fsl_sai.c 64 KB

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  1. /*
  2. * Copyright (c) 2016, Freescale Semiconductor, Inc.
  3. * Copyright 2016-2017 NXP
  4. *
  5. * Redistribution and use in source and binary forms, with or without modification,
  6. * are permitted provided that the following conditions are met:
  7. *
  8. * o Redistributions of source code must retain the above copyright notice, this list
  9. * of conditions and the following disclaimer.
  10. *
  11. * o Redistributions in binary form must reproduce the above copyright notice, this
  12. * list of conditions and the following disclaimer in the documentation and/or
  13. * other materials provided with the distribution.
  14. *
  15. * o Neither the name of the copyright holder nor the names of its
  16. * contributors may be used to endorse or promote products derived from this
  17. * software without specific prior written permission.
  18. *
  19. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND
  20. * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
  21. * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
  22. * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR
  23. * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
  24. * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  25. * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON
  26. * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  27. * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
  28. * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  29. */
  30. #include "fsl_sai.h"
  31. /*******************************************************************************
  32. * Definitations
  33. ******************************************************************************/
  34. enum _sai_transfer_state
  35. {
  36. kSAI_Busy = 0x0U, /*!< SAI is busy */
  37. kSAI_Idle, /*!< Transfer is done. */
  38. kSAI_Error /*!< Transfer error occured. */
  39. };
  40. /*! @brief Typedef for sai tx interrupt handler. */
  41. typedef void (*sai_tx_isr_t)(I2S_Type *base, sai_handle_t *saiHandle);
  42. /*! @brief Typedef for sai rx interrupt handler. */
  43. typedef void (*sai_rx_isr_t)(I2S_Type *base, sai_handle_t *saiHandle);
  44. /*******************************************************************************
  45. * Prototypes
  46. ******************************************************************************/
  47. #if defined(FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER) && (FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER)
  48. /*!
  49. * @brief Set the master clock divider.
  50. *
  51. * This API will compute the master clock divider according to master clock frequency and master
  52. * clock source clock source frequency.
  53. *
  54. * @param base SAI base pointer.
  55. * @param mclk_Hz Mater clock frequency in Hz.
  56. * @param mclkSrcClock_Hz Master clock source frequency in Hz.
  57. */
  58. static void SAI_SetMasterClockDivider(I2S_Type *base, uint32_t mclk_Hz, uint32_t mclkSrcClock_Hz);
  59. #endif /* FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER */
  60. /*!
  61. * @brief Get the instance number for SAI.
  62. *
  63. * @param base SAI base pointer.
  64. */
  65. uint32_t SAI_GetInstance(I2S_Type *base);
  66. /*!
  67. * @brief sends a piece of data in non-blocking way.
  68. *
  69. * @param base SAI base pointer
  70. * @param channel Data channel used.
  71. * @param bitWidth How many bits in a audio word, usually 8/16/24/32 bits.
  72. * @param buffer Pointer to the data to be written.
  73. * @param size Bytes to be written.
  74. */
  75. static void SAI_WriteNonBlocking(I2S_Type *base, uint32_t channel, uint32_t bitWidth, uint8_t *buffer, uint32_t size);
  76. /*!
  77. * @brief Receive a piece of data in non-blocking way.
  78. *
  79. * @param base SAI base pointer
  80. * @param channel Data channel used.
  81. * @param bitWidth How many bits in a audio word, usually 8/16/24/32 bits.
  82. * @param buffer Pointer to the data to be read.
  83. * @param size Bytes to be read.
  84. */
  85. static void SAI_ReadNonBlocking(I2S_Type *base, uint32_t channel, uint32_t bitWidth, uint8_t *buffer, uint32_t size);
  86. /*******************************************************************************
  87. * Variables
  88. ******************************************************************************/
  89. /* Base pointer array */
  90. static I2S_Type *const s_saiBases[] = I2S_BASE_PTRS;
  91. /*!@brief SAI handle pointer */
  92. sai_handle_t *s_saiHandle[ARRAY_SIZE(s_saiBases)][2];
  93. /* IRQ number array */
  94. static const IRQn_Type s_saiTxIRQ[] = I2S_TX_IRQS;
  95. static const IRQn_Type s_saiRxIRQ[] = I2S_RX_IRQS;
  96. #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
  97. /* Clock name array */
  98. static const clock_ip_name_t s_saiClock[] = SAI_CLOCKS;
  99. #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
  100. /*! @brief Pointer to tx IRQ handler for each instance. */
  101. static sai_tx_isr_t s_saiTxIsr;
  102. /*! @brief Pointer to tx IRQ handler for each instance. */
  103. static sai_rx_isr_t s_saiRxIsr;
  104. /*******************************************************************************
  105. * Code
  106. ******************************************************************************/
  107. #if defined(FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER) && (FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER)
  108. static void SAI_SetMasterClockDivider(I2S_Type *base, uint32_t mclk_Hz, uint32_t mclkSrcClock_Hz)
  109. {
  110. uint32_t freq = mclkSrcClock_Hz;
  111. uint16_t fract, divide;
  112. uint32_t remaind = 0;
  113. uint32_t current_remainder = 0xFFFFFFFFU;
  114. uint16_t current_fract = 0;
  115. uint16_t current_divide = 0;
  116. uint32_t mul_freq = 0;
  117. uint32_t max_fract = 256;
  118. /*In order to prevent overflow */
  119. freq /= 100;
  120. mclk_Hz /= 100;
  121. /* Compute the max fract number */
  122. max_fract = mclk_Hz * 4096 / freq + 1;
  123. if (max_fract > 256)
  124. {
  125. max_fract = 256;
  126. }
  127. /* Looking for the closet frequency */
  128. for (fract = 1; fract < max_fract; fract++)
  129. {
  130. mul_freq = freq * fract;
  131. remaind = mul_freq % mclk_Hz;
  132. divide = mul_freq / mclk_Hz;
  133. /* Find the exactly frequency */
  134. if (remaind == 0)
  135. {
  136. current_fract = fract;
  137. current_divide = mul_freq / mclk_Hz;
  138. break;
  139. }
  140. /* Closer to next one, set the closest to next data */
  141. if (remaind > mclk_Hz / 2)
  142. {
  143. remaind = mclk_Hz - remaind;
  144. divide += 1;
  145. }
  146. /* Update the closest div and fract */
  147. if (remaind < current_remainder)
  148. {
  149. current_fract = fract;
  150. current_divide = divide;
  151. current_remainder = remaind;
  152. }
  153. }
  154. /* Fill the computed fract and divider to registers */
  155. base->MDR = I2S_MDR_DIVIDE(current_divide - 1) | I2S_MDR_FRACT(current_fract - 1);
  156. /* Waiting for the divider updated */
  157. while (base->MCR & I2S_MCR_DUF_MASK)
  158. {
  159. }
  160. }
  161. #endif /* FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER */
  162. uint32_t SAI_GetInstance(I2S_Type *base)
  163. {
  164. uint32_t instance;
  165. /* Find the instance index from base address mappings. */
  166. for (instance = 0; instance < ARRAY_SIZE(s_saiBases); instance++)
  167. {
  168. if (s_saiBases[instance] == base)
  169. {
  170. break;
  171. }
  172. }
  173. assert(instance < ARRAY_SIZE(s_saiBases));
  174. return instance;
  175. }
  176. static void SAI_WriteNonBlocking(I2S_Type *base, uint32_t channel, uint32_t bitWidth, uint8_t *buffer, uint32_t size)
  177. {
  178. uint32_t i = 0;
  179. uint8_t j = 0;
  180. uint8_t bytesPerWord = bitWidth / 8U;
  181. uint32_t data = 0;
  182. uint32_t temp = 0;
  183. for (i = 0; i < size / bytesPerWord; i++)
  184. {
  185. for (j = 0; j < bytesPerWord; j++)
  186. {
  187. temp = (uint32_t)(*buffer);
  188. data |= (temp << (8U * j));
  189. buffer++;
  190. }
  191. base->TDR[channel] = data;
  192. data = 0;
  193. }
  194. }
  195. static void SAI_ReadNonBlocking(I2S_Type *base, uint32_t channel, uint32_t bitWidth, uint8_t *buffer, uint32_t size)
  196. {
  197. uint32_t i = 0;
  198. uint8_t j = 0;
  199. uint8_t bytesPerWord = bitWidth / 8U;
  200. uint32_t data = 0;
  201. for (i = 0; i < size / bytesPerWord; i++)
  202. {
  203. data = base->RDR[channel];
  204. for (j = 0; j < bytesPerWord; j++)
  205. {
  206. *buffer = (data >> (8U * j)) & 0xFF;
