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Code Issues Releases Activity

[sam] attachInterrupt() now works also on pins that belongs to PORTD

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This commit is contained in:
Cristian Maglie 2013-02-02 17:14:30 +01:00
parent 3f105bcd00
commit 5edc110f61
2 changed files with 22 additions and 0 deletions
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1
build/shared/revisions.txt
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@ -16,6 +16,7 @@ ARDUINO 1.5.2 BETA - 2012.01.23
* Extended command line build flags * Extended command line build flags
[arduino core] [arduino core]
* sam: attachInterrupt() now works also on pins that belongs to PORTD
* sam: portOutputRegister() is now writeable. * sam: portOutputRegister() is now writeable.
* sam: fixed issue on weak-symbol for some interrupt handlers * sam: fixed issue on weak-symbol for some interrupt handlers
* sam: fixed BSoD on some Windows machine (louismdavis) * sam: fixed BSoD on some Windows machine (louismdavis)

21
hardware/arduino/sam/cores/arduino/WInterrupts.c
View File

@ -23,6 +23,7 @@ typedef void (*interruptCB)(void);
static interruptCB callbacksPioA[32]; static interruptCB callbacksPioA[32];
static interruptCB callbacksPioB[32]; static interruptCB callbacksPioB[32];
static interruptCB callbacksPioC[32]; static interruptCB callbacksPioC[32];
static interruptCB callbacksPioD[32];
/* Configure PIO interrupt sources */ /* Configure PIO interrupt sources */
static void __initialize() { static void __initialize() {
@ -31,6 +32,7 @@ static void __initialize() {
callbacksPioA[i] = NULL; callbacksPioA[i] = NULL;
callbacksPioB[i] = NULL; callbacksPioB[i] = NULL;
callbacksPioC[i] = NULL; callbacksPioC[i] = NULL;
callbacksPioD[i] = NULL;
} }
pmc_enable_periph_clk(ID_PIOA); pmc_enable_periph_clk(ID_PIOA);
@ -50,6 +52,12 @@ static void __initialize() {
NVIC_ClearPendingIRQ(PIOC_IRQn); NVIC_ClearPendingIRQ(PIOC_IRQn);
NVIC_SetPriority(PIOC_IRQn, 0); NVIC_SetPriority(PIOC_IRQn, 0);
NVIC_EnableIRQ(PIOC_IRQn); NVIC_EnableIRQ(PIOC_IRQn);
pmc_enable_periph_clk(ID_PIOD);
NVIC_DisableIRQ(PIOD_IRQn);
NVIC_ClearPendingIRQ(PIOD_IRQn);
NVIC_SetPriority(PIOD_IRQn, 0);
NVIC_EnableIRQ(PIOD_IRQn);
} }
@ -77,6 +85,8 @@ void attachInterrupt(uint32_t pin, void (*callback)(void), uint32_t mode)
callbacksPioB[pos] = callback; callbacksPioB[pos] = callback;
if (pio == PIOC) if (pio == PIOC)
callbacksPioC[pos] = callback; callbacksPioC[pos] = callback;
if (pio == PIOD)
callbacksPioD[pos] = callback;
// Configure the interrupt mode // Configure the interrupt mode
if (mode == CHANGE) { if (mode == CHANGE) {
@ -156,6 +166,17 @@ void PIOC_Handler(void) {
} }
} }
void PIOD_Handler(void) {
uint32_t isr = PIOD->PIO_ISR;
uint32_t i;
for (i=0; i<32; i++, isr>>=1) {
if ((isr & 0x1) == 0)
continue;
if (callbacksPioD[i])
callbacksPioD[i]();
}
}
#ifdef __cplusplus #ifdef __cplusplus
} }
#endif #endif