PT1 test

Dependencies:   mbed

Fork of AnalogIn-HelloWorld by Mbed

main.cpp

Committer:
runeleTanihata
Date:
2016-11-04
Revision:
2:8f81a97c83fb
Parent:
0:101a12a915c6
Child:
3:fd756d21b4c8

File content as of revision 2:8f81a97c83fb:

/* mbed Example Program
 * Copyright (c) 2006-2014 ARM Limited
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
 
#include "mbed.h"

// Initialize a pins to perform analog input and digital output fucntions

#ifdef TARGET_SSCI824
Serial pc(USBTX,USBRX);
AnalogIn   ain(P0_13);
DigitalOut dout(P0_16);
#endif

#ifdef TARGET_NUCLEO_F303K8
Serial pc(PA_9,PA_10);
AnalogIn   ain(PA_7);
DigitalOut dout(PB_1);
#endif

void disablePullUp(void)
{
#ifdef TARGET_SSCI824
    DigitalIn pin(P0_13);
#endif
#ifdef TARGET_NUCLEO_F303K8
    DigitalIn pin(PA_7);
#endif
    pin.mode(PullNone);
}

int main(void)
{
    disablePullUp();
    while (1) {
        // test the voltage on the initialized analog pin
        //  and if greater than 0.3 * VCC set the digital pin
        //  to a logic 1 otherwise a logic 0
        if(ain > 0.5f) {
            dout = 1;
        } else {
            dout = 0;
        }
                
        // print the percentage and 16 bit normalized values
        pc.printf("percentage: %3.3f%%\n", ain.read()*100.0f);
        pc.printf("normalized: 0x%04X \n", ain.read_u16());
        wait(0.2f);
    }
}