diff options
Diffstat (limited to 'nuttx/configs/mirtoo')
| -rw-r--r-- | nuttx/configs/mirtoo/README.txt | 28 |
1 files changed, 20 insertions, 8 deletions
diff --git a/nuttx/configs/mirtoo/README.txt b/nuttx/configs/mirtoo/README.txt index a2f8296a2..5e7dec6a3 100644 --- a/nuttx/configs/mirtoo/README.txt +++ b/nuttx/configs/mirtoo/README.txt @@ -821,13 +821,14 @@ Where <subdir> is one of the following: nxffs: This is a configuration very similar to the nsh configuration. This - configure also provides the NuttShell (NSH). This configuration use + configure also provides the NuttShell (NSH). And this configuration use UART1 which is available on FUNC 4 and 5 on connector X3 (as described - for the nsh configuration). This configuration differs in the fillowing - ways: + for the nsh configuration). This configuration differs from the nsh + configuration in the following ways: 1) SPI2 is enabled and support is included for the NXFFS file system - on the 32Mbi SST25 device on the Mirtoo board. + on the 32Mbit SST25 device on the Mirtoo board. NXFFS is the NuttX + wear-leveling file system. CONFIG_PIC32MX_SPI2=y CONFIG_MTD_SST25=y @@ -866,12 +867,15 @@ Where <subdir> is one of the following: CONFIG_NSH_DISABLE_TEST=y CONFIG_NSH_DISABLE_WGET=y + When the system boots, you should have the NXFFS file system mounted + at /mnt/sst25. + NOTES: (1) It takes many seconds to boot the sytem using the NXFFS file system because the entire FLASH must be verified on power up - (a probably several minutes the first time that NXFFS comes up and - had to format the file system). (2) FAT does not have these delays - and this configuration can be modified to use the (larger) FAT file - system as described below: + (and many *minutes* the first time that NXFFS comes up and has to + format the file system). (2) FAT does not have these delays and this + configuration can be modified to use the (larger) FAT file system as + described below: fat: There is no FAT configuration, but the nxffx configuration can be used @@ -881,3 +885,11 @@ Where <subdir> is one of the following: CONFIG_FS_NXFFS=n CONFIG_FS_FAT=y CONFIG_NSH_DISABLE_MKFATFS=n + + In this configuration, the FAT file system will not be automatically + monounted. When NuttX boots to the NSH prompt, you will find the + SST5 block driver at /dev/mtdblock0. This can be formatted with a + FAT file system and mounted with these commands: + + nsh> mkfatfs /dev/mtdblock0 + nsh> mount -t vfat /dev/mtdblock0 /mnt/sst25 |