48 lines
1.6 KiB
C
48 lines
1.6 KiB
C
#ifndef __LHL_UART_H__
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#define __LHL_UART_H__
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/*==================================================================================*/
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//系统宏重定义
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/*==================================================================================*/
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#define UART0 pUART0
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#define UART1 pUART1
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#define SOURCE_UART0_TX REQUEST_SOURCE_UART0_TX
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#define SOURCE_UART0_RX REQUEST_SOURCE_UART0_RX
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#define SOURCE_UART1_TX REQUEST_SOURCE_UART1_TX
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#define SOURCE_UART1_RX REQUEST_SOURCE_UART1_RX
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/*==================================================================================*/
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//系统宏定义
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/*==================================================================================*/
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#define IDLE_FRAME_INTERVAL 35 /* 空闲帧长度bit 3.5 *10 = */
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#define TCD_COUNT 2 /* TCD描述符数量 */
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#define DMA_USE_UART_CHOOSE 0 /* 控制DMA使用的串口： 0 UART0 ，1 UART1*/
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#if DMA_USE_UART_CHOOSE
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#define DMA_UART UART1
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#define REQUEST_SOURCE_UART_TX SOURCE_UART1_TX
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#define REQUEST_SOURCE_UART_RX SOURCE_UART1_RX
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#define MainUartInit(x) UART1_Init(x)
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#else
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#define DMA_UART UART0
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#define REQUEST_SOURCE_UART_TX SOURCE_UART0_TX
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#define REQUEST_SOURCE_UART_RX SOURCE_UART0_RX
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#define MainUartInit(x) UART0_Init(x)
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#endif
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void DMA_UART_AnyLength_Rx_Init(uint32_t baudrate_bps);//串口DMA不定长接收初始化
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void Get_UART_Rx_ActualLength(void); //获取接收长度
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void DMA_UART_Tx_Init(void);
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extern DMA_HandleTypeDef DMA_Handle_UartRx ,DMA_Handle_UartTx;
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void UART0_Init(uint32_t baudrate_bps);
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void UART1_Init(uint32_t baudrate_bps);
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#endif
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