can_process.c 19 KB

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  1. #include "can_process.h"
  2. #include "uart_process.h"
  3. #include "motor_control.h"
  4. #include "crc_cal.h"
  5. #include "var.h"
  6. #include "eeprom_24c02.h"
  7. #include "eeprom_flash.h"
  8. #include "tasks.h"
  9. /**********局部函数定义**********/
  10. uint8_t cd_ReadChar(CAN_Buf_TypeDef * ptCANRx, uint8_t ucNum)
  11. {
  12. uint8_t ucData;
  13. uint16_t i;
  14. i = ucNum;
  15. if ((*ptCANRx).ucBufCnt >= ucNum)
  16. {
  17. i += (*ptCANRx).ucBufRdInde;
  18. if (i >= (*ptCANRx).ucBufSize)
  19. {
  20. i -=((*ptCANRx).ucBufSize);
  21. }
  22. }
  23. else
  24. {
  25. i=0;
  26. }
  27. ucData = *((*ptCANRx).pcBufAddr + i);
  28. return ucData;
  29. }
  30. void cd_DelChar(CAN_Buf_TypeDef * ptCANRx, uint8_t ucNum)
  31. {
  32. uint16_t i;
  33. if ((*ptCANRx).ucBufCnt >= ucNum)
  34. {
  35. __HAL_CAN_DISABLE_IT(&hcan, CAN_IT_FMP0);//关接收中断
  36. (*ptCANRx).ucBufCnt -= ucNum;
  37. __HAL_CAN_ENABLE_IT(&hcan, CAN_IT_FMP0);//开接收中断
  38. i = ucNum;
  39. i += (*ptCANRx).ucBufRdInde;
  40. if (i >= (*ptCANRx).ucBufSize)
  41. {
  42. i -= (*ptCANRx).ucBufSize;
  43. }
  44. (*ptCANRx).ucBufRdInde = i;
  45. }
  46. else
  47. {
  48. __HAL_CAN_DISABLE_IT(&hcan, CAN_IT_FMP0);//关接收中断
  49. i = (*ptCANRx).ucBufCnt;
  50. (*ptCANRx).ucBufCnt = 0;
  51. __HAL_CAN_ENABLE_IT(&hcan, CAN_IT_FMP0);//开接收中断
  52. i += (*ptCANRx).ucBufRdInde;
  53. if (i >= (*ptCANRx).ucBufSize)
  54. {
  55. i -= (*ptCANRx).ucBufSize;
  56. }
  57. (*ptCANRx).ucBufRdInde = i;
  58. }
  59. }
  60. //数据解析处理
  61. void DataProcess(uint16_t ID, uint8_t Mode, uint16_t Cmd, uint8_t* Data)
  62. {
  63. uint8_t DataLength;
  64. DataLength = (uint8_t)(Cmd &0x00FF);
  65. switch(ID)
  66. {
  67. //处理BMS发送的指令
  68. case ID_BMS_BC: case ID_BMS_TO_MC:
  69. {
  70. switch(Cmd)
  71. {
  72. //BMS广播的指令
  73. case 0x1010://BMS运行信息
  74. {
  75. //更新电池运行信息
  76. memcpy(&BMS_RunInfo.Voltage, Data, DataLength);
  77. //电池通信正常标志置位,用于续航计算
  78. RemainDis.IsBMS_ComOK_Flag = TRUE;
  79. RemainDis.BMS_Com_DelayTimeCnt = HAL_GetTick();
  80. //BMS通信正常标志置位
  81. IsComOK_BMS.IsOK_Flag = TRUE;
  82. IsComOK_BMS.OK_TrigTime = HAL_GetTick();
  83. break;
  84. }
  85. case 0x1308://关机指令
  86. {
  87. PowerOff_Process();
  88. break;
  89. }
  90. case 0x1410://电池设计信息
  91. {
  92. memcpy(&BMS_DesignInfo.Capacity, Data, DataLength);
  93. break;
  94. }
  95. case 0x160C://电池物理ID
  96. {
  97. memcpy(BMS_CheckInfo.MAC_ID, Data, DataLength);
  98. break;
  99. }
  100. case 0x170C://电池存储的校验码
  101. {
  102. memcpy(BMS_CheckInfo.CheckCode, Data, DataLength);
  103. break;
  104. }
  105. //BMS发送给MC的指令
  106. case 0x3005://电池在线检测反馈
  107. {
  108. if(strncmp("READY", (char*)Data, DataLength) == 0)
  109. {
  110. DeviceOnLine_Status.Status_Bit.BMS_OffLine = 0;
  111. }
  112. break;
  113. }
  114. default:break;
  115. }
  116. break;
  117. }
  118. //处理PBU发送的指令
  119. case ID_PBU_BC: case ID_PBU_TO_MC:
  120. {
  121. switch(Cmd)
  122. {
  123. //PBU广播的指令
  124. case 0x1008://PBU关机指令
  125. {
  126. PowerOff_Process();
  127. break;
  128. }
  129. case 0x120C://PBU物理ID
  130. {
