提交 a8410acd 编写于 作者: wuyangyong's avatar wuyangyong

add stm32f2xx eth driver

git-svn-id: https://rt-thread.googlecode.com/svn/trunk@1649 bbd45198-f89e-11dd-88c7-29a3b14d5316
上级 aeff05a8
此差异已折叠。
此差异已折叠。
...@@ -45,6 +45,17 @@ struct stm32_serial_device uart1 = ...@@ -45,6 +45,17 @@ struct stm32_serial_device uart1 =
struct rt_device uart1_device; struct rt_device uart1_device;
#endif #endif
#ifdef RT_USING_UART6
struct stm32_serial_int_rx uart6_int_rx;
struct stm32_serial_device uart6 =
{
USART6,
&uart6_int_rx,
RT_NULL
};
struct rt_device uart6_device;
#endif
#ifdef RT_USING_UART2 #ifdef RT_USING_UART2
struct stm32_serial_int_rx uart2_int_rx; struct stm32_serial_int_rx uart2_int_rx;
struct stm32_serial_device uart2 = struct stm32_serial_device uart2 =
...@@ -103,6 +114,14 @@ struct rt_device uart3_device; ...@@ -103,6 +114,14 @@ struct rt_device uart3_device;
#define UART3_TX_DMA DMA1_Channel2 #define UART3_TX_DMA DMA1_Channel2
#define UART3_RX_DMA DMA1_Channel3 #define UART3_RX_DMA DMA1_Channel3
/* USART6_REMAP = 0 */
#define UART6_GPIO_TX GPIO_Pin_6
#define UART6_GPIO_RX GPIO_Pin_7
#define UART6_GPIO GPIOC
#define RCC_APBPeriph_UART6 RCC_APB2Periph_USART6
//#define UART1_TX_DMA DMA1_Channel?
//#define UART1_RX_DMA DMA1_Channel?
static void RCC_Configuration(void) static void RCC_Configuration(void)
{ {
#ifdef RT_USING_UART1 #ifdef RT_USING_UART1
...@@ -110,6 +129,12 @@ static void RCC_Configuration(void) ...@@ -110,6 +129,12 @@ static void RCC_Configuration(void)
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE); RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOA, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART1, ENABLE);
#endif #endif
#ifdef RT_USING_UART6
/* Enable USART6 and GPIOC clocks */
RCC_AHB1PeriphClockCmd(RCC_AHB1Periph_GPIOC, ENABLE);
RCC_APB2PeriphClockCmd(RCC_APB2Periph_USART6, ENABLE);
#endif
} }
static void GPIO_Configuration(void) static void GPIO_Configuration(void)
...@@ -120,13 +145,26 @@ static void GPIO_Configuration(void) ...@@ -120,13 +145,26 @@ static void GPIO_Configuration(void)
GPIO_InitStruct.GPIO_Mode=GPIO_Mode_AF; GPIO_InitStruct.GPIO_Mode=GPIO_Mode_AF;
GPIO_InitStruct.GPIO_Speed=GPIO_Speed_50MHz; GPIO_InitStruct.GPIO_Speed=GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_OType=GPIO_OType_PP; GPIO_InitStruct.GPIO_OType=GPIO_OType_PP;
GPIO_InitStruct.GPIO_PuPd=GPIO_PuPd_UP; GPIO_InitStruct.GPIO_PuPd=GPIO_PuPd_UP;
GPIO_InitStruct.GPIO_Pin=GPIO_Pin_9|GPIO_Pin_10; GPIO_InitStruct.GPIO_Pin=GPIO_Pin_9|GPIO_Pin_10;
GPIO_Init(GPIOA,&GPIO_InitStruct); GPIO_Init(GPIOA,&GPIO_InitStruct);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_USART1); GPIO_PinAFConfig(GPIOA, GPIO_PinSource9, GPIO_AF_USART1);
GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_USART1); GPIO_PinAFConfig(GPIOA, GPIO_PinSource10, GPIO_AF_USART1);
#endif
#ifdef RT_USING_UART6
GPIO_InitStruct.GPIO_Mode=GPIO_Mode_AF;
