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in ,

Finally I2S on STM32F7 is not generating the DMA timeout


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A�DE                                                                   
board_cs4344_initialize: minor 1                                                
stm32_i2sbus_initialize: port: 2                                                
i2s_dump_regs: I2S2: After initialization                                       
i2s_dump_regs:     CR1:0000    CR2:0700     SR:0002      DR:0000                
i2s_dump_regs:     I2SCFGR:0000    I2SPR:0002                                   
i2s_dump_regs:     PLLI2SCFGR:44013000                                          
cs4344_reset: WARNING: MCLK could not be set on lower half                      
i2s_mckdivider: Entry                                                           
i2s_dump_regs: I2S2: After i2s_mckdivider                                       
i2s_dump_regs:     CR1:0000    CR2:0700     SR:0002      DR:0000                
i2s_dump_regs:     I2SCFGR:0e00    I2SPR:020d                                   
i2s_dump_regs:     PLLI2SCFGR:20003540                                          
cs4344_setbitrate: sample rate=16000 nchannels=1 bpsamp=16                      
audio_register: Registering /dev/audio/pcm1                                     
                                                                                
NuttShell (NSH) NuttX-12.5.1                                                    
nsh> upload                                                                     
Registering romdisk at /dev/ram0                                                
Mounting ROMFS filesystem at target=/data with source=/dev/ram0                 
nsh> nxplayer                                                                   
NxPlayer version 1.05                                                           
h for commands, q to exit                                                       
                                                                                
