CM.rar_3AIU_645协议_dlt 645_单片机通信流程

/************************************************************************** * Copyright (c) 2014 Wasion Group; * All Rights Reserved *************************************************************************** * THIS SOFTWARE IS PROVIDED BY WASION "AS IS" AND ANY EXPRESSED OR * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. * IN NO EVENT SHALL WASION OR ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, * INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING * IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF * THE POSSIBILITY OF SUCH DAMAGE. ***************************************************************************//*! * @file meter_comunication.c * @author W16555 * @version 1.0 * @date AUG-28-2014 * @brief comunication module of the MMK34 multi-channel 3-phase electricity meter. * @notes ******************************************************************************/ /* ------------------------------------- includes -------------------------------------- */ #include "CM.h" #include "..\EEP\EEP.h" #include "..\SI\SI.h" /* -------------------------------------- defines --------------------------------------- */ //#define CESHI 1 /* -------------------------------- function declaration -------------------------------- */ void uart_init(UINT8 lowpowermode, UINT16 len,UINT8 comid); void spi_init(UINT8 lowpowermode, UINT16 len); void F_Back_Check(); void F_repeat_back(); Frame645 COM_645; UINT8 DeviceAddr1[6]; UINT8 DataLen; UINT64 Reset_CM = 0;//载波复位标志 SINT32 ABCabc[100]; SINT32 ABCabc1[100]; int sinowell = 0; /* ---------------------------------- global variables ---------------------------------- */ static UINT8 COM_RX_Buff[80]; /* Tx/Rx buffer */ static UINT8 COM_TX_Buff[200]; /* Tx/Rx buffer */ static UINT8 COM_RX_Buff_1[80]; UINT8 COM_Flag_1; volatile UINT8 COM_Buf_Tmp_1; volatile UINT8 COM_RX_Cnt_1 = 0; //volatile UINT8 COM_State_1 = 0; UINT8 COM_TX_Cnt_1 = 0; UINT8 Send_645addr_start = 0; UINT8 Read_645_addr = 0; UINT16 Uint16_Temp_Val; UINT8 Temp_positive_flag; UINT8 CM_address[18] = {0x68,0x11,0x11,0x11,0x11,0x11,0x11,0x68,0x93,0x06,0x44,0x44,0x44,0x44,0x44,0x44,0x67,0x16}; //UINT8 Read_addr_success = 0; volatile UINT8 COM_RX_Flag_1; volatile UINT8 COM_RX_Flag, COM_Buf_Tmp; /*" 串口中断接收标志 "*/ UINT8 *COM_TX_Ptr; UINT8 dat_code, cmd_code; static UINT16 COM_Flag; /*" SPI标志, 用于指示打包写数据的复位项, YP20151015 "*/ volatile UINT16 COM_TX_Cnt, COM_TX_Len, COM_RX_Cnt, DMA_RX_Len; // SPI transmit length volatile UINT8 COM_State; // communication inferface state volatile UINT8 COM_TXEnd_Flag; /*" 发送数据完毕标志 "*/ volatile SINT32 *Ptr32; volatile UINT32 *EnergyPtrbufa, *EnergyPtrbufb; // energy intermediate buffer pointer volatile UINT32 *EnergyPtrcal; // energy calculate buffer pointer volatile UINT32 *EnergyPtrtran; // energy transmit buffer pointer volatile SINT64 *EnergyPtradd; /*" 累计电量数据包缓存区指针 "*/ volatile UINT8 CRC_Pass_Flag = RESET; volatile UINT16 CRC_UnPass_Times = 0; UINT8 ModbusRead(UINT8 *dat); UINT8 ModbusRead_CM(UINT8 *dat); UINT16 CRC16_MODBUS(UINT8 *startaddr, UINT16 len); void Read645(); void Read645_CM(); void Write645(); void Write645_CM(); void LIB_MemCpy(UINT8 *src, UINT8 *dest, UINT16 