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Merge branch 'feature/add_gpio_drive_capability' into 'master'

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feature(gpio): add APIs to set and get pad drive capability.

See merge request !1010
This commit is contained in:
Ivan Grokhotkov
2017-08-07 17:21:42 +08:00
parent 7421452ca2 c30149e4bd
commit dfda0fa67b
4 changed files with 145 additions and 40 deletions
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31
components/driver/include/driver/gpio.h
View File

@@ -219,6 +219,14 @@ typedef enum {
GPIO_FLOATING, /*!< Pad floating */
} gpio_pull_mode_t;
typedef enum {
GPIO_DRIVE_CAP_0 = 0, /*!< Pad drive capability: weak */
GPIO_DRIVE_CAP_1 = 1, /*!< Pad drive capability: stronger */
GPIO_DRIVE_CAP_2 = 2, /*!< Pad drive capability: default value */
GPIO_DRIVE_CAP_DEFAULT = 2, /*!< Pad drive capability: default value */
GPIO_DRIVE_CAP_3 = 3, /*!< Pad drive capability: strongest */
GPIO_DRIVE_CAP_MAX,
} gpio_drive_cap_t;
typedef void (*gpio_isr_t)(void*);
typedef intr_handle_t gpio_isr_handle_t;
@@ -481,6 +489,29 @@ esp_err_t gpio_isr_handler_add(gpio_num_t gpio_num, gpio_isr_t isr_handler, void
*/
esp_err_t gpio_isr_handler_remove(gpio_num_t gpio_num);
/**
* @brief Set GPIO pad drive capability
*
* @param gpio_num GPIO number, only support output GPIOs
* @param strength Drive capability of the pad
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t gpio_set_drive_capability(gpio_num_t gpio_num, gpio_drive_cap_t strength);
/**
* @brief Get GPIO pad drive capability
*
* @param gpio_num GPIO number, only support output GPIOs
* @param strength Pointer to accept drive capability of the pad
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t gpio_get_drive_capability(gpio_num_t gpio_num, gpio_drive_cap_t* strength);
#ifdef __cplusplus
}

25
components/driver/include/driver/rtc_io.h
View File

@@ -40,6 +40,8 @@ typedef struct {
uint32_t slpie; /*!< Mask of input enable in sleep mode */
uint32_t hold; /*!< Mask of hold enable */
uint32_t hold_force;/*!< Mask of hold_force bit for RTC IO in RTC_CNTL_HOLD_FORCE_REG */
uint32_t drv_v; /*!< Mask of drive capability */
uint32_t drv_s; /*!< Offset of drive capability */
int rtc_num; /*!< RTC IO number, or -1 if not an RTC GPIO */
} rtc_gpio_desc_t;
@@ -232,6 +234,29 @@ esp_err_t rtc_gpio_hold_dis(gpio_num_t gpio_num);
*/
void rtc_gpio_force_hold_dis_all();
/**
* @brief Set RTC GPIO pad drive capability
*
* @param gpio_num GPIO number, only support output GPIOs
* @param strength Drive capability of the pad
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t rtc_gpio_set_drive_capability(gpio_num_t gpio_num, gpio_drive_cap_t strength);
/**
* @brief Get RTC GPIO pad drive capability
*
* @param gpio_num GPIO number, only support output GPIOs
* @param strength Pointer to accept drive capability of the pad
*
* @return
* - ESP_OK Success
* - ESP_ERR_INVALID_ARG Parameter error
*/
esp_err_t rtc_gpio_get_drive_capability(gpio_num_t gpio_num, gpio_drive_cap_t* strength);
#ifdef __cplusplus
}