663 lines
28 KiB
C
Executable File
663 lines
28 KiB
C
Executable File
#include <stdio.h>
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#include <string.h>
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/event_groups.h"
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#include "esp_system.h"
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#include "esp_wifi.h"
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#include "esp_event.h"
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#include "esp_log.h"
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#include "esp_http_server.h"
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#include "esp_task_wdt.h"
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#include "nvs_flash.h"
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#include "nvs.h"
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#include "cJSON.h"
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// Project modules
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#include "config.h"
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#include "motor_control.h"
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// WiFi event group
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static EventGroupHandle_t s_wifi_event_group;
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static int s_retry_num = 0;
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// HTTP server handle
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static httpd_handle_t server = NULL;
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// Task handles for watchdog
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static TaskHandle_t main_task_handle = NULL;
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// Compact HTML web page for control
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static const char* html_page =
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"<!DOCTYPE html><html><head><title>Maxxfan</title><meta name=\"viewport\" content=\"width=device-width,initial-scale=1\"><style>"
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"body{font-family:Arial;margin:20px;background:#f0f0f0}.container{max-width:500px;margin:0 auto;background:white;padding:20px;border-radius:8px}"
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"h1{color:#333;text-align:center;margin:0 0 20px}button{padding:12px 20px;margin:5px;border:none;border-radius:4px;cursor:pointer;font-size:14px}"
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".off{background:#f44336;color:white}.exhaust{background:#ff9800;color:white}.intake{background:#4CAF50;color:white}.on{background:#2196F3;color:white}"
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".status{background:#e3f2fd;padding:15px;border-radius:4px;margin:15px 0}.ramping{background:#fff3e0;padding:8px;margin:8px 0;display:none}"
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".cooldown{background:#ffebee;padding:8px;margin:8px 0;color:#c62828;display:none}"
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".error{background:#ffebee;padding:8px;margin:8px 0;color:#c62828;display:none}.slider{width:100%;height:30px;margin:10px 0}"
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"</style></head><body><div class=\"container\"><h1>Maxxfan Controller</h1>"
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"<div class=\"status\"><h4>Status</h4><p>Mode: <span id=\"mode\">OFF</span></p><p>Speed: <span id=\"speed\">0</span>%</p>"
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"<p>Target: <span id=\"target\">0</span>%</p><p>State: <span id=\"state\">IDLE</span></p>"
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"<p>Last ON: <span id=\"lastOn\">EXHAUST @ 50%</span></p>"
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"<div id=\"rampStatus\" class=\"ramping\">Ramping...</div>"
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"<div id=\"cooldownStatus\" class=\"cooldown\">Direction change cooldown: <span id=\"cooldownTime\">0</span>s</div>"
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"<div id=\"errorStatus\" class=\"error\">Error</div><small id=\"connectionStatus\">Connecting...</small></div>"
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"<div><h3>Fan Control</h3><button class=\"off\" onclick=\"setFan('off',0)\">OFF</button>"
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"<button class=\"on\" onclick=\"setFan('on',0)\">ON (Resume Last)</button>"
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"<button class=\"exhaust\" onclick=\"setFan('exhaust',50)\">Exhaust 50%</button>"
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"<button class=\"intake\" onclick=\"setFan('intake',50)\">Intake 50%</button></div>"
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"<div><h3>Speed Control</h3><label>Speed: <span id=\"speedValue\">50</span>%</label>"
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"<input type=\"range\" id=\"speedSlider\" class=\"slider\" min=\"0\" max=\"100\" value=\"50\" oninput=\"updateSpeed(this.value)\">"
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"<button class=\"exhaust\" onclick=\"setFanSpeed('exhaust')\">Set Exhaust</button>"
