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98 lines
4.7 KiB
98 lines
4.7 KiB
2 days ago
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#ifndef __RS485_H__
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#define __RS485_H__
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#include "n32g45x.h"
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#include "ringbuffer.h"
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#define RS_DMA_TX_BUF_SIZE (32)
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#define RS_DMA_RX_BUF_SIZE (40)
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#define RS_UL1_DMA_TX_BUF_SIZE (RS_DMA_TX_BUF_SIZE)
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#define RS_UL2_DMA_TX_BUF_SIZE (RS_DMA_TX_BUF_SIZE)
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#define RS_UL3_DMA_TX_BUF_SIZE (RS_DMA_TX_BUF_SIZE)
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#define RS_DL1_DMA_TX_BUF_SIZE (RS_DMA_TX_BUF_SIZE)
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#define RS_DL2_DMA_TX_BUF_SIZE (RS_DMA_TX_BUF_SIZE)
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#define RS_DL3_DMA_TX_BUF_SIZE (RS_DMA_TX_BUF_SIZE)
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#define RS_UL1_DMA_RX_BUF_SIZE (RS_DMA_RX_BUF_SIZE)
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#define RS_UL2_DMA_RX_BUF_SIZE (RS_DMA_RX_BUF_SIZE)
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#define RS_UL3_DMA_RX_BUF_SIZE (RS_DMA_RX_BUF_SIZE)
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#define RS_DL1_DMA_RX_BUF_SIZE (RS_DMA_RX_BUF_SIZE)
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#define RS_DL2_DMA_RX_BUF_SIZE (RS_DMA_RX_BUF_SIZE)
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#define RS_DL3_DMA_RX_BUF_SIZE (RS_DMA_RX_BUF_SIZE)
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extern uint8_t rs_ul1_dma_tx_buf[RS_UL1_DMA_TX_BUF_SIZE];
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extern uint8_t rs_ul2_dma_tx_buf[RS_UL2_DMA_TX_BUF_SIZE];
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extern uint8_t rs_ul3_dma_tx_buf[RS_UL3_DMA_TX_BUF_SIZE];
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extern uint8_t rs_dl1_dma_tx_buf[RS_DL1_DMA_TX_BUF_SIZE];
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extern uint8_t rs_dl2_dma_tx_buf[RS_DL2_DMA_TX_BUF_SIZE];
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extern uint8_t rs_dl3_dma_tx_buf[RS_DL3_DMA_TX_BUF_SIZE];
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extern uint8_t rs_ul1_dma_rx_buf[RS_UL1_DMA_RX_BUF_SIZE];
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extern uint8_t rs_ul2_dma_rx_buf[RS_UL2_DMA_RX_BUF_SIZE];
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extern uint8_t rs_ul3_dma_rx_buf[RS_UL3_DMA_RX_BUF_SIZE];
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extern uint8_t rs_dl1_dma_rx_buf[RS_DL1_DMA_RX_BUF_SIZE];
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extern uint8_t rs_dl2_dma_rx_buf[RS_DL2_DMA_RX_BUF_SIZE];
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extern uint8_t rs_dl3_dma_rx_buf[RS_DL3_DMA_RX_BUF_SIZE];
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typedef struct stRS485 {
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char *name ; // 字符串名称，调试打印使用
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// 收发管脚存在不在同一GPIO组的情况，所以收发分开
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// 所有IO都是挂在APB2总线上的，所以配置IO时钟的函数没有放在这里
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USART_Module* UART;
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uint32_t UART_CLK; // 串口时钟
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void (*UART_APBxClkCmd)(uint32_t, FunctionalState); // 设置串口时钟的函数
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GPIO_Module* UART_RxGPIO; // 接收管脚GPIO组 GPIOA、B、C....
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uint16_t UART_RxPin; // 接收管脚Pin值
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uint32_t UART_RxGPIO_CLK; // 接收管脚时钟
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GPIO_Module* UART_TxGPIO; // 发送脚GPIO组 GPIOA、B、C....
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uint16_t UART_TxPin; // 发送脚Pin值
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uint32_t UART_TxGPIO_CLK; // 发送脚时钟
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IRQn_Type UART_IRQn; // 接收中断通道
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// 以上是与串口初始化相关的内容
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//// 以下是控制485收发器的开关、收发模式相关的IO
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//GPIO_Module* TR_GPIO ; // 控制收发的GPIO组
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//uint16_t TR_Pin ; // 控制收发的Pin值
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//uint32_t TR_GPIO_CLK ; // 控制收发的管脚的时钟
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//GPIO_Module* PWR_GPIO ; // 控制收发的GPIO组
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//uint16_t PWR_Pin ; // 控制收发的Pin值
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//uint32_t PWR_GPIO_CLK; // 控制收发的管脚的时钟
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uint32_t DMA_RCC_AHBPeriph ; // DMA时钟
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DMA_Module* DMAy ; // DMA1\DMA2
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uint32_t PeriphAddr ; // 指定 DMAy Channelx 的外设基地址
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uint8_t* TxBuf ; //
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uint32_t TxMemAddr ; // 指定 DMAy Channelx 的内存基地址
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uint32_t TxBufSize ; // 指定指定通道的缓冲区大小，以数据为单位
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DMA_ChannelType* TxDMAyChx ; // Tx DMA通道
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uint32_t TxMAy_REMAP ; //
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uint8_t* RxBuf ; //
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uint32_t RxMemAddr ; // 指定 DMAy Channelx 的内存基地址
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uint32_t RxBufSize ; // 指定指定通道的缓冲区大小，以数据为单位
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DMA_ChannelType* RxDMAyChx ; // Rx DMA通道
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uint32_t RxMAy_REMAP ; //
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uint32_t DMAyFlagHC ; // 半满标志位
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uint32_t DMAyFlagTC ; // 全满标志位
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uint32_t DMAy_IT_HC ; // 半满中断标志位
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uint32_t DMAy_IT_TC ; // 全满中断标志位
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IRQn_Type DMA_IRQn ; // DMA中断通道
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RingBuffer_T rx_ringbuff;
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} RS485_T;
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void Rs485_UL_1_Init(RS485_T *rs485);
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void Rs485_UL_2_Init(RS485_T *rs485);
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void Rs485_UL_3_Init(RS485_T *rs485);
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void Rs485_DL_1_Init(RS485_T *rs485);
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void Rs485_DL_2_Init(RS485_T *rs485);
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void Rs485_DL_3_Init(RS485_T *rs485);
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void Rs485_Init(RS485_T *rs485, uint32_t BaudRate, uint16_t WordLength, uint16_t StopBits, uint16_t Parity);
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void RS485_Send(RS485_T *rs485, uint8_t *_buf, uint16_t _len);
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void Rs485_DMA_Revice_EN(RS485_T *rs485, uint16_t BufferLength);
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void RS485_Recieve_Process(RS485_T *rs485);
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#endif /* __RS485_H__ */
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