  131. memcpy(PBU_CheckInfo.MAC_ID, Data, DataLength);
  132. break;
  133. }
  134. case 0x130C://PBU存储的校验码
  135. {
  136. memcpy(PBU_CheckInfo.CheckCode, Data, DataLength);
  137. break;
  138. }
  139. //PBU发送给MC的指令
  140. case 0x3002://控制电机指令
  141. {
  142. memcpy(&MC_ControlCode.GearSt, Data, DataLength);
  143. Update_MC_ControlCode_Back();
  144. MC_RunInfo.GearSt = MC_ControlCode.GearSt;//当前助力档位更新
  145. SendData(ID_MC_BC, MODE_REPORT, 0x1020, (uint8_t*)&MC_RunInfo.BikeSpeed);
  146. //PBU通信正常标志置位
  147. IsComOK_PBU.IsOK_Flag = TRUE;
  148. IsComOK_PBU.OK_TrigTime = HAL_GetTick();
  149. break;
  150. }
  151. case 0x3105://PBU在线检测反馈
  152. {
  153. if(strncmp("READY", (char*)Data, DataLength) == 0)
  154. {
  155. DeviceOnLine_Status.Status_Bit.PBU_OffLine = 0;
  156. }
  157. break;
  158. }
  159. case 0x3208://控制参数配置
  160. {
  161. memcpy(&PBU_ConfigParam.GearsNum, Data, DataLength);
  162. SendData(ID_MC_TO_PBU, MODE_REPORT, 0x5303, (uint8_t*)"ACK");
  163. break;
  164. }
  165. default:break;
  166. }
  167. break;
  168. }
  169. //处理HMI发送的指令
  170. case ID_HMI_BC: case ID_HMI_TO_MC:
  171. {
  172. switch(Cmd)
  173. {
  174. //HMI广播的指令
  175. case 0x110C://HMI物理ID
  176. {
  177. memcpy(HMI_CheckInfo.MAC_ID, Data, DataLength);
  178. break;
  179. }
  180. case 0x120C://HMI存储的校验码
  181. {
  182. memcpy(HMI_CheckInfo.CheckCode, Data, DataLength);
  183. break;
  184. }
  185. case 0x1508://HMI运行信息
  186. {
  187. //HMI通信正常标志置位
  188. IsComOK_HMI.IsOK_Flag = TRUE;
  189. IsComOK_HMI.OK_TrigTime = HAL_GetTick();
  190. break;
  191. }
  192. //HMI发送MC的指令
  193. case 0x3000://查询电机版本信息
  194. {
  195. ReadDataFromEEPROM_Flash(EEPROM_FLASH_ADDR_MODE, (uint8_t*)MC_VerInfo.Mode, 16);
  196. ReadDataFromEEPROM_Flash(EEPROM_FLASH_ADDR_SN, (uint8_t*)MC_VerInfo.SN_Num, 16);
  197. SendData(ID_MC_BC, MODE_REPORT, 0x1240, (uint8_t*)MC_VerInfo.Mode);
  198. break;
  199. }
  200. case 0x3100://查询电机配置参数
  201. {
  202. GetParamFromEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_CONFIG_PARAM, sizeof(MC_ConfigParam), &MC_ConfigParam.RS1);
  203. Data[0] = MC_ConfigParam.WheelSize;
  204. Data[1] = MC_ConfigParam.StarModel;
  205. Data[2] = MC_ConfigParam.SpeedLimit;
  206. SendData(ID_MC_TO_HMI, MODE_REPORT, 0x7308, Data);
  207. break;
  208. }
  209. case 0x3208://设置电机配置参数
  210. {
  211. MC_ConfigParam.WheelSize = Data[0];
  212. MC_ConfigParam.StarModel = (MC_StarMode_Struct_t)Data[1];
  213. SaveParamToEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_CONFIG_PARAM, sizeof(MC_ConfigParam), &MC_ConfigParam.RS1);
  214. SendData(ID_MC_TO_HMI, MODE_REPORT, 0x7403, (uint8_t*)"ACK");
  215. break;
  216. }
  217. case 0x3305://HMI在线检测反馈
  218. {
  219. if(strncmp("READY", (char*)Data, DataLength) == 0)
  220. {
  221. DeviceOnLine_Status.Status_Bit.HMI_OffLine = 0;
  222. }
  223. break;
  224. }
  225. default:break;
  226. }
  227. break;
  228. }
  229. //处理CDL发送的指令
  230. case ID_CDL_BC: case ID_CDL_TO_MC:
  231. {
  232. switch(Cmd)
  233. {
  234. case 0x1000://查询校验密钥
  235. {
  236. GetParamFromEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_SECRET_KEY, sizeof(Secret_Key), Secret_Key);
