Re: [I] [HELP] STM32H723+SDMMC2+SDRAM(executing in sdram)+IDMA+FATFS,read/write file failure [nuttx]

2025-06-01 Thread via GitHub 


snikeguo closed issue #16400: [HELP] STM32H723+SDMMC2+SDRAM(executing in 
sdram)+IDMA+FATFS,read/write file failure
URL: https://github.com/apache/nuttx/issues/16400


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[I] [HELP] STM32H723+SDMMC2+SDRAM(executing in sdram)+IDMA+FATFS,read/write file failure [nuttx]

2025-06-01 Thread via GitHub 


snikeguo opened a new issue, #16400:
URL: https://github.com/apache/nuttx/issues/16400

   ### Description
   usercode:
   ```
   printf("USER MAIN!!!\n");
boardctl(BOARDIOC_INIT, 0); //mount /dev/mmcsd0 ->/mnt/sd0
 printf("USER MAIN:open mnt/sd0/2.txt,O_RDWR|O_CREAT,666\n");
int fd=open("/mnt/sd0/2.txt",O_RDWR|O_CREAT,666);  
if(fd<0)
{
printf("open file error\n");
return -1;
}
 printf("USER MAIN:write mnt/sd0/2.txt,hello world\n");
 write(fd,"hello world\n",12);
 printf("USER MAIN:close fd\n");
close(fd);
   
 printf("USER MAIN:open mnt/sd0/2.txt,O_RDONLY,666\n");
 fd=open("/mnt/sd0/2.txt",O_RDONLY,666);  
if(fd<0)
{
printf("USER MAIN:open file error\n");
return -1;
}
 char buf[20];
 int readed_size=read(fd,buf,sizeof(buf));
close(fd);
 printf("readed_size=%d\n",readed_size);
   
 int ret=nx_umount2("/mnt/sd0", 0);
   
   ```
   
   console log:
   ```
   USER MAIN!!!
   stm32_sdio_initialize: Initializing SDIO slot 0
   stm32_setclkcr: CLKCR: 0003003f PWR: 0003
   stm32_reset: CLCKR: 0003003f POWER: 0003
   stm32_sdio_initialize: Bind SDIO to the MMC/SD driver, minor=0
   mmcsd_slotinitialize: minor: 0
   mmcsd_hwinitialize: DMA supported: 1
   mmcsd_hwinitialize: Attached MMC/SD interrupts
   stm32_registercallback: Register 0xc000c965(0xc08084f8)
   stm32_callbackenable: eventset: 02
   stm32_callback: Callback 0xc000c965(0xc08084f8) cbevents: 02 cdstatus: 00
   mmcsd_slotinitialize: MMC/SD slot is empty
   mmcsd_slotinitialize: MMC: /dev/mmcsd0 0KB 1-bit backwards compatibility mode
   stm32_sdio_initialize: Successfully bound SDIO to the MMC/SD driver
   stm32_sdio_initialize: Card detect : 1
   sdio_mediachange: cdstatus OLD: 00 NEW: 01
   stm32_callback: Callback 0xc000c965(0xc08084f8) cbevents: 02 cdstatus: 01
   stm32_callback: Callback to 0xc000c965(0xc08084f8)
   mmcsd_mediachange: arg: 0xc08084f8
   mmcsd_probe: type: 0 probed: 0
   mmcsd_removed: type: 0 present: 1
   mmcsd_widebus: No card inserted.
   stm32_setclkcr: CLKCR: 0003003f PWR: 0003
   stm32_setclkcr: CLKCR: 0003003f PWR: 0003
   mmcsd_probe: Card present.  Probing
   mmcsd_cardidentify: Identifying card...
   stm32_setclkcr: CLKCR: 0003003f PWR: 0003
   stm32_sendcmd: cmd:  arg: f0f0f0f0 regval: 1000 enabled irq: 

   stm32_sendcmd: cmd:  arg:  regval: 1000 enabled irq: 

   stm32_sendcmd: cmd: 0208 arg: 01aa regval: 1108 enabled irq: 

   mmcsd_cardidentify: SD V2.x card
   stm32_sendcmd: cmd: 0077 arg:  regval: 1137 enabled irq: 

   stm32_sendcmd: cmd: 0129 arg: 4010 regval: 1129 enabled irq: 

   mmcsd_cardidentify: R3: 40ff8000
   stm32_sendcmd: cmd: 0077 arg:  regval: 1137 enabled irq: 

   stm32_sendcmd: cmd: 0129 arg: 4010 regval: 1129 enabled irq: 

   mmcsd_cardidentify: R3: c0ff8000
   mmcsd_cardidentify: SD V2.x card with block addressing
   mmcsd_probe: SD version 2.x with block addressing.
   stm32_sendcmd: cmd: 00c2 arg:  regval: 1302 enabled irq: 

   mmcsd_decode_cid: mid: fe cbx: 0 oid: 32 pnm: SD prv: 0 psn: 0001ed01 mdt: 
87 crc: 53
   stm32_sendcmd: cmd: 01c3 arg:  regval: 1103 enabled irq: 

   mmcsd_sdinitialize: RCA: 0001
   stm32_sendcmd: cmd: 004d arg: 0001 regval: 110d enabled irq: 

   stm32_sendcmd: cmd: 00c9 arg: 0001 regval: 1309 enabled irq: 

   mmcsd_decode_csd: CSD:
   mmcsd_decode_csd:   CSD_STRUCTURE: 1 SPEC_VERS: 0 (MMC)
   mmcsd_decode_csd:   TAAC {TIME_UNIT: 6 TIME_VALUE: 1} NSAC: 0
   mmcsd_decode_csd:   TRAN_SPEED {TRANSFER_RATE_UNIT: 2 TIME_VALUE: 6}
   mmcsd_decode_csd:   CCC: 1461
   mmcsd_decode_csd:   READ_BL_LEN: 9 READ_BL_PARTIAL: 0
   mmcsd_decode_csd:   WRITE_BLK_MISALIGN: 0 READ_BLK_MISALIGN: 0
   mmcsd_decode_csd:   DSR_IMP: 0
   mmcsd_decode_csd:   SD Block Addressing:
   mmcsd_decode_csd: C_SIZE: 29819 SD_ER_BLK_EN: 1
   mmcsd_decode_csd: SD_SECTOR_SIZE: 127 SD_WP_GRP_SIZE: 0
   mmcsd_decode_csd:   WP_GRP_EN: 0 MMC DFLT_ECC: 0 (MMC) R2W_FACTOR: 2
   mmcsd_decode_csd:   WRITE_BL_LEN: 9 WRITE_BL_PARTIAL: 0
   mmcsd_decode_csd:   FILE_FORMAT_GROUP: 0 COPY: 0
   mmcsd_decode_csd:   PERM_WRITE_PROTECT: 0 TMP_WRITE_PROTECT: 0
   mmcsd_decode_csd:   FILE_FORMAT: 0 ECC: 0 (MMC) CRC: 78
   mmcsd_decode_csd: Capacity: 15267840Kb, Block size: 512b, nblocks: 30535680 
wrprotect: 0
   stm32_sendcmd: cmd: 0087 arg: 0001 regval: 1107 enabled irq: 

   stm32_setclkcr: CLKCR: 00031003 PWR: 0003
   stm32_sendcmd: cmd: 0050 arg: 0008 regval: 1110 enabled irq: 

   stm32_sendcmd: cmd: 0077 arg: 0001 regval: 1137 enabled irq: 
012a
   stm32_sendcmd: cmd: 0473 arg: 000

Re: [I] [HELP] STM32H723+SDMMC2+SDRAM(executing in sdram)+IDMA+FATFS,read/write file failure [nuttx]

2025-05-17 Thread via GitHub 


snikeguo commented on issue #16400:
URL: https://github.com/apache/nuttx/issues/16400#issuecomment-2888237447

   ```
   static sdio_capset_t stm32_capabilities(struct sdio_dev_s *dev)
   {
 struct stm32_dev_s *priv = (struct stm32_dev_s *)dev;
 sdio_capset_t caps = 0;
   
