1 /*\r
2 * Copyright (c) 2017, Texas Instruments Incorporated\r
3 * All rights reserved.\r
4 *\r
5 * Redistribution and use in source and binary forms, with or without\r
6 * modification, are permitted provided that the following conditions\r
7 * are met:\r
8 *\r
9 * * Redistributions of source code must retain the above copyright\r
10 * notice, this list of conditions and the following disclaimer.\r
11 *\r
12 * * Redistributions in binary form must reproduce the above copyright\r
13 * notice, this list of conditions and the following disclaimer in the\r
14 * documentation and/or other materials provided with the distribution.\r
15 *\r
16 * * Neither the name of Texas Instruments Incorporated nor the names of\r
17 * its contributors may be used to endorse or promote products derived\r
18 * from this software without specific prior written permission.\r
19 *\r
20 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"\r
21 * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO,\r
22 * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR\r
23 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR\r
24 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL,\r
25 * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO,\r
26 * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS;\r
27 * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,\r
28 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR\r
29 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE,\r
30 * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.\r
31 *\r
32 */\r
33 \r
34 /**\r
35 * \file mcasp_config.c\r
36 *\r
37 * \brief Configures McASP module\r
38 *\r
39 */\r
40 \r
41 #include "fil.h" /* FILE I/O implementation */\r
42 #include "sys.h" /* System API and structures */\r
43 #include "sysbfflt.h" /* System support for BF filters */\r
44 \r
45 #include "mcasp_cfg.h"\r
46 #include "cmb.h"\r
47 \r
48 \r
49 /* The infamous xdc/std.h must come before any header file which uses XDC symbols */\r
50 #include <xdc/std.h> /* mandatory - have to include first, for BIOS types */\r
51 #include <ti/mas/types/types.h>\r
52 #include <ti/mas/aer/bf.h>\r
53 #include "../../../common/components/mss/mss.h" /* local version used */\r
54 #include <ti/mas/vpe/asnr.h>\r
55 #if (SYS_USE_DRC)\r
56 #include <ti/mas/vau/vau.h>\r
57 #include <ti/mas/aer/drc.h>\r
58 #endif\r
59 \r
60 /*----------------------------------------\r
61 * BIOS header files\r
62 *----------------------------------------*/\r
63 #include <ti/sysbios/BIOS.h> /* mandatory - if you call APIs like BIOS_start() */\r
64 #include <xdc/cfg/global.h> /* header file for statically defined objects/handles */\r
65 #include <xdc/runtime/System.h> /* for System_printf, and similar */\r
66 #include <xdc/runtime/Timestamp.h> /* for benchmarking/profiling */\r
67 \r
68 #include <xdc/runtime/Log.h> /* for tracing */\r
69 #include <xdc/runtime/Diags.h>\r
70 #include <ti/uia/events/UIAEvt.h> /* and more tracing */\r
71 \r
72 #include <ti/sysbios/knl/Semaphore.h> /* this looks obvious */\r
73 \r
74 #include "ti/drv/uart/UART_stdio.h"\r
75 \r
76 #define Timestamp_get Timestamp_get32 /* use 32-bit time stamps */\r
77 \r
78 #define MIN(a,b) (((a)>(b))?(b):(a)) /* Min/Max macros */\r
79 #define MAX(a,b) (((a)<(b))?(b):(a))\r
80 #define loop while(1) /* endless loop for the task */\r
81 \r
82 \r
83 /* Frame index for Rx and Tx buffers */\r
84 uint8_t rxFrameIndex = 1;\r
85 uint8_t txFrameIndex = 1;\r
86 uint32_t gtxFrameIndexCount = 0;\r
87 uint32_t grxFrameIndexCount = 0;\r
88 \r
89 /* Flags for counting Rx and Tx interrupts */\r
90 volatile uint32_t rxFlag = 0;\r
91 volatile uint32_t txFlag = 0;\r
92 \r
93 /* Semaphore handle for Tx and Rx */\r
94 Semaphore_Handle semR;\r
95 Semaphore_Handle semT;\r
96 Semaphore_Params params;\r
97 \r
98 /* McASP device handles */\r
99 Ptr hMcaspDevTx;\r
100 Ptr hMcaspDevRx;\r
101 \r
102 /* McASP channel handles */\r
103 Ptr hMcaspTxChan;\r
104 Ptr hMcaspRxChan;\r
105 \r
106 /* McASP channel parameters */\r
107 Mcasp_Params mcaspTxParams;\r
108 Mcasp_Params mcaspRxParams;\r
109 \r
