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https://github.com/ByteWelder/Tactility.git
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56 lines
2.1 KiB
C++
56 lines
2.1 KiB
C++
#include "Gt911Touch.h"
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#include <Tactility/Log.h>
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#include <Tactility/hal/i2c/I2c.h>
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#include <esp_lcd_touch_gt911.h>
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#include <esp_err.h>
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#define TAG "GT911"
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bool Gt911Touch::createIoHandle(esp_lcd_panel_io_handle_t& outHandle) {
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esp_lcd_panel_io_i2c_config_t io_config = ESP_LCD_TOUCH_IO_I2C_GT911_CONFIG();
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/**
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* When the interrupt pin is low, the address is 0x5D. Otherwise it is 0x14.
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* There is not reset pin, and the current driver fails when you only specify the interrupt pin.
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* Because of that, we don't use the interrupt pin and we'll simply scan the bus instead:
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*/
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if (tt::hal::i2c::masterHasDeviceAtAddress(configuration->port, ESP_LCD_TOUCH_IO_I2C_GT911_ADDRESS)) {
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io_config.dev_addr = ESP_LCD_TOUCH_IO_I2C_GT911_ADDRESS;
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} else if (tt::hal::i2c::masterHasDeviceAtAddress(configuration->port, ESP_LCD_TOUCH_IO_I2C_GT911_ADDRESS_BACKUP)) {
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io_config.dev_addr = ESP_LCD_TOUCH_IO_I2C_GT911_ADDRESS_BACKUP;
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} else {
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TT_LOG_E(TAG, "No device found on I2C bus");
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return false;
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}
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return esp_lcd_new_panel_io_i2c(configuration->port, &io_config, &outHandle) == ESP_OK;
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}
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bool Gt911Touch::createTouchHandle(esp_lcd_panel_io_handle_t ioHandle, const esp_lcd_touch_config_t& configuration, esp_lcd_touch_handle_t& panelHandle) {
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return esp_lcd_touch_new_i2c_gt911(ioHandle, &configuration, &panelHandle) == ESP_OK;
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}
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esp_lcd_touch_config_t Gt911Touch::createEspLcdTouchConfig() {
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return {
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.x_max = configuration->xMax,
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.y_max = configuration->yMax,
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.rst_gpio_num = configuration->pinReset,
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.int_gpio_num = configuration->pinInterrupt,
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.levels = {
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.reset = configuration->pinResetLevel,
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.interrupt = configuration->pinInterruptLevel,
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},
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.flags = {
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.swap_xy = configuration->swapXy,
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.mirror_x = configuration->mirrorX,
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.mirror_y = configuration->mirrorY,
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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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}
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