Merge pull request #4737 from mysterywolf/3,1,xformatv3.1.5

[lts 3.1.x] format codes

1 files changed, 155 insertions, 155 deletions

diff --git a/bsp/lpc178x/drivers/uart.c b/bsp/lpc178x/drivers/uart.c
index 0d92eb1fca..cb8e68d30c 100644
--- a/bsp/lpc178x/drivers/uart.c
+++ b/bsp/lpc178x/drivers/uart.c
@@ -1,5 +1,5 @@
 /*
- * Copyright (c) 2006-2018, RT-Thread Development Team
+ * Copyright (c) 2006-2021, RT-Thread Development Team
  *
  * SPDX-License-Identifier: Apache-2.0
  *
@@ -25,14 +25,14 @@
 
 struct rt_uart_lpc
 {
-	struct rt_device parent;
+    struct rt_device parent;
 
-	LPC_UART_TypeDef * UART;
-	IRQn_Type UART_IRQn;
+    LPC_UART_TypeDef * UART;
+    IRQn_Type UART_IRQn;
 
-	/* buffer for reception */
-	rt_uint8_t read_index, save_index;
-	rt_uint8_t rx_buffer[RT_UART_RX_BUFFER_SIZE];
+    /* buffer for reception */
+    rt_uint8_t read_index, save_index;
+    rt_uint8_t rx_buffer[RT_UART_RX_BUFFER_SIZE];
 };
 
 #ifdef RT_USING_UART0
@@ -45,96 +45,96 @@ struct rt_uart_lpc uart1_device;
 #ifdef RT_USING_UART0
 void UART0_IRQHandler(void)
 {
-	rt_ubase_t level, iir;
+    rt_ubase_t level, iir;
     struct rt_uart_lpc* uart = &uart0_device;
 
-	/* enter interrupt */
-	rt_interrupt_enter();
+    /* enter interrupt */
+    rt_interrupt_enter();
 
     /* read IIR and clear it */
-	iir = uart->UART->IIR;
+    iir = uart->UART->IIR;
 
-	if (iir == UART_IIR_INTID_RDA)	    /* Receive Data Available */
-	{
-		/* Receive Data Available */
+    if (iir == UART_IIR_INTID_RDA)      /* Receive Data Available */
+    {
+        /* Receive Data Available */
         uart->rx_buffer[uart->save_index] = uart->UART->RBR;
 
         level = rt_hw_interrupt_disable();
-		uart->save_index ++;
+        uart->save_index ++;
         if (uart->save_index >= RT_UART_RX_BUFFER_SIZE)
             uart->save_index = 0;
         rt_hw_interrupt_enable(level);
 
-		/* invoke callback */
-		if(uart->parent.rx_indicate != RT_NULL)
-		{
-		    rt_size_t length;
-		    if (uart->read_index > uart->save_index)
+        /* invoke callback */
+        if(uart->parent.rx_indicate != RT_NULL)
+        {
+            rt_size_t length;
+            if (uart->read_index > uart->save_index)
                 length = RT_UART_RX_BUFFER_SIZE - uart->read_index + uart->save_index;
             else
                 length = uart->save_index - uart->read_index;
 
             uart->parent.rx_indicate(&uart->parent, length);
-		}
-	}
+        }
+    }
 
-	/* leave interrupt */
-	rt_interrupt_leave();
+    /* leave interrupt */
+    rt_interrupt_leave();
 
-	return;
+    return;
 }
 #endif
 
 #ifdef RT_USING_UART1
 void UART1_IRQHandler(void)
 {
-	rt_ubase_t level, iir;
+    rt_ubase_t level, iir;
     struct rt_uart_lpc* uart = &uart1_device;
 
-	/* enter interrupt */
-	rt_interrupt_enter();
+    /* enter interrupt */
+    rt_interrupt_enter();
 
     /* read IIR and clear it */
-	iir = uart->UART->IIR;
+    iir = uart->UART->IIR;
 
