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101 lines
2.9 KiB
Plaintext
101 lines
2.9 KiB
Plaintext
/*
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* Copyright (C) 2018 Federico Pellegrin <fede@evolware.org>
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*
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* This file is subject to the terms and conditions of the GNU Lesser
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* General Public License v2.1. See the file LICENSE in the top level
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* directory for more details.
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*/
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/**
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* @ingroup tests
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* @{
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*
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* @file
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* @brief Test application for arduino module
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*
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* @author Federico Pellegrin <fede@evolware.org>
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*
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* @}
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*/
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#include <stdlib.h>
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#include <string.h>
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#ifdef STDIO_UART_BAUDRATE
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#define SERIAL_BAUDRATE STDIO_UART_BAUDRATE
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#else
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#define SERIAL_BAUDRATE 115200
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#endif
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/* Input buffer for receiving chars on the serial port */
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char buf[64];
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/* Counter of received chars in currently receiving line */
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int count = 0;
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void setup(void)
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{
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Serial.begin(SERIAL_BAUDRATE);
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Serial.println("Hello Arduino!");
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}
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void loop(void)
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{
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/* Read chars if available and seek for CR or LF */
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while (Serial.available() > 0) {
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int tmp = Serial.read();
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if (tmp == '\n' || tmp == '\r') {
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buf[count] = 0;
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if (count > 1) {
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if (strncmp(buf, "echo", 4) == 0) {
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/* echo command just echoes back the input string */
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Serial.write("ECHO:");
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for (int i = 4; i < count; i++) {
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Serial.write(buf[i]);
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}
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} else if (strncmp(buf, "numb", 4) == 0) {
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/* numb command prints input number in various formats */
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int numb=atoi(buf + 5);
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Serial.print(numb);
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Serial.print(" ");
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Serial.print(numb, DEC);
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Serial.print(" ");
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Serial.print(numb, HEX);
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Serial.print(" ");
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Serial.print(numb, OCT);
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} else if (strncmp(buf, "time", 4) == 0) {
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/* time command tests printing time and sleeps */
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unsigned long curtime = micros();
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unsigned long curtime2, curtime3;
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Serial.print((int) curtime);
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delay(36);
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Serial.print(" ");
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curtime2=micros();
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Serial.print((int) curtime2);
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delayMicroseconds(36000);
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Serial.print(" ");
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curtime3=micros();
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Serial.print((int) curtime3);
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/* test also that time is actually running */
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if ((curtime3 > curtime2) && (curtime2 > curtime)) {
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Serial.print(" OK END");
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} else {
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Serial.print(" ERR END");
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}
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} else {
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Serial.write("UNK");
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}
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Serial.println("");
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}
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count = 0;
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}
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else {
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buf[count++] = tmp;
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}
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}
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delay(500);
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}
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