main_task.c 18 KB

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  1. #include "main_task.h"
  2. #include "uart.h"
  3. #include "gpio.h"
  4. #include "cfg.h"
  5. #include "IAP.h"
  6. #include "protocol.h"
  7. #include "process.h"
  8. #include "crc16.h"
  9. #include <string.h>
  10. typedef struct _mb_ctx
  11. {
  12. uint8_t* rxbuf;
  13. uint8_t* txbuf;
  14. uint16_t rx_len; //recv data length
  15. uint16_t tx_len; //will be transfer data length
  16. uint16_t txbuf_size;
  17. uint8_t exception_code;
  18. uint8_t func_code; // function code
  19. uint16_t cmd; // register
  20. }MB_CTX;
  21. static MB_CTX g_mb_ctx;
  22. void mb_03_handle(void)
  23. {
  24. uint16_t tx_offset = 0;
  25. uint16_t crc;
  26. uint16_t ret_len = 0;
  27. uint16_t reg_num = ((uint16_t)g_mb_ctx.rxbuf[4]<<8)|g_mb_ctx.rxbuf[5];
  28. uint16_t read_len = reg_num<<1; // wanted bytes
  29. //
  30. g_mb_ctx.txbuf[0] = g_mb_ctx.rxbuf[0]; // slave addr
  31. g_mb_ctx.txbuf[1] = g_mb_ctx.rxbuf[1]; // func code
  32. g_mb_ctx.txbuf[2] = 0x00;
  33. tx_offset = 3;
  34. switch(g_mb_ctx.cmd){
  35. case Cmd_FirmwareVersion:
  36. if(16 == read_len){
  37. tx_offset += Read_FirmwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  38. }else if(18 == read_len){
  39. tx_offset += Read_FirmwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  40. tx_offset += Read_HardwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  41. }else if(22 == read_len){
  42. tx_offset += Read_FirmwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  43. tx_offset += Read_HardwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  44. tx_offset += Read_Deviceid(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  45. }else if(24 == read_len){
  46. tx_offset += Read_FirmwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  47. tx_offset += Read_HardwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  48. tx_offset += Read_Deviceid(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  49. tx_offset += Read_Devicetype(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  50. }else {
  51. g_mb_ctx.exception_code = INVALID_DATA;
  52. }
  53. break;
  54. case Cmd_HardwareVersion:
  55. if(2 == read_len){
  56. tx_offset += Read_HardwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  57. }else if(6 == read_len){
  58. tx_offset += Read_HardwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  59. tx_offset += Read_Deviceid(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  60. }else if(8 == read_len){
  61. tx_offset += Read_HardwareVersion(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  62. tx_offset += Read_Deviceid(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  63. tx_offset += Read_Devicetype(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  64. }else{
  65. g_mb_ctx.exception_code = INVALID_DATA;
  66. }
  67. break;
  68. case Cmd_DeviceID:
  69. if(4 == read_len){
  70. tx_offset += Read_Deviceid(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  71. }else if(6 == read_len){
  72. tx_offset += Read_Deviceid(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  73. tx_offset += Read_Devicetype(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  74. }else{
