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driver/gpio: support wakeup function for RTC IOs

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This commit is contained in:
Ivan Grokhotkov
2018-08-14 01:57:32 +03:00
parent 5c3ca78a07
commit 1c5522575e
4 changed files with 97 additions and 40 deletions
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components/driver/gpio.c
+7 -4
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@@ -423,16 +423,19 @@ esp_err_t gpio_isr_register(void (*fn)(void*), void * arg, int intr_alloc_flags,
return esp_intr_alloc(ETS_GPIO_INTR_SOURCE, intr_alloc_flags, fn, arg, handle);
}
/*only level interrupt can be used for wake-up function*/
esp_err_t gpio_wakeup_enable(gpio_num_t gpio_num, gpio_int_type_t intr_type)
{
GPIO_CHECK(GPIO_IS_VALID_GPIO(gpio_num), "GPIO number error", ESP_ERR_INVALID_ARG);
esp_err_t ret = ESP_OK;
if (( intr_type == GPIO_INTR_LOW_LEVEL ) || ( intr_type == GPIO_INTR_HIGH_LEVEL )) {
GPIO.pin[gpio_num].int_type = intr_type;
GPIO.pin[gpio_num].wakeup_enable = 0x1;
if (RTC_GPIO_IS_VALID_GPIO(gpio_num)) {
ret = rtc_gpio_wakeup_enable(gpio_num, intr_type);
} else {
GPIO.pin[gpio_num].int_type = intr_type;
GPIO.pin[gpio_num].wakeup_enable = 0x1;
}
} else {
ESP_LOGE(GPIO_TAG, "GPIO wakeup only support Level mode,but edge mode set. gpio_num:%u", gpio_num);
ESP_LOGE(GPIO_TAG, "GPIO wakeup only supports level mode, but edge mode set. gpio_num:%u", gpio_num);
ret = ESP_ERR_INVALID_ARG;
}
return ret;