[bsp][stm32f10x][adapt] to serial frame about dma

上级 7563849a
......@@ -45,6 +45,7 @@ struct stm32_uart
{
USART_TypeDef *uart_device;
IRQn_Type irq;
#ifdef RT_SERIAL_USING_DMA
struct stm32_uart_dma
{
/* dma channel */
......@@ -58,9 +59,12 @@ struct stm32_uart
/* last receive index */
rt_size_t last_recv_index;
} dma;
#endif /* RT_SERIAL_USING_DMA */
};
#ifdef RT_SERIAL_USING_DMA
static void DMA_Configuration(struct rt_serial_device *serial);
#endif /* RT_SERIAL_USING_DMA */
static rt_err_t stm32_configure(struct rt_serial_device *serial, struct serial_configure *cfg)
{
......@@ -107,7 +111,6 @@ static rt_err_t stm32_configure(struct rt_serial_device *serial, struct serial_c
static rt_err_t stm32_control(struct rt_serial_device *serial, int cmd, void *arg)
{
struct stm32_uart* uart;
rt_uint32_t ctrl_arg = (rt_uint32_t)(arg);
RT_ASSERT(serial != RT_NULL);
uart = (struct stm32_uart *)serial->parent.user_data;
......@@ -128,12 +131,14 @@ static rt_err_t stm32_control(struct rt_serial_device *serial, int cmd, void *ar
/* enable interrupt */
USART_ITConfig(uart->uart_device, USART_IT_RXNE, ENABLE);
break;
#ifdef RT_SERIAL_USING_DMA
/* USART config */
case RT_DEVICE_CTRL_CONFIG :
if (ctrl_arg == RT_DEVICE_FLAG_DMA_RX) {
if ((rt_uint32_t)(arg) == RT_DEVICE_FLAG_DMA_RX) {
DMA_Configuration(serial);
}
break;
#endif /* RT_SERIAL_USING_DMA */
}
return RT_EOK;
}
......@@ -182,6 +187,7 @@ static int stm32_getc(struct rt_serial_device *serial)
return ch;
}
#ifdef RT_SERIAL_USING_DMA
/**
* Serial port receive idle process. This need add to uart idle ISR.
*
......@@ -231,6 +237,7 @@ static void dma_rx_done_isr(struct rt_serial_device *serial) {
DMA_ClearFlag(uart->dma.rx_gl_flag);
}
#endif /* RT_SERIAL_USING_DMA */
/**
* Uart common interrupt process. This need add to uart ISR.
......@@ -251,10 +258,12 @@ static void uart_isr(struct rt_serial_device *serial) {
/* clear interrupt */
USART_ClearITPendingBit(uart->uart_device, USART_IT_RXNE);
}
#ifdef RT_SERIAL_USING_DMA
if(USART_GetITStatus(uart->uart_device, USART_IT_IDLE) != RESET)
{
dma_uart_rx_idle_isr(serial);
}
#endif /* RT_SERIAL_USING_DMA */
if (USART_GetITStatus(uart->uart_device, USART_IT_TC) != RESET)
{
/* clear interrupt */
......@@ -284,6 +293,7 @@ static const struct rt_uart_ops stm32_uart_ops =
struct stm32_uart uart1 =
{
USART1,
#ifdef RT_SERIAL_USING_DMA
USART1_IRQn,
{
DMA1_Channel5,
......@@ -291,6 +301,7 @@ struct stm32_uart uart1 =
DMA1_Channel5_IRQn,
0,
},
#endif /* RT_SERIAL_USING_DMA */
};
struct rt_serial_device serial1;
......@@ -305,6 +316,7 @@ void USART1_IRQHandler(void)
rt_interrupt_leave();
}
#ifdef RT_SERIAL_USING_DMA
void DMA1_Channel5_IRQHandler(void) {
/* enter interrupt */
rt_interrupt_enter();
......@@ -314,6 +326,8 @@ void DMA1_Channel5_IRQHandler(void) {
/* leave interrupt */
rt_interrupt_leave();
}