  75. g_mb_ctx.exception_code = INVALID_DATA;
  76. }
  77. break;
  78. case Cmd_DeviceType:
  79. if(2 == read_len){
  80. tx_offset += Read_Devicetype(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  81. }else{
  82. g_mb_ctx.exception_code = INVALID_DATA;
  83. }
  84. break;
  85. case Cmd_Addr:
  86. if(2 == read_len){
  87. tx_offset += Read_Addr(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  88. }else if(4 == read_len){
  89. tx_offset += Read_Addr(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  90. tx_offset += Read_Baudrate(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  91. }else {
  92. g_mb_ctx.exception_code = INVALID_DATA;
  93. }
  94. break;
  95. case Cmd_Baudrate:
  96. if(2 == read_len){
  97. tx_offset += Read_Baudrate(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  98. }else{
  99. g_mb_ctx.exception_code = INVALID_DATA;
  100. }
  101. break;
  102. case Cmd_LockStatus:
  103. if(4 == read_len){
  104. tx_offset += Read_LockStatus(g_mb_ctx.txbuf+tx_offset, g_mb_ctx.txbuf_size-tx_offset);
  105. }else{
  106. g_mb_ctx.exception_code = INVALID_DATA;
  107. }
  108. break;
  109. default:
  110. g_mb_ctx.exception_code = INVALID_COMMAND;
  111. break;
  112. };
  113. if(NO_EXCEPTION == g_mb_ctx.exception_code){
  114. g_mb_ctx.txbuf[2] = (uint8_t)read_len;
  115. g_mb_ctx.tx_len = tx_offset;
  116. }else{
  117. g_mb_ctx.txbuf[1] |= 0x80; // func code
  118. g_mb_ctx.txbuf[2] = g_mb_ctx.exception_code;
  119. g_mb_ctx.tx_len = 3;
  120. }
  121. crc = crc16(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  122. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)((crc>>8) & 0x00ff);
  123. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)(crc & 0x00ff);
  124. uart0_TransmitData(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  125. }
  126. void mb_06_handle(void)
  127. {
  128. uint16_t crc;
  129. uint8_t ret_write = RET_OK;
  130. memcpy(g_mb_ctx.txbuf, g_mb_ctx.rxbuf, g_mb_ctx.rx_len);
  131. switch(g_mb_ctx.cmd){
  132. case Cmd_HardwareVersion:
  133. if(2 == g_mb_ctx.rx_len-4-2){
  134. ret_write = Write_HardwareVersion(g_mb_ctx.rxbuf+4, 2);
  135. if(RET_DATAINVALID == ret_write)
  136. g_mb_ctx.exception_code = INVALID_DATA;
  137. }else{
  138. g_mb_ctx.exception_code = INVALID_DATA;
  139. }
  140. break;
  141. case Cmd_DeviceType:
  142. if(2 == g_mb_ctx.rx_len-4-2){
  143. ret_write = Write_Devicetype(g_mb_ctx.rxbuf+4, 2);
  144. if(RET_DATAINVALID == ret_write)
  145. g_mb_ctx.exception_code = INVALID_DATA;
  146. }else{
  147. g_mb_ctx.exception_code = INVALID_DATA;
  148. }
  149. break;
  150. case Cmd_Addr:
  151. if(2 == g_mb_ctx.rx_len-4-2){
  152. ret_write = Write_Addr(g_mb_ctx.rxbuf+4, 2);
  153. if(RET_DATAINVALID == ret_write)
  154. g_mb_ctx.exception_code = INVALID_DATA;
  155. }else{
  156. g_mb_ctx.exception_code = INVALID_DATA;
  157. }
  158. break;
  159. case Cmd_Baudrate:
  160. if(2 == g_mb_ctx.rx_len-4-2){
  161. ret_write = Write_Baudrate(g_mb_ctx.rxbuf+4, 2);
  162. if(RET_DATAINVALID == ret_write)
  163. g_mb_ctx.exception_code = INVALID_DATA;
  164. }else{
  165. g_mb_ctx.exception_code = INVALID_DATA;
  166. }
