Please, remove the #if def ...
Em qua., 25 de ago. de 2021 às 14:44, Sara da Cunha Monteiro de Souza <
saramonteirosouz...@gmail.com> escreveu:
> You won't have the block drive unless you do what Greg suggested.
> But for mounting nxffs on an MTD partition you don't need the block driver.
> The snippet you pasted are with some typos.
> Try it:
>
>
> /****************************************************************************
> * Name: format_nxffs
> *
> * Description:
> * Register a mtd driver and mount a Little FS over it.
> *
> * Parameters:
> * mtd - Pointer to a pre-allocated mtd partition.
> * mnt_pt - Mount point
> *
> * Returned Value:
> * Zero on success; a negated errno value on failure.
> *
>
> ****************************************************************************/
>
> #if defined (CONFIG_ESP32_SPIFLASH_NXFFS)
> static int format_nxffs(FAR struct mtd_dev_s *mtd, const char *mnt_pt)
> {
> int ret = OK;
>
> ret = nxffs_initialize(mtd);
> if (ret < 0)
> {
> ferr("ERROR: NXFFS init failed: %d\n", ret);
> return ret;
> }
>
> if (mnt_pt != NULL)
> {
> ret = nx_mount(NULL, mnt_pt, "nxffs", 0, NULL);
> if (ret < 0)
> {
> ferr("ERROR: Failed to mount the FS volume: %d\n", ret);
> return ret;
> }
> }
>
> return ret;
> }
>
> #endif
>
>
>
> Em qua., 25 de ago. de 2021 às 14:14, Gregory Nutt <spudan...@gmail.com>
> escreveu:
>
>> m25p_initialize() does not generate a block driver. I creates an MTD
>> driver. To get a block driver, you have to wrap the MTD driver
>> instances in an FTL (FLASH Translation Layer) instance. These should be
>> examples:
>>
>> $ find . -name "*.c" | xargs grep -l ftl_initialize | xargs grep -l
>> nxffs_initialize
>> ./arm/cxd56xx/common/src/cxd56_flash.c
>> ./arm/lpc43xx/bambino-200e/src/lpc43_appinit.c
>> ./arm/lpc43xx/lpc4330-xplorer/src/lpc43_appinit.c
>> ./arm/lpc43xx/lpc4357-evb/src/lpc43_appinit.c
>> ./arm/sam34/sam4e-ek/src/sam_at25.c
>> ./arm/sam34/sam4s-xplained-pro/src/sam_nandflash.c
>> ./arm/sama5/sama5d2-xult/src/sam_at25.c
>> ./arm/sama5/sama5d2-xult/src/sam_nandflash.c
>> ./arm/sama5/sama5d3-xplained/src/sam_at25.c
>> ./arm/sama5/sama5d3-xplained/src/sam_nandflash.c
>> ./arm/sama5/sama5d3x-ek/src/sam_at24.c
>> ./arm/sama5/sama5d3x-ek/src/sam_at25.c
>> ./arm/sama5/sama5d3x-ek/src/sam_nandflash.c
>> ./arm/sama5/sama5d4-ek/src/sam_at25.c
>> ./arm/sama5/sama5d4-ek/src/sam_nandflash.c
>> ./arm/samd5e5/metro-m4/src/sam_at24.c
>> ./arm/samv7/samv71-xult/src/sam_bringup.c
>> ./arm/stm32/cloudctrl/src/stm32_w25.c
>> ./arm/stm32/fire-stm32v2/src/stm32_w25.c
>> ./arm/stm32/shenzhou/src/stm32_w25.c
>> ./arm/stm32/stm32f103-minimum/src/stm32_at24.c
>> ./arm/stm32l4/stm32l476vg-disco/src/stm32_appinit.c
>> ./arm/tiva/tm4c123g-launchpad/src/tm4c_at24.c
>> ./mips/pic32mx/mirtoo/src/pic32_appinit.c
>> ./xtensa/esp32/esp32-devkitc/src/esp32_spiflash.c
>> ./xtensa/esp32/esp32-ethernet-kit/src/esp32_spiflash.c
>> ./xtensa/esp32/esp32-wrover-kit/src/esp32_spiflash.c
>>
>> The block driver should be called /dev/mtdblockN where N is the minor
>> device number passed as the first argument to ftl_initialize().
>>
>> On 8/25/2021 11:04 AM, Tim wrote:
>> > I seem to have got over most of my SPI flash and EEPROM issues now and
>> my
>> > 256Mb SPI flash is properly recognised.
>> >
>> >
>> >
>> > I think I am at the last hurdle. Here is the console output, along with
>> my
>> > question of the day :)
>> >
>> >
>> >
>> > Successfully initialized M25P SPI
>> >
>> > m25p_initialize: dev: 0x2005b970
>> >
>> > m25p_readid: priv: 0x2005b990
>> >
>> > m25p_readid: manufacturer: 20 memory: ba capacity: 19
>> >
>> > m25p_initialize: Return 0x2005b990
>> >
>> > Successfully bound SPI0 CS1 to the SPI FLASH driver
>> >
>> > m25p_ioctl: cmd: 1537
>> >
>> > m25p_ioctl: blocksize: 256 erasesize: 4096 neraseblocks: 8192
>> >
>> > m25p_ioctl: return 0
>> >
>> > m25p_bread: startblock: 00000000 nblocks: 1
>> >
>> > m25p_read: offset: 00000000 nbytes: 256
>> >
>> > m25p_waitwritecomplete: Complete
>> >
>> > m25p_read: return nbytes: 256
>> >
>> > nxffs_nextentry: No entry found
>> >
>> > nxffs_limits: No inodes found
>> >
>> > nxffs_limits: Free FLASH region begins at offset: 5
>> >
>> > nxffs_limits: First inode at offset 5
>> >
>> > Succesfully initialised NXFSS
>> >
>> > nx_mount: ERROR: Failed to find block driver (null)
>> >
>> > Failed to mount the NXFSS volume -15
>> >
>> >
>> >
>> > I believe the block driver would be "/dev/M25P" (M25P, for example) but
>> > there is no code I have found that specifies the block driver location.
>> I
>> > have:
>> >
>> >
>> >
>> > ret = nxfss_initialize(mtd);
>> >
>> >
>> >
>> > then
>> >
>> >
>> >
>> > ret = nx_mount("NULL, "/mnt/M25P", 0, NUL);
>> >
>> >
>> >
>> > and that seems to be in common with other "bringup" code; using NULL
>> rather
>> > than "/dev/something".
>> >
>> >
>> >
>> > Just need the last piece of this jigsaw if anyone could be so kind :)
>> >
>>
>>
