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Sliders with ramp, wdt bug present

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This commit is contained in:
Stephen Minakian
2025-07-09 10:39:40 -06:00
parent 12c10403d5
commit 4f3535947f
1 changed files with 211 additions and 25 deletions
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236
main/maxxfan-controller.c
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@ -3,11 +3,13 @@
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/event_groups.h"
#include "freertos/timers.h"
#include "esp_system.h"
#include "esp_wifi.h"
#include "esp_event.h"
#include "esp_log.h"
#include "esp_http_server.h"
#include "esp_task_wdt.h"
#include "nvs_flash.h"
#include "driver/gpio.h"
#include "driver/ledc.h"
@ -31,6 +33,14 @@
#define PWM_R_CHANNEL LEDC_CHANNEL_0
#define PWM_L_CHANNEL LEDC_CHANNEL_1
// Motor ramping configuration
#define RAMP_STEP_MS 50 // Time between ramp steps (milliseconds)
#define RAMP_STEP_SIZE 5 // PWM duty change per step (0-255)
#define MIN_MOTOR_SPEED 10 // Minimum speed to overcome motor inertia
// Watchdog configuration
#define WATCHDOG_TIMEOUT_S 10 // Watchdog timeout in seconds
static const char* TAG = "HTTP_MOTOR";
// WiFi event group
@ -47,13 +57,29 @@ typedef enum {
MOTOR_INTAKE
} motor_mode_t;
static motor_mode_t current_mode = MOTOR_OFF;
static int current_speed = 0;
typedef struct {
motor_mode_t mode;
int target_speed;
int current_speed;
bool ramping;
TimerHandle_t ramp_timer;
} motor_state_t;
static motor_state_t motor_state = {
.mode = MOTOR_OFF,
.target_speed = 0,
.current_speed = 0,
.ramping = false,
.ramp_timer = NULL
};
// HTTP server handle
static httpd_handle_t server = NULL;
// HTML web page for control
// Task handles for watchdog
static TaskHandle_t main_task_handle = NULL;
// HTML web page for control (same as before)
static const char* html_page =
"<!DOCTYPE html>"
"<html>"
@ -77,6 +103,7 @@ static const char* html_page =
" .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; }"
" .ramping { background: #fff3e0; border-left: 4px solid #ff9800; padding: 10px; margin: 10px 0; }"
" </style>"
"</head>"
"<body>"
@ -87,6 +114,10 @@ static const char* html_page =
" <h4>Current Status</h4>"
" <p><strong>Mode:</strong> <span id=\"mode\">OFF</span></p>"
" <p><strong>Speed:</strong> <span id=\"speed\">0</span>%</p>"
" <p><strong>Target:</strong> <span id=\"target\">0</span>%</p>"
" <div id=\"rampStatus\" class=\"ramping\" style=\"display: none;\">"
" <strong>⚡ Ramping in progress...</strong>"
" </div>"
" </div>"
" "
" <div class=\"control-group\">"
@ -143,7 +174,15 @@ static const char* html_page =
" "
" function updateStatus(data) {"
" document.getElementById('mode').textContent = data.mode.toUpperCase();"
" document.getElementById('speed').textContent = data.speed;"
" document.getElementById('speed').textContent = data.current_speed;"
" document.getElementById('target').textContent = data.target_speed;"
" "
" const rampStatus = document.getElementById('rampStatus');"
" if (data.ramping) {"
" rampStatus.style.display = 'block';"
" } else {"
" rampStatus.style.display = 'none';"
" }"
" }"
" "
" function getStatus() {"
@ -153,8 +192,8 @@ static const char* html_page =
" .catch(error => console.error('Error:', error));"
" }"
" "
" // Update status every 2 seconds"
" setInterval(getStatus, 2000);"
" // Update status every 1 second (faster to show ramping)"
" setInterval(getStatus, 1000);"
" "
" // Get initial status"
" getStatus();"
@ -162,7 +201,26 @@ static const char* html_page =
"</body>"
"</html>";
// WiFi event handler (same as before)
// Forward declarations
static void motor_ramp_timer_callback(TimerHandle_t xTimer);
static void apply_motor_pwm(int speed_percent);
// Initialize watchdog timer
void init_watchdog(void) {