110 /* McASP Callback function argument */\r
111 uint32_t txChanMode;\r
112 uint32_t rxChanMode;\r
113 uint32_t mcaspRxChanArg = 1;\r
114 uint32_t mcaspTxChanArg = 2;\r
115 \r
116 /* McASP Tx and Rx frame buffers */\r
117 MCASP_Packet rxFrame[NUM_BUFS];\r
118 MCASP_Packet txFrame[NUM_BUFS];\r
119 \r
120 /* McASP Tx and Rx frame buffer pointers */\r
121 Ptr txBuf[NUM_BUFS];\r
122 Ptr rxBuf[NUM_BUFS];\r
123 Ptr wkBuf[NUM_BUFS];\r
124 Ptr outBuf[NUM_BUFS];\r
125 \r
126 /* channel 0 (serilizer 1 left) - mic1 */\r
127 /* channel 1 (serilizer 1 right) - mic2 */\r
128 /* channel 2 (serilizer 2 left) - mic5 */\r
129 /* channel 3 (serilizer 2 right) - mic6 */\r
130 /* channel 4 (serilizer 3 left) - mic3 */\r
131 /* channel 5 (serilizer 3 right) - mic4 */\r
132 /* channel 6 (serilizer 4 left) - mic8 */\r
133 /* channel 7 (serilizer 4 right) - mic7 */\r
134 int chanToMicMapping[8] = {0, 1, 4, 5, 3, 2, 7, 6};\r
135 \r
136 /* Error flag */\r
137 uint32_t gblErrFlag = 0;\r
138 Error_Block eb;\r
139 \r
140 /* External function declarations */\r
141 void GblErr(int arg);\r
142 signed char* getGlobalAddr(signed char* addr);\r
143 \r
144 /* McASP HW setup for receive */\r
145 Mcasp_HwSetupData mcaspRcvSetup = {\r
146 /* .rmask = */ 0xFFFFFFFF, /* 16 bits are to be used */\r
147 /* .rfmt = */ 0x000180F0, /*\r
148 * 1 bit delay from framesync\r
149 * MSB first\r
150 * No extra bit padding\r
151 * Padding bit (ignore)\r
152 * slot Size is 32\r
153 * Reads from DMA port\r
154 * NO rotation\r
155 */\r
156 /* .afsrctl = */ 0X00000111, /* I2S mode - 2 slot TDM\r
157 * Frame sync is one word\r
158 * Externally generated frame sync\r
159 * Falling edge is start of frame\r
160 */\r
161 /* .rtdm = */ 0x00000003, /* slot 1 and 2 are active (I2S) */\r
162 /* .rintctl = */ 0x00000000, /* sync error and overrun error */\r
163 /* .rstat = */ 0x000001FF, /* reset any existing status bits */\r
164 /* .revtctl = */ 0x00000000, /* DMA request is enabled */\r
165 {\r
166 /* .aclkrctl = */ 0x00000080, /* Bit CLK Pol: falling edge, ACLKR is external */\r
167 /* .ahclkrctl = */ 0x00000000, /* AHCLKR is external */\r
168 /* .rclkchk = */ 0x00000000\r
169 }\r
170 };\r
171 \r
172 /* McASP HW setup for transmit */\r
173 #if (CMB_AUDIO_DAC)\r
174 Mcasp_HwSetupData mcaspXmtSetup = {\r
175 /* .xmask = */ 0xFFFFFFFF, /* 16 bits are to be used */\r
176 /* .xfmt = */ 0x000180F0, /*\r
177 * 1 bit delay from framesync\r
178 * MSB first\r
179 * No extra bit padding\r
180 * Padding bit (ignore)\r
181 * slot Size is 32\r
182 * Reads from DMA port\r
183 * NO rotation\r
184 */\r
185 /* .afsxctl = */ 0x00000113, /* I2S mode - 2 slot TDM\r
186 * Frame sync is one word\r
187 * Falling edge is start of frame\r
188 * Externally generated frame sync\r
189 */\r
190 /* .xtdm = */ 0x00000003, /* slot 1 and 2 are active (I2S) */\r
191 /* .xintctl = */ 0x00000000, /* sync error,overrun error,clK error */\r
192 /* .xstat = */ 0x000001FF, /* reset any existing status bits */\r
193 /* .xevtctl = */ 0x00000000, /* DMA request is enabled or disabled */\r
194 {\r
195 /* .aclkxctl = */ 0X000000E3, /* Bit CLK Pol: falling edge, ASYNC is 1, ACLKX is internal, HF CLK to BCLK divider is 4 */\r
196 /* .ahclkxctl = */ 0x00000000, /* AHCLKX is external */\r
197 /* .xclkchk = */ 0x00000000\r
198 },\r
199 \r
200 };\r
201 #endif\r
202 \r
203 /* McAsp channel parameters for receive */\r
204 Mcasp_ChanParams mcaspRxChanParam =\r
205 {\r
206 0x0004, /* number of serializers */\r
207 {Mcasp_SerializerNum_0,\r
208 Mcasp_SerializerNum_1,\r
209 Mcasp_SerializerNum_2,\r
210 Mcasp_SerializerNum_3 }, /* serializer index */\r
211 &mcaspRcvSetup,\r
212 TRUE,\r
213 Mcasp_OpMode_TDM, /* Mode (TDM/DIT) */\r
214 Mcasp_WordLength_32,\r
215 NULL,\r
216 0,\r
217 NULL,\r
218 GblErr,\r
219 2, /* number of TDM channels */\r
220 ///Mcasp_BufferFormat_MULTISER_MULTISLOT_SEMI_INTERLEAVED_1,\r
221 Mcasp_BufferFormat_MULTISER_MULTISLOT_SEMI_INTERLEAVED_2,\r
222 TRUE,\r
223 TRUE\r
224 };\r
225 \r
226 #if (CMB_AUDIO_DAC)\r
227 /* McAsp channel parameters for transmit */\r
228 Mcasp_ChanParams mcaspTxChanParam =\r
229 {\r
230 0x0001, /* number of serializers */\r
