core_spi.c 29 KB

12345678910111213141516171819202122232425262728293031323334353637383940414243444546474849505152535455565758596061626364656667686970717273747576777879808182838485868788899091929394959697989910010110210310410510610710810911011111211311411511611711811912012112212312412512612712812913013113213313413513613713813914014114214314414514614714814915015115215315415515615715815916016116216316416516616716816917017117217317417517617717817918018118218318418518618718818919019119219319419519619719819920020120220320420520620720820921021121221321421521621721821922022122222322422522622722822923023123223323423523623723823924024124224324424524624724824925025125225325425525625725825926026126226326426526626726826927027127227327427527627727827928028128228328428528628728828929029129229329429529629729829930030130230330430530630730830931031131231331431531631731831932032132232332432532632732832933033133233333433533633733833934034134234334434534634734834935035135235335435535635735835936036136236336436536636736836937037137237337437537637737837938038138238338438538638738838939039139239339439539639739839940040140240340440540640740840941041141241341441541641741841942042142242342442542642742842943043143243343443543643743843944044144244344444544644744844945045145245345445545645745845946046146246346446546646746846947047147247347447547647747847948048148248348448548648748848949049149249349449549649749849950050150250350450550650750850951051151251351451551651751851952052152252352452552652752852953053153253353453553653753853954054154254354454554654754854955055155255355455555655755855956056156256356456556656756856957057157257357457557657757857958058158258358458558658758858959059159259359459559659759859960060160260360460560660760860961061161261361461561661761861962062162262362462562662762862963063163263363463563663763863964064164264364464564664764864965065165265365465565665765865966066166266366466566666766866967067167267367467567667767867968068168268368468568668768868969069169269369469569669769869970070170270370470570670770870971071171271371471571671771871972072172272372472572672772872973073173273373473573673773873974074174274374474574674774874975075175275375475575675775875976076176276376476576676776876977077177277377477577677777877978078178278378478578678778878979079179279379479579679779879980080180280380480580680780880981081181281381481581681781881982082182282382482582682782882983083183283383483583683783883984084184284384484584684784884985085185285385485585685785885986086186286386486586686786886987087187287387487587687787887988088188288388488588688788888989089189289389489589689789889990090190290390490590690790890991091191291391491591691791891992092192292392492592692792892993093193293393493593693793893994094194294394494594694794894995095195295395495595695795895996096196296396496596696796896997097197297397497597697797897998098198298398498598698798898999099199299399499599699799899910001001100210031004100510061007100810091010101110121013101410151016101710181019102010211022102310241025102610271028102910301031103210331034103510361037103810391040104110421043104410451046104710481049105010511052105310541055105610571058105910601061106210631064106510661067106810691070107110721073107410751076107710781079108010811082108310841085108610871088108910901091109210931094109510961097109810991100110111021103110411051106110711081109111011111112111311141115111611171118111911201121112211231124112511261127112811291130113111321133113411351136113711381139114011411142114311441145114611471148114911501151115211531154115511561157115811591160116111621163116411651166116711681169117011711172117311741175117611771178117911801181118211831184118511861187118811891190119111921193119411951196119711981199120012011202120312041205120612071208120912101211121212131214
  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. uint8_t DMATxStream;
  70. uint8_t DMARxStream;
  71. uint8_t Is16Bit;
  72. uint8_t IsOnlyTx;
  73. uint8_t IsBusy;
  74. uint8_t IsBlockMode;
  75. uint8_t SpiMode;
  76. uint8_t timeout;
  77. }SPI_ResourceStruct;
  78. static SPI_ResourceStruct prvSPI[SPI_MAX] = {
  79. {
  80. HSPIM,
  81. SPI5_IRQn,
  82. SYSCTRL_PHER_CTRL_DMA_CHx_IF_HSPI_TX,
  83. SYSCTRL_PHER_CTRL_DMA_CHx_IF_HSPI_RX,
  84. },
  85. {
  86. SPIM0,
  87. SPI0_IRQn,
  88. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI0_TX,
  89. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI0_RX,
  90. },
  91. {
  92. SPIM1,
  93. SPI1_IRQn,
  94. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI1_TX,