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"<button class=\"intake\" onclick=\"setFanSpeed('intake')\">Set Intake</button></div></div>"
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"<script>let currentSpeed=50,updateInterval=null,errorCount=0;"
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"function updateSpeed(v){currentSpeed=parseInt(v);document.getElementById('speedValue').textContent=v}"
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"function showError(m){document.getElementById('errorStatus').innerHTML='Error: '+m;document.getElementById('errorStatus').style.display='block';"
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"document.getElementById('connectionStatus').textContent='Error'}"
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"function hideError(){document.getElementById('errorStatus').style.display='none';"
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"document.getElementById('connectionStatus').textContent='Connected';errorCount=0}"
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"function setFan(mode,speed){if(mode==='on'){fetch('/fan',{method:'POST',headers:{'Content-Type':'application/json'},"
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"body:JSON.stringify({mode:'on',speed:0})})"
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".then(r=>{if(!r.ok)throw new Error('HTTP '+r.status);return r.json()})"
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".then(d=>{updateStatus(d);hideError()}).catch(e=>{console.error(e);showError(e.message)});return;}"
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"currentSpeed=speed;document.getElementById('speedSlider').value=speed;"
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"document.getElementById('speedValue').textContent=speed;fetch('/fan',{method:'POST',"
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"headers:{'Content-Type':'application/json'},body:JSON.stringify({mode:mode,speed:parseInt(speed)})})"
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".then(r=>{if(!r.ok)throw new Error('HTTP '+r.status);return r.json()})"
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".then(d=>{updateStatus(d);hideError()}).catch(e=>{console.error(e);showError(e.message)})}"
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"function setFanSpeed(mode){fetch('/fan',{method:'POST',headers:{'Content-Type':'application/json'},"
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"body:JSON.stringify({mode:mode,speed:parseInt(currentSpeed)})})"
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".then(r=>{if(!r.ok)throw new Error('HTTP '+r.status);return r.json()})"
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".then(d=>{updateStatus(d);hideError()}).catch(e=>{console.error(e);showError(e.message)})}"
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"function updateStatus(data){document.getElementById('mode').textContent=data.mode.toUpperCase();"
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"document.getElementById('speed').textContent=data.current_speed;"
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"document.getElementById('target').textContent=data.target_speed;"
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"document.getElementById('state').textContent=data.state.toUpperCase();"
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"if(data.last_on_mode&&data.last_on_speed){document.getElementById('lastOn').textContent=data.last_on_mode.toUpperCase()+' @ '+data.last_on_speed+'%';}"
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"document.getElementById('rampStatus').style.display=data.ramping?'block':'none';"
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"let cooldownDiv=document.getElementById('cooldownStatus');"
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"if(data.cooldown_remaining>0){cooldownDiv.style.display='block';"
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"document.getElementById('cooldownTime').textContent=Math.ceil(data.cooldown_remaining/1000);}else{cooldownDiv.style.display='none';}}"
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"function getStatus(){fetch('/status').then(r=>{if(!r.ok)throw new Error('HTTP '+r.status);return r.json()})"
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".then(d=>{updateStatus(d);hideError()}).catch(e=>{errorCount++;if(errorCount>=3)showError('Connection lost')})}"
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"function startUpdates(){if(updateInterval)clearInterval(updateInterval);updateInterval=setInterval(getStatus,1000)}"
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"document.addEventListener('DOMContentLoaded',function(){getStatus();startUpdates()})</script></body></html>";
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// Forward declarations
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static esp_err_t save_motor_state_to_nvs(void);
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static esp_err_t load_motor_state_from_nvs(void);
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static bool is_watchdog_reset(void);
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// Initialize watchdog timer
