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WuKaiLi 3 年之前
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284c6ffc98

+ 1 - 1
bsp/apm32/apm32f103xe-minibroard/README.md

@@ -81,4 +81,4 @@ msh >
 
 ## 联系人信息
 
--
+-[abbbcc ](https://gitee.com/abbbcc)

+ 1 - 1
bsp/apm32/apm32f103xe-minibroard/project.uvprojx

@@ -10,7 +10,7 @@
       <TargetName>rt-thread</TargetName>
       <ToolsetNumber>0x4</ToolsetNumber>
       <ToolsetName>ARM-ADS</ToolsetName>
-      <pCCUsed>5060750::V5.06 update 6 (build 750)::ARMCC</pCCUsed>
+      <pCCUsed>5060960::V5.06 update 7 (build 960)::.\ARMCC</pCCUsed>
       <uAC6>0</uAC6>
       <TargetOption>
         <TargetCommonOption>

+ 0 - 0
bsp/apm32/libraries/Drivers/Kconfig


+ 73 - 73
bsp/apm32/libraries/Drivers/drv_gpio.c

@@ -17,40 +17,40 @@
 #define PIN_PORT(pin) ((uint8_t)(((pin) >> 4) & 0xFu))
 #define PIN_NO(pin) ((uint8_t)((pin) & 0xFu))
 
-#define PIN_STPORT(pin) ((GPIO_T *)(GPIOA_BASE + (0x400u * PIN_PORT(pin))))
+#define PIN_APMPORT(pin) ((GPIO_T *)(GPIOA_BASE + (0x400u * PIN_PORT(pin))))
 
-#define PIN_STPIN(pin) ((uint16_t)(1u << PIN_NO(pin)))
+#define PIN_APMPIN(pin) ((uint16_t)(1u << PIN_NO(pin)))
 
 #if defined(GPIOZ)
-#define __APM32_PORT_MAX 12u
+    #define __APM32_PORT_MAX 12u
 #elif defined(GPIOK)
-#define __APM32_PORT_MAX 11u
+    #define __APM32_PORT_MAX 11u
 #elif defined(GPIOJ)
-#define __APM32_PORT_MAX 10u
+    #define __APM32_PORT_MAX 10u
 #elif defined(GPIOI)
-#define __APM32_PORT_MAX 9u
+    #define __APM32_PORT_MAX 9u
 #elif defined(GPIOH)
-#define __APM32_PORT_MAX 8u
+    #define __APM32_PORT_MAX 8u
 #elif defined(GPIOG)
-#define __APM32_PORT_MAX 7u
+    #define __APM32_PORT_MAX 7u
 #elif defined(GPIOF)
-#define __APM32_PORT_MAX 6u
+    #define __APM32_PORT_MAX 6u
 #elif defined(GPIOE)
-#define __APM32_PORT_MAX 5u
+    #define __APM32_PORT_MAX 5u
 #elif defined(GPIOD)
-#define __APM32_PORT_MAX 4u
+    #define __APM32_PORT_MAX 4u
 #elif defined(GPIOC)
-#define __APM32_PORT_MAX 3u
+    #define __APM32_PORT_MAX 3u
 #elif defined(GPIOB)
-#define __APM32_PORT_MAX 2u
+    #define __APM32_PORT_MAX 2u
 #elif defined(GPIOA)
-#define __APM32_PORT_MAX 1u
+    #define __APM32_PORT_MAX 1u
 #else
-#define __APM32_PORT_MAX 0u
-#error Unsupported APM32 GPIO peripheral.
+    #define __APM32_PORT_MAX 0u
+    #error Unsupported APM32 GPIO peripheral.
 #endif
 
-#define PIN_STPORT_MAX __APM32_PORT_MAX
+#define PIN_APMPORT_MAX __APM32_PORT_MAX
 
 static const struct pin_irq_map pin_irq_map[] =
 {
@@ -95,7 +95,7 @@ static uint32_t pin_irq_enable_mask = 0;
 
 #define ITEM_NUM(items) sizeof(items) / sizeof(items[0])
 
