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MMDVMHost-Private/Nextion.cpp
root 574343c439 Process data from display to MMDVMHost (serial pass-through & transparent data) 
also taking into account the sendFrameType parameter
Do not control Nextion backlight when active brightness is zero
2018-09-13 20:35:12 +02:00

866 lines
19 KiB
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/*
* Copyright (C) 2016,2017,2018 by Jonathan Naylor G4KLX
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#include "NetworkInfo.h"
#include "Nextion.h"
#include "Log.h"
#include <cstdio>
#include <cassert>
#include <cstring>
#include <ctime>
#include <clocale>
//#include <unistd.h>
const unsigned int DSTAR_RSSI_COUNT = 3U; // 3 * 420ms = 1260ms
const unsigned int DSTAR_BER_COUNT = 63U; // 63 * 20ms = 1260ms
const unsigned int DMR_RSSI_COUNT = 4U; // 4 * 360ms = 1440ms
const unsigned int DMR_BER_COUNT = 24U; // 24 * 60ms = 1440ms
const unsigned int YSF_RSSI_COUNT = 13U; // 13 * 100ms = 1300ms
const unsigned int YSF_BER_COUNT = 13U; // 13 * 100ms = 1300ms
const unsigned int P25_RSSI_COUNT = 7U; // 7 * 180ms = 1260ms
const unsigned int P25_BER_COUNT = 7U; // 7 * 180ms = 1260ms
const unsigned int NXDN_RSSI_COUNT = 28U; // 28 * 40ms = 1120ms
const unsigned int NXDN_BER_COUNT = 28U; // 28 * 40ms = 1120ms
CNextion::CNextion(const std::string& callsign, unsigned int dmrid, ISerialPort* serial, unsigned int brightness, bool displayClock, bool utc, unsigned int idleBrightness, unsigned int screenLayout, unsigned int txFrequency, unsigned int rxFrequency, bool displayTempInF, const std::string& location) :
CDisplay(),
m_callsign(callsign),
m_ipaddress("(ip unknown)"),
m_dmrid(dmrid),
m_serial(serial),
m_brightness(brightness),
m_mode(MODE_IDLE),
m_displayClock(displayClock),
m_utc(utc),
m_idleBrightness(idleBrightness),
m_screenLayout(screenLayout),
m_clockDisplayTimer(1000U, 0U, 400U),
m_rssiAccum1(0U),
m_rssiAccum2(0U),
m_berAccum1(0.0F),
m_berAccum2(0.0F),
m_rssiCount1(0U),
m_rssiCount2(0U),
m_berCount1(0U),
m_berCount2(0U),
m_txFrequency(txFrequency),
m_rxFrequency(rxFrequency),
m_fl_txFrequency(0.0F),
m_fl_rxFrequency(0.0F),
m_displayTempInF(displayTempInF),
m_location(location)
{
assert(serial != NULL);
assert(brightness >= 0U && brightness <= 100U);
}
CNextion::~CNextion()
{
}
bool CNextion::open()
{
unsigned char info[100U];
CNetworkInfo* m_network;
bool ret = m_serial->open();
if (!ret) {
LogError("Cannot open the port for the Nextion display");
delete m_serial;
return false;
}
info[0] = 0;
m_network = new CNetworkInfo;
m_network->getNetworkInterface(info);
m_ipaddress = (char*)info;
sendCommand("bkcmd=0");
sendCommandAction(0U);
m_fl_txFrequency = float(m_txFrequency) / 1000000.0F;
m_fl_rxFrequency = float(m_rxFrequency) / 1000000.0F;
setIdle();
return true;
}
void CNextion::setIdleInt()
{
// a few bits borrowed from Lieven De Samblanx ON7LDS, NextionDriver
char command[100U];
sendCommand("page MMDVM");
sendCommandAction(1U);
if (m_brightness>0) {
::sprintf(command, "dim=%u", m_idleBrightness);
sendCommand(command);
}
::sprintf(command, "t0.txt=\"%s/%u\"", m_callsign.c_str(), m_dmrid);
sendCommand(command);
if (m_screenLayout > 2U) {
::sprintf(command, "t4.txt=\"%s\"", m_callsign.c_str());
sendCommand(command);
::sprintf(command, "t5.txt=\"%u\"", m_dmrid);
sendCommand(command);
sendCommandAction(17U);
::sprintf(command, "t30.txt=\"%3.4f\"",m_fl_rxFrequency); // RX freq
sendCommand(command);
sendCommandAction(20U);
::sprintf(command, "t32.txt=\"%3.4f\"",m_fl_txFrequency); // TX freq