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void init_watchdog(void) {
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ESP_LOGI(SYSTEM_TAG, "Setting up watchdog monitoring...");
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// Get current task handle and add to watchdog
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main_task_handle = xTaskGetCurrentTaskHandle();
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esp_err_t result = esp_task_wdt_add(main_task_handle);
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if (result == ESP_OK) {
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ESP_LOGI(SYSTEM_TAG, "Main task added to watchdog monitoring");
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} else if (result == ESP_ERR_INVALID_ARG) {
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ESP_LOGI(SYSTEM_TAG, "Task already monitored by watchdog");
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} else {
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ESP_LOGW(SYSTEM_TAG, "Watchdog not available: %s", esp_err_to_name(result));
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main_task_handle = NULL; // Disable watchdog feeding
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}
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}
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// Feed the watchdog
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void feed_watchdog(void) {
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if (main_task_handle != NULL) {
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esp_err_t result = esp_task_wdt_reset();
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if (result != ESP_OK) {
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MOTOR_LOGD(SYSTEM_TAG, "Watchdog reset failed: %s", esp_err_to_name(result));
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}
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}
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}
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// Check if this was a watchdog reset
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static bool is_watchdog_reset(void) {
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esp_reset_reason_t reset_reason = esp_reset_reason();
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// Only consider TASK_WDT and INT_WDT as true watchdog resets
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// ESP_RST_WDT can be triggered by power disconnection, so we exclude it
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return (reset_reason == ESP_RST_TASK_WDT ||
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reset_reason == ESP_RST_INT_WDT);
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}
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// Save motor state to NVS
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static esp_err_t save_motor_state_to_nvs(void) {
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nvs_handle_t nvs_handle;
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esp_err_t err;
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err = nvs_open(NVS_NAMESPACE, NVS_READWRITE, &nvs_handle);
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if (err != ESP_OK) {
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ESP_LOGE(SYSTEM_TAG, "Error opening NVS handle: %s", esp_err_to_name(err));
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return err;
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}
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// Get current motor state
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const motor_state_t* state = motor_get_state();
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motor_mode_t last_on_mode;
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int last_on_speed;
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motor_get_last_on_state(&last_on_mode, &last_on_speed);
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bool user_turned_off = motor_get_user_turned_off();
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ESP_LOGI(SYSTEM_TAG, "=== SAVING STATE TO NVS ===");
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ESP_LOGI(SYSTEM_TAG, "Mode: %d, Speed: %d%%, Last ON: %d@%d%%, User OFF: %s",
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state->mode, state->target_speed,
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last_on_mode, last_on_speed,
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user_turned_off ? "YES" : "NO");
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// Save current motor state
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err = nvs_set_u8(nvs_handle, NVS_KEY_MODE, (uint8_t)state->mode);
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if (err == ESP_OK) {
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err = nvs_set_u8(nvs_handle, NVS_KEY_SPEED, (uint8_t)state->target_speed);
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}
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// Save last ON state
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if (err == ESP_OK) {