  237. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA408, Secret_Key);
  238. break;
  239. }
  240. case 0x1108://写入校验密钥
  241. {
  242. memcpy(Secret_Key, Data, DataLength);
  243. SaveParamToEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_SECRET_KEY, sizeof(Secret_Key), Secret_Key);
  244. SendData(ID_MC_BC, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  245. break;
  246. }
  247. case 0x1200://查询电机版本信息
  248. {
  249. ReadDataFromEEPROM_Flash(EEPROM_FLASH_ADDR_MODE, (uint8_t*)MC_VerInfo.Mode, 16);
  250. ReadDataFromEEPROM_Flash(EEPROM_FLASH_ADDR_SN, (uint8_t*)MC_VerInfo.SN_Num, 16);
  251. SendData(ID_MC_BC, MODE_REPORT, 0x1240, (uint8_t*)MC_VerInfo.Mode);
  252. break;
  253. }
  254. case 0x1300://查询自定义字符串1
  255. {
  256. ReadDataFromEEPROM_Flash(EEPROM_FLASH_ADDR_USER_INFO1, UserString1, 16);
  257. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA610, UserString1);
  258. break;
  259. }
  260. case 0x1410://写入自定义字符串1
  261. {
  262. memcpy(UserString1, Data, DataLength);
  263. EEPROM_Flash_DataUpdate();
  264. SendData(ID_MC_BC, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  265. break;
  266. }
  267. case 0x1500://查询自定义字符串2
  268. {
  269. ReadDataFromEEPROM_Flash(EEPROM_FLASH_ADDR_USER_INFO2, UserString2, 16);
  270. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA710, UserString2);
  271. break;
  272. }
  273. case 0x1610://写入自定义字符串2
  274. {
  275. memcpy(UserString2, Data, DataLength);
  276. EEPROM_Flash_DataUpdate();
  277. SendData(ID_MC_BC, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  278. break;
  279. }
  280. case 0x1700://查询自定义字符串3
  281. {
  282. ReadDataFromEEPROM_Flash(EEPROM_FLASH_ADDR_USER_INFO3, UserString3, 16);
  283. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA810, UserString3);
  284. break;
  285. }
  286. case 0x1810://写入自定义字符串3
  287. {
  288. memcpy(UserString3, Data, DataLength);
  289. EEPROM_Flash_DataUpdate();
  290. SendData(ID_MC_BC, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  291. break;
  292. }
  293. case 0x1901://写入电机工作模式
  294. {
  295. MC_WorkMode = (MC_WorkMode_Struct_t)*Data;
  296. MC_WorkMode_Back = (MC_WorkMode_Struct_t)~MC_WorkMode;
  297. break;
  298. }
  299. case 0x1A00://查询电机控制参数
  300. {
  301. GetParamFromEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_CONFIG_PARAM, sizeof(MC_ConfigParam), &MC_ConfigParam.RS1);
  302. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA020, &MC_ConfigParam.RS1);
  303. break;
  304. }
  305. case 0x1B20://写入电机控制参数
  306. {
  307. memcpy(&MC_ConfigParam.RS1, Data, DataLength);
  308. SaveParamToEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_CONFIG_PARAM, sizeof(MC_ConfigParam), &MC_ConfigParam.RS1);
  309. //助力参数初始化
  310. UpdateGearParam(MC_ConfigParam.SerialNum);
  311. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  312. break;
  313. }
  314. case 0x1C00://查询马达参数
  315. {
  316. GetParamFromEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_MOTOR_PARAM, sizeof(MC_MotorParam), (uint8_t*)&MC_MotorParam.Rate_Power);
  317. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA110, (uint8_t*)&MC_MotorParam.Rate_Power);
  318. break;
