fixed touch buttons for ESP32 S2 and S3

touch is implemented differently on S2 and S3, these changes make touch buttons work on S2 and S3
This commit is contained in:
Damian Schneider 2024-02-18 15:52:36 +01:00
parent d937d473f9
commit c8f48168b4
3 changed files with 35 additions and 6 deletions

View File

@ -99,11 +99,21 @@ bool isButtonPressed(uint8_t i)
case BTN_TYPE_TOUCH:
case BTN_TYPE_TOUCH_SWITCH:
#if defined(ARDUINO_ARCH_ESP32) && !defined(CONFIG_IDF_TARGET_ESP32C3)
if (digitalPinToTouchChannel(btnPin[i]) >= 0 && touchRead(pin) <= touchThreshold) return true;
#ifdef SOC_TOUCH_VERSION_2 //ESP32 S2 and S3 provide a function to check touch state (state is updated in interrupt)
if (touchInterruptGetLastStatus(pin))
{
return true;
}
#else
if (digitalPinToTouchChannel(btnPin[i]) >= 0 && touchRead(pin) <= touchThreshold)
{
return true;
}
#endif
#endif
break;
}
return false;
break;
}
return false;
}
void handleSwitch(uint8_t b)
@ -406,3 +416,12 @@ void handleIO()
offMode = true;
}
}
void IRAM_ATTR touchButtonISR()
{
#if defined SOC_TOUCH_VERSION_1 //ESP32 original
touchInterruptSetThresholdDirection(flase); //todo: need to flip direction, for that proably need to read current state or something.
#endif
// For S2 and S3: nothing to do, ISR is just used to update registers of HAL driver
}

View File

@ -228,6 +228,7 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
// read multiple button configuration
JsonObject btn_obj = hw["btn"];
CJSON(touchThreshold, btn_obj[F("tt")]);
bool pull = btn_obj[F("pull")] | (!disablePullUp); // if true, pullup is enabled
disablePullUp = !pull;
JsonArray hw_btn_ins = btn_obj["ins"];
@ -252,8 +253,16 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
btnPin[s] = -1;
pinManager.deallocatePin(pin,PinOwner::Button);
}
//if touch pin, enable the touch interrupt on ESP32 S2 & S3
#ifdef SOC_TOUCH_VERSION_2 // ESP32 S2 and S3 have a fucntion to check touch state but need to attach an interrupt to do so
else if ((buttonType[s] == BTN_TYPE_TOUCH || buttonType[s] == BTN_TYPE_TOUCH_SWITCH))
{
touchAttachInterrupt(btnPin[s], touchButtonISR, touchThreshold<<2); //threshold on Touch V2 is much higher (TODO: may need shift by 3 if very noisy)
}
#endif
else
#endif
#endif
{
if (disablePullUp) {
pinMode(btnPin[s], INPUT);
@ -299,7 +308,7 @@ bool deserializeConfig(JsonObject doc, bool fromFS) {
}
}
}
CJSON(touchThreshold,btn_obj[F("tt")]);
CJSON(buttonPublishMqtt,btn_obj["mqtt"]);
int hw_ir_pin = hw["ir"]["pin"] | -2; // 4

View File

@ -20,6 +20,7 @@ void doublePressAction(uint8_t b=0);
bool isButtonPressed(uint8_t b=0);
void handleButton();
void handleIO();
void IRAM_ATTR touchButtonISR();
//cfg.cpp
bool deserializeConfig(JsonObject doc, bool fromFS = false);