#include "rs485_data_analysis_pro.h"
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#include "rs485_read_data.h"
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#include "mbcrc.h"
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FLOW_METER_DATA_T flow_meter_data_g;
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/************ͨÓÃmodbus¶ÁÈ¡Ö¡*************************/
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void sendModbusReadFrame(uint8_t slaveAddress,uint16_t dataAddress,uint8_t regNum)
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{
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uint16_t crc;
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uint8_t sendFrame[8];
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sendFrame[0] = slaveAddress; //´Ó»úµØÖ·
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sendFrame[1] = 0x03; //¹¦ÄܺÅ
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sendFrame[2] = dataAddress>>8; //Êý¾ÝµØÖ·¸ß8λ
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sendFrame[3] = dataAddress&0x00FF; //Êý¾ÝµØÖ·µÍ8λ
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sendFrame[4] = regNum>>8; //¶ÁÈ¡Êý¾Ý¸öÊý¸ß8λ
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sendFrame[5] = regNum&0x00FF; //¶ÁÈ¡Êý¾Ý¸öÊýµÍ8λ
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crc = usMBCRC16(0xFFFF,sendFrame,6);
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sendFrame[6] = crc&0x00FF; //CRC16УÑéµÍ8λ
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sendFrame[7] = crc>>8; //CRC16УÑé¸ß8λ
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//´®¿Ú·¢ËÍ
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// RS485_Send_Data(sendFrame,8);
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//ÖØÖÃDMA½ÓÊÕ
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}
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/************×Ô¶¨Òå¶ÁÈ¡Ö¡*************************/
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/************¸÷ÐͺÅÊý¾Ý½âÎö*************************/
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//modbusÐÒé03¶ÁÈ¡ÏìÓ¦Êý¾Ýͳһ¼ì²é
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ErrorStatus modbus03AnswerCheck(uint8_t * buf_p,uint8_t slaveAddress)
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{
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uint16_t crc;
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uint8_t dataNum;
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//Ö÷Òª¼ì²éCRC£¬¿¼ÂÇ´Ó»úµØÖ·ºÍ¹¦ÄÜÂëµÄ¼ì²é
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if((slaveAddress!=buf_p[0])||(buf_p[1]!=0x03))
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return FAIL;
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dataNum = buf_p[2];
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if(dataNum>250)
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return FAIL;
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crc = buf_p[3 + dataNum +1 ];
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crc = (crc<<8) +buf_p[3 + dataNum ];
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if(crc != usMBCRC16(0xFFFF,buf_p,3 + dataNum))
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return FAIL;
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return PASS;
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}
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ErrorStatus SIZHUMODBUSV2_0_dataAnalysis(uint8_t * buf_p,uint8_t slaveAddress)
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{
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uint32_t SC_Accumulation_zs;
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uint16_t SC_Accumulation_xs;
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uint32_t WC_Accumulation_zs;
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uint16_t WC_Accumulation_xs;
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uint32_t SC_Accumulation_zs_reverse;
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uint16_t SC_Accumulation_xs_reverse;
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uint32_t WC_Accumulation_zs_reverse;
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uint16_t WC_Accumulation_xs_reverse;
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double WC_Accumulation_reverse;
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double SC_Accumulation_reverse;
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if(modbus03AnswerCheck(buf_p,slaveAddress) == FAIL)
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return FAIL;
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arrayA_2_arrayB(buf_p + 3 , (uint8_t *)&WC_Accumulation_zs, 4, BIG_ENDIAN) ;
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arrayA_2_arrayB(buf_p + 7 , (uint8_t *)&WC_Accumulation_xs, 2, BIG_ENDIAN) ;
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arrayA_2_arrayB(buf_p + 14 , (uint8_t *)&WC_Accumulation_xs, 2, BIG_ENDIAN) ;
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return PASS;
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}
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/**********************·µ»ØÊý¾Ý·ÖÎö*******************************/
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ErrorStatus rs485ComDataAnalysis(RS485_COM_UART_PARA_T * uart_para_p,uint16_t device_code,uint8_t slaveAddress)
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{
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uint8_t *buf_p;
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if(uart_para_p->recv_length < 6) //Ä¿Ç°Ó¦¸ÃûÓöµ½¹ý·µ»ØÊý¾ÝÉÙÓÚ6×Ö½ÚµÄ
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return FAIL;
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//È¥0
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for(uint16_t count_i=0;count_i< RS485_COM_REC_BUF_LENGTH;count_i ++)
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{
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if(uart_para_p->recv_buf[count_i] !=0)
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{
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buf_p = &uart_para_p->recv_buf[count_i];
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break;
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}else
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{
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if(count_i > (RS485_COM_REC_BUF_LENGTH >>2))
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{
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//buf¹ý°ë¶¼ÊÇ0£¬Ö±½Ó·µ»ØFAIL£¬·ÀÖ¹ºóÃæÊý¾Ý´¦ÀíÔ½½ç
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return FAIL;
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}
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}
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}
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switch (device_code){
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case SIZHUMODBUS1: return FAIL;
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case SIZHUMODBUS2: return FAIL;
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case SIZHUMODBUS3: return FAIL;
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case SIZHUMODBUSV2_0: return SIZHUMODBUSV2_0_dataAnalysis(buf_p,slaveAddress);
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case TIANXINCUSTOM: return FAIL;
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case TIANXINMODBUS: return FAIL;
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//ÐèÒª²¹³ä......
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default:return FAIL;
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}
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}
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