  319. }
  320. case 0x1D10://写入马达参数
  321. {
  322. memcpy((uint8_t*)&MC_MotorParam.Rate_Power, Data, DataLength);
  323. SaveParamToEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_MOTOR_PARAM, sizeof(MC_MotorParam), (uint8_t*)&MC_MotorParam.Rate_Power);
  324. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  325. break;
  326. }
  327. case 0x1E00://查询电机历史信息
  328. {
  329. uint32_t DataTemp;
  330. GetParamFromEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_RUN_LOG, sizeof(MC_RunLog), (uint8_t*)&MC_RunLog.PowerOnCnt);
  331. DataTemp = MC_RunLog.ODO_Km;
  332. MC_RunLog.ODO_Km = DataTemp / 10; // 存储按照0.1km,发送按照1km
  333. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA230, (uint8_t*)&MC_RunLog.PowerOnCnt);
  334. MC_RunLog.ODO_Km = DataTemp;
  335. break;
  336. }
  337. case 0x1F00://查询电机生产信息
  338. {
  339. ReadDataFromEEPROM_Flash(EEPROM_FLASH_ADDR_MAC_INFO, (uint8_t*)MC_MacInfo.Manufacturer, 32);
  340. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA520, (uint8_t*)MC_MacInfo.Manufacturer);
  341. break;
  342. }
  343. case 0x2000://查询力矩传感器零偏数据
  344. {
  345. GetParamFromEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_TORQUE_OFFSET, sizeof(TorqueOffSetData), (uint8_t*)TorqueOffSetData.Data);
  346. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA318, (uint8_t*)TorqueOffSetData.Data);
  347. break;
  348. }
  349. case 0x2100://查询设备在线结果
  350. {
  351. SendData(ID_MC_BC, MODE_REPORT, 0x1401, &DeviceOnLine_Status.Status);
  352. break;
  353. }
  354. case 0x2210://写入电机Mode
  355. {
  356. memcpy(MC_VerInfo.Mode, Data, DataLength);
  357. EEPROM_Flash_DataUpdate();
  358. SendData(ID_MC_BC, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  359. break;
  360. }
  361. case 0x2310://写入电机SN
  362. {
  363. memcpy(MC_VerInfo.SN_Num, Data, DataLength);
  364. EEPROM_Flash_DataUpdate();
  365. SendData(ID_MC_BC, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  366. break;
  367. }
  368. case 0x2420://写入电机生产信息
  369. {
  370. memcpy(MC_MacInfo.Manufacturer, Data, DataLength);
  371. EEPROM_Flash_DataUpdate();
  372. SendData(ID_MC_BC, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  373. break;
  374. }
  375. case 0x2505://复位指令
  376. {
  377. if(strncmp("RESET", (char*)Data, DataLength) == 0)
  378. {
  379. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  380. SendCmdData(&UART_TxBuff_Struct3, MODE_WRITE, 0x1205, (uint8_t*)"RESET");
  381. HAL_Delay(200);
  382. __set_FAULTMASK(1);//关闭所有中断
  383. HAL_NVIC_SystemReset();
  384. }
  385. break;
  386. }
  387. case 0x2605://数据清除
  388. {
  389. if(strncmp("CLEAR", (char*)Data, DataLength) == 0)
  390. {
  391. EEPROM_24C02_ClearData(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_FLAG, EEPROM_24C02_ADDR_END, 0xFF);
  392. EEPROM_Flash_Erase();
  393. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  394. SendCmdData(&UART_TxBuff_Struct3, MODE_WRITE, 0x1205, (uint8_t*)"RESET");
  395. __set_FAULTMASK(1);//关闭所有中断
  396. HAL_NVIC_SystemReset();
  397. }
  398. break;
  399. }
  400. case 0x2708://系统还原
  401. {
  402. if(strncmp("RECOVERY", (char*)Data, DataLength) == 0)
  403. {
  404. //...
