346 lines
11 KiB
C
346 lines
11 KiB
C
#include <string.h>
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#include "ModbusS.h"
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#include "config.h"
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#include <stdio.h>
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#include "driver/ledc.h"
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#include "esp_err.h"
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#include <string.h>
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static const uint8_t auchCRCHi[] =
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{
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
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0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
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0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
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0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
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0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
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0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
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0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
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0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
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0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
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0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
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0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
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0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
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0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0,
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0x80, 0x41, 0x00, 0xC1, 0x81, 0x40, 0x00, 0xC1, 0x81, 0x40,
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0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0, 0x80, 0x41, 0x00, 0xC1,
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0x81, 0x40, 0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41,
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0x00, 0xC1, 0x81, 0x40, 0x01, 0xC0, 0x80, 0x41, 0x01, 0xC0,
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0x80, 0x41, 0x00, 0xC1, 0x81, 0x40
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} ;
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/* CRC??????*/
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static const uint8_t auchCRCLo[] =
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{
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0x00, 0xC0, 0xC1, 0x01, 0xC3, 0x03, 0x02, 0xC2, 0xC6, 0x06,
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0x07, 0xC7, 0x05, 0xC5, 0xC4, 0x04, 0xCC, 0x0C, 0x0D, 0xCD,
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0x0F, 0xCF, 0xCE, 0x0E, 0x0A, 0xCA, 0xCB, 0x0B, 0xC9, 0x09,
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0x08, 0xC8, 0xD8, 0x18, 0x19, 0xD9, 0x1B, 0xDB, 0xDA, 0x1A,
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0x1E, 0xDE, 0xDF, 0x1F, 0xDD, 0x1D, 0x1C, 0xDC, 0x14, 0xD4,
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0xD5, 0x15, 0xD7, 0x17, 0x16, 0xD6, 0xD2, 0x12, 0x13, 0xD3,
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0x11, 0xD1, 0xD0, 0x10, 0xF0, 0x30, 0x31, 0xF1, 0x33, 0xF3,
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0xF2, 0x32, 0x36, 0xF6, 0xF7, 0x37, 0xF5, 0x35, 0x34, 0xF4,
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0x3C, 0xFC, 0xFD, 0x3D, 0xFF, 0x3F, 0x3E, 0xFE, 0xFA, 0x3A,
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0x3B, 0xFB, 0x39, 0xF9, 0xF8, 0x38, 0x28, 0xE8, 0xE9, 0x29,
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0xEB, 0x2B, 0x2A, 0xEA, 0xEE, 0x2E, 0x2F, 0xEF, 0x2D, 0xED,
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0xEC, 0x2C, 0xE4, 0x24, 0x25, 0xE5, 0x27, 0xE7, 0xE6, 0x26,
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0x22, 0xE2, 0xE3, 0x23, 0xE1, 0x21, 0x20, 0xE0, 0xA0, 0x60,
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0x61, 0xA1, 0x63, 0xA3, 0xA2, 0x62, 0x66, 0xA6, 0xA7, 0x67,
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0xA5, 0x65, 0x64, 0xA4, 0x6C, 0xAC, 0xAD, 0x6D, 0xAF, 0x6F,
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0x6E, 0xAE, 0xAA, 0x6A, 0x6B, 0xAB, 0x69, 0xA9, 0xA8, 0x68,
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0x78, 0xB8, 0xB9, 0x79, 0xBB, 0x7B, 0x7A, 0xBA, 0xBE, 0x7E,
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0x7F, 0xBF, 0x7D, 0xBD, 0xBC, 0x7C, 0xB4, 0x74, 0x75, 0xB5,
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0x77, 0xB7, 0xB6, 0x76, 0x72, 0xB2, 0xB3, 0x73, 0xB1, 0x71,
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0x70, 0xB0, 0x50, 0x90, 0x91, 0x51, 0x93, 0x53, 0x52, 0x92,
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0x96, 0x56, 0x57, 0x97, 0x55, 0x95, 0x94, 0x54, 0x9C, 0x5C,
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0x5D, 0x9D, 0x5F, 0x9F, 0x9E, 0x5E, 0x5A, 0x9A, 0x9B, 0x5B,
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0x99, 0x59, 0x58, 0x98, 0x88, 0x48, 0x49, 0x89, 0x4B, 0x8B,
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0x8A, 0x4A, 0x4E, 0x8E, 0x8F, 0x4F, 0x8D, 0x4D, 0x4C, 0x8C,
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0x44, 0x84, 0x85, 0x45, 0x87, 0x47, 0x46, 0x86, 0x82, 0x42,
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0x43, 0x83, 0x41, 0x81, 0x80, 0x40
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} ;
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uint16_t crc16(uint8_t *puchMsg, uint16_t usDataLen)
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{
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uint8_t uchCRCHi = 0xFF ; /* ?CRC????? */
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uint8_t uchCRCLo = 0xFF ; /* ?CRC ????? */
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uint32_t uIndex ; /* CRC?????? */
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while (usDataLen--) /* ??????? */
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{
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uIndex = uchCRCHi ^ *puchMsg++ ; /* ??CRC */
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uchCRCHi = uchCRCLo ^ auchCRCHi[uIndex] ;
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uchCRCLo = auchCRCLo[uIndex] ;
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}
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return (uchCRCHi << 8 | uchCRCLo) ;
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}//uint16 crc16(uint8 *puchMsg, uint16 usDataLen)
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#pragma pack(0x10)
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uint16_t gWordVar[gWORD_SIZE];
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uint8_t gBitVar[(gBIT_SIZE+7)/8];
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#pragma pack()
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int isBitHI(uint16_t Add)
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{
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if(gBitVar[(Add)>>3] & (1<<((Add)&0x07)))
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{
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return 1;
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}
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else
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{
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return 0;
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}
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}
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void ModBusBitWriteHook(uint16_t addr, uint16_t length)
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{
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}
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extern void reset_depth(void);
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uint16_t reboot_req ;
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extern uint16_t last_pile_id;
