core_spi.c 29 KB

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  1. /*
  2. * Copyright (c) 2022 OpenLuat & AirM2M
  3. *
  4. * Permission is hereby granted, free of charge, to any person obtaining a copy of
  5. * this software and associated documentation files (the "Software"), to deal in
  6. * the Software without restriction, including without limitation the rights to
  7. * use, copy, modify, merge, publish, distribute, sublicense, and/or sell copies of
  8. * the Software, and to permit persons to whom the Software is furnished to do so,
  9. * subject to the following conditions:
  10. *
  11. * The above copyright notice and this permission notice shall be included in all
  12. * copies or substantial portions of the Software.
  13. *
  14. * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15. * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS
  16. * FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR
  17. * COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
  18. * IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
  19. * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
  20. */
  21. #include "user.h"
  22. #define HSPIM_CR0_CLEAR_MASK ((uint32_t)~0xFFEEFFFF)
  23. #define HSPIM_CR0_MODE_SELECT_CLEAR_MASK ((uint32_t)~0x1C00)
  24. #define HSPIM_CR1_CLEAR_MASK ((uint32_t)~0xFFFFF)
  25. #define HSPIM_FCR_CLEAR_MASK ((uint32_t)~0x3F3F3F00)
  26. #define HSPIM_DCR_RECEIVE_LEVEL_CLEAR_MASK ((uint32_t)~0x3F80)
  27. #define HSPIM_DCR_TRANSMIT_LEVEL_CLEAR_MASK ((uint32_t)~0x7F)
  28. #define HSPIM_CR0_PARAM_ENABLE_POS (0x18)
  29. #define HSPIM_CR0_PARAM_DMA_RECEIVE_ENABLE_POS (0x14)
  30. #define HSPIM_CR0_PARAM_DMA_TRANSMIT_ENABLE_POS (0x10)
  31. #define HSPIM_CR0_PARAM_INTERRPUT_RX_POS (0x0F)
  32. #define HSPIM_CR0_PARAM_INTERRPUT_TX_POS (0x0E)
  33. #define HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS (0x0D)
  34. #define HSPIM_CR0_PARAM_MODEL_SELECT_POS (0x0A)
  35. #define HSPIM_CR0_PARAM_FIRST_BIT_POS (0x09)
  36. #define HSPIM_CR0_PARAM_CPOL_POS (0x08)
  37. #define HSPIM_CR0_PARAM_CPHA_POS (0x07)
  38. #define HSPIM_CR0_PARAM_DIVIDE_ENABLE_POS (0x02)
  39. #define HSPIM_CR0_PARAM_TRANSMIT_ENABLE_POS (0x01)
  40. #define HSPIM_CR0_PARAM_BUSY_POS (0x00)
  41. #define HSPIM_CR1_PARAM_BAUDRATE_POS (0x0A)
  42. #define HSPIM_CR1_PARAM_RECEIVE_DATA_LENGTH_POS (0x00)
  43. #define HSPIM_DCR_PARAM_DMA_RECEIVE_LEVEL_POS (0x07)
  44. #define HSPIM_DCR_PARAM_DMA_TRANSMIT_LEVEL_POS (0x00)
  45. #define HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS (0x08)
  46. #define HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS (0x10)
  47. #define HSPIM_SR_PUSH_FULL_TX (1 << 4)
  48. #define HSPIM_SR_POP_EMPTY_RX (1 << 10)
  49. #define HSPIM_FIFO_TX_NUM (63)
  50. #define HSPIM_FIFO_RX_NUM (63)
  51. #define HSPIM_FIFO_LEVEL (48)
  52. #define SPIM_FIFO_TX_NUM (16)
  53. #define SPIM_FIFO_RX_NUM (16)
  54. #define SPIM_FIFO_RX_LEVEL (7)
  55. #define SPIM_FIFO_TX_LEVEL (8)
  56. typedef struct
  57. {
  58. const volatile void *RegBase;
  59. const int32_t IrqLine;
  60. const uint16_t DMATxChannel;
  61. const uint16_t DMARxChannel;
  62. CBFuncEx_t Callback;
  63. void *pParam;
  64. volatile HANDLE Sem;
  65. Buffer_Struct TxBuf;
  66. Buffer_Struct RxBuf;
  67. uint32_t Speed;
  68. uint32_t TargetSpeed;
  69. uint32_t UseDMAValue;
  70. uint8_t DMATxStream;
  71. uint8_t DMARxStream;
  72. uint8_t Is16Bit;
  73. uint8_t IsOnlyTx;
  74. uint8_t IsBusy;
  75. uint8_t IsBlockMode;
  76. uint8_t SpiMode;
  77. uint8_t timeout;
  78. }SPI_ResourceStruct;
  79. #define USE_DMA_MIN_FRQ (100000)
  80. static SPI_ResourceStruct prvSPI[SPI_MAX] = {
  81. {
  82. HSPIM,
  83. SPI5_IRQn,
  84. SYSCTRL_PHER_CTRL_DMA_CHx_IF_HSPI_TX,
  85. SYSCTRL_PHER_CTRL_DMA_CHx_IF_HSPI_RX,
  86. },
  87. {
  88. SPIM0,
  89. SPI0_IRQn,
  90. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI0_TX,
  91. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI0_RX,
  92. },
  93. {
  94. SPIM1,
  95. SPI1_IRQn,
  96. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI1_TX,
  97. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI1_RX,
  98. },
  99. {
  100. SPIM2,
  101. SPI2_IRQn,
  102. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI2_TX,
  103. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI2_RX,
  104. },
  105. {
  106. SPIS0,
  107. SPI0_IRQn,
  108. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI0_TX,
