501 lines
15 KiB
C
501 lines
15 KiB
C
#include <stdint.h>
|
|
#include <string.h>
|
|
#include <stdio.h>
|
|
#include <stdatomic.h>
|
|
#include <freertos/FreeRTOS.h>
|
|
#include <freertos/task.h>
|
|
#include <freertos/event_groups.h>
|
|
#include <freertos/projdefs.h>
|
|
#include <esp_system.h>
|
|
#include <esp_wifi.h>
|
|
#include <driver/gpio.h>
|
|
#include <esp_event.h>
|
|
#include <esp_log.h>
|
|
#include <nvs_flash.h>
|
|
#include <lwip/err.h>
|
|
#include <lwip/sys.h>
|
|
#include <cJSON.h>
|
|
#include "esp_http_server.h"
|
|
#include "esp_adc/adc_oneshot.h"
|
|
#include "esp_adc/adc_cali.h"
|
|
#include "esp_adc/adc_cali_scheme.h"
|
|
#include "esp_task_wdt.h"
|
|
|
|
#include "sdkconfig.h"
|
|
#include "frontend.h"
|
|
|
|
#define AP_MAX_CONN 4
|
|
#define AP_CHANNEL 6
|
|
|
|
#define ADC_CHAN0 ADC_CHANNEL_4
|
|
#define ADC_CHAN1 ADC_CHANNEL_5
|
|
#define ADC_ATTEN_DB ADC_ATTEN_DB_12
|
|
|
|
#define THRESHOLD_UP_NVS_NAME "threshold_up"
|
|
#define THRESHOLD_LOW_NVS_NAME "threshold_low"
|
|
#define NVS_PARTITION "nvs"
|
|
|
|
#define SENSOR_ADC_CHAN 0
|
|
#define MAX_JSON_CONTENT 512
|
|
|
|
#define FILTER_SAMPLES 5
|
|
|
|
#define PRIORITY_HTTP 1
|
|
#define PRIORITY_CONTROL 2
|
|
#define PRIORITY_SENSOR 3
|
|
|
|
static adc_oneshot_unit_handle_t adc_handle;
|
|
static adc_cali_handle_t cali_handle;
|
|
static bool is_calibrated = false;
|
|
|
|
static atomic_int g_threshold_low = 0;
|
|
static atomic_int g_threshold_up = 0;
|
|
static atomic_int g_current_pressure = 0;
|
|
|
|
static const char TAG[] = "Pump Controller";
|
|
|
|
static esp_err_t parse_thresholds_json(const char *content, int *low_value, int *up_value) {
|
|
cJSON *json = cJSON_Parse(content);
|
|
if (!json) {
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
cJSON *low_item = cJSON_GetObjectItem(json, "low");
|
|
cJSON *up_item = cJSON_GetObjectItem(json, "up");
|
|
|
|
bool valid = cJSON_IsNumber(low_item) && cJSON_IsNumber(up_item);
|
|
if (valid) {
|
|
*low_value = low_item->valueint;
|
|
*up_value = up_item->valueint;
|
|
}
|
|
|
|
cJSON_Delete(json);
|
|
return valid ? ESP_OK : ESP_FAIL;
|
|
}
|
|
|
|
static esp_err_t receive_http_content(httpd_req_t *req, char **content) {
|
|
size_t content_len = req->content_len;
|
|
|
|
if (content_len > MAX_JSON_CONTENT) {
|
|
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Content too large");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
*content = malloc(content_len + 1);
|
|
if (!*content) {
|
|
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Memory allocation failed");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
int ret = httpd_req_recv(req, *content, content_len);
|
|
if (ret <= 0) {
|
|
free(*content);
|
|
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Failed to receive data");
|
|
return ESP_FAIL;
|
|
}
|
|
(*content)[content_len] = '\0';
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t send_json_response(httpd_req_t *req, const char *format, ...) {