-static rt_base_t apm32_pin_get(const char *name)
+static rt_base_t _pin_get(const char *name)
 {
     rt_base_t pin = 0;
     int hw_port_num, hw_pin_num = 0;
@@ -132,47 +132,47 @@ static rt_base_t apm32_pin_get(const char *name)
     return pin;
 }
 
-static void apm32_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
+static void _pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
 {
     GPIO_T *gpio_port;
     uint16_t gpio_pin;
 
-    if (PIN_PORT(pin) < PIN_STPORT_MAX)
+    if (PIN_PORT(pin) < PIN_APMPORT_MAX)
     {
-        gpio_port = PIN_STPORT(pin);
-        gpio_pin = PIN_STPIN(pin);
+        gpio_port = PIN_APMPORT(pin);
+        gpio_pin = PIN_APMPIN(pin);
 
         GPIO_WriteBitValue(gpio_port, gpio_pin, (uint8_t)value);
     }
 }
 
-static int apm32_pin_read(rt_device_t dev, rt_base_t pin)
+static int _pin_read(rt_device_t dev, rt_base_t pin)
 {
     GPIO_T *gpio_port;
     uint16_t gpio_pin;
     int value = PIN_LOW;
 
-    if (PIN_PORT(pin) < PIN_STPORT_MAX)
+    if (PIN_PORT(pin) < PIN_APMPORT_MAX)
     {
-        gpio_port = PIN_STPORT(pin);
-        gpio_pin = PIN_STPIN(pin);
+        gpio_port = PIN_APMPORT(pin);
+        gpio_pin = PIN_APMPIN(pin);
         value = GPIO_ReadInputBit(gpio_port, gpio_pin);
     }
 
     return value;
 }
 
-static void apm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
+static void _pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
 {
     GPIO_Config_T gpioConfig;
 
-    if (PIN_PORT(pin) >= PIN_STPORT_MAX)
+    if (PIN_PORT(pin) >= PIN_APMPORT_MAX)
     {
         return;
     }
 
     /* Configure gpioConfigure */
-    gpioConfig.pin = PIN_STPIN(pin);
+    gpioConfig.pin = PIN_APMPIN(pin);
     gpioConfig.mode = GPIO_MODE_OUT_PP;
     gpioConfig.speed = GPIO_SPEED_50MHz;
 
@@ -202,7 +202,7 @@ static void apm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
         gpioConfig.mode = GPIO_MODE_OUT_OD;
     }
 
-    GPIO_Config(PIN_STPORT(pin), &gpioConfig);
+    GPIO_Config(PIN_APMPORT(pin), &gpioConfig);
 }
 
 rt_inline rt_int32_t bit2bitno(rt_uint32_t bit)
@@ -228,18 +228,18 @@ rt_inline const struct pin_irq_map *get_pin_irq_map(uint32_t pinbit)
     return &pin_irq_map[mapindex];
 };
 
-static rt_err_t apm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
-                                     rt_uint32_t mode, void (*hdr)(void *args), void *args)
+static rt_err_t _pin_attach_irq(struct rt_device *device, rt_int32_t pin,
+                                rt_uint32_t mode, void (*hdr)(void *args), void *args)
 {
     rt_base_t level;
     rt_int32_t irqindex = -1;
 
-    if (PIN_PORT(pin) >= PIN_STPORT_MAX)
+    if (PIN_PORT(pin) >= PIN_APMPORT_MAX)
     {
         return -RT_ENOSYS;
     }
 
-    irqindex = bit2bitno(PIN_STPIN(pin));
+    irqindex = bit2bitno(PIN_APMPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
         return RT_ENOSYS;
@@ -247,9 +247,9 @@ static rt_err_t apm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
 
     level = rt_hw_interrupt_disable();
     if (pin_irq_hdr_tab[irqindex].pin == pin &&
-        pin_irq_hdr_tab[irqindex].hdr == hdr &&
-        pin_irq_hdr_tab[irqindex].mode == mode &&
-        pin_irq_hdr_tab[irqindex].args == args)
+            pin_irq_hdr_tab[irqindex].hdr == hdr &&
+            pin_irq_hdr_tab[irqindex].mode == mode &&
+            pin_irq_hdr_tab[irqindex].args == args)
     {
         rt_hw_interrupt_enable(level);
         return RT_EOK;
@@ -268,17 +268,17 @@ static rt_err_t apm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     return RT_EOK;
 }
 