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err = nvs_set_u8(nvs_handle, NVS_KEY_LAST_ON_MODE, (uint8_t)last_on_mode);
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}
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if (err == ESP_OK) {
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err = nvs_set_u8(nvs_handle, NVS_KEY_LAST_ON_SPEED, (uint8_t)last_on_speed);
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}
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// Save power state (whether user turned off manually)
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if (err == ESP_OK) {
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err = nvs_set_u8(nvs_handle, NVS_KEY_POWER_STATE, user_turned_off ? 1 : 0);
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}
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if (err == ESP_OK) {
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err = nvs_commit(nvs_handle);
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if (err == ESP_OK) {
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ESP_LOGI(SYSTEM_TAG, "✓ Motor state successfully saved to NVS");
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} else {
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ESP_LOGE(SYSTEM_TAG, "✗ NVS commit failed: %s", esp_err_to_name(err));
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}
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} else {
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ESP_LOGE(SYSTEM_TAG, "✗ Error saving to NVS: %s", esp_err_to_name(err));
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}
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ESP_LOGI(SYSTEM_TAG, "===========================");
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nvs_close(nvs_handle);
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return err;
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}
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// Load motor state from NVS
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static esp_err_t load_motor_state_from_nvs(void) {
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nvs_handle_t nvs_handle;
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esp_err_t err;
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err = nvs_open(NVS_NAMESPACE, NVS_READONLY, &nvs_handle);
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if (err != ESP_OK) {
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ESP_LOGI(SYSTEM_TAG, "NVS not found, using default state");
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return ESP_ERR_NVS_NOT_FOUND;
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}
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uint8_t stored_mode = 0;
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uint8_t stored_speed = 0;
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uint8_t stored_last_mode = 1; // Default to MOTOR_EXHAUST
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uint8_t stored_last_speed = 50;
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uint8_t stored_power_state = 0;
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// Load current motor state
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err = nvs_get_u8(nvs_handle, NVS_KEY_MODE, &stored_mode);
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if (err == ESP_OK) {
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nvs_get_u8(nvs_handle, NVS_KEY_SPEED, &stored_speed);
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nvs_get_u8(nvs_handle, NVS_KEY_LAST_ON_MODE, &stored_last_mode);
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nvs_get_u8(nvs_handle, NVS_KEY_LAST_ON_SPEED, &stored_last_speed);
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nvs_get_u8(nvs_handle, NVS_KEY_POWER_STATE, &stored_power_state);
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// Validate ranges using config macros
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if (stored_mode > MOTOR_INTAKE) stored_mode = MOTOR_OFF;
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if (!IS_VALID_SPEED(stored_speed)) stored_speed = 0;
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if (stored_last_mode < MOTOR_EXHAUST || stored_last_mode > MOTOR_INTAKE) stored_last_mode = MOTOR_EXHAUST;
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if (!IS_VALID_SPEED(stored_last_speed)) stored_last_speed = 50;
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// Set the last ON state in motor control module
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motor_set_last_on_state((motor_mode_t)stored_last_mode, stored_last_speed);
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motor_set_user_turned_off(stored_power_state == 1);
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ESP_LOGI(SYSTEM_TAG, "Loaded state from NVS - Mode: %d, Speed: %d%%, Last ON: %d@%d%%, User OFF: %s",
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stored_mode, stored_speed, stored_last_mode, stored_last_speed,
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stored_power_state ? "YES" : "NO");
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// Check reset reason to decide whether to restore state