  109. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI0_RX,
  110. },
  111. };
  112. static void HSPI_IrqHandle(int32_t IrqLine, void *pData)
  113. {
  114. uint32_t SpiID = HSPI_ID0;
  115. uint32_t RxLevel, i, TxLen;
  116. HSPIM_TypeDef *SPI = HSPIM;
  117. volatile uint32_t DummyData;
  118. if (!prvSPI[SpiID].IsBusy)
  119. {
  120. ISR_Clear(prvSPI[SpiID].IrqLine);
  121. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  122. return;
  123. }
  124. if (prvSPI[SpiID].RxBuf.Data)
  125. {
  126. while (prvSPI[SpiID].RxBuf.Pos < prvSPI[SpiID].RxBuf.MaxLen)
  127. {
  128. if (SPI->SR & HSPIM_SR_POP_EMPTY_RX)
  129. {
  130. break;
  131. }
  132. else
  133. {
  134. prvSPI[SpiID].RxBuf.Data[prvSPI[SpiID].RxBuf.Pos] = SPI->RDR;
  135. prvSPI[SpiID].RxBuf.Pos++;
  136. }
  137. }
  138. }
  139. else
  140. {
  141. while (prvSPI[SpiID].RxBuf.Pos < prvSPI[SpiID].RxBuf.MaxLen)
  142. {
  143. if (SPI->SR & HSPIM_SR_POP_EMPTY_RX)
  144. {
  145. break;
  146. }
  147. else
  148. {
  149. DummyData = SPI->RDR;
  150. prvSPI[SpiID].RxBuf.Pos++;
  151. }
  152. }
  153. }
  154. if (prvSPI[SpiID].RxBuf.Pos >= prvSPI[SpiID].RxBuf.MaxLen)
  155. {
  156. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  157. prvSPI[SpiID].IsBusy = 0;
  158. ISR_Clear(prvSPI[SpiID].IrqLine);
  159. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  160. if ((prvSPI[SpiID].TxBuf.Pos != prvSPI[SpiID].RxBuf.Pos) || (prvSPI[SpiID].RxBuf.Pos != prvSPI[SpiID].RxBuf.MaxLen))
  161. {
  162. DBG("%u, %u", prvSPI[SpiID].TxBuf.Pos, prvSPI[SpiID].RxBuf.Pos);
  163. }
  164. #ifdef __BUILD_OS__
  165. if (prvSPI[SpiID].IsBlockMode)
  166. {
  167. prvSPI[SpiID].IsBlockMode = 0;
  168. OS_MutexRelease(prvSPI[SpiID].Sem);
  169. }
  170. #endif
  171. PM_SetHardwareRunFlag(PM_HW_HSPI, 0);
  172. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  173. return;
  174. }
  175. if (prvSPI[SpiID].TxBuf.Pos < prvSPI[SpiID].TxBuf.MaxLen)
  176. {
  177. i = 0;
  178. TxLen = (HSPIM_FIFO_TX_NUM - (SPI->FSR & 0x0000003f));
  179. if (TxLen > (prvSPI[SpiID].TxBuf.MaxLen -prvSPI[SpiID].TxBuf.Pos))
  180. {
  181. TxLen = prvSPI[SpiID].TxBuf.MaxLen - prvSPI[SpiID].TxBuf.Pos;
  182. }
  183. while((i < TxLen))
  184. {
  185. SPI->WDR = prvSPI[SpiID].TxBuf.Data[prvSPI[SpiID].TxBuf.Pos + i];
  186. i++;
  187. }
  188. prvSPI[SpiID].TxBuf.Pos += TxLen;
  189. if (prvSPI[SpiID].TxBuf.Pos >= prvSPI[SpiID].TxBuf.MaxLen)
  190. {
  191. SPI->FCR = (63 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(0 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(63);
  192. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  193. SPI->CR0 |= (5 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  194. }
  195. }
  196. else
  197. {
  198. SPI->FCR = (63 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(0 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(63);
  199. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  200. SPI->CR0 |= (5 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  201. }
  202. }
  203. static int32_t SPI_DMADoneCB(void *pData, void *pParam)
  204. {
  205. uint32_t SpiID = (uint32_t)pData;
  206. uint32_t RxLevel;
  207. if (prvSPI[SpiID].RxBuf.MaxLen > prvSPI[SpiID].RxBuf.Pos)
  208. {
  209. RxLevel = ((prvSPI[SpiID].RxBuf.MaxLen - prvSPI[SpiID].RxBuf.Pos) > 4080)?4000:(prvSPI[SpiID].RxBuf.MaxLen - prvSPI[SpiID].RxBuf.Pos);
  210. DMA_ClearStreamFlag(prvSPI[SpiID].DMATxStream);
  211. DMA_ClearStreamFlag(prvSPI[SpiID].DMARxStream);
  212. if (prvSPI[SpiID].IsOnlyTx)
  213. {
  214. DMA_ForceStartStream(prvSPI[SpiID].DMATxStream, &prvSPI[SpiID].TxBuf.Data[prvSPI[SpiID].TxBuf.Pos], RxLevel, SPI_DMADoneCB, (void *)SpiID, 1);
  215. // DMA_ForceStartStream(prvSPI[SpiID].DMARxStream, &prvSPI[SpiID].RxBuf.Data[prvSPI[SpiID].RxBuf.Pos], RxLevel, NULL, NULL, 0);
  216. }
  217. else
  218. {
  219. DMA_ForceStartStream(prvSPI[SpiID].DMATxStream, &prvSPI[SpiID].TxBuf.Data[prvSPI[SpiID].TxBuf.Pos], RxLevel, NULL, NULL, 0);
  220. DMA_ForceStartStream(prvSPI[SpiID].DMARxStream, &prvSPI[SpiID].RxBuf.Data[prvSPI[SpiID].RxBuf.Pos], RxLevel, SPI_DMADoneCB, (void *)SpiID, 1);
  221. }
  222. prvSPI[SpiID].RxBuf.Pos += RxLevel;
  223. prvSPI[SpiID].TxBuf.Pos += RxLevel;
  224. }
  225. else
  226. {
  227. prvSPI[SpiID].IsBusy = 0;
  228. if ((prvSPI[SpiID].TxBuf.Pos != prvSPI[SpiID].RxBuf.Pos) || (prvSPI[SpiID].RxBuf.Pos != prvSPI[SpiID].RxBuf.MaxLen))
  229. {
