diff options
| -rw-r--r-- | .clangd | 5 | ||||
| -rw-r--r-- | .envrc | 1 | ||||
| -rw-r--r-- | .gitignore | 7 | ||||
| -rw-r--r-- | LICENSE | 21 | ||||
| -rw-r--r-- | README.md | 3 | ||||
| -rw-r--r-- | compile_flags.txt | 12 | ||||
| -rw-r--r-- | flake.lock | 61 | ||||
| -rw-r--r-- | flake.nix | 46 | ||||
| -rw-r--r-- | justfile | 44 | ||||
| -rw-r--r-- | src/main.c | 9 |
10 files changed, 209 insertions, 0 deletions
@@ -0,0 +1,5 @@ +CompileFlags: + Compiler: avr-gcc +Diagnostics: + Suppress: unknown-attributes + Add: bugprone-*, readability-* @@ -0,0 +1 @@ +use flake diff --git a/.gitignore b/.gitignore new file mode 100644 index 0000000..0e2f1ed --- /dev/null +++ b/.gitignore @@ -0,0 +1,7 @@ +.clang_complete +.ccls +a.out +out/ +*.zip +fp-info-cache +*.lck @@ -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/README.md b/README.md new file mode 100644 index 0000000..e3fe1c9 --- /dev/null +++ b/README.md @@ -0,0 +1,3 @@ +# Temperature display for my soldering gun + +Solder gun hot. Me not know how hot. Look at display. Me know how hot. diff --git a/compile_flags.txt b/compile_flags.txt new file mode 100644 index 0000000..8d56fa5 --- /dev/null +++ b/compile_flags.txt @@ -0,0 +1,12 @@ +-g +-Os +-std=gnu99 +-Isrc +-mmcu=attiny84a +-I/nix/store/ivhsczriimr31rrmly0bcj03gv4qa3q7-avr-libc-avr-2.2.1/avr/include +-L/nix/store/ivhsczriimr31rrmly0bcj03gv4qa3q7-avr-libc-avr-2.2.1/avr/lib +-funsigned-char +-funsigned-bitfields +-fpack-struct +-fshort-enums +-Wall diff --git a/flake.lock b/flake.lock new file mode 100644 index 0000000..af8f58f --- /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": 1771369470, + "narHash": "sha256-0NBlEBKkN3lufyvFegY4TYv5mCNHbi5OmBDrzihbBMQ=", + "owner": "nixos", + "repo": "nixpkgs", + "rev": "0182a361324364ae3f436a63005877674cf45efb", + "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..d88e5a1 --- /dev/null +++ b/flake.nix @@ -0,0 +1,46 @@ +{ + 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.mkShell rec { + buildInputs = with pkgs; [ + pkgs.pkgsCross.avr.buildPackages.gcc + pkgs.pkgsCross.avr.avrlibc + arduino-core + avrdude + + # dev + openocd + clang-tools + unixtools.xxd + just + pkg-config + ]; + + AVR_LIBC = "${pkgs.pkgsCross.avr.avrlibc}"; + ARDUINO_LIB = "${pkgs.arduino}"; + LD_LIBRARY_PATH = "${pkgs.lib.makeLibraryPath buildInputs}"; + }; + in + flake-utils.lib.eachDefaultSystem ( + system: + let + pkgs = import nixpkgs { inherit system; }; + in + { + devShells.default = shell { inherit pkgs; }; + } + ); +} diff --git a/justfile b/justfile new file mode 100644 index 0000000..567f3c6 --- /dev/null +++ b/justfile @@ -0,0 +1,44 @@ +set export +# set unstable + +default: + echo - + +AVR_LIBC := env("AVR_LIBC", "/usr/lib/avr") +# F_CPU := "32768" +MCU := "attiny84a" +MCU_PART := "attiny84" +SRCS := "src/main.c src/display.c" +OUTDIR := "./out" +PROGRAMMER := "arduino" +UPLOAD_SPEED := "19200" +SERIAL_PORT := "/dev/ttyUSB0" + +CFLAGS := f"-g -Os -std=gnu99 -Isrc -mmcu={{MCU}} \ +-I{{AVR_LIBC}}/avr/include -L{{AVR_LIBC}}/avr/lib \ +-funsigned-char -funsigned-bitfields -fpack-struct -fshort-enums -Wall" + +AVRDUDE := f"avrdude -v -p {{MCU_PART}} -c {{PROGRAMMER}} -b {{UPLOAD_SPEED}}" + +build: compile-flags + mkdir -p {{OUTDIR}} + avr-gcc {{CFLAGS}} {{SRCS}} -o {{OUTDIR}}/out.elf + avr-objcopy -O ihex -R .eeprom {{OUTDIR}}/out.elf {{OUTDIR}}/out.hex + du -bh "{{OUTDIR}}/out.hex" + +write: build flash + +flash port=SERIAL_PORT: check-hexfile-exists + {{AVRDUDE}} -P {{port}} -F -U "flash:w:{{OUTDIR}}/out.hex:i" + +clean: + rm -rf {{OUTDIR}} + +format: + find src/ -iname '*.h' -o -iname '*.c' | xargs clang-format -i + +@check-hexfile-exists: + [ -f "{{OUTDIR}}/out.hex" ] || (echo "No out.hex. Run build first"; exit 1); + +@compile-flags: + echo '{{CFLAGS}}' | tr ' ' '\n' > ./compile_flags.txt diff --git a/src/main.c b/src/main.c new file mode 100644 index 0000000..cd3f0be --- /dev/null +++ b/src/main.c @@ -0,0 +1,9 @@ +#include <util/delay.h> + +int main(void) { + while (1) { + _delay_ms(1000); + } + + return 0; +} |