  95. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI1_RX,
  96. },
  97. {
  98. SPIM2,
  99. SPI2_IRQn,
  100. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI2_TX,
  101. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI2_RX,
  102. },
  103. {
  104. SPIS0,
  105. SPI0_IRQn,
  106. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI0_TX,
  107. SYSCTRL_PHER_CTRL_DMA_CHx_IF_SPI0_RX,
  108. },
  109. };
  110. static void HSPI_IrqHandle(int32_t IrqLine, void *pData)
  111. {
  112. uint32_t SpiID = HSPI_ID0;
  113. uint32_t RxLevel, i, TxLen;
  114. HSPIM_TypeDef *SPI = HSPIM;
  115. volatile uint32_t DummyData;
  116. if (!prvSPI[SpiID].IsBusy)
  117. {
  118. ISR_Clear(prvSPI[SpiID].IrqLine);
  119. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  120. return;
  121. }
  122. if (prvSPI[SpiID].RxBuf.Data)
  123. {
  124. while (prvSPI[SpiID].RxBuf.Pos < prvSPI[SpiID].RxBuf.MaxLen)
  125. {
  126. if (SPI->SR & HSPIM_SR_POP_EMPTY_RX)
  127. {
  128. break;
  129. }
  130. else
  131. {
  132. prvSPI[SpiID].RxBuf.Data[prvSPI[SpiID].RxBuf.Pos] = SPI->RDR;
  133. prvSPI[SpiID].RxBuf.Pos++;
  134. }
  135. }
  136. }
  137. else
  138. {
  139. while (prvSPI[SpiID].RxBuf.Pos < prvSPI[SpiID].RxBuf.MaxLen)
  140. {
  141. if (SPI->SR & HSPIM_SR_POP_EMPTY_RX)
  142. {
  143. break;
  144. }
  145. else
  146. {
  147. DummyData = SPI->RDR;
  148. prvSPI[SpiID].RxBuf.Pos++;
  149. }
  150. }
  151. }
  152. if (prvSPI[SpiID].RxBuf.Pos >= prvSPI[SpiID].RxBuf.MaxLen)
  153. {
  154. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  155. prvSPI[SpiID].IsBusy = 0;
  156. ISR_Clear(prvSPI[SpiID].IrqLine);
  157. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  158. if ((prvSPI[SpiID].TxBuf.Pos != prvSPI[SpiID].RxBuf.Pos) || (prvSPI[SpiID].RxBuf.Pos != prvSPI[SpiID].RxBuf.MaxLen))
  159. {
  160. DBG("%u, %u", prvSPI[SpiID].TxBuf.Pos, prvSPI[SpiID].RxBuf.Pos);
  161. }
  162. #ifdef __BUILD_OS__
  163. if (prvSPI[SpiID].IsBlockMode)
  164. {
  165. prvSPI[SpiID].IsBlockMode = 0;
  166. OS_MutexRelease(prvSPI[SpiID].Sem);
  167. }
  168. #endif
  169. PM_SetHardwareRunFlag(PM_HW_HSPI, 0);
  170. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  171. return;
  172. }
  173. if (prvSPI[SpiID].TxBuf.Pos < prvSPI[SpiID].TxBuf.MaxLen)
  174. {
  175. i = 0;
  176. TxLen = (HSPIM_FIFO_TX_NUM - (SPI->FSR & 0x0000003f));
  177. if (TxLen > (prvSPI[SpiID].TxBuf.MaxLen -prvSPI[SpiID].TxBuf.Pos))
  178. {
  179. TxLen = prvSPI[SpiID].TxBuf.MaxLen - prvSPI[SpiID].TxBuf.Pos;
  180. }
  181. while((i < TxLen))
  182. {
  183. SPI->WDR = prvSPI[SpiID].TxBuf.Data[prvSPI[SpiID].TxBuf.Pos + i];
  184. i++;
  185. }
  186. prvSPI[SpiID].TxBuf.Pos += TxLen;
  187. if (prvSPI[SpiID].TxBuf.Pos >= prvSPI[SpiID].TxBuf.MaxLen)
  188. {
  189. SPI->FCR = (63 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(0 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(63);
  190. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  191. SPI->CR0 |= (5 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  192. }
  193. }
  194. else
  195. {
  196. SPI->FCR = (63 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(0 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(63);
  197. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  198. SPI->CR0 |= (5 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  199. }
  200. }
  201. static int32_t SPI_DMADoneCB(void *pData, void *pParam)
  202. {
  203. uint32_t SpiID = (uint32_t)pData;
  204. uint32_t RxLevel;
  205. if (prvSPI[SpiID].RxBuf.MaxLen > prvSPI[SpiID].RxBuf.Pos)
  206. {
  207. RxLevel = ((prvSPI[SpiID].RxBuf.MaxLen - prvSPI[SpiID].RxBuf.Pos) > 4080)?4000:(prvSPI[SpiID].RxBuf.MaxLen - prvSPI[SpiID].RxBuf.Pos);
  208. DMA_ClearStreamFlag(prvSPI[SpiID].DMATxStream);
  209. DMA_ClearStreamFlag(prvSPI[SpiID].DMARxStream);
  210. if (prvSPI[SpiID].IsOnlyTx)
  211. {
  212. DMA_ForceStartStream(prvSPI[SpiID].DMATxStream, &prvSPI[SpiID].TxBuf.Data[prvSPI[SpiID].TxBuf.Pos], RxLevel, SPI_DMADoneCB, (void *)SpiID, 1);
  213. // DMA_ForceStartStream(prvSPI[SpiID].DMARxStream, &prvSPI[SpiID].RxBuf.Data[prvSPI[SpiID].RxBuf.Pos], RxLevel, NULL, NULL, 0);
  214. }
  215. else
  216. {
  217. DMA_ForceStartStream(prvSPI[SpiID].DMATxStream, &prvSPI[SpiID].TxBuf.Data[prvSPI[SpiID].TxBuf.Pos], RxLevel, NULL, NULL, 0);
  218. DMA_ForceStartStream(prvSPI[SpiID].DMARxStream, &prvSPI[SpiID].RxBuf.Data[prvSPI[SpiID].RxBuf.Pos], RxLevel, SPI_DMADoneCB, (void *)SpiID, 1);
  219. }
  220. prvSPI[SpiID].RxBuf.Pos += RxLevel;
  221. prvSPI[SpiID].TxBuf.Pos += RxLevel;
  222. }
  223. else
  224. {
  225. prvSPI[SpiID].IsBusy = 0;
  226. if ((prvSPI[SpiID].TxBuf.Pos != prvSPI[SpiID].RxBuf.Pos) || (prvSPI[SpiID].RxBuf.Pos != prvSPI[SpiID].RxBuf.MaxLen))
  227. {
  228. DBG("%u, %u", prvSPI[SpiID].TxBuf.Pos, prvSPI[SpiID].RxBuf.Pos);
  229. }
  230. #ifdef __BUILD_OS__
  231. if (prvSPI[SpiID].IsBlockMode)
  232. {
  233. prvSPI[SpiID].IsBlockMode = 0;
  234. OS_MutexRelease(prvSPI[SpiID].Sem);
  235. }
  236. #endif
  237. if (SpiID)
  238. {
  239. PM_SetHardwareRunFlag(PM_HW_SPI_0 + SpiID - 1, 0);
  240. }
  241. else
  242. {
  243. PM_SetHardwareRunFlag(PM_HW_HSPI, 0);
  244. }
  245. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  246. }
  247. }
  248. static void SPI_IrqHandle(int32_t IrqLine, void *pData)
  249. {
  250. uint32_t SpiID = (uint32_t)pData;
  251. volatile uint32_t DummyData;
  252. uint32_t RxLevel, SR, i, TxLen;
  253. SPI_TypeDef *SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  254. if (!prvSPI[SpiID].IsBusy)
  255. {
  256. SR = SPI->ICR;
  257. SPI->IMR = 0;
  258. SPI->SER = 0;
  259. ISR_Clear(prvSPI[SpiID].IrqLine);
  260. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  261. return;
  262. }
  263. TxLen = SPIM_FIFO_TX_NUM - SPI->TXFLR;
  264. SR = SPI->ICR;
  265. if (prvSPI[SpiID].RxBuf.Data)
  266. {
  267. while(SPI->RXFLR)
  268. {
  269. prvSPI[SpiID].RxBuf.Data[prvSPI[SpiID].RxBuf.Pos] = SPI->DR;
  270. prvSPI[SpiID].RxBuf.Pos++;
  271. }
  272. }
  273. else
  274. {
  275. while(SPI->RXFLR)
  276. {
  277. DummyData = SPI->DR;
  278. prvSPI[SpiID].RxBuf.Pos++;
  279. }
  280. }
  281. if (prvSPI[SpiID].RxBuf.Pos >= prvSPI[SpiID].RxBuf.MaxLen)
  282. {
  283. SR = SPI->ICR;
  284. SPI->IMR = 0;
  285. SPI->SER = 0;
  286. prvSPI[SpiID].IsBusy = 0;
  287. ISR_Clear(prvSPI[SpiID].IrqLine);
  288. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  289. if (prvSPI[SpiID].TxBuf.Pos != prvSPI[SpiID].RxBuf.Pos)
  290. {
  291. DBG("%u, %u", prvSPI[SpiID].TxBuf.Pos, prvSPI[SpiID].RxBuf.Pos);
  292. }
  293. #ifdef __BUILD_OS__
  294. if (prvSPI[SpiID].IsBlockMode)
  295. {
  296. prvSPI[SpiID].IsBlockMode = 0;
  297. OS_MutexRelease(prvSPI[SpiID].Sem);
  298. }
  299. #endif
  300. PM_SetHardwareRunFlag(PM_HW_SPI_0 + SpiID - 1, 0);
  301. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  302. return;
  303. }
  304. if (prvSPI[SpiID].TxBuf.Pos < prvSPI[SpiID].TxBuf.MaxLen)
  305. {
  306. i = 0;
  307. if (TxLen > (prvSPI[SpiID].TxBuf.MaxLen -prvSPI[SpiID].TxBuf.Pos))
  308. {
  309. TxLen = prvSPI[SpiID].TxBuf.MaxLen - prvSPI[SpiID].TxBuf.Pos;
  310. }
  311. while((i < TxLen))
  312. {
  313. SPI->DR = prvSPI[SpiID].TxBuf.Data[prvSPI[SpiID].TxBuf.Pos + i];
  314. i++;
  315. }
  316. prvSPI[SpiID].TxBuf.Pos += i;
  317. }
  318. else
  319. {
  320. if ((prvSPI[SpiID].RxBuf.MaxLen - prvSPI[SpiID].RxBuf.Pos) >= SPIM_FIFO_RX_NUM)
  321. {
  322. SPI->RXFTLR = (SPIM_FIFO_RX_NUM - 1);
  323. }
  324. else
  325. {
  326. SPI->RXFTLR = prvSPI[SpiID].RxBuf.MaxLen - prvSPI[SpiID].RxBuf.Pos - 1;
  327. }
  328. SPI->IMR = SPI_IMR_RXOIM|SPI_IMR_RXFIM;
  329. }
  330. }
  331. static int32_t SPI_DummyCB(void *pData, void *pParam)
  332. {
  333. return 0;
  334. }
  335. static void HSPI_MasterInit(uint8_t SpiID, uint8_t Mode, uint32_t Speed)
  336. {
  337. HSPIM_TypeDef *SPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  338. uint32_t div = (SystemCoreClock / Speed) >> 1;
  339. uint32_t ctrl = (1 << 24) | (1 << 10) | (1 << 2) | (1 << 1);
  340. switch(Mode)
  341. {
  342. case SPI_MODE_0:
  343. break;
  344. case SPI_MODE_1:
  345. ctrl |= (1 << HSPIM_CR0_PARAM_CPHA_POS);
  346. break;
  347. case SPI_MODE_2:
  348. ctrl |= (1 << HSPIM_CR0_PARAM_CPOL_POS);
  349. break;
  350. case SPI_MODE_3:
  351. ctrl |= (1 << HSPIM_CR0_PARAM_CPOL_POS)|(1 << HSPIM_CR0_PARAM_CPHA_POS);
  352. break;
  353. }
  354. SPI->CR1 = (div << HSPIM_CR1_PARAM_BAUDRATE_POS);
  355. SPI->CR0 = ctrl;
  356. SPI->DCR = 30|(1 << 7);
  357. prvSPI[SpiID].Speed = (SystemCoreClock >> 1) / div;
  358. ISR_SetHandler(prvSPI[SpiID].IrqLine, HSPI_IrqHandle, (uint32_t)SpiID);
  359. #ifdef __BUILD_OS__
  360. ISR_SetPriority(prvSPI[SpiID].IrqLine, IRQ_MAX_PRIORITY + 1);
  361. #else
  362. ISR_SetPriority(prvSPI[SpiID].IrqLine, 3);
  363. #endif
  364. ISR_Clear(prvSPI[SpiID].IrqLine);
  365. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  366. }
  367. void SPI_MasterInit(uint8_t SpiID, uint8_t DataBit, uint8_t Mode, uint32_t Speed, CBFuncEx_t CB, void *pUserData)
  368. {
  369. SPI_TypeDef *SPI;
  370. uint32_t ctrl;
  371. uint32_t div;
  372. prvSPI[SpiID].SpiMode = Mode;
  373. prvSPI[SpiID].TargetSpeed = Speed;
  374. switch(SpiID)
  375. {
  376. case HSPI_ID0:
  377. HSPI_MasterInit(SpiID, Mode, Speed);
  378. break;
  379. case SPI_ID0:
  380. SYSCTRL->PHER_CTRL &= ~SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  381. case SPI_ID1:
  382. case SPI_ID2:
  383. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  384. SPI->SSIENR = 0;
  385. SPI->SER = 0;
  386. SPI->IMR = 0;
  387. SPI->DMACR = 0;
  388. ctrl = DataBit - 1;
  389. switch(Mode)
  390. {
  391. case SPI_MODE_0:
  392. break;
  393. case SPI_MODE_1:
  394. ctrl |= SPI_CTRLR0_SCPH;
  395. break;
  396. case SPI_MODE_2:
  397. ctrl |= SPI_CTRLR0_SCPOL;
  398. break;
  399. case SPI_MODE_3:
  400. ctrl |= SPI_CTRLR0_SCPOL|SPI_CTRLR0_SCPH;
  401. break;
  402. }
  403. div = (SystemCoreClock >> 2) / Speed;
  404. if (!div) div = 2;
  405. if (div % 2) div++;
  406. prvSPI[SpiID].Speed = (SystemCoreClock >> 2) / div;
  407. SPI->CTRLR0 = ctrl;
  408. SPI->BAUDR = div;
  409. SPI->TXFTLR = 0;
  410. SPI->RXFTLR = 0;
  411. SPI->DMATDLR = 7;
  412. SPI->DMARDLR = 0;
  413. ISR_SetHandler(prvSPI[SpiID].IrqLine, SPI_IrqHandle, (uint32_t)SpiID);
  414. #ifdef __BUILD_OS__
  415. ISR_SetPriority(prvSPI[SpiID].IrqLine, IRQ_LOWEST_PRIORITY - 2);
  416. #else
  417. ISR_SetPriority(prvSPI[SpiID].IrqLine, 5);
  418. #endif
  419. ISR_Clear(prvSPI[SpiID].IrqLine);
  420. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  421. SPI->SSIENR = 1;
  422. break;
  423. // case SPI_ID3:
  424. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  425. // break;
  426. default:
  427. return;
  428. }
  429. prvSPI[SpiID].DMATxStream = 0xff;
  430. prvSPI[SpiID].DMARxStream = 0xff;
  431. if (CB)
  432. {
  433. prvSPI[SpiID].Callback = CB;
  434. }
  435. else
  436. {
  437. prvSPI[SpiID].Callback = SPI_DummyCB;
  438. }
  439. prvSPI[SpiID].pParam = pUserData;
  440. #ifdef __BUILD_OS__
  441. if (!prvSPI[SpiID].Sem)
  442. {
  443. prvSPI[SpiID].Sem = OS_MutexCreate();
  444. }
  445. #endif
  446. }
  447. void SPI_SetTxOnlyFlag(uint8_t SpiID, uint8_t OnOff)
  448. {
  449. prvSPI[SpiID].IsOnlyTx = OnOff;
  450. }
  451. void SPI_SetCallbackFun(uint8_t SpiID, CBFuncEx_t CB, void *pUserData)
  452. {
  453. if (CB)
  454. {
  455. prvSPI[SpiID].Callback = CB;
  456. }
  457. else
  458. {
  459. prvSPI[SpiID].Callback = SPI_DummyCB;
  460. }
  461. prvSPI[SpiID].pParam = pUserData;
  462. }
  463. void SPI_SetNoBlock(uint8_t SpiID)
  464. {
  465. prvSPI[SpiID].IsBlockMode = 1;
  466. }
  467. static void SPI_DMATransfer(uint8_t SpiID, uint8_t UseDMA)
  468. {
  469. uint32_t RxLevel;
  470. RxLevel = (prvSPI[SpiID].RxBuf.MaxLen > 4080)?4000:prvSPI[SpiID].RxBuf.MaxLen;
  471. prvSPI[SpiID].RxBuf.Pos += RxLevel;
  472. prvSPI[SpiID].TxBuf.Pos += RxLevel;
  473. DMA_StopStream(prvSPI[SpiID].DMATxStream);
  474. DMA_StopStream(prvSPI[SpiID].DMARxStream);
  475. if (prvSPI[SpiID].IsOnlyTx)
  476. {
  477. DMA_ForceStartStream(prvSPI[SpiID].DMATxStream, prvSPI[SpiID].TxBuf.Data, RxLevel, SPI_DMADoneCB, (void *)SpiID, 1);
  478. // DMA_ForceStartStream(prvSPI[SpiID].DMARxStream, prvSPI[SpiID].RxBuf.Data, RxLevel, NULL, NULL, 0);
  479. }
  480. else
  481. {
  482. DMA_ForceStartStream(prvSPI[SpiID].DMATxStream, prvSPI[SpiID].TxBuf.Data, RxLevel, NULL, NULL, 0);
  483. DMA_ForceStartStream(prvSPI[SpiID].DMARxStream, prvSPI[SpiID].RxBuf.Data, RxLevel, SPI_DMADoneCB, (void *)SpiID, 1);
  484. }
  485. }
  486. static int32_t HSPI_Transfer(uint8_t SpiID, uint8_t UseDMA)
  487. {
  488. HSPIM_TypeDef *SPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  489. uint32_t TxLen, i;
  490. PM_SetHardwareRunFlag(PM_HW_HSPI, 1);
  491. if (UseDMA)
  492. {
  493. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  494. SPI->CR0 |= (1 << HSPIM_CR0_PARAM_DMA_TRANSMIT_ENABLE_POS)|(1 << HSPIM_CR0_PARAM_DMA_RECEIVE_ENABLE_POS);
  495. SPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(0 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  496. SPI->FCR &= ~(3 << 6);
  497. SPI_DMATransfer(SpiID, UseDMA);
  498. }
  499. else
  500. {
  501. SPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  502. // SPI->CR0 &= ~(1 << 10);
  503. SPI->CR0 &= ~((1 << HSPIM_CR0_PARAM_DMA_TRANSMIT_ENABLE_POS)|(1 << HSPIM_CR0_PARAM_DMA_RECEIVE_ENABLE_POS));
  504. if (prvSPI[SpiID].TxBuf.MaxLen <= HSPIM_FIFO_TX_NUM)
  505. {
  506. TxLen = prvSPI[SpiID].TxBuf.MaxLen;
  507. SPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|((TxLen - 1) << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  508. SPI->CR0 |= (5 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  509. }
  510. else
  511. {
  512. TxLen = HSPIM_FIFO_TX_NUM;
  513. SPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(63 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  514. SPI->CR0 |= (3 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  515. }
  516. SPI->FCR &= ~(3 << 6);
  517. for(i = 0; i < TxLen; i++)
  518. {
  519. SPI->WDR = prvSPI[SpiID].TxBuf.Data[i];
  520. }
  521. prvSPI[SpiID].TxBuf.Pos += TxLen;
  522. // SPI->CR0 |= (1 << 10);
  523. ISR_Clear(prvSPI[SpiID].IrqLine);
  524. ISR_OnOff(prvSPI[SpiID].IrqLine, 1);
  525. return ERROR_NONE;
  526. }
  527. return ERROR_NONE;
  528. }
  529. int32_t SPI_Transfer(uint8_t SpiID, const uint8_t *TxData, uint8_t *RxData, uint32_t Len, uint8_t UseDMA)
  530. {
  531. uint32_t SR;
  532. SPI_TypeDef *SPI;
  533. if (prvSPI[SpiID].IsBusy)
  534. {
  535. return -ERROR_DEVICE_BUSY;
  536. }
  537. prvSPI[SpiID].IsBusy = 1;
  538. uint32_t RxLevel, i, TxLen;
  539. Buffer_StaticInit(&prvSPI[SpiID].TxBuf, TxData, Len);
  540. Buffer_StaticInit(&prvSPI[SpiID].RxBuf, RxData, Len);
  541. switch(SpiID)
  542. {
  543. case HSPI_ID0:
  544. ISR_Clear(prvSPI[SpiID].IrqLine);
  545. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  546. return HSPI_Transfer(SpiID, UseDMA);
  547. case SPI_ID0:
  548. SYSCTRL->PHER_CTRL &= ~SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  549. case SPI_ID1:
  550. case SPI_ID2:
  551. break;
  552. // case SPI_ID3:
  553. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  554. // break;
  555. default:
  556. return -ERROR_ID_INVALID;
  557. }
  558. PM_SetHardwareRunFlag(PM_HW_SPI_0 + SpiID - 1, 1);
  559. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  560. SPI->SER = 0;
  561. if (UseDMA)
  562. {
  563. SR = SPI->ICR;
  564. SPI->IMR = 0;
  565. SPI->DMACR = SPI_DMACR_RDMAE|SPI_DMACR_TDMAE;
  566. ISR_Clear(prvSPI[SpiID].IrqLine);
  567. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  568. SPI->SER = 1;
  569. SPI_DMATransfer(SpiID, 1);
  570. }
  571. else
  572. {
  573. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  574. if (prvSPI[SpiID].RxBuf.MaxLen <= SPIM_FIFO_RX_NUM)
  575. {
  576. SPI->RXFTLR = prvSPI[SpiID].RxBuf.MaxLen - 1;
  577. TxLen = prvSPI[SpiID].RxBuf.MaxLen;
  578. SPI->IMR = SPI_IMR_RXOIM|SPI_IMR_RXFIM;
  579. }
  580. else
  581. {
  582. SPI->IMR = SPI_IMR_TXEIM;
  583. SPI->RXFTLR = SPIM_FIFO_RX_LEVEL;
  584. SPI->TXFTLR = SPIM_FIFO_TX_LEVEL;
  585. TxLen = SPIM_FIFO_TX_NUM;
  586. }
  587. for(i = 0; i < TxLen; i++)
  588. {
  589. SPI->DR = prvSPI[SpiID].TxBuf.Data[i];
  590. }
  591. prvSPI[SpiID].TxBuf.Pos += TxLen;
  592. ISR_Clear(prvSPI[SpiID].IrqLine);
  593. ISR_OnOff(prvSPI[SpiID].IrqLine, 1);
  594. }
  595. SPI->SER = 1;
  596. return ERROR_NONE;
  597. }
  598. static int32_t prvSPI_BlockTransfer(uint8_t SpiID, const uint8_t *TxData, uint8_t *RxData, uint32_t Len)
  599. {
  600. volatile uint32_t DummyData;
  601. uint32_t TxLen, RxLen, i, To;
  602. HSPIM_TypeDef *HSPI;
  603. SPI_TypeDef *SPI;
  604. prvSPI[SpiID].IsBusy = 1;
  605. switch(SpiID)
  606. {
  607. case HSPI_ID0:
  608. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  609. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  610. HSPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(32 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  611. HSPI->FCR &= ~(3 << 6);
  612. HSPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  613. if (Len <= HSPIM_FIFO_TX_NUM)
  614. {
  615. TxLen = Len;
  616. }
  617. else
  618. {
  619. TxLen = HSPIM_FIFO_TX_NUM;
  620. }
  621. for(i = 0; i < TxLen; i++)
  622. {
  623. HSPI->WDR = TxData[i];
  624. }
  625. if (RxData)
  626. {
  627. for(RxLen = 0; RxLen < Len; RxLen++)
  628. {
  629. while (HSPI->SR & HSPIM_SR_POP_EMPTY_RX)
  630. {
  631. ;
  632. }
  633. RxData[RxLen] = HSPI->RDR;
  634. if (TxLen < Len)
  635. {
  636. HSPI->WDR = TxData[TxLen];
  637. TxLen++;
  638. }
  639. }
  640. }
  641. else
  642. {
  643. while(TxLen < Len)
  644. {
  645. while ((HSPI->FSR & 0x7f) > 16)
  646. {
  647. ;
  648. }
  649. HSPI->WDR = TxData[TxLen];
  650. TxLen++;
  651. }
  652. while ((HSPI->FSR & 0x7f))
  653. {
  654. ;
  655. }
  656. // for(RxLen = 0; RxLen < Len; RxLen++)
  657. // {
  658. // while (HSPI->SR & HSPIM_SR_POP_EMPTY_RX)
  659. // {
  660. // ;
  661. // }