231 {Mcasp_SerializerNum_2,}, /* serializer index for DAC0 */\r
232 &mcaspXmtSetup,\r
233 TRUE,\r
234 Mcasp_OpMode_TDM,\r
235 Mcasp_WordLength_32, /* word width */\r
236 NULL,\r
237 0,\r
238 NULL,\r
239 GblErr,\r
240 2, /* number of TDM channels */\r
241 Mcasp_BufferFormat_1SER_MULTISLOT_INTERLEAVED,\r
242 ///Mcasp_BufferFormat_1SER_MULTISLOT_NON_INTERLEAVED,\r
243 TRUE,\r
244 TRUE\r
245 };\r
246 #endif\r
247 \r
248 #if (SYS_USE_DRC)\r
249 /* Output frame for MSS, input for DRC */\r
250 #pragma DATA_ALIGN(txOutFrame1,8)\r
251 linSample txOutFrame1[SYS_FRAME_LENGTH];\r
252 \r
253 /* Output frame for DRC, input for VAU */\r
254 #pragma DATA_ALIGN(txOutFrame2,8)\r
255 linSample txOutFrame2[SYS_FRAME_LENGTH];\r
256 #endif\r
257 \r
258 typedef struct txBfDebug_stc {\r
259 tulong frmcnt; /* normal frames */\r
260 tulong silcnt; /* silence frames */\r
261 tuint invsrc; /* no mic active, invalid output */\r
262 tuint invopt; /* >1 mic active, invalid output */\r
263 } txBfDebug_t;\r
264 \r
265 typedef struct txTaskDebug_stc {\r
266 tuint overrun; /* counts how many times we ran out of MIPS */\r
267 txBfDebug_t bf[SYS_VMICS_MAX]; /* beamformer statistics */\r
268 } txTaskDebug_t;\r
269 \r
270 txTaskDebug_t txTaskDebug; /* Tx task debug stats */\r
271 \r
272 /* Profiling/benchmarking information for the Tx task */\r
273 typedef struct txTaskProfileData_stc {\r
274 tulong min; /* Minimum number of cycles */\r
275 tulong max; /* Maximum number of cycles */\r
276 tulong n; /* Number of measurements */\r
277 float total; /* Total number of cycles */\r
278 } txTaskProfileData_t;\r
279 \r
280 typedef struct txTaskProfile_stc {\r
281 txTaskProfileData_t bf; /* Beamformer profile */\r
282 txTaskProfileData_t asnr; /* ASNR profile */\r
283 txTaskProfileData_t mss; /* MSS profile */\r
284 txTaskProfileData_t drc; /* DRC profile */\r
285 txTaskProfileData_t vau; /* VAU profile */\r
286 } txTaskProfile_t;\r
287 volatile txTaskProfile_t txTaskProfile = {\r
288 {~(0uL), 0, 0, 0.0f},\r
289 {~(0uL), 0, 0, 0.0f},\r
290 {~(0uL), 0, 0, 0.0f},\r
291 {~(0uL), 0, 0, 0.0f},\r
292 {~(0uL), 0, 0, 0.0f}\r
293 };\r
294 \r
295 /* To be used for debug trace */\r
296 mssSrc_t mssDbgCurSrc = {\r
297 -1, -1 /* Current source group/index */\r
298 };\r
299 mssSrc_t mssDbgNewSrc = {\r
300 -1, -1 /* New source group/index */\r
301 };\r
302 \r
303 /* Handle to eDMA */\r
304 extern EDMA3_DRV_Handle hEdma1;\r
305 \r
306 /**\r
307 * \brief Function called by McASP driver in case of error\r
308 *\r
309 * \return None\r
310 */\r
311 void GblErr(int arg)\r
312 {\r
313 gblErrFlag = 1;\r
314 }\r
315 \r
316 /**\r
317 * \brief McASP callback function called up on the data transfer completion\r
318 *\r
319 * \param arg [IN] - Application specific callback argument\r
320 * \param ioBuf [IN] - McASP IO buffer\r
321 *\r
322 * \return None\r
323 */\r
324 void mcaspAppCallback(void *arg, MCASP_Packet *ioBuf)\r
325 {\r
326 /* Callback is triggered by Rx completion */\r
327 if(ioBuf->cmd == MCASP_READ)\r
328 {\r
329 rxFlag++;\r
330 \r
331 if(rxFrameIndex == 0)\r
332 {\r
333 rxFrameIndex = 1;\r
334 }\r
335 else\r
336 {\r
337 rxFrameIndex = 0;\r
338 }\r
339 \r
340 /* Post semaphore */\r
341 Semaphore_post(semR);\r
342 }\r
343 \r
344 /* Callback is triggered by Tx completion */\r
345 if(ioBuf->cmd == MCASP_WRITE)\r
346 {\r
347 if(txFrameIndex == 0)\r
348 {\r
349 txFrameIndex = 1;\r
350 }\r
351 else\r
352 {\r
353 txFrameIndex = 0;\r
354 }\r
355 \r
356 txFlag++;\r
357 \r
358 /* Post semaphore */\r
359 Semaphore_post(semT);\r
360 }\r
361 }\r
362 \r
363 /**\r
364 * \brief Initializes McASP data buffers and submits to McASP driver\r
365 *\r
366 * \return Cmb_EOK on Success or error code\r
367 */\r
368 Cmb_STATUS initBuffers(void)\r
369 {\r
370 Error_Block eb;\r
371 uint32_t count = 0;\r
372 IHeap_Handle iheap;\r
373 Int status;\r
374 \r
375 iheap = HeapMem_Handle_to_xdc_runtime_IHeap(heapHandle);\r
376 Error_init(&eb);\r
377 \r
378 /* Allocate buffers for the McASP data exchanges */\r
379 for(count = 0; count < NUM_BUFS; count++)\r
380 {\r
381 rxBuf[count] = Memory_calloc(iheap, (BUFSIZE * RX_NUM_SERIALIZER),\r
