Merge branch 'main' into dev-twi

LICENSE

@@ -0,0 +1,21 @@
+MIT License
+
+Copyright (c) 2025 Erick Ahmed
+
+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.

firmware/atmega/Makefile

@@ -1,4 +1,4 @@
-PROJECT = vase-control
+PROJECT = plant-manager
 
 MCU = atmega328p
 F_CPU = 16000000UL

firmware/atmega/source/eeprom.c

@@ -23,3 +23,13 @@ void eepromWrite(uint8_t address, uint8_t data) {
         EECR |= (1 << EEPE);
     }
 }
+
+void eepromFlush(uint8_t address)  {
+    if (eepromRead(address) != 0) {
+        EEAR = address;
+        EEDR = 0;
+
+        EECR |= (1 << EEMPE);
+        EECR |= (1 << EEPE);
+    }
+}

firmware/esp32/CMakeLists.txt

@@ -0,0 +1,4 @@
+cmake_minimum_required(VERSION 3.16)
+
+include($ENV{IDF_PATH}/tools/cmake/project.cmake)
+project(plant-manager)

firmware/esp32/Dockerfile

@@ -0,0 +1,48 @@
+FROM ubuntu:22.04
+
+ENV DEBIAN_FRONTEND=noninteractive
+
+RUN apt-get update && \
+    apt-get install -y --no-install-recommends \
+    git \
+    wget \
+    flex \
+    bison \
+    gperf \
+    python3 \
+    python3-pip \
+    python3-venv \
+    cmake \
+    ninja-build \
+    ccache \
+    libffi-dev \
+    libssl-dev \
+    dfu-util \
+    libusb-1.0-0 \
+    && apt-get autoremove
+
+WORKDIR /usr/src/
+
+ENV IDF_PATH=/usr/src/esp/esp-idf
+ENV IDF_PATH_FORCE=1
+
+RUN mkdir -p /usr/src/esp/firmware
+RUN git clone --recursive https://github.com/espressif/esp-idf.git $IDF_PATH
+
+RUN cd $IDF_PATH && ./install.sh esp32c3
+
+COPY . /usr/src/esp/firmware/
+
+WORKDIR /usr/src/esp/firmware/
+
+# Create sdkconfig.defaults with correct flash settings
+RUN echo "CONFIG_ESPTOOLPY_FLASHMODE=dio" > sdkconfig.defaults && \
+    echo "CONFIG_ESPTOOLPY_FLASHFREQ=40m" >> sdkconfig.defaults && \
+    echo "CONFIG_ESPTOOLPY_FLASHSIZE=4MB" >> sdkconfig.defaults
+
+RUN rm -rf build && /bin/bash -c "source $IDF_PATH/export.sh && idf.py set-target esp32c3 && idf.py build"
+
+RUN mkdir -p /usr/src/build && \
+    cp build/bootloader/bootloader.bin /usr/src/build/ && \
+    cp build/partition_table/partition-table.bin /usr/src/build/ && \
+    cp build/plant-manager.bin /usr/src/build/

firmware/esp32/build-esp32.sh

@@ -0,0 +1,27 @@
+#!/usr/bin/env bash
+set -e
+
+IMAGE_NAME="esp32-builder"
+SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)
+DOCKERFILE="$SCRIPT_DIR/Dockerfile"
+BUILD_CTX="$SCRIPT_DIR"
+DEST_DIR="$SCRIPT_DIR/build"
+
+docker build -t "$IMAGE_NAME" -f "$DOCKERFILE" "$BUILD_CTX"
+
+mkdir -p "$DEST_DIR"
+
+docker run --rm -v "$DEST_DIR":/output "$IMAGE_NAME" cp -r /usr/src/build/. /output/
+
+#echo "Erasing flash..."
+#esptool --chip esp32c3 --port /dev/tty.usbmodem101 erase-flash
+
+esptool --chip esp32c3 --port /dev/tty.usbmodem101 --baud 115200 write-flash \
+  --flash-mode dio \
+  --flash-freq 40m \
+  --flash-size 4MB \
+  0x0000 "$DEST_DIR/bootloader.bin" \
+  0x8000 "$DEST_DIR/partition-table.bin" \
+  0x10000 "$DEST_DIR/plant-manager.bin"
+
+screen -fn /dev/tty.usbmodem101 115200