nxplayer> play /data/yes.wav                                                    
nxplayer_playinternal: ==============================                           
nxplayer_playinternal: Playing file /data/yes.wav                               
nxplayer_playinternal: ==============================                           
audio_open: crefs: 0                                                            
audio_ioctl: cmd: 4097 arg: 537390872                                           
audio_ioctl: AUDIOIOC_GETCAPS: Device=0                                         
cs4344_getcaps: type=0 ac_type=0                                                
audio_ioctl: cmd: 4098 arg: 0                                                   
audio_ioctl: AUDIOIOC_RESERVE                                                   
pcm_reserve: Defer to lower reserve                                             
audio_ioctl: cmd: 4097 arg: 537390872                                           
audio_ioctl: AUDIOIOC_GETCAPS: Device=2                                         
cs4344_getcaps: type=2 ac_type=2                                                
audio_ioctl: cmd: 4106 arg: 537390840                                           
audio_ioctl: Forwarding unrecognized cmd: 4106 arg: 537390840                   
pcm_ioctl: Defer to lower ioctl, cmd=4106 arg=537390840                         
cs4344_ioctl: Ignored                                                           
audio_ioctl: cmd: 4110 arg: 4                                                   
audio_ioctl: AUDIOIOC_REGISTERMQ                                                
nxplayer_playthread: Entry                                                      
audio_ioctl: cmd: 4106 arg: 537393600                                           
audio_ioctl: Forwarding unrecognized cmd: 4106 arg: 537393600                   
pcm_ioctl: Defer to lower ioctl, cmd=4106 arg=537393600                         
cs4344_ioctl: Ignored                                                           
audio_ioctl: cmd: 4107 arg: 537393616                                           
audio_ioctl: AUDIOIOC_ALLOCBUFFER                                               
audio_ioctl: cmd: 4107 arg: 537393616                                           
audio_ioctl: AUDIOIOC_ALLOCBUFFER                                               
nxplayer_fill_common: Closing audio file, nbytes=4300 errcode=25                
audio_ioctl: cmd: 4109 arg: 537393568                                           
audio_ioctl: AUDIOIOC_ENQUEUEBUFFER                                             
pcm_enqueuebuffer: Received buffer 0x20000010, streaming=0                      
pcm_enqueuebuffer: curbyte=0 nbytes=4300 nmaxbytes=8192 bytesleft=4300          
pcm_dump: Wave file header                                                      
pcm_dump:   Header Chunk:                                                       
pcm_dump:     Chunk ID:        0x46464952                                       
pcm_dump:     Chunk Size:      4292                                             
pcm_dump:     Format:          0x45564157                                       
pcm_dump:   Format Chunk:                                                       
pcm_dump:     Chunk ID:        0x20746d66                                       
pcm_dump:     Chunk Size:      16                                               
pcm_dump:     Audio Format:    0x0001                                           
pcm_dump:     Num. Channels:   1                                                
pcm_dump:     Sample Rate:     8000                                             
pcm_dump:     Byte Rate:       16000                                            
pcm_dump:     Block Align:     2                                                
pcm_dump:     Bits Per Sample: 16                                               
pcm_dump:   Data Chunk:                                                         
pcm_dump:     Chunk ID:        0x61746164                                       
pcm_dump:     Chunk Size:      4256                                             
cs4344_configure: ac_type: 2                                                    
cs4344_configure:   AUDIO_TYPE_OUTPUT:                                          
cs4344_configure:     Number of channels: 1                                     
cs4344_configure:     Sample rate:        8000                                  
cs4344_configure:     Sample width:       16                                    
cs4344_configure: ERROR: Unsupported combination of sample rate anddata width   
stm32_i2s_txdatawidth: Data width bits of tx = 16                               
i2s_mckdivider: Entry                                                           
i2s_dump_regs: I2S2: After i2s_mckdivider                                       
i2s_dump_regs:     CR1:0000    CR2:0700     SR:0002      DR:0000                
i2s_dump_regs:     I2SCFGR:0e00    I2SPR:021a                                   
i2s_dump_regs:     PLLI2SCFGR:20003540                                          
cs4344_setbitrate: sample rate=8000 nchannels=1 bpsamp=16                       
pcm_enqueuebuffer: Begin streaming: apb=0x20000010 curbyte=44 nbytes=4300       
pcm_enqueuebuffer: Pass to lower enqueuebuffer: apb=0x20000010 curbyte=44 nbyte0
cs4344_enqueuebuffer: Enqueueing: apb=0x20000010 curbyte=44 nbytes=4300 flags=08
nxplayer_playthread: 2 buffers queued, running=1 streaming=0                    
audio_ioctl: cmd: 4102 arg: 0                                                   
audio_ioctl: AUDIOIOC_START                                                     
pcm_start: Defer to lower start                                                 
cs4344_start: Entry                                                             
cs4344_start: Starting worker thread                                            
cs4344_workerthread: Entry                                                      
cs4344_sendbuffer: Sending apb=0x20000010, size=4300 inflight=0                 
stm32_i2s_send: apb=0x20000010 nbytes=4256 arg=0x2007dcc0 timeout=55            
stm32_dmasetup: paddr: 4000380c maddr: 20000068 ntransfers: 2128 scr: 00002c40  
i2s_txdma_callback: Inside callback!                                            
cs4344_start: Created worker thread                                             
nxplayer_playthread: Playing...                                                 
i2s_tx_worker: tx.act.head=0 tx.done.head=0x2007dca4                            
