Brendon Ky / Mbed 2 deprecated cs_335_speedometer

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Dependencies:   mbed mbed-rtos

main.cpp

Committer:
bky
Date:
2020-12-01
Revision:
9:b7e8d0372f53
Parent:
8:9f59ef177620
Child:
10:8d86e59fb408

File content as of revision 9:b7e8d0372f53:

#include "mbed.h"

#include <time.h>
# include <stdbool.h>

# define LIGHT_SENSOR_PIN p15


    
AnalogIn lightSensorVoltage(LIGHT_SENSOR_PIN);
Serial pc(USBTX, USBRX);

DigitalOut myled(LED1);

float voltage0 = 0;
float voltage1 = 0;

bool flashDetected() {
    bool flashDetected = (voltage1 < voltage0) && (voltage0 > lightSensorVoltage.read());
        
    // update stored values
    voltage1 = voltage0;
    voltage0 = lightSensorVoltage;
    
    return flashDetected;
}

void sendFloat(float value) {
    for (int i=0; i<4; i++)
        pc.putc(*(((char*) &value)+i));
}

int main() {
    //int flashTime = 0;
    printf("starting\n");
    while(1) {
        sendFloat(lightSensorVoltage.read());
        wait(0.1);
    }
}