feat: initial

include/zh_cd74hc4067.h

@@ -0,0 +1,55 @@
+#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