|
|
char response[100];
|
|
va_list args;
|
|
va_start(args, format);
|
|
vsnprintf(response, sizeof(response), format, args);
|
|
va_end(args);
|
|
|
|
httpd_resp_set_type(req, "application/json");
|
|
httpd_resp_send(req, response, strlen(response));
|
|
return ESP_OK;
|
|
}
|
|
|
|
esp_err_t adc_init(void) {
|
|
adc_oneshot_unit_init_cfg_t init_config = {
|
|
.unit_id = ADC_UNIT_1,
|
|
};
|
|
esp_err_t ret = adc_oneshot_new_unit(&init_config, &adc_handle);
|
|
if (ret != ESP_OK) return ret;
|
|
|
|
adc_oneshot_chan_cfg_t config = {
|
|
.atten = ADC_ATTEN_DB,
|
|
.bitwidth = ADC_BITWIDTH_DEFAULT,
|
|
};
|
|
ret = adc_oneshot_config_channel(adc_handle, ADC_CHAN0, &config);
|
|
if (ret != ESP_OK) return ret;
|
|
|
|
ret = adc_oneshot_config_channel(adc_handle, ADC_CHAN1, &config);
|
|
if (ret != ESP_OK) return ret;
|
|
|
|
adc_cali_line_fitting_config_t cali_config = {
|
|
.unit_id = ADC_UNIT_1,
|
|
.atten = ADC_ATTEN_DB,
|
|
.bitwidth = ADC_BITWIDTH_DEFAULT,
|
|
};
|
|
|
|
ret = adc_cali_create_scheme_line_fitting(&cali_config, &cali_handle);
|
|
if (ret == ESP_OK) {
|
|
is_calibrated = true;
|
|
ESP_LOGI(TAG, "ADC success calibration");
|
|
} else if (ret == ESP_ERR_NOT_SUPPORTED) {
|
|
ESP_LOGW(TAG, "Calibrating not available (eFuse doesn't written)");
|
|
} else {
|
|
ESP_LOGE(TAG, "Error calibrating");
|
|
}
|
|
|
|
return ESP_OK;
|
|
}
|
|
|
|
static void pump_init(void) {
|
|
gpio_config_t io_conf = {
|
|
.pin_bit_mask = (1ULL << CONFIG_PUMP_PIN),
|
|
.mode = GPIO_MODE_OUTPUT,
|
|
.intr_type = GPIO_INTR_DISABLE,
|
|
.pull_down_en = 1,
|
|
.pull_up_en = 0,
|
|
};
|
|
gpio_config(&io_conf);
|
|
gpio_set_level(CONFIG_PUMP_PIN, false);
|
|
}
|
|
|
|
int adc_read_raw(uint8_t channel)
|
|
{
|
|
int raw_value = 0;
|
|
adc_channel_t adc_channel;
|
|
|
|
if (channel == 0) {
|
|
adc_channel = ADC_CHAN0;
|
|
} else if (channel == 1) {
|
|
adc_channel = ADC_CHAN1;
|
|
} else {
|
|
ESP_LOGE(TAG, "Wrong ADC channel: %d", channel);
|
|
return -1;
|
|
}
|
|
|
|
esp_err_t ret = adc_oneshot_read(adc_handle, adc_channel, &raw_value);
|
|
if (ret != ESP_OK) {
|
|
ESP_LOGE(TAG, "Error reading ADC");
|
|
return -1;
|
|
}
|
|
return raw_value;
|
|
}
|
|
|
|
int adc_read_voltage(uint8_t channel) {
|
|
int raw_value = adc_read_raw(channel);
|
|
if (raw_value < 0) return -1;
|
|
|
|
if (is_calibrated) {
|
|
int voltage_mv = 0;
|
|
esp_err_t ret = adc_cali_raw_to_voltage(cali_handle, raw_value, &voltage_mv);
|
|
if (ret != ESP_OK) {
|
|
ESP_LOGE(TAG, "Error convert to voltage");
|
|
return -1;
|
|
}
|
|
return voltage_mv;
|
|
} else {
|
|
return (raw_value * 3300) / 4095;
|
|
}
|
|
}
|
|
|
|
static esp_err_t root_get_handler(httpd_req_t *req) {
|
|
httpd_resp_set_type(req, "text/html; charset=utf-8");
|
|
httpd_resp_send(req, (const char*)assets_index_html, HTTPD_RESP_USE_STRLEN);
|
|
return ESP_OK;
|
|
}
|
|
|
|
static esp_err_t current_pressure_handler(httpd_req_t *req) {
|
|
int sensor_value = atomic_load(&g_current_pressure);