  207. buffer++;
  208. }
  209. }
  210. }
  211. void SAI_TxInit(I2S_Type *base, const sai_config_t *config)
  212. {
  213. uint32_t val = 0;
  214. #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
  215. /* Enable the SAI clock */
  216. CLOCK_EnableClock(s_saiClock[SAI_GetInstance(base)]);
  217. #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
  218. #if defined(FSL_FEATURE_SAI_HAS_MCR) && (FSL_FEATURE_SAI_HAS_MCR)
  219. /* Master clock source setting */
  220. val = (base->MCR & ~I2S_MCR_MICS_MASK);
  221. base->MCR = (val | I2S_MCR_MICS(config->mclkSource));
  222. /* Configure Master clock output enable */
  223. val = (base->MCR & ~I2S_MCR_MOE_MASK);
  224. base->MCR = (val | I2S_MCR_MOE(config->mclkOutputEnable));
  225. #endif /* FSL_FEATURE_SAI_HAS_MCR */
  226. /* Configure audio protocol */
  227. switch (config->protocol)
  228. {
  229. case kSAI_BusLeftJustified:
  230. base->TCR2 |= I2S_TCR2_BCP_MASK;
  231. base->TCR3 &= ~I2S_TCR3_WDFL_MASK;
  232. base->TCR4 = I2S_TCR4_MF(1U) | I2S_TCR4_SYWD(31U) | I2S_TCR4_FSE(0U) | I2S_TCR4_FSP(0U) | I2S_TCR4_FRSZ(1U);
  233. break;
  234. case kSAI_BusRightJustified:
  235. base->TCR2 |= I2S_TCR2_BCP_MASK;
  236. base->TCR3 &= ~I2S_TCR3_WDFL_MASK;
  237. base->TCR4 = I2S_TCR4_MF(1U) | I2S_TCR4_SYWD(31U) | I2S_TCR4_FSE(0U) | I2S_TCR4_FSP(0U) | I2S_TCR4_FRSZ(1U);
  238. break;
  239. case kSAI_BusI2S:
  240. base->TCR2 |= I2S_TCR2_BCP_MASK;
  241. base->TCR3 &= ~I2S_TCR3_WDFL_MASK;
  242. base->TCR4 = I2S_TCR4_MF(1U) | I2S_TCR4_SYWD(31U) | I2S_TCR4_FSE(1U) | I2S_TCR4_FSP(1U) | I2S_TCR4_FRSZ(1U);
  243. break;
  244. case kSAI_BusPCMA:
  245. base->TCR2 &= ~I2S_TCR2_BCP_MASK;
  246. base->TCR3 &= ~I2S_TCR3_WDFL_MASK;
  247. base->TCR4 = I2S_TCR4_MF(1U) | I2S_TCR4_SYWD(0U) | I2S_TCR4_FSE(1U) | I2S_TCR4_FSP(0U) | I2S_TCR4_FRSZ(1U);
  248. break;
  249. case kSAI_BusPCMB:
  250. base->TCR2 &= ~I2S_TCR2_BCP_MASK;
  251. base->TCR3 &= ~I2S_TCR3_WDFL_MASK;
  252. base->TCR4 = I2S_TCR4_MF(1U) | I2S_TCR4_SYWD(0U) | I2S_TCR4_FSE(0U) | I2S_TCR4_FSP(0U) | I2S_TCR4_FRSZ(1U);
  253. break;
  254. default:
  255. break;
  256. }
  257. /* Set master or slave */
  258. if (config->masterSlave == kSAI_Master)
  259. {
  260. base->TCR2 |= I2S_TCR2_BCD_MASK;
  261. base->TCR4 |= I2S_TCR4_FSD_MASK;
  262. /* Bit clock source setting */
  263. val = base->TCR2 & (~I2S_TCR2_MSEL_MASK);
  264. base->TCR2 = (val | I2S_TCR2_MSEL(config->bclkSource));
  265. }
  266. else
  267. {
  268. base->TCR2 &= ~I2S_TCR2_BCD_MASK;
  269. base->TCR4 &= ~I2S_TCR4_FSD_MASK;
  270. }
  271. /* Set Sync mode */
  272. switch (config->syncMode)
  273. {
  274. case kSAI_ModeAsync:
  275. val = base->TCR2;
  276. val &= ~I2S_TCR2_SYNC_MASK;
  277. base->TCR2 = (val | I2S_TCR2_SYNC(0U));
  278. break;
  279. case kSAI_ModeSync:
  280. val = base->TCR2;
  281. val &= ~I2S_TCR2_SYNC_MASK;
  282. base->TCR2 = (val | I2S_TCR2_SYNC(1U));
  283. /* If sync with Rx, should set Rx to async mode */
  284. val = base->RCR2;
  285. val &= ~I2S_RCR2_SYNC_MASK;
  286. base->RCR2 = (val | I2S_RCR2_SYNC(0U));
  287. break;
  288. case kSAI_ModeSyncWithOtherTx:
  289. val = base->TCR2;
  290. val &= ~I2S_TCR2_SYNC_MASK;
  291. base->TCR2 = (val | I2S_TCR2_SYNC(2U));
  292. break;
  293. case kSAI_ModeSyncWithOtherRx:
  294. val = base->TCR2;
  295. val &= ~I2S_TCR2_SYNC_MASK;
  296. base->TCR2 = (val | I2S_TCR2_SYNC(3U));
  297. break;
  298. default:
  299. break;
  300. }
  301. }
  302. void SAI_RxInit(I2S_Type *base, const sai_config_t *config)
  303. {
  304. uint32_t val = 0;
  305. #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
  306. /* Enable SAI clock first. */
  307. CLOCK_EnableClock(s_saiClock[SAI_GetInstance(base)]);
  308. #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
  309. #if defined(FSL_FEATURE_SAI_HAS_MCR) && (FSL_FEATURE_SAI_HAS_MCR)
  310. /* Master clock source setting */
  311. val = (base->MCR & ~I2S_MCR_MICS_MASK);
  312. base->MCR = (val | I2S_MCR_MICS(config->mclkSource));
  313. /* Configure Master clock output enable */
  314. val = (base->MCR & ~I2S_MCR_MOE_MASK);
  315. base->MCR = (val | I2S_MCR_MOE(config->mclkOutputEnable));
  316. #endif /* FSL_FEATURE_SAI_HAS_MCR */
  317. /* Configure audio protocol */
  318. switch (config->protocol)
  319. {
  320. case kSAI_BusLeftJustified:
  321. base->RCR2 |= I2S_RCR2_BCP_MASK;
  322. base->RCR3 &= ~I2S_RCR3_WDFL_MASK;
  323. base->RCR4 = I2S_RCR4_MF(1U) | I2S_RCR4_SYWD(31U) | I2S_RCR4_FSE(0U) | I2S_RCR4_FSP(0U) | I2S_RCR4_FRSZ(1U);
  324. break;
  325. case kSAI_BusRightJustified:
  326. base->RCR2 |= I2S_RCR2_BCP_MASK;
  327. base->RCR3 &= ~I2S_RCR3_WDFL_MASK;
  328. base->RCR4 = I2S_RCR4_MF(1U) | I2S_RCR4_SYWD(31U) | I2S_RCR4_FSE(0U) | I2S_RCR4_FSP(0U) | I2S_RCR4_FRSZ(1U);
  329. break;
  330. case kSAI_BusI2S:
  331. base->RCR2 |= I2S_RCR2_BCP_MASK;
  332. base->RCR3 &= ~I2S_RCR3_WDFL_MASK;
  333. base->RCR4 = I2S_RCR4_MF(1U) | I2S_RCR4_SYWD(31U) | I2S_RCR4_FSE(1U) | I2S_RCR4_FSP(1U) | I2S_RCR4_FRSZ(1U);
  334. break;
  335. case kSAI_BusPCMA:
  336. base->RCR2 &= ~I2S_RCR2_BCP_MASK;
  337. base->RCR3 &= ~I2S_RCR3_WDFL_MASK;
  338. base->RCR4 = I2S_RCR4_MF(1U) | I2S_RCR4_SYWD(0U) | I2S_RCR4_FSE(1U) | I2S_RCR4_FSP(0U) | I2S_RCR4_FRSZ(1U);
  339. break;
  340. case kSAI_BusPCMB:
  341. base->RCR2 &= ~I2S_RCR2_BCP_MASK;
  342. base->RCR3 &= ~I2S_RCR3_WDFL_MASK;
  343. base->RCR4 = I2S_RCR4_MF(1U) | I2S_RCR4_SYWD(0U) | I2S_RCR4_FSE(0U) | I2S_RCR4_FSP(0U) | I2S_RCR4_FRSZ(1U);
  344. break;
  345. default:
  346. break;
  347. }
  348. /* Set master or slave */
  349. if (config->masterSlave == kSAI_Master)
  350. {
  351. base->RCR2 |= I2S_RCR2_BCD_MASK;
  352. base->RCR4 |= I2S_RCR4_FSD_MASK;
  353. /* Bit clock source setting */
  354. val = base->RCR2 & (~I2S_RCR2_MSEL_MASK);
  355. base->RCR2 = (val | I2S_RCR2_MSEL(config->bclkSource));
  356. }
  357. else
  358. {
  359. base->RCR2 &= ~I2S_RCR2_BCD_MASK;
  360. base->RCR4 &= ~I2S_RCR4_FSD_MASK;
  361. }
  362. /* Set Sync mode */
  363. switch (config->syncMode)
  364. {
  365. case kSAI_ModeAsync:
  366. val = base->RCR2;
  367. val &= ~I2S_RCR2_SYNC_MASK;
  368. base->RCR2 = (val | I2S_RCR2_SYNC(0U));
  369. break;
  370. case kSAI_ModeSync:
  371. val = base->RCR2;
  372. val &= ~I2S_RCR2_SYNC_MASK;
  373. base->RCR2 = (val | I2S_RCR2_SYNC(1U));
  374. /* If sync with Tx, should set Tx to async mode */
  375. val = base->TCR2;
  376. val &= ~I2S_TCR2_SYNC_MASK;
  377. base->TCR2 = (val | I2S_TCR2_SYNC(0U));
  378. break;
  379. case kSAI_ModeSyncWithOtherTx:
  380. val = base->RCR2;
  381. val &= ~I2S_RCR2_SYNC_MASK;
  382. base->RCR2 = (val | I2S_RCR2_SYNC(2U));
  383. break;
  384. case kSAI_ModeSyncWithOtherRx:
  385. val = base->RCR2;
  386. val &= ~I2S_RCR2_SYNC_MASK;
  387. base->RCR2 = (val | I2S_RCR2_SYNC(3U));
  388. break;
  389. default:
  390. break;
  391. }
  392. }
  393. void SAI_Deinit(I2S_Type *base)
  394. {
  395. SAI_TxEnable(base, false);
  396. SAI_RxEnable(base, false);
  397. #if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
  398. CLOCK_DisableClock(s_saiClock[SAI_GetInstance(base)]);
  399. #endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */
  400. }
  401. void SAI_TxGetDefaultConfig(sai_config_t *config)
  402. {
  403. config->bclkSource = kSAI_BclkSourceMclkDiv;
  404. config->masterSlave = kSAI_Master;
  405. config->mclkSource = kSAI_MclkSourceSysclk;
  406. config->protocol = kSAI_BusLeftJustified;
  407. config->syncMode = kSAI_ModeAsync;
  408. #if defined(FSL_FEATURE_SAI_HAS_MCR) && (FSL_FEATURE_SAI_HAS_MCR)
  409. config->mclkOutputEnable = true;
  410. #endif /* FSL_FEATURE_SAI_HAS_MCR */
  411. }
  412. void SAI_RxGetDefaultConfig(sai_config_t *config)
  413. {
  414. config->bclkSource = kSAI_BclkSourceMclkDiv;
  415. config->masterSlave = kSAI_Master;
  416. config->mclkSource = kSAI_MclkSourceSysclk;
  417. config->protocol = kSAI_BusLeftJustified;
  418. config->syncMode = kSAI_ModeSync;
  419. #if defined(FSL_FEATURE_SAI_HAS_MCR) && (FSL_FEATURE_SAI_HAS_MCR)
  420. config->mclkOutputEnable = true;
  421. #endif /* FSL_FEATURE_SAI_HAS_MCR */
  422. }
  423. void SAI_TxReset(I2S_Type *base)
  424. {
  425. /* Set the software reset and FIFO reset to clear internal state */
  426. base->TCSR = I2S_TCSR_SR_MASK | I2S_TCSR_FR_MASK;
  427. /* Clear software reset bit, this should be done by software */
  428. base->TCSR &= ~I2S_TCSR_SR_MASK;
  429. /* Reset all Tx register values */
  430. base->TCR2 = 0;
  431. base->TCR3 = 0;
  432. base->TCR4 = 0;
  433. base->TCR5 = 0;
  434. base->TMR = 0;
  435. }
  436. void SAI_RxReset(I2S_Type *base)
  437. {
