diff options
Diffstat (limited to 'nuttx/configs/lpc4330-xplorer/README.txt')
| -rw-r--r-- | nuttx/configs/lpc4330-xplorer/README.txt | 84 |
1 files changed, 44 insertions, 40 deletions
diff --git a/nuttx/configs/lpc4330-xplorer/README.txt b/nuttx/configs/lpc4330-xplorer/README.txt index 4ebe89d9e..4cd867c32 100644 --- a/nuttx/configs/lpc4330-xplorer/README.txt +++ b/nuttx/configs/lpc4330-xplorer/README.txt @@ -12,11 +12,17 @@ Contents - Development Environment - GNU Toolchain Options - IDEs + - Code Red IDE/Tools + Booting the LPCLink + Using GDB + Troubleshooting + Command Line Flash Programming + Executing from SPIFI + USB DFU Booting - NuttX buildroot Toolchain - Serial Console - FPU - LPC4330-Xplorer Configuration Options - - USB Host Configuration - Configurations LPC4330-Xplorer board @@ -263,8 +269,8 @@ IDEs Startup files will probably cause you some headaches. The NuttX startup file is arch/arm/src/common/up_vectors.S. -Code Red IDE -^^^^^^^^^^^^ +Code Red IDE/Tools +^^^^^^^^^^^^^^^^^^ Booting the LPCLink ------------------- @@ -418,6 +424,39 @@ Code Red IDE found in the configs/lpc4330-xplorer/scripts directory can do that with a single command line command. + Executing from SPIFI + -------------------- + + By default, the configurations here assume that you are executing directly + from SRAM. + + CONFIG_BOOT_SRAM=y : Executing in SRAM + CONFIG_LPC32_CODEREDW=y : Code Red under Windows + + To execute from SPIFI, you would need to set: + + CONFIG_BOOT_SPIFI=y : Executing from SPIFI + CONFIG_DRAM_SIZE=(128*1024) : SRAM Bank0 size + CONFIG_DRAM_START=0x10000000 : SRAM Bank0 base address + CONFIG_SPIFI_OFFSET=(512*1024) : SPIFI file system offset + + To boot the LPC4330-Xplorer from SPIFI the DIP switches should be 1-OFF, + 2-ON, 3-ON, 4-ON (LOW LOW LOW HIGH in Table 19, MSB to LSB). + + If the code in flash hard faults after reset and crt_emu_lpc18_43_nxp + can't reset the MCU, an alternative is to temporarily change switch 1 + to ON and press the reset button so it enters UART boot mode. Then + change it back to OFF and reset to boot again from flash. + + # Use -wire to specify the debug probe in use: + # (empty) Red Probe+ + # -wire=winusb LPC-Link on Windows XP + # -wire=hid LPC-Link on Windows Vista/ Windows 7 + # Add -g -4 for verbose output + + crt_emu_lpc18_43_nxp -wire=hid -pLPC4330 -load-base=0x14000000 + -flash-load-exec=nuttx.bin -flash-driver=LPC1850A_4350A_SPIFI.cfx + USB DFU Booting --------------- @@ -804,41 +843,6 @@ LPC4330-Xplorer Configuration Options application can guarantee that all end-user I/O buffers reside in AHB SRAM. -USB Host Configuration -====================== - -The LPC4330-Xplorer board supports a USB host interface. The hidkbd -example can be used to test this interface. - -The NuttShell (NSH) lpc4330-xplorer can also be modified in order to support USB -host operations. To make these modifications, do the following: - -1. First configure to build the NSH configuration from the top-level - NuttX directory: - - cd tools - ./configure lpc4330-xplorer/nsh - cd .. - -2. Then edit the top-level .config file to enable USB host. Make the - following changes: - - CONFIG_LPC43_USBHOST=n - CONFIG_USBHOST=n - CONFIG_SCHED_WORKQUEUE=y - -When this change is made, NSH should be extended to support USB flash -devices. When a FLASH device is inserted, you should see a device -appear in the /dev (pseudo) directory. The device name should be -like /dev/sda, /dev/sdb, etc. The USB mass storage device, is present -it can be mounted from the NSH command line like: - - ls /dev - mount -t vfat /dev/sda /mnt/flash - -Files on the connect USB flash device should then be accessible under -the mountpoint /mnt/flash. - Configurations ============== @@ -901,12 +905,12 @@ Where <subdir> is one of the following: CONFIG_BOOT_SRAM=y : Executing in SRAM CONFIG_LPC32_CODEREDW=y : Code Red under Windows - To execute from SRAM, you would need to set: + To execute from SPIFI, you would need to set: CONFIG_BOOT_SPIFI=y : Executing from SPIFI CONFIG_DRAM_SIZE=(128*1024) : SRAM Bank0 size CONFIG_DRAM_START=0x10000000 : SRAM Bank0 base address - CONFIG_SPIFI_OFFSET=(128*1024) : SPIFI file system offset + CONFIG_SPIFI_OFFSET=(512*1024) : SPIFI file system offset CONFIG_MM_REGIONS should also be increased if you want to other SRAM banks to the memory pool. |