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cpu: samd21: fix gpio irq handling compile handling #2865

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merged 1 commit into from
May 26, 2015
Merged

cpu: samd21: fix gpio irq handling compile handling #2865

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74 changes: 8 additions & 66 deletions cpu/samd21/periph/gpio.c
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Original file line number Diff line number Diff line change
Expand Up @@ -36,7 +36,8 @@ typedef struct {
void *arg; /**< argument passed to the callback */
} gpio_state_t;

static gpio_state_t gpio_config[GPIO_NUMOF];
#define EXTI_NUMOF 16
static gpio_state_t gpio_config[EXTI_NUMOF];

int gpio_init_out(gpio_t dev, gpio_pp_t pushpull)
{
Expand Down Expand Up @@ -1034,72 +1035,13 @@ void gpio_write(gpio_t dev, int value)
void isr_eic(void)
{
uint16_t status = EIC->INTFLAG.reg;
switch (status) {
case EIC_INTFLAG_EXTINT0:
gpio_config[0].cb(gpio_config[0].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT0;
break;
case EIC_INTFLAG_EXTINT1:
gpio_config[1].cb(gpio_config[1].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT1;
break;
case EIC_INTFLAG_EXTINT2:
gpio_config[2].cb(gpio_config[2].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT2;
break;
case EIC_INTFLAG_EXTINT3:
gpio_config[3].cb(gpio_config[3].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT3;
break;
case EIC_INTFLAG_EXTINT4:
gpio_config[4].cb(gpio_config[4].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT4;
break;
case EIC_INTFLAG_EXTINT5:
gpio_config[5].cb(gpio_config[5].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT5;
break;
case EIC_INTFLAG_EXTINT6:
gpio_config[6].cb(gpio_config[6].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT6;
break;
case EIC_INTFLAG_EXTINT7:
gpio_config[7].cb(gpio_config[7].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT7;
break;
case EIC_INTFLAG_EXTINT8:
gpio_config[8].cb(gpio_config[8].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT8;
break;
case EIC_INTFLAG_EXTINT9:
gpio_config[9].cb(gpio_config[9].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT9;
break;
case EIC_INTFLAG_EXTINT10:
gpio_config[10].cb(gpio_config[10].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT10;
break;
case EIC_INTFLAG_EXTINT11:
gpio_config[11].cb(gpio_config[11].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT11;
break;
case EIC_INTFLAG_EXTINT12:
gpio_config[12].cb(gpio_config[12].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT12;
break;
case EIC_INTFLAG_EXTINT13:
gpio_config[13].cb(gpio_config[13].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT13;
break;
case EIC_INTFLAG_EXTINT14:
gpio_config[14].cb(gpio_config[14].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT14;
break;
case EIC_INTFLAG_EXTINT15:
gpio_config[15].cb(gpio_config[15].arg);
EIC->INTFLAG.reg = EIC_INTFLAG_EXTINT15;
break;
for (int i = 0; i < 16; i++) {
if (status & (0x1<<i)) {
gpio_config[i].cb(gpio_config[i].arg);
EIC->INTFLAG.reg = 0x1 << i;
}
}

if (sched_context_switch_request) {
thread_yield();
}
Expand Down