382 BUFALIGN, &eb);\r
383 if(NULL == rxBuf[count])\r
384 {\r
385 IFPRINT(cmb_write("\r\nMEM_calloc failed for Rx\n"));\r
386 IFPRINT(UART_printf("\r\nMEM_calloc failed for Rx\n"));\r
387 }\r
388 }\r
389 \r
390 /* Allocate work buffers for signal processing */\r
391 for(count = 0; count < NUM_BUFS; count++)\r
392 {\r
393 wkBuf[count] = Memory_calloc(iheap, (BUFSIZE * RX_NUM_SERIALIZER/(SYS_FS_RATIO*2)),\r
394 BUFALIGN, &eb);\r
395 if(NULL == wkBuf[count])\r
396 {\r
397 IFPRINT(cmb_write("\r\nMEM_calloc failed for Wk\n"));\r
398 IFPRINT(UART_printf("\r\nMEM_calloc failed for Wk\n"));\r
399 }\r
400 }\r
401 \r
402 #if (CMB_AUDIO_DAC)\r
403 /* Allocate buffers for the McASP data exchanges */\r
404 for(count = 0; count < NUM_BUFS; count++)\r
405 {\r
406 txBuf[count] = Memory_calloc(iheap, (BUFSIZE * TX_NUM_SERIALIZER),\r
407 BUFALIGN, &eb);\r
408 if(NULL == txBuf[count])\r
409 {\r
410 IFPRINT(cmb_write("\r\nMEM_calloc failed for Tx\n"));\r
411 IFPRINT(UART_printf("\r\nMEM_calloc failed for Tx\n"));\r
412 }\r
413 }\r
414 \r
415 /* Allocate output buffers for the MSS */\r
416 for(count = 0; count < NUM_BUFS; count++)\r
417 {\r
418 outBuf[count] = Memory_calloc(iheap, (BUFSIZE * TX_NUM_SERIALIZER/(SYS_FS_RATIO*2*2)),\r
419 BUFALIGN, &eb);\r
420 if(NULL == outBuf[count])\r
421 {\r
422 IFPRINT(cmb_write("\r\nMEM_calloc failed for Out\n"));\r
423 IFPRINT(UART_printf("\r\nMEM_calloc failed for Out\n"));\r
424 }\r
425 }\r
426 #endif\r
427 for(count = 0; count < NUM_BUFS; count++)\r
428 {\r
429 /* Issue the first & second empty buffers to the input stream */\r
430 memset((uint8_t *)rxBuf[count], 0xAA, (BUFSIZE * RX_NUM_SERIALIZER));\r
431 memset((uint8_t *)wkBuf[count], 0xBB, (BUFSIZE * RX_NUM_SERIALIZER/(SYS_FS_RATIO*2)));\r
432 \r
433 /* RX frame processing */\r
434 rxFrame[count].cmd = MCASP_READ;\r
435 rxFrame[count].addr = (void*)(getGlobalAddr(rxBuf[count]));\r
436 rxFrame[count].size = BUFSIZE * RX_NUM_SERIALIZER;\r
437 rxFrame[count].arg = (uint32_t) mcaspRxChanArg;\r
438 rxFrame[count].status = 0;\r
439 rxFrame[count].misc = 1; /* reserved - used in callback to indicate asynch packet */\r
440 \r
441 /* Submit McASP packet for Rx */\r
442 status = mcaspSubmitChan(hMcaspRxChan, &rxFrame[count]);\r
443 if((status != MCASP_COMPLETED) && (status != MCASP_PENDING))\r
444 {\r
445 IFPRINT(cmb_write("mcaspSubmitChan for Rx Failed\n"));\r
446 IFPRINT(UART_printf("mcaspSubmitChan for Rx Failed\n"));\r
447 return (Cmb_EFAIL);\r
448 }\r
449 }\r
450 \r
451 #if (CMB_AUDIO_DAC)\r
452 for(count = 0; count < NUM_BUFS; count++)\r
453 {\r
454 memset((uint8_t *)txBuf[count], 0xCC, (BUFSIZE * TX_NUM_SERIALIZER));\r
455 memset((uint8_t *)outBuf[count], 0xDD, (BUFSIZE * TX_NUM_SERIALIZER/(3*2*2)));\r
456 \r
457 /* TX frame processing */\r
458 txFrame[count].cmd = MCASP_WRITE;\r
459 txFrame[count].addr = (void*)(getGlobalAddr(txBuf[count]));\r
460 txFrame[count].size = BUFSIZE * TX_NUM_SERIALIZER;\r
461 txFrame[count].arg = (uint32_t) mcaspTxChanArg;\r
462 txFrame[count].status = 0;\r
463 txFrame[count].misc = 1; /* reserved - used in callback to indicate asynch packet */\r
464 \r
465 /* Submit McASP packet for Tx */\r
466 status = mcaspSubmitChan(hMcaspTxChan, &txFrame[count]);\r
467 if((status != MCASP_COMPLETED) && (status != MCASP_PENDING))\r
468 {\r
469 IFPRINT(cmb_write("mcaspSubmitChan for Tx Failed\n"));\r
470 IFPRINT(UART_printf("mcaspSubmitChan for Tx Failed\n"));\r
471 return (Cmb_EFAIL);\r
472 }\r
473 }\r
474 #endif\r
475 return (Cmb_EOK);\r
476 }\r
477 \r
478 /**\r
479 * \brief Configures McASP module and creates the channel\r
480 * for audio Tx and Rx\r
481 *\r
482 * \return Cmb_EOK on Success or error code\r
483 */\r
484 Cmb_STATUS mcaspAudioConfig(void)\r
485 {\r
486 Int status;\r
487 \r
488 #if (CMB_AUDIO_DAC)\r
489 hMcaspDevTx = NULL;\r
490 hMcaspTxChan = NULL;\r
491 #endif\r
492 hMcaspDevRx = NULL;\r
493 hMcaspRxChan = NULL;\r
494 \r
495 /* Initialize McASP Tx and Rx parameters */\r
496 #if (CMB_AUDIO_DAC)\r
497 mcaspTxParams = Mcasp_PARAMS;\r
498 #endif\r
499 mcaspRxParams = Mcasp_PARAMS;\r
500 \r
501 #if (CMB_AUDIO_DAC)\r