-static rt_err_t apm32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
+static rt_err_t _pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
 {
     rt_base_t level;
     rt_int32_t irqindex = -1;
 
-    if (PIN_PORT(pin) >= PIN_STPORT_MAX)
+    if (PIN_PORT(pin) >= PIN_APMPORT_MAX)
     {
         return -RT_ENOSYS;
     }
 
-    irqindex = bit2bitno(PIN_STPIN(pin));
+    irqindex = bit2bitno(PIN_APMPIN(pin));
     if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
         return RT_ENOSYS;
@@ -299,22 +299,22 @@ static rt_err_t apm32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     return RT_EOK;
 }
 
-static rt_err_t apm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
-                                     rt_uint32_t enabled)
+static rt_err_t _pin_irq_enable(struct rt_device *device, rt_base_t pin,
+                                rt_uint32_t enabled)
 {
     const struct pin_irq_map *irqmap;
     rt_base_t level;
     rt_int32_t irqindex = -1;
     GPIO_Config_T gpioConfig;
 
-    if (PIN_PORT(pin) >= PIN_STPORT_MAX)
+    if (PIN_PORT(pin) >= PIN_APMPORT_MAX)
     {
         return -RT_ENOSYS;
     }
 
     if (enabled == PIN_IRQ_ENABLE)
     {
-        irqindex = bit2bitno(PIN_STPIN(pin));
+        irqindex = bit2bitno(PIN_APMPIN(pin));
         if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
             return RT_ENOSYS;
@@ -331,7 +331,7 @@ static rt_err_t apm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = &pin_irq_map[irqindex];
 
         /* Configure gpioConfigure */
-        gpioConfig.pin = PIN_STPIN(pin);
+        gpioConfig.pin = PIN_APMPIN(pin);
         gpioConfig.speed = GPIO_SPEED_50MHz;
         switch (pin_irq_hdr_tab[irqindex].mode)
         {
@@ -345,7 +345,7 @@ static rt_err_t apm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
             gpioConfig.mode = GPIO_MODE_IN_FLOATING;
             break;
         }
-        GPIO_Config(PIN_STPORT(pin), &gpioConfig);
+        GPIO_Config(PIN_APMPORT(pin), &gpioConfig);
 
         NVIC_EnableIRQRequest(irqmap->irqno, 5, 0);
         pin_irq_enable_mask |= irqmap->pinbit;
@@ -354,14 +354,14 @@ static rt_err_t apm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     }
     else if (enabled == PIN_IRQ_DISABLE)
     {
-        irqmap = get_pin_irq_map(PIN_STPIN(pin));
+        irqmap = get_pin_irq_map(PIN_APMPIN(pin));
         if (irqmap == RT_NULL)
         {
             return RT_ENOSYS;
         }
 
         level = rt_hw_interrupt_disable();
-        
+
         pin_irq_enable_mask &= ~irqmap->pinbit;
 
         if ((irqmap->pinbit >= GPIO_PIN_5) && (irqmap->pinbit <= GPIO_PIN_9))
@@ -393,13 +393,13 @@ static rt_err_t apm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
 }
 const static struct rt_pin_ops _apm32_pin_ops =
 {
-    apm32_pin_mode,
-    apm32_pin_write,
-    apm32_pin_read,
-    apm32_pin_attach_irq,
-    apm32_pin_dettach_irq,
-    apm32_pin_irq_enable,
-    apm32_pin_get,
+    _pin_mode,
+    _pin_write,
+    _pin_read,
+    _pin_attach_irq,
+    _pin_dettach_irq,
+    _pin_irq_enable,
+    _pin_get,
 };
 
 rt_inline void pin_irq_hdr(int irqno)
@@ -420,20 +420,20 @@ void GPIO_EXTI_IRQHandler(uint16_t GPIO_Pin)
 void EINT0_IRQHandler(void)
 {
     rt_interrupt_enter();
-    
-    if(EINT_ReadIntFlag(EINT_LINE_0))
+
+    if (EINT_ReadIntFlag(EINT_LINE_0))
     {
         EINT_ClearIntFlag(EINT_LINE_0);
         GPIO_EXTI_IRQHandler(GPIO_PIN_0);
     }
-    
+
     rt_interrupt_leave();
 }
 
