static void ICACHE_RAM_ATTR platform_gpio_intr_dispatcher (void *dummy){
uint32 j=0;
uint32 gpio_status = GPIO_REG_READ(GPIO_STATUS_ADDRESS);
uint32 now = system_get_time();
UNUSED(dummy);
#ifdef GPIO_INTERRUPT_HOOK_ENABLE
if (gpio_status & platform_gpio_hook.all_bits) {
for (j = 0; j < platform_gpio_hook.count; j++) {
if (gpio_status & platform_gpio_hook.entry[j].bits)
gpio_status = (platform_gpio_hook.entry[j].func)(gpio_status);
}
}
#endif
/*
* gpio_status is a bit map where bit 0 is set if unmapped gpio pin 0 (pin3) has
* triggered the ISR. bit 1 if unmapped gpio pin 1 (pin10=U0TXD), etc. Since this
* is the ISR, it makes sense to optimize this by doing a fast scan of the status
* and reverse mapping any set bits.
*/
for (j = 0; gpio_status>0; j++, gpio_status >>= 1) {
if (gpio_status&1) {
int i = pin_num_inv[j];
if (pin_int_type[i]) {
//disable interrupt
gpio_pin_intr_state_set(GPIO_ID_PIN(j), GPIO_PIN_INTR_DISABLE);
//clear interrupt status
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, BIT(j));
uint32 level = 0x1 & GPIO_INPUT_GET(GPIO_ID_PIN(j));
task_post_high (gpio_task_handle, (now << 8) + (i<<1) + level);
// We re-enable the interrupt when we execute the callback
}
}
}
}
static void ICACHE_RAM_ATTR platform_gpio_intr_dispatcher (void *dummy){
uint32 j=0;
uint32 gpio_status = GPIO_REG_READ(GPIO_STATUS_ADDRESS);
uint32 now = system_get_time();
UNUSED(dummy);
#ifdef GPIO_INTERRUPT_HOOK_ENABLE
if (gpio_status & platform_gpio_hook.all_bits) {
for (j = 0; j < platform_gpio_hook.count; j++) {
if (gpio_status & platform_gpio_hook.entry[j].bits)
gpio_status = (platform_gpio_hook.entry[j].func)(gpio_status);
}
}
#endif
/*
* gpio_status is a bit map where bit 0 is set if unmapped gpio pin 0 (pin3) has
* triggered the ISR. bit 1 if unmapped gpio pin 1 (pin10=U0TXD), etc. Since this
* is the ISR, it makes sense to optimize this by doing a fast scan of the status
* and reverse mapping any set bits.
*/
for (j = 0; gpio_status>0; j++, gpio_status >>= 1) {
if (gpio_status&1) {
int i = pin_num_inv[j];
if (pin_int_type[i]) {
uint16_t diff = pin_counter[i].seen ^ pin_counter[i].reported;
pin_counter[i].seen = 0x7fff & (pin_counter[i].seen + 1);
if (INTERRUPT_TYPE_IS_LEVEL(pin_int_type[i])) {
//disable interrupt
gpio_pin_intr_state_set(GPIO_ID_PIN(j), GPIO_PIN_INTR_DISABLE);
}
//clear interrupt status
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, BIT(j));
if (diff == 0 || diff & 0x8000) {
uint32 level = 0x1 & GPIO_INPUT_GET(GPIO_ID_PIN(j));
if (!task_post_high (gpio_task_handle, (now << 8) + (i<<1) + level)) {
// If we fail to post, then try on the next interrupt
pin_counter[i].seen |= 0x8000;
}
// We re-enable the interrupt when we execute the callback (if level)
}
} else {
// this is an unexpected interrupt so shut it off for now
gpio_pin_intr_state_set(GPIO_ID_PIN(j), GPIO_PIN_INTR_DISABLE);
GPIO_REG_WRITE(GPIO_STATUS_W1TC_ADDRESS, BIT(j));
}
}
}
}
