Initial commit

This commit is contained in:
Jack O'Sullivan 2024-11-30 21:08:22 +00:00
commit 4ac2bbba62
9 changed files with 144 additions and 0 deletions

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.gitignore vendored Normal file
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.direnv/
.devenv/

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firmware/.envrc Normal file
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watch_file default.nix
use flake ..#firmware --override-input rootdir "file+file://"<(printf %s "$PWD")

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firmware/.gitignore vendored Normal file
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/build/
sdkconfig
sdkconfig.old

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firmware/CMakeLists.txt Normal file
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# For more information about build system see
# https://docs.espressif.com/projects/esp-idf/en/latest/api-guides/build-system.html
# The following five lines of boilerplate have to be in your project's
# CMakeLists in this exact order for cmake to work correctly
cmake_minimum_required(VERSION 3.16)
include($ENV{IDF_PATH}/tools/cmake/project.cmake)
project(valconomy)

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firmware/default.nix Normal file
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{
perSystem = { libMy, pkgs, ... }: {
devenv.shells.firmware = libMy.withRootdir {
packages = with pkgs; [
esp-idf-esp32s3
picocom
];
env = {
# PICO_SDK_PATH = "${pkgs.pico-sdk}/lib/pico-sdk";
};
scripts = {
# build.exec = ''
# cmake -S . -B build -D CMAKE_BUILD_TYPE=Debug -D PICO_STDIO_SEMIHOSTING=1
# cmake --build build --parallel
# '';
init.exec = ''
idf.py set-target esp32s3
'';
};
};
};
}

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idf_component_register(SRCS "valconomy.c"
INCLUDE_DIRS ".")

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firmware/main/valconomy.c Normal file
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#include <stdio.h>
#include <inttypes.h>
#include "sdkconfig.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "esp_chip_info.h"
#include "esp_flash.h"
#include "esp_system.h"
void app_main(void) {
printf("Hello world!\n");
/* Print chip information */
esp_chip_info_t chip_info;
uint32_t flash_size;
esp_chip_info(&chip_info);
printf("This is %s chip with %d CPU core(s), %s%s%s%s, ",
CONFIG_IDF_TARGET,
chip_info.cores,
(chip_info.features & CHIP_FEATURE_WIFI_BGN) ? "WiFi/" : "",
(chip_info.features & CHIP_FEATURE_BT) ? "BT" : "",
(chip_info.features & CHIP_FEATURE_BLE) ? "BLE" : "",
(chip_info.features & CHIP_FEATURE_IEEE802154) ? ", 802.15.4 (Zigbee/Thread)" : "");
unsigned major_rev = chip_info.revision / 100;
unsigned minor_rev = chip_info.revision % 100;
printf("silicon revision v%d.%d, ", major_rev, minor_rev);
if(esp_flash_get_size(NULL, &flash_size) != ESP_OK) {
printf("Get flash size failed");
return;
}
printf("%" PRIu32 "MB %s flash\n", flash_size / (uint32_t)(1024 * 1024),
(chip_info.features & CHIP_FEATURE_EMB_FLASH) ? "embedded" : "external");
printf("Minimum free heap size: %" PRIu32 " bytes\n", esp_get_minimum_free_heap_size());
for (int i = 10; i >= 0; i--) {
printf("Restarting in %d seconds...\n", i);
vTaskDelay(1000 / portTICK_PERIOD_MS);
}
printf("Restarting now.\n");
fflush(stdout);
esp_restart();
}

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# This file was generated using idf.py save-defconfig. It can be edited manually.
# Espressif IoT Development Framework (ESP-IDF) 5.3.1 Project Minimal Configuration
#
CONFIG_ESP_WIFI_DPP_SUPPORT=y

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flake.nix Normal file
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{
inputs = {
flake-parts.url = "github:hercules-ci/flake-parts";
devenv.url = "github:cachix/devenv";
devenv.inputs.nixpkgs.follows = "nixpkgs";
esp-dev.url = "github:mirrexagon/nixpkgs-esp-dev";
esp-dev.inputs.nixpkgs.follows = "nixpkgs";
rootdir = {
url = "file+file:///dev/null";
flake = false;
};
};
outputs = inputs@{ nixpkgs, flake-parts, devenv, esp-dev, rootdir, ... }:
flake-parts.lib.mkFlake { inherit inputs; } {
imports = [
devenv.flakeModule
./firmware
];
systems = [ "x86_64-linux" ];
perSystem = { inputs', system, lib, pkgs, config, ... }:
let
inherit (lib) mkMerge;
rootdirOpt =
let
rootFileContent = builtins.readFile rootdir.outPath;
in
pkgs.lib.mkIf (rootFileContent != "") rootFileContent;
in
{
_module.args = {
pkgs = import nixpkgs {
inherit system;
overlays = [
esp-dev.overlays.default
];
};
libMy = {
withRootdir = c: mkMerge [
c
{ devenv.root = rootdirOpt; }
];
};
};
};
};
}