ESP_LOGI(TAG, "Setting up watchdog monitoring...");
// The system watchdog is already monitoring the main task
// We don't need to add anything, just need to reset it properly
ESP_LOGI(TAG, "Using system watchdog - will reset from main context");
}
// Feed the watchdog
void feed_watchdog(void) {
// Simply reset the watchdog for the current task context
esp_task_wdt_reset();
}
// WiFi event handler
static void event_handler(void* arg, esp_event_base_t event_base,
int32_t event_id, void* event_data)
{
@ -240,18 +298,14 @@ void configure_pwm(void)
ESP_LOGI(TAG, "PWM configured");
}
void set_motor_speed(motor_mode_t mode, int speed_percent)
{
// Apply PWM to motor based on current mode and speed
static void apply_motor_pwm(int speed_percent) {
if (speed_percent < 0) speed_percent = 0;
if (speed_percent > 100) speed_percent = 100;
current_mode = mode;
current_speed = speed_percent;
uint32_t duty = (speed_percent * 255) / 100;
if (mode == MOTOR_OFF || speed_percent == 0) {
ESP_LOGI(TAG, "Motor OFF");
if (motor_state.mode == MOTOR_OFF || speed_percent == 0) {
gpio_set_level(LED_PIN, 0);
gpio_set_level(MOTOR_R_EN, 0);
gpio_set_level(MOTOR_L_EN, 0);
@ -260,23 +314,19 @@ void set_motor_speed(motor_mode_t mode, int speed_percent)
ledc_update_duty(LEDC_LOW_SPEED_MODE, PWM_R_CHANNEL);
ledc_update_duty(LEDC_LOW_SPEED_MODE, PWM_L_CHANNEL);
} else if (mode == MOTOR_EXHAUST) {
ESP_LOGI(TAG, "Motor EXHAUST - Speed: %d%%", speed_percent);
} else if (motor_state.mode == MOTOR_EXHAUST) {
gpio_set_level(LED_PIN, 1);
gpio_set_level(MOTOR_R_EN, 1);
gpio_set_level(MOTOR_L_EN, 0);
vTaskDelay(pdMS_TO_TICKS(10));
ledc_set_duty(LEDC_LOW_SPEED_MODE, PWM_R_CHANNEL, duty);
ledc_set_duty(LEDC_LOW_SPEED_MODE, PWM_L_CHANNEL, 0);
ledc_update_duty(LEDC_LOW_SPEED_MODE, PWM_R_CHANNEL);
ledc_update_duty(LEDC_LOW_SPEED_MODE, PWM_L_CHANNEL);
} else if (mode == MOTOR_INTAKE) {
ESP_LOGI(TAG, "Motor INTAKE - Speed: %d%%", speed_percent);
} else if (motor_state.mode == MOTOR_INTAKE) {
gpio_set_level(LED_PIN, 1);
gpio_set_level(MOTOR_R_EN, 0);
gpio_set_level(MOTOR_L_EN, 1);
vTaskDelay(pdMS_TO_TICKS(10));
ledc_set_duty(LEDC_LOW_SPEED_MODE, PWM_R_CHANNEL, 0);
ledc_set_duty(LEDC_LOW_SPEED_MODE, PWM_L_CHANNEL, duty);
ledc_update_duty(LEDC_LOW_SPEED_MODE, PWM_R_CHANNEL);
@ -284,6 +334,117 @@ void set_motor_speed(motor_mode_t mode, int speed_percent)
}
}
// Motor ramp timer callback
static void motor_ramp_timer_callback(TimerHandle_t xTimer) {
if (!motor_state.ramping) {
return;
}
int speed_diff = motor_state.target_speed - motor_state.current_speed;
if (abs(speed_diff) <= RAMP_STEP_SIZE) {
// Close enough to target, finish ramping
motor_state.current_speed = motor_state.target_speed;
motor_state.ramping = false;
// Stop the timer
xTimerStop(motor_state.ramp_timer, 0);
ESP_LOGI(TAG, "Ramping complete - Final speed: %d%%", motor_state.current_speed);
} else {
// Continue ramping
if (speed_diff > 0) {
motor_state.current_speed += RAMP_STEP_SIZE;
} else {
motor_state.current_speed -= RAMP_STEP_SIZE;
}
ESP_LOGD(TAG, "Ramping: %d%% -> %d%% (target: %d%%)",
motor_state.current_speed - (speed_diff > 0 ? RAMP_STEP_SIZE : -RAMP_STEP_SIZE),
motor_state.current_speed, motor_state.target_speed);
}
apply_motor_pwm(motor_state.current_speed);
}
// Initialize motor ramping system
void init_motor_ramping(void) {
motor_state.ramp_timer = xTimerCreate(
"MotorRampTimer", // Timer name
pdMS_TO_TICKS(RAMP_STEP_MS), // Timer period
pdTRUE, // Auto-reload
(void*)0, // Timer ID
motor_ramp_timer_callback // Callback function
);
if (motor_state.ramp_timer == NULL) {
ESP_LOGE(TAG, "Failed to create motor ramp timer");
} else {
ESP_LOGI(TAG, "Motor ramping system initialized");
}
}
void set_motor_speed(motor_mode_t mode, int speed_percent)
{
if (speed_percent < 0) speed_percent = 0;
if (speed_percent > 100) speed_percent = 100;