 void EINT1_IRQHandler(void)
 {
     rt_interrupt_enter();
-    if(EINT_ReadIntFlag(EINT_LINE_1))
+    if (EINT_ReadIntFlag(EINT_LINE_1))
     {
         EINT_ClearIntFlag(EINT_LINE_1);
         GPIO_EXTI_IRQHandler(GPIO_PIN_1);
@@ -444,7 +444,7 @@ void EINT1_IRQHandler(void)
 void EINT2_IRQHandler(void)
 {
     rt_interrupt_enter();
-    if(EINT_ReadIntFlag(EINT_LINE_2))
+    if (EINT_ReadIntFlag(EINT_LINE_2))
     {
         EINT_ClearIntFlag(EINT_LINE_2);
         GPIO_EXTI_IRQHandler(GPIO_PIN_2);
@@ -455,7 +455,7 @@ void EINT2_IRQHandler(void)
 void EINT3_IRQHandler(void)
 {
     rt_interrupt_enter();
-    if(EINT_ReadIntFlag(EINT_LINE_3))
+    if (EINT_ReadIntFlag(EINT_LINE_3))
     {
         EINT_ClearIntFlag(EINT_LINE_3);
         GPIO_EXTI_IRQHandler(GPIO_PIN_3);
@@ -466,7 +466,7 @@ void EINT3_IRQHandler(void)
 void EINT4_IRQHandler(void)
 {
     rt_interrupt_enter();
-    if(EINT_ReadIntFlag(EINT_LINE_4))
+    if (EINT_ReadIntFlag(EINT_LINE_4))
     {
         EINT_ClearIntFlag(EINT_LINE_4);
         GPIO_EXTI_IRQHandler(GPIO_PIN_4);
@@ -477,27 +477,27 @@ void EINT4_IRQHandler(void)
 void EINT9_5_IRQHandler(void)
 {
     rt_interrupt_enter();
-    if(EINT_ReadIntFlag(EINT_LINE_5))
+    if (EINT_ReadIntFlag(EINT_LINE_5))
     {
         EINT_ClearIntFlag(EINT_LINE_5);
         GPIO_EXTI_IRQHandler(GPIO_PIN_5);
     }
-    if(EINT_ReadIntFlag(EINT_LINE_6))
+    if (EINT_ReadIntFlag(EINT_LINE_6))
     {
         EINT_ClearIntFlag(EINT_LINE_6);
         GPIO_EXTI_IRQHandler(GPIO_PIN_6);
     }
-    if(EINT_ReadIntFlag(EINT_LINE_7))
+    if (EINT_ReadIntFlag(EINT_LINE_7))
     {
         EINT_ClearIntFlag(EINT_LINE_7);
         GPIO_EXTI_IRQHandler(GPIO_PIN_7);
     }
-    if(EINT_ReadIntFlag(EINT_LINE_8))
+    if (EINT_ReadIntFlag(EINT_LINE_8))
     {
         EINT_ClearIntFlag(EINT_LINE_8);
         GPIO_EXTI_IRQHandler(GPIO_PIN_8);
     }
-    if(EINT_ReadIntFlag(EINT_LINE_9))
+    if (EINT_ReadIntFlag(EINT_LINE_9))
     {
         EINT_ClearIntFlag(EINT_LINE_9);
         GPIO_EXTI_IRQHandler(GPIO_PIN_9);
@@ -508,32 +508,32 @@ void EINT9_5_IRQHandler(void)
 void EINT15_10_IRQHandler(void)
 {
     rt_interrupt_enter();
-    if(EINT_ReadIntFlag(EINT_LINE_10))
+    if (EINT_ReadIntFlag(EINT_LINE_10))
     {
         EINT_ClearIntFlag(EINT_LINE_10);
         GPIO_EXTI_IRQHandler(GPIO_PIN_10);
     }
-    if(EINT_ReadIntFlag(EINT_LINE_11))
+    if (EINT_ReadIntFlag(EINT_LINE_11))
     {
         EINT_ClearIntFlag(EINT_LINE_11);
         GPIO_EXTI_IRQHandler(GPIO_PIN_11);
     }
-    if(EINT_ReadIntFlag(EINT_LINE_12))
+    if (EINT_ReadIntFlag(EINT_LINE_12))
     {
         EINT_ClearIntFlag(EINT_LINE_12);
         GPIO_EXTI_IRQHandler(GPIO_PIN_12);
     }
-    if(EINT_ReadIntFlag(EINT_LINE_13))
+    if (EINT_ReadIntFlag(EINT_LINE_13))
     {
         EINT_ClearIntFlag(EINT_LINE_13);
         GPIO_EXTI_IRQHandler(GPIO_PIN_13);
     }
-    if(EINT_ReadIntFlag(EINT_LINE_14))
+    if (EINT_ReadIntFlag(EINT_LINE_14))
     {
         EINT_ClearIntFlag(EINT_LINE_14);
         GPIO_EXTI_IRQHandler(GPIO_PIN_14);
     }
-    if(EINT_ReadIntFlag(EINT_LINE_15))
+    if (EINT_ReadIntFlag(EINT_LINE_15))
     {
         EINT_ClearIntFlag(EINT_LINE_15);
         GPIO_EXTI_IRQHandler(GPIO_PIN_15);

