void pyb_cc3000_enable_irq(void) {
DEBUG_printf("pyb_cc3000_enable_irq: en=%lu miss=%lu\n", exti14_enabled, exti14_missed);
if (exti14_missed) {
// doesn't look like this is needed
DEBUG_printf("pyb_cc3000_enable_irq: handling missed IRQ\n");
/*
// TODO hack if we have a pending IRQ
extern void SpiIntGPIOHandler(void);
*/
SpiIntGPIOHandler();
exti14_missed = 0;
}
exti14_enabled = 1;
}
STATIC mp_obj_t irq_callback(mp_obj_t line) {
led_toggle(2);
//extern void SpiIntGPIOHandler(void);
//extern uint32_t exti14_enabled;
//extern uint32_t exti14_missed;
//printf("-> EXTI14 en=%lu miss=%lu\n", exti14_enabled, exti14_missed);
if (exti14_enabled) {
exti14_missed = 0;
SpiIntGPIOHandler(); // CC3000 interrupt
} else {
exti14_missed = 1;
}
//printf("<- EXTI14 done\n");
return mp_const_none;
}
// EXTI
// for USRSW on A13
// for cc3000 on A14
void EXTI15_10_IRQHandler(void) {
// work out if it's A13 that had the interrupt
if (EXTI_GetITStatus(EXTI_Line13) != RESET) {
// this is used just to wake the device
EXTI_ClearITPendingBit(EXTI_Line13);
}
// work out if it's A14 that had the interrupt
if (EXTI_GetITStatus(EXTI_Line14) != RESET) {
led_toggle(PYB_LED_G2);
extern void SpiIntGPIOHandler(void);
extern uint32_t exti14_enabled;
extern uint32_t exti14_missed;
//printf("-> EXTI14 en=%lu miss=%lu\n", exti14_enabled, exti14_missed);
if (exti14_enabled) {
exti14_missed = 0;
SpiIntGPIOHandler(); // CC3000 interrupt
} else {
exti14_missed = 1;
}
EXTI_ClearITPendingBit(EXTI_Line14);
//printf("<- EXTI14 done\n");
}
}