Honza T. / Mbed 2 deprecated EXAMPLE_Nucleo_mbed_RTOS_test_code

Simple test program to get familiar with functionality of MBED RTOS on ST Nucleo-F411RE. Tasks for LED blinking, user button, temperature measurement with DS1620, temperature measurement with internal temperature sensor of ST32F411RE, ultrasonic distance measurement and displaying result on 16x2 TextLCD.

Dependencies:   DS1620_improved TextLCD_improved mbed-rtos mbed

main.cpp

Committer:
dzoni
Date:
2015-12-12
Revision:
2:c190b9b39089
Parent:
0:75ede6a15252
Child:
5:ff77acf7d21d

File content as of revision 2:c190b9b39089:

#include "mbed.h"
#include "DS1620.h"
#include "TextLCD.h"

 
DigitalOut myled(LED1);

int main() {

    wait_us(500000);

    TextLCD lcd(PA_8, PA_7, PA_9, PA_1, PB_5, PA_10, TextLCD::LCD16x2);
    
    DS1620 ds1620Sensor(PB_4, PB_10, PB_3);
    
    float       temperature;
    uint32_t    uiCnt=0;

    ds1620Sensor.setSerialClockFrequency(freq500k);
    if ((ds1620Sensor.readConfig() & 0x03) != 0x03) {
        ds1620Sensor.writeConfig(0x03);
    }

    while(1) {   
        myled = myled ^ 1; 
    
        ds1620Sensor.startConversion();

        // Wait for conversion completion (Tconv = 750 ms typ)
        wait_us(750000);
        while (!(ds1620Sensor.readConfig() & 0x80))
            wait_us(10000);
        
        temperature = ds1620Sensor.getHighResolutionTemperature();
        
        lcd.cls();
        lcd.printf("Raw: %u", ds1620Sensor.readTemperatureRaw());
        uiCnt += 1;
        lcd.locate(0, 1);    
        lcd.printf("Float: %3.2f%cC", temperature, 0xdf);
        
        wait_us(250000);
    }
}