  438. /* Set the software reset and FIFO reset to clear internal state */
  439. base->RCSR = I2S_RCSR_SR_MASK | I2S_RCSR_FR_MASK;
  440. /* Clear software reset bit, this should be done by software */
  441. base->RCSR &= ~I2S_RCSR_SR_MASK;
  442. /* Reset all Rx register values */
  443. base->RCR2 = 0;
  444. base->RCR3 = 0;
  445. base->RCR4 = 0;
  446. base->RCR5 = 0;
  447. base->RMR = 0;
  448. }
  449. void SAI_TxEnable(I2S_Type *base, bool enable)
  450. {
  451. if (enable)
  452. {
  453. /* If clock is sync with Rx, should enable RE bit. */
  454. if (((base->TCR2 & I2S_TCR2_SYNC_MASK) >> I2S_TCR2_SYNC_SHIFT) == 0x1U)
  455. {
  456. base->RCSR = ((base->RCSR & 0xFFE3FFFFU) | I2S_RCSR_RE_MASK);
  457. }
  458. base->TCSR = ((base->TCSR & 0xFFE3FFFFU) | I2S_TCSR_TE_MASK);
  459. /* Also need to clear the FIFO error flag before start */
  460. SAI_TxClearStatusFlags(base, kSAI_FIFOErrorFlag);
  461. }
  462. else
  463. {
  464. /* If RE not sync with TE, than disable TE, otherwise, shall not disable TE */
  465. if (((base->RCR2 & I2S_RCR2_SYNC_MASK) >> I2S_RCR2_SYNC_SHIFT) != 0x1U)
  466. {
  467. /* Should not close RE even sync with Rx */
  468. base->TCSR = ((base->TCSR & 0xFFE3FFFFU) & (~I2S_TCSR_TE_MASK));
  469. }
  470. }
  471. }
  472. void SAI_RxEnable(I2S_Type *base, bool enable)
  473. {
  474. if (enable)
  475. {
  476. /* If clock is sync with Tx, should enable TE bit. */
  477. if (((base->RCR2 & I2S_RCR2_SYNC_MASK) >> I2S_RCR2_SYNC_SHIFT) == 0x1U)
  478. {
  479. base->TCSR = ((base->TCSR & 0xFFE3FFFFU) | I2S_TCSR_TE_MASK);
  480. }
  481. base->RCSR = ((base->RCSR & 0xFFE3FFFFU) | I2S_RCSR_RE_MASK);
  482. /* Also need to clear the FIFO error flag before start */
  483. SAI_RxClearStatusFlags(base, kSAI_FIFOErrorFlag);
  484. }
  485. else
  486. {
  487. /* While TX is not sync with RX, close RX */
  488. if (((base->TCR2 & I2S_TCR2_SYNC_MASK) >> I2S_TCR2_SYNC_SHIFT) != 0x1U)
  489. {
  490. base->RCSR = ((base->RCSR & 0xFFE3FFFFU) & (~I2S_RCSR_RE_MASK));
  491. }
  492. }
  493. }
  494. void SAI_TxSoftwareReset(I2S_Type *base, sai_reset_type_t type)
  495. {
  496. base->TCSR |= (uint32_t)type;
  497. /* Clear the software reset */
  498. base->TCSR &= ~I2S_TCSR_SR_MASK;
  499. }
  500. void SAI_RxSoftwareReset(I2S_Type *base, sai_reset_type_t type)
  501. {
  502. base->RCSR |= (uint32_t)type;
  503. /* Clear the software reset */
  504. base->RCSR &= ~I2S_RCSR_SR_MASK;
  505. }
  506. void SAI_TxSetChannelFIFOMask(I2S_Type *base, uint8_t mask)
  507. {
  508. base->TCR3 &= ~I2S_TCR3_TCE_MASK;
  509. base->TCR3 |= I2S_TCR3_TCE(mask);
  510. }
  511. void SAI_RxSetChannelFIFOMask(I2S_Type *base, uint8_t mask)
  512. {
  513. base->RCR3 &= ~I2S_RCR3_RCE_MASK;
  514. base->RCR3 |= I2S_RCR3_RCE(mask);
  515. }
  516. void SAI_TxSetFormat(I2S_Type *base,
  517. sai_transfer_format_t *format,
  518. uint32_t mclkSourceClockHz,
  519. uint32_t bclkSourceClockHz)
  520. {
  521. uint32_t bclk = 0;
  522. uint32_t val = 0;
  523. uint32_t channels = 2U;
  524. if (format->stereo != kSAI_Stereo)
  525. {
  526. channels = 1U;
  527. }
  528. if (format->isFrameSyncCompact)
  529. {
  530. bclk = format->sampleRate_Hz * format->bitWidth * channels;
  531. val = (base->TCR4 & (~I2S_TCR4_SYWD_MASK));
  532. val |= I2S_TCR4_SYWD(format->bitWidth - 1U);
  533. base->TCR4 = val;
  534. }
  535. else
  536. {
  537. bclk = format->sampleRate_Hz * 32U * 2U;
  538. }
  539. /* Compute the mclk */
  540. #if defined(FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER) && (FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER)
  541. /* Check if master clock divider enabled, then set master clock divider */
  542. if (base->MCR & I2S_MCR_MOE_MASK)
  543. {
  544. SAI_SetMasterClockDivider(base, format->masterClockHz, mclkSourceClockHz);
  545. }
  546. #endif /* FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER */
  547. /* Set bclk if needed */
  548. if (base->TCR2 & I2S_TCR2_BCD_MASK)
  549. {
  550. base->TCR2 &= ~I2S_TCR2_DIV_MASK;
  551. base->TCR2 |= I2S_TCR2_DIV((bclkSourceClockHz / bclk) / 2U - 1U);
  552. }
  553. /* Set bitWidth */
  554. val = (format->isFrameSyncCompact) ? (format->bitWidth - 1) : 31U;
  555. if (format->protocol == kSAI_BusRightJustified)
  556. {
  557. base->TCR5 = I2S_TCR5_WNW(val) | I2S_TCR5_W0W(val) | I2S_TCR5_FBT(val);
  558. }
  559. else
  560. {
  561. base->TCR5 = I2S_TCR5_WNW(val) | I2S_TCR5_W0W(val) | I2S_TCR5_FBT(format->bitWidth - 1);
  562. }
  563. /* Set mono or stereo */
  564. base->TMR = (uint32_t)format->stereo;
  565. /* Set data channel */
  566. base->TCR3 &= ~I2S_TCR3_TCE_MASK;
  567. base->TCR3 |= I2S_TCR3_TCE(1U << format->channel);
  568. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  569. /* Set watermark */
  570. base->TCR1 = format->watermark;
  571. #endif /* FSL_FEATURE_SAI_FIFO_COUNT */
  572. }
  573. void SAI_RxSetFormat(I2S_Type *base,
  574. sai_transfer_format_t *format,
  575. uint32_t mclkSourceClockHz,
  576. uint32_t bclkSourceClockHz)
  577. {
  578. uint32_t bclk = 0;
  579. uint32_t val = 0;
  580. uint32_t channels = 2U;
  581. if (format->stereo != kSAI_Stereo)
  582. {
  583. channels = 1U;
  584. }
  585. if (format->isFrameSyncCompact)
  586. {
  587. bclk = format->sampleRate_Hz * format->bitWidth * channels;
  588. val = (base->RCR4 & (~I2S_RCR4_SYWD_MASK));
  589. val |= I2S_RCR4_SYWD(format->bitWidth - 1U);
  590. base->RCR4 = val;
  591. }
  592. else
  593. {
  594. bclk = format->sampleRate_Hz * 32U * 2U;
  595. }
  596. /* Compute the mclk */
  597. #if defined(FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER) && (FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER)
  598. /* Check if master clock divider enabled */
  599. if (base->MCR & I2S_MCR_MOE_MASK)
  600. {
  601. SAI_SetMasterClockDivider(base, format->masterClockHz, mclkSourceClockHz);
  602. }
  603. #endif /* FSL_FEATURE_SAI_HAS_MCLKDIV_REGISTER */
  604. /* Set bclk if needed */
  605. if (base->RCR2 & I2S_RCR2_BCD_MASK)
  606. {
  607. base->RCR2 &= ~I2S_RCR2_DIV_MASK;
  608. base->RCR2 |= I2S_RCR2_DIV((bclkSourceClockHz / bclk) / 2U - 1U);
  609. }
  610. /* Set bitWidth */
  611. val = (format->isFrameSyncCompact) ? (format->bitWidth - 1) : 31U;
  612. if (format->protocol == kSAI_BusRightJustified)
  613. {
  614. base->RCR5 = I2S_RCR5_WNW(val) | I2S_RCR5_W0W(val) | I2S_RCR5_FBT(val);
  615. }
  616. else
  617. {
  618. base->RCR5 = I2S_RCR5_WNW(val) | I2S_RCR5_W0W(val) | I2S_RCR5_FBT(format->bitWidth - 1);
  619. }
  620. /* Set mono or stereo */
  621. base->RMR = (uint32_t)format->stereo;
  622. /* Set data channel */
  623. base->RCR3 &= ~I2S_RCR3_RCE_MASK;
  624. base->RCR3 |= I2S_RCR3_RCE(1U << format->channel);
  625. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  626. /* Set watermark */
  627. base->RCR1 = format->watermark;
  628. #endif /* FSL_FEATURE_SAI_FIFO_COUNT */
  629. }
  630. void SAI_WriteBlocking(I2S_Type *base, uint32_t channel, uint32_t bitWidth, uint8_t *buffer, uint32_t size)
  631. {
  632. uint32_t i = 0;
  633. uint8_t bytesPerWord = bitWidth / 8U;
  634. while (i < size)
  635. {
  636. /* Wait until it can write data */
  637. while (!(base->TCSR & I2S_TCSR_FWF_MASK))
  638. {
  639. }
  640. SAI_WriteNonBlocking(base, channel, bitWidth, buffer, bytesPerWord);
  641. buffer += bytesPerWord;
  642. i += bytesPerWord;
  643. }
  644. /* Wait until the last data is sent */
  645. while (!(base->TCSR & I2S_TCSR_FWF_MASK))
  646. {
  647. }
  648. }
  649. void SAI_ReadBlocking(I2S_Type *base, uint32_t channel, uint32_t bitWidth, uint8_t *buffer, uint32_t size)
  650. {
  651. uint32_t i = 0;
  652. uint8_t bytesPerWord = bitWidth / 8U;
  653. while (i < size)
  654. {
  655. /* Wait until data is received */
  656. while (!(base->RCSR & I2S_RCSR_FWF_MASK))
  657. {
  658. }
  659. SAI_ReadNonBlocking(base, channel, bitWidth, buffer, bytesPerWord);
  660. buffer += bytesPerWord;
  661. i += bytesPerWord;
  662. }
  663. }
  664. void SAI_TransferTxCreateHandle(I2S_Type *base, sai_handle_t *handle, sai_transfer_callback_t callback, void *userData)
  665. {
  666. assert(handle);
  667. /* Zero the handle */
  668. memset(handle, 0, sizeof(*handle));
  669. s_saiHandle[SAI_GetInstance(base)][0] = handle;
  670. handle->callback = callback;
  671. handle->userData = userData;
  672. /* Set the isr pointer */
  673. s_saiTxIsr = SAI_TransferTxHandleIRQ;
  674. /* Enable Tx irq */
  675. EnableIRQ(s_saiTxIRQ[SAI_GetInstance(base)]);
  676. }
  677. void SAI_TransferRxCreateHandle(I2S_Type *base, sai_handle_t *handle, sai_transfer_callback_t callback, void *userData)