  230. DBG("%u, %u", prvSPI[SpiID].TxBuf.Pos, prvSPI[SpiID].RxBuf.Pos);
  231. }
  232. #ifdef __BUILD_OS__
  233. if (prvSPI[SpiID].IsBlockMode)
  234. {
  235. prvSPI[SpiID].IsBlockMode = 0;
  236. OS_MutexRelease(prvSPI[SpiID].Sem);
  237. }
  238. #endif
  239. if (SpiID)
  240. {
  241. PM_SetHardwareRunFlag(PM_HW_SPI_0 + SpiID - 1, 0);
  242. }
  243. else
  244. {
  245. PM_SetHardwareRunFlag(PM_HW_HSPI, 0);
  246. }
  247. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  248. }
  249. }
  250. static void SPI_IrqHandle(int32_t IrqLine, void *pData)
  251. {
  252. uint32_t SpiID = (uint32_t)pData;
  253. volatile uint32_t DummyData;
  254. uint32_t RxLevel, SR, i, TxLen;
  255. SPI_TypeDef *SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  256. if (!prvSPI[SpiID].IsBusy)
  257. {
  258. SR = SPI->ICR;
  259. SPI->IMR = 0;
  260. SPI->SER = 0;
  261. ISR_Clear(prvSPI[SpiID].IrqLine);
  262. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  263. return;
  264. }
  265. TxLen = SPIM_FIFO_TX_NUM - SPI->TXFLR;
  266. SR = SPI->ICR;
  267. if (prvSPI[SpiID].RxBuf.Data)
  268. {
  269. while(SPI->RXFLR)
  270. {
  271. prvSPI[SpiID].RxBuf.Data[prvSPI[SpiID].RxBuf.Pos] = SPI->DR;
  272. prvSPI[SpiID].RxBuf.Pos++;
  273. }
  274. }
  275. else
  276. {
  277. while(SPI->RXFLR)
  278. {
  279. DummyData = SPI->DR;
  280. prvSPI[SpiID].RxBuf.Pos++;
  281. }
  282. }
  283. if (prvSPI[SpiID].RxBuf.Pos >= prvSPI[SpiID].RxBuf.MaxLen)
  284. {
  285. SR = SPI->ICR;
  286. SPI->IMR = 0;
  287. SPI->SER = 0;
  288. prvSPI[SpiID].IsBusy = 0;
  289. ISR_Clear(prvSPI[SpiID].IrqLine);
  290. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  291. if (prvSPI[SpiID].TxBuf.Pos != prvSPI[SpiID].RxBuf.Pos)
  292. {
  293. DBG("%u, %u", prvSPI[SpiID].TxBuf.Pos, prvSPI[SpiID].RxBuf.Pos);
  294. }
  295. #ifdef __BUILD_OS__
  296. if (prvSPI[SpiID].IsBlockMode)
  297. {
  298. prvSPI[SpiID].IsBlockMode = 0;
  299. OS_MutexRelease(prvSPI[SpiID].Sem);
  300. }
  301. #endif
  302. PM_SetHardwareRunFlag(PM_HW_SPI_0 + SpiID - 1, 0);
  303. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  304. return;
  305. }
  306. if (prvSPI[SpiID].TxBuf.Pos < prvSPI[SpiID].TxBuf.MaxLen)
  307. {
  308. i = 0;
  309. if (TxLen > (prvSPI[SpiID].TxBuf.MaxLen -prvSPI[SpiID].TxBuf.Pos))
  310. {
  311. TxLen = prvSPI[SpiID].TxBuf.MaxLen - prvSPI[SpiID].TxBuf.Pos;
  312. }
  313. while((i < TxLen))
  314. {
  315. SPI->DR = prvSPI[SpiID].TxBuf.Data[prvSPI[SpiID].TxBuf.Pos + i];
  316. i++;
  317. }
  318. prvSPI[SpiID].TxBuf.Pos += i;
  319. }
  320. else
  321. {
  322. if ((prvSPI[SpiID].RxBuf.MaxLen - prvSPI[SpiID].RxBuf.Pos) >= SPIM_FIFO_RX_NUM)
  323. {
  324. SPI->RXFTLR = (SPIM_FIFO_RX_NUM - 1);
  325. }
  326. else
  327. {
  328. SPI->RXFTLR = prvSPI[SpiID].RxBuf.MaxLen - prvSPI[SpiID].RxBuf.Pos - 1;
  329. }
  330. SPI->IMR = SPI_IMR_RXOIM|SPI_IMR_RXFIM;
  331. }
  332. }
  333. static int32_t SPI_DummyCB(void *pData, void *pParam)
  334. {
  335. return 0;
  336. }
  337. static void HSPI_MasterInit(uint8_t SpiID, uint8_t Mode, uint32_t Speed)
  338. {
  339. HSPIM_TypeDef *SPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  340. uint32_t div = (SystemCoreClock / Speed) >> 1;
  341. uint32_t ctrl = (1 << 24) | (1 << 10) | (1 << 2) | (1 << 1);
  342. switch(Mode)
  343. {
  344. case SPI_MODE_0:
  345. break;
  346. case SPI_MODE_1:
  347. ctrl |= (1 << HSPIM_CR0_PARAM_CPHA_POS);
  348. break;
  349. case SPI_MODE_2:
  350. ctrl |= (1 << HSPIM_CR0_PARAM_CPOL_POS);
  351. break;
  352. case SPI_MODE_3:
  353. ctrl |= (1 << HSPIM_CR0_PARAM_CPOL_POS)|(1 << HSPIM_CR0_PARAM_CPHA_POS);
  354. break;
  355. }
  356. SPI->CR1 = (div << HSPIM_CR1_PARAM_BAUDRATE_POS);
  357. SPI->CR0 = ctrl;
  358. SPI->DCR = 30|(1 << 7);
  359. prvSPI[SpiID].Speed = (SystemCoreClock >> 1) / div;
  360. prvSPI[SpiID].UseDMAValue = (prvSPI[SpiID].Speed >> 3) / USE_DMA_MIN_FRQ;
  361. ISR_SetHandler(prvSPI[SpiID].IrqLine, HSPI_IrqHandle, (uint32_t)SpiID);
  362. #ifdef __BUILD_OS__
  363. ISR_SetPriority(prvSPI[SpiID].IrqLine, IRQ_MAX_PRIORITY + 1);
  364. #else
  365. ISR_SetPriority(prvSPI[SpiID].IrqLine, 3);
  366. #endif
  367. ISR_Clear(prvSPI[SpiID].IrqLine);
  368. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  369. }
  370. void SPI_MasterInit(uint8_t SpiID, uint8_t DataBit, uint8_t Mode, uint32_t Speed, CBFuncEx_t CB, void *pUserData)
  371. {
  372. SPI_TypeDef *SPI;
  373. uint32_t ctrl;
  374. uint32_t div;