  405. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  406. SendCmdData(&UART_TxBuff_Struct3, MODE_WRITE, 0x1205, (uint8_t*)"RESET");
  407. __set_FAULTMASK(1);//关闭所有中断
  408. HAL_NVIC_SystemReset();
  409. }
  410. break;
  411. }
  412. case 0x2802://控制指令
  413. {
  414. memcpy(&MC_ControlCode.GearSt, Data, DataLength);
  415. Update_MC_ControlCode_Back();
  416. //PBU通信正常标志置位,避免上位機測試時認爲PBU失聯而關閉助力
  417. IsComOK_PBU.IsOK_Flag = TRUE;
  418. IsComOK_PBU.OK_TrigTime = HAL_GetTick();
  419. //運行信息助力档位更新
  420. MC_RunInfo.GearSt = MC_ControlCode.GearSt;
  421. SendData(ID_MC_BC, MODE_REPORT, 0x1020, (uint8_t*)&MC_RunInfo.BikeSpeed);
  422. break;
  423. }
  424. case 0x2900://查询力矩传感器校正信息
  425. {
  426. SendData(ID_MC_TO_CDL, MODE_REPORT, 0xAA04, (uint8_t*)&MC_TorqueCorrectParam.StarData);
  427. break;
  428. }
  429. case 0x2A01://写入力矩传感器标定系数
  430. {
  431. memcpy((uint8_t*)&MC_TorqueCorrectParam.K, Data, DataLength);
  432. SaveParamToEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_TORQUE_PARAM, sizeof(MC_TorqueCorrectParam_Struct_t), (uint8_t*)&MC_TorqueCorrectParam.StarData);
  433. SendData(ID_MC_BC, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  434. break;
  435. }
  436. case 0x2B02://写入力矩传感器启动值
  437. {
  438. memcpy((uint8_t*)&MC_TorqueCorrectParam.StarData, Data, DataLength);
  439. SaveParamToEEprom_24C02(&I2C_Handle_EEPROM, EEPROM_24C02_ADDR_TORQUE_PARAM, sizeof(MC_TorqueCorrectParam_Struct_t), (uint8_t*)&MC_TorqueCorrectParam.StarData);
  440. SendData(ID_MC_BC, MODE_REPORT, 0xA903, (uint8_t*)"ACK");
  441. break;
  442. }
  443. case 0x2C01://设置推行模式最高转速百分比
  444. {
  445. MC_WalkMode_Persent = Data[0];
  446. break;
  447. }
  448. default:break;
  449. }
  450. break;
  451. }
  452. default:break;
  453. }
  454. }
  455. /*********************End*******************/
  456. /************全局函数定义*******************/
  457. //CAN数据解析,严格按照协议格式
  458. void CAN_RxData_Process(CAN_Buf_TypeDef* ptCANRx, uint16_t TimeOutCnt)
  459. {
  460. uint8_t Mode, CmdLength, DataLength, Data[64], CRC_Buf[78];
  461. uint16_t Cmd, i;
  462. uint32_t CrcResult, CrcData;
  463. uint8_t FrameBegin1, FrameBegin2;
  464. if(ptCANRx->ucBufCnt >= 11)
  465. {
  466. //读取帧头
  467. FrameBegin1 = cd_ReadChar(ptCANRx, 0);
  468. CRC_Buf[0] = FrameBegin1;
  469. FrameBegin2 = cd_ReadChar(ptCANRx, 1);
  470. CRC_Buf[1] = FrameBegin2;
  471. if((FrameBegin1 == FRAME_BEGIN1) && (FrameBegin2 == FRAME_BEGIN2))
  472. {
  473. CRC_Buf[2] = (uint8_t)((ptCANRx->ucBufID >> 8) & 0xFF);
  474. CRC_Buf[3] = (uint8_t)(ptCANRx->ucBufID & 0xFF);
  475. //读取帧模式
  476. Mode = cd_ReadChar(ptCANRx, 2);
  477. CRC_Buf[4] = Mode;
  478. if((Mode == MODE_READ) || (Mode == MODE_WRITE) || (Mode == MODE_REPORT))
  479. {
  480. //读取命令段长度和命令字
  481. CmdLength = cd_ReadChar(ptCANRx, 3);