+ 41 - 33
bsp/apm32/libraries/Drivers/drv_usart.c

@@ -14,8 +14,8 @@
 
 #ifdef RT_USING_SERIAL
 #if !defined(BSP_USING_UART1) && !defined(BSP_USING_UART2)
-#error "Please define at least one BSP_USING_UARTx"
-/* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
+    #error "Please define at least one BSP_USING_UARTx"
+    /* this driver can be disabled at menuconfig -> RT-Thread Components -> Device Drivers */
 #endif
 
 /* stm32 config class */
@@ -40,18 +40,22 @@ enum
 static struct apm32_usart usart_config[] =
 {
 #ifdef BSP_USING_UART1
-        { "uart1",
+    {
+        "uart1",
         USART1,
-        USART1_IRQn, },
+        USART1_IRQn,
+    },
 #endif
 #ifdef BSP_USING_UART2
-        { "uart2",
+    {
+        "uart2",
         USART2,
-        USART2_IRQn, },
+        USART2_IRQn,
+    },
 #endif
 };
 
-static rt_err_t apm32_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
+static rt_err_t _uart_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
 {
     USART_Config_T USART_ConfigStruct;
     RT_ASSERT(serial != RT_NULL);
@@ -60,7 +64,7 @@ static rt_err_t apm32_configure(struct rt_serial_device *serial, struct serial_c
     struct apm32_usart *usart_instance = (struct apm32_usart *) serial->parent.user_data;
 
     apm32_usart_init();
-    
+
     USART_ConfigStruct.baudRate = cfg->baud_rate;;
     USART_ConfigStruct.hardwareFlow = USART_HARDWARE_FLOW_NONE;
     USART_ConfigStruct.mode = USART_MODE_TX_RX;
@@ -113,14 +117,14 @@ static rt_err_t apm32_configure(struct rt_serial_device *serial, struct serial_c
 
     USART_Config(usart_instance->usartx, &USART_ConfigStruct);
     USART_Enable(usart_instance->usartx);
-    
+
     return RT_EOK;
 }
 
-static rt_err_t apm32_control(struct rt_serial_device *serial, int cmd, void *arg)
+static rt_err_t _uart_control(struct rt_serial_device *serial, int cmd, void *arg)
 {
     struct apm32_usart *usart;
-    
+
     RT_ASSERT(serial != RT_NULL);
 
     usart = (struct apm32_usart *) serial->parent.user_data;
@@ -130,10 +134,10 @@ static rt_err_t apm32_control(struct rt_serial_device *serial, int cmd, void *ar
     {
     /* disable interrupt */
     case RT_DEVICE_CTRL_CLR_INT:
-        
+
         /* disable rx irq */
         NVIC_DisableIRQRequest(usart->irq_type);
-    
+
         /* disable interrupt */
         USART_DisableInterrupt(usart->usartx, USART_INT_RXBNE);
 