GPIO_InitStruct.GPIO_Speed=GPIO_Speed_50MHz;
GPIO_InitStruct.GPIO_OType=GPIO_OType_PP;
GPIO_InitStruct.GPIO_PuPd=GPIO_PuPd_UP;
GPIO_InitStruct.GPIO_Pin=UART6_GPIO_TX|UART6_GPIO_RX;
GPIO_Init(UART6_GPIO,&GPIO_InitStruct);
GPIO_PinAFConfig(UART6_GPIO, GPIO_PinSource6, GPIO_AF_USART6);
GPIO_PinAFConfig(UART6_GPIO, GPIO_PinSource7, GPIO_AF_USART6);
#endif #endif
} }
...@@ -142,6 +180,15 @@ static void NVIC_Configuration(void) ...@@ -142,6 +180,15 @@ static void NVIC_Configuration(void)
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE; NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure); NVIC_Init(&NVIC_InitStructure);
#endif #endif
#ifdef RT_USING_UART6
/* Enable the USART1 Interrupt */
NVIC_InitStructure.NVIC_IRQChannel = USART6_IRQn;
NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelSubPriority = 0;
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
#endif
} }
/* /*
...@@ -160,7 +207,7 @@ void rt_hw_usart_init() ...@@ -160,7 +207,7 @@ void rt_hw_usart_init()
/* uart init */ /* uart init */
#ifdef RT_USING_UART1 #ifdef RT_USING_UART1
USART_DeInit(USART1); USART_DeInit(USART1);
USART_InitStructure.USART_BaudRate = 115200; USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b; USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1; USART_InitStructure.USART_StopBits = USART_StopBits_1;
...@@ -181,8 +228,33 @@ void rt_hw_usart_init() ...@@ -181,8 +228,33 @@ void rt_hw_usart_init()
USART_Cmd(USART1, ENABLE); USART_Cmd(USART1, ENABLE);
USART_ClearFlag(USART1,USART_FLAG_TXE); USART_ClearFlag(USART1,USART_FLAG_TXE);
#endif #endif
/* uart init */
#ifdef RT_USING_UART6
USART_DeInit(USART6);
USART_InitStructure.USART_BaudRate = 115200;
USART_InitStructure.USART_WordLength = USART_WordLength_8b;
USART_InitStructure.USART_StopBits = USART_StopBits_1;
USART_InitStructure.USART_Parity = USART_Parity_No ;
USART_InitStructure.USART_HardwareFlowControl = USART_HardwareFlowControl_None;
USART_InitStructure.USART_Mode = USART_Mode_Rx | USART_Mode_Tx;
USART_Init(USART6, &USART_InitStructure);
/* register uart1 */
rt_hw_serial_register(&uart6_device, "uart6",
RT_DEVICE_FLAG_RDWR | RT_DEVICE_FLAG_INT_RX | RT_DEVICE_FLAG_STREAM,
&uart6);
/* enable interrupt */
USART_ITConfig(USART6, USART_IT_RXNE, ENABLE);
/* Enable USART6 */
USART_Cmd(USART6, ENABLE);
USART_ClearFlag(USART6,USART_FLAG_TXE);
#endif
} }
#ifdef RT_USING_UART1
void USART1_IRQHandler() void USART1_IRQHandler()
{ {
/* enter interrupt */ /* enter interrupt */
...@@ -193,3 +265,17 @@ void USART1_IRQHandler() ...@@ -193,3 +265,17 @@ void USART1_IRQHandler()
/* leave interrupt */ /* leave interrupt */
rt_interrupt_leave(); rt_interrupt_leave();
} }
#endif
#ifdef RT_USING_UART6
void USART6_IRQHandler()
{
/* enter interrupt */
rt_interrupt_enter();
rt_hw_serial_isr(&uart6_device);
/* leave interrupt */
rt_interrupt_leave();
}
#endif
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