  375. prvSPI[SpiID].SpiMode = Mode;
  376. prvSPI[SpiID].TargetSpeed = Speed;
  377. switch(SpiID)
  378. {
  379. case HSPI_ID0:
  380. HSPI_MasterInit(SpiID, Mode, Speed);
  381. break;
  382. case SPI_ID0:
  383. SYSCTRL->PHER_CTRL &= ~SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  384. case SPI_ID1:
  385. case SPI_ID2:
  386. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  387. SPI->SSIENR = 0;
  388. SPI->SER = 0;
  389. SPI->IMR = 0;
  390. SPI->DMACR = 0;
  391. ctrl = DataBit - 1;
  392. switch(Mode)
  393. {
  394. case SPI_MODE_0:
  395. break;
  396. case SPI_MODE_1:
  397. ctrl |= SPI_CTRLR0_SCPH;
  398. break;
  399. case SPI_MODE_2:
  400. ctrl |= SPI_CTRLR0_SCPOL;
  401. break;
  402. case SPI_MODE_3:
  403. ctrl |= SPI_CTRLR0_SCPOL|SPI_CTRLR0_SCPH;
  404. break;
  405. }
  406. div = (SystemCoreClock >> 2) / Speed;
  407. if (!div) div = 2;
  408. if (div % 2) div++;
  409. prvSPI[SpiID].Speed = (SystemCoreClock >> 2) / div;
  410. prvSPI[SpiID].UseDMAValue = (prvSPI[SpiID].Speed >> 3) / USE_DMA_MIN_FRQ;
  411. SPI->CTRLR0 = ctrl;
  412. SPI->BAUDR = div;
  413. SPI->TXFTLR = 0;
  414. SPI->RXFTLR = 0;
  415. SPI->DMATDLR = 7;
  416. SPI->DMARDLR = 0;
  417. ISR_SetHandler(prvSPI[SpiID].IrqLine, SPI_IrqHandle, (uint32_t)SpiID);
  418. #ifdef __BUILD_OS__
  419. ISR_SetPriority(prvSPI[SpiID].IrqLine, IRQ_LOWEST_PRIORITY - 2);
  420. #else
  421. ISR_SetPriority(prvSPI[SpiID].IrqLine, 5);
  422. #endif
  423. ISR_Clear(prvSPI[SpiID].IrqLine);
  424. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  425. SPI->SSIENR = 1;
  426. break;
  427. // case SPI_ID3:
  428. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  429. // break;
  430. default:
  431. return;
  432. }
  433. prvSPI[SpiID].DMATxStream = 0xff;
  434. prvSPI[SpiID].DMARxStream = 0xff;
  435. if (CB)
  436. {
  437. prvSPI[SpiID].Callback = CB;
  438. }
  439. else
  440. {
  441. prvSPI[SpiID].Callback = SPI_DummyCB;
  442. }
  443. prvSPI[SpiID].pParam = pUserData;
  444. #ifdef __BUILD_OS__
  445. if (!prvSPI[SpiID].Sem)
  446. {
  447. prvSPI[SpiID].Sem = OS_MutexCreate();
  448. }
  449. #endif
  450. }
  451. void SPI_SetTxOnlyFlag(uint8_t SpiID, uint8_t OnOff)
  452. {
  453. prvSPI[SpiID].IsOnlyTx = OnOff;
  454. }
  455. void SPI_SetCallbackFun(uint8_t SpiID, CBFuncEx_t CB, void *pUserData)
  456. {
  457. if (CB)
  458. {
  459. prvSPI[SpiID].Callback = CB;
  460. }
  461. else
  462. {
  463. prvSPI[SpiID].Callback = SPI_DummyCB;
  464. }
  465. prvSPI[SpiID].pParam = pUserData;
  466. }
  467. void SPI_SetNoBlock(uint8_t SpiID)
  468. {
  469. prvSPI[SpiID].IsBlockMode = 1;
  470. }
  471. static void SPI_DMATransfer(uint8_t SpiID, uint8_t UseDMA)
  472. {
  473. uint32_t RxLevel;
  474. RxLevel = (prvSPI[SpiID].RxBuf.MaxLen > 4080)?4000:prvSPI[SpiID].RxBuf.MaxLen;
  475. prvSPI[SpiID].RxBuf.Pos += RxLevel;
  476. prvSPI[SpiID].TxBuf.Pos += RxLevel;
  477. DMA_StopStream(prvSPI[SpiID].DMATxStream);
  478. DMA_StopStream(prvSPI[SpiID].DMARxStream);
  479. if (prvSPI[SpiID].IsOnlyTx)
  480. {
  481. DMA_ForceStartStream(prvSPI[SpiID].DMATxStream, prvSPI[SpiID].TxBuf.Data, RxLevel, SPI_DMADoneCB, (void *)SpiID, 1);
  482. // DMA_ForceStartStream(prvSPI[SpiID].DMARxStream, prvSPI[SpiID].RxBuf.Data, RxLevel, NULL, NULL, 0);
  483. }
  484. else
  485. {
  486. DMA_ForceStartStream(prvSPI[SpiID].DMATxStream, prvSPI[SpiID].TxBuf.Data, RxLevel, NULL, NULL, 0);
  487. DMA_ForceStartStream(prvSPI[SpiID].DMARxStream, prvSPI[SpiID].RxBuf.Data, RxLevel, SPI_DMADoneCB, (void *)SpiID, 1);
  488. }
  489. }
  490. static int32_t HSPI_Transfer(uint8_t SpiID, uint8_t UseDMA)
  491. {
  492. HSPIM_TypeDef *SPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  493. uint32_t TxLen, i;
  494. PM_SetHardwareRunFlag(PM_HW_HSPI, 1);
  495. if (UseDMA)
  496. {
  497. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  498. SPI->CR0 |= (1 << HSPIM_CR0_PARAM_DMA_TRANSMIT_ENABLE_POS)|(1 << HSPIM_CR0_PARAM_DMA_RECEIVE_ENABLE_POS);
  499. SPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(0 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  500. SPI->FCR &= ~(3 << 6);
  501. SPI_DMATransfer(SpiID, UseDMA);
  502. }
  503. else
  504. {
  505. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  506. // SPI->CR0 &= ~(1 << 10);
  507. SPI->CR0 &= ~((1 << HSPIM_CR0_PARAM_DMA_TRANSMIT_ENABLE_POS)|(1 << HSPIM_CR0_PARAM_DMA_RECEIVE_ENABLE_POS));
  508. if (prvSPI[SpiID].TxBuf.MaxLen <= HSPIM_FIFO_TX_NUM)
