Tactility/Devices/m5stack-tab5/Source/devices/devices_v2_v3_touch.cpp
Shadowtrance 85fe1a319a
Tab5 ST7121 variant + fixes (#605)
Added the newest variant to the tab5, St7121.
Fixed variant detection reliability
Fixed tab5 camera WHO_AM_I failing sometimes
Fixed tab5 keyboard live rotation on boot and after stopping/starting lvgl
2026-08-01 20:50:55 +02:00

49 lines
1.4 KiB
C++

#include "devices_v2_v3_touch.h"
#include "devices_common.h"
#include <tactility/device.h>
#include <tactility/drivers/gpio.h>
#include <tactility/log.h>
#include <drivers/st7123_touch.h>
constexpr auto* TAG = "Tab5";
static St7123TouchConfig st7123_touch_config {};
static Device st7123_touch_device {};
void create_st7123_touch(Device* i2c0) {
st7123_touch_device = Device {
.address = 0,
.name = "touch0",
.config = nullptr,
.parent = nullptr,
.internal = nullptr,
};
GpioPinSpec pin_interrupt = GPIO_PIN_SPEC_NONE;
Device* gpio0 = nullptr;
if (device_get_by_name("gpio0", &gpio0) == ERROR_NONE) {
pin_interrupt = GpioPinSpec { gpio0, 23, GPIO_FLAG_NONE };
device_put(gpio0);
} else {
LOG_W(TAG, "display_detect: gpio0 not found, touch interrupt pin will not be wired");
}
st7123_touch_config = St7123TouchConfig {
.address = 0x55, // fixed - see ESP_LCD_TOUCH_IO_I2C_ST7123_ADDRESS
.x_max = 720,
.y_max = 1280,
.swap_xy = false,
.mirror_x = false,
.mirror_y = false,
// Reset is pulsed via io_expander0 (detect.cpp's pulse_display_reset_pins), not a direct SoC GPIO.
.pin_reset = GPIO_PIN_SPEC_NONE,
.pin_interrupt = pin_interrupt,
};
st7123_touch_device.config = &st7123_touch_config;
construct_add_start(&st7123_touch_device, i2c0, "sitronix,st7123-touch");
}