2021-05-24 00:09:38 +00:00
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/*
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* SPDX-FileCopyrightText: 2019-2021 Espressif Systems (Shanghai) CO LTD
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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2019-07-25 15:11:31 +00:00
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#include <string.h>
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#include "esp_log.h"
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#include "esp_err.h"
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#include "freertos/FreeRTOS.h"
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#include "freertos/semphr.h"
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#include "freertos/timers.h"
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#include "driver/rtc_io.h"
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#include "hal/rtc_io_hal.h"
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2021-02-05 09:10:44 +00:00
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static const char __attribute__((__unused__)) *RTCIO_TAG = "RTCIO";
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2019-07-25 15:11:31 +00:00
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#define RTCIO_CHECK(a, str, ret_val) ({ \
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if (!(a)) { \
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2020-07-29 12:46:37 +00:00
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ESP_LOGE(RTCIO_TAG,"%s(%d): %s", __FUNCTION__, __LINE__, str); \
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2019-07-25 15:11:31 +00:00
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return (ret_val); \
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} \
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})
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extern portMUX_TYPE rtc_spinlock; //TODO: Will be placed in the appropriate position after the rtc module is finished.
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#define RTCIO_ENTER_CRITICAL() portENTER_CRITICAL(&rtc_spinlock)
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#define RTCIO_EXIT_CRITICAL() portEXIT_CRITICAL(&rtc_spinlock)
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2020-11-26 08:56:13 +00:00
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#if SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
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2019-07-25 15:11:31 +00:00
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/*---------------------------------------------------------------
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RTC IO
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---------------------------------------------------------------*/
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esp_err_t rtc_gpio_init(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_function_select(rtc_io_number_get(gpio_num), RTCIO_FUNC_RTC);
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_deinit(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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// Select Gpio as Digital Gpio
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rtcio_hal_function_select(rtc_io_number_get(gpio_num), RTCIO_FUNC_DIGITAL);
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_set_level(gpio_num_t gpio_num, uint32_t level)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_set_level(rtc_io_number_get(gpio_num), level);
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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uint32_t rtc_gpio_get_level(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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return rtcio_hal_get_level(rtc_io_number_get(gpio_num));
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}
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esp_err_t rtc_gpio_set_drive_capability(gpio_num_t gpio_num, gpio_drive_cap_t strength)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(gpio_num), "Output pad only", ESP_ERR_INVALID_ARG);
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RTCIO_CHECK(strength < GPIO_DRIVE_CAP_MAX, "RTCIO drive capability error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_set_drive_capability(rtc_io_number_get(gpio_num), strength);
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_get_drive_capability(gpio_num_t gpio_num, gpio_drive_cap_t *strength)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_CHECK(GPIO_IS_VALID_OUTPUT_GPIO(gpio_num), "Output pad only", ESP_ERR_INVALID_ARG);
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RTCIO_CHECK(strength != NULL, "GPIO drive pointer error", ESP_ERR_INVALID_ARG);
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*strength = (gpio_drive_cap_t)rtcio_hal_get_drive_capability(rtc_io_number_get(gpio_num));
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return ESP_OK;
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}
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esp_err_t rtc_gpio_set_direction(gpio_num_t gpio_num, rtc_gpio_mode_t mode)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_set_direction(rtc_io_number_get(gpio_num), mode);
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_set_direction_in_sleep(gpio_num_t gpio_num, rtc_gpio_mode_t mode)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_set_direction_in_sleep(rtc_io_number_get(gpio_num), mode);
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_pullup_en(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_pullup_enable(rtc_io_number_get(gpio_num));
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_pullup_dis(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_pullup_disable(rtc_io_number_get(gpio_num));
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_pulldown_en(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_pulldown_enable(rtc_io_number_get(gpio_num));
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_pulldown_dis(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_pulldown_disable(rtc_io_number_get(gpio_num));
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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2020-11-26 08:56:13 +00:00
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#endif // SOC_RTCIO_INPUT_OUTPUT_SUPPORTED
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2020-12-16 22:16:52 +00:00
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#if SOC_RTCIO_HOLD_SUPPORTED
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2019-07-25 15:11:31 +00:00
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esp_err_t rtc_gpio_hold_en(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_hold_enable(rtc_io_number_get(gpio_num));
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_hold_dis(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_hold_disable(rtc_io_number_get(gpio_num));
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_isolate(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_isolate(rtc_io_number_get(gpio_num));
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_force_hold_en_all(void)
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{
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_hold_all();
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_force_hold_dis_all(void)
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{
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_unhold_all();
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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2020-12-16 22:16:52 +00:00
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#endif // SOC_RTCIO_HOLD_SUPPORTED
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#if SOC_RTCIO_WAKE_SUPPORTED
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2019-07-25 15:11:31 +00:00
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esp_err_t rtc_gpio_wakeup_enable(gpio_num_t gpio_num, gpio_int_type_t intr_type)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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if (intr_type == GPIO_INTR_POSEDGE || intr_type == GPIO_INTR_NEGEDGE || intr_type == GPIO_INTR_ANYEDGE) {
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return ESP_ERR_INVALID_ARG; // Dont support this mode.
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}
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_wakeup_enable(rtc_io_number_get(gpio_num), intr_type);
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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esp_err_t rtc_gpio_wakeup_disable(gpio_num_t gpio_num)
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{
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RTCIO_CHECK(rtc_gpio_is_valid_gpio(gpio_num), "RTCIO number error", ESP_ERR_INVALID_ARG);
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RTCIO_ENTER_CRITICAL();
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rtcio_hal_wakeup_disable(rtc_io_number_get(gpio_num));
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RTCIO_EXIT_CRITICAL();
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return ESP_OK;
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}
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2020-12-16 22:16:52 +00:00
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#endif // SOC_RTCIO_WAKE_SUPPORTED
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