/******************************************************************************
 * Copyright (C) 2014-2015 HangZhou SiZhu Co.,LTD.
 *
 *-----------------------------------------------------------------------------
 * File: 			    RS485.h
 * Description:		head file of RS485.c used to receive and send data 
 * Author:			  Lishoujian (867693272@qq.com)
 * Date:			    Jan 8, 2015
 *****************************************************************************/

/* ----------------------- Platform includes --------------------------------*/

#ifndef __RS485_H
#define __RS485_H			 
#include "sys.h"	 		
#include "gprs.h"


#ifdef UFG6X0_VALVE_HAVE_BILLING_CENTER

#define				UARTNUM						USART3
#define				UART_IRQ						USART3_IRQn
#define				APB_GPIO_GROUP				RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOE
#define				RCC_APB_Periph_UART			RCC_APB1Periph_USART3

#define				V_RS485_CON_EN_PIN_NUM					GPIO_Pin_2	//02-019
#define				V_RS485_CON_EN_PIN_GROUP					GPIOE 
#define				V_RS485_TXD_EN_PIN_NUM					GPIO_Pin_10
#define				V_RS485_TXD_EN_PIN_GROUP					GPIOB 
#define				V_RS485_RXD_EN_PIN_NUM					GPIO_Pin_11
#define				V_RS485_RXD_EN_PIN_GROUP					GPIOB 
#define				DMA_RS485_Channel							DMA1_Channel3	
#define				DMA_RS485_TX_Channel						DMA1_Channel2	
#define       RCC_AHB_Preiph_UART_DMA    RCC_AHBPeriph_DMA1
//ģʽ¿ØÖÆ
#define RS485_EN		PEout(2)	//485 mode control.0,receive;1,send.
#define   V_RS485_EN_HIGH    GPIO_SetBits(GPIOE,GPIO_Pin_2)
#define   V_RS485_EN_LOW     GPIO_ResetBits(GPIOE,GPIO_Pin_2)

#else
#define				UARTNUM						UART4
#define				UART_IRQ						UART4_IRQn
#define				APB_GPIO_GROUP				RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD
#define				RCC_APB_Periph_UART			RCC_APB1Periph_UART4

#define				V_RS485_CON_EN_PIN_NUM					GPIO_Pin_4	//02-019
#define				V_RS485_CON_EN_PIN_GROUP					GPIOD 
#define				V_RS485_TXD_EN_PIN_NUM					GPIO_Pin_10
#define				V_RS485_TXD_EN_PIN_GROUP					GPIOC 
#define				V_RS485_RXD_EN_PIN_NUM					GPIO_Pin_11
#define				V_RS485_RXD_EN_PIN_GROUP					GPIOC 
#define				DMA_RS485_Channel							DMA2_Channel3	
#define				DMA_RS485_TX_Channel						DMA2_Channel5	
#define       RCC_AHB_Preiph_UART_DMA    RCC_AHBPeriph_DMA2
#define				DMA_RS485_TC								DMA2_FLAG_TC3	
#define				DMA_RS485_TX_TC								DMA2_FLAG_TC5	
//#define				RS485_EN_NUM	12	
//ģʽ¿ØÖÆ
#define   RS485_EN		PDout(4)	//485 mode control.0,receive;1,send.
#define   V_RS485_EN_HIGH    GPIO_SetBits(GPIOD,GPIO_Pin_4)
#define   V_RS485_EN_LOW     GPIO_ResetBits(GPIOD,GPIO_Pin_4)
#endif


#define		REC_LENGTH		900
#define		SEND_MAX_NUM	 200



typedef enum
{
	UP_PC_COM,
	RS485_MODBUS_RTU_COM,
	BT_COM

}COM_TYPE;





typedef struct rx_modbus_t
{
	u8		RS485_BUF[REC_LENGTH];
	u16		rec_buffer_cnt;
	u8		receive_modebus_head_flag;
	u16		rec_buffer_cnt_old;
	u16		rec_check_equre_cnt;

}RX_MODBUS_T;

void UartDebugFun(char *str);
void RS485_TXDMA_Init(u8 *data,u32 lenth);
void RS485_Usart_Init(uint32  system_BaudRate);
void RS485_Send_Data(uint8 *buf,uint16 len);

void RS485_Receive_Data(uint8 * recbuf, uint8 *rec485buffer, uint8 len);

extern	RX_MODBUS_T	rs485_receive_g;
extern	u8	share_sendbuf[SEND_MAX_NUM];
#endif