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[beken-72xx] Add support for CHANGE interrupts (#34)

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* [beken-72xx] Added support for ANY_EDGE interrupts

* clang format

* PR comments

* Update wiring_irq.c

Co-authored-by: Kuba Szczodrzyński <kuba@szczodrzynski.pl>
This commit is contained in:
Stroe Andrei Catalin
2022-10-21 23:19:10 +03:00
committed by GitHub
parent a79a2d60d3
commit 8a4392bb22
1 changed files with 23 additions and 0 deletions
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23
arduino/beken-72xx/cores/arduino/wiring_irq.c
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@@ -4,6 +4,7 @@
static void *irqHandlerList[PINS_COUNT] = {NULL};
static void *irqHandlerArgs[PINS_COUNT] = {NULL};
static bool irqChangeList[PINS_COUNT];
static void irqHandler(unsigned char gpio) {
int pin = -1;
@@ -17,6 +18,15 @@ static void irqHandler(unsigned char gpio) {
return;
if (!irqHandlerList[pin])
return;
if (irqChangeList[pin]) {
if (pinTable[pin].mode == INPUT_PULLDOWN) {
pinTable[pin].mode = INPUT_PULLUP;
gpio_int_enable(pinTable[pin].gpio, GPIO_INT_LEVEL_FALLING, irqHandler);
} else if (pinTable[pin].mode == INPUT_PULLUP) {
pinTable[pin].mode = INPUT_PULLDOWN;
gpio_int_enable(pinTable[pin].gpio, GPIO_INT_LEVEL_RISING, irqHandler);
}
}
if (irqHandlerArgs[pin] == NULL) {
((voidFuncPtr)irqHandlerList[pin])();
} else {
@@ -36,28 +46,40 @@ void attachInterruptParam(pin_size_t interruptNumber, voidFuncPtrParam callback,
return;
uint32_t event = 0;
PinMode modeNew = 0;
bool change = 0;
switch (mode) {
case LOW:
event = GPIO_INT_LEVEL_LOW;
modeNew = INPUT_PULLUP;
change = false;
break;
case HIGH:
event = GPIO_INT_LEVEL_HIGH;
modeNew = INPUT_PULLDOWN;
change = false;
break;
case FALLING:
event = GPIO_INT_LEVEL_FALLING;
modeNew = INPUT_PULLUP;
change = false;
break;
case RISING:
event = GPIO_INT_LEVEL_RISING;
modeNew = INPUT_PULLDOWN;
change = false;
break;
case CHANGE:
event = GPIO_INT_LEVEL_FALLING;
modeNew = INPUT_PULLUP;
change = true;
break;
default:
return;
}
irqHandlerList[interruptNumber] = callback;
irqHandlerArgs[interruptNumber] = param;
irqChangeList[interruptNumber] = change;
gpio_int_enable(pin->gpio, event, irqHandler);
pin->enabled |= PIN_IRQ | PIN_GPIO;
pin->mode = modeNew;
@@ -71,6 +93,7 @@ void detachInterrupt(pin_size_t interruptNumber) {
return;
irqHandlerList[interruptNumber] = NULL;
irqHandlerArgs[interruptNumber] = NULL;
irqChangeList[interruptNumber] = false;
gpio_int_disable(pin->gpio);
pin->enabled &= ~PIN_IRQ;
}