|
|
return send_json_response(req, "{\"value\":%d}", sensor_value);
|
|
}
|
|
|
|
static esp_err_t save_thresholds_handler(httpd_req_t *req) {
|
|
char *content = NULL;
|
|
if (receive_http_content(req, &content) != ESP_OK) {
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
int low_value = 0, up_value = 0;
|
|
if (parse_thresholds_json(content, &low_value, &up_value) != ESP_OK) {
|
|
free(content);
|
|
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Missing or invalid 'low' or 'up' parameters");
|
|
return ESP_FAIL;
|
|
}
|
|
free(content);
|
|
|
|
if (low_value >= up_value) {
|
|
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Low value must be less than up value");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
nvs_handle_t my_handle;
|
|
esp_err_t err = nvs_open(NVS_PARTITION, NVS_READWRITE, &my_handle);
|
|
if (err != ESP_OK) {
|
|
ESP_LOGE(TAG, "Error opening NVS");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
err = nvs_set_i32(my_handle, THRESHOLD_LOW_NVS_NAME, low_value);
|
|
if (err != ESP_OK) {
|
|
nvs_close(my_handle);
|
|
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Failed to save");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
err = nvs_set_i32(my_handle, THRESHOLD_UP_NVS_NAME, up_value);
|
|
if (err != ESP_OK) {
|
|
nvs_close(my_handle);
|
|
httpd_resp_send_err(req, HTTPD_500_INTERNAL_SERVER_ERROR, "Failed to save");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
err = nvs_commit(my_handle);
|
|
ESP_ERROR_CHECK(err);
|
|
nvs_close(my_handle);
|
|
|
|
return send_json_response(req, "{\"success\":true,\"low\":%d,\"up\":%d}", low_value, up_value);
|
|
}
|
|
|
|
static esp_err_t set_thresholds_handler(httpd_req_t *req) {
|
|
char *content = NULL;
|
|
if (receive_http_content(req, &content) != ESP_OK) {
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
int low_value = 0, up_value = 0;
|
|
if (parse_thresholds_json(content, &low_value, &up_value) != ESP_OK) {
|
|
free(content);
|
|
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Missing or invalid 'low' or 'up' parameters");
|
|
return ESP_FAIL;
|
|
}
|
|
free(content);
|
|
|
|
if (low_value >= up_value) {
|
|
httpd_resp_send_err(req, HTTPD_400_BAD_REQUEST, "Low value must be less than up value");
|
|
return ESP_FAIL;
|
|
}
|
|
|
|
atomic_store(&g_threshold_low, low_value);
|
|
atomic_store(&g_threshold_up, up_value);
|
|
|
|
return send_json_response(req, "{\"success\":true,\"low\":%d,\"up\":%d}", low_value, up_value);
|
|
}
|
|
|
|
void wifi_init_softap(void) {
|
|
ESP_ERROR_CHECK(esp_netif_init());
|
|
ESP_ERROR_CHECK(esp_event_loop_create_default());
|
|
esp_netif_t *ap_netif = esp_netif_create_default_wifi_ap();
|
|
|
|
wifi_init_config_t cfg = WIFI_INIT_CONFIG_DEFAULT();
|
|
ESP_ERROR_CHECK(esp_wifi_init(&cfg));
|
|
|
|
wifi_config_t wifi_config = {
|
|
.ap = {
|
|
.ssid = CONFIG_AP_WIFI_SSID,
|
|
.ssid_len = strlen(CONFIG_AP_WIFI_SSID),
|
|
.password = CONFIG_AP_WIFI_PASS,
|
|