  482. CRC_Buf[5] = CmdLength;
  483. Cmd = (cd_ReadChar(ptCANRx, 4) << 8) + cd_ReadChar(ptCANRx, 5);
  484. CRC_Buf[6] = (uint8_t)((Cmd >> 8) & 0xFF);
  485. CRC_Buf[7] = (uint8_t)(Cmd & 0xFF);
  486. DataLength = cd_ReadChar(ptCANRx, 5);
  487. if((CmdLength - DataLength) == 2)
  488. {
  489. if(ptCANRx->ucBufCnt < (CmdLength + 9))//帧头2bytes + 模式1byte + 命令段长度1byte + 校验位4bytes + 帧尾1byte
  490. {
  491. if(ptCANRx->IsWaitRX_Flag == FALSE)
  492. {
  493. ptCANRx->DelayTimeCnt = HAL_GetTick();
  494. ptCANRx->IsWaitRX_Flag = TRUE;
  495. }
  496. if((HAL_GetTick() - ptCANRx->DelayTimeCnt) > TimeOutCnt)//超时,单位ms
  497. {
  498. cd_DelChar(ptCANRx, ptCANRx->ucBufCnt);
  499. ptCANRx->IsWaitRX_Flag = FALSE;
  500. }
  501. return;
  502. }
  503. else
  504. {
  505. ptCANRx->IsWaitRX_Flag = FALSE;
  506. //接收到完整正确数据包
  507. for(i=0; i<DataLength; i++)//读取数据段
  508. {
  509. Data[i] = cd_ReadChar(ptCANRx, 6 + i);
  510. CRC_Buf[8 + i] = Data[i];
  511. }
  512. CrcData = (cd_ReadChar(ptCANRx, 6 + DataLength) << 24) + \
  513. (cd_ReadChar(ptCANRx, 7 + DataLength) << 16) + \
  514. (cd_ReadChar(ptCANRx, 8 + DataLength) << 8) + \
  515. cd_ReadChar(ptCANRx, 9 + DataLength);
  516. CrcResult = CRC32_Calculate(CRC_Buf, 8 + DataLength);
  517. if((CrcData - CrcResult) == 0) // 比较校验
  518. {
  519. //数据处理
  520. DataProcess(ptCANRx->ucBufID, Mode, Cmd, Data);//Mode为帧模式,Cmd为命令字,Data为数据段
  521. cd_DelChar(ptCANRx, CmdLength + 9);
  522. return;
  523. }
  524. cd_DelChar(ptCANRx, 1);
  525. }
  526. }
  527. else
  528. {
  529. cd_DelChar(ptCANRx, 1);
  530. }
  531. }
  532. else
  533. {
  534. cd_DelChar(ptCANRx, 1);
  535. }
  536. }
  537. else
  538. {
  539. cd_DelChar(ptCANRx, 1);
  540. }
  541. }
  542. }
  543. #if 0
  544. //数据解析,忽略命令字表示的数据长度
  545. void CAN_RxData_Process_Temp(CAN_Buf_TypeDef* ptCANRx, uint16_t TimeOutCnt)
  546. {
  547. uint8_t Mode, CmdLength, DataLength, Data[64], CRC_Buf[78];
  548. uint16_t Cmd, i;
  549. uint32_t CrcResult, CrcData;
  550. uint8_t FrameBegin1, FrameBegin2;
  551. if(ptCANRx->ucBufCnt >= 11)
  552. {
  553. //读取帧头
  554. FrameBegin1 = cd_ReadChar(ptCANRx, 0);
  555. CRC_Buf[0] = FrameBegin1;
  556. FrameBegin2 = cd_ReadChar(ptCANRx, 1);
  557. CRC_Buf[1] = FrameBegin2;
  558. if((FrameBegin1 == FRAME_BEGIN1) && (FrameBegin2 == FRAME_BEGIN2))
  559. {
  560. CRC_Buf[2] = (uint8_t)((ptCANRx->ucBufID >> 8) & 0xFF);
  561. CRC_Buf[3] = (uint8_t)(ptCANRx->ucBufID & 0xFF);
  562. //读取帧模式
  563. Mode = cd_ReadChar(ptCANRx, 2);
  564. CRC_Buf[4] = Mode;
  565. if((Mode == MODE_READ) || (Mode == MODE_WRITE) || (Mode == MODE_REPORT))
  566. {
  567. //读取命令段长度和命令字
  568. CmdLength = cd_ReadChar(ptCANRx, 3);
  569. CRC_Buf[5] = CmdLength;
  570. Cmd = (cd_ReadChar(ptCANRx, 4) << 8) + cd_ReadChar(ptCANRx, 5);