  678. {
  679. assert(handle);
  680. /* Zero the handle */
  681. memset(handle, 0, sizeof(*handle));
  682. s_saiHandle[SAI_GetInstance(base)][1] = handle;
  683. handle->callback = callback;
  684. handle->userData = userData;
  685. /* Set the isr pointer */
  686. s_saiRxIsr = SAI_TransferRxHandleIRQ;
  687. /* Enable Rx irq */
  688. EnableIRQ(s_saiRxIRQ[SAI_GetInstance(base)]);
  689. }
  690. status_t SAI_TransferTxSetFormat(I2S_Type *base,
  691. sai_handle_t *handle,
  692. sai_transfer_format_t *format,
  693. uint32_t mclkSourceClockHz,
  694. uint32_t bclkSourceClockHz)
  695. {
  696. assert(handle);
  697. if ((mclkSourceClockHz < format->sampleRate_Hz) || (bclkSourceClockHz < format->sampleRate_Hz))
  698. {
  699. return kStatus_InvalidArgument;
  700. }
  701. /* Copy format to handle */
  702. handle->bitWidth = format->bitWidth;
  703. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  704. handle->watermark = format->watermark;
  705. #endif
  706. handle->channel = format->channel;
  707. SAI_TxSetFormat(base, format, mclkSourceClockHz, bclkSourceClockHz);
  708. return kStatus_Success;
  709. }
  710. status_t SAI_TransferRxSetFormat(I2S_Type *base,
  711. sai_handle_t *handle,
  712. sai_transfer_format_t *format,
  713. uint32_t mclkSourceClockHz,
  714. uint32_t bclkSourceClockHz)
  715. {
  716. assert(handle);
  717. if ((mclkSourceClockHz < format->sampleRate_Hz) || (bclkSourceClockHz < format->sampleRate_Hz))
  718. {
  719. return kStatus_InvalidArgument;
  720. }
  721. /* Copy format to handle */
  722. handle->bitWidth = format->bitWidth;
  723. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  724. handle->watermark = format->watermark;
  725. #endif
  726. handle->channel = format->channel;
  727. SAI_RxSetFormat(base, format, mclkSourceClockHz, bclkSourceClockHz);
  728. return kStatus_Success;
  729. }
  730. status_t SAI_TransferSendNonBlocking(I2S_Type *base, sai_handle_t *handle, sai_transfer_t *xfer)
  731. {
  732. assert(handle);
  733. /* Check if the queue is full */
  734. if (handle->saiQueue[handle->queueUser].data)
  735. {
  736. return kStatus_SAI_QueueFull;
  737. }
  738. /* Add into queue */
  739. handle->transferSize[handle->queueUser] = xfer->dataSize;
  740. handle->saiQueue[handle->queueUser].data = xfer->data;
  741. handle->saiQueue[handle->queueUser].dataSize = xfer->dataSize;
  742. handle->queueUser = (handle->queueUser + 1) % SAI_XFER_QUEUE_SIZE;
  743. /* Set the state to busy */
  744. handle->state = kSAI_Busy;
  745. /* Enable interrupt */
  746. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  747. /* Use FIFO request interrupt and fifo error*/
  748. SAI_TxEnableInterrupts(base, kSAI_FIFOErrorInterruptEnable | kSAI_FIFORequestInterruptEnable);
  749. #else
  750. SAI_TxEnableInterrupts(base, kSAI_FIFOErrorInterruptEnable | kSAI_FIFOWarningInterruptEnable);
  751. #endif /* FSL_FEATURE_SAI_FIFO_COUNT */
  752. /* Enable Tx transfer */
  753. SAI_TxEnable(base, true);
  754. return kStatus_Success;
  755. }
  756. status_t SAI_TransferReceiveNonBlocking(I2S_Type *base, sai_handle_t *handle, sai_transfer_t *xfer)
  757. {
  758. assert(handle);
  759. /* Check if the queue is full */
  760. if (handle->saiQueue[handle->queueUser].data)
  761. {
  762. return kStatus_SAI_QueueFull;
  763. }
  764. /* Add into queue */
  765. handle->transferSize[handle->queueUser] = xfer->dataSize;
  766. handle->saiQueue[handle->queueUser].data = xfer->data;
  767. handle->saiQueue[handle->queueUser].dataSize = xfer->dataSize;
  768. handle->queueUser = (handle->queueUser + 1) % SAI_XFER_QUEUE_SIZE;
  769. /* Set state to busy */
  770. handle->state = kSAI_Busy;
  771. /* Enable interrupt */
  772. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  773. /* Use FIFO request interrupt and fifo error*/
  774. SAI_RxEnableInterrupts(base, kSAI_FIFOErrorInterruptEnable | kSAI_FIFORequestInterruptEnable);
  775. #else
  776. SAI_RxEnableInterrupts(base, kSAI_FIFOErrorInterruptEnable | kSAI_FIFOWarningInterruptEnable);
  777. #endif /* FSL_FEATURE_SAI_FIFO_COUNT */
  778. /* Enable Rx transfer */
  779. SAI_RxEnable(base, true);
  780. return kStatus_Success;
  781. }
  782. status_t SAI_TransferGetSendCount(I2S_Type *base, sai_handle_t *handle, size_t *count)
  783. {
  784. assert(handle);
  785. status_t status = kStatus_Success;
  786. if (handle->state != kSAI_Busy)
  787. {
  788. status = kStatus_NoTransferInProgress;
  789. }
  790. else
  791. {
  792. *count = (handle->transferSize[handle->queueDriver] - handle->saiQueue[handle->queueDriver].dataSize);
  793. }
  794. return status;
  795. }
  796. status_t SAI_TransferGetReceiveCount(I2S_Type *base, sai_handle_t *handle, size_t *count)
  797. {
  798. assert(handle);
  799. status_t status = kStatus_Success;
  800. if (handle->state != kSAI_Busy)
  801. {
  802. status = kStatus_NoTransferInProgress;
  803. }
  804. else
  805. {
  806. *count = (handle->transferSize[handle->queueDriver] - handle->saiQueue[handle->queueDriver].dataSize);
  807. }
  808. return status;
  809. }
  810. void SAI_TransferAbortSend(I2S_Type *base, sai_handle_t *handle)
  811. {
  812. assert(handle);
  813. /* Stop Tx transfer and disable interrupt */
  814. SAI_TxEnable(base, false);
  815. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  816. /* Use FIFO request interrupt and fifo error */
  817. SAI_TxDisableInterrupts(base, kSAI_FIFOErrorInterruptEnable | kSAI_FIFORequestInterruptEnable);
  818. #else
  819. SAI_TxDisableInterrupts(base, kSAI_FIFOErrorInterruptEnable | kSAI_FIFOWarningInterruptEnable);
  820. #endif /* FSL_FEATURE_SAI_FIFO_COUNT */
  821. handle->state = kSAI_Idle;
  822. /* Clear the queue */
  823. memset(handle->saiQueue, 0, sizeof(sai_transfer_t) * SAI_XFER_QUEUE_SIZE);
  824. handle->queueDriver = 0;
  825. handle->queueUser = 0;
  826. }
  827. void SAI_TransferAbortReceive(I2S_Type *base, sai_handle_t *handle)
  828. {
  829. assert(handle);
  830. /* Stop Tx transfer and disable interrupt */
  831. SAI_RxEnable(base, false);
  832. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  833. /* Use FIFO request interrupt and fifo error */
  834. SAI_RxDisableInterrupts(base, kSAI_FIFOErrorInterruptEnable | kSAI_FIFORequestInterruptEnable);
  835. #else
  836. SAI_RxDisableInterrupts(base, kSAI_FIFOErrorInterruptEnable | kSAI_FIFOWarningInterruptEnable);
  837. #endif /* FSL_FEATURE_SAI_FIFO_COUNT */
  838. handle->state = kSAI_Idle;
  839. /* Clear the queue */
  840. memset(handle->saiQueue, 0, sizeof(sai_transfer_t) * SAI_XFER_QUEUE_SIZE);
  841. handle->queueDriver = 0;
  842. handle->queueUser = 0;
  843. }
  844. void SAI_TransferTerminateSend(I2S_Type *base, sai_handle_t *handle)
  845. {
  846. assert(handle);
  847. /* Abort the current transfer */
  848. SAI_TransferAbortSend(base, handle);
  849. /* Clear all the internal information */
  850. memset(handle->saiQueue, 0U, sizeof(handle->saiQueue));
  851. memset(handle->transferSize, 0U, sizeof(handle->transferSize));
  852. handle->queueUser = 0U;
  853. handle->queueDriver = 0U;
  854. }
  855. void SAI_TransferTerminateReceive(I2S_Type *base, sai_handle_t *handle)
  856. {
  857. assert(handle);
  858. /* Abort the current transfer */
  859. SAI_TransferAbortReceive(base, handle);
  860. /* Clear all the internal information */
  861. memset(handle->saiQueue, 0U, sizeof(handle->saiQueue));
  862. memset(handle->transferSize, 0U, sizeof(handle->transferSize));
  863. handle->queueUser = 0U;
  864. handle->queueDriver = 0U;
  865. }
  866. void SAI_TransferTxHandleIRQ(I2S_Type *base, sai_handle_t *handle)
  867. {
  868. assert(handle);
  869. uint8_t *buffer = handle->saiQueue[handle->queueDriver].data;
  870. uint8_t dataSize = handle->bitWidth / 8U;
  871. /* Handle Error */
  872. if (base->TCSR & I2S_TCSR_FEF_MASK)
  873. {
  874. /* Clear FIFO error flag to continue transfer */
  875. SAI_TxClearStatusFlags(base, kSAI_FIFOErrorFlag);
  876. /* Reset FIFO for safety */
  877. SAI_TxSoftwareReset(base, kSAI_ResetTypeFIFO);
  878. /* Call the callback */
  879. if (handle->callback)
  880. {
  881. (handle->callback)(base, handle, kStatus_SAI_TxError, handle->userData);
  882. }
  883. }
  884. /* Handle transfer */
  885. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  886. if (base->TCSR & I2S_TCSR_FRF_MASK)
  887. {
  888. /* Judge if the data need to transmit is less than space */
  889. uint8_t size = MIN((handle->saiQueue[handle->queueDriver].dataSize),
  890. (size_t)((FSL_FEATURE_SAI_FIFO_COUNT - handle->watermark) * dataSize));
