55 lines
1.6 KiB
C
55 lines
1.6 KiB
C
#pragma once
|
|
|
|
#include "esp_log.h"
|
|
#include "driver/gpio.h"
|
|
|
|
#ifdef __cplusplus
|
|
extern "C"
|
|
{
|
|
#endif
|
|
|
|
typedef struct // Structure for initial initialization of CD74HC4067 multiplexer.
|
|
{
|
|
uint8_t s0_gpio_number; // GPIO connected to S0 of CD74HC4067 multiplexer.
|
|
uint8_t s1_gpio_number; // GPIO connected to S1 of CD74HC4067 multiplexer.
|
|
uint8_t s2_gpio_number; // GPIO connected to S2 of CD74HC4067 multiplexer.
|
|
uint8_t s3_gpio_number; // GPIO connected to S3 of CD74HC4067 multiplexer.
|
|
uint8_t control_gpio_number; // GPIO connected to SIG of CD74HC4067 multiplexer.
|
|
uint8_t en_gpio_number; // GPIO connected to EN of CD74HC4067 multiplexer.
|
|
} zh_cd74hc4067_init_config_t;
|
|
|
|
/**
|
|
* @brief Initialize CD74HC4067 multiplexer.
|
|
*
|
|
* @param[in] config Pointer to CD74HC4067 initialized configuration structure. Can point to a temporary variable.
|
|
*
|
|
* @return ESP_OK if success or an error code otherwise.
|
|
*/
|
|
esp_err_t zh_cd74hc4067_init(const zh_cd74hc4067_init_config_t *config);
|
|
|
|
/**
|
|
* @brief Set CD74HC4067 GPIO for connect.
|
|
*
|
|
* @param[in] gpio GPIO for connect.
|
|
*
|
|
* @return Control GPIO number or -1 otherwise.
|
|
*/
|
|
gpio_num_t zh_cd74hc4067_set(uint8_t gpio);
|
|
|
|
/**
|
|
* @brief Get CD74HC4067 connected GPIO.
|
|
*
|
|
* @return GPIO number.
|
|
*/
|
|
uint8_t zh_cd74hc4067_get(void);
|
|
|
|
/**
|
|
* @brief Get CD74HC4067 control GPIO number.
|
|
*
|
|
* @return Control GPIO number.
|
|
*/
|
|
gpio_num_t zh_cd74hc4067_pin(void);
|
|
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif |