nuttx

History

Xiang Xiao e1d3627bb1 sched/wdog: Change the default value of MAX_WDOGPARMS from 4 to 2 since the maximum number of argument pass to wd_start in the whole code base is 2 and change CONFIG_MAX_WDOGPARMS in some defconfig from 1 to 2 oherwise pthread_condclockwait will fail Signed-off-by: Xiang Xiao <xiaoxiang@xiaomi.com> Change-Id: Ib6cb28b8c0722058849e7be916e164513431d21c		2020-08-06 10:36:22 -06:00
..
configs/nsh	sched/wdog: Change the default value of MAX_WDOGPARMS from 4 to 2	2020-08-06 10:36:22 -06:00
include	Remove exra whitespace from files (#189 )	2020-01-31 09:24:49 -06:00
scripts	boards: Move toolchain related variables to Toolchain.defs	2020-07-20 17:10:37 +01:00
src	Fix nxstyle issue	2020-06-07 19:28:10 +01:00
Kconfig
README-qemu.txt
README.txt

README.txt

1. Download and install toolchain

  $ curl https://static.dev.sifive.com/dev-tools/riscv64-unknown-elf-gcc-8.3.0-2019.08.0-x86_64-linux-ubuntu14.tar.gz

2. Download and install J-Link Software Documentation Pack

  https://www.segger.com/downloads/jlink/

  $ sudo apt install JLink_Linux_V656b_x86_64.deb

3. Configure and build NuttX

  $ mkdir ./nuttx; cd ./nuttx
  $ git clone https://bitbucket.org/nuttx/nuttx.git
  $ git clone https://bitbucket.org/nuttx/apps.git
  $ cd nuttx
  $ make distclean
  $ ./tools/configure.sh hifive1-revb:nsh
  $ make V=1

4. Flash the nuttx with J-Link and run

  $ picocom -b 115200 /dev/ttyACM0

  $ /opt/SEGGER/JLink_V656b/JLinkGDBServer -device FE310

  $ riscv64-unknown-elf-gdb ./nuttx
  (gdb) target extended-remote:2331
  (gdb) load nuttx
  (gdb) c

5. TODO

  Support GPIO/SPI/I2C/RTC/WDT/PWM
  Support RISC-V User mode