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Web control, added config 16MB flash

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This commit is contained in:
Stephen Minakian
2025-07-09 10:00:05 -06:00
parent 06137326a9
commit 12c10403d5
2 changed files with 2508 additions and 93 deletions
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401
main/maxxfan-controller.c
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@ -7,29 +7,31 @@
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_http_server.h"
#include "nvs_flash.h"
#include "driver/gpio.h"
#include "driver/ledc.h"
#include "cJSON.h"
// WiFi credentials - CHANGE THESE TO YOUR NETWORK
#define WIFI_SSID "YOUR_WIFI_NAME"
#define WIFI_PASS "YOUR_WIFI_PASSWORD"
#define WIFI_SSID "GL-AXT1800-0c2"
#define WIFI_PASS "CR7W25FM8S"
#define WIFI_MAXIMUM_RETRY 5
// Pin definitions (same as before)
// Pin definitions
#define LED_PIN GPIO_NUM_13
#define MOTOR_R_EN GPIO_NUM_18
#define MOTOR_L_EN GPIO_NUM_19
#define PWM_R_PIN GPIO_NUM_21
#define PWM_L_PIN GPIO_NUM_22
// PWM configuration (same as before)
// PWM configuration
#define PWM_FREQUENCY 1000
#define PWM_RESOLUTION LEDC_TIMER_8_BIT
#define PWM_R_CHANNEL LEDC_CHANNEL_0
#define PWM_L_CHANNEL LEDC_CHANNEL_1
static const char* TAG = "WIFI_MOTOR";
static const char* TAG = "HTTP_MOTOR";
// WiFi event group
static EventGroupHandle_t s_wifi_event_group;
@ -38,7 +40,7 @@ static EventGroupHandle_t s_wifi_event_group;
static int s_retry_num = 0;
// Motor control (same as before)
// Motor control
typedef enum {
MOTOR_OFF,
MOTOR_EXHAUST,
@ -48,7 +50,119 @@ typedef enum {
static motor_mode_t current_mode = MOTOR_OFF;
static int current_speed = 0;
// WiFi event handler
// HTTP server handle
static httpd_handle_t server = NULL;
// HTML web page for control
static const char* html_page =
"<!DOCTYPE html>"
"<html>"
"<head>"
" <title>Maxxfan Controller</title>"
" <meta name=\"viewport\" content=\"width=device-width, initial-scale=1\">"
" <style>"
" body { font-family: Arial, sans-serif; margin: 40px; background: #f0f0f0; }"
" .container { max-width: 500px; margin: 0 auto; background: white; padding: 30px; border-radius: 10px; box-shadow: 0 4px 6px rgba(0,0,0,0.1); }"
" h1 { color: #333; text-align: center; }"
" .control-group { margin: 20px 0; padding: 20px; border: 1px solid #ddd; border-radius: 5px; }"
" .control-group h3 { margin-top: 0; color: #555; }"
" button { padding: 15px 25px; margin: 5px; border: none; border-radius: 5px; cursor: pointer; font-size: 16px; }"
" .btn-off { background: #f44336; color: white; }"
" .btn-exhaust { background: #ff9800; color: white; }"
" .btn-intake { background: #4CAF50; color: white; }"
" .btn-off:hover { background: #d32f2f; }"
" .btn-exhaust:hover { background: #f57c00; }"
" .btn-intake:hover { background: #388e3c; }"
" .speed-control { margin: 20px 0; }"
" .speed-slider { width: 100%; height: 40px; }"
" .status { background: #e3f2fd; padding: 15px; border-radius: 5px; margin: 20px 0; }"
" .status h4 { margin: 0 0 10px 0; color: #1976d2; }"
" </style>"
"</head>"
"<body>"
" <div class=\"container\">"
" <h1>Maxxfan Controller</h1>"
" "
" <div class=\"status\">"
" <h4>Current Status</h4>"
" <p><strong>Mode:</strong> <span id=\"mode\">OFF</span></p>"
" <p><strong>Speed:</strong> <span id=\"speed\">0</span>%</p>"
" </div>"
" "
" <div class=\"control-group\">"
" <h3>Fan Control</h3>"
" <button class=\"btn-off\" onclick=\"setFan('off', 0)\">Turn OFF</button>"
" <button class=\"btn-exhaust\" onclick=\"setFan('exhaust', 50)\">Exhaust (50%)</button>"