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bool was_watchdog_reset = is_watchdog_reset();
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esp_reset_reason_t reset_reason = esp_reset_reason();
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ESP_LOGI(SYSTEM_TAG, "=== RESET ANALYSIS ===");
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ESP_LOGI(SYSTEM_TAG, "Reset reason: %d", reset_reason);
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ESP_LOGI(SYSTEM_TAG, "Reset reason name: %s",
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reset_reason == ESP_RST_POWERON ? "POWERON" :
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reset_reason == ESP_RST_EXT ? "EXTERNAL" :
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reset_reason == ESP_RST_SW ? "SOFTWARE" :
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reset_reason == ESP_RST_PANIC ? "PANIC" :
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reset_reason == ESP_RST_INT_WDT ? "INT_WDT" :
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reset_reason == ESP_RST_TASK_WDT ? "TASK_WDT" :
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reset_reason == ESP_RST_WDT ? "WDT" :
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reset_reason == ESP_RST_DEEPSLEEP ? "DEEPSLEEP" :
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reset_reason == ESP_RST_BROWNOUT ? "BROWNOUT" :
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reset_reason == ESP_RST_SDIO ? "SDIO" : "UNKNOWN");
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ESP_LOGI(SYSTEM_TAG, "Watchdog reset: %s", was_watchdog_reset ? "YES" : "NO");
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ESP_LOGI(SYSTEM_TAG, "Stored mode: %d, speed: %d", stored_mode, stored_speed);
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ESP_LOGI(SYSTEM_TAG, "User turned off: %s", stored_power_state ? "YES" : "NO");
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ESP_LOGI(SYSTEM_TAG, "====================");
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// Store the restored state for potential motor restoration
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if (was_watchdog_reset) {
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// True watchdog reset (TASK_WDT or INT_WDT) - don't restore state, start fresh
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ESP_LOGI(SYSTEM_TAG, "⚠️ TRUE watchdog reset detected - starting in OFF state for safety");
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// Motor module is already initialized in OFF state, no action needed
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} else if (stored_power_state) {
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// User manually turned off - stay off
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ESP_LOGI(SYSTEM_TAG, "🔒 User had turned off manually - staying OFF");
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// Motor module is already initialized in OFF state, no action needed
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} else if (stored_mode != MOTOR_OFF && stored_speed > 0) {
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// Normal power loss or general WDT (which can be power-related) - restore previous state
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ESP_LOGI(SYSTEM_TAG, "🔋 Power restored - will resume previous state: %s @ %d%%",
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stored_mode == MOTOR_EXHAUST ? "EXHAUST" : "INTAKE", stored_speed);
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// Set the motor to the restored state (will be applied after initialization)
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motor_set_speed((motor_mode_t)stored_mode, stored_speed);
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} else {
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ESP_LOGI(SYSTEM_TAG, "❌ No valid state to restore (mode=%d, speed=%d)", stored_mode, stored_speed);
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// Motor module is already initialized in OFF state, no action needed
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}
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} else {
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ESP_LOGI(SYSTEM_TAG, "No saved state found, using defaults");
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err = ESP_ERR_NVS_NOT_FOUND;
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}
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nvs_close(nvs_handle);
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return err;
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}
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// WiFi event handler
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static void event_handler(void* arg, esp_event_base_t event_base,
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int32_t event_id, void* event_data)
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{
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if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_START) {