  571. CRC_Buf[6] = (uint8_t)((Cmd >> 8) & 0xFF);
  572. CRC_Buf[7] = (uint8_t)(Cmd & 0xFF);
  573. DataLength = CmdLength - 2;
  574. if(ptCANRx->ucBufCnt < (CmdLength + 9))//帧头2bytes + 模式1byte + 命令段长度1byte + 校验位4bytes + 帧尾1byte
  575. {
  576. if(ptCANRx->IsWaitRX_Flag == FALSE)
  577. {
  578. ptCANRx->DelayTimeCnt = HAL_GetTick();
  579. ptCANRx->IsWaitRX_Flag = TRUE;
  580. }
  581. if((HAL_GetTick() - ptCANRx->DelayTimeCnt) > TimeOutCnt)//超时,单位ms
  582. {
  583. cd_DelChar(ptCANRx, ptCANRx->ucBufCnt);
  584. ptCANRx->IsWaitRX_Flag = FALSE;
  585. }
  586. return;
  587. }
  588. else
  589. {
  590. ptCANRx->IsWaitRX_Flag = FALSE;
  591. //接收到完整正确数据包
  592. for(i=0; i<DataLength; i++)//读取数据段
  593. {
  594. Data[i] = cd_ReadChar(ptCANRx, 6 + i);
  595. CRC_Buf[8 + i] = Data[i];
  596. }
  597. CrcData = (cd_ReadChar(ptCANRx, 6 + DataLength) << 24) + \
  598. (cd_ReadChar(ptCANRx, 7 + DataLength) << 16) + \
  599. (cd_ReadChar(ptCANRx, 8 + DataLength) << 8) + \
  600. cd_ReadChar(ptCANRx, 9 + DataLength);
  601. CrcResult = CRC32_Calculate(CRC_Buf, 8 + DataLength);
  602. if((CrcData - CrcResult) == 0) // 比较校验
  603. {
  604. //数据处理
  605. DataProcess(ptCANRx->ucBufID, Mode, Cmd, Data);//Mode为帧模式,Cmd为命令字,Data为数据段
  606. cd_DelChar(ptCANRx, CmdLength + 9);
  607. return;
  608. }
  609. cd_DelChar(ptCANRx, 1);
  610. }
  611. }
  612. else
  613. {
  614. cd_DelChar(ptCANRx, 1);
  615. }
  616. }
  617. else
  618. {
  619. cd_DelChar(ptCANRx, 1);
  620. }
  621. }
  622. }
  623. #endif
  624. void SendData(uint16_t ID, uint8_t Mode, uint16_t Command, uint8_t* Data)
  625. {
  626. uint8_t SendBuf[96] = {0};
  627. uint8_t CRC_Buf[98] = {0};
  628. uint32_t CRC_Result = 0x00000000;
  629. uint8_t DataLength;
  630. DataLength = (uint8_t)(Command & 0xFF);
  631. SendBuf[0] = FRAME_BEGIN1;
  632. SendBuf[1] = FRAME_BEGIN2;
  633. SendBuf[2] = Mode;
  634. SendBuf[3] = DataLength + 2;
  635. SendBuf[4] = (uint8_t)((Command >> 8) & 0xFF);
  636. SendBuf[5] = DataLength;
  637. memcpy(SendBuf + 6, Data, DataLength);
  638. CRC_Buf[0] = FRAME_BEGIN1;
  639. CRC_Buf[1] = FRAME_BEGIN2;
  640. CRC_Buf[2] = (uint8_t)(ID >> 8);
  641. CRC_Buf[3] = (uint8_t)(ID & 0xFF);
  642. memcpy(CRC_Buf + 4, SendBuf + 2, DataLength + 4);
  643. CRC_Result = CRC32_Calculate(CRC_Buf, DataLength + 8);//帧头 2bytes + ID 2bytes + 模式 1byte + 命令段长度 1byte + 命令字 2bytes
  644. SendBuf[6 + DataLength] = (uint8_t)((CRC_Result >> 24) & 0xFF);
  645. SendBuf[7 + DataLength] = (uint8_t)((CRC_Result >> 16) & 0xFF);
  646. SendBuf[8 + DataLength] = (uint8_t)((CRC_Result >> 8) & 0xFF);
  647. SendBuf[9 + DataLength] = (uint8_t)(CRC_Result & 0xFF);
  648. SendBuf[10 + DataLength] = FRAME_END;
  649. CAN_SendData(ID, SendBuf, DataLength + 11);
  650. }
  651. /********************End********************/