firmware/esp32/include/main.hpp

@@ -0,0 +1,9 @@
+   #ifdef __cplusplus
+   extern "C" {
+   #endif
+
+   extern volatile bool criticalErrorFlag;
+
+   #ifdef __cplusplus
+   }
+   #endif

firmware/esp32/include/wifi-credentials.h

@@ -0,0 +1,8 @@
+#ifndef WIFI_CREDENTIALS_H
+#define WIFI_CREDENTIALS_H
+
+#define SSID       "your_wifi_ssid"
+#define PASSWORD   "your_wifi_password"
+#define AUTH_MODE  WIFI_AUTH_WPA2_PSK
+
+#endif

firmware/esp32/include/wifi.hpp

@@ -0,0 +1,6 @@
+#ifndef WIFI_HPP
+#define WIFI_HPP
+
+void wifiTask(void *pvParameters);
+
+#endif

firmware/esp32/main/CMakeLists.txt

@@ -0,0 +1,10 @@
+idf_component_register(SRCS "./main.cpp"
+                            "./wifi.cpp"
+                       INCLUDE_DIRS "../include"
+                       REQUIRES esp_wifi
+                                nvs_flash
+                                esp_pm
+                                esp_hw_support
+                                esp_system
+                                freertos
+                                log)

firmware/esp32/main/main.cpp

@@ -0,0 +1,51 @@
+#include "freertos/FreeRTOS.h"
+#include "freertos/task.h"
+#include "freertos/semphr.h"
+#include "esp_system.h"
+#include "esp_log.h"
+#include "esp_pm.h"
+#include "esp_task_wdt.h"
+#include "wifi.hpp"
+
+static const char* TAG = "MAIN";
+
+volatile bool criticalErrorFlag = false;
+
+static void watchdogTask(void *pvParameters) {
+    esp_task_wdt_config_t twdt_config = {
+        .timeout_ms = 12000,
+        .idle_core_mask = 0,
+        .trigger_panic = true,
+    };
+    ESP_ERROR_CHECK(esp_task_wdt_deinit());
+    ESP_ERROR_CHECK(esp_task_wdt_init(&twdt_config));
+
+    ESP_ERROR_CHECK(esp_task_wdt_add(NULL));
+
+    const TickType_t keepAlivePeriod = pdMS_TO_TICKS(8000);
+
+    for(;;) {
+        if (criticalErrorFlag) {
+            ESP_LOGE(TAG, "Critical error flag raised. Rebooting.");
+            esp_restart();
+        }
+
+        ESP_ERROR_CHECK(esp_task_wdt_reset());
+        ESP_LOGI(TAG, "WDT reset");
+
+        vTaskDelay(keepAlivePeriod);
+    }
+}
+
+extern "C" void app_main(void)
+{
+    static const esp_pm_config_t pm_cfg = {
+        .max_freq_mhz       = 160,
+        .min_freq_mhz       = 10,
+        .light_sleep_enable = true
+    };
+    esp_pm_configure(&pm_cfg);
+
+    xTaskCreate(watchdogTask, "watchdogs", 2048, NULL, configMAX_PRIORITIES-1, NULL);
+    xTaskCreate(wifiTask, "wifi", 4096, NULL, configMAX_PRIORITIES-4, NULL);
+}

