ENC424J600/shell.nix

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{ rustChannel ? "nightly" }:
let
mozillaOverlay = import (builtins.fetchTarball https://github.com/mozilla/nixpkgs-mozilla/archive/master.tar.gz);
pkgs = import <nixpkgs> { overlays = [ mozillaOverlay ]; };
in
with pkgs;
let
rustPlatform = callPackage ./nix/rustPlatform.nix {};
itm-tools = callPackage ./nix/itm-tools.nix { inherit rustPlatform; };
runHelp = writeShellScriptBin "run-help" ''
echo "[Common Tools]"
echo " run-openocd-f4x"
echo " - Run OpenOCD in background for STM32F4XX boards."
echo " run-itmdemux-follow <stim>"
echo " - Read ITM packets and follow. Specify <stim> for the desired ITM Stimulus Port."
echo " run-help"
echo " - Display this help message."
echo ""
echo "[Examples]"
echo " tx_stm32f407"
echo " - Run tx_stm32f407 example."
echo " tcp_stm32f407 <ip> <pref>"
echo " - Run tcp_stm32f407 example with the IPv4"
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echo " address <ip> (dot-separated) and prefix length <pref>."
echo ""
echo "[Workspace]"
echo " run-tmux-env"
echo " - Start a tmux session specially designed for debugging."
echo " end-tmux-env"
echo " - Safely stop the tmux debugging session."
echo ""
'';
runTmuxEnv = writeShellScriptBin "run-tmux-env" (builtins.readFile ./nix/tmux.sh);
killTmuxEnv = writeShellScriptBin "end-tmux-env" ''
# Note: should modify the binary path if targets have changed in ./nix/rustPlatform.nix
echo 'Stopping GDB if running...'
# Send SIGINT to GDB
pkill -2 -f 'gdb -q -x openocd\.gdb target/thumbv7em-none-eabihf/release/examples/'
# Kill GDB
pkill -f 'gdb -q -x openocd\.gdb target/thumbv7em-none-eabihf/release/examples/' |
echo 'Stopping OpenOCD if running...'
# Kill OpenOCD
pkill -f 'openocd -f ${openocd}/share/openocd/scripts/interface/stlink-v2.cfg -f ${openocd}/share/openocd/scripts/target/stm32f4x.cfg'
echo 'Stopping tailing ITM outputs...'
pkill -f 'run-itmdemux-follow'
pkill -f 'tail -f .\.stim'
echo 'Stopping tmux session...'
# Kill tmux window
tmux kill-window -t enc424j600:$USER
'';
runOpenOcdF4x = writeShellScriptBin "run-openocd-f4x" ''
openocd \
-f ${openocd}/share/openocd/scripts/interface/stlink-v2.cfg \
-f ${openocd}/share/openocd/scripts/target/stm32f4x.cfg \
-c init &
sleep 1
'';
runItmDemuxFollow = writeShellScriptBin "run-itmdemux-follow" ''
export STIM=$1
if [[ $1 = "" ]]
then
echo "Using Stimulus Port 0 by default..."
export STIM=0
fi
# Wait for itm.bin to be created by OpenOCD
until [ -f itm.bin ]
do
sleep 1
done
echo 'Stopping running instances of itm-tool port-demux...'
# Kill running instances of port-demux
pkill -f 'port-demux' | xargs -r kill
echo 'Tailing ITM output...'
port-demux -f itm.bin &
# Wait for stim file to be created by port-demux
until [ -f $STIM.stim ]
do
sleep 1
done
tail -f $STIM.stim
'';
# Examples
exTxStm32f407 = writeShellScriptBin "tx_stm32f407" ''
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cargo run --release --example=tx_stm32f407 --features=tx_stm32f407
'';
exTcpStm32f407 = writeShellScriptBin "tcp_stm32f407" ''
if [[ $1 = "" ]] || [[ $2 = "" ]]
then
echo "Arguments <ip> or <pref> are missing."
exit
fi
touch ./examples/tcp_stm32f407.rs
export ENC424J600_TCP_IP=$1
export ENC424J600_TCP_PREF=$2
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cargo run --release --example=tcp_stm32f407 --features=tcp_stm32f407
'';
in
stdenv.mkDerivation {
name = "enc424j600-stm32-env";
buildInputs = with rustPlatform.rust; [
rustc cargo pkgs.gdb pkgs.openocd pkgs.tmux itm-tools
runHelp runTmuxEnv killTmuxEnv
runOpenOcdF4x runItmDemuxFollow
exTxStm32f407 exTcpStm32f407
];
# Set Environment Variables
RUST_BACKTRACE = 1;
shellHook = ''
echo "Welcome to the nix-shell for running STM32 examples!"
echo "- run-tmux-env to start a tmux session."
echo "- run-help to see list of all available commands."
echo
'';
}