" <button class=\"btn-intake\" onclick=\"setFan('intake', 50)\">Intake (50%)</button>"
" </div>"
" "
" <div class=\"control-group\">"
" <h3>Speed Control</h3>"
" <div class=\"speed-control\">"
" <label for=\"speedSlider\">Speed: <span id=\"speedValue\">50</span>%</label><br>"
" <input type=\"range\" id=\"speedSlider\" class=\"speed-slider\" min=\"0\" max=\"100\" value=\"50\" oninput=\"updateSpeed(this.value)\">"
" </div>"
" <button class=\"btn-exhaust\" onclick=\"setFanSpeed('exhaust')\">Set Exhaust Speed</button>"
" <button class=\"btn-intake\" onclick=\"setFanSpeed('intake')\">Set Intake Speed</button>"
" </div>"
" </div>"
""
" <script>"
" let currentSpeed = 50;"
" "
" function updateSpeed(value) {"
" currentSpeed = parseInt(value);"
" document.getElementById('speedValue').textContent = value;"
" }"
" "
" function setFan(mode, speed) {"
" currentSpeed = speed;"
" document.getElementById('speedSlider').value = speed;"
" document.getElementById('speedValue').textContent = speed;"
" "
" fetch('/fan', {"
" method: 'POST',"
" headers: { 'Content-Type': 'application/json' },"
" body: JSON.stringify({ mode: mode, speed: parseInt(speed) })"
" })"
" .then(response => response.json())"
" .then(data => updateStatus(data))"
" .catch(error => console.error('Error:', error));"
" }"
" "
" function setFanSpeed(mode) {"
" fetch('/fan', {"
" method: 'POST',"
" headers: { 'Content-Type': 'application/json' },"
" body: JSON.stringify({ mode: mode, speed: parseInt(currentSpeed) })"
" })"
" .then(response => response.json())"
" .then(data => updateStatus(data))"
" .catch(error => console.error('Error:', error));"
" }"
" "
" function updateStatus(data) {"
" document.getElementById('mode').textContent = data.mode.toUpperCase();"
" document.getElementById('speed').textContent = data.speed;"
" }"
" "
" function getStatus() {"
" fetch('/status')"
" .then(response => response.json())"
" .then(data => updateStatus(data))"
" .catch(error => console.error('Error:', error));"
" }"
" "
" // Update status every 2 seconds"
" setInterval(getStatus, 2000);"
" "
" // Get initial status"
" getStatus();"
" </script>"
"</body>"
"</html>";
// WiFi event handler (same as before)
static void event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
@ -71,66 +185,6 @@ static void event_handler(void* arg, esp_event_base_t event_base,
}
}
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(TAG, "wifi_init_sta finished.");
/* Waiting until either the connection is established (WIFI_CONNECTED_BIT) or connection failed for the maximum
* number of re-tries (WIFI_FAIL_BIT). The bits are set by event_handler() (see above) */
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
pdFALSE,
pdFALSE,
portMAX_DELAY);
/* xEventGroupWaitBits() returns the bits before the call returned, hence we can test which event actually
* happened. */
if (bits & WIFI_CONNECTED_BIT) {
ESP_LOGI(TAG, "connected to ap SSID:%s", WIFI_SSID);
} else if (bits & WIFI_FAIL_BIT) {
ESP_LOGI(TAG, "Failed to connect to SSID:%s", WIFI_SSID);
} else {
ESP_LOGE(TAG, "UNEXPECTED EVENT");
}
}
void configure_gpio_pins(void)
{
ESP_LOGI(TAG, "Configuring GPIO pins...");
@ -230,42 +284,203 @@ void set_motor_speed(motor_mode_t mode, int speed_percent)
}
}
// Simple demo task that runs once WiFi is connected
void motor_demo_task(void *pvParameters)
// HTTP handler for the main web page
static esp_err_t root_get_handler(httpd_req_t *req)
{
ESP_LOGI(TAG, "Motor demo task started - waiting for WiFi...");
httpd_resp_set_type(req, "text/html");
httpd_resp_send(req, html_page, HTTPD_RESP_USE_STRLEN);
return ESP_OK;
}