  167. break;
  168. case Cmd_Reboot:
  169. //NVIC_SystemReset();
  170. ret_write = RET_NEED_REBOOT;
  171. break;
  172. case Cmd_Reset:
  173. ResetConfig();
  174. ret_write = RET_NEED_SAVE|RET_NEED_REBOOT;
  175. //NVIC_SystemReset();
  176. break;
  177. default:
  178. g_mb_ctx.exception_code = INVALID_COMMAND;
  179. break;
  180. };
  181. if(NO_EXCEPTION == g_mb_ctx.exception_code){
  182. g_mb_ctx.tx_len = g_mb_ctx.rx_len;
  183. }else{
  184. g_mb_ctx.txbuf[1] |= 0x80; // func code
  185. g_mb_ctx.txbuf[2] = g_mb_ctx.exception_code;
  186. g_mb_ctx.tx_len = 3;
  187. crc = crc16(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  188. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)((crc>>8) & 0x00ff);
  189. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)(crc & 0x00ff);
  190. }
  191. uart0_TransmitData(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  192. if((ret_write&RET_NEED_SAVE) > 0 ){
  193. SaveConfig();
  194. }
  195. if((ret_write&RET_NEED_REBOOT) > 0 ){
  196. mdelay(200);
  197. NVIC_SystemReset();
  198. }
  199. }
  200. void mb_10_handle(void)
  201. {
  202. uint16_t crc;
  203. uint8_t ret_write = RET_OK;
  204. uint16_t reg_num = ((uint16_t)g_mb_ctx.rxbuf[4]<<8)|g_mb_ctx.rxbuf[5];
  205. uint16_t data_len = g_mb_ctx.rxbuf[6];
  206. memcpy(g_mb_ctx.txbuf, g_mb_ctx.rxbuf, g_mb_ctx.rx_len);
  207. // 先判段数据长度是否一致
  208. if(data_len != reg_num*2){
  209. g_mb_ctx.exception_code = INVALID_DATA;
  210. }else{
  211. if(data_len != g_mb_ctx.rx_len-7-2){
  212. g_mb_ctx.exception_code = INVALID_DATA;
  213. }
  214. }
  215. if(NO_EXCEPTION == g_mb_ctx.exception_code){
  216. switch(g_mb_ctx.cmd){
  217. case Cmd_HardwareVersion:
  218. if(8 == data_len){
  219. ret_write |= Write_HardwareVersion(g_mb_ctx.rxbuf+7, 2);
  220. ret_write |= Write_Deviceid(g_mb_ctx.rxbuf+7+2, 4);
  221. ret_write |= Write_Devicetype(g_mb_ctx.rxbuf+7+6, 2);
  222. if(ret_write&RET_DATAINVALID)
  223. g_mb_ctx.exception_code = INVALID_DATA;
  224. }else if(6 == data_len){
  225. ret_write |= Write_HardwareVersion(g_mb_ctx.rxbuf+7, 2);
  226. ret_write |= Write_Deviceid(g_mb_ctx.rxbuf+7+2, 4);
  227. if(ret_write&RET_DATAINVALID)
  228. g_mb_ctx.exception_code = INVALID_DATA;
  229. }else if(2 == g_mb_ctx.rx_len-4-2){
  230. ret_write = Write_HardwareVersion(g_mb_ctx.rxbuf+7, 2);
  231. if(ret_write&RET_DATAINVALID)
  232. g_mb_ctx.exception_code = INVALID_DATA;
  233. }else{
  234. g_mb_ctx.exception_code = INVALID_DATA;
  235. }
  236. break;
  237. case Cmd_DeviceID:
  238. if(6 == data_len){
  239. ret_write |= Write_Deviceid(g_mb_ctx.rxbuf+7, 4);
  240. ret_write |= Write_Devicetype(g_mb_ctx.rxbuf+7+4, 2);
  241. if(ret_write&RET_DATAINVALID)
  242. g_mb_ctx.exception_code = INVALID_DATA;
  243. }else if(4 == data_len){
  244. ret_write |= Write_Deviceid(g_mb_ctx.rxbuf+7, 4);
  245. if(ret_write&RET_DATAINVALID)
  246. g_mb_ctx.exception_code = INVALID_DATA;
  247. }else{
  248. g_mb_ctx.exception_code = INVALID_DATA;
  249. }
  250. break;
  251. case Cmd_DeviceType:
  252. if(2 == data_len){
  253. ret_write |= Write_Devicetype(g_mb_ctx.rxbuf+7, 2);
  254. if(ret_write&RET_DATAINVALID)
  255. g_mb_ctx.exception_code = INVALID_DATA;