  509. {
  510. TxLen = prvSPI[SpiID].TxBuf.MaxLen;
  511. SPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|((TxLen - 1) << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  512. SPI->CR0 |= (5 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  513. }
  514. else
  515. {
  516. TxLen = HSPIM_FIFO_TX_NUM;
  517. SPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(63 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  518. SPI->CR0 |= (3 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  519. }
  520. SPI->FCR &= ~(3 << 6);
  521. for(i = 0; i < TxLen; i++)
  522. {
  523. SPI->WDR = prvSPI[SpiID].TxBuf.Data[i];
  524. }
  525. prvSPI[SpiID].TxBuf.Pos += TxLen;
  526. // SPI->CR0 |= (1 << 10);
  527. ISR_Clear(prvSPI[SpiID].IrqLine);
  528. ISR_OnOff(prvSPI[SpiID].IrqLine, 1);
  529. return ERROR_NONE;
  530. }
  531. return ERROR_NONE;
  532. }
  533. int32_t SPI_Transfer(uint8_t SpiID, const uint8_t *TxData, uint8_t *RxData, uint32_t Len, uint8_t UseDMA)
  534. {
  535. uint32_t SR;
  536. SPI_TypeDef *SPI;
  537. if (prvSPI[SpiID].IsBusy)
  538. {
  539. return -ERROR_DEVICE_BUSY;
  540. }
  541. prvSPI[SpiID].IsBusy = 1;
  542. uint32_t RxLevel, i, TxLen;
  543. Buffer_StaticInit(&prvSPI[SpiID].TxBuf, TxData, Len);
  544. Buffer_StaticInit(&prvSPI[SpiID].RxBuf, RxData, Len);
  545. switch(SpiID)
  546. {
  547. case HSPI_ID0:
  548. ISR_Clear(prvSPI[SpiID].IrqLine);
  549. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  550. return HSPI_Transfer(SpiID, UseDMA);
  551. case SPI_ID0:
  552. SYSCTRL->PHER_CTRL &= ~SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  553. case SPI_ID1:
  554. case SPI_ID2:
  555. break;
  556. // case SPI_ID3:
  557. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  558. // break;
  559. default:
  560. return -ERROR_ID_INVALID;
  561. }
  562. PM_SetHardwareRunFlag(PM_HW_SPI_0 + SpiID - 1, 1);
  563. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  564. SPI->SER = 0;
  565. if (UseDMA)
  566. {
  567. SR = SPI->ICR;
  568. SPI->IMR = 0;
  569. SPI->DMACR = SPI_DMACR_RDMAE|SPI_DMACR_TDMAE;
  570. ISR_Clear(prvSPI[SpiID].IrqLine);
  571. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  572. SPI->SER = 1;
  573. SPI_DMATransfer(SpiID, 1);
  574. }
  575. else
  576. {
  577. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  578. if (prvSPI[SpiID].RxBuf.MaxLen <= SPIM_FIFO_RX_NUM)
  579. {
  580. SPI->RXFTLR = prvSPI[SpiID].RxBuf.MaxLen - 1;
  581. TxLen = prvSPI[SpiID].RxBuf.MaxLen;
  582. SPI->IMR = SPI_IMR_RXOIM|SPI_IMR_RXFIM;
  583. }
  584. else
  585. {
  586. SPI->IMR = SPI_IMR_TXEIM;
  587. SPI->RXFTLR = SPIM_FIFO_RX_LEVEL;
  588. SPI->TXFTLR = SPIM_FIFO_TX_LEVEL;
  589. TxLen = SPIM_FIFO_TX_NUM;
  590. }
  591. for(i = 0; i < TxLen; i++)
  592. {
  593. SPI->DR = prvSPI[SpiID].TxBuf.Data[i];
  594. }
  595. prvSPI[SpiID].TxBuf.Pos += TxLen;
  596. ISR_Clear(prvSPI[SpiID].IrqLine);
  597. ISR_OnOff(prvSPI[SpiID].IrqLine, 1);
  598. }
  599. SPI->SER = 1;
  600. return ERROR_NONE;
  601. }
  602. static int32_t prvSPI_BlockTransfer(uint8_t SpiID, const uint8_t *TxData, uint8_t *RxData, uint32_t Len)
  603. {
  604. volatile uint32_t DummyData;
  605. uint32_t TxLen, RxLen, i, To;
  606. HSPIM_TypeDef *HSPI;
  607. SPI_TypeDef *SPI;
  608. prvSPI[SpiID].IsBusy = 1;
  609. switch(SpiID)
  610. {
  611. case HSPI_ID0:
  612. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  613. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  614. HSPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(32 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  615. HSPI->FCR &= ~(3 << 6);
  616. HSPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  617. if (Len <= HSPIM_FIFO_TX_NUM)
  618. {
  619. TxLen = Len;
  620. }
  621. else
  622. {
  623. TxLen = HSPIM_FIFO_TX_NUM;
  624. }
  625. for(i = 0; i < TxLen; i++)
  626. {
  627. HSPI->WDR = TxData[i];
  628. }
  629. if (RxData)
  630. {
  631. for(RxLen = 0; RxLen < Len; RxLen++)
  632. {
  633. while (HSPI->SR & HSPIM_SR_POP_EMPTY_RX)
  634. {
  635. ;
  636. }
  637. RxData[RxLen] = HSPI->RDR;
  638. if (TxLen < Len)
  639. {
  640. HSPI->WDR = TxData[TxLen];
  641. TxLen++;
  642. }
  643. }
  644. }
  645. else
  646. {
  647. while(TxLen < Len)
  648. {
  649. while ((HSPI->FSR & 0x7f) > 16)
  650. {
  651. ;
  652. }
  653. HSPI->WDR = TxData[TxLen];
  654. TxLen++;
  655. }
  656. while ((HSPI->FSR & 0x7f))
  657. {
