1.未使能设备时自动屏蔽，同时报错。

bsp/wch/ch32v30x/drv_adc.c

@@ -12,9 +12,9 @@
 
 #if !defined(MR_USING_ADC1) && !defined(MR_USING_ADC2)
 #error "Please define at least one ADC macro like MR_USING_ADC1. Otherwise undefine MR_USING_ADC."
-#endif
+#else
 
-enum adc_drv_index
+static enum drv_adc_index
 {
 #ifdef MR_USING_ADC1
     DRV_INDEX_ADC1,
@@ -34,6 +34,16 @@ static const char *adc_name[] =
 #endif /* MR_USING_ADC2 */
     };
 
+static struct drv_adc_data adc_drv_data[] =
+    {
+#ifdef MR_USING_ADC1
+        {ADC1, RCC_APB2Periph_ADC1},
+#endif /* MR_USING_ADC1 */
+#ifdef MR_USING_ADC2
+        {ADC2, RCC_APB2Periph_ADC2},
+#endif /* MR_USING_ADC2 */
+    };
+
 static struct drv_adc_channel_data adc_channel_drv_data[] =
     {
         {ADC_Channel_0,  RCC_APB2Periph_GPIOA, GPIOA, GPIO_Pin_0},
@@ -56,16 +66,6 @@ static struct drv_adc_channel_data adc_channel_drv_data[] =
         {ADC_Channel_17, 0, MR_NULL,                  0},
     };
 
-static struct drv_adc_data adc_drv_data[] =
-    {
-#ifdef MR_USING_ADC1
-        {ADC1, RCC_APB2Periph_ADC1},
-#endif /* MR_USING_ADC1 */
-#ifdef MR_USING_ADC2
-        {ADC2, RCC_APB2Periph_ADC2},
-#endif /* MR_USING_ADC2 */
-    };
-
 static struct mr_adc adc_dev[mr_array_num(adc_drv_data)];
 
 static struct drv_adc_channel_data *drv_adc_get_channel_data(int channel)
@@ -83,7 +83,7 @@ static int drv_adc_configure(struct mr_adc *adc, int state)
     ADC_InitTypeDef ADC_InitStructure = {0};
 
     /* Configure clock */
-    RCC_APB2PeriphClockCmd(adc_data->clock, (FunctionalState)state);
+    RCC_APB2PeriphClockCmd(adc_data->clock, state);
     RCC_ADCCLKConfig(RCC_PCLK2_Div8);
 
     /* Configure ADC */
@@ -94,7 +94,7 @@ static int drv_adc_configure(struct mr_adc *adc, int state)
     ADC_InitStructure.ADC_DataAlign = ADC_DataAlign_Right;
     ADC_InitStructure.ADC_NbrOfChannel = 1;
     ADC_Init(adc_data->instance, &ADC_InitStructure);
-    ADC_Cmd(adc_data->instance, (FunctionalState)state);
+    ADC_Cmd(adc_data->instance, state);
     return MR_EOK;
 }
 
@@ -123,15 +123,7 @@ static int drv_adc_channel_configure(struct mr_adc *adc, int channel, int state)
     /* Configure temp-sensor */
     if ((adc_channel_data->channel == ADC_Channel_16) || (adc_channel_data->channel == ADC_Channel_17))
     {
-        static uint8_t mask = 0;
-        mask = (state == MR_ENABLE) ? (mask + 1) : (mask - 1);
-        if (mask > 0)
-        {
-            ADC_TempSensorVrefintCmd(MR_ENABLE);
-        } else
-        {
-            ADC_TempSensorVrefintCmd(MR_DISABLE);
-        }
+        ADC_TempSensorVrefintCmd(ENABLE);
     }
     return MR_EOK;
 }
@@ -200,4 +192,6 @@ int drv_adc_init(void)
 }
 MR_INIT_DRV_EXPORT(drv_adc_init);
 