  662. // DummyData = HSPI->RDR;
  663. // if (TxLen < Len)
  664. // {
  665. // HSPI->WDR = TxData[TxLen];
  666. // TxLen++;
  667. // }
  668. // }
  669. }
  670. break;
  671. case SPI_ID0:
  672. case SPI_ID1:
  673. case SPI_ID2:
  674. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  675. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  676. SPI->SER = 0;
  677. if (Len <= SPIM_FIFO_TX_NUM)
  678. {
  679. TxLen = Len;
  680. }
  681. else
  682. {
  683. TxLen = SPIM_FIFO_TX_NUM;
  684. }
  685. for(i = 0; i < TxLen; i++)
  686. {
  687. SPI->DR = TxData[i];
  688. }
  689. SPI->SER = 1;
  690. if (RxData)
  691. {
  692. for(RxLen = 0; RxLen < Len; RxLen++)
  693. {
  694. while (!SPI->RXFLR)
  695. {
  696. ;
  697. }
  698. RxData[RxLen] = SPI->DR;
  699. if (TxLen < Len)
  700. {
  701. SPI->DR = TxData[TxLen];
  702. TxLen++;
  703. }
  704. }
  705. }
  706. else
  707. {
  708. for(RxLen = 0; RxLen < Len; RxLen++)
  709. {
  710. while (!SPI->RXFLR)
  711. {
  712. ;
  713. }
  714. DummyData = SPI->DR;
  715. if (TxLen < Len)
  716. {
  717. SPI->DR = TxData[TxLen];
  718. TxLen++;
  719. }
  720. }
  721. }
  722. SPI->SER = 0;
  723. break;
  724. }
  725. prvSPI[SpiID].IsBusy = 0;
  726. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  727. return 0;
  728. }
  729. int32_t SPI_BlockTransfer(uint8_t SpiID, const uint8_t *TxData, uint8_t *RxData, uint32_t Len)
  730. {
  731. uint32_t times = 192000000;
  732. if (prvSPI[SpiID].Speed >= 48000000)
  733. {
  734. times = Len * 100000;
  735. }
  736. else if (prvSPI[SpiID].Speed >= 8000000)
  737. {
  738. times = Len * 1000000;
  739. }
  740. #ifdef __BUILD_OS__
  741. //if ( OS_CheckInIrq() || ((prvSPI[SpiID].Speed >> 3) >= (Len * 50000 * ((SpiID==HSPI_ID0)?2:1))))
  742. if ( OS_CheckInIrq() || ((prvSPI[SpiID].Speed >> 3) >= times))
  743. {
  744. prvSPI[SpiID].IsBlockMode = 0;
  745. #endif
  746. return prvSPI_BlockTransfer(SpiID, TxData, RxData, Len);
  747. #ifdef __BUILD_OS__
  748. }
  749. int32_t Result;
  750. uint8_t DMAMode;
  751. uint32_t Time = (Len * 1000) / (prvSPI[SpiID].Speed >> 3) + prvSPI[SpiID].timeout + 100;
  752. prvSPI[SpiID].IsBlockMode = 1;
  753. if ( (prvSPI[SpiID].DMARxStream == 0xff) || (prvSPI[SpiID].DMATxStream == 0xff) )
  754. {
  755. DMAMode = 0;
  756. }
  757. else
  758. {
  759. DMAMode = 1;
  760. }
  761. if (TxData)
  762. {
  763. Result = SPI_Transfer(SpiID, TxData, RxData, Len, DMAMode);
  764. }
  765. else
  766. {
  767. Result = SPI_Transfer(SpiID, RxData, RxData, Len, DMAMode);
  768. }
  769. if (Result)
  770. {
  771. prvSPI[SpiID].IsBlockMode = 0;
  772. DBG("!");
  773. return Result;
  774. }
  775. if (OS_MutexLockWtihTime(prvSPI[SpiID].Sem, Time))
  776. {
  777. DBG("spi id %d timeout",SpiID);
  778. SPI_TransferStop(SpiID);
  779. prvSPI[SpiID].IsBlockMode = 0;
  780. return -1;
  781. }
  782. prvSPI[SpiID].IsBlockMode = 0;
  783. return 0;
  784. #endif
  785. }
  786. static int32_t prvSPI_FlashBlockTransfer(uint8_t SpiID, const uint8_t *TxData, uint32_t WLen, uint8_t *RxData, uint32_t RLen)
  787. {
  788. volatile uint32_t DummyData;
  789. uint32_t TxLen, RxLen, i;
  790. HSPIM_TypeDef *HSPI;
  791. SPI_TypeDef *SPI;
  792. prvSPI[SpiID].IsBusy = 1;
  793. switch(SpiID)
  794. {
  795. case HSPI_ID0:
  796. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  797. HSPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(32 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  798. HSPI->FCR &= ~(3 << 6);
  799. HSPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  800. if (WLen <= HSPIM_FIFO_TX_NUM)
  801. {
  802. TxLen = WLen;
  803. }
  804. else
  805. {
  806. TxLen = HSPIM_FIFO_TX_NUM;
  807. }
  808. for(i = 0; i < TxLen; i++)
  809. {
  810. HSPI->WDR = TxData[i];
  811. }
  812. for(RxLen = 0; RxLen < WLen; RxLen++)
  813. {
  814. while (HSPI->SR & HSPIM_SR_POP_EMPTY_RX)
  815. {
  816. ;
  817. }
  818. DummyData = HSPI->RDR;
  819. if (TxLen < WLen)
  820. {
  821. HSPI->WDR = TxData[TxLen];
  822. TxLen++;
  823. }
  824. }
  825. if (RLen <= HSPIM_FIFO_TX_NUM)
  826. {
  827. TxLen = RLen;
  828. }
  829. else
  830. {
  831. TxLen = HSPIM_FIFO_TX_NUM;
  832. }
  833. for(i = 0; i < TxLen; i++)
  834. {
  835. HSPI->WDR = TxData[i];
  836. }
  837. for(RxLen = 0; RxLen < RLen; RxLen++)
  838. {
  839. while (HSPI->SR & HSPIM_SR_POP_EMPTY_RX)
  840. {
  841. ;
  842. }
  843. RxData[RxLen] = HSPI->RDR;
  844. if (TxLen < RLen)
  845. {
  846. HSPI->WDR = 0xff;
  847. TxLen++;