len); void LIB_LongToBcd (UINT8 *srcData, UINT8 *destData); UINT8 LIB_CharToBcd (UINT8 srcData); void LIB_ShortToBcd (UINT8 *srcData, UINT8 * destData); UINT8 LIB_BcdToChar (UINT8 srcData); UINT16 LIB_BcdToShort(UINT8 *srcData); void V_Calibration(); void I_Calibration(); void P_Calibration(); void P_offsetL_Calibration(); #ifdef CESHI volatile UINT8 ceshi, ceshi1; static UINT16 volatile COM_RX_Buff1[500], COM_TX_Buff1[500]; /* Tx/Rx buffer */ #endif volatile UINT8 Change_modbus_Fig = 0; /* modbus协议和校表协议切换标志 */ const UINT16 crc_tb[16]= { 0x0000,0x1021,0x2042,0x3063,0x4084,0x50a5,0x60c6,0x70e7, 0x8108,0x9129,0xa14a,0xb16b,0xc18c,0xd1ad,0xe1ce,0xf1ef, }; volatile UINT8 FunctionNumber; volatile UINT16 ByteCount; volatile UINT16 BeginRegister; volatile UINT8 WriteByteL; /*" 写命令的数据长度 "*/ volatile UINT16 crc_tx; UINT8 DeviceAddr; MODBUS_BUFF modbus_buff; unsigned int Modbus_CRC(unsigned char len , unsigned int CRC, unsigned cnt, unsigned char buff[]); void Data_Copy(unsigned char *Dest, unsigned char *Src, unsigned char Len) { while (Len>0 ) { *Dest = *Src; Dest++; Src++; Len--; } } void Data_Copy_BIGEDIAN( unsigned char *Dest, unsigned char *Src, unsigned char Len ) { while (Len>0 ) { *(Dest+Len-1) = *Src; //Dest++; Src++; Len--; } } /* ----------------------------------- functions ------------------------------------ */ /* --------------------------------------------------- % fun_name: spi_init() % fun_prag: lowpowermode -- system run mode % fun_return: none % fun_desp: SPI1 initialization, transmit by IRQ, receive by DMA -------------------------------------------------- */ void spi_init(UINT8 lowpowermode, UINT16 len) { // initial SPI in SYSRUN_NORMAL、SYSRUN_LPMEA and SYSRUN_LPTIM mode if(lowpowermode != SYSRUN_LOWPOWER) { DMA_RX_Len = len; // receive 5 half-words as a default CRC_UnPass_Times = 0; SPI1_BR = 0x00; SPI1_C2 = 0x00; SPI1_C1 = 0x04; SPI1_ML = 0x00; SPI1_MH = 0x00; dat_code = SPI1_S; dat_code = SPI1_DL; cmd_code = SPI1_DH; SPI1_CI = 0x00; SPI1_C3 = 0x00; COM_State = COM_IDLE; /* Install DMA2 callback and initialize DMA2 channel */ DMA_InstallCallback (DMA2, PRI_LVL_3, dma_callback); DMA_Init (DMA2,DMA_CH_HWTRG_P2M_CS_CONFIG(DMA2_REQ_SPI1_RX,DMA_SIZE16BIT, &SPI1_DL,COM_RX_Buff,DMA_RX_Len*2)); /* SPI1 initialization */ /*" 不需要上拉电阻 "*/ PORT_Init (PORTI, PORT_MODULE_ALT4_MODE, SPI1_MOSI | SPI1_MISO); /*" 需要上拉电阻 "*/ // PORT_Init (PORTI, PORT_MODULE_ALT5_MODE, SPI1_MOSI | SPI1_MISO); PORT_Init (PORTF, PORT_MODULE_ALT2_MODE, SPI1_SCK | SPI1_SS); SPI_Init (SPI1, SPI_MODULE_DIV64_16B_RXDMA_TXIRQ_CONFIG,NULL, PRI_LVL_3, spi1_callback); } else { ; } } /* --------------------------------------------------- % fun_name: uart_init() % fun_prag: none % fun_return: none % fun_desp: communication interface initialization, transmit by IRQ, receive by DMA -------------------------------------------------- */ void uart_init(UINT8 lowpowermode, UINT16 len,UINT8 comid) { if(comid == _COM_ID_485) { if(lowpowermode != SYSRUN_LOWPOWER) { DMA_RX_Len = len<<1; // receive 10 bytes as a default COM_RX_Cnt = 0; //COM_RX_Cnt_1 = 0; COM_RX_Flag = 0; //COM_RX_Flag_1 = 0; CRC_UnPass_Times = 0; #if METER_TYPE == METER_FTU /* UART1 init 9600bd :system clock -- 48MHz, defined in S