firmware/src/input/TouchScreenCST226SE.cpp
2025-04-19 13:22:15 +00:00

103 lines
2.7 KiB
C++

#include "TouchScreenCST226SE.h"
#include "variant.h"
#ifdef HAS_CST226SE
#include "PowerFSM.h"
#include "Wire.h"
#include "configuration.h"
#include "modules/ExternalNotificationModule.h"
volatile bool CST_IRQ = false;
TouchScreenCST226SE *touchScreenCST226SE;
TouchScreenCST226SE::TouchScreenCST226SE(uint16_t width, uint16_t height, bool (*getTouch)(int16_t *, int16_t *))
: TouchScreenBase("touchscreen1", width, height), _getTouch(getTouch)
{
}
void TouchScreenCST226SE::init()
{
for (uint8_t addr : PossibleAddresses) {
if (touch.begin(Wire, addr, I2C_SDA, I2C_SCL)) {
i2cAddress = addr;
#ifdef TOUCHSCREEN_INT
pinMode(TOUCHSCREEN_INT, INPUT);
attachInterrupt(
TOUCHSCREEN_INT, [] { CST_IRQ = true; }, RISING);
#endif
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)
{
if (!touch.isPressed())
return false;
int16_t x_array[1], y_array[1];
uint8_t count = touch.getPoint(x_array, y_array, 1);
if (count > 0) {
x = x_array[0];
y = y_array[0];
return true;
}
return false;
}
void TouchScreenCST226SE::onEvent(const TouchEvent &event)
{
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: {
if (moduleConfig.external_notification.enabled && (externalNotificationModule->nagCycleCutoff != UINT32_MAX)) {
externalNotificationModule->stopNow();
} else {
powerFSM.trigger(EVENT_INPUT);
}
break;
}
default:
return;
}
this->notifyObservers(&e);
}
#endif