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ECEM119 assignment 2 problem 4
main.cpp
- Committer:
- natasha41575
- Date:
- 2019-04-17
- Revision:
- 0:44f80f935e35
- Child:
- 1:eee108fd0b4b
File content as of revision 0:44f80f935e35:
/* mbed Microcontroller Library * Copyright (c) 2018 ARM Limited * SPDX-License-Identifier: Apache-2.0 */ #include "mbed.h" #include "stats_report.h" // PwmOut output(PTA10); DigitalIn input(PTD9); Timer timer1; Timer timer2; Serial pc(USBTX, USBRX); //create a Serial object int main() { int period_ms = 500; output.period_ms(period_ms); output.write(0.5); timer1.start(); timer2.start(); int prev = 0; int count = 0; int t = 0; float d = 0; int time_on = 0; while(1) { pc.baud(115200); int curr = input.read(); if (curr) { if (prev == 0) { timer2.reset(); if (count == 0) { t = timer1.read_us(); d = float(time_on) / t; pc.printf("mbed> %i, %f\n", t, d); } count = (count + 1) % 10; timer1.reset(); } prev = 1; } else { if (prev == 1) { time_on = timer2.read_us(); } prev = 0; } } }