  848. }
  849. }
  850. break;
  851. case SPI_ID0:
  852. case SPI_ID1:
  853. case SPI_ID2:
  854. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  855. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  856. SPI->SER = 0;
  857. if (WLen <= SPIM_FIFO_TX_NUM)
  858. {
  859. TxLen = WLen;
  860. }
  861. else
  862. {
  863. TxLen = SPIM_FIFO_TX_NUM;
  864. }
  865. for(i = 0; i < TxLen; i++)
  866. {
  867. SPI->DR = TxData[i];
  868. }
  869. SPI->SER = 1;
  870. for(RxLen = 0; RxLen < WLen; RxLen++)
  871. {
  872. while (!SPI->RXFLR)
  873. {
  874. ;
  875. }
  876. DummyData = SPI->DR;
  877. if (TxLen < WLen)
  878. {
  879. SPI->DR = TxData[TxLen];
  880. TxLen++;
  881. }
  882. }
  883. if (RLen <= SPIM_FIFO_TX_NUM)
  884. {
  885. TxLen = RLen;
  886. }
  887. else
  888. {
  889. TxLen = SPIM_FIFO_TX_NUM;
  890. }
  891. for(i = 0; i < TxLen; i++)
  892. {
  893. SPI->DR = TxData[i];
  894. }
  895. for(RxLen = 0; RxLen < RLen; RxLen++)
  896. {
  897. while (!SPI->RXFLR)
  898. {
  899. ;
  900. }
  901. RxData[RxLen] = SPI->DR;
  902. if (TxLen < RLen)
  903. {
  904. SPI->DR = 0xff;
  905. TxLen++;
  906. }
  907. }
  908. SPI->SER = 0;
  909. break;
  910. }
  911. prvSPI[SpiID].IsBusy = 0;
  912. prvSPI[SpiID].Callback((void *)SpiID, prvSPI[SpiID].pParam);
  913. return 0;
  914. }
  915. int32_t SPI_FlashBlockTransfer(uint8_t SpiID, const uint8_t *TxData, uint32_t WLen, uint8_t *RxData, uint32_t RLen)
  916. {
  917. uint32_t times = 192000000;
  918. if (prvSPI[SpiID].Speed >= 48000000)
  919. {
  920. times = (WLen + RLen) * 100000;
  921. }
  922. else if (prvSPI[SpiID].Speed >= 8000000)
  923. {
  924. times = (WLen + RLen) * 1000000;
  925. }
  926. #ifdef __BUILD_OS__
  927. // if ( OS_CheckInIrq() || ((prvSPI[SpiID].Speed >> 3) >= ((WLen + RLen) * 50000 * ((SpiID==HSPI_ID0)?2:1) )))
  928. if ( OS_CheckInIrq() || ((prvSPI[SpiID].Speed >> 3) >= times))
  929. {
  930. prvSPI[SpiID].IsBlockMode = 0;
  931. #endif
  932. return prvSPI_FlashBlockTransfer(SpiID, TxData, WLen, RxData, RLen);
  933. #ifdef __BUILD_OS__
  934. }
  935. int32_t Result;
  936. uint8_t DMAMode;
  937. uint32_t Time = ((WLen + RLen) * 1000) / (prvSPI[SpiID].Speed >> 3) + prvSPI[SpiID].timeout + 100;
  938. uint8_t *Temp = malloc(WLen + RLen);
  939. if (TxData)
  940. {
  941. memcpy(Temp, TxData, WLen);
  942. }
  943. prvSPI[SpiID].IsBlockMode = 1;
  944. if ( (prvSPI[SpiID].DMARxStream == 0xff) || (prvSPI[SpiID].DMATxStream == 0xff) )
  945. {
  946. DMAMode = 0;
  947. }
  948. else
  949. {
  950. DMAMode = 1;
  951. }
  952. Result = SPI_Transfer(SpiID, Temp, Temp, WLen + RLen, DMAMode);
  953. if (Result)
  954. {
  955. prvSPI[SpiID].IsBlockMode = 0;
  956. free(Temp);
  957. return Result;
  958. }
  959. if (OS_MutexLockWtihTime(prvSPI[SpiID].Sem, Time))
  960. {
  961. free(Temp);
  962. DBG("!!!");
  963. SPI_TransferStop(SpiID);
  964. prvSPI[SpiID].IsBlockMode = 0;
  965. return -1;
  966. }
  967. memcpy(RxData, Temp + WLen, RLen);
  968. prvSPI[SpiID].IsBlockMode = 0;
  969. free(Temp);
  970. return 0;
  971. #endif
  972. }
  973. void SPI_DMATxInit(uint8_t SpiID, uint8_t Stream, uint32_t Channel)
  974. {
  975. SPI_TypeDef *SPI;
  976. HSPIM_TypeDef *HSPI;
  977. DMA_InitTypeDef DMA_InitStruct;
  978. DMA_BaseConfig(&DMA_InitStruct);
  979. DMA_InitStruct.DMA_Peripheral = prvSPI[SpiID].DMATxChannel;
  980. DMA_InitStruct.DMA_Priority = DMA_Priority_3;
  981. prvSPI[SpiID].DMATxStream = Stream;
  982. switch(SpiID)
  983. {
  984. case HSPI_ID0:
  985. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  986. if (prvSPI[SpiID].IsOnlyTx)
  987. {
  988. DMA_InitStruct.DMA_Priority = DMA_Priority_0;
  989. }
  990. DMA_InitStruct.DMA_PeripheralBurstSize = DMA_BurstSize_32;
  991. DMA_InitStruct.DMA_MemoryBurstSize = DMA_BurstSize_32;
  992. DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&HSPI->WDR;
  993. break;
  994. case SPI_ID0:
  995. case SPI_ID1:
  996. case SPI_ID2:
  997. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  998. DMA_InitStruct.DMA_PeripheralBurstSize = DMA_BurstSize_8;
  999. DMA_InitStruct.DMA_MemoryBurstSize = DMA_BurstSize_8;
  1000. DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&SPI->DR;
  1001. break;
  1002. // case SPI_ID3:
  1003. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  1004. // break;
  1005. default:
  1006. return;
  1007. }
  1008. DMA_ConfigStream(Stream, &DMA_InitStruct);
  1009. }
  1010. void SPI_DMARxInit(uint8_t SpiID, uint8_t Stream, uint32_t Channel)
  1011. {
