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/******************************************************************************
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* Copyright (C) 2014-2015 HangZhou SiZhu Co.,LTD.
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*
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*-----------------------------------------------------------------------------
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* File: RS485.h
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* Description: head file of RS485.c used to receive and send data
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* Author: Lishoujian (867693272@qq.com)
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* Date: Jan 8, 2015
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*****************************************************************************/
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/* ----------------------- Platform includes --------------------------------*/
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#ifndef __RS485_H
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#define __RS485_H
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#include "sys.h"
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#include "gprs.h"
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#ifdef UFG6X0_VALVE_HAVE_BILLING_CENTER
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#define UARTNUM USART3
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#define UART_IRQ USART3_IRQn
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#define APB_GPIO_GROUP RCC_APB2Periph_GPIOB|RCC_APB2Periph_GPIOE
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#define RCC_APB_Periph_UART RCC_APB1Periph_USART3
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#define V_RS485_CON_EN_PIN_NUM GPIO_Pin_2 //02-019
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#define V_RS485_CON_EN_PIN_GROUP GPIOE
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#define V_RS485_TXD_EN_PIN_NUM GPIO_Pin_10
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#define V_RS485_TXD_EN_PIN_GROUP GPIOB
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#define V_RS485_RXD_EN_PIN_NUM GPIO_Pin_11
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#define V_RS485_RXD_EN_PIN_GROUP GPIOB
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#define DMA_RS485_Channel DMA1_Channel3
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#define DMA_RS485_TX_Channel DMA1_Channel2
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#define RCC_AHB_Preiph_UART_DMA RCC_AHBPeriph_DMA1
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//ģʽ¿ØÖÆ
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#define RS485_EN PEout(2) //485 mode control.0,receive;1,send.
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#define V_RS485_EN_HIGH GPIO_SetBits(GPIOE,GPIO_Pin_2)
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#define V_RS485_EN_LOW GPIO_ResetBits(GPIOE,GPIO_Pin_2)
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#else
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#define UARTNUM UART4
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#define UART_IRQ UART4_IRQn
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#define APB_GPIO_GROUP RCC_APB2Periph_GPIOC|RCC_APB2Periph_GPIOD
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#define RCC_APB_Periph_UART RCC_APB1Periph_UART4
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#define V_RS485_CON_EN_PIN_NUM GPIO_Pin_4 //02-019
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#define V_RS485_CON_EN_PIN_GROUP GPIOD
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#define V_RS485_TXD_EN_PIN_NUM GPIO_Pin_10
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#define V_RS485_TXD_EN_PIN_GROUP GPIOC
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#define V_RS485_RXD_EN_PIN_NUM GPIO_Pin_11
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#define V_RS485_RXD_EN_PIN_GROUP GPIOC
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#define DMA_RS485_Channel DMA2_Channel3
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#define DMA_RS485_TX_Channel DMA2_Channel5
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#define RCC_AHB_Preiph_UART_DMA RCC_AHBPeriph_DMA2
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#define DMA_RS485_TC DMA2_FLAG_TC3
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#define DMA_RS485_TX_TC DMA2_FLAG_TC5
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//#define RS485_EN_NUM 12
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//ģʽ¿ØÖÆ
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#define RS485_EN PDout(4) //485 mode control.0,receive;1,send.
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#define V_RS485_EN_HIGH GPIO_SetBits(GPIOD,GPIO_Pin_4)
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#define V_RS485_EN_LOW GPIO_ResetBits(GPIOD,GPIO_Pin_4)
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#endif
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#define REC_LENGTH 900
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#define SEND_MAX_NUM 200
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typedef enum
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{
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UP_PC_COM,
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RS485_MODBUS_RTU_COM,
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BT_COM
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}COM_TYPE;
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typedef struct rx_modbus_t
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{
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u8 RS485_BUF[REC_LENGTH];
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u16 rec_buffer_cnt;
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u8 receive_modebus_head_flag;
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u16 rec_buffer_cnt_old;
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u16 rec_check_equre_cnt;
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}RX_MODBUS_T;
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void UartDebugFun(char *str);
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void RS485_TXDMA_Init(u8 *data,u32 lenth);
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void RS485_Usart_Init(uint32 system_BaudRate);
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void RS485_Send_Data(uint8 *buf,uint16 len);
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void RS485_Receive_Data(uint8 * recbuf, uint8 *rec485buffer, uint8 len);
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extern RX_MODBUS_T rs485_receive_g;
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extern u8 share_sendbuf[SEND_MAX_NUM];
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#endif
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