502 mcaspTxParams.mcaspHwSetup.tx.clk.clkSetupClk = 0x63;\r
503 mcaspTxParams.mcaspHwSetup.rx.clk.clkSetupClk = 0x23;\r
504 #endif\r
505 mcaspRxParams.mcaspHwSetup.rx.clk.clkSetupClk = 0x23;\r
506 mcaspRxParams.mcaspHwSetup.tx.clk.clkSetupClk = 0x63;\r
507 \r
508 #if (CMB_AUDIO_DAC)\r
509 mcaspTxParams.mcaspHwSetup.glb.pdir |= 0x2000000; //Set Amute pin as output for Tx channel\r
510 #endif\r
511 \r
512 /* Initialize eDMA handle */\r
513 mcaspRxChanParam.edmaHandle = hEdma1;\r
514 #if (CMB_AUDIO_DAC)\r
515 mcaspTxChanParam.edmaHandle = hEdma1;\r
516 \r
517 /* Bind McASP2 for Tx */\r
518 status = mcaspBindDev(&hMcaspDevTx, CSL_MCASP_2, &mcaspTxParams);\r
519 if((status != MCASP_COMPLETED) || (hMcaspDevTx == NULL))\r
520 {\r
521 IFPRINT(cmb_write("mcaspBindDev for Tx Failed\n"));\r
522 IFPRINT(UART_printf("mcaspBindDev for Tx Failed\n"));\r
523 return (Cmb_EFAIL);\r
524 }\r
525 #endif\r
526 /* Bind McASP1 for Rx */\r
527 status = mcaspBindDev(&hMcaspDevRx, CSL_MCASP_1, &mcaspRxParams);\r
528 if((status != MCASP_COMPLETED) || (hMcaspDevRx == NULL))\r
529 {\r
530 IFPRINT(cmb_write("mcaspBindDev for Rx Failed\n"));\r
531 IFPRINT(UART_printf("mcaspBindDev for Rx Failed\n"));\r
532 return (Cmb_EFAIL);\r
533 }\r
534 \r
535 #if (CMB_AUDIO_DAC)\r
536 /* Create McASP channel for Tx */\r
537 status = mcaspCreateChan(&hMcaspTxChan, hMcaspDevTx,\r
538 MCASP_OUTPUT,\r
539 &mcaspTxChanParam,\r
540 mcaspAppCallback, &txChanMode);\r
541 if((status != MCASP_COMPLETED) || (hMcaspTxChan == NULL))\r
542 {\r
543 IFPRINT(cmb_write("mcaspCreateChan for Tx Failed\n"));\r
544 IFPRINT(UART_printf("mcaspCreateChan for Tx Failed\n"));\r
545 return (Cmb_EFAIL);\r
546 }\r
547 \r
548 configAudioDAC();\r
549 #endif\r
550 \r
551 /* Create McASP channel for Rx */\r
552 status = mcaspCreateChan(&hMcaspRxChan, hMcaspDevRx,\r
553 MCASP_INPUT,\r
554 &mcaspRxChanParam,\r
555 mcaspAppCallback, &rxChanMode);\r
556 if((status != MCASP_COMPLETED) || (hMcaspRxChan == NULL))\r
557 {\r
558 IFPRINT(cmb_write("mcaspCreateChan for Rx Failed\n"));\r
559 IFPRINT(UART_printf("mcaspCreateChan for Rx Failed\n"));\r
560 return (Cmb_EFAIL);\r
561 }\r
562 \r
563 /* Initialize the buffers and submit for McASP Tx/Rx */\r
564 if(initBuffers() != Cmb_EOK)\r
565 {\r
566 IFPRINT(cmb_write("McASP Buffer Initialization Failed\n"));\r
567 IFPRINT(UART_printf("McASP Buffer Initialization Failed\n"));\r
568 return (Cmb_EFAIL);\r
569 }\r
570 \r
571 return (Cmb_EOK);\r
572 }\r
573 \r
574 /**\r
575 * \brief Function to exit the test\r
576 *\r
577 * \return None\r
578 */\r
579 void testRet(uint32_t status)\r
580 {\r
581 cmb_write("\n\nAudio DC Analog Interface Test Completed!\n");\r
582 UART_printf("\n\nAudio DC Analog Interface Test Completed!\n");\r
583 \r
584 testExit(status);\r
585 }\r
586 \r
587 /**\r
588 * \brief Task to echo the input data to output\r
589 *\r
590 * Waits for the McASP data transfer completion and copies the\r
591 * Rx data to Tx buffers\r
592 *\r
593 * \return Cmb_EOK on Success or error code\r
594 */\r
595 #define DUMP_SEC 5\r
596 #define FRAME_PER_SEC 100\r
597 int gAudDumpBufIdx = 0;\r
598 unsigned char gAudDumpBuf[(BUFSIZE*RX_NUM_SERIALIZER)*FRAME_PER_SEC*DUMP_SEC];\r
599 unsigned char gAudOutDumpBuf[(BUFSIZE*TX_NUM_SERIALIZER)*FRAME_PER_SEC*DUMP_SEC];\r
600 Void Audio_echo_Task(void)\r
601 {\r
602 int32_t i, j, k;\r
603 unsigned char *tempTxPtr, *tempRxPtr, *tempWkPtr;\r
604 unsigned char *tempOutPtr, *tempMicPtr;\r
605 tint nmics, nvmics, err, angle;\r
606 volatile tulong t1, t2; /* for profiling */\r
607 tulong delta;\r
608 \r
609 void *inst_p;\r
610 linSample *in_r; /* pointer to current microphone input buffer */\r
611 linSample *frame_p; /* pointer to signal frame */\r
612 linSample *outframe_p; /* Output frame pointer for VAU */\r
613 linSample *mics_in[SYS_MICS_MAX+1]; /* pointers to microphone inputs */\r
614 \r
615 mssDebugStat_t mssDbg;\r
616 \r
617 Semaphore_Params_init(¶ms);\r
618 \r
619 /* Create semaphores to wait for buffer reclaiming */\r
620 semR = Semaphore_create(0, ¶ms, &eb);\r
621 semT = Semaphore_create(0, ¶ms, &eb);\r
622 \r