  256. }else{
  257. g_mb_ctx.exception_code = INVALID_DATA;
  258. }
  259. break;
  260. case Cmd_Addr:
  261. if(4 == data_len){
  262. ret_write |= Write_Addr(g_mb_ctx.rxbuf+7, 2);
  263. ret_write |= Write_Addr(g_mb_ctx.rxbuf+7+2, 2);
  264. if(ret_write&RET_DATAINVALID)
  265. g_mb_ctx.exception_code = INVALID_DATA;
  266. }else if(2 == data_len){
  267. ret_write |= Write_Addr(g_mb_ctx.rxbuf+7, 2);
  268. if(ret_write&RET_DATAINVALID)
  269. g_mb_ctx.exception_code = INVALID_DATA;
  270. }else{
  271. g_mb_ctx.exception_code = INVALID_DATA;
  272. }
  273. break;
  274. case Cmd_Baudrate:
  275. if(2 == data_len){
  276. ret_write |= Write_Baudrate(g_mb_ctx.rxbuf+7, 2);
  277. if(ret_write&RET_DATAINVALID)
  278. g_mb_ctx.exception_code = INVALID_DATA;
  279. }else{
  280. g_mb_ctx.exception_code = INVALID_DATA;
  281. }
  282. break;
  283. default:
  284. g_mb_ctx.exception_code = INVALID_COMMAND;
  285. break;
  286. };
  287. }
  288. if(NO_EXCEPTION == g_mb_ctx.exception_code){
  289. //只需要收到的前面6个字节的数据
  290. g_mb_ctx.tx_len = 6;
  291. }else{
  292. g_mb_ctx.txbuf[1] |= 0x80; // func code
  293. g_mb_ctx.txbuf[2] = g_mb_ctx.exception_code;
  294. g_mb_ctx.tx_len = 3;
  295. }
  296. crc = crc16(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  297. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)((crc>>8) & 0x00ff);
  298. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)(crc & 0x00ff);
  299. uart0_TransmitData(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  300. if((ret_write&RET_NEED_SAVE) > 0 ){
  301. SaveConfig();
  302. }
  303. if((ret_write&RET_NEED_REBOOT) > 0 ){
  304. mdelay(200);
  305. NVIC_SystemReset();
  306. }
  307. }
  308. void mb_42_handle(void)
  309. {
  310. uint16_t crc;
  311. uint8_t ret_write = RET_OK;
  312. memcpy(g_mb_ctx.txbuf, g_mb_ctx.rxbuf, 4);
  313. g_mb_ctx.tx_len = 4;
  314. if(Cmd_IapUpgrade == g_mb_ctx.cmd){
  315. g_mb_ctx.tx_len += IAP_CmdHandle(g_mb_ctx.rxbuf+g_mb_ctx.tx_len, g_mb_ctx.rx_len-4-2, g_mb_ctx.txbuf+g_mb_ctx.tx_len);
  316. if(1 == iap_reboot){
  317. ret_write |= RET_NEED_REBOOT;
  318. }
  319. }else{
  320. g_mb_ctx.exception_code = INVALID_COMMAND;
  321. }
  322. if(NO_EXCEPTION == g_mb_ctx.exception_code){
  323. //啥都不用做
  324. }else{
  325. g_mb_ctx.txbuf[1] |= 0x80; // func code
  326. g_mb_ctx.txbuf[2] = g_mb_ctx.exception_code;
  327. g_mb_ctx.tx_len = 3;
  328. }
  329. crc = crc16(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  330. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)((crc>>8) & 0x00ff);
  331. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)(crc & 0x00ff);
  332. uart0_TransmitData(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  333. if((ret_write&RET_NEED_SAVE) > 0 ){
  334. SaveConfig();
  335. }
  336. if((ret_write&RET_NEED_REBOOT) > 0 ){
  337. mdelay(200);
  338. NVIC_SystemReset();
  339. }
  340. }
  341. void mb_funccodeerror_handle(void)
  342. {
  343. uint16_t crc;
  344. uint8_t ret_write = RET_OK;
  345. memcpy(g_mb_ctx.txbuf, g_mb_ctx.rxbuf, 4);
  346. g_mb_ctx.txbuf[1] |= 0x80;
  347. g_mb_ctx.txbuf[2] = INVALID_FUNCTION_CODE;
  348. g_mb_ctx.tx_len = 3;
