
||||
|
||||
#if (CONFIG_ESP_LCD_TOUCH_MAX_BUTTONS > 0)
|
||||
uint8_t buttons; /*!< Count of buttons states saved */
|
||||
|
||||
struct {
|
||||
uint8_t status; /*!< Status of button */
|
||||
} button[CONFIG_ESP_LCD_TOUCH_MAX_BUTTONS];
|
||||
#endif
|
||||
|
||||
portMUX_TYPE lock; /*!< Lock for read/write */
|
||||
} esp_lcd_touch_data_t;
|
||||
|
||||
/**
|
||||
* @brief Declare of Touch Type
|
||||
*
|
||||
*/
|
||||
struct esp_lcd_touch_s {
|
||||
|
||||
/**
|
||||
* @brief set touch controller into sleep mode
|
||||
*
|
||||
* @note This function is usually blocking.
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*enter_sleep)(esp_lcd_touch_handle_t tp);
|
||||
|
||||
/**
|
||||
* @brief set touch controller into normal mode
|
||||
*
|
||||
* @note This function is usually blocking.
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*exit_sleep)(esp_lcd_touch_handle_t tp);
|
||||
|
||||
/**
|
||||
* @brief Read data from touch controller (mandatory)
|
||||
*
|
||||
* @note This function is usually blocking.
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*read_data)(esp_lcd_touch_handle_t tp);
|
||||
|
||||
/**
|
||||
* @brief Get coordinates from touch controller (mandatory)
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param x: Array of X coordinates
|
||||
* @param y: Array of Y coordinates
|
||||
* @param strength: Array of strengths
|
||||
* @param point_num: Count of points touched (equals with count of items in x and y array)
|
||||
* @param max_point_num: Maximum count of touched points to return (equals with max size of x and y array)
|
||||
*
|
||||
* @return
|
||||
* - Returns true, when touched and coordinates readed. Otherwise returns false.
|
||||
*/
|
||||
bool (*get_xy)(esp_lcd_touch_handle_t tp, uint16_t *x, uint16_t *y, uint16_t *strength, uint8_t *point_num, uint8_t max_point_num);
|
||||
|
||||
|
||||
#if (CONFIG_ESP_LCD_TOUCH_MAX_BUTTONS > 0)
|
||||
/**
|
||||
* @brief Get button state (optional)
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param n: Button index
|
||||
* @param state: Button state
|
||||
*
|
||||
* @return
|
||||
* - Returns true, when touched and coordinates readed. Otherwise returns false.
|
||||
*/
|
||||
esp_err_t (*get_button_state)(esp_lcd_touch_handle_t tp, uint8_t n, uint8_t *state);
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Swap X and Y after read coordinates (optional)
|
||||
* If set, then not used SW swapping.
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param swap: Set swap value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*set_swap_xy)(esp_lcd_touch_handle_t tp, bool swap);
|
||||
|
||||
/**
|
||||
* @brief Are X and Y coordinates swapped (optional)
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param swap: Get swap value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*get_swap_xy)(esp_lcd_touch_handle_t tp, bool *swap);
|
||||
|
||||
/**
|
||||
* @brief Mirror X after read coordinates
|
||||
* If set, then not used SW mirroring.
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param mirror: Set X mirror value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*set_mirror_x)(esp_lcd_touch_handle_t tp, bool mirror);
|
||||
|
||||
/**
|
||||
* @brief Is mirrored X (optional)
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param mirror: Get X mirror value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*get_mirror_x)(esp_lcd_touch_handle_t tp, bool *mirror);
|
||||
|
||||
/**
|
||||
* @brief Mirror Y after read coordinates
|
||||
* If set, then not used SW mirroring.
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param mirror: Set Y mirror value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*set_mirror_y)(esp_lcd_touch_handle_t tp, bool mirror);
|
||||
|
||||
/**
|
||||
* @brief Is mirrored Y (optional)
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param mirror: Get Y mirror value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*get_mirror_y)(esp_lcd_touch_handle_t tp, bool *mirror);
|
||||
|
||||
/**
|
||||
* @brief Delete Touch
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success, otherwise returns ESP_ERR_xxx
|
||||
*/
|
||||
esp_err_t (*del)(esp_lcd_touch_handle_t tp);
|
||||
|
||||
/**
|
||||
* @brief Configuration structure
|
||||
*/
|
||||
esp_lcd_touch_config_t config;
|
||||
|
||||
/**
|
||||
* @brief Communication interface
|
||||
*/
|
||||
esp_lcd_panel_io_handle_t io;
|
||||
|
||||
/**
|
||||
* @brief Data structure
|
||||
*/
|
||||
esp_lcd_touch_data_t data;
|
||||
};
|
||||
|
||||
/**
|
||||
* @brief Read data from touch controller
|
||||
*
|
||||
* @note This function is usually blocking.
