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fixed touch buttons for ESP32 S2 and S3

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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
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27
wled00/button.cpp
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
}

13
wled00/cfg.cpp
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

1
wled00/fcn_declare.h
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);