DS1820 DS18B20 ESP01 Webserver STM32NucleoL152RE basiert auf dem DS1820-Example von Paul Staron
Dependencies: LCD_i2c_GSOE ESP8266WebserverGSOE DS1820
main.cpp
- Committer:
- jack1930
- Date:
- 2021-08-07
- Revision:
- 2:2c947079aae0
- Parent:
- 0:a3c589406dc4
- Child:
- 3:33bd03e2244f
File content as of revision 2:2c947079aae0:
//basiert auf dem DS1820-Example von Paul Staron #include "mbed.h" #include "DS1820.h" #include "LCD.h" DigitalOut led(LED1); lcd mylcd; #define DATA_PIN PB_0 #define MAX_PROBES 16 DS1820* probe[MAX_PROBES]; Timer t; int DS; float Temp[16]; int main(){ mylcd.clear(); printf("\033[0m\033[2J\033[HInitialise...!\n\n"); while (DS1820::unassignedProbe(DATA_PIN)) { probe[DS] = new DS1820(DATA_PIN); DS++; if (DS == MAX_PROBES) { break; } } if (!DS) { printf("No Sensors found!\n\n"); ThisThread::sleep_for(chrono::milliseconds(1000)); NVIC_SystemReset(); } // set each probe resolution, default is 12bit (750ms) probe[0]->setResolution(9); // probe[0]->setResolution(10); // probe[0]->setResolution(11); // probe[0]->setResolution(12); // probe[1]->setResolution(9); // probe[2]->setResolution(10); t.start(); while(1) { printf("\033[0m\033[2J\033[HDS Sensor data..\n\n"); int DS_error = 0; for (int i = 0; i < DS; i++) { Temp[i] = probe[i]->temperature(); if(Temp[i]==-1000) { Temp[i] = probe[i]->temperature(); // get read temp again if error DS_error++; } printf("Probe %d: %3.2f %cc\r\n",i,Temp[i],0xb0); mylcd.clear(); mylcd.cursorpos(0); mylcd.printf("%3.1f",Temp[i]); } printf("\nDS errors: %d\n\n", DS_error); printf("Start conversion\n"); t.reset(); // don't wait for conversion, but do something that takes at least 750ms before reading the sensors //if(DS>0){probe[0]->convertTemperature(0, DS1820::all_devices);} // wait for conversion, can take up to 750ms(12 bit mode) if(DS>0){probe[0]->convertTemperature(1, DS1820::all_devices);} printf("\nConvert process time: %0.6f Seconds\n", chrono::duration<float>(t.elapsed_time()).count()); ThisThread::sleep_for(chrono::milliseconds(1000)); } }