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extern int zb_ModBusWordWriteHook(uint16_t addr, uint16_t length);
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void ModBusWordWriteHook(uint16_t addr, uint16_t length)
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{
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if(addr == RECORD_REG_ADDR && gWordVar[RECORD_REG_ADDR] == 0xffff){
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reset_depth();
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gWordVar[RECORD_REG_ADDR] = 0;
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}
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if(addr == DEPTH_RESET_ADDR && gWordVar[DEPTH_RESET_ADDR] == 0x5555){
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config_load();
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gWordVar[DEPTH_RESET_ADDR] = 0;
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}
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if(addr == DEPTH_RESET_ADDR && gWordVar[DEPTH_RESET_ADDR] == 0x55aa){
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gWordVar[RECORD_REG_ADDR] = 9999; //强制增加桩号
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reset_depth();
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gWordVar[DEPTH_RESET_ADDR] = 0;
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}
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if(addr == LAST_PILE_ID_ADDR){
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last_pile_id = gWordVar[LAST_PILE_ID_ADDR];
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}
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else if(addr == FLOW_CONFIG_ADDR && gWordVar[FLOW_CONFIG_ADDR] == 0x55aa){
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save_flow_cfg();
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}
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else if(addr == DEPTH_CONFIG_ADDR && gWordVar[DEPTH_CONFIG_ADDR] == 0x55aa){
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save_depth_cfg();
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}
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else if(addr == CAL_4_20MA_ADDR && gWordVar[CAL_4_20MA_ADDR] == 0x55aa){
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save_cal_4_20ma();
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}
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else if(addr == REBOOT_REW_ADDR ){
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if(gWordVar[REBOOT_REW_ADDR] == 0x55aa){
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reboot_req = 0x55aa;
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}
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else if(gWordVar[REBOOT_REW_ADDR] == 0x55ab){
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esp_restart();
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}
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else if(gWordVar[REBOOT_REW_ADDR] == 0xaa55){
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restore_default();
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esp_restart();
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}
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}
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else{
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zb_ModBusWordWriteHook(addr,length);
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}
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}
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extern volatile int modbus_save_flg;
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uint16_t modbus_addr = 1;
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int ModbusSlaveProcess(uint8_t *txbuf, uint8_t *rxbuf, uint16_t rxLen, int is_crc)
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{
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uint16_t crcData,crcChk;
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uint8_t Offset,ByteAdd;
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uint16_t ByteNumber;
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uint16_t add;
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uint16_t length;
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int out_len = 0;
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int i;
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uint8_t *pDat;
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uint16_t *pWordVar;
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if(rxLen<4)
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return 0;
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if((rxbuf[0]==modbus_addr) || (rxbuf[0]==255))
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{
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if(is_crc != 0)
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{
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crcData = rxbuf[rxLen-1]+(rxbuf[rxLen-2]<<8);
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crcChk = crc16(rxbuf,rxLen-2);
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if( crcData != crcChk)
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{
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return 0;
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}
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}
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add = ((uint16_t)rxbuf[2]<<8)+ rxbuf[3];
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//if(Length !=
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length = (rxbuf[4]<<8) | rxbuf[5];
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txbuf[0] = rxbuf[0];
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switch(rxbuf[1])
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{
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case 0x01: //Read Coils
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if((add+length) > gBIT_SIZE)
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{
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txbuf[1] = 0x81;
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txbuf[2] = 0x02; //ILLEGAL DATA ADDRESS
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out_len = 3;
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break;
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}
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txbuf[1]=0x01;
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ByteNumber = (length+7)/8;
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txbuf[2]= ByteNumber;
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ByteAdd = add>>3; //add/8
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Offset = add&0x07; //add%8
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for(i=0; i<(ByteNumber-1); i++)
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{
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txbuf[3+i] = gBitVar[ByteAdd+i]>>Offset;
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txbuf[3+i] |= gBitVar[ByteAdd+i+1]<<(8-Offset);
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}
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txbuf[3+ByteNumber-1] = gBitVar[ByteAdd+ByteNumber-1]>>Offset;
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txbuf[3+ByteNumber-1] &= 0xff>>Offset;
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out_len = ByteNumber+3;
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break;
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case 0x03:
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case 0x04: //Read Holding Registers
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if((add+length) > gWORD_SIZE)
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{
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txbuf[1] = 0x80 + rxbuf[1];
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txbuf[2] = 0x02; //ILLEGAL DATA ADDRESS
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out_len = 3;;
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break;
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}
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if(length > 512)
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{
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length = 512;
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}