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esp_wifi_connect();
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} else if (event_base == WIFI_EVENT && event_id == WIFI_EVENT_STA_DISCONNECTED) {
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if (s_retry_num < WIFI_MAXIMUM_RETRY) {
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esp_wifi_connect();
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s_retry_num++;
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ESP_LOGI(SYSTEM_TAG, "retry to connect to the AP");
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} else {
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xEventGroupSetBits(s_wifi_event_group, WIFI_FAIL_BIT);
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}
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ESP_LOGI(SYSTEM_TAG, "connect to the AP fail");
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} else if (event_base == IP_EVENT && event_id == IP_EVENT_STA_GOT_IP) {
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ip_event_got_ip_t* event = (ip_event_got_ip_t*) event_data;
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ESP_LOGI(SYSTEM_TAG, "got ip:" IPSTR, IP2STR(&event->ip_info.ip));
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s_retry_num = 0;
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xEventGroupSetBits(s_wifi_event_group, WIFI_CONNECTED_BIT);
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}
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}
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// Helper function to set CORS headers
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static void set_cors_headers(httpd_req_t *req) {
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httpd_resp_set_hdr(req, "Access-Control-Allow-Origin", "*");
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httpd_resp_set_hdr(req, "Access-Control-Allow-Methods", "GET, POST, OPTIONS");
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httpd_resp_set_hdr(req, "Access-Control-Allow-Headers", "Content-Type, Accept");
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httpd_resp_set_hdr(req, "Cache-Control", "no-cache");
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}
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// HTTP handler for the main web page
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static esp_err_t root_get_handler(httpd_req_t *req)
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{
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set_cors_headers(req);
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httpd_resp_set_type(req, "text/html");
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httpd_resp_send(req, html_page, HTTPD_RESP_USE_STRLEN);
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return ESP_OK;
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}
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// HTTP handler for fan status (GET /status)
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static esp_err_t status_get_handler(httpd_req_t *req)
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{
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// Update cooldown time before reporting
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motor_update_cooldown_time();
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// Get current motor state
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const motor_state_t* state = motor_get_state();
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motor_mode_t last_on_mode;
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int last_on_speed;
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motor_get_last_on_state(&last_on_mode, &last_on_speed);
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ESP_LOGI(SYSTEM_TAG, "Status request - Mode: %s, Current: %d%%, Target: %d%%, State: %s, Ramping: %s",
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motor_mode_to_string(state->mode), state->current_speed, state->target_speed,
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motor_state_to_string(state->state), state->ramping ? "YES" : "NO");
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set_cors_headers(req);
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httpd_resp_set_type(req, "application/json");
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cJSON *json = cJSON_CreateObject();
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const char* mode_str = "off";
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if (state->mode == MOTOR_EXHAUST) mode_str = "exhaust";
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else if (state->mode == MOTOR_INTAKE) mode_str = "intake";
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const char* state_str = "idle";
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switch (state->state) {
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case MOTOR_STATE_RAMPING: state_str = "ramping"; break;
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case MOTOR_STATE_STOPPING: state_str = "stopping"; break;
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case MOTOR_STATE_COOLDOWN: state_str = "cooldown"; break;