-	if (iir == UART_IIR_INTID_RDA)	    /* Receive Data Available */
-	{
-		/* Receive Data Available */
+    if (iir == UART_IIR_INTID_RDA)      /* Receive Data Available */
+    {
+        /* Receive Data Available */
         uart->rx_buffer[uart->save_index] = uart->UART->RBR;
 
         level = rt_hw_interrupt_disable();
-		uart->save_index ++;
+        uart->save_index ++;
         if (uart->save_index >= RT_UART_RX_BUFFER_SIZE)
             uart->save_index = 0;
         rt_hw_interrupt_enable(level);
 
-		/* invoke callback */
-		if(uart->parent.rx_indicate != RT_NULL)
-		{
-		    rt_size_t length;
-		    if (uart->read_index > uart->save_index)
+        /* invoke callback */
+        if(uart->parent.rx_indicate != RT_NULL)
+        {
+            rt_size_t length;
+            if (uart->read_index > uart->save_index)
                 length = RT_UART_RX_BUFFER_SIZE - uart->read_index + uart->save_index;
             else
                 length = uart->save_index - uart->read_index;
 
             uart->parent.rx_indicate(&uart->parent, length);
-		}
-	}
+        }
+    }
 
-	/* leave interrupt */
-	rt_interrupt_leave();
+    /* leave interrupt */
+    rt_interrupt_leave();
 
-	return;
+    return;
 }
 #endif
 
 static rt_err_t rt_uart_init (rt_device_t dev)
 {
-	struct rt_uart_lpc *uart = (struct rt_uart_lpc*)dev;
-	UART_CFG_Type UART_ConfigStruct;
+    struct rt_uart_lpc *uart = (struct rt_uart_lpc*)dev;
+    UART_CFG_Type UART_ConfigStruct;
 
 #ifdef RT_USING_UART0
-	if( uart->UART == LPC_UART0 )
+    if( uart->UART == LPC_UART0 )
     {
         /*
          * Initialize UART0 pin connect
@@ -184,170 +184,170 @@ static rt_err_t rt_uart_init (rt_device_t dev)
 #endif
 
 #ifdef RT_USING_UART2
-	if( uart->UART == LPC_UART2 )
+    if( uart->UART == LPC_UART2 )
     {
     }
 #endif
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
 static rt_err_t rt_uart_open(rt_device_t dev, rt_uint16_t oflag)
 {
     struct rt_uart_lpc *uart = (struct rt_uart_lpc*)dev;
 
-	RT_ASSERT(dev != RT_NULL);
-	if (dev->flag & RT_DEVICE_FLAG_INT_RX)
-	{
-		/* Enable the UART Interrupt */
-		NVIC_EnableIRQ( uart->UART_IRQn );
-	}
+    RT_ASSERT(dev != RT_NULL);
+    if (dev->flag & RT_DEVICE_FLAG_INT_RX)
+    {
+        /* Enable the UART Interrupt */
+        NVIC_EnableIRQ( uart->UART_IRQn );
+    }
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
 static rt_err_t rt_uart_close(rt_device_t dev)
 {
     struct rt_uart_lpc *uart = (struct rt_uart_lpc*)dev;
 
-	RT_ASSERT(dev != RT_NULL);
-	if (dev->flag & RT_DEVICE_FLAG_INT_RX)
-	{
-		/* Disable the UART Interrupt */
-		NVIC_DisableIRQ( uart->UART_IRQn );
-	}
+    RT_ASSERT(dev != RT_NULL);
+    if (dev->flag & RT_DEVICE_FLAG_INT_RX)
+    {
+        /* Disable the UART Interrupt */
+        NVIC_DisableIRQ( uart->UART_IRQn );
+    }
 