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if(rxbuf[1]==4)
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{
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add += 64;
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}
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txbuf[1]=rxbuf[1];
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ByteNumber = length*2;
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txbuf[2]= ByteNumber&0xff;
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pDat = &txbuf[3];
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pWordVar = (uint16_t *)&gWordVar[add];
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for(i=0; i<length; i++)
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{
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*pDat++ = *pWordVar>>8;
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*pDat++ = *pWordVar&0xff;
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pWordVar++;
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}
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out_len = ByteNumber+3;
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break;
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case 0x05: //Write Single Coil
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if(add >= gBIT_SIZE)
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{
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txbuf[1] = 0x85;
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txbuf[2] = 0x02; //ILLEGAL DATA ADDRESS
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out_len = 3;
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break;
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}
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ByteAdd = add>>3; //same add/8
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Offset = add&0x07; //same add%8
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if(rxbuf[4] == 0)
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{
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clrBit(add);
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}
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else if(rxbuf[4] == 0xff)
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{
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setBit(add);
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}
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else
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{
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txbuf[1] = 0x85;
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txbuf[2] = 0x03; //ILLEGAL DATA VALUE
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out_len = 3;
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break;
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}
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memcpy(txbuf,rxbuf,6);
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ModBusBitWriteHook(add,1);
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out_len = 6;
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break;
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case 0x06: //Write Single Register
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if(add >= gWORD_SIZE)
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{
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txbuf[1] = 0x86;
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txbuf[2] = 0x02; //ILLEGAL DATA ADDRESS
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out_len = 3;
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break;
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}
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gWordVar[add] = (rxbuf[4]<<8)+rxbuf[5];
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memcpy(txbuf,rxbuf,6);
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ModBusWordWriteHook(add,1);
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out_len = 6;
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break;
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case 0x0F: //Write Multiple Coil
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if((add+length) > gBIT_SIZE)
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{
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txbuf[1] = 0x8F;
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txbuf[2] = 0x02; //ILLEGAL DATA ADDRESS
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out_len = 3;
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}
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txbuf[1]=0x0F;
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txbuf[2] = rxbuf[2];
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txbuf[3] = rxbuf[3];
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txbuf[4] = 0;
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txbuf[5] = length&0xff;
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pDat = rxbuf+7;
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for(i=0; i<length; i++)
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{
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if(*(pDat+(i>>3)) & (1<<(i&0x07)))
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setBit(i+add);
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else
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clrBit(i+add);
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}
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ModBusBitWriteHook(add,length);
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out_len = 6;
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break;
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case 0x10: //Write Multiple registers
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if((add+length) > gWORD_SIZE)
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{
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txbuf[1] = 0x90;
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txbuf[2] = 0x02; //ILLEGAL DATA ADDRESS
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crcChk = crc16(txbuf,3);
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txbuf[3] = crcChk>>8;
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txbuf[4] = crcChk;
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out_len = 3;
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}
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txbuf[1]=0x10;
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txbuf[2] = rxbuf[2];
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txbuf[3] = rxbuf[3];
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txbuf[4]= 0;
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txbuf[5]= length&0xff;
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pDat = rxbuf+7;
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pWordVar = (uint16_t *)&gWordVar[add];
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{
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for(i=0; i<length; i++)
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{
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*pWordVar++ = (*pDat<<8)|*(pDat+1);
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pDat+=2;
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}
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}
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ModBusWordWriteHook(add,length);
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out_len = 6;
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break;
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}//switch(rxbuf[1])
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if(is_crc && out_len > 0)
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{
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crcChk = crc16(txbuf,out_len);
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txbuf[out_len++] = crcChk>>8;
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txbuf[out_len++] = crcChk & 0xff;
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}
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}
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return out_len;
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}
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