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case MOTOR_STATE_RESTARTING: state_str = "restarting"; break;
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default: state_str = "idle"; break;
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}
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const char* last_on_mode_str = "exhaust";
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if (last_on_mode == MOTOR_INTAKE) last_on_mode_str = "intake";
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cJSON_AddStringToObject(json, "mode", mode_str);
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cJSON_AddNumberToObject(json, "current_speed", state->current_speed);
|
|
cJSON_AddNumberToObject(json, "target_speed", state->target_speed);
|
|
cJSON_AddStringToObject(json, "state", state_str);
|
|
cJSON_AddBoolToObject(json, "ramping", state->ramping);
|
|
cJSON_AddNumberToObject(json, "cooldown_remaining", state->cooldown_remaining_ms);
|
|
cJSON_AddStringToObject(json, "last_on_mode", last_on_mode_str);
|
|
cJSON_AddNumberToObject(json, "last_on_speed", last_on_speed);
|
|
|
|
// Add pending command info if in cooldown
|
|
if (state->state == MOTOR_STATE_COOLDOWN) {
|
|
const char* pending_mode_str = "off";
|
|
if (state->pending_mode == MOTOR_EXHAUST) pending_mode_str = "exhaust";
|
|
else if (state->pending_mode == MOTOR_INTAKE) pending_mode_str = "intake";
|
|
|
|
cJSON_AddStringToObject(json, "pending_mode", pending_mode_str);
|
|
cJSON_AddNumberToObject(json, "pending_speed", state->pending_speed);
|
|
}
|
|
|
|
char *json_string = cJSON_Print(json);
|
|
if (json_string) {
|
|
httpd_resp_send(req, json_string, strlen(json_string));
|
|
free(json_string);
|
|
} else {
|
|
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "JSON creation failed");
|
|
}
|
|
|
|
cJSON_Delete(json);
|
|
return ESP_OK;
|
|
}
|
|
|
|
// HTTP handler for fan control (POST /fan)
|
|
static esp_err_t fan_post_handler(httpd_req_t *req)
|
|
{
|
|
char buf[MAX_JSON_BUFFER_SIZE];
|
|
int ret, remaining = req->content_len;
|
|
|
|
if (remaining >= sizeof(buf)) {
|
|
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Content too long");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
ret = httpd_req_recv(req, buf, remaining);
|
|
if (ret <= 0) {
|
|
if (ret == HTTPD_SOCK_ERR_TIMEOUT) {
|
|
httpd_resp_send_err(req, HTTPD_408_REQ_TIMEOUT, "Request timeout");
|
|
}
|
|
return ESP_FAIL;
|
|
}
|
|
buf[ret] = '\0';
|
|
|
|
ESP_LOGI(SYSTEM_TAG, "Received POST data: %s", buf);
|
|
|
|
cJSON *json = cJSON_Parse(buf);
|
|
if (json == NULL) {
|
|
ESP_LOGE(SYSTEM_TAG, "JSON parsing failed");
|
|
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Invalid JSON");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
cJSON *mode_json = cJSON_GetObjectItem(json, "mode");
|
|
cJSON *speed_json = cJSON_GetObjectItem(json, "speed");
|
|
|
|
if (!cJSON_IsString(mode_json) || (!cJSON_IsNumber(speed_json) && !cJSON_IsString(speed_json))) {
|
|
ESP_LOGE(SYSTEM_TAG, "JSON parsing failed - mode: %s, speed: %s",
|
|
mode_json ? (cJSON_IsString(mode_json) ? mode_json->valuestring : "not_string") : "null",
|
|
speed_json ? (cJSON_IsNumber(speed_json) ? "number" : (cJSON_IsString(speed_json) ? speed_json->valuestring : "not_number_or_string")) : "null");
|
|
cJSON_Delete(json);
|
|
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Missing mode or speed");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
const char* mode_str = mode_json->valuestring;
|
|
int speed;
|
|
|
|
// Handle both number and string speed values
|
|
if (cJSON_IsNumber(speed_json)) {
|
|
speed = (int)speed_json->valuedouble;
|
|
} else if (cJSON_IsString(speed_json)) {
|
|
speed = atoi(speed_json->valuestring);
|
|
} else {
|
|
speed = 0;
|
|
}
|
|
|
|
motor_mode_t mode = MOTOR_OFF;
|
|
|
|
// Handle special "ON" command - resume last settings
|
|
if (strcmp(mode_str, "on") == 0) {
|
|
ESP_LOGI(SYSTEM_TAG, "ON button pressed - resuming last state");
|
|
motor_resume_last_state();
|
|
|
|
// Save state after ON button
|
|
save_motor_state_to_nvs();
|
|
|
|
cJSON_Delete(json);
|
|
return status_get_handler(req);
|
|
} else if (strcmp(mode_str, "exhaust") == 0) {
|
|
mode = MOTOR_EXHAUST;
|
|
} else if (strcmp(mode_str, "intake") == 0) {
|
|
mode = MOTOR_INTAKE;
|
|
}
|
|
|
|
ESP_LOGI(SYSTEM_TAG, "HTTP Request: mode=%s, speed=%d", mode_str, speed);
|
|
motor_set_speed(mode, speed);
|
|
|
|
// Save state after any motor command
|
|
save_motor_state_to_nvs();
|
|
|
|
cJSON_Delete(json);
|
|
|
|
// Send response with updated status
|
|
return status_get_handler(req);
|
|
}
|
|
|
|
// HTTP handler for OPTIONS requests (CORS preflight)
|
|
static esp_err_t options_handler(httpd_req_t *req)
|
|
{
|
|
set_cors_headers(req);
|
|
httpd_resp_set_status(req, "200 OK");
|
|
httpd_resp_send(req, NULL, 0);
|
|
return ESP_OK;
|
|
}
|
|
|
|
// Start HTTP server
|
|
static httpd_handle_t start_webserver(void)
|
|
{
|
|
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
|
|
config.server_port = HTTP_SERVER_PORT;
|
|
config.max_uri_handlers = HTTP_MAX_URI_HANDLERS;
|
|
config.recv_wait_timeout = HTTP_RECV_TIMEOUT_SEC;
|
|
config.send_wait_timeout = HTTP_SEND_TIMEOUT_SEC;