@@ -143,7 +147,7 @@ static rt_err_t apm32_control(struct rt_serial_device *serial, int cmd, void *ar
     case RT_DEVICE_CTRL_SET_INT:
         /* enable rx irq */
         NVIC_EnableIRQRequest(usart->irq_type, 1, 0);
-    
+
         /* enable interrupt */
         USART_EnableInterrupt(usart->usartx, USART_INT_RXBNE);
         break;
@@ -152,29 +156,29 @@ static rt_err_t apm32_control(struct rt_serial_device *serial, int cmd, void *ar
     return RT_EOK;
 }
 
-static int apm32_putc(struct rt_serial_device *serial, char c)
+static int _uart_putc(struct rt_serial_device *serial, char c)
 {
     struct apm32_usart *usart;
     RT_ASSERT(serial != RT_NULL);
 
     usart = (struct apm32_usart *) serial->parent.user_data;
-    
+
     RT_ASSERT(usart != RT_NULL);
-    
+
     USART_TxData(usart->usartx, (uint8_t) c);
-    
+
     while (USART_ReadStatusFlag(usart->usartx, USART_FLAG_TXC) == RESET);
-    
+
     return 1;
 }
 
-static int apm32_getc(struct rt_serial_device *serial)
+static int _uart_getc(struct rt_serial_device *serial)
 {
     int ch;
     struct apm32_usart *usart;
     RT_ASSERT(serial != RT_NULL);
     usart = (struct apm32_usart *) serial->parent.user_data;
-    
+
     RT_ASSERT(usart != RT_NULL);
 
     ch = -1;
@@ -197,7 +201,7 @@ static void usart_isr(struct rt_serial_device *serial)
     RT_ASSERT(serial != RT_NULL);
     RT_ASSERT(serial != RT_NULL);
     usart = (struct apm32_usart *) serial->parent.user_data;
-    
+
     RT_ASSERT(usart != RT_NULL);
 
     /* UART in mode Receiver -------------------------------------------------*/
@@ -211,15 +215,18 @@ static void usart_isr(struct rt_serial_device *serial)
 
     else
     {
-        if (USART_ReadStatusFlag(usart->usartx, USART_FLAG_CTS) != RESET) {
+        if (USART_ReadStatusFlag(usart->usartx, USART_FLAG_CTS) != RESET)
+        {
             USART_ClearStatusFlag(usart->usartx, USART_FLAG_CTS);
         }
 
-        if (USART_ReadStatusFlag(usart->usartx, USART_FLAG_LBD) != RESET) {
+        if (USART_ReadStatusFlag(usart->usartx, USART_FLAG_LBD) != RESET)
+        {
             USART_ClearStatusFlag(usart->usartx, USART_FLAG_LBD);
         }
 
-        if (USART_ReadStatusFlag(usart->usartx, USART_FLAG_TXBE) != RESET) {
+        if (USART_ReadStatusFlag(usart->usartx, USART_FLAG_TXBE) != RESET)
+        {
             USART_ClearStatusFlag(usart->usartx, USART_FLAG_TXBE);
         }
     }
@@ -258,10 +265,10 @@ void USART2_IRQHandler(void)
 
 static const struct rt_uart_ops apm32_usart_ops =
 {
-    .configure = apm32_configure,
-    .control = apm32_control,
-    .putc = apm32_putc,
-    .getc = apm32_getc,
+    .configure = _uart_configure,
+    .control = _uart_control,
+    .putc = _uart_putc,
+    .getc = _uart_getc,
     .dma_transmit = RT_NULL
 };
 
@@ -274,15 +281,16 @@ int rt_hw_usart_init(void)
     struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
     rt_err_t result = 0;
 
-    for (index = 0; index < obj_num; index++) {
+    for (index = 0; index < obj_num; index++)
+    {
         usart_config[index].serial.ops = &apm32_usart_ops;
         usart_config[index].serial.config = config;
 
         /* register USART device */
         result = rt_hw_serial_register(&usart_config[index].serial,
-                usart_config[index].name,
-                RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX
-                        | RT_DEVICE_FLAG_INT_TX, &usart_config[index]);
+                                       usart_config[index].name,
+                                       RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX
+                                       | RT_DEVICE_FLAG_INT_TX, &usart_config[index]);
         RT_ASSERT(result == RT_EOK);
     }