mirror of
https://github.com/eclipse/upm.git
synced 2025-03-15 04:57:30 +03:00
141 lines
4.1 KiB
C++
141 lines
4.1 KiB
C++
/*
|
|
* Author: Jon Trulson <jtrulson@ics.com>
|
|
* Copyright (c) 2015 Intel Corporation.
|
|
*
|
|
* This program and the accompanying materials are made available under the
|
|
* terms of the The MIT License which is available at
|
|
* https://opensource.org/licenses/MIT.
|
|
*
|
|
* SPDX-License-Identifier: MIT
|
|
*/
|
|
|
|
#include <iostream>
|
|
#include <signal.h>
|
|
#include <string.h>
|
|
#include <string>
|
|
|
|
#include "hmtrp.hpp"
|
|
#include "upm_utilities.h"
|
|
|
|
using namespace std;
|
|
|
|
bool shouldRun = true;
|
|
|
|
void
|
|
sig_handler(int signo)
|
|
{
|
|
if (signo == SIGINT)
|
|
shouldRun = false;
|
|
}
|
|
|
|
void
|
|
printUsage()
|
|
{
|
|
cout << "Usage:" << endl;
|
|
cout << "Pass a commandline argument (any argument) to this program" << endl;
|
|
cout << "to query the radio configuration and output it. NOTE: the" << endl;
|
|
cout << "radio must be in CONFIG mode for this to work." << endl;
|
|
cout << endl;
|
|
cout << "Running this program without arguments will simply transmit" << endl;
|
|
cout << "'Hello World!' every second, and output any data received from" << endl;
|
|
cout << "another radio." << endl;
|
|
cout << endl;
|
|
}
|
|
|
|
const size_t bufferLength = 256;
|
|
|
|
int
|
|
main(int argc, char** argv)
|
|
{
|
|
signal(SIGINT, sig_handler);
|
|
|
|
//! [Interesting]
|
|
// Instantiate a HMTRP radio device on uart 0
|
|
|
|
upm::HMTRP radio(0);
|
|
|
|
// make sure port is initialized properly. 9600 baud is the default.
|
|
if (!radio.setupTty(B9600)) {
|
|
cerr << "Failed to setup tty port parameters" << endl;
|
|
return 1;
|
|
}
|
|
|
|
printUsage();
|
|
|
|
// By default, this radio simply transmits data sent via writeData()
|
|
// and reads any available data via readData().
|
|
|
|
// It can be placed into a configuration mode by grounding the
|
|
// CONFIG pin on the module. When this is done, the various
|
|
// configuration query and config methods can be used. In this
|
|
// example, by default, we just read any data available fom the
|
|
// device, and periodically transmit "Hello World".
|
|
|
|
// If any argument was specified on the command line, do a simple
|
|
// configuration query and output the results. The radio must be in
|
|
// CONFIG mode for this to work.
|
|
|
|
if (argc > 1) {
|
|
// config mode
|
|
uint32_t freq;
|
|
uint32_t dataRate;
|
|
uint16_t rxBandwidth;
|
|
uint8_t modulation;
|
|
uint8_t txPower;
|
|
uint32_t uartBaud;
|
|
|
|
if (radio.getConfig(&freq, &dataRate, &rxBandwidth, &modulation, &txPower, &uartBaud)) {
|
|
cout << "Radio configuration:" << endl;
|
|
cout << "freq: " << freq << " dataRate: " << dataRate << " rxBandwidth: " << rxBandwidth
|
|
<< "Khz" << endl;
|
|
|
|
cout << "modulation: " << int(modulation) << "Khz txPower: " << int(txPower)
|
|
<< " uartBaud: " << uartBaud << endl;
|
|
} else {
|
|
cerr << "getConfig() failed. Make sure the radio is in "
|
|
<< "CONFIG mode." << endl;
|
|
}
|
|
} else {
|
|
// normal read/write mode
|
|
char radioBuffer[bufferLength];
|
|
int counter = 0;
|
|
cout << "Running in normal read/write mode." << endl;
|
|
|
|
while (shouldRun) {
|
|
// we don't want the read to block in this example, so always
|
|
// check to see if data is available first.
|
|
if (radio.dataAvailable()) {
|
|
memset(radioBuffer, 0, bufferLength);
|
|
int rv = radio.readData(radioBuffer, bufferLength - 1);
|
|
|
|
if (rv > 0)
|
|
cout << "Received: " << radioBuffer << endl;
|
|
|
|
if (rv < 0) // some sort of read error occurred
|
|
{
|
|
cerr << "Port read error." << endl;
|
|
break;
|
|
}
|
|
|
|
continue;
|
|
}
|
|
|
|
upm_delay_us(100000); // 100ms
|
|
counter++;
|
|
// every second, transmit "Hello World"
|
|
if (counter > 10) {
|
|
static const char* hello = "Hello World!";
|
|
cout << "Transmitting hello world..." << endl;
|
|
radio.writeData((char*) hello, strlen(hello) + 1);
|
|
counter = 0;
|
|
}
|
|
}
|
|
}
|
|
|
|
//! [Interesting]
|
|
|
|
cout << "Exiting..." << endl;
|
|
|
|
return 0;
|
|
}
|