AirControlValve/Device/uart.h

/* Copyright Statement:
 *
 * This software/firmware and related documentation ("AutoChips Software") are
 * protected under relevant copyright laws. The information contained herein is
 * confidential and proprietary to AutoChips Inc. and/or its licensors. Without
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 * information contained herein, in whole or in part, shall be strictly
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 * AutoChips Inc. (C) 2016. All rights reserved.
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 * THAT THE SOFTWARE/FIRMWARE AND ITS DOCUMENTATIONS ("AUTOCHIPS SOFTWARE")
 * RECEIVED FROM AUTOCHIPS AND/OR ITS REPRESENTATIVES ARE PROVIDED TO RECEIVER
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#ifndef UART_H
#define UART_H
#ifdef __cplusplus
extern "C" {
#endif
#include "ac780x.h"
#include "cobs.h" 
#include "fifo.h"

#define BaudRate_4800    (0x01)
#define BaudRate_9600    (0x02)
#define BaudRate_19200   (0x03)
#define BaudRate_38400   (0x04)
#define BaudRate_57600   (0x05)
#define BaudRate_115200  (0x06)
#define BaudRate_230400  (0x07)



#define UART_BaudRate    9600
#define UART_TRANSMIT_DATA_POOL_COUNT (128)
#define UART_RECV_DATA_POOL_COUNT     (320)  

//rs485 send/recv ctrl
#define UART_DMASEND_COUNT_START   (1)  
#define UART_DMASEND_COUNT_END   (100)
#define UART_DMASEND_COUNT_RESET   (107)   

typedef struct
{
		uint16_t  recv_len;
		uint16_t  send_len;
    uint8_t* recv_buffer;
		uint8_t* send_buffer;
		uint8_t  dmasend_count;  //ms count 
		uint8_t  res;
}UART_INFO;


extern UART_INFO  rs485_info;

void rs485_Initialize(void);
int rs485_TransmitData(uint8_t *pdata, uint16_t length);
void rs485_RecvData(void);

#ifdef __cplusplus
}
#endif

#endif /* UART_H */