.max_connection = AP_MAX_CONN,
|
|
.authmode = WIFI_AUTH_WPA_WPA2_PSK,
|
|
.channel = AP_CHANNEL,
|
|
},
|
|
};
|
|
|
|
if (strlen(CONFIG_AP_WIFI_PASS) == 0) {
|
|
wifi_config.ap.authmode = WIFI_AUTH_OPEN;
|
|
}
|
|
|
|
ESP_ERROR_CHECK(esp_wifi_set_mode(WIFI_MODE_AP));
|
|
ESP_ERROR_CHECK(esp_wifi_set_config(WIFI_IF_AP, &wifi_config));
|
|
ESP_ERROR_CHECK(esp_wifi_start());
|
|
|
|
esp_netif_ip_info_t ip_info;
|
|
ip_info.ip.addr = ipaddr_addr(CONFIG_AP_IP);
|
|
ip_info.gw.addr = ipaddr_addr(CONFIG_AP_GATEWAY);
|
|
ip_info.netmask.addr = ipaddr_addr(CONFIG_AP_NETMASK);
|
|
|
|
ESP_ERROR_CHECK(esp_netif_dhcps_stop(ap_netif));
|
|
ESP_ERROR_CHECK(esp_netif_set_ip_info(ap_netif, &ip_info));
|
|
ESP_ERROR_CHECK(esp_netif_dhcps_start(ap_netif));
|
|
}
|
|
|
|
static void pump_disable(void) {
|
|
gpio_set_level(CONFIG_PUMP_PIN, false);
|
|
}
|
|
|
|
static void pump_enable(void) {
|
|
gpio_set_level(CONFIG_PUMP_PIN, true);
|
|
}
|
|
|
|
static void vPumpControlTask(void *pvParameters) {
|
|
while (1) {
|
|
int current_pressure = atomic_load(&g_current_pressure);
|
|
int low_threshold = atomic_load(&g_threshold_low);
|
|
int up_threshold = atomic_load(&g_threshold_up);
|
|
|
|
if (current_pressure < low_threshold) {
|
|
pump_enable();
|
|
ESP_LOGI(TAG, "Pump enabled");
|
|
} else if (current_pressure >= up_threshold) {
|
|
pump_disable();
|
|
ESP_LOGI(TAG, "Pump disabled");
|
|
}
|
|
vTaskDelay(pdMS_TO_TICKS(1000));
|
|
}
|
|
}
|
|
|
|
static int read_pressure_filtered(void) {
|
|
int sum = 0;
|
|
for (int i = 0; i < FILTER_SAMPLES; i++) {
|
|
sum += adc_read_voltage(SENSOR_ADC_CHAN);
|
|
vTaskDelay(pdMS_TO_TICKS(10));
|
|
}
|
|
return sum / FILTER_SAMPLES;
|
|
}
|
|
|
|
static void vReadSensorTask(void *pvParameters) {
|
|
esp_task_wdt_add(NULL);
|
|
while (1) {
|
|
int pressure = read_pressure_filtered();
|
|
atomic_store(&g_current_pressure, pressure);
|
|
|
|
esp_task_wdt_reset();
|
|
|
|
vTaskDelay(pdMS_TO_TICKS(1000));
|
|
}
|
|
}
|
|
|
|
static void register_http_handlers(httpd_handle_t server) {
|
|
httpd_uri_t root = {
|
|
.uri = "/",
|
|
.method = HTTP_GET,
|
|
.handler = root_get_handler,
|
|
.user_ctx = NULL
|
|
};
|
|
httpd_register_uri_handler(server, &root);
|
|
|
|
httpd_uri_t pressure = {
|
|
.uri = "/pressure",
|
|
.method = HTTP_GET,
|
|
.handler = current_pressure_handler,
|
|
.user_ctx = NULL
|
|
};
|
|
httpd_register_uri_handler(server, &pressure);
|
|
|
|
httpd_uri_t set_thresholds = {
|
|
.uri = "/thresholds",
|
|
.method = HTTP_POST,
|
|
.handler = set_thresholds_handler,
|
|
.user_ctx = NULL
|
|
};
|
|
httpd_register_uri_handler(server, &set_thresholds);
|
|
|
|
httpd_uri_t save_thresholds = {
|
|
.uri = "/persist_thresholds",
|
|
.method = HTTP_POST,
|
|
.handler = save_thresholds_handler,
|
|
.user_ctx = NULL
|
|
};
|
|
httpd_register_uri_handler(server, &save_thresholds);
|
|
}
|
|
|
|
static void vHttpServerTask(void *pvParameters) {
|
|
esp_task_wdt_add(xTaskGetCurrentTaskHandle());
|
|
|
|
httpd_handle_t server = NULL;