-	return RT_EOK;
+    return RT_EOK;
 }
 
 static rt_size_t rt_uart_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
 {
-	rt_uint8_t* ptr;
-	struct rt_uart_lpc *uart = (struct rt_uart_lpc*)dev;
-	RT_ASSERT(uart != RT_NULL);
+    rt_uint8_t* ptr;
+    struct rt_uart_lpc *uart = (struct rt_uart_lpc*)dev;
+    RT_ASSERT(uart != RT_NULL);
 
-	/* point to buffer */
-	ptr = (rt_uint8_t*) buffer;
-	if (dev->flag & RT_DEVICE_FLAG_INT_RX)
-	{
-		while (size)
-		{
-			/* interrupt receive */
-			rt_base_t level;
+    /* point to buffer */
+    ptr = (rt_uint8_t*) buffer;
+    if (dev->flag & RT_DEVICE_FLAG_INT_RX)
+    {
+        while (size)
+        {
+            /* interrupt receive */
+            rt_base_t level;
 
-			/* disable interrupt */
-			level = rt_hw_interrupt_disable();
-			if (uart->read_index != uart->save_index)
-			{
-				*ptr = uart->rx_buffer[uart->read_index];
+            /* disable interrupt */
+            level = rt_hw_interrupt_disable();
+            if (uart->read_index != uart->save_index)
+            {
+                *ptr = uart->rx_buffer[uart->read_index];
 
-				uart->read_index ++;
-				if (uart->read_index >= RT_UART_RX_BUFFER_SIZE)
-					uart->read_index = 0;
-			}
-			else
-			{
-				/* no data in rx buffer */
+                uart->read_index ++;
+                if (uart->read_index >= RT_UART_RX_BUFFER_SIZE)
+                    uart->read_index = 0;
+            }
+            else
+            {
+                /* no data in rx buffer */
 
-				/* enable interrupt */
-				rt_hw_interrupt_enable(level);
-				break;
-			}
+                /* enable interrupt */
+                rt_hw_interrupt_enable(level);
+                break;
+            }
 
-			/* enable interrupt */
-			rt_hw_interrupt_enable(level);
+            /* enable interrupt */
+            rt_hw_interrupt_enable(level);
 
-			ptr ++;
-			size --;
-		}
+            ptr ++;
+            size --;
+        }
 
-		return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
-	}
+        return (rt_uint32_t)ptr - (rt_uint32_t)buffer;
+    }
 
-	return 0;
+    return 0;
 }
 
 static rt_size_t rt_uart_write(rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
 {
-	struct rt_uart_lpc *uart = (struct rt_uart_lpc*)dev;
-	char *ptr;
-	ptr = (char*)buffer;
+    struct rt_uart_lpc *uart = (struct rt_uart_lpc*)dev;
+    char *ptr;
+    ptr = (char*)buffer;
 
-	if (dev->flag & RT_DEVICE_FLAG_STREAM)
-	{
-		/* stream mode */
-		while (size)
-		{
-			if (*ptr == '\n')
-			{
-			    while (!(uart->UART->LSR & UART_LSR_THRE));
+    if (dev->flag & RT_DEVICE_FLAG_STREAM)
+    {
+        /* stream mode */
+        while (size)
+        {
+            if (*ptr == '\n')
+            {
+                while (!(uart->UART->LSR & UART_LSR_THRE));
                 UART_SendByte( uart->UART,'\r');
-			}
+            }
 
-			while (!(uart->UART->LSR & UART_LSR_THRE));
-			UART_SendByte( uart->UART,*ptr);
-			ptr ++;
-			size --;
-		}
-	}
-	else
-	{
+            while (!(uart->UART->LSR & UART_LSR_THRE));
+            UART_SendByte( uart->UART,*ptr);
+            ptr ++;
+            size --;
+        }
+    }
+    else
+    {
         UART_Send( uart->UART, (uint8_t *)buffer, size, BLOCKING);
     }
 
