1.新增各设备读写类型（仅作提示）。

dev/adc.h

@@ -29,6 +29,11 @@ extern "C" {
 #define MR_CTRL_ADC_SET_CHANNEL_STATE   ((0x01|0x80) << 16)         /**< Set channel state */
 #define MR_CTRL_ADC_GET_CHANNEL_STATE   ((0x01|0x00) << 16)         /**< Get channel state */
 
+/**
+ * @brief ADC data type.
+ */
+typedef uint32_t mr_adc_data_t;                                     /**< ADC read data type */
+
 /**
  * @brief ADC structure.
  */

dev/dac.h

@@ -29,6 +29,11 @@ extern "C" {
 #define MR_CTRL_DAC_SET_CHANNEL_STATE   ((0x01|0x80) << 16)         /**< Set channel state */
 #define MR_CTRL_DAC_GET_CHANNEL_STATE   ((0x01|0x00) << 16)         /**< Get channel state */
 
+/**
+ * @brief DAC data type.
+ */
+typedef uint32_t mr_dac_data_t;                                     /**< DAC write data type */
+
 /**
  * @brief DAC structure.
  */

dev/gpio.h

@@ -47,6 +47,11 @@ extern "C" {
  */
 #define MR_CTRL_GPIO_SET_PIN_MODE       ((0x01|0x80) << 16)         /**< Set pin mode */
 
+/**
+ * @brief GPIO data type.
+ */
+typedef uint8_t mr_gpio_data_t;                                     /**< GPIO read/write data type */
+
 /**
  * @brief GPIO structure.
  */

dev/i2c.h

@@ -51,6 +51,11 @@ struct mr_i2c_config
     uint32_t reserved: 25;
 };
 
+/**
+ * @brief I2C data type.
+ */
+typedef uint8_t mr_i2c_data_t;                                      /**< I2C read/write data type */
+
 /**
  * @brief I2C bus structure.
  */

dev/spi.h

@@ -93,6 +93,11 @@ struct mr_spi_transfer
     size_t size;                                                    /**< Transfer size */
 };
 
+/**
+ * @brief SPI data type.
+ */
+typedef uint8_t mr_spi_data_t;                                      /**< SPI read/write data type */
+
 /**
  * @brief SPI bus structure.
  */