  349. crc = crc16(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  350. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)((crc>>8) & 0x00ff);
  351. g_mb_ctx.txbuf[g_mb_ctx.tx_len++] = (uint8_t)(crc & 0x00ff);
  352. uart0_TransmitData(g_mb_ctx.txbuf, g_mb_ctx.tx_len);
  353. }
  354. void mb_handle(void)
  355. {
  356. g_mb_ctx.func_code = g_mb_ctx.rxbuf[1];
  357. g_mb_ctx.cmd = ((uint16_t)g_mb_ctx.rxbuf[2]<<8) | g_mb_ctx.rxbuf[3];
  358. if(MB_FUNC_03 == g_mb_ctx.func_code){
  359. mb_03_handle();
  360. }else if(MB_FUNC_06 == g_mb_ctx.func_code){
  361. mb_06_handle();
  362. }else if(MB_FUNC_10 == g_mb_ctx.func_code){
  363. mb_10_handle();
  364. }else if(MB_FUNC_42 == g_mb_ctx.func_code){
  365. mb_42_handle();
  366. }else{
  367. mb_funccodeerror_handle();
  368. }
  369. }
  370. /**
  371. * Uart0_RxDataHandle
  372. *
  373. * @return none
  374. *
  375. * @brief 主任务处理函数
  376. */
  377. void Uart0_RxDataHandle(void)
  378. {
  379. g_mb_ctx.rxbuf = uart0_info.recv_buffer;
  380. g_mb_ctx.rx_len = uart0_info.recv_len;
  381. g_mb_ctx.txbuf = uart0_info.send_buffer;
  382. g_mb_ctx.txbuf_size = UART0_TRANSMIT_DATA_POOL_COUNT;
  383. g_mb_ctx.tx_len = 0;
  384. g_mb_ctx.exception_code = NO_EXCEPTION;
  385. uint16_t crc;
  386. uint16_t ret_len = 0;
  387. uint8_t ret_write = RET_OK;
  388. if(g_mb_ctx.rx_len > 2){
  389. //check rs485 addr
  390. if(config->addr == g_mb_ctx.rxbuf[0] || BROADCAST_ADDR == g_mb_ctx.rxbuf[0]){
  391. #if 1
  392. // check crc
  393. crc = ((uint16_t)g_mb_ctx.rxbuf[g_mb_ctx.rx_len-2]<<8) | g_mb_ctx.rxbuf[g_mb_ctx.rx_len-1];
  394. if (crc == crc16(g_mb_ctx.rxbuf, g_mb_ctx.rx_len-2))
  395. {
  396. mb_handle();
  397. #if 0
  398. //copy 地址、功能码、命令、到发送buf
  399. memcpy(txbuf, (void *)rxbuf, 4);
  400. tx_len +=4;
  401. if(MODBUS_FUNC_READ == rxbuf[1]){
  402. cmd = ((uint16_t)rxbuf[2]<<8) | rxbuf[3];
  403. switch(cmd){
  404. case Cmd_FirmwareVersion:
  405. ret_len = Read_FirmwareVersion(txbuf+tx_len, txbuf_size-tx_len);
  406. break;
  407. case Cmd_HardwareVersion:
  408. ret_len = Read_HardwareVersion(txbuf+tx_len, txbuf_size-tx_len);
  409. break;
  410. case Cmd_DeviceID:
  411. ret_len = Read_Deviceid(txbuf+tx_len, txbuf_size-tx_len);
  412. break;
  413. case Cmd_DeviceType:
  414. ret_len = Read_Devicetype(txbuf+tx_len, txbuf_size-tx_len);
  415. break;
  416. case Cmd_Addr:
  417. ret_len = Read_Addr(txbuf+tx_len, txbuf_size-tx_len);
  418. break;
  419. case Cmd_Baudrate:
  420. ret_len = Read_Baudrate(txbuf+tx_len, txbuf_size-tx_len);
  421. break;
  422. case Cmd_LockStatus:
  423. ret_len = Read_LockStatus(txbuf+tx_len, txbuf_size-tx_len);
  424. break;
  425. default:
  426. txbuf[1] |= 0x80;
  427. txbuf[tx_len] = INVALID_COMMAND;
  428. ret_len = 1;
  429. break;
  430. };
  431. if(0 == ret_len){
  432. // error occur
  433. txbuf[1] |= 0x80;
  434. txbuf[tx_len] = DEVICE_FAULT;
  435. ret_len = 1;
  436. }
  437. tx_len += ret_len;
  438. crc = crc16(txbuf, tx_len);
  439. txbuf[tx_len++] = (uint8_t)((crc>>8) & 0x00ff);
  440. txbuf[tx_len++] = (uint8_t)(crc & 0x00ff);
  441. uart0_TransmitData(txbuf, tx_len);
  442. }else if(MODBUS_FUNC_WRITE == rxbuf[1]){
  443. ret_write = RET_OK;