  891. /* Copy the data from sai buffer to FIFO */
  892. SAI_WriteNonBlocking(base, handle->channel, handle->bitWidth, buffer, size);
  893. /* Update the internal counter */
  894. handle->saiQueue[handle->queueDriver].dataSize -= size;
  895. handle->saiQueue[handle->queueDriver].data += size;
  896. }
  897. #else
  898. if (base->TCSR & I2S_TCSR_FWF_MASK)
  899. {
  900. uint8_t size = MIN((handle->saiQueue[handle->queueDriver].dataSize), dataSize);
  901. SAI_WriteNonBlocking(base, handle->channel, handle->bitWidth, buffer, size);
  902. /* Update internal counter */
  903. handle->saiQueue[handle->queueDriver].dataSize -= size;
  904. handle->saiQueue[handle->queueDriver].data += size;
  905. }
  906. #endif /* FSL_FEATURE_SAI_FIFO_COUNT */
  907. /* If finished a blcok, call the callback function */
  908. if (handle->saiQueue[handle->queueDriver].dataSize == 0U)
  909. {
  910. memset(&handle->saiQueue[handle->queueDriver], 0, sizeof(sai_transfer_t));
  911. handle->queueDriver = (handle->queueDriver + 1) % SAI_XFER_QUEUE_SIZE;
  912. if (handle->callback)
  913. {
  914. (handle->callback)(base, handle, kStatus_SAI_TxIdle, handle->userData);
  915. }
  916. }
  917. /* If all data finished, just stop the transfer */
  918. if (handle->saiQueue[handle->queueDriver].data == NULL)
  919. {
  920. SAI_TransferAbortSend(base, handle);
  921. }
  922. }
  923. void SAI_TransferRxHandleIRQ(I2S_Type *base, sai_handle_t *handle)
  924. {
  925. assert(handle);
  926. uint8_t *buffer = handle->saiQueue[handle->queueDriver].data;
  927. uint8_t dataSize = handle->bitWidth / 8U;
  928. /* Handle Error */
  929. if (base->RCSR & I2S_RCSR_FEF_MASK)
  930. {
  931. /* Clear FIFO error flag to continue transfer */
  932. SAI_RxClearStatusFlags(base, kSAI_FIFOErrorFlag);
  933. /* Reset FIFO for safety */
  934. SAI_RxSoftwareReset(base, kSAI_ResetTypeFIFO);
  935. /* Call the callback */
  936. if (handle->callback)
  937. {
  938. (handle->callback)(base, handle, kStatus_SAI_RxError, handle->userData);
  939. }
  940. }
  941. /* Handle transfer */
  942. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  943. if (base->RCSR & I2S_RCSR_FRF_MASK)
  944. {
  945. /* Judge if the data need to transmit is less than space */
  946. uint8_t size = MIN((handle->saiQueue[handle->queueDriver].dataSize), (handle->watermark * dataSize));
  947. /* Copy the data from sai buffer to FIFO */
  948. SAI_ReadNonBlocking(base, handle->channel, handle->bitWidth, buffer, size);
  949. /* Update the internal counter */
  950. handle->saiQueue[handle->queueDriver].dataSize -= size;
  951. handle->saiQueue[handle->queueDriver].data += size;
  952. }
  953. #else
  954. if (base->RCSR & I2S_RCSR_FWF_MASK)
  955. {
  956. uint8_t size = MIN((handle->saiQueue[handle->queueDriver].dataSize), dataSize);
  957. SAI_ReadNonBlocking(base, handle->channel, handle->bitWidth, buffer, size);
  958. /* Update internal state */
  959. handle->saiQueue[handle->queueDriver].dataSize -= size;
  960. handle->saiQueue[handle->queueDriver].data += size;
  961. }
  962. #endif /* FSL_FEATURE_SAI_FIFO_COUNT */
  963. /* If finished a blcok, call the callback function */
  964. if (handle->saiQueue[handle->queueDriver].dataSize == 0U)
  965. {
  966. memset(&handle->saiQueue[handle->queueDriver], 0, sizeof(sai_transfer_t));
  967. handle->queueDriver = (handle->queueDriver + 1) % SAI_XFER_QUEUE_SIZE;
  968. if (handle->callback)
  969. {
  970. (handle->callback)(base, handle, kStatus_SAI_RxIdle, handle->userData);
  971. }
  972. }
  973. /* If all data finished, just stop the transfer */
  974. if (handle->saiQueue[handle->queueDriver].data == NULL)
  975. {
  976. SAI_TransferAbortReceive(base, handle);
  977. }
  978. }
  979. #if defined(I2S0)
  980. void I2S0_DriverIRQHandler(void)
  981. {
  982. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  983. if ((s_saiHandle[0][1]) && ((I2S0->RCSR & kSAI_FIFORequestFlag) || (I2S0->RCSR & kSAI_FIFOErrorFlag)) &&
  984. ((I2S0->RCSR & kSAI_FIFORequestInterruptEnable) || (I2S0->RCSR & kSAI_FIFOErrorInterruptEnable)))
  985. #else
  986. if ((s_saiHandle[0][1]) && ((I2S0->RCSR & kSAI_FIFOWarningFlag) || (I2S0->RCSR & kSAI_FIFOErrorFlag)) &&
  987. ((I2S0->RCSR & kSAI_FIFOWarningInterruptEnable) || (I2S0->RCSR & kSAI_FIFOErrorInterruptEnable)))
  988. #endif
  989. {
  990. s_saiRxIsr(I2S0, s_saiHandle[0][1]);
  991. }
  992. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  993. if ((s_saiHandle[0][0]) && ((I2S0->TCSR & kSAI_FIFORequestFlag) || (I2S0->TCSR & kSAI_FIFOErrorFlag)) &&
  994. ((I2S0->TCSR & kSAI_FIFORequestInterruptEnable) || (I2S0->TCSR & kSAI_FIFOErrorInterruptEnable)))
  995. #else
  996. if ((s_saiHandle[0][0]) && ((I2S0->TCSR & kSAI_FIFOWarningFlag) || (I2S0->TCSR & kSAI_FIFOErrorFlag)) &&
  997. ((I2S0->TCSR & kSAI_FIFOWarningInterruptEnable) || (I2S0->TCSR & kSAI_FIFOErrorInterruptEnable)))
  998. #endif
  999. {
  1000. s_saiTxIsr(I2S0, s_saiHandle[0][0]);
  1001. }
  1002. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1003. exception return operation might vector to incorrect interrupt */
  1004. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1005. __DSB();
  1006. #endif
  1007. }
  1008. void I2S0_Tx_DriverIRQHandler(void)
  1009. {
  1010. assert(s_saiHandle[0][0]);
  1011. s_saiTxIsr(I2S0, s_saiHandle[0][0]);
  1012. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1013. exception return operation might vector to incorrect interrupt */
  1014. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1015. __DSB();
  1016. #endif
  1017. }
  1018. void I2S0_Rx_DriverIRQHandler(void)
  1019. {
  1020. assert(s_saiHandle[0][1]);
  1021. s_saiRxIsr(I2S0, s_saiHandle[0][1]);
  1022. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1023. exception return operation might vector to incorrect interrupt */
  1024. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1025. __DSB();
  1026. #endif
  1027. }
  1028. #endif /* I2S0*/
  1029. #if defined(I2S1)
  1030. void I2S1_DriverIRQHandler(void)
  1031. {
  1032. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1033. if ((s_saiHandle[1][1]) && ((I2S1->RCSR & kSAI_FIFORequestFlag) || (I2S1->RCSR & kSAI_FIFOErrorFlag)) &&
  1034. ((I2S1->RCSR & kSAI_FIFORequestInterruptEnable) || (I2S1->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1035. #else
  1036. if ((s_saiHandle[1][1]) && ((I2S1->RCSR & kSAI_FIFOWarningFlag) || (I2S1->RCSR & kSAI_FIFOErrorFlag)) &&
  1037. ((I2S1->RCSR & kSAI_FIFOWarningInterruptEnable) || (I2S1->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1038. #endif
  1039. {
  1040. s_saiRxIsr(I2S1, s_saiHandle[1][1]);
  1041. }
  1042. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1043. if ((s_saiHandle[1][0]) && ((I2S1->TCSR & kSAI_FIFORequestFlag) || (I2S1->TCSR & kSAI_FIFOErrorFlag)) &&
  1044. ((I2S1->TCSR & kSAI_FIFORequestInterruptEnable) || (I2S1->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1045. #else
  1046. if ((s_saiHandle[1][0]) && ((I2S1->TCSR & kSAI_FIFOWarningFlag) || (I2S1->TCSR & kSAI_FIFOErrorFlag)) &&
  1047. ((I2S1->TCSR & kSAI_FIFOWarningInterruptEnable) || (I2S1->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1048. #endif
  1049. {
  1050. s_saiTxIsr(I2S1, s_saiHandle[1][0]);
  1051. }
  1052. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1053. exception return operation might vector to incorrect interrupt */
  1054. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1055. __DSB();
  1056. #endif
  1057. }
  1058. void I2S1_Tx_DriverIRQHandler(void)
  1059. {
  1060. assert(s_saiHandle[1][0]);
  1061. s_saiTxIsr(I2S1, s_saiHandle[1][0]);
  1062. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1063. exception return operation might vector to incorrect interrupt */
  1064. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1065. __DSB();
  1066. #endif
  1067. }
  1068. void I2S1_Rx_DriverIRQHandler(void)
  1069. {
  1070. assert(s_saiHandle[1][1]);
  1071. s_saiRxIsr(I2S1, s_saiHandle[1][1]);
  1072. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1073. exception return operation might vector to incorrect interrupt */
  1074. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1075. __DSB();
  1076. #endif
  1077. }
  1078. #endif /* I2S1*/
  1079. #if defined(I2S2)
  1080. void I2S2_DriverIRQHandler(void)
  1081. {
  1082. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1083. if ((s_saiHandle[2][1]) && ((I2S2->RCSR & kSAI_FIFORequestFlag) || (I2S2->RCSR & kSAI_FIFOErrorFlag)) &&
  1084. ((I2S2->RCSR & kSAI_FIFORequestInterruptEnable) || (I2S2->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1085. #else