623 /* Forever loop to continuously receive and transmit audio data */\r
624 while (1)\r
625 {\r
626 if(gblErrFlag)\r
627 {\r
628 break;\r
629 }\r
630 \r
631 /* Reclaim full buffer from the input stream */\r
632 Semaphore_pend(semR, BIOS_WAIT_FOREVER);\r
633 #if (CMB_AUDIO_DAC)\r
634 Semaphore_pend(semT, BIOS_WAIT_FOREVER);\r
635 #endif\r
636 /* Reclaim full buffer from the input stream */\r
637 #if (CMB_AUDIO_DAC)\r
638 gtxFrameIndexCount = txFrameIndex;\r
639 #endif\r
640 grxFrameIndexCount = rxFrameIndex;\r
641 \r
642 #if (CMB_AUDIO_DAC)\r
643 \r
644 #if 0 // Mcasp_BufferFormat_MULTISER_MULTISLOT_SEMI_INTERLEAVED_1\r
645 // copy RX mic 1 to TX left channel and RX mic 5 to right channel\r
646 // set the RX pointer to mic 1\r
647 tempRxPtr = (uint32_t *)rxBuf[grxFrameIndexCount];\r
648 // set the TX pointer to left cahhnel\r
649 tempTxPtr = (uint32_t *)txBuf[gtxFrameIndexCount];\r
650 // copy RX mic 1 to TX left channel\r
651 for (i=0; i<BUFLEN/2; i++)\r
652 {\r
653 // copy the left channel of first serializer to the left channel of TX buffer\r
654 *tempTxPtr = *tempRxPtr;\r
655 tempTxPtr++;\r
656 // copy the left channel of swecond serializer to the right channel of TX buffer\r
657 *tempTxPtr = *(tempRxPtr+BUFLEN+2);\r
658 tempTxPtr++;\r
659 tempRxPtr += RX_NUM_SERIALIZER*2;\r
660 }\r
661 \r
662 #else // Mcasp_BufferFormat_MULTISER_MULTISLOT_SEMI_INTERLEAVED_2\r
663 #if 1 // Signal Processing Path\r
664 // SYS_ADC_FS_HZ to SYS_FS_HZ, 24bit to 16bit conversion\r
665 nmics = sysContext.nmics; /* fetch number of mics */\r
666 // for each channel, convert and copy the RX buffer to WK buffer\r
667 for (j=0; j<(nmics+1); j++)\r
668 {\r
669 // set the RX pointer\r
670 tempRxPtr = (unsigned char *)rxBuf[grxFrameIndexCount] + (j/2)*BUFSIZE + (j&0x00000001)*sizeof(Ptr) + sizeof(short);\r
671 // set the WK pointer\r
672 tempWkPtr = (unsigned char *)wkBuf[grxFrameIndexCount] + j*BUFSIZE/(SYS_FS_RATIO*2*2);\r
673 // convert and copy RX to WK every third sample\r
674 for (i=0; i<BUFLEN/2; i+=SYS_FS_RATIO)\r
675 {\r
676 // only copy the two most significant bytes (Q31 to Q15 conversion)\r
677 memcpy(tempWkPtr, tempRxPtr, sizeof(short));\r
678 tempWkPtr += sizeof(short);\r
679 tempRxPtr += sizeof(Ptr)*2*SYS_FS_RATIO;\r
680 }\r
681 }\r
682 \r
683 // set the sysContext.in_r\r
684 sysContext.in_r = wkBuf[grxFrameIndexCount];\r
685 in_r = (linSample *)sysContext.in_r;\r
686 for (k = 0; k < (nmics+1); k++) {\r
687 mics_in[chanToMicMapping[k]] = &in_r[k*SYS_FRAME_LENGTH]; /* find the frame start for each microphone */\r
688 }\r
689 /* consume samples pointed to by read pointer in_r as provided in misc_in[] */\r
690 \r
691 // BF+ASNR+MSS processing\r
692 /* Here comes a lot of work */\r
693 /* We start with beamformers */\r
694 \r
695 /* Start the beamformers */\r
696 // get the number of virtual mics\r
697 nvmics = sysContext.nvmics;\r
698 t1 = Timestamp_get();\r
699 for (k = 0; k < nvmics; k++) {\r
700 inst_p = sysContext.bfInst_p[k]; /* fetch the bf instance pointer */\r
701 frame_p = sysContext.vmicfrm[k]; /* point to the output frame buffer */\r
702 \r
703 err = bfProcess(inst_p, (void*)&mics_in[0], (void*)frame_p);\r
704 \r
705 if (err != bf_NOERR) {\r
706 SYS_CHECK_ERROR(SYS_ERR_BFERROR);\r
707 }\r
708 } /* for */\r
709 t2 = Timestamp_get();\r
710 delta = t2-t1;\r
711 txTaskProfile.bf.min = MIN(txTaskProfile.bf.min,delta);\r
712 txTaskProfile.bf.max = MAX(txTaskProfile.bf.max,delta);\r
713 txTaskProfile.bf.n++;\r
714 txTaskProfile.bf.total += (float)delta;\r
715 \r
716 /* At this point we have consumed all input samples. Currently we did not implement\r
717 * any protection to prevent the swiDataIn from stepping over while we were doing this.\r
718 * We could let this task to handle the read pointer and SWI to handle write pointer which\r
719 * could be used to detect if such overrun would happen. */\r
720 /* Done with the beamformers */\r
721 \r
722 /* Start ASNR's */\r
723 t1 = Timestamp_get();\r
724 for (k = 0; k < nvmics; k++) {\r
725 inst_p = sysContext.asnrInst_p[k]; /* fetch the bf instance pointer */\r
726 frame_p = sysContext.vmicfrm[k]; /* point to the output frame buffer */\r