  444. cmd = ((uint16_t)rxbuf[2]<<8) | rxbuf[3];
  445. switch(cmd){
  446. case Cmd_HardwareVersion:
  447. ret_write = Write_HardwareVersion(rxbuf+4, rx_len-4-2);
  448. break;
  449. case Cmd_DeviceID:
  450. ret_write = Write_Deviceid(rxbuf+4, rx_len-4-2);
  451. break;
  452. case Cmd_DeviceType:
  453. ret_write = Write_Devicetype(rxbuf+4, rx_len-4-2);
  454. break;
  455. case Cmd_Addr:
  456. ret_write = Write_Addr(rxbuf+4, rx_len-4-2);
  457. break;
  458. case Cmd_Baudrate:
  459. ret_write = Write_Baudrate(rxbuf+4, rx_len-4-2);
  460. break;
  461. case Cmd_Reboot:
  462. //NVIC_SystemReset();
  463. ret_write = RET_NEED_REBOOT;
  464. break;
  465. case Cmd_Reset:
  466. ResetConfig();
  467. ret_write = RET_NEED_SAVE|RET_NEED_REBOOT;
  468. //NVIC_SystemReset();
  469. break;
  470. case Cmd_IapUpgrade:
  471. tx_len += IAP_CmdHandle(rxbuf+tx_len, rx_len-4-2, txbuf+tx_len);
  472. if(1 == iap_reboot){
  473. ret_write |= RET_NEED_REBOOT;
  474. }
  475. break;
  476. default:
  477. ret_write = RET_CMDINVALID;
  478. break;
  479. };
  480. if((ret_write&RET_ERROR_MASK) > 0){
  481. if((ret_write&RET_DATAINVALID) > 0){
  482. txbuf[1] |= 0x80;
  483. txbuf[tx_len++] = INVALID_DATA;
  484. }else if((ret_write&RET_CMDINVALID) > 0){
  485. txbuf[1] |= 0x80;
  486. txbuf[tx_len++] = INVALID_COMMAND;
  487. }
  488. }else{
  489. if(Cmd_IapUpgrade != cmd){
  490. //copy the whole rx frame
  491. memcpy(txbuf, (void *)rxbuf, rx_len-2);
  492. tx_len =rx_len-2;
  493. }else{
  494. //升级命令,啥都不用做
  495. }
  496. }
  497. crc = crc16(txbuf, tx_len);
  498. txbuf[tx_len++] = (uint8_t)((crc>>8) & 0x00ff);
  499. txbuf[tx_len++] = (uint8_t)(crc & 0x00ff);
  500. uart0_TransmitData(txbuf, tx_len);
  501. if((ret_write&RET_NEED_SAVE) > 0 ){
  502. SaveConfig();
  503. }
  504. if((ret_write&RET_NEED_REBOOT) > 0 ){
  505. mdelay(100);
  506. NVIC_SystemReset();
  507. }
  508. }else{
  509. //function code no exist
  510. txbuf[1] |= 0x80;
  511. txbuf[tx_len++] = INVALID_FUNCTION_CODE;
  512. crc = crc16(txbuf, tx_len);
  513. txbuf[tx_len++] = (uint8_t)((crc>>8) & 0x00ff);
  514. txbuf[tx_len++] = (uint8_t)(crc & 0x00ff);
  515. uart0_TransmitData(txbuf, tx_len);
  516. }
  517. #endif
  518. }
  519. #else
  520. memcpy(txbuf, (void *)rxbuf, rx_len);
  521. tx_len +=rx_len;
  522. uart0_TransmitData(txbuf, tx_len);
  523. #endif
  524. }
  525. } //END rx_len
  526. if(g_mb_ctx.rx_len > 0){
  527. uart0_RecvData();
  528. }
  529. //处理 485 收发状态
  530. if(uart0_info.dmasend_count >= UART_DMASEND_COUNT_RESET){
  531. uart0_info.dmasend_count = 0;
  532. RS485_RX_EN;
  533. }
  534. }
  535. /**
  536. * Task_Init
  537. *
  538. * @return none
  539. *
  540. * @brief 初始化
  541. */
  542. void Task_Init(void)
  543. {
  544. uart_Initialize();
  545. memcpy(uart0_info.send_buffer, (void *)"Booted", 6);
  546. uart0_info.send_len = 6;
  547. uart0_TransmitData(uart0_info.send_buffer, uart0_info.send_len);
  548. uart0_RecvData();
  549. }
  550. /**
  551. * Task_Handle
  552. *
  553. * @return none
  554. *
  555. * @brief 主任务处理函数
  556. */
  557. void Task_Handle(void)
  558. {
  559. Process_RunLedPrd();
  560. Process_ThreeStatus();
  561. Uart0_RxDataHandle();
  562. }