nuttx

History

Masayuki Ishikawa 2cde7dcc8d Merged in masayuki2009/nuttx.nuttx/sparkfun_redv (pull request #1091 ) Sparkfun RED-V Things Plus * board: hifive1-revb: Update README-qemu.txt * arch: fe310: Works with SparkFun RED-V Things Plus Should work with HiFive1 Rev.B but not tested yet. * boards: hifive1-revb: Works with SparkFun RED-V Things Plus Should work with HiFive1 Rev.B but not tested yet. Approved-by: Alan Carvalho de Assis <acassis@gmail.com> Approved-by: Gregory Nutt <gnutt@nuttx.org>		2019-12-08 12:42:48 +00:00
..
configs/nsh	Merged in masayuki2009/nuttx.nuttx/fe310_updates (pull request #1085 )	2019-12-02 14:45:41 +00:00
include	Merged in masayuki2009/nuttx.nuttx/hifive1-qemu (pull request #1078 )	2019-11-28 20:37:24 +00:00
scripts	Merged in masayuki2009/nuttx.nuttx/sparkfun_redv (pull request #1091 )	2019-12-08 12:42:48 +00:00
src	Some minor changes from review of last PR.	2019-11-28 14:45:16 -06:00
Kconfig	Merged in masayuki2009/nuttx.nuttx/hifive1-qemu (pull request #1078 )	2019-11-28 20:37:24 +00:00
README-qemu.txt	Merged in masayuki2009/nuttx.nuttx/sparkfun_redv (pull request #1091 )	2019-12-08 12:42:48 +00:00
README.txt	Merged in masayuki2009/nuttx.nuttx/sparkfun_redv (pull request #1091 )	2019-12-08 12:42:48 +00:00

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

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