|
|
|
|
ESP_LOGI(SYSTEM_TAG, "Starting server on port: '%d'", config.server_port);
|
|
if (httpd_start(&server, &config) == ESP_OK) {
|
|
ESP_LOGI(SYSTEM_TAG, "Registering URI handlers");
|
|
|
|
// Root handler
|
|
httpd_uri_t root = {
|
|
.uri = "/",
|
|
.method = HTTP_GET,
|
|
.handler = root_get_handler,
|
|
.user_ctx = NULL
|
|
};
|
|
httpd_register_uri_handler(server, &root);
|
|
|
|
// Status handler
|
|
httpd_uri_t status = {
|
|
.uri = "/status",
|
|
.method = HTTP_GET,
|
|
.handler = status_get_handler,
|
|
.user_ctx = NULL
|
|
};
|
|
httpd_register_uri_handler(server, &status);
|
|
|
|
// Fan control handler
|
|
httpd_uri_t fan = {
|
|
.uri = "/fan",
|
|
.method = HTTP_POST,
|
|
.handler = fan_post_handler,
|
|
.user_ctx = NULL
|
|
};
|
|
httpd_register_uri_handler(server, &fan);
|
|
|
|
// OPTIONS handler for CORS preflight
|
|
httpd_uri_t options_status = {
|
|
.uri = "/status",
|
|
.method = HTTP_OPTIONS,
|
|
.handler = options_handler,
|
|
.user_ctx = NULL
|
|
};
|
|
httpd_register_uri_handler(server, &options_status);
|
|
|
|
httpd_uri_t options_fan = {
|
|
.uri = "/fan",
|
|
.method = HTTP_OPTIONS,
|
|
.handler = options_handler,
|
|
.user_ctx = NULL
|
|
};
|
|
httpd_register_uri_handler(server, &options_fan);
|
|
|
|
return server;
|
|
}
|
|
|
|
ESP_LOGI(SYSTEM_TAG, "Error starting server!");
|
|
return NULL;
|
|
}
|
|
|
|
void wifi_init_sta(void)
|
|
{
|
|
s_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_event_handler_instance_t instance_any_id;
|
|
esp_event_handler_instance_t instance_got_ip;
|
|
ESP_ERROR_CHECK(esp_event_handler_instance_register(WIFI_EVENT,
|
|
ESP_EVENT_ANY_ID,
|
|
&event_handler,
|
|
NULL,
|
|
&instance_any_id));
|
|
ESP_ERROR_CHECK(esp_event_handler_instance_register(IP_EVENT,
|
|
IP_EVENT_STA_GOT_IP,
|
|
&event_handler,
|
|
NULL,
|
|
&instance_got_ip));
|
|
|
|
wifi_config_t wifi_config = {
|
|
.sta = {
|
|
.ssid = WIFI_SSID,
|
|
.password = WIFI_PASS,
|
|
.threshold.authmode = WIFI_AUTH_WPA2_PSK,
|
|
.pmf_cfg = {
|
|
.capable = true,
|
|
.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());
|
|
|
|
ESP_LOGI(SYSTEM_TAG, "wifi_init_sta finished.");
|
|
|
|
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
|
|
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
|
|
pdFALSE,
|
|
pdFALSE,
|
|
portMAX_DELAY);
|
|
|
|
if (bits & WIFI_CONNECTED_BIT) {
|
|
ESP_LOGI(SYSTEM_TAG, "connected to ap SSID:%s", WIFI_SSID);
|
|
} else if (bits & WIFI_FAIL_BIT) {
|
|
ESP_LOGI(SYSTEM_TAG, "Failed to connect to SSID:%s", WIFI_SSID);
|
|
} else {
|
|
ESP_LOGE(SYSTEM_TAG, "UNEXPECTED EVENT");
|
|
}
|
|
}
|
|
|
|
void app_main(void)
|
|
{
|
|
ESP_LOGI(SYSTEM_TAG, "Starting Maxxfan HTTP Controller with State Preservation!");
|
|
|
|
// Initialize NVS
|
|
esp_err_t ret = nvs_flash_init();
|
|
if (ret == ESP_ERR_NVS_NO_FREE_PAGES || ret == ESP_ERR_NVS_NEW_VERSION_FOUND) {
|
|
ESP_ERROR_CHECK(nvs_flash_erase());
|
|
ret = nvs_flash_init();
|
|
}
|
|
ESP_ERROR_CHECK(ret);
|
|
|
|
// Initialize watchdog timer
|
|
init_watchdog();
|
|
|
|
// Initialize motor control system
|
|
ESP_LOGI(SYSTEM_TAG, "Initializing motor control system...");
|
|
ret = motor_control_init();
|
|
if (ret != ESP_OK) {
|
|
ESP_LOGE(SYSTEM_TAG, "Failed to initialize motor control: %s", esp_err_to_name(ret));
|
|
return;
|
|
}
|
|
|
|
// Load saved state from NVS and potentially restore motor state
|
|
ESP_LOGI(SYSTEM_TAG, "Loading saved state...");
|
|
load_motor_state_from_nvs();
|
|
|
|
ESP_LOGI(SYSTEM_TAG, "Connecting to WiFi network: %s", WIFI_SSID);
|
|
wifi_init_sta();
|
|
|
|
// Start HTTP server
|
|
start_webserver();
|
|
|
|
// Report final motor state after initialization
|
|
const motor_state_t* final_state = motor_get_state();
|
|
ESP_LOGI(SYSTEM_TAG, "=== MOTOR STATE AFTER INITIALIZATION ===");
|
|
ESP_LOGI(SYSTEM_TAG, "Final motor state: mode=%s, target=%d%%, current=%d%%, state=%s",
|
|
motor_mode_to_string(final_state->mode), final_state->target_speed,
|
|
final_state->current_speed, motor_state_to_string(final_state->state));
|
|
|
|
if (final_state->mode != MOTOR_OFF && final_state->target_speed > 0) {
|
|
ESP_LOGI(SYSTEM_TAG, "Motor restored to: %s @ %d%%",
|
|
motor_mode_to_string(final_state->mode), final_state->target_speed);
|
|
} else {
|
|
ESP_LOGI(SYSTEM_TAG, "Motor remains OFF");
|
|
}
|
|
ESP_LOGI(SYSTEM_TAG, "=======================================");
|
|
|
|
ESP_LOGI(SYSTEM_TAG, "=== Enhanced Maxxfan Controller Ready! ===");
|
|
ESP_LOGI(SYSTEM_TAG, "Features: State Preservation, Direction Safety, Motor Ramping, ON Button");
|
|
ESP_LOGI(SYSTEM_TAG, "Safety: %d-second cooldown for direction changes", DIRECTION_CHANGE_COOLDOWN_MS / 1000);
|
|
ESP_LOGI(SYSTEM_TAG, "Memory: Remembers settings after power loss (except watchdog resets)");
|
|
ESP_LOGI(SYSTEM_TAG, "Open your browser and go to: http://[ESP32_IP_ADDRESS]");
|
|
ESP_LOGI(SYSTEM_TAG, "Check the monitor output above for your IP address");
|
|
|
|
// Main loop - reset watchdog periodically and update motor cooldown
|
|
while (1) {
|
|
feed_watchdog();
|
|
|
|
// Update motor cooldown time for status reporting
|
|
motor_update_cooldown_time();
|
|
|
|
vTaskDelay(pdMS_TO_TICKS(WATCHDOG_FEED_INTERVAL_MS));
|
|
}
|
|
} |