#endif /* RT_SERIAL_USING_DMA */
#endif /* RT_USING_UART1 */
#if defined(RT_USING_UART2)
......@@ -321,6 +335,7 @@ void DMA1_Channel5_IRQHandler(void) {
struct stm32_uart uart2 =
{
USART2,
#ifdef RT_SERIAL_USING_DMA
USART2_IRQn,
{
DMA1_Channel6,
......@@ -328,6 +343,7 @@ struct stm32_uart uart2 =
DMA1_Channel6_IRQn,
0,
},
#endif /* RT_SERIAL_USING_DMA */
};
struct rt_serial_device serial2;
......@@ -342,6 +358,7 @@ void USART2_IRQHandler(void)
rt_interrupt_leave();
}
#ifdef RT_SERIAL_USING_DMA
void DMA1_Channel6_IRQHandler(void) {
/* enter interrupt */
rt_interrupt_enter();
......@@ -351,6 +368,8 @@ void DMA1_Channel6_IRQHandler(void) {
/* leave interrupt */
rt_interrupt_leave();
}
#endif /* RT_SERIAL_USING_DMA */
#endif /* RT_USING_UART2 */
#if defined(RT_USING_UART3)
......@@ -358,6 +377,7 @@ void DMA1_Channel6_IRQHandler(void) {
struct stm32_uart uart3 =
{
USART3,
#ifdef RT_SERIAL_USING_DMA
USART3_IRQn,
{
DMA1_Channel3,
......@@ -365,6 +385,7 @@ struct stm32_uart uart3 =
DMA1_Channel3_IRQn,
0,
},
#endif /* RT_SERIAL_USING_DMA */
};
struct rt_serial_device serial3;
......@@ -379,6 +400,7 @@ void USART3_IRQHandler(void)
rt_interrupt_leave();
}
#ifdef RT_SERIAL_USING_DMA
void DMA1_Channel3_IRQHandler(void) {
/* enter interrupt */
rt_interrupt_enter();
......@@ -388,6 +410,8 @@ void DMA1_Channel3_IRQHandler(void) {
/* leave interrupt */
rt_interrupt_leave();
}
#endif /* RT_SERIAL_USING_DMA */
#endif /* RT_USING_UART3 */
#if defined(RT_USING_UART4)
......@@ -395,6 +419,7 @@ void DMA1_Channel3_IRQHandler(void) {
struct stm32_uart uart4 =
{
UART4,
#ifdef RT_SERIAL_USING_DMA
UART4_IRQn,
{
DMA2_Channel3,
......@@ -402,6 +427,7 @@ struct stm32_uart uart4 =
DMA2_Channel3_IRQn,
0,
},
#endif /* RT_SERIAL_USING_DMA */
};
struct rt_serial_device serial4;
......@@ -416,6 +442,7 @@ void UART4_IRQHandler(void)
rt_interrupt_leave();
}
#ifdef RT_SERIAL_USING_DMA
void DMA2_Channel3_IRQHandler(void) {
/* enter interrupt */
rt_interrupt_enter();
......@@ -425,6 +452,8 @@ void DMA2_Channel3_IRQHandler(void) {
/* leave interrupt */
rt_interrupt_leave();
}
#endif /* RT_SERIAL_USING_DMA */
#endif /* RT_USING_UART4 */
static void RCC_Configuration(void)
......@@ -521,6 +550,7 @@ static void NVIC_Configuration(struct stm32_uart* uart)
NVIC_Init(&NVIC_InitStructure);
}
#ifdef RT_SERIAL_USING_DMA
static void DMA_Configuration(struct rt_serial_device *serial) {
struct stm32_uart *uart = (struct stm32_uart *) serial->parent.user_data;
struct rt_serial_rx_fifo *rx_fifo = (struct rt_serial_rx_fifo *)serial->serial_rx;
......@@ -562,6 +592,7 @@ static void DMA_Configuration(struct rt_serial_device *serial) {
NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
NVIC_Init(&NVIC_InitStructure);
}
#endif /* RT_SERIAL_USING_DMA */
void rt_hw_usart_init(void)
{
......
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