  1012. SPI_TypeDef *SPI;
  1013. HSPIM_TypeDef *HSPI;
  1014. DMA_InitTypeDef DMA_InitStruct;
  1015. DMA_BaseConfig(&DMA_InitStruct);
  1016. DMA_InitStruct.DMA_Peripheral = prvSPI[SpiID].DMARxChannel;
  1017. DMA_InitStruct.DMA_Priority = DMA_Priority_2;
  1018. prvSPI[SpiID].DMARxStream = Stream;
  1019. switch(SpiID)
  1020. {
  1021. case HSPI_ID0:
  1022. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  1023. DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&HSPI->RDR;
  1024. break;
  1025. case SPI_ID0:
  1026. case SPI_ID1:
  1027. case SPI_ID2:
  1028. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  1029. DMA_InitStruct.DMA_PeripheralBaseAddr = (uint32_t)&SPI->DR;
  1030. break;
  1031. // case SPI_ID3:
  1032. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  1033. // break;
  1034. default:
  1035. return;
  1036. }
  1037. DMA_ConfigStream(Stream, &DMA_InitStruct);
  1038. }
  1039. void SPI_TransferStop(uint8_t SpiID)
  1040. {
  1041. uint16_t Data;
  1042. ISR_Clear(prvSPI[SpiID].IrqLine);
  1043. ISR_OnOff(prvSPI[SpiID].IrqLine, 0);
  1044. SPI_TypeDef *SPI;
  1045. HSPIM_TypeDef *HSPI;
  1046. uint32_t TxLen, i;
  1047. DMA_StopStream(prvSPI[SpiID].DMATxStream);
  1048. DMA_StopStream(prvSPI[SpiID].DMARxStream);
  1049. switch(SpiID)
  1050. {
  1051. case HSPI_ID0:
  1052. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  1053. HSPI->CR0 &= ~(7 << HSPIM_CR0_PARAM_INTERRPUT_ENABLE_POS);
  1054. HSPI->FCR = (32 << HSPIM_FCR_PARAM_TRANSIMIT_FIFO_EMPTY_THRESHOULD_POS)|(32 << HSPIM_FCR_PARAM_RECEIVE_FIFO_FULL_THRESHOULD_POS)|(3 << 6)|(63);
  1055. HSPI->FCR &= ~(3 << 6);
  1056. PM_SetHardwareRunFlag(PM_HW_HSPI, 0);
  1057. break;
  1058. case SPI_ID0:
  1059. SYSCTRL->PHER_CTRL &= ~SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  1060. case SPI_ID1:
  1061. case SPI_ID2:
  1062. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  1063. while(SPI->TXFLR){;}
  1064. while(SPI->RXFLR){Data = SPI->DR;}
  1065. SPI->SER = 0;
  1066. break;
  1067. // case SPI_ID3:
  1068. // SYSCTRL->PHER_CTRL |= SYSCTRL_PHER_CTRL_SPI0_SLV_EN;
  1069. // break;
  1070. default:
  1071. return ;
  1072. }
  1073. PM_SetHardwareRunFlag(PM_HW_SPI_0 + SpiID - 1, 0);
  1074. prvSPI[SpiID].IsBusy = 0;
  1075. }
  1076. uint8_t SPI_IsTransferBusy(uint8_t SpiID)
  1077. {
  1078. return prvSPI[SpiID].IsBusy;
  1079. }
  1080. void SPI_SetNewConfig(uint8_t SpiID, uint32_t Speed, uint8_t NewMode)
  1081. {
  1082. HSPIM_TypeDef *HSPI;
  1083. SPI_TypeDef *SPI;
  1084. uint32_t div;
  1085. if (prvSPI[SpiID].IsBusy) return;
  1086. if (NewMode == 0xff) {NewMode = prvSPI[SpiID].SpiMode;}
  1087. if ((prvSPI[SpiID].TargetSpeed == Speed) && (prvSPI[SpiID].SpiMode == NewMode))
  1088. {
  1089. return;
  1090. }
  1091. // DBG("speed %u->%u mode %u->%u", prvSPI[SpiID].TargetSpeed, Speed, prvSPI[SpiID].SpiMode, NewMode);
  1092. prvSPI[SpiID].TargetSpeed = Speed;
  1093. prvSPI[SpiID].SpiMode = NewMode;
  1094. switch(SpiID)
  1095. {
  1096. case HSPI_ID0:
  1097. HSPI = (HSPIM_TypeDef *)prvSPI[SpiID].RegBase;
  1098. div = (SystemCoreClock / Speed) >> 1;
  1099. HSPI->CR1 = (div << HSPIM_CR1_PARAM_BAUDRATE_POS);
  1100. prvSPI[SpiID].Speed = (SystemCoreClock >> 1) / div;
  1101. HSPI->CR0 &= ~((1 << HSPIM_CR0_PARAM_CPOL_POS)|(1 << HSPIM_CR0_PARAM_CPHA_POS));
  1102. switch(NewMode)
  1103. {
  1104. case SPI_MODE_0:
  1105. break;
  1106. case SPI_MODE_1:
  1107. HSPI->CR0 |= (1 << HSPIM_CR0_PARAM_CPHA_POS);
  1108. break;
  1109. case SPI_MODE_2:
  1110. HSPI->CR0 |= (1 << HSPIM_CR0_PARAM_CPOL_POS);
  1111. break;
  1112. case SPI_MODE_3:
  1113. HSPI->CR0 |= (1 << HSPIM_CR0_PARAM_CPOL_POS)|(1 << HSPIM_CR0_PARAM_CPHA_POS);
  1114. break;
  1115. }
  1116. break;
  1117. case SPI_ID0:
  1118. case SPI_ID1:
  1119. case SPI_ID2:
  1120. SPI = (SPI_TypeDef *)prvSPI[SpiID].RegBase;
  1121. SPI->SSIENR = 0;
  1122. div = (SystemCoreClock >> 2) / Speed;
  1123. if (!div) div = 2;
  1124. if (div % 2) div++;
  1125. prvSPI[SpiID].Speed = (SystemCoreClock >> 2) / div;
  1126. SPI->BAUDR = div;
  1127. SPI->CTRLR0 &= ~(SPI_CTRLR0_SCPOL|SPI_CTRLR0_SCPH);
  1128. switch(NewMode)
  1129. {
  1130. case SPI_MODE_0:
  1131. break;
  1132. case SPI_MODE_1:
  1133. SPI->CTRLR0 |= SPI_CTRLR0_SCPH;
  1134. break;
  1135. case SPI_MODE_2:
  1136. SPI->CTRLR0 |= SPI_CTRLR0_SCPOL;
  1137. break;
  1138. case SPI_MODE_3:
  1139. SPI->CTRLR0 |= SPI_CTRLR0_SCPOL|SPI_CTRLR0_SCPH;
  1140. break;
  1141. }
  1142. SPI->SSIENR = 1;
  1143. break;
  1144. }
  1145. }