firmware/esp32/main/wifi.cpp

@@ -0,0 +1,92 @@
+#include "freertos/FreeRTOS.h"
+#include "freertos/event_groups.h"
+#include "esp_task_wdt.h"
+#include "esp_wifi.h"
+#include "esp_event.h"
+#include "esp_log.h"
+#include "nvs_flash.h"
+#include "main.hpp"
+#include "wifi-credentials.h"
+
+#define WIFI_TIMEOUT_TICKS pdMS_TO_TICKS(8000)
+
+static const char* TAG = "WIFI";
+const int WIFI_CONNECTED_BIT = BIT0;
+
+EventGroupHandle_t wifi_event_group;
+
+static void wifi_event_handler(void* arg, esp_event_base_t event_base, int32_t event_id, void* event_data) {
+    if (event_base == WIFI_EVENT) {
+        switch (event_id) {
+            case WIFI_EVENT_STA_START:
+                ESP_LOGI(TAG, "Wi-Fi process started, connecting...");
+
+                esp_wifi_connect();
+                break;
+            case WIFI_EVENT_STA_DISCONNECTED: {
+                wifi_event_sta_disconnected_t* disconn = (wifi_event_sta_disconnected_t*) event_data;
+                ESP_LOGW(TAG, "Disconnected, reason: %d", disconn->reason);
+
+                xEventGroupClearBits(wifi_event_group, WIFI_CONNECTED_BIT);
+                esp_wifi_connect();
+                break;
+            }
+            default:
+                break;
+        }
+    }
+    else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
+        ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
+        ESP_LOGI(TAG, "Got IP: " IPSTR, IP2STR(&event->ip_info.ip));
+        xEventGroupSetBits(wifi_event_group, WIFI_CONNECTED_BIT);
+    }
+}
+
+
+static void wifi_init_sta(void) {
+    esp_err_t nvs_err = nvs_flash_init();
+
+    if (nvs_err == ESP_ERR_NVS_NO_FREE_PAGES || nvs_err == ESP_ERR_NVS_NEW_VERSION_FOUND) {
+        ESP_ERROR_CHECK(nvs_flash_erase());
+        ESP_ERROR_CHECK(nvs_flash_init());
+    }
+
+    wifi_event_group = xEventGroupCreate();
+
+    ESP_ERROR_CHECK(esp_netif_init());
+
+    ESP_ERROR_CHECK(esp_event_loop_create_default());
+
+    esp_netif_create_default_wifi_sta();
+    wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
+    ESP_ERROR_CHECK(esp_wifi_init(&cfg));
+
+    ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT, ESP_EVENT_ANY_ID, &wifi_event_handler, NULL, NULL));
+    ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT, IP_EVENT_STA_GOT_IP, &wifi_event_handler, NULL, NULL));
+
+    wifi_config_t wifi_config{};
+    strncpy((char*)wifi_config.sta.ssid, SSID, sizeof(wifi_config.sta.ssid));
+    strncpy((char*)wifi_config.sta.password, PASSWORD, sizeof(wifi_config.sta.password));
+    wifi_config.sta.threshold.authmode = AUTH_MODE;
+    wifi_config.sta.pmf_cfg.capable = true;
+    wifi_config.sta.pmf_cfg.required = false;
+
+    ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_STA));
+    ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_STA, &wifi_config));
+    ESP_ERROR_CHECK(esp_wifi_start());
+}
+
+void wifiTask(void *pvParameters) {
+    ESP_LOGI(TAG, "WiFi task started");
+
+    wifi_init_sta();
+    ESP_ERROR_CHECK(esp_task_wdt_add(NULL));
+
+    for(;;) {
+        EventBits_t bits = xEventGroupWaitBits(wifi_event_group, WIFI_CONNECTED_BIT, pdFALSE, pdTRUE, WIFI_TIMEOUT_TICKS);
+
+        ESP_ERROR_CHECK(esp_task_wdt_reset());
+        ESP_LOGI(TAG, "Wi-Fi task reset");
+        vTaskDelay(pdMS_TO_TICKS(4000));
+    }
+}

firmware/esp32/source/main.cpp

@@ -1,8 +0,0 @@
-#include "freertos/FreeRTOS.h"
-#include "freertos/task.h"
-#include "driver/gpio.h"
-
-extern "C" void app_main(void)
-{
-
-}