// Stop any current ramping
if (motor_state.ramping) {
xTimerStop(motor_state.ramp_timer, 0);
motor_state.ramping = false;
}
motor_mode_t previous_mode = motor_state.mode;
motor_state.mode = mode;
motor_state.target_speed = speed_percent;
ESP_LOGI(TAG, "Motor command: %s - Target: %d%% (Current: %d%%)",
mode == MOTOR_OFF ? "OFF" : (mode == MOTOR_EXHAUST ? "EXHAUST" : "INTAKE"),
speed_percent, motor_state.current_speed);
// Handle different scenarios
if (mode == MOTOR_OFF || speed_percent == 0) {
// Immediate stop
motor_state.current_speed = 0;
motor_state.target_speed = 0;
apply_motor_pwm(0);
ESP_LOGI(TAG, "Motor stopped immediately");
} else if (previous_mode == MOTOR_OFF || motor_state.current_speed == 0) {
// Starting from stop - apply minimum speed first, then ramp
int start_speed = (speed_percent < MIN_MOTOR_SPEED) ? speed_percent : MIN_MOTOR_SPEED;
motor_state.current_speed = start_speed;
apply_motor_pwm(start_speed);
if (speed_percent > start_speed) {
// Start ramping to target
motor_state.ramping = true;
xTimerStart(motor_state.ramp_timer, 0);
ESP_LOGI(TAG, "Motor starting at %d%%, ramping to %d%%", start_speed, speed_percent);
} else {
ESP_LOGI(TAG, "Motor started at %d%% (no ramping needed)", start_speed);
}
} else if (previous_mode != mode) {
// Direction change - ramp down to minimum, change direction, then ramp up
motor_state.target_speed = MIN_MOTOR_SPEED;
motor_state.ramping = true;
xTimerStart(motor_state.ramp_timer, 0);
ESP_LOGI(TAG, "Direction change - ramping down first");
// Note: In a real implementation, you might want to implement a state machine
// to handle the direction change sequence properly
} else {
// Same mode, just speed change - ramp to new speed
motor_state.ramping = true;
xTimerStart(motor_state.ramp_timer, 0);
ESP_LOGI(TAG, "Speed change - ramping from %d%% to %d%%",
motor_state.current_speed, speed_percent);
}
}
// HTTP handler for the main web page
static esp_err_t root_get_handler(httpd_req_t *req)
{
@ -298,11 +459,13 @@ 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";
if (motor_state.mode == MOTOR_EXHAUST) mode_str = "exhaust";
else if (motor_state.mode == MOTOR_INTAKE) mode_str = "intake";
cJSON_AddStringToObject(json, "mode", mode_str);
cJSON_AddNumberToObject(json, "speed", current_speed);
cJSON_AddNumberToObject(json, "current_speed", motor_state.current_speed);
cJSON_AddNumberToObject(json, "target_speed", motor_state.target_speed);
cJSON_AddBoolToObject(json, "ramping", motor_state.ramping);
char *json_string = cJSON_Print(json);
httpd_resp_set_type(req, "application/json");
@ -476,9 +639,19 @@ void wifi_init_sta(void)
}
}
// Main application task with watchdog feeding
void main_task(void *pvParameters) {
ESP_LOGI(TAG, "Main task started");
while (1) {
feed_watchdog();
vTaskDelay(pdMS_TO_TICKS(5000)); // Feed watchdog every 5 seconds
}
}
void app_main(void)
{
ESP_LOGI(TAG, "Starting Maxxfan HTTP Controller!");
ESP_LOGI(TAG, "Starting Maxxfan HTTP Controller with improvements!");
// Initialize NVS
esp_err_t ret = nvs_flash_init();
@ -488,17 +661,30 @@ void app_main(void)
}
ESP_ERROR_CHECK(ret);
// Initialize watchdog timer
init_watchdog();
// Configure hardware
configure_gpio_pins();
configure_pwm();
// Initialize motor ramping system
init_motor_ramping();
ESP_LOGI(TAG, "Connecting to WiFi network: %s", WIFI_SSID);
wifi_init_sta();
// Start HTTP server
start_webserver();
ESP_LOGI(TAG, "=== Maxxfan Controller Ready! ===");
ESP_LOGI(TAG, "=== Enhanced Maxxfan Controller Ready! ===");
ESP_LOGI(TAG, "Features: Motor Ramping, Optimized Performance");
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");
// Main loop - reset watchdog periodically
while (1) {
feed_watchdog();
vTaskDelay(pdMS_TO_TICKS(3000)); // Feed every 3 seconds (system default is usually 5s timeout)
}
}