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add -1 functionality for touch IRQ

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This commit is contained in:
nasimovy 2025-04-20 08:32:57 +00:00
parent f30f5281c1
commit 15c2094bf9
2 changed files with 23 additions and 7 deletions
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28
src/input/TouchScreenCST226SE.cpp
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@ -30,8 +30,11 @@ void TouchScreenCST226SE::init()
for (uint8_t addr : PossibleAddresses) {
if (touch.begin(Wire, addr, I2C_SDA, I2C_SCL)) {
i2cAddress = addr;
attachInterrupt(
TOUCH_IRQ, []() { isPressed = true; }, FALLING);
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;
}
@ -42,20 +45,33 @@ void TouchScreenCST226SE::init()
bool TouchScreenCST226SE::getTouch(int16_t &x, int16_t &y)
{
if (!touch.isPressed()) {
return false;
bool pressed = false;
if (TOUCH_IRQ == -1) {
pressed = touch.isPressed();
} else {
if (!isPressed)
return false;
isPressed = false;
pressed = touch.isPressed();
}
if (!pressed)
return false;
int16_t x_array[1], y_array[1];
uint8_t touched = touch.getPoint(x_array, y_array, 1);
if (touched > 0) {
int16_t tx = x_array[0];
int16_t ty = y_array[0];
if (tx > (TFT_WIDTH + 10) && tx < (10) && ty > (TFT_HEIGHT + 10) && ty < (10)) {
LOG_DEBUG("TouchScreen touched %dx %dy", tx, ty);
if (tx > (TFT_WIDTH + 10) || tx < (10) || ty > (TFT_HEIGHT + 10) || ty < (10)) {
LOG_DEBUG("touch ignored");
return false;
}
x = tx;
y = ty;
LOG_DEBUG("TouchScreen touched %dx %dy", x, y);
LOG_DEBUG("TouchScreen filtered %dx %dy", x, y);
return true;
}
return false;

2
variants/tbeam/variant.h
View File

@ -53,7 +53,7 @@
#define HAS_CST226SE 1
#define HAS_TOUCHSCREEN 1
#define TOUCH_IRQ 35
// #define TOUCH_IRQ 35
#define ST7796_NSS 25
#define ST7796_RS 13 // DC