 if (priv->onebit)
   {
 caps |= SDIO_CAPS_1BIT_ONLY;
   }
   else
   {
 caps |=SDIO_CAPS_4BIT_ONLY;  //add this code
   }
   
 caps |= SDIO_CAPS_DMABEFOREWRITE;
   
   #if defined(CONFIG_STM32H7_SDMMC_IDMA)
 caps |= SDIO_CAPS_DMASUPPORTED;
   #endif
   
 return caps;
   }
   ```


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Re: [I] [HELP] STM32H723+SDMMC2+SDRAM(executing in sdram)+IDMA+FATFS,read/write file failure [nuttx]

2025-05-17 Thread via GitHub 


snikeguo closed issue #16400: [HELP] STM32H723+SDMMC2+SDRAM(executing in 
sdram)+IDMA+FATFS,read/write file failure
URL: https://github.com/apache/nuttx/issues/16400


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Re: [I] [HELP] STM32H723+SDMMC2+SDRAM(executing in sdram)+IDMA+FATFS,read/write file failure [nuttx]

2025-05-17 Thread via GitHub 


snikeguo commented on issue #16400:
URL: https://github.com/apache/nuttx/issues/16400#issuecomment-2888202105

   solution：
   
   CONFIG_FAT_DMAMEMORY=y
   CONFIG_GRAN=y
   CONFIG_STM32H7_SDMMC_IDMA=y
   CONFIG_ARMV7M_DCACHE_WRITETHROUGH=n see:armv7m mpu document
   
   in stm32_dmarecvsetup:
   #if defined(CONFIG_ARCH_HAVE_SDIO_PREFLIGHT)
   // DEBUGASSERT(stm32_dmapreflight(dev, buffer, buflen) == 0);
   #endif
   
   
![Image](https://github.com/user-attachments/assets/2d7b5254-76e8-4862-a80a-ed6a46340758)


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