98 lines
2.4 KiB
C++
98 lines
2.4 KiB
C++
#include "TdeckTouch.h"
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#include "esp_err.h"
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#include "esp_lcd_touch_gt911.h"
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#include "Log.h"
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#include "Kernel.h"
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#include "esp_lvgl_port.h"
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#define TAG "tdeck_touch"
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// Touch (GT911)
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#define TDECK_TOUCH_I2C_BUS_HANDLE I2C_NUM_0
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#define TDECK_TOUCH_X_MAX 240
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#define TDECK_TOUCH_Y_MAX 320
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#define TDECK_TOUCH_PIN_INT GPIO_NUM_16
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bool TdeckTouch::start(lv_display_t* display) {
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const esp_lcd_panel_io_i2c_config_t io_config = ESP_LCD_TOUCH_IO_I2C_GT911_CONFIG();
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// TODO: Revert on new ESP-IDF version
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static_assert(ESP_IDF_VERSION == ESP_IDF_VERSION_VAL(5, 3, 1));
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esp_lcd_new_panel_io_i2c(
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(esp_lcd_i2c_bus_handle_t)TDECK_TOUCH_I2C_BUS_HANDLE,
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&io_config,
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&ioHandle
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);
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/*
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if (
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esp_lcd_new_panel_io_i2c(
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(esp_lcd_i2c_bus_handle_t)TDECK_TOUCH_I2C_BUS_HANDLE,
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&touch_io_config,
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&ioHandle
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) != ESP_OK
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) {
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TT_LOG_E(TAG, "touch io i2c creation failed");
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return false;
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}
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*/
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esp_lcd_touch_config_t config = {
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.x_max = TDECK_TOUCH_X_MAX,
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.y_max = TDECK_TOUCH_Y_MAX,
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.rst_gpio_num = GPIO_NUM_NC,
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.int_gpio_num = TDECK_TOUCH_PIN_INT,
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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 = 1,
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.mirror_x = 1,
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.mirror_y = 0,
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},
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.process_coordinates = nullptr,
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.interrupt_callback = nullptr,
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.user_data = nullptr,
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.driver_data = nullptr
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};
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if (esp_lcd_touch_new_i2c_gt911(ioHandle, &config, &touchHandle) != ESP_OK) {
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TT_LOG_E(TAG, "GT199 driver init failed");
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// TODO: De-init IO
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return false;
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}
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const lvgl_port_touch_cfg_t touch_cfg = {
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.disp = display,
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.handle = touchHandle,
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};
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TT_LOG_I(TAG, "Adding touch to LVGL");
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deviceHandle = lvgl_port_add_touch(&touch_cfg);
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if (deviceHandle == nullptr) {
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TT_LOG_E(TAG, "Adding touch failed");
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return false;
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}
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return true;
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}
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bool TdeckTouch::stop() {
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if (esp_lcd_touch_del(touchHandle) == ESP_OK) {
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touchHandle = nullptr;
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} else {
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TT_LOG_E(TAG, "Deleting driver failed");
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return false;
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}
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if (esp_lcd_panel_io_del(ioHandle) == ESP_OK) {
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ioHandle = nullptr;
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} else {
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TT_LOG_E(TAG, "Deleting IO handle failed");
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return false;
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}
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return true;
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}
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