+#endif /* !defined(MR_USING_ADC1) && !defined(MR_USING_ADC2) */
+
 #endif /* MR_USING_ADC */

bsp/wch/ch32v30x/drv_gpio.c

@@ -10,9 +10,9 @@
 
 #ifdef MR_USING_GPIO
 
-#if !defined(MR_USING_GPIOA) && !defined(MR_USING_GPIOB) && !defined(MR_USING_GPIOC) && !defined(MR_USING_GPIOD) && !defined(MR_USING_GPIOE) && !defined(MR_USING_GPIOF)
+#if !defined(MR_USING_GPIOA) && !defined(MR_USING_GPIOB) && !defined(MR_USING_GPIOC) && !defined(MR_USING_GPIOD) && !defined(MR_USING_GPIOE)
 #error "Please define at least one GPIO macro like MR_USING_GPIOA. Otherwise undefine MR_USING_GPIO."
-#endif
+#else
 
 static IRQn_Type gpio_irq_map[] =
     {
@@ -549,4 +549,6 @@ int drv_gpio_init(void)
 }
 MR_INIT_DRV_EXPORT(drv_gpio_init);
 
+#endif /* !defined(MR_USING_GPIOA) && !defined(MR_USING_GPIOB) && !defined(MR_USING_GPIOC) && !defined(MR_USING_GPIOD) && !defined(MR_USING_GPIOE) */
+
 #endif /* MR_USING_GPIO */

bsp/wch/ch32v30x/drv_i2c.c

@@ -12,9 +12,9 @@
 
 #if !defined(MR_USING_I2C1) && !defined(MR_USING_I2C2)
 #error "Please define at least one I2C macro like MR_USING_I2C1. Otherwise undefine MR_USING_I2C."
-#endif
+#else
 
-enum drv_i2c_index
+static enum drv_i2c_index
 {
 #ifdef MR_USING_I2C1
     DRV_INDEX_I2C1,
@@ -344,4 +344,6 @@ int drv_i2c_bus_init(void)
 }
 MR_INIT_DRV_EXPORT(drv_i2c_bus_init);
 
+#endif /* !defined(MR_USING_I2C1) && !defined(MR_USING_I2C2) */
+
 #endif /* MR_USING_I2C */

bsp/wch/ch32v30x/drv_spi.c

@@ -12,9 +12,9 @@
 
 #if !defined(MR_USING_SPI1) && !defined(MR_USING_SPI2) && !defined(MR_USING_SPI3)
 #error "Please define at least one SPI macro like MR_USING_SPI1. Otherwise undefine MR_USING_SPI."
-#endif
+#else
 
-enum drv_spi_bus_index
+static enum drv_spi_bus_index
 {
 #ifdef MR_USING_SPI1
     DRV_INDEX_SPI1,
@@ -461,4 +461,6 @@ int drv_spi_bus_init(void)
 }
 MR_INIT_DRV_EXPORT(drv_spi_bus_init);
 
+#endif /* !defined(MR_USING_SPI1) && !defined(MR_USING_SPI2) && !defined(MR_USING_SPI3) */
+
 #endif /* MR_USING_SPI */

bsp/wch/ch32v30x/drv_uart.c

@@ -12,9 +12,9 @@
 
 #if !defined(MR_USING_UART1) && !defined(MR_USING_UART2) && !defined(MR_USING_UART3) && !defined(MR_USING_UART4) && !defined(MR_USING_UART5) && !defined(MR_USING_UART6) && !defined(MR_USING_UART7) && !defined(MR_USING_UART8)
 #error "Please define at least one UART macro like MR_USING_UART1. Otherwise undefine MR_USING_UART."
-#endif
+#else
 
-enum drv_uart_index
+static enum drv_uart_index
 {
 #ifdef MR_USING_UART1
     DRV_INDEX_UART1,
@@ -805,4 +805,6 @@ int drv_uart_init(void)
 }
 MR_INIT_CONSOLE_EXPORT(drv_uart_init);
 
+#endif /* !defined(MR_USING_UART1) && !defined(MR_USING_UART2) && !defined(MR_USING_UART3) && !defined(MR_USING_UART4) && !defined(MR_USING_UART5) && !defined(MR_USING_UART6) && !defined(MR_USING_UART7) && !defined(MR_USING_UART8) */
+
 #endif /* MR_USING_UART */

bsp/wch/ch32v30x/mr_board.h

@@ -16,6 +16,8 @@ extern "C" {
 #define MR_USING_ADC1
 #define MR_USING_ADC2
 
+#define MR_USING_DAC1
+
 #define MR_USING_GPIOA
 #define MR_USING_GPIOB
 #define MR_USING_GPIOC