  1086. if ((s_saiHandle[2][1]) && ((I2S2->RCSR & kSAI_FIFOWarningFlag) || (I2S2->RCSR & kSAI_FIFOErrorFlag)) &&
  1087. ((I2S2->RCSR & kSAI_FIFOWarningInterruptEnable) || (I2S2->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1088. #endif
  1089. {
  1090. s_saiRxIsr(I2S2, s_saiHandle[2][1]);
  1091. }
  1092. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1093. if ((s_saiHandle[2][0]) && ((I2S2->TCSR & kSAI_FIFORequestFlag) || (I2S2->TCSR & kSAI_FIFOErrorFlag)) &&
  1094. ((I2S2->TCSR & kSAI_FIFORequestInterruptEnable) || (I2S2->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1095. #else
  1096. if ((s_saiHandle[2][0]) && ((I2S2->TCSR & kSAI_FIFOWarningFlag) || (I2S2->TCSR & kSAI_FIFOErrorFlag)) &&
  1097. ((I2S2->TCSR & kSAI_FIFOWarningInterruptEnable) || (I2S2->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1098. #endif
  1099. {
  1100. s_saiTxIsr(I2S2, s_saiHandle[2][0]);
  1101. }
  1102. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1103. exception return operation might vector to incorrect interrupt */
  1104. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1105. __DSB();
  1106. #endif
  1107. }
  1108. void I2S2_Tx_DriverIRQHandler(void)
  1109. {
  1110. assert(s_saiHandle[2][0]);
  1111. s_saiTxIsr(I2S2, s_saiHandle[2][0]);
  1112. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1113. exception return operation might vector to incorrect interrupt */
  1114. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1115. __DSB();
  1116. #endif
  1117. }
  1118. void I2S2_Rx_DriverIRQHandler(void)
  1119. {
  1120. assert(s_saiHandle[2][1]);
  1121. s_saiRxIsr(I2S2, s_saiHandle[2][1]);
  1122. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1123. exception return operation might vector to incorrect interrupt */
  1124. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1125. __DSB();
  1126. #endif
  1127. }
  1128. #endif /* I2S2*/
  1129. #if defined(I2S3)
  1130. void I2S3_DriverIRQHandler(void)
  1131. {
  1132. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1133. if ((s_saiHandle[3][1]) && ((I2S3->RCSR & kSAI_FIFORequestFlag) || (I2S3->RCSR & kSAI_FIFOErrorFlag)) &&
  1134. ((I2S3->RCSR & kSAI_FIFORequestInterruptEnable) || (I2S3->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1135. #else
  1136. if ((s_saiHandle[3][1]) && ((I2S3->RCSR & kSAI_FIFOWarningFlag) || (I2S3->RCSR & kSAI_FIFOErrorFlag)) &&
  1137. ((I2S3->RCSR & kSAI_FIFOWarningInterruptEnable) || (I2S3->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1138. #endif
  1139. {
  1140. s_saiRxIsr(I2S3, s_saiHandle[3][1]);
  1141. }
  1142. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1143. if ((s_saiHandle[3][0]) && ((I2S3->TCSR & kSAI_FIFORequestFlag) || (I2S3->TCSR & kSAI_FIFOErrorFlag)) &&
  1144. ((I2S3->TCSR & kSAI_FIFORequestInterruptEnable) || (I2S3->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1145. #else
  1146. if ((s_saiHandle[3][0]) && ((I2S3->TCSR & kSAI_FIFOWarningFlag) || (I2S3->TCSR & kSAI_FIFOErrorFlag)) &&
  1147. ((I2S3->TCSR & kSAI_FIFOWarningInterruptEnable) || (I2S3->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1148. #endif
  1149. {
  1150. s_saiTxIsr(I2S3, s_saiHandle[3][0]);
  1151. }
  1152. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1153. exception return operation might vector to incorrect interrupt */
  1154. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1155. __DSB();
  1156. #endif
  1157. }
  1158. void I2S3_Tx_DriverIRQHandler(void)
  1159. {
  1160. assert(s_saiHandle[3][0]);
  1161. s_saiTxIsr(I2S3, s_saiHandle[3][0]);
  1162. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1163. exception return operation might vector to incorrect interrupt */
  1164. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1165. __DSB();
  1166. #endif
  1167. }
  1168. void I2S3_Rx_DriverIRQHandler(void)
  1169. {
  1170. assert(s_saiHandle[3][1]);
  1171. s_saiRxIsr(I2S3, s_saiHandle[3][1]);
  1172. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1173. exception return operation might vector to incorrect interrupt */
  1174. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1175. __DSB();
  1176. #endif
  1177. }
  1178. #endif /* I2S3*/
  1179. #if defined(AUDIO__SAI0)
  1180. void AUDIO_SAI0_INT_DriverIRQHandler(void)
  1181. {
  1182. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1183. if ((s_saiHandle[0][1]) &&
  1184. ((AUDIO__SAI0->RCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI0->RCSR & kSAI_FIFOErrorFlag)) &&
  1185. ((AUDIO__SAI0->RCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI0->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1186. #else
  1187. if ((s_saiHandle[0][1]) &&
  1188. ((AUDIO__SAI0->RCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI0->RCSR & kSAI_FIFOErrorFlag)) &&
  1189. ((AUDIO__SAI0->RCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI0->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1190. #endif
  1191. {
  1192. s_saiRxIsr(AUDIO__SAI0, s_saiHandle[0][1]);
  1193. }
  1194. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1195. if ((s_saiHandle[0][0]) &&
  1196. ((AUDIO__SAI0->TCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI0->TCSR & kSAI_FIFOErrorFlag)) &&
  1197. ((AUDIO__SAI0->TCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI0->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1198. #else
  1199. if ((s_saiHandle[0][0]) &&
  1200. ((AUDIO__SAI0->TCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI0->TCSR & kSAI_FIFOErrorFlag)) &&
  1201. ((AUDIO__SAI0->TCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI0->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1202. #endif
  1203. {
  1204. s_saiTxIsr(AUDIO__SAI0, s_saiHandle[0][0]);
  1205. }
  1206. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1207. exception return operation might vector to incorrect interrupt */
  1208. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1209. __DSB();
  1210. #endif
  1211. }
  1212. #endif /* AUDIO__SAI0 */
  1213. #if defined(AUDIO__SAI1)
  1214. void AUDIO_SAI1_INT_DriverIRQHandler(void)
  1215. {
  1216. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1217. if ((s_saiHandle[1][1]) &&
  1218. ((AUDIO__SAI1->RCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI1->RCSR & kSAI_FIFOErrorFlag)) &&
  1219. ((AUDIO__SAI1->RCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI1->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1220. #else
  1221. if ((s_saiHandle[1][1]) &&
  1222. ((AUDIO__SAI1->RCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI1->RCSR & kSAI_FIFOErrorFlag)) &&
  1223. ((AUDIO__SAI1->RCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI1->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1224. #endif
  1225. {
  1226. s_saiRxIsr(AUDIO__SAI1, s_saiHandle[1][1]);
  1227. }
  1228. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1229. if ((s_saiHandle[1][0]) &&
  1230. ((AUDIO__SAI1->TCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI1->TCSR & kSAI_FIFOErrorFlag)) &&
  1231. ((AUDIO__SAI1->TCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI1->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1232. #else
  1233. if ((s_saiHandle[1][0]) &&
  1234. ((AUDIO__SAI1->TCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI1->TCSR & kSAI_FIFOErrorFlag)) &&
  1235. ((AUDIO__SAI1->TCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI1->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1236. #endif
  1237. {
  1238. s_saiTxIsr(AUDIO__SAI1, s_saiHandle[1][0]);
  1239. }
  1240. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1241. exception return operation might vector to incorrect interrupt */
  1242. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1243. __DSB();
  1244. #endif
  1245. }
  1246. #endif /* AUDIO__SAI1 */
  1247. #if defined(AUDIO__SAI2)
  1248. void AUDIO_SAI2_INT_DriverIRQHandler(void)
  1249. {
  1250. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1251. if ((s_saiHandle[2][1]) &&
  1252. ((AUDIO__SAI2->RCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI2->RCSR & kSAI_FIFOErrorFlag)) &&
  1253. ((AUDIO__SAI2->RCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI2->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1254. #else
  1255. if ((s_saiHandle[2][1]) &&
  1256. ((AUDIO__SAI2->RCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI2->RCSR & kSAI_FIFOErrorFlag)) &&
  1257. ((AUDIO__SAI2->RCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI2->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1258. #endif
  1259. {
  1260. s_saiRxIsr(AUDIO__SAI2, s_saiHandle[2][1]);
  1261. }