  658. ;
  659. }
  660. // for(RxLen = 0; RxLen < Len; RxLen++)
  661. // {
  662. // while (HSPI->SR & HSPIM_SR_POP_EMPTY_RX)
  663. // {
  664. // ;
  665. // }
  666. // DummyData = HSPI->RDR;
  667. // if (TxLen < Len)
  668. // {
  669. // HSPI->WDR = TxData[TxLen];
  670. // TxLen++;
  671. // }
  672. // }
  673. }
  674. break;
  675. case SPI_ID0:
  676. case SPI_ID1:
  677. case SPI_ID2:
  678. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  679. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  680. SPI->SER = 0;
  681. if (Len <= SPIM_FIFO_TX_NUM)
  682. {
  683. TxLen = Len;
  684. }
  685. else
  686. {
  687. TxLen = SPIM_FIFO_TX_NUM;
  688. }
  689. for(i = 0; i < TxLen; i++)
  690. {
  691. SPI->DR = TxData[i];
  692. }
  693. SPI->SER = 1;
  694. if (RxData)
  695. {
  696. for(RxLen = 0; RxLen < Len; RxLen++)
  697. {
  698. while (!SPI->RXFLR)
  699. {
  700. ;
  701. }
  702. RxData[RxLen] = SPI->DR;
  703. if (TxLen < Len)
  704. {
  705. SPI->DR = TxData[TxLen];
  706. TxLen++;
  707. }
  708. }
  709. }
  710. else
  711. {
  712. for(RxLen = 0; RxLen < Len; RxLen++)
  713. {
  714. while (!SPI->RXFLR)
  715. {
  716. ;
  717. }
  718. DummyData = SPI->DR;
  719. if (TxLen < Len)
  720. {
  721. SPI->DR = TxData[TxLen];
  722. TxLen++;
  723. }
  724. }
  725. }
  726. SPI->SER = 0;
  727. break;
  728. }
  729. prvSPI[SpiID].IsBusy = 0;
  730. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  731. return 0;
  732. }
  733. int32_t SPI_BlockTransfer(uint8_t SpiID, const uint8_t *TxData, uint8_t *RxData, uint32_t Len)
  734. {
  735. #ifdef __BUILD_OS__
  736. //if ( OS_CheckInIrq() || ((prvSPI[SpiID].Speed >> 3) >= (Len * 50000 * ((SpiID==HSPI_ID0)?2:1))))
  737. if ( OS_CheckInIrq() || (Len <= prvSPI[SpiID].UseDMAValue))
  738. {
  739. prvSPI[SpiID].IsBlockMode = 0;
  740. #endif
  741. return prvSPI_BlockTransfer(SpiID, TxData, RxData, Len);
  742. #ifdef __BUILD_OS__
  743. }
  744. int32_t Result;
  745. uint8_t DMAMode;
  746. uint32_t Time = (Len * 1000) / (prvSPI[SpiID].Speed >> 3) + prvSPI[SpiID].timeout + 100;
  747. prvSPI[SpiID].IsBlockMode = 1;
  748. if ( (prvSPI[SpiID].DMARxStream == 0xff) || (prvSPI[SpiID].DMATxStream == 0xff) )
  749. {
  750. DMAMode = 0;
  751. }
  752. else
  753. {
  754. DMAMode = 1;
  755. }
  756. if (TxData)
  757. {
  758. Result = SPI_Transfer(SpiID, TxData, RxData, Len, DMAMode);
  759. }
  760. else
  761. {
  762. Result = SPI_Transfer(SpiID, RxData, RxData, Len, DMAMode);
  763. }
  764. if (Result)
  765. {
  766. prvSPI[SpiID].IsBlockMode = 0;
  767. DBG("!");
  768. return Result;
  769. }
  770. if (OS_MutexLockWtihTime(prvSPI[SpiID].Sem, Time))
  771. {
  772. DBG("spi id %d timeout",SpiID);
  773. SPI_TransferStop(SpiID);
  774. prvSPI[SpiID].IsBlockMode = 0;
  775. return -1;
  776. }
  777. prvSPI[SpiID].IsBlockMode = 0;
  778. return 0;
  779. #endif
  780. }
  781. static int32_t prvSPI_FlashBlockTransfer(uint8_t SpiID, const uint8_t *TxData, uint32_t WLen, uint8_t *RxData, uint32_t RLen)
  782. {
  783. volatile uint32_t DummyData;
  784. uint32_t TxLen, RxLen, i;
  785. HSPIM_TypeDef *HSPI;
  786. SPI_TypeDef *SPI;
  787. prvSPI[SpiID].IsBusy = 1;
  788. switch(SpiID)
  789. {
  790. case HSPI_ID0:
  791. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  792. HSPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(32 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  793. HSPI->FCR &= ~(3 << 6);
  794. HSPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  795. if (WLen <= HSPIM_FIFO_TX_NUM)
  796. {
  797. TxLen = WLen;
  798. }
  799. else
  800. {
  801. TxLen = HSPIM_FIFO_TX_NUM;
  802. }
  803. for(i = 0; i < TxLen; i++)
  804. {
  805. HSPI->WDR = TxData[i];
  806. }
  807. for(RxLen = 0; RxLen < WLen; RxLen++)
  808. {
  809. while (HSPI->SR & HSPIM_SR_POP_EMPTY_RX)
  810. {
  811. ;
  812. }
  813. DummyData = HSPI->RDR;
  814. if (TxLen < WLen)
  815. {
  816. HSPI->WDR = TxData[TxLen];
  817. TxLen++;
  818. }
  819. }
  820. if (RLen <= HSPIM_FIFO_TX_NUM)
  821. {
  822. TxLen = RLen;
  823. }
  824. else
  825. {
  826. TxLen = HSPIM_FIFO_TX_NUM;
  827. }
  828. for(i = 0; i < TxLen; i++)
  829. {
  830. HSPI->WDR = TxData[i];
  831. }
  832. for(RxLen = 0; RxLen < RLen; RxLen++)
  833. {
  834. while (HSPI->SR & HSPIM_SR_POP_EMPTY_RX)
  835. {
  836. ;
  837. }
  838. RxData[RxLen] = HSPI->RDR;
  839. if (TxLen < RLen)
  840. {
  841. HSPI->WDR = 0xff;
