98 lines
1.9 KiB
C
98 lines
1.9 KiB
C
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#include "esp_log.h"
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#include <stdio.h>
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#include <time.h>
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#include <onewire.h>
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#include <ds18b20.h> // Die Header-Datei mit DS18B20-Funktionen
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#include <task.h>
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#include <esp_wifi.h>
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#include <FreeRTOSConfig.h>
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struct appldata;
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float getTemp();
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int getUpTime();
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void getmac();
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struct appldata{
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uint8_t mac;
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float temp;
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float battaryVoltage;
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int upTime;
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};
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struct appldata app_main() {
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//tiem delay
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vTaskDelay(5000 / portTICK_PERIOD_MS);
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//creat var vor mac addres
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uint8_t baseMac[6] = {0};
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getmac(baseMac,6);
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//fill struct
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struct appldata send;
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send.mac = baseMac ;
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send.upTime = getUpTime();
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send.temp = getTemp();
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send.battaryVoltage = 3.3;
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//print mac
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printf("Station MAC: ");
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for (int i = 0; i < 5; i++) {
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printf("%02X:", (baseMac[i]));
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}
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printf("%02X\n", baseMac[5]);
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//print uptime
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int uptime = getUpTime();
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printf("%d", uptime);
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//print temp
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float temp = getTemp();
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printf("Temperature = %.4f\n", temp);
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//end func
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return send;
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}
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void getmac(uint8_t *buf, int count){
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for(int i = 0; i < count; ++i)
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buf[i] = i;
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// Get MAC address of the WiFi station interface
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esp_read_mac(buf, ESP_MAC_WIFI_STA);
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}
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int getUpTime(){
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int uptime = (xTaskGetTickCount() * (1000/configTICK_RATE_HZ));
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return uptime;
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}
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float getTemp() {
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float temp = 0;
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// Create variable for handler
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ds18b20_handler_t sensor;
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// Check for any initialization failures
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if (!ds18b20_init(&sensor, GPIO_NUM_2, TEMP_RES_12_BIT))
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{
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ESP_LOGE("TAG", "Failed to initalize DS18B20!");
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return 0; // Exit
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}
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//Print temperature with 4 decimal places
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// (12 bit resolution measurement accuracy is 0.0625 Celsius)
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//ESP_LOGI("TAG", "Temperature = %.4f", temp);
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// Initalize conversion
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ds18b20_convert_temp(&sensor);
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temp = ds18b20_read_temp(&sensor);
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return temp;
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}
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