  1262. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1263. if ((s_saiHandle[2][0]) &&
  1264. ((AUDIO__SAI2->TCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI2->TCSR & kSAI_FIFOErrorFlag)) &&
  1265. ((AUDIO__SAI2->TCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI2->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1266. #else
  1267. if ((s_saiHandle[2][0]) &&
  1268. ((AUDIO__SAI2->TCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI2->TCSR & kSAI_FIFOErrorFlag)) &&
  1269. ((AUDIO__SAI2->TCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI2->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1270. #endif
  1271. {
  1272. s_saiTxIsr(AUDIO__SAI2, s_saiHandle[2][0]);
  1273. }
  1274. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1275. exception return operation might vector to incorrect interrupt */
  1276. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1277. __DSB();
  1278. #endif
  1279. }
  1280. #endif /* AUDIO__SAI2 */
  1281. #if defined(AUDIO__SAI3)
  1282. void AUDIO_SAI3_INT_DriverIRQHandler(void)
  1283. {
  1284. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1285. if ((s_saiHandle[3][1]) &&
  1286. ((AUDIO__SAI3->RCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI3->RCSR & kSAI_FIFOErrorFlag)) &&
  1287. ((AUDIO__SAI3->RCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI3->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1288. #else
  1289. if ((s_saiHandle[3][1]) &&
  1290. ((AUDIO__SAI3->RCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI3->RCSR & kSAI_FIFOErrorFlag)) &&
  1291. ((AUDIO__SAI3->RCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI3->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1292. #endif
  1293. {
  1294. s_saiRxIsr(AUDIO__SAI3, s_saiHandle[3][1]);
  1295. }
  1296. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1297. if ((s_saiHandle[3][0]) &&
  1298. ((AUDIO__SAI3->TCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI3->TCSR & kSAI_FIFOErrorFlag)) &&
  1299. ((AUDIO__SAI3->TCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI3->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1300. #else
  1301. if ((s_saiHandle[3][0]) &&
  1302. ((AUDIO__SAI3->TCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI3->TCSR & kSAI_FIFOErrorFlag)) &&
  1303. ((AUDIO__SAI3->TCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI3->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1304. #endif
  1305. {
  1306. s_saiTxIsr(AUDIO__SAI3, s_saiHandle[3][0]);
  1307. }
  1308. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1309. exception return operation might vector to incorrect interrupt */
  1310. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1311. __DSB();
  1312. #endif
  1313. }
  1314. #endif
  1315. #if defined(AUDIO__SAI6)
  1316. void AUDIO_SAI6_INT_DriverIRQHandler(void)
  1317. {
  1318. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1319. if ((s_saiHandle[6][1]) &&
  1320. ((AUDIO__SAI6->RCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI6->RCSR & kSAI_FIFOErrorFlag)) &&
  1321. ((AUDIO__SAI6->RCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI6->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1322. #else
  1323. if ((s_saiHandle[6][1]) &&
  1324. ((AUDIO__SAI6->RCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI6->RCSR & kSAI_FIFOErrorFlag)) &&
  1325. ((AUDIO__SAI6->RCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI6->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1326. #endif
  1327. {
  1328. s_saiRxIsr(AUDIO__SAI6, s_saiHandle[6][1]);
  1329. }
  1330. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1331. if ((s_saiHandle[6][0]) &&
  1332. ((AUDIO__SAI6->TCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI6->TCSR & kSAI_FIFOErrorFlag)) &&
  1333. ((AUDIO__SAI6->TCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI6->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1334. #else
  1335. if ((s_saiHandle[6][0]) &&
  1336. ((AUDIO__SAI6->TCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI6->TCSR & kSAI_FIFOErrorFlag)) &&
  1337. ((AUDIO__SAI6->TCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI6->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1338. #endif
  1339. {
  1340. s_saiTxIsr(AUDIO__SAI6, s_saiHandle[6][0]);
  1341. }
  1342. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1343. exception return operation might vector to incorrect interrupt */
  1344. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1345. __DSB();
  1346. #endif
  1347. }
  1348. #endif /* AUDIO__SAI6 */
  1349. #if defined(AUDIO__SAI7)
  1350. void AUDIO_SAI7_INT_DriverIRQHandler(void)
  1351. {
  1352. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1353. if ((s_saiHandle[7][1]) &&
  1354. ((AUDIO__SAI7->RCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI7->RCSR & kSAI_FIFOErrorFlag)) &&
  1355. ((AUDIO__SAI7->RCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI7->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1356. #else
  1357. if ((s_saiHandle[7][1]) &&
  1358. ((AUDIO__SAI7->RCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI7->RCSR & kSAI_FIFOErrorFlag)) &&
  1359. ((AUDIO__SAI7->RCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI7->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1360. #endif
  1361. {
  1362. s_saiRxIsr(AUDIO__SAI7, s_saiHandle[7][1]);
  1363. }
  1364. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1365. if ((s_saiHandle[7][0]) &&
  1366. ((AUDIO__SAI7->TCSR & kSAI_FIFORequestFlag) || (AUDIO__SAI7->TCSR & kSAI_FIFOErrorFlag)) &&
  1367. ((AUDIO__SAI7->TCSR & kSAI_FIFORequestInterruptEnable) || (AUDIO__SAI7->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1368. #else
  1369. if ((s_saiHandle[7][0]) &&
  1370. ((AUDIO__SAI7->TCSR & kSAI_FIFOWarningFlag) || (AUDIO__SAI7->TCSR & kSAI_FIFOErrorFlag)) &&
  1371. ((AUDIO__SAI7->TCSR & kSAI_FIFOWarningInterruptEnable) || (AUDIO__SAI7->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1372. #endif
  1373. {
  1374. s_saiTxIsr(AUDIO__SAI7, s_saiHandle[7][0]);
  1375. }
  1376. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1377. exception return operation might vector to incorrect interrupt */
  1378. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1379. __DSB();
  1380. #endif
  1381. }
  1382. #endif /* AUDIO__SAI7 */
  1383. #if defined(SAI0)
  1384. void SAI0_DriverIRQHandler(void)
  1385. {
  1386. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1387. if ((s_saiHandle[0][1]) && ((SAI0->RCSR & kSAI_FIFORequestFlag) || (SAI0->RCSR & kSAI_FIFOErrorFlag)) &&
  1388. ((SAI0->RCSR & kSAI_FIFORequestInterruptEnable) || (SAI0->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1389. #else
  1390. if ((s_saiHandle[0][1]) && ((SAI0->RCSR & kSAI_FIFOWarningFlag) || (SAI0->RCSR & kSAI_FIFOErrorFlag)) &&
  1391. ((SAI0->RCSR & kSAI_FIFOWarningInterruptEnable) || (SAI0->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1392. #endif
  1393. {
  1394. s_saiRxIsr(SAI0, s_saiHandle[0][1]);
  1395. }
  1396. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1397. if ((s_saiHandle[0][0]) && ((SAI0->TCSR & kSAI_FIFORequestFlag) || (SAI0->TCSR & kSAI_FIFOErrorFlag)) &&
  1398. ((SAI0->TCSR & kSAI_FIFORequestInterruptEnable) || (SAI0->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1399. #else
  1400. if ((s_saiHandle[0][0]) && ((SAI0->TCSR & kSAI_FIFOWarningFlag) || (SAI0->TCSR & kSAI_FIFOErrorFlag)) &&
  1401. ((SAI0->TCSR & kSAI_FIFOWarningInterruptEnable) || (SAI0->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1402. #endif
  1403. {
  1404. s_saiTxIsr(AUDIO__SAI0, s_saiHandle[0][0]);
  1405. }
  1406. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1407. exception return operation might vector to incorrect interrupt */
  1408. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1409. __DSB();
  1410. #endif
  1411. }
  1412. #endif /* SAI0 */
  1413. #if defined(SAI1)
  1414. void SAI1_DriverIRQHandler(void)
  1415. {
  1416. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1417. if ((s_saiHandle[1][1]) && ((SAI1->RCSR & kSAI_FIFORequestFlag) || (SAI1->RCSR & kSAI_FIFOErrorFlag)) &&
  1418. ((SAI1->RCSR & kSAI_FIFORequestInterruptEnable) || (SAI1->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1419. #else
  1420. if ((s_saiHandle[1][1]) && ((SAI1->RCSR & kSAI_FIFOWarningFlag) || (SAI1->RCSR & kSAI_FIFOErrorFlag)) &&
  1421. ((SAI1->RCSR & kSAI_FIFOWarningInterruptEnable) || (SAI1->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1422. #endif
  1423. {
  1424. s_saiRxIsr(SAI1, s_saiHandle[1][1]);
  1425. }