  842. TxLen++;
  843. }
  844. }
  845. break;
  846. case SPI_ID0:
  847. case SPI_ID1:
  848. case SPI_ID2:
  849. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  850. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  851. SPI->SER = 0;
  852. if (WLen <= SPIM_FIFO_TX_NUM)
  853. {
  854. TxLen = WLen;
  855. }
  856. else
  857. {
  858. TxLen = SPIM_FIFO_TX_NUM;
  859. }
  860. for(i = 0; i < TxLen; i++)
  861. {
  862. SPI->DR = TxData[i];
  863. }
  864. SPI->SER = 1;
  865. for(RxLen = 0; RxLen < WLen; RxLen++)
  866. {
  867. while (!SPI->RXFLR)
  868. {
  869. ;
  870. }
  871. DummyData = SPI->DR;
  872. if (TxLen < WLen)
  873. {
  874. SPI->DR = TxData[TxLen];
  875. TxLen++;
  876. }
  877. }
  878. if (RLen <= SPIM_FIFO_TX_NUM)
  879. {
  880. TxLen = RLen;
  881. }
  882. else
  883. {
  884. TxLen = SPIM_FIFO_TX_NUM;
  885. }
  886. for(i = 0; i < TxLen; i++)
  887. {
  888. SPI->DR = TxData[i];
  889. }
  890. for(RxLen = 0; RxLen < RLen; RxLen++)
  891. {
  892. while (!SPI->RXFLR)
  893. {
  894. ;
  895. }
  896. RxData[RxLen] = SPI->DR;
  897. if (TxLen < RLen)
  898. {
  899. SPI->DR = 0xff;
  900. TxLen++;
  901. }
  902. }
  903. SPI->SER = 0;
  904. break;
  905. }
  906. prvSPI[SpiID].IsBusy = 0;
  907. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  908. return 0;
  909. }
  910. int32_t SPI_FlashBlockTransfer(uint8_t SpiID, const uint8_t *TxData, uint32_t WLen, uint8_t *RxData, uint32_t RLen)
  911. {
  912. #ifdef __BUILD_OS__
  913. // if ( OS_CheckInIrq() || ((prvSPI[SpiID].Speed >> 3) >= ((WLen + RLen) * 50000 * ((SpiID==HSPI_ID0)?2:1) )))
  914. if ( OS_CheckInIrq() || ((WLen + RLen) <= prvSPI[SpiID].UseDMAValue))
  915. {
  916. prvSPI[SpiID].IsBlockMode = 0;
  917. #endif
  918. return prvSPI_FlashBlockTransfer(SpiID, TxData, WLen, RxData, RLen);
  919. #ifdef __BUILD_OS__
  920. }
  921. int32_t Result;
  922. uint8_t DMAMode;
  923. uint32_t Time = ((WLen + RLen) * 1000) / (prvSPI[SpiID].Speed >> 3) + prvSPI[SpiID].timeout + 100;
  924. uint8_t *Temp = malloc(WLen + RLen);
  925. if (TxData)
  926. {
  927. memcpy(Temp, TxData, WLen);
  928. }
  929. prvSPI[SpiID].IsBlockMode = 1;
  930. if ( (prvSPI[SpiID].DMARxStream == 0xff) || (prvSPI[SpiID].DMATxStream == 0xff) )
  931. {
  932. DMAMode = 0;
  933. }
  934. else
  935. {
  936. DMAMode = 1;
  937. }
  938. Result = SPI_Transfer(SpiID, Temp, Temp, WLen + RLen, DMAMode);
  939. if (Result)
  940. {
  941. prvSPI[SpiID].IsBlockMode = 0;
  942. free(Temp);
  943. return Result;
  944. }
  945. if (OS_MutexLockWtihTime(prvSPI[SpiID].Sem, Time))
  946. {
  947. free(Temp);
  948. DBG("!!!");
  949. SPI_TransferStop(SpiID);
  950. prvSPI[SpiID].IsBlockMode = 0;
  951. return -1;
  952. }
  953. memcpy(RxData, Temp + WLen, RLen);
  954. prvSPI[SpiID].IsBlockMode = 0;
  955. free(Temp);
  956. return 0;
  957. #endif
  958. }
  959. void SPI_DMATxInit(uint8_t SpiID, uint8_t Stream, uint32_t Channel)
  960. {
  961. SPI_TypeDef *SPI;
  962. HSPIM_TypeDef *HSPI;
  963. DMA_InitTypeDef DMA_InitStruct;
  964. DMA_BaseConfig(&DMA_InitStruct);
  965. DMA_InitStruct.DMA_Peripheral = prvSPI[SpiID].DMATxChannel;
  966. DMA_InitStruct.DMA_Priority = DMA_Priority_3;
  967. prvSPI[SpiID].DMATxStream = Stream;
  968. switch(SpiID)
  969. {
  970. case HSPI_ID0:
  971. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  972. if (prvSPI[SpiID].IsOnlyTx)
  973. {
  974. DMA_InitStruct.DMA_Priority = DMA_Priority_0;
  975. }
  976. DMA_InitStruct.DMA_PeripheralBurstSize = DMA_BurstSize_32;
  977. DMA_InitStruct.DMA_MemoryBurstSize = DMA_BurstSize_32;
  978. DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&HSPI->WDR;
  979. break;
  980. case SPI_ID0:
  981. case SPI_ID1:
  982. case SPI_ID2:
  983. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  984. DMA_InitStruct.DMA_PeripheralBurstSize = DMA_BurstSize_8;
  985. DMA_InitStruct.DMA_MemoryBurstSize = DMA_BurstSize_8;
  986. DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&SPI->DR;
  987. break;
  988. // case SPI_ID3:
  989. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  990. // break;
  991. default:
  992. return;
  993. }
  994. DMA_ConfigStream(Stream, &DMA_InitStruct);
  995. }
  996. void SPI_DMARxInit(uint8_t SpiID, uint8_t Stream, uint32_t Channel)
  997. {
  998. SPI_TypeDef *SPI;
  999. HSPIM_TypeDef *HSPI;
  1000. DMA_InitTypeDef DMA_InitStruct;
  1001. DMA_BaseConfig(&DMA_InitStruct);
