firmware/src/input/TouchScreenCST226SE.cpp
2025-04-20 17:29:06 +00:00

115 lines
3.2 KiB
C++

#include "TouchScreenCST226SE.h"
#include "variant.h"
#ifdef HAS_CST226SE
#ifndef TOUCH_IRQ
#define TOUCH_IRQ -1
#endif
#include "PowerFSM.h"
#include "Wire.h"
#include "configuration.h"
#include "modules/ExternalNotificationModule.h"
volatile bool isPressed = false;
TouchScreenCST226SE *TouchScreenCST226SE::instance = nullptr;
TouchScreenCST226SE *touchScreenCST226SE;
TouchScreenCST226SE::TouchScreenCST226SE(uint16_t width, uint16_t height) : TouchScreenBase("CST226", width, height)
{
instance = this;
}
void TouchScreenCST226SE::init()
{
touch.setPins(-1, TOUCH_IRQ);
touch.setTouchDrvModel(TouchDrv_CST226);
for (uint8_t addr : PossibleAddresses) {
if (touch.begin(Wire, addr, I2C_SDA, I2C_SCL)) {
i2cAddress = addr;
if (TOUCH_IRQ != -1) {
pinMode(TOUCH_IRQ, INPUT_PULLUP);
attachInterrupt(
TOUCH_IRQ, []() { isPressed = true; }, FALLING);
}
LOG_DEBUG("CST226SE init OK at address 0x%02X", addr);
return;
}
}
LOG_ERROR("CST226SE init failed at all known addresses");
}
bool TouchScreenCST226SE::getTouch(int16_t &x, int16_t &y)
{
int16_t x_array[1], y_array[1];
uint8_t touched = touch.getPoint(x_array, y_array, 1);
if (touched > 0) {
y = x_array[0];
x = (TFT_WIDTH - y_array[0]);
LOG_DEBUG("TouchScreen touch %dx %dy", x, y);
// Check bounds
if (x < 0 || x >= TFT_WIDTH || y < 0 || y >= TFT_HEIGHT) {
LOG_DEBUG("Touch ignored - Out of bounds");
return false;
}
return true; // Valid touch detected
}
return false; // No valid touch data
}
void TouchScreenCST226SE::onEvent(const TouchEvent &event)
{
LOG_DEBUG("Event triggerd");
InputEvent e;
e.source = event.source;
e.touchX = event.x;
e.touchY = event.y;
switch (event.touchEvent) {
case TOUCH_ACTION_LEFT: {
e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_RIGHT);
break;
}
case TOUCH_ACTION_RIGHT: {
e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_LEFT);
break;
}
case TOUCH_ACTION_UP: {
e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_UP);
break;
}
case TOUCH_ACTION_DOWN: {
e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_DOWN);
break;
}
case TOUCH_ACTION_DOUBLE_TAP: {
e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_SELECT);
break;
}
case TOUCH_ACTION_LONG_PRESS: {
e.inputEvent = static_cast<char>(meshtastic_ModuleConfig_CannedMessageConfig_InputEventChar_CANCEL);
break;
}
case TOUCH_ACTION_TAP: {
LOG_DEBUG("tipie tap");
if (moduleConfig.external_notification.enabled && (externalNotificationModule->nagCycleCutoff != UINT32_MAX)) {
externalNotificationModule->stopNow();
} else {
powerFSM.trigger(EVENT_INPUT);
}
break;
}
default:
return;
}
this->notifyObservers(&e);
}
#endif