  1426. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1427. if ((s_saiHandle[1][0]) && ((SAI1->TCSR & kSAI_FIFORequestFlag) || (SAI1->TCSR & kSAI_FIFOErrorFlag)) &&
  1428. ((SAI1->TCSR & kSAI_FIFORequestInterruptEnable) || (SAI1->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1429. #else
  1430. if ((s_saiHandle[1][0]) && ((SAI1->TCSR & kSAI_FIFOWarningFlag) || (SAI1->TCSR & kSAI_FIFOErrorFlag)) &&
  1431. ((SAI1->TCSR & kSAI_FIFOWarningInterruptEnable) || (SAI1->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1432. #endif
  1433. {
  1434. s_saiTxIsr(SAI1, s_saiHandle[1][0]);
  1435. }
  1436. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1437. exception return operation might vector to incorrect interrupt */
  1438. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1439. __DSB();
  1440. #endif
  1441. }
  1442. #endif /* SAI1 */
  1443. #if defined(SAI2)
  1444. void SAI2_DriverIRQHandler(void)
  1445. {
  1446. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1447. if ((s_saiHandle[2][1]) && ((SAI2->RCSR & kSAI_FIFORequestFlag) || (SAI2->RCSR & kSAI_FIFOErrorFlag)) &&
  1448. ((SAI2->RCSR & kSAI_FIFORequestInterruptEnable) || (SAI2->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1449. #else
  1450. if ((s_saiHandle[2][1]) && ((SAI2->RCSR & kSAI_FIFOWarningFlag) || (SAI2->RCSR & kSAI_FIFOErrorFlag)) &&
  1451. ((SAI2->RCSR & kSAI_FIFOWarningInterruptEnable) || (SAI2->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1452. #endif
  1453. {
  1454. s_saiRxIsr(SAI2, s_saiHandle[2][1]);
  1455. }
  1456. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1457. if ((s_saiHandle[2][0]) && ((SAI2->TCSR & kSAI_FIFORequestFlag) || (SAI2->TCSR & kSAI_FIFOErrorFlag)) &&
  1458. ((SAI2->TCSR & kSAI_FIFORequestInterruptEnable) || (SAI2->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1459. #else
  1460. if ((s_saiHandle[2][0]) && ((SAI2->TCSR & kSAI_FIFOWarningFlag) || (SAI2->TCSR & kSAI_FIFOErrorFlag)) &&
  1461. ((SAI2->TCSR & kSAI_FIFOWarningInterruptEnable) || (SAI2->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1462. #endif
  1463. {
  1464. s_saiTxIsr(SAI2, s_saiHandle[2][0]);
  1465. }
  1466. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1467. exception return operation might vector to incorrect interrupt */
  1468. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1469. __DSB();
  1470. #endif
  1471. }
  1472. #endif /* SAI2 */
  1473. #if defined(SAI3)
  1474. void SAI3_DriverIRQHandler(void)
  1475. {
  1476. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1477. if ((s_saiHandle[3][1]) && ((SAI3->RCSR & kSAI_FIFORequestFlag) || (SAI3->RCSR & kSAI_FIFOErrorFlag)) &&
  1478. ((SAI3->RCSR & kSAI_FIFORequestInterruptEnable) || (SAI3->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1479. #else
  1480. if ((s_saiHandle[3][1]) && ((SAI3->RCSR & kSAI_FIFOWarningFlag) || (SAI3->RCSR & kSAI_FIFOErrorFlag)) &&
  1481. ((SAI3->RCSR & kSAI_FIFOWarningInterruptEnable) || (SAI3->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1482. #endif
  1483. {
  1484. s_saiRxIsr(SAI3, s_saiHandle[3][1]);
  1485. }
  1486. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1487. if ((s_saiHandle[3][0]) && ((SAI3->TCSR & kSAI_FIFORequestFlag) || (SAI3->TCSR & kSAI_FIFOErrorFlag)) &&
  1488. ((SAI3->TCSR & kSAI_FIFORequestInterruptEnable) || (SAI3->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1489. #else
  1490. if ((s_saiHandle[3][0]) && ((SAI3->TCSR & kSAI_FIFOWarningFlag) || (SAI3->TCSR & kSAI_FIFOErrorFlag)) &&
  1491. ((SAI3->TCSR & kSAI_FIFOWarningInterruptEnable) || (SAI3->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1492. #endif
  1493. {
  1494. s_saiTxIsr(SAI3, s_saiHandle[3][0]);
  1495. }
  1496. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1497. exception return operation might vector to incorrect interrupt */
  1498. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1499. __DSB();
  1500. #endif
  1501. }
  1502. #endif /* SAI3 */
  1503. #if defined(SAI4)
  1504. void SAI4_DriverIRQHandler(void)
  1505. {
  1506. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1507. if ((s_saiHandle[4][1]) && ((SAI4->RCSR & kSAI_FIFORequestFlag) || (SAI4->RCSR & kSAI_FIFOErrorFlag)) &&
  1508. ((SAI4->RCSR & kSAI_FIFORequestInterruptEnable) || (SAI4->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1509. #else
  1510. if ((s_saiHandle[4][1]) && ((SAI4->RCSR & kSAI_FIFOWarningFlag) || (SAI4->RCSR & kSAI_FIFOErrorFlag)) &&
  1511. ((SAI4->RCSR & kSAI_FIFOWarningInterruptEnable) || (SAI4->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1512. #endif
  1513. {
  1514. s_saiRxIsr(SAI4, s_saiHandle[4][1]);
  1515. }
  1516. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1517. if ((s_saiHandle[4][0]) && ((SAI4->TCSR & kSAI_FIFORequestFlag) || (SAI4->TCSR & kSAI_FIFOErrorFlag)) &&
  1518. ((SAI4->TCSR & kSAI_FIFORequestInterruptEnable) || (SAI4->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1519. #else
  1520. if ((s_saiHandle[4][0]) && ((SAI4->TCSR & kSAI_FIFOWarningFlag) || (SAI4->TCSR & kSAI_FIFOErrorFlag)) &&
  1521. ((SAI4->TCSR & kSAI_FIFOWarningInterruptEnable) || (SAI4->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1522. #endif
  1523. {
  1524. s_saiTxIsr(SAI4, s_saiHandle[4][0]);
  1525. }
  1526. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1527. exception return operation might vector to incorrect interrupt */
  1528. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1529. __DSB();
  1530. #endif
  1531. }
  1532. #endif /* SAI4 */
  1533. #if defined(SAI5)
  1534. void SAI5_DriverIRQHandler(void)
  1535. {
  1536. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1537. if ((s_saiHandle[5][1]) && ((SAI5->RCSR & kSAI_FIFORequestFlag) || (SAI5->RCSR & kSAI_FIFOErrorFlag)) &&
  1538. ((SAI5->RCSR & kSAI_FIFORequestInterruptEnable) || (SAI5->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1539. #else
  1540. if ((s_saiHandle[5][1]) && ((SAI5->RCSR & kSAI_FIFOWarningFlag) || (SAI5->RCSR & kSAI_FIFOErrorFlag)) &&
  1541. ((SAI5->RCSR & kSAI_FIFOWarningInterruptEnable) || (SAI5->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1542. #endif
  1543. {
  1544. s_saiRxIsr(SAI5, s_saiHandle[5][1]);
  1545. }
  1546. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1547. if ((s_saiHandle[5][0]) && ((SAI5->TCSR & kSAI_FIFORequestFlag) || (SAI5->TCSR & kSAI_FIFOErrorFlag)) &&
  1548. ((SAI5->TCSR & kSAI_FIFORequestInterruptEnable) || (SAI5->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1549. #else
  1550. if ((s_saiHandle[5][0]) && ((SAI5->TCSR & kSAI_FIFOWarningFlag) || (SAI5->TCSR & kSAI_FIFOErrorFlag)) &&
  1551. ((SAI5->TCSR & kSAI_FIFOWarningInterruptEnable) || (SAI5->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1552. #endif
  1553. {
  1554. s_saiTxIsr(SAI5, s_saiHandle[5][0]);
  1555. }
  1556. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1557. exception return operation might vector to incorrect interrupt */
  1558. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1559. __DSB();
  1560. #endif
  1561. }
  1562. #endif /* SAI5 */
  1563. #if defined(SAI6)
  1564. void SAI6_DriverIRQHandler(void)
  1565. {
  1566. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1567. if ((s_saiHandle[6][1]) && ((SAI6->RCSR & kSAI_FIFORequestFlag) || (SAI6->RCSR & kSAI_FIFOErrorFlag)) &&
  1568. ((SAI6->RCSR & kSAI_FIFORequestInterruptEnable) || (SAI6->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1569. #else
  1570. if ((s_saiHandle[6][1]) && ((SAI6->RCSR & kSAI_FIFOWarningFlag) || (SAI6->RCSR & kSAI_FIFOErrorFlag)) &&
  1571. ((SAI6->RCSR & kSAI_FIFOWarningInterruptEnable) || (SAI6->RCSR & kSAI_FIFOErrorInterruptEnable)))
  1572. #endif
  1573. {
  1574. s_saiRxIsr(SAI6, s_saiHandle[6][1]);
  1575. }
  1576. #if defined(FSL_FEATURE_SAI_FIFO_COUNT) && (FSL_FEATURE_SAI_FIFO_COUNT > 1)
  1577. if ((s_saiHandle[6][0]) && ((SAI6->TCSR & kSAI_FIFORequestFlag) || (SAI6->TCSR & kSAI_FIFOErrorFlag)) &&
  1578. ((SAI6->TCSR & kSAI_FIFORequestInterruptEnable) || (SAI6->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1579. #else
  1580. if ((s_saiHandle[6][0]) && ((SAI6->TCSR & kSAI_FIFOWarningFlag) || (SAI6->TCSR & kSAI_FIFOErrorFlag)) &&
  1581. ((SAI6->TCSR & kSAI_FIFOWarningInterruptEnable) || (SAI6->TCSR & kSAI_FIFOErrorInterruptEnable)))
  1582. #endif
  1583. {
  1584. s_saiTxIsr(SAI6, s_saiHandle[6][0]);
  1585. }
  1586. /* Add for ARM errata 838869, affects Cortex-M4, Cortex-M4F Store immediate overlapping
  1587. exception return operation might vector to incorrect interrupt */
  1588. #if defined __CORTEX_M && (__CORTEX_M == 4U)
  1589. __DSB();
  1590. #endif
  1591. }
  1592. #endif /* SAI6 */