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feat(ISR): implement attachInterruptParam #736

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feat(ISR): implement attachInterruptParam #736

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2 changes: 1 addition & 1 deletion .github/workflows/compile-examples.yml
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Original file line number Diff line number Diff line change
Expand Up @@ -264,7 +264,7 @@ jobs:
github-token: ${{ secrets.GITHUB_TOKEN }}

- name: Save memory usage change report as artifact
uses: actions/upload-artifact@v1
uses: actions/upload-artifact@v5
with:
name: sketches-reports
path: sketches-reports
18 changes: 15 additions & 3 deletions cores/arduino/WInterrupts.c
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Original file line number Diff line number Diff line change
Expand Up @@ -22,6 +22,7 @@
#include <string.h>

static voidFuncPtr ISRcallback[EXTERNAL_NUM_INTERRUPTS];
static void* ISRcallbackParams[EXTERNAL_NUM_INTERRUPTS];
static uint32_t ISRlist[EXTERNAL_NUM_INTERRUPTS];
static uint32_t nints; // Stores total number of attached interrupts

Expand Down Expand Up @@ -55,7 +56,7 @@ static void __initialize()
* \brief Specifies a named Interrupt Service Routine (ISR) to call when an interrupt occurs.
* Replaces any previous function that was attached to the interrupt.
*/
void attachInterrupt(pin_size_t pin, voidFuncPtr callback, PinStatus mode)
void attachInterruptParam(pin_size_t pin, voidFuncPtr callback, PinStatus mode, void* params)
{
static int enabled = 0;
uint32_t config;
Expand Down Expand Up @@ -101,7 +102,8 @@ void attachInterrupt(pin_size_t pin, voidFuncPtr callback, PinStatus mode)
nints++;
}
ISRlist[current] = inMask; // List of interrupt in order of when they were attached
ISRcallback[current] = callback; // List of callback adresses
ISRcallback[current] = callback; // List of callback
ISRcallbackParams[current] = params; // List of arguments to send to the callbacks

// Look for right CONFIG register to be addressed
if (in > EXTERNAL_INT_7) {
Expand Down Expand Up @@ -141,6 +143,15 @@ void attachInterrupt(pin_size_t pin, voidFuncPtr callback, PinStatus mode)
EIC->INTENSET.reg = EIC_INTENSET_EXTINT(inMask);
}

/*
* \brief Specifies a named Interrupt Service Routine (ISR) to call when an interrupt occurs.
* Replaces any previous function that was attached to the interrupt.
*/
void attachInterrupt(uint8_t pin, voidFuncPtr callback, PinStatus mode)
{
attachInterruptParam(pin, (voidFuncPtrParam)callback, mode, NULL);
}

/*
* \brief Turns off the given interrupt.
*/
Expand Down Expand Up @@ -173,6 +184,7 @@ void detachInterrupt(pin_size_t pin)
for (; current<nints-1; current++) {
ISRlist[current] = ISRlist[current+1];
ISRcallback[current] = ISRcallback[current+1];
ISRcallbackParams[current] = ISRcallbackParams[current+1];
}
nints--;
}
Expand All @@ -191,7 +203,7 @@ void EIC_Handler(void)
if ((EIC->INTFLAG.reg & ISRlist[i]) != 0)
{
// Call the callback function
ISRcallback[i]();
ISRcallback[i](ISRcallbackParams[i]);
// Clear the interrupt
EIC->INTFLAG.reg = ISRlist[i];
}
Expand Down
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