727 \r
728 err = asnrProcess(inst_p, (void*)frame_p, (void*)frame_p);\r
729 \r
730 if (err != asnr_NOERR) {\r
731 SYS_CHECK_ERROR(SYS_ERR_ASNRERROR);\r
732 } /* if */\r
733 } /* for */\r
734 t2 = Timestamp_get();\r
735 delta = t2-t1;\r
736 txTaskProfile.asnr.min = MIN(txTaskProfile.asnr.min,delta);\r
737 txTaskProfile.asnr.max = MAX(txTaskProfile.asnr.max,delta);\r
738 txTaskProfile.asnr.n++;\r
739 txTaskProfile.asnr.total += (float)delta;\r
740 /* Done with the ASNR's */\r
741 \r
742 /* Run MSS */\r
743 t1 = Timestamp_get();\r
744 inst_p = sysContext.mssInst_p; /* fetch the MSS instance pointer */\r
745 #if (SYS_USE_DRC)\r
746 frame_p = txOutFrame1; /* point to the output frame buffer */\r
747 #else\r
748 frame_p = outBuf[gtxFrameIndexCount]; /* point to the output frame buffer */\r
749 #endif\r
750 \r
751 err = mssProcess(inst_p, /* instance */\r
752 (void*)frame_p, /* output frame pointers */\r
753 (void*)frame_p, /* WORKAROUND (not used, but no NULL) */\r
754 (void**)sysContext.vmicfrm, /* Virtual microphones (beams) */\r
755 NULL, /* No remote mics */\r
756 NULL, /* No clean mics */\r
757 (void**)mics_in, /* Raw microphone array inputs */\r
758 NULL); /* Beam not supported (see fixed inputs) */\r
759 \r
760 if (err != mss_NOERR) {\r
761 SYS_CHECK_ERROR(SYS_ERR_MSSERROR);\r
762 } /* if */\r
763 t2 = Timestamp_get();\r
764 delta = t2-t1;\r
765 txTaskProfile.mss.min = MIN(txTaskProfile.mss.min,delta);\r
766 txTaskProfile.mss.max = MAX(txTaskProfile.mss.max,delta);\r
767 txTaskProfile.mss.n++;\r
768 txTaskProfile.mss.total += (float)delta;\r
769 \r
770 /* Trace source selection */\r
771 /* Write Args:\r
772 * arg2: (value) Angle in degrees\r
773 * arg3: (aux1) 0 - current source, 1 - new source\r
774 * arg4: (aux2) source index\r
775 */\r
776 err = mssDebugStat(inst_p, &mssDbg);\r
777 if (err !=mss_NOERR) {\r
778 SYS_CHECK_ERROR(SYS_ERR_MSSDEBUG);\r
779 }\r
780 /* mssDbg.cur_src.group/.index has the current source */\r
781 /* mssDbg.new_src.group/.index has "proposed" source */\r
782 if (mssDbg.cur_src.group != mssDbgCurSrc.group ||\r
783 mssDbg.cur_src.index != mssDbgCurSrc.index)\r
784 {\r
785 mssDbgCurSrc = mssDbg.cur_src;\r
786 angle = sysBfFilterAngles[sysBfVMicAngles[mssDbgCurSrc.index]];\r
787 ///Log_write6(UIAEvt_intWithKey, angle, 0, mssDbgCurSrc.index, (IArg)"MSS-C: %d, G:%d", 0, mssDbgCurSrc.group);\r
788 }\r
789 if (mssDbg.new_src.group != mssDbgNewSrc.group ||\r
790 mssDbg.new_src.index != mssDbgNewSrc.index)\r
791 {\r
792 mssDbgNewSrc = mssDbg.new_src;\r
793 angle = sysBfFilterAngles[sysBfVMicAngles[mssDbgNewSrc.index]];\r
794 ///Log_write6(UIAEvt_intWithKey, angle, 1, mssDbgNewSrc.index, (IArg)"MSS-N: %d, G:%d", 1, mssDbgNewSrc.group);\r
795 }\r
796 /* Done with MSS */\r
797 \r
798 #if (SYS_USE_DRC)\r
799 /* Run DRC */\r
800 t1 = Timestamp_get();\r
801 inst_p = sysContext.drcInst_p; /* fetch the DRC instance pointer */\r
802 frame_p = txOutFrame1; /* point to the MSS output frame buffer and use it as input */\r
803 outframe_p = txOutFrame2; /* point to DRC output frame */\r
804 err = drcProcess(inst_p, frame_p, /* instance and input frame pointers */\r
805 outframe_p); /* pointer to output buffer pointer */\r
806 t2 = Timestamp_get();\r
807 delta = t2-t1;\r
808 txTaskProfile.drc.min = MIN(txTaskProfile.drc.min,delta);\r
809 txTaskProfile.drc.max = MAX(txTaskProfile.drc.max,delta);\r
810 txTaskProfile.drc.n++;\r
811 txTaskProfile.drc.total += (float)delta;\r
812 /* Done with DRC */\r
813 #endif\r
814 \r
815 /*---------------------------------*/\r
816 /* Save samples to the TX buffer */\r
817 /*---------------------------------*/\r
818 // copy MSS output to TX left channel and RX mic 5 to TX right channel\r
819 // set the tempOutPtr to MSS output\r
820 #if (SYS_USE_DRC)\r
821 tempOutPtr = txOutFrame2;\r
822 #else\r
823 tempOutPtr = outBuf[gtxFrameIndexCount];\r
824 #endif\r
825 // set the tempMicPtr to mic_in[7] (mic8)\r
826 tempMicPtr = (unsigned char *)mics_in[7];\r
827 // set the TX pointer to left channel\r
828 tempTxPtr = txBuf[gtxFrameIndexCount];\r
