74 lines
1.9 KiB
C
74 lines
1.9 KiB
C
#include "board_2432s024_touch.h"
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#include <esp_lcd_touch_cst816s.h>
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#include <esp_err.h>
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#include <driver/i2c.h>
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#include <esp_check.h>
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#define CST816_I2C_PORT (0)
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const char* TAG = "cst816";
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static esp_err_t prv_init_io(esp_lcd_panel_io_handle_t* io_handle) {
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const i2c_config_t i2c_conf = {
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.mode = I2C_MODE_MASTER,
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.sda_io_num = GPIO_NUM_33,
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.sda_pullup_en = GPIO_PULLUP_DISABLE,
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.scl_io_num = GPIO_NUM_32,
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.scl_pullup_en = GPIO_PULLUP_DISABLE,
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.master.clk_speed = 400000
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};
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ESP_RETURN_ON_ERROR(
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i2c_param_config(CST816_I2C_PORT, &i2c_conf),
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TAG,
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"i2c config failed"
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);
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ESP_RETURN_ON_ERROR(
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i2c_driver_install(CST816_I2C_PORT, i2c_conf.mode, 0, 0, 0),
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TAG,
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"i2c driver install failed"
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);
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const esp_lcd_panel_io_i2c_config_t touch_io_config = ESP_LCD_TOUCH_IO_I2C_CST816S_CONFIG();
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ESP_RETURN_ON_ERROR(
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esp_lcd_new_panel_io_i2c((esp_lcd_i2c_bus_handle_t)CST816_I2C_PORT, &touch_io_config, io_handle),
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TAG,
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"esp_lcd_panel creation failed"
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);
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return ESP_OK;
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}
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static esp_err_t prv_create_touch(esp_lcd_panel_io_handle_t io_handle, esp_lcd_touch_handle_t* touch_handle) {
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esp_lcd_touch_config_t config = {
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.x_max = 240,
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.y_max = 320,
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.rst_gpio_num = GPIO_NUM_25,
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.int_gpio_num = GPIO_NUM_21,
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.levels = {
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.reset = 0,
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.interrupt = 0,
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},
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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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.interrupt_callback = NULL,
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};
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return esp_lcd_touch_new_i2c_cst816s(io_handle, &config, touch_handle);
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}
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nb_touch_driver_t board_2432s024_create_touch_driver() {
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nb_touch_driver_t driver = {
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.name = "cst816s_2432s024",
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.init_io = prv_init_io,
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.create_touch = &prv_create_touch
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};
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return driver;
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}
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