i2s_txdma_sampledone: result: 48                                                
stm32_dmadump: DMA Registers: TX: Initial Registers                             
stm32_dmadump:    LISR(40026000): 00000000                                      
stm32_dmadump:    HISR(40026004): 00000000                                      
stm32_dmadump:     SCR(40026070): 00000000                                      
stm32_dmadump:   SNDTR(40026074): 00000000                                      
stm32_dmadump:    SPAR(40026078): 00000000                                      
stm32_dmadump:   SM0AR(4002607c): 00000000                                      
stm32_dmadump:   SM1AR(40026080): 00000000                                      
stm32_dmadump:    SFCR(40026084): 00000021                                      
stm32_dmadump: DMA Registers: TX: After DMA Setup                               
stm32_dmadump:    LISR(40026000): 00000000                                      
stm32_dmadump:    HISR(40026004): 00000000                                      
stm32_dmadump:     SCR(40026070): 00002c40                                      
stm32_dmadump:   SNDTR(40026074): 00000850                                      
stm32_dmadump:    SPAR(40026078): 4000380c                                      
stm32_dmadump:   SM0AR(4002607c): 20000068                                      
stm32_dmadump:   SM1AR(40026080): 00000000                                      
stm32_dmadump:    SFCR(40026084): 00000027                                      
stm32_dmadump: DMA Registers: TX: After DMA Start                               
stm32_dmadump:    LISR(40026000): 00000000                                      
stm32_dmadump:    HISR(40026004): 00000000                                      
stm32_dmadump:     SCR(40026070): 00002c4d                                      
stm32_dmadump:   SNDTR(40026074): 00000850                                      
stm32_dmadump:    SPAR(40026078): 4000380c                                      
stm32_dmadump:   SM0AR(4002607c): 20000068                                      
stm32_dmadump:   SM1AR(40026080): 00000000                                      
stm32_dmadump:    SFCR(40026084): 0000002f                                      
stm32_dmadump: DMA Registers: TX: At DMA callback                               
stm32_dmadump:    LISR(40026000): 00000000                                      
stm32_dmadump:    HISR(40026004): 00000000                                      
stm32_dmadump:     SCR(40026070): 00002c4c                                      
stm32_dmadump:   SNDTR(40026074): 00000000                                      
stm32_dmadump:    SPAR(40026078): 4000380c                                      
stm32_dmadump:   SM0AR(4002607c): 20000068                                      
stm32_dmadump:   SM1AR(40026080): 00000000                                      
stm32_dmadump:    SFCR(40026084): 00000027                                      
stm32_dmadump: DMA Registers: TX: At End-of-Transfer                            
stm32_dmadump:    LISR(40026000): 00000000                                      
stm32_dmadump:    HISR(40026004): 00000000                                      
stm32_dmadump:     SCR(40026070): 00002c4c                                      
stm32_dmadump:   SNDTR(40026074): 00000000                                      
stm32_dmadump:    SPAR(40026078): 4000380c                                      
stm32_dmadump:   SM0AR(4002607c): 20000068                                      
stm32_dmadump:   SM1AR(40026080): 00000000                                      
stm32_dmadump:    SFCR(40026084): 00000027                                      
i2s_dump_regs: I2S2: TX: At End-of-Transfer                                     
i2s_dump_regs:     CR1:0000    CR2:0702     SR:0002      DR:0000                
i2s_dump_regs:     I2SCFGR:0e00    I2SPR:021a                                   
i2s_dump_regs:     PLLI2SCFGR:20003540                                          
cs4344_senddone: apb=0x20000010 inflight=1 result=48                            
_assert: Current Version: NuttX  12.5.1 675153a502-dirty Apr 23 2024 19:40:13 am
_assert: Assertion failed panic: at file: :0 task: hpwork process: Kernel 0x8005
up_dump_register: R0: 00000000 R1: 00000000 R2: 00000000  R3: 00000000          
up_dump_register: R4: 2007fa64 R5: 00000001 R6: 2007c140  FP: 00000001          
up_dump_register: R8: 00000000 SB: 2007dce0 SL: 00000000 R11: 00000000          
up_dump_register: IP: 00000004 SP: 2007cc48 LR: 0801786f  PC: 0800257a          
up_dump_register: xPSR: 41000000 PRIMASK: 00000001 CONTROL: 00000000            
up_dump_register: EXC_RETURN: ffffffe9                                          
dump_stack: User Stack:                                                         
dump_stack:   base: 0x2007c550                                                  
dump_stack:   size: 00001984                                                    
dump_stack:     sp: 0x2007cc48                                                  
stack_dump: 0x2007cc28: 00000000 00000000 00000000 00000000 00000000 00000000 08
stack_dump: 0x2007cc48: 08005fa7 2007d7f0 2007fa18 0801786f 2007d7f0 20022138 20
stack_dump: 0x2007cc68: 2007cca8 00000008 00000001 0801769d 00000001 2007cca8 00
stack_dump: 0x2007cc88: 20000010 00000030 080041a1 20021224 20021210 080041fd 00
stack_dump: 0x2007cca8: 20070008 00000030 2007da20 2007dca4 2007da6c 080082bd 20
stack_dump: 0x2007ccc8: 080081f1 00000000 2002121c 20021208 00000000 080025dd 00
stack_dump: 0x2007cce8: 2007c520 08002585 00000000 00000000 00000000 00000000 05
stack_dump: 0x2007cd08: 00000000 00000000 00000000 00000000 00000000 00000000 00
dump_tasks:    PID GROUP PRI POLICY   TYPE    NPX STATE   EVENT      SIGMASK   D
dump_task:       0     0   0 FIFO     Kthread - Ready              000000000000k
dump_task:       1     1 224 RR       Kthread - Running            000000000000c
dump_task:      10    10 100 RR       Task    - Ready              000000000000r
dump_task:       3     3 100 RR       Task    - Waiting Semaphore  000000000000n
dump_task:      12    10 246 RR       pthread - Waiting MQ empty   0000000000008
dump_task:      13    10 252 RR       pthread - Waiting MQ empty   0000001200000

The DMA TX Timeout was happening because I was using the DMA Channel of I2S3, but in the menuconfig I was selecting I2S2.

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