829 // copy upsampled and Q15 to Q31 converted MSS output to TX left channel\r
830 // copy upsampled and Q15 to Q31 converted mics_in[4] to TX right channel\r
831 for (i=0; i<BUFLEN/(SYS_FS_RATIO*2); i++)\r
832 {\r
833 // up sampling by SYS_FS_RATIO (SYS_FS_HZ to SYS_ADC_FS_HZ)\r
834 for (k=0; k<SYS_FS_RATIO; k++)\r
835 {\r
836 // MSS output\r
837 // Q15 to Q31\r
838 memset(tempTxPtr, 0, sizeof(short));\r
839 tempTxPtr += sizeof(short);\r
840 // copy the MSS output to the left channel of TX buffer\r
841 memcpy(tempTxPtr, tempOutPtr, sizeof(short));\r
842 tempTxPtr += sizeof(short);\r
843 \r
844 // mics_in[4]\r
845 // Q15 to Q31\r
846 memset(tempTxPtr, 0, sizeof(short));\r
847 tempTxPtr += sizeof(short);\r
848 // copy the mics_in[4] to the right channel of TX buffer\r
849 memcpy(tempTxPtr, tempMicPtr, sizeof(short));\r
850 tempTxPtr += sizeof(short);\r
851 }\r
852 // move to next sample\r
853 tempOutPtr += sizeof(short);\r
854 tempMicPtr += sizeof(short);\r
855 }\r
856 #else // 7 to 2 Loopback Path\r
857 // copy RX mic 1 to TX left channel and RX mic 5 to TX right channel\r
858 // set the RX pointer to mic 1\r
859 tempRxPtr = rxBuf[grxFrameIndexCount];\r
860 // set the TX pointer to left cahhnel\r
861 tempTxPtr = txBuf[gtxFrameIndexCount];\r
862 // copy RX mic 1 to TX left channel\r
863 for (i=0; i<BUFLEN/2; i++)\r
864 {\r
865 // copy the left channel of first serializer to the left channel of TX buffer\r
866 memcpy(tempTxPtr, tempRxPtr, 4);\r
867 tempTxPtr += 4;\r
868 // copy the left channel of second serializer to the right channel of TX buffer\r
869 memcpy(tempTxPtr, tempRxPtr+BUFSIZE, 4);\r
870 tempTxPtr += 4;\r
871 tempRxPtr += RX_NUM_SERIALIZER*2;\r
872 }\r
873 #endif // Signal Processing Path\r
874 #endif // Mcasp_BufferFormat\r
875 #endif // CMB_AUDIO_DAC\r
876 \r
877 // Audio debug dump\r
878 if (gAudDumpBufIdx<FRAME_PER_SEC*DUMP_SEC)\r
879 {\r
880 // copy the MSS output\r
881 ///memcpy((Ptr)(&gAudDumpBuf[gAudDumpBufIdx*BUFSIZE/(SYS_FS_RATIO*2*2)]), outBuf[gtxFrameIndexCount], (BUFSIZE/(SYS_FS_RATIO*2*2)));\r
882 \r
883 // copy first down-sampled and converted channel (L channel for first serializer)\r
884 ///memcpy((Ptr)(&gAudDumpBuf[gAudDumpBufIdx*BUFSIZE/(SYS_FS_RATIO*2*2)]), mics_in[0], (BUFSIZE/(SYS_FS_RATIO*2*2)));\r
885 \r
886 // copy RX all 8 channels (L/R channels for all 4 serializers)\r
887 ///memcpy((Ptr)(&gAudDumpBuf[gAudDumpBufIdx*BUFSIZE*RX_NUM_SERIALIZER]), rxBuf[grxFrameIndexCount], (BUFSIZE * RX_NUM_SERIALIZER));\r
888 \r
889 // copy RX first channel (L channel for the first serializer)\r
890 ///memcpy((Ptr)(&gAudDumpBuf[gAudDumpBufIdx*(BUFSIZE/2)]), rxBuf[grxFrameIndexCount], (BUFSIZE/2));\r
891 \r
892 // copy TX buffer\r
893 ///memcpy((Ptr)(&gAudDumpBuf[gAudDumpBufIdx*(BUFSIZE)]), txBuf[gtxFrameIndexCount], BUFSIZE);\r
894 \r
895 gAudDumpBufIdx++;\r
896 }\r
897 \r
898 #if (CMB_AUDIO_DAC)\r
899 /* Issue full buffer to the output stream */\r
900 /* TX frame processing */\r
901 txFrame[gtxFrameIndexCount].cmd = MCASP_WRITE;\r
902 txFrame[gtxFrameIndexCount].addr = (void*)(getGlobalAddr(txBuf[gtxFrameIndexCount]));\r
903 txFrame[gtxFrameIndexCount].size = (BUFSIZE * TX_NUM_SERIALIZER);\r
904 txFrame[gtxFrameIndexCount].arg = (uint32_t) mcaspTxChanArg;\r
905 txFrame[gtxFrameIndexCount].status = 0;\r
906 txFrame[gtxFrameIndexCount].misc = 1; /* reserved - used in callback to indicate asynch packet */\r
907 \r
908 mcaspSubmitChan(hMcaspTxChan, &txFrame[gtxFrameIndexCount]);\r
909 #endif\r
910 \r
911 /* Issue an empty buffer to the input stream */\r
912 rxFrame[grxFrameIndexCount].cmd = MCASP_READ;\r
913 rxFrame[grxFrameIndexCount].addr = (void*)(getGlobalAddr(rxBuf[grxFrameIndexCount]));\r
914 rxFrame[grxFrameIndexCount].size = (BUFSIZE * RX_NUM_SERIALIZER);\r
915 rxFrame[grxFrameIndexCount].arg = (uint32_t) mcaspRxChanArg;\r
916 rxFrame[grxFrameIndexCount].status = 0;\r
917 rxFrame[grxFrameIndexCount].misc = 1; /* reserved - used in callback to indicate asynch packet */\r
918 \r
919 mcaspSubmitChan(hMcaspRxChan, &rxFrame[grxFrameIndexCount]);\r
920 }\r
921 \r
922 testRet(0);\r
923 }\r
924 \r
925 /* Nothing past this point */\r