-	return (rt_size_t) ptr - (rt_size_t) buffer;
+    return (rt_size_t) ptr - (rt_size_t) buffer;
 }
 
 void rt_hw_uart_init(void)
 {
-	struct rt_uart_lpc* uart;
+    struct rt_uart_lpc* uart;
 
 #ifdef RT_USING_UART0
-	/* get uart device */
-	uart = &uart0_device;
-	uart0_device.UART = LPC_UART0;
-	uart0_device.UART_IRQn = UART0_IRQn;
+    /* get uart device */
+    uart = &uart0_device;
+    uart0_device.UART = LPC_UART0;
+    uart0_device.UART_IRQn = UART0_IRQn;
 
-	/* device initialization */
-	uart->parent.type = RT_Device_Class_Char;
-	rt_memset(uart->rx_buffer, 0, sizeof(uart->rx_buffer));
-	uart->read_index = uart->save_index = 0;
+    /* device initialization */
+    uart->parent.type = RT_Device_Class_Char;
+    rt_memset(uart->rx_buffer, 0, sizeof(uart->rx_buffer));
+    uart->read_index = uart->save_index = 0;
 
-	/* device interface */
-	uart->parent.init 	    = rt_uart_init;
-	uart->parent.open 	    = rt_uart_open;
-	uart->parent.close      = rt_uart_close;
-	uart->parent.read 	    = rt_uart_read;
-	uart->parent.write      = rt_uart_write;
-	uart->parent.control    = RT_NULL;
-	uart->parent.user_data  = RT_NULL;
+    /* device interface */
+    uart->parent.init       = rt_uart_init;
+    uart->parent.open       = rt_uart_open;
+    uart->parent.close      = rt_uart_close;
+    uart->parent.read       = rt_uart_read;
+    uart->parent.write      = rt_uart_write;
+    uart->parent.control    = RT_NULL;
+    uart->parent.user_data  = RT_NULL;
 
-	rt_device_register(&uart->parent,
-		"uart0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX);
+    rt_device_register(&uart->parent,
+        "uart0", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX);
 #endif
 
 #ifdef RT_USING_UART1
-	/* get uart device */
-	uart = &uart1_device;
-	uart1_device.UART = (LPC_UART_TypeDef *)LPC_UART1;
-	uart1_device.UART_IRQn = UART1_IRQn;
+    /* get uart device */
+    uart = &uart1_device;
+    uart1_device.UART = (LPC_UART_TypeDef *)LPC_UART1;
+    uart1_device.UART_IRQn = UART1_IRQn;
 
-	/* device initialization */
-	uart->parent.type = RT_Device_Class_Char;
-	rt_memset(uart->rx_buffer, 0, sizeof(uart->rx_buffer));
-	uart->read_index = uart->save_index = 0;
+    /* device initialization */
+    uart->parent.type = RT_Device_Class_Char;
+    rt_memset(uart->rx_buffer, 0, sizeof(uart->rx_buffer));
+    uart->read_index = uart->save_index = 0;
 
-	/* device interface */
-	uart->parent.init 	    = rt_uart_init;
-	uart->parent.open 	    = rt_uart_open;
-	uart->parent.close      = rt_uart_close;
-	uart->parent.read 	    = rt_uart_read;
-	uart->parent.write      = rt_uart_write;
-	uart->parent.control    = RT_NULL;
-	uart->parent.user_data  = RT_NULL;
+    /* device interface */
+    uart->parent.init       = rt_uart_init;
+    uart->parent.open       = rt_uart_open;
+    uart->parent.close      = rt_uart_close;
+    uart->parent.read       = rt_uart_read;
+    uart->parent.write      = rt_uart_write;
+    uart->parent.control    = RT_NULL;
+    uart->parent.user_data  = RT_NULL;
 
-	rt_device_register(&uart->parent,
-		"uart1", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX);
+    rt_device_register(&uart->parent,
+        "uart1", RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_STREAM | RT_DEVICE_FLAG_INT_RX);
 #endif
 }