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34 lines
1011 B
34 lines
1011 B
#ifndef _rs485_H
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#define _rs485_H
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#include "stm32f10x.h" // Device header
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extern u8 RS485_RX_BUF[128]; //receive buffer, max 128
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extern u8 RS485_RX_CNT; // received data length
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extern u8 RS485_RX_Flag_Num;
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extern u8 RS485_RX_Flag;
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#define RS485_1_TX_EN PBout(11) // 485 mode control. 0:receiving; 1:Send
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#define RS485_2_TX_EN PBout(10) // 485 mode control. 0:receiving; 1:Send
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#define RS485_3_TX_EN PBout(4) // 485 mode control. 0:receiving; 1:Send
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void RS485_1_Init(u32 bound);
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void RS485_2_Init(u32 bound);
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void RS485_3_Init(u32 bound);
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void RS485_1_Send_Data(u8 *buf,u8 len);
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void RS485_1_Send_Data_1(u8 *buf,u8 len);
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//void RS485_3_Send_Data_1(void);
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void RS485_1_Upload_Params(void);
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void RS485_1_sync_env_params(void);
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void RS485_3_Send_Data(u8 *buf,u8 len);
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void RS485_Receive_Data(u8 *buf,u8 *len);
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void SN74CB3Q3253_Init(void);
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u8 CRC16_check(u8 *puchMsg, u16 usDataLen);
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void GetCRC16(u8 *puchMsg, u16 usDataLen,u8 *uchCRCHi,u8 *uchCRCLo) ;
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#endif
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