From 7224fce49e4fa8c0b966dcc8d4f9b1d12b02f66a Mon Sep 17 00:00:00 2001 From: Akshay Nair Date: Sat, 31 Jan 2026 17:35:51 +0530 Subject: Init commit with blink shit --- .clangd | 2 ++ .envrc | 1 + .gitignore | 7 +++++++ LICENSE | 21 +++++++++++++++++++ flake.lock | 61 ++++++++++++++++++++++++++++++++++++++++++++++++++++++ flake.nix | 50 ++++++++++++++++++++++++++++++++++++++++++++ justfile | 28 +++++++++++++++++++++++++ platformio.ini | 43 ++++++++++++++++++++++++++++++++++++++ setup_compiledb.sh | 30 +++++++++++++++++++++++++++ src/main.cpp | 16 ++++++++++++++ 10 files changed, 259 insertions(+) create mode 100644 .clangd create mode 100644 .envrc create mode 100644 .gitignore create mode 100644 LICENSE create mode 100644 flake.lock create mode 100644 flake.nix create mode 100644 justfile create mode 100644 platformio.ini create mode 100755 setup_compiledb.sh create mode 100644 src/main.cpp diff --git a/.clangd b/.clangd new file mode 100644 index 0000000..f7f6556 --- /dev/null +++ b/.clangd @@ -0,0 +1,2 @@ +CompileFlags: + Remove: [-mlongcalls, -free, -mtext-section-literals, -fipa-pta, -fno-tree-switch-conversion, -fstrict-volatile-bitfields] diff --git a/.envrc b/.envrc new file mode 100644 index 0000000..3550a30 --- /dev/null +++ b/.envrc @@ -0,0 +1 @@ +use flake diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..1628473 --- /dev/null +++ b/.gitignore @@ -0,0 +1,7 @@ +.pio +.clang_complete +.gcc-flags.json +.ccls +.cache/ +compile_commands.json +compiler_defines.h diff --git a/LICENSE b/LICENSE new file mode 100644 index 0000000..713d8cf --- /dev/null +++ b/LICENSE @@ -0,0 +1,21 @@ +MIT License + +Copyright (c) 2024 Akshay Nair + +Permission is hereby granted, free of charge, to any person obtaining a copy +of this software and associated documentation files (the "Software"), to deal +in the Software without restriction, including without limitation the rights +to use, copy, modify, merge, publish, distribute, sublicense, and/or sell +copies of the Software, and to permit persons to whom the Software is +furnished to do so, subject to the following conditions: + +The above copyright notice and this permission notice shall be included in all +copies or substantial portions of the Software. + +THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR +IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, +FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE +AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER +LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, +OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE +SOFTWARE. diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..90a6f4d --- /dev/null +++ b/flake.lock @@ -0,0 +1,61 @@ +{ + "nodes": { + "flake-utils": { + "inputs": { + "systems": "systems" + }, + "locked": { + "lastModified": 1731533236, + "narHash": "sha256-l0KFg5HjrsfsO/JpG+r7fRrqm12kzFHyUHqHCVpMMbI=", + "owner": "numtide", + "repo": "flake-utils", + "rev": "11707dc2f618dd54ca8739b309ec4fc024de578b", + "type": "github" + }, + "original": { + "owner": "numtide", + "repo": "flake-utils", + "type": "github" + } + }, + "nixpkgs": { + "locked": { + "lastModified": 1769461804, + "narHash": "sha256-msG8SU5WsBUfVVa/9RPLaymvi5bI8edTavbIq3vRlhI=", + "owner": "nixos", + "repo": "nixpkgs", + "rev": "bfc1b8a4574108ceef22f02bafcf6611380c100d", + "type": "github" + }, + "original": { + "owner": "nixos", + "ref": "nixos-unstable", + "repo": "nixpkgs", + "type": "github" + } + }, + "root": { + "inputs": { + "flake-utils": "flake-utils", + "nixpkgs": "nixpkgs" + } + }, + "systems": { + "locked": { + "lastModified": 1681028828, + "narHash": "sha256-Vy1rq5AaRuLzOxct8nz4T6wlgyUR7zLU309k9mBC768=", + "owner": "nix-systems", + "repo": "default", + "rev": "da67096a3b9bf56a91d16901293e51ba5b49a27e", + "type": "github" + }, + "original": { + "owner": "nix-systems", + "repo": "default", + "type": "github" + } + } + }, + "root": "root", + "version": 7 +} diff --git a/flake.nix b/flake.nix new file mode 100644 index 0000000..b947856 --- /dev/null +++ b/flake.nix @@ -0,0 +1,50 @@ +{ + inputs = { + nixpkgs.url = "github:nixos/nixpkgs?ref=nixos-unstable"; + flake-utils.url = "github:numtide/flake-utils"; + }; + + outputs = + { + self, + nixpkgs, + flake-utils, + ... + }: + let + shell = + { pkgs }: + pkgs.buildFHSEnv { + name = "daft-watch-env"; + targetPkgs = + pkgs: with pkgs; [ + (lib.hiPrio gcc) + platformio-core + avrdude + openocd + glibc + + # dev + clang-tools + unixtools.xxd + just + ]; + multiPkgs = pkgs: (with pkgs; [ udev ]); + + runScript = "zsh"; + profile = '' + export DIRENV_DISABLE_HOOK=1; # Dont recursively load direnv inside shell + export WITH_NIX_PREFIX="fhs"; + ''; + }; + in + flake-utils.lib.eachDefaultSystem ( + system: + let + pkgs = import nixpkgs { inherit system; }; + in + { + devShells.default = (shell { inherit pkgs; }).env; + } + ); +} diff --git a/justfile b/justfile new file mode 100644 index 0000000..749fde6 --- /dev/null +++ b/justfile @@ -0,0 +1,28 @@ +build: + pio run -e attiny84; + +check: + pio check --skip-packages + +upload: + pio run -e attiny84 -t upload + +clean: + pio run -t clean + +update: + pio pkg update + +monitor: + pio device monitor + +test: + pio test -e test + +format: + find include/ src/ -iname '*.h' -o -iname '*.cpp' | xargs clang-format -i + +devsetup: + # COMPILATIONDB_INCLUDE_TOOLCHAIN=true pio run -t compiledb + ./setup_compiledb.sh + diff --git a/platformio.ini b/platformio.ini new file mode 100644 index 0000000..1fab521 --- /dev/null +++ b/platformio.ini @@ -0,0 +1,43 @@ +; PlatformIO Project Configuration File +; +; Build options: build flags, source filter +; Upload options: custom upload port, speed and extra flags +; Library options: dependencies, extra library storages +; Advanced options: extra scripting +; +; Please visit documentation for the other options and examples +; https://docs.platformio.org/page/projectconf.html + +[cfg] +build_flags = + -Ilib -Isrc + -Wno-unused-variable -Wno-unused-but-set-variable -Wno-unused-function -Wno-format-extra-args + -std=gnu++2a +build_unflags = -Os -std=gnu++14 +monitor_filters = + time + colorize + send_on_enter + esp32_exception_decoder + +[env:attiny84] +platform = atmelavr +board = attiny84 +framework = arduino +board_build.mcu = attiny84 +board_build.f_cpu = 1000000L +upload_protocol = arduino +upload_speed = 19200 +upload_port = /dev/ttyUSB0 +upload_flags = + -C + $PROJECT_PACKAGES_DIR/tool-avrdude/avrdude.conf + -p + $BOARD_MCU + -P + $UPLOAD_PORT + -b + $UPLOAD_SPEED + -c + $UPLOAD_PROTOCOL + diff --git a/setup_compiledb.sh b/setup_compiledb.sh new file mode 100755 index 0000000..9233bb1 --- /dev/null +++ b/setup_compiledb.sh @@ -0,0 +1,30 @@ +#!/usr/bin/env bash + +export COMPILATIONDB_INCLUDE_TOOLCHAIN=true + +# Compile the project +pio run -t compiledb + +# Clean up existing define files +rm -f _compiler_defines.h compiler_defines.h clang_defines.h + +# Generate defines for clang +gcc -dM -xc++ /dev/null -c -v -E 2>/dev/null | sed "s/\([^[:space:]]\+[[:space:]]\+[^[:space:]]\+\)\(.*\)/\1/;s/#define/#undef/" >clang_defines.h + +# Iterate through compile_commands.json and extract compiler defines +for comp in $(cat compile_commands.json | grep -E "\"command\": \"[^[:space:]]* -o" | sed 's:"command"\: "::g; s:-o.*::g' | sort | uniq); do + set -x + $comp -dM -E -xc++ /dev/null >>_compiler_defines.h + set +x +done + +# Combine defines from clang and extracted defines +cat clang_defines.h > compiler_defines.h +cat _compiler_defines.h | sort | uniq >> compiler_defines.h + +# Clean up temporary define files +rm -f _compiler_defines.h clang_defines.h + +# Update compile_commands.json with additional include flags +sed -i "s:.cpp\",:.cpp -include $${PWD}/compiler_defines.h\",:" compile_commands.json +sed -i "s:.c\",:.c -include $${PWD}/compiler_defines.h\",:" compile_commands.json diff --git a/src/main.cpp b/src/main.cpp new file mode 100644 index 0000000..6226244 --- /dev/null +++ b/src/main.cpp @@ -0,0 +1,16 @@ +#include + +// Physical Pin 2 on the ATtiny84a is Arduino Digital Pin 0 +#define LED_PIN 0 + +void setup() { + // Initialize the digital pin as an output. + pinMode(LED_PIN, OUTPUT); +} + +void loop() { + digitalWrite(LED_PIN, HIGH); // Turn the LED on + delay(1000); // Wait for a second + digitalWrite(LED_PIN, LOW); // Turn the LED off + delay(1000); // Wait for a second +} -- cgit v1.3.1