// HTTP handler for fan status (GET /status)
static esp_err_t status_get_handler(httpd_req_t *req)
{
cJSON *json = cJSON_CreateObject();
const char* mode_str = "off";
if (current_mode == MOTOR_EXHAUST) mode_str = "exhaust";
else if (current_mode == MOTOR_INTAKE) mode_str = "intake";
cJSON_AddStringToObject(json, "mode", mode_str);
cJSON_AddNumberToObject(json, "speed", current_speed);
char *json_string = cJSON_Print(json);
httpd_resp_set_type(req, "application/json");
httpd_resp_send(req, json_string, strlen(json_string));
free(json_string);
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[100];
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';
cJSON *json = cJSON_Parse(buf);
if (json == NULL) {
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(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;
if (strcmp(mode_str, "exhaust") == 0) {
mode = MOTOR_EXHAUST;
} else if (strcmp(mode_str, "intake") == 0) {
mode = MOTOR_INTAKE;
}
ESP_LOGI(TAG, "HTTP Request: mode=%s, speed=%d", mode_str, speed);
set_motor_speed(mode, speed);
cJSON_Delete(json);
// Send response
return status_get_handler(req);
}
// Start HTTP server
static httpd_handle_t start_webserver(void)
{
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
config.max_uri_handlers = 10;
ESP_LOGI(TAG, "Starting server on port: '%d'", config.server_port);
if (httpd_start(&server, &config) == ESP_OK) {
ESP_LOGI(TAG, "Registering URI handlers");
httpd_uri_t root = {
.uri = "/",
.method = HTTP_GET,
.handler = root_get_handler,
.user_ctx = NULL
};
httpd_register_uri_handler(server, &root);
httpd_uri_t status = {
.uri = "/status",
.method = HTTP_GET,
.handler = status_get_handler,
.user_ctx = NULL
};
httpd_register_uri_handler(server, &status);
httpd_uri_t fan = {
.uri = "/fan",
.method = HTTP_POST,
.handler = fan_post_handler,
.user_ctx = NULL
};
httpd_register_uri_handler(server, &fan);
return server;
}
ESP_LOGI(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(TAG, "wifi_init_sta finished.");
// Wait for WiFi connection
EventBits_t bits = xEventGroupWaitBits(s_wifi_event_group,
WIFI_CONNECTED_BIT,
WIFI_CONNECTED_BIT | WIFI_FAIL_BIT,
pdFALSE,
pdFALSE,
portMAX_DELAY);
if (bits & WIFI_CONNECTED_BIT) {
ESP_LOGI(TAG, "WiFi connected! Starting motor demo...");
while(1) {
ESP_LOGI(TAG, "=== WiFi Motor Demo Sequence ===");
// Short demo since we have WiFi now
set_motor_speed(MOTOR_EXHAUST, 50);
vTaskDelay(pdMS_TO_TICKS(3000));
set_motor_speed(MOTOR_INTAKE, 75);
vTaskDelay(pdMS_TO_TICKS(3000));
set_motor_speed(MOTOR_OFF, 0);
vTaskDelay(pdMS_TO_TICKS(5000));
}
ESP_LOGI(TAG, "connected to ap SSID:%s", WIFI_SSID);
} else if (bits & WIFI_FAIL_BIT) {
ESP_LOGI(TAG, "Failed to connect to SSID:%s", WIFI_SSID);
} else {
ESP_LOGE(TAG, "UNEXPECTED EVENT");
}
}
void app_main(void)
{
ESP_LOGI(TAG, "Starting WiFi + Motor Control!");
ESP_LOGI(TAG, "Starting Maxxfan HTTP Controller!");
// Initialize NVS (needed for WiFi)
// 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());
@ -280,8 +495,10 @@ void app_main(void)
ESP_LOGI(TAG, "Connecting to WiFi network: %s", WIFI_SSID);
wifi_init_sta();
// Create motor demo task
xTaskCreate(motor_demo_task, "motor_demo", 4096, NULL, 5, NULL);
// Start HTTP server
start_webserver();
ESP_LOGI(TAG, "Setup complete! Motor controllable via WiFi.");
ESP_LOGI(TAG, "=== Maxxfan Controller Ready! ===");
ESP_LOGI(TAG, "Open your browser and go to: http://[ESP32_IP_ADDRESS]");
ESP_LOGI(TAG, "Check the monitor output above for your IP address");
}

2198
sdkconfig Executable file
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