|
|
httpd_config_t config = HTTPD_DEFAULT_CONFIG();
|
|
config.server_port = CONFIG_WEBINTERFACE_PORT;
|
|
config.max_uri_handlers = 10;
|
|
config.stack_size = 4096;
|
|
|
|
if (httpd_start(&server, &config) == ESP_OK) {
|
|
ESP_LOGI(TAG, "🚀 HTTP server run on port %d", config.server_port);
|
|
register_http_handlers(server);
|
|
} else {
|
|
ESP_LOGE(TAG, "❌Error HTTP server running");
|
|
}
|
|
|
|
while (1) {
|
|
esp_task_wdt_reset();
|
|
vTaskDelay(pdMS_TO_TICKS(1000));
|
|
}
|
|
}
|
|
|
|
static void load_thresholds_from_nvs(void) {
|
|
nvs_handle_t my_handle;
|
|
esp_err_t err = nvs_open(NVS_PARTITION, NVS_READWRITE, &my_handle);
|
|
if (err != ESP_OK) {
|
|
ESP_LOGE(TAG, "Error opening NVS");
|
|
return;
|
|
}
|
|
|
|
int32_t threshold_low = 0;
|
|
err = nvs_get_i32(my_handle, THRESHOLD_LOW_NVS_NAME, &threshold_low);
|
|
if (err == ESP_OK) {
|
|
atomic_store(&g_threshold_low, threshold_low);
|
|
} else if (err == ESP_ERR_NVS_NOT_FOUND) {
|
|
atomic_store(&g_threshold_low, 100);
|
|
} else {
|
|
ESP_ERROR_CHECK(err);
|
|
}
|
|
|
|
int32_t threshold_up = 0;
|
|
err = nvs_get_i32(my_handle, THRESHOLD_UP_NVS_NAME, &threshold_up);
|
|
if (err == ESP_OK) {
|
|
atomic_store(&g_threshold_up, threshold_up);
|
|
} else if (err == ESP_ERR_NVS_NOT_FOUND) {
|
|
atomic_store(&g_threshold_up, 300);
|
|
} else {
|
|
ESP_ERROR_CHECK(err);
|
|
}
|
|
|
|
nvs_close(my_handle);
|
|
}
|
|
|
|
void app_main(void) {
|
|
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);
|
|
|
|
esp_task_wdt_config_t twdt_config = {
|
|
.timeout_ms = 10000, // 10 секунд таймаут
|
|
.idle_core_mask = (1 << 0) | (1 << 1), // Мониторинг idle-задач на обоих ядрах
|
|
.trigger_panic = true // Паника при таймауте (перезагрузка)
|
|
};
|
|
ESP_ERROR_CHECK(esp_task_wdt_init(&twdt_config));
|
|
|
|
// Добавляем main задачу
|
|
ESP_ERROR_CHECK(esp_task_wdt_add(NULL));
|
|
|
|
|
|
|
|
load_thresholds_from_nvs();
|
|
adc_init();
|
|
pump_init();
|
|
wifi_init_softap();
|
|
|
|
vTaskDelay(pdMS_TO_TICKS(1000));
|
|
|
|
xTaskCreate(vReadSensorTask, "read_sensor", 2048, NULL, PRIORITY_SENSOR, NULL);
|
|
xTaskCreate(vPumpControlTask, "pump_control", 2048, NULL, PRIORITY_CONTROL, NULL);
|
|
xTaskCreate(vHttpServerTask, "http_server", 4096, NULL, PRIORITY_HTTP, NULL);
|
|
|
|
ESP_LOGI(TAG, "=========================================");
|
|
ESP_LOGI(TAG, "✅ Ready to work");
|
|
ESP_LOGI(TAG, "📱 Connect to Wi-Fi: %s", CONFIG_AP_WIFI_SSID);
|
|
ESP_LOGI(TAG, "🔑 Wi-Fi Password: %s", strlen(CONFIG_AP_WIFI_PASS) ? CONFIG_AP_WIFI_PASS : "Open network");
|
|
ESP_LOGI(TAG, "🌐 Open browser: http://%s:%d", CONFIG_AP_IP, CONFIG_WEBINTERFACE_PORT);
|
|
ESP_LOGI(TAG, "=========================================");
|
|
|
|
while (1) {
|
|
vTaskDelay(pdMS_TO_TICKS(5000));
|
|
|
|
wifi_sta_list_t sta_list;
|
|
memset(&sta_list, 0, sizeof(sta_list));
|
|
esp_wifi_ap_get_sta_list(&sta_list);
|
|
|
|
ESP_LOGI(TAG, "📊 Wi-Fi Clients connected: %d", sta_list.num);
|
|
}
|
|
}
|