  1002. DMA_InitStruct.DMA_Peripheral = prvSPI[SpiID].DMARxChannel;
  1003. DMA_InitStruct.DMA_Priority = DMA_Priority_2;
  1004. prvSPI[SpiID].DMARxStream = Stream;
  1005. switch(SpiID)
  1006. {
  1007. case HSPI_ID0:
  1008. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  1009. DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&HSPI->RDR;
  1010. break;
  1011. case SPI_ID0:
  1012. case SPI_ID1:
  1013. case SPI_ID2:
  1014. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  1015. DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&SPI->DR;
  1016. break;
  1017. // case SPI_ID3:
  1018. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  1019. // break;
  1020. default:
  1021. return;
  1022. }
  1023. DMA_ConfigStream(Stream, &DMA_InitStruct);
  1024. }
  1025. void SPI_TransferStop(uint8_t SpiID)
  1026. {
  1027. uint16_t Data;
  1028. ISR_Clear(prvSPI[SpiID].IrqLine);
  1029. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  1030. SPI_TypeDef *SPI;
  1031. HSPIM_TypeDef *HSPI;
  1032. uint32_t TxLen, i;
  1033. DMA_StopStream(prvSPI[SpiID].DMATxStream);
  1034. DMA_StopStream(prvSPI[SpiID].DMARxStream);
  1035. switch(SpiID)
  1036. {
  1037. case HSPI_ID0:
  1038. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  1039. HSPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  1040. HSPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(32 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  1041. HSPI->FCR &= ~(3 << 6);
  1042. PM_SetHardwareRunFlag(PM_HW_HSPI, 0);
  1043. break;
  1044. case SPI_ID0:
  1045. SYSCTRL->PHER_CTRL &= ~SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  1046. case SPI_ID1:
  1047. case SPI_ID2:
  1048. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  1049. while(SPI->TXFLR){;}
  1050. while(SPI->RXFLR){Data = SPI->DR;}
  1051. SPI->SER = 0;
  1052. break;
  1053. // case SPI_ID3:
  1054. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  1055. // break;
  1056. default:
  1057. return ;
  1058. }
  1059. PM_SetHardwareRunFlag(PM_HW_SPI_0 + SpiID - 1, 0);
  1060. prvSPI[SpiID].IsBusy = 0;
  1061. }
  1062. uint8_t SPI_IsTransferBusy(uint8_t SpiID)
  1063. {
  1064. return prvSPI[SpiID].IsBusy;
  1065. }
  1066. void SPI_SetNewConfig(uint8_t SpiID, uint32_t Speed, uint8_t NewMode)
  1067. {
  1068. HSPIM_TypeDef *HSPI;
  1069. SPI_TypeDef *SPI;
  1070. uint32_t div;
  1071. if (prvSPI[SpiID].IsBusy) return;
  1072. if (NewMode == 0xff) {NewMode = prvSPI[SpiID].SpiMode;}
  1073. if ((prvSPI[SpiID].TargetSpeed == Speed) && (prvSPI[SpiID].SpiMode == NewMode))
  1074. {
  1075. return;
  1076. }
  1077. // DBG("speed %u->%u mode %u->%u", prvSPI[SpiID].TargetSpeed, Speed, prvSPI[SpiID].SpiMode, NewMode);
  1078. prvSPI[SpiID].TargetSpeed = Speed;
  1079. prvSPI[SpiID].SpiMode = NewMode;
  1080. switch(SpiID)
  1081. {
  1082. case HSPI_ID0:
  1083. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  1084. div = (SystemCoreClock / Speed) >> 1;
  1085. HSPI->CR1 = (div << HSPIM_CR1_PARAM_BAUDRATE_POS);
  1086. prvSPI[SpiID].Speed = (SystemCoreClock >> 1) / div;
  1087. HSPI->CR0 &= ~((1 << HSPIM_CR0_PARAM_CPOL_POS)|(1 << HSPIM_CR0_PARAM_CPHA_POS));
  1088. switch(NewMode)
  1089. {
  1090. case SPI_MODE_0:
  1091. break;
  1092. case SPI_MODE_1:
  1093. HSPI->CR0 |= (1 << HSPIM_CR0_PARAM_CPHA_POS);
  1094. break;
  1095. case SPI_MODE_2:
  1096. HSPI->CR0 |= (1 << HSPIM_CR0_PARAM_CPOL_POS);
  1097. break;
  1098. case SPI_MODE_3:
  1099. HSPI->CR0 |= (1 << HSPIM_CR0_PARAM_CPOL_POS)|(1 << HSPIM_CR0_PARAM_CPHA_POS);
  1100. break;
  1101. }
  1102. break;
  1103. case SPI_ID0:
  1104. case SPI_ID1:
  1105. case SPI_ID2:
  1106. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  1107. SPI->SSIENR = 0;
  1108. div = (SystemCoreClock >> 2) / Speed;
  1109. if (!div) div = 2;
  1110. if (div % 2) div++;
  1111. prvSPI[SpiID].Speed = (SystemCoreClock >> 2) / div;
  1112. SPI->BAUDR = div;
  1113. SPI->CTRLR0 &= ~(SPI_CTRLR0_SCPOL|SPI_CTRLR0_SCPH);
  1114. switch(NewMode)
  1115. {
  1116. case SPI_MODE_0:
  1117. break;
  1118. case SPI_MODE_1:
  1119. SPI->CTRLR0 |= SPI_CTRLR0_SCPH;
  1120. break;
  1121. case SPI_MODE_2:
  1122. SPI->CTRLR0 |= SPI_CTRLR0_SCPOL;
  1123. break;
  1124. case SPI_MODE_3:
  1125. SPI->CTRLR0 |= SPI_CTRLR0_SCPOL|SPI_CTRLR0_SCPH;
  1126. break;
  1127. }
  1128. SPI->SSIENR = 1;
  1129. break;
  1130. }
  1131. prvSPI[SpiID].UseDMAValue = (prvSPI[SpiID].Speed >> 3) / USE_DMA_MIN_FRQ;
  1132. }