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
* - ESP_ERR_INVALID_ARG parameter error
|
||||
* - ESP_FAIL sending command error, slave hasn't ACK the transfer
|
||||
* - ESP_ERR_INVALID_STATE I2C driver not installed or not in master mode
|
||||
* - ESP_ERR_TIMEOUT operation timeout because the bus is busy
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_read_data(esp_lcd_touch_handle_t tp);
|
||||
|
||||
/**
|
||||
* @brief Read coordinates from touch controller
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param x: Array of X coordinates
|
||||
* @param y: Array of Y coordinates
|
||||
* @param strength: Array of the strengths (can be NULL)
|
||||
* @param point_num: Count of points touched (equals with count of items in x and y array)
|
||||
* @param max_point_num: Maximum count of touched points to return (equals with max size of x and y array)
|
||||
*
|
||||
* @return
|
||||
* - Returns true, when touched and coordinates readed. Otherwise returns false.
|
||||
*/
|
||||
bool esp_lcd_touch_get_coordinates(esp_lcd_touch_handle_t tp, uint16_t *x, uint16_t *y, uint16_t *strength, uint8_t *point_num, uint8_t max_point_num);
|
||||
|
||||
|
||||
#if (CONFIG_ESP_LCD_TOUCH_MAX_BUTTONS > 0)
|
||||
/**
|
||||
* @brief Get button state
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param n: Button index
|
||||
* @param state: Button state
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
* - ESP_ERR_NOT_SUPPORTED if this function is not supported by controller
|
||||
* - ESP_ERR_INVALID_ARG if bad button index
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_get_button_state(esp_lcd_touch_handle_t tp, uint8_t n, uint8_t *state);
|
||||
#endif
|
||||
|
||||
/**
|
||||
* @brief Swap X and Y after read coordinates
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param swap: Set swap value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_set_swap_xy(esp_lcd_touch_handle_t tp, bool swap);
|
||||
|
||||
/**
|
||||
* @brief Are X and Y coordinates swapped
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param swap: Get swap value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_get_swap_xy(esp_lcd_touch_handle_t tp, bool *swap);
|
||||
|
||||
/**
|
||||
* @brief Mirror X after read coordinates
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param mirror: Set X mirror value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_set_mirror_x(esp_lcd_touch_handle_t tp, bool mirror);
|
||||
|
||||
/**
|
||||
* @brief Is mirrored X
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param mirror: Get X mirror value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_get_mirror_x(esp_lcd_touch_handle_t tp, bool *mirror);
|
||||
|
||||
/**
|
||||
* @brief Mirror Y after read coordinates
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param mirror: Set Y mirror value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_set_mirror_y(esp_lcd_touch_handle_t tp, bool mirror);
|
||||
|
||||
/**
|
||||
* @brief Is mirrored Y
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param mirror: Get Y mirror value
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_get_mirror_y(esp_lcd_touch_handle_t tp, bool *mirror);
|
||||
|
||||
/**
|
||||
* @brief Delete touch (free all allocated memory and restart HW)
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_del(esp_lcd_touch_handle_t tp);
|
||||
|
||||
/**
|
||||
* @brief Register user callback called after the touch interrupt occured
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
* @param callback: Interrupt callback
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_register_interrupt_callback(esp_lcd_touch_handle_t tp, esp_lcd_touch_interrupt_callback_t callback);
|
||||
|
||||
/**
|
||||
* @brief Enter sleep mode
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
* - ESP_ERR_INVALID_ARG if parameter is invalid
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_enter_sleep(esp_lcd_touch_handle_t tp);
|
||||
|
||||
/**
|
||||
* @brief Exit sleep mode
|
||||
*
|
||||
* @param tp: Touch handler
|
||||
*
|
||||
* @return
|
||||
* - ESP_OK on success
|
||||
* - ESP_ERR_INVALID_ARG if parameter is invalid
|
||||
*/
|
||||
esp_err_t esp_lcd_touch_exit_sleep(esp_lcd_touch_handle_t tp);
|
||||
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
Reference in New Issue
Block a user