sendCommand(command);
sendCommandAction(21U);
// CPU temperature
FILE* fp = ::fopen("/sys/class/thermal/thermal_zone0/temp", "rt");
if (fp != NULL) {
double val = 0.0;
int n = ::fscanf(fp, "%lf", &val);
::fclose(fp);
if (n == 1) {
val /= 1000.0;
if (m_displayTempInF) {
val = (1.8 * val) + 32.0;
::sprintf(command, "t20.txt=\"%2.1f %cF\"", val, 176);
} else {
::sprintf(command, "t20.txt=\"%2.1f %cC\"", val, 176);
}
sendCommand(command);
sendCommandAction(22U);
}
}
::sprintf(command, "t31.txt=\"%s\"", m_location.c_str()); // location
sendCommand(command);
sendCommandAction(23U);
} else {
sendCommandAction(17U);
}
sendCommand("t1.txt=\"MMDVM IDLE\"");
sendCommandAction(11U);
::sprintf(command, "t3.txt=\"%s\"", m_ipaddress.c_str());
sendCommand(command);
sendCommandAction(16U);
m_clockDisplayTimer.start();
m_mode = MODE_IDLE;
}
void CNextion::setErrorInt(const char* text)
{
assert(text != NULL);
sendCommand("page MMDVM");
sendCommandAction(1U);
char command[20];
if (m_brightness>0) {
::sprintf(command, "dim=%u", m_brightness);
sendCommand(command);
}
::sprintf(command, "t0.txt=\"%s\"", text);
sendCommandAction(13U);
sendCommand(command);
sendCommand("t1.txt=\"ERROR\"");
sendCommandAction(14U);
m_clockDisplayTimer.stop();
m_mode = MODE_ERROR;
}
void CNextion::setLockoutInt()
{
sendCommand("page MMDVM");
sendCommandAction(1U);
char command[20];
if (m_brightness>0) {
::sprintf(command, "dim=%u", m_brightness);
sendCommand(command);
}
sendCommand("t0.txt=\"LOCKOUT\"");
sendCommandAction(15U);
m_clockDisplayTimer.stop();
m_mode = MODE_LOCKOUT;
}
void CNextion::setQuitInt()
{
sendCommand("page MMDVM");
sendCommandAction(1U);
char command[100];
if (m_brightness>0) {
::sprintf(command, "dim=%u", m_idleBrightness);
sendCommand(command);
}
::sprintf(command, "t3.txt=\"%s\"", m_ipaddress.c_str());
sendCommand(command);
sendCommandAction(16U);
sendCommand("t0.txt=\"MMDVM STOPPED\"");
sendCommandAction(19U);
m_clockDisplayTimer.stop();
m_mode = MODE_QUIT;
}
void CNextion::writeDStarInt(const char* my1, const char* my2, const char* your, const char* type, const char* reflector)
{
assert(my1 != NULL);
assert(my2 != NULL);
assert(your != NULL);
assert(type != NULL);
assert(reflector != NULL);
if (m_mode != MODE_DSTAR) {
sendCommand("page DStar");
sendCommandAction(2U);
}
char text[50U];
if (m_brightness>0) {
::sprintf(text, "dim=%u", m_brightness);
sendCommand(text);
}
::sprintf(text, "t0.txt=\"%s %.8s/%4.4s\"", type, my1, my2);
sendCommand(text);
sendCommandAction(42U);
::sprintf(text, "t1.txt=\"%.8s\"", your);
sendCommand(text);
sendCommandAction(45U);
if (::strcmp(reflector, " ") != 0) {
::sprintf(text, "t2.txt=\"via %.8s\"", reflector);
sendCommand(text);
sendCommandAction(46U);
}
m_clockDisplayTimer.stop();
m_mode = MODE_DSTAR;
m_rssiAccum1 = 0U;
m_berAccum1 = 0.0F;
m_rssiCount1 = 0U;
m_berCount1 = 0U;
}
void CNextion::writeDStarRSSIInt(unsigned char rssi)
{
m_rssiAccum1 += rssi;
m_rssiCount1++;
if (m_rssiCount1 == DSTAR_RSSI_COUNT) {
char text[25U];
::sprintf(text, "t3.txt=\"-%udBm\"", m_rssiAccum1 / DSTAR_RSSI_COUNT);
sendCommand(text);
sendCommandAction(47U);
m_rssiAccum1 = 0U;
m_rssiCount1 = 0U;
}
}
void CNextion::writeDStarBERInt(float ber)
{
m_berAccum1 += ber;
m_berCount1++;
if (m_berCount1 == DSTAR_BER_COUNT) {
char text[25U];
::sprintf(text, "t4.txt=\"%.1f%%\"", m_berAccum1 / float(DSTAR_BER_COUNT));
sendCommand(text);
sendCommandAction(48U);
m_berAccum1 = 0.0F;
m_berCount1 = 0U;
}
}
void CNextion::clearDStarInt()
{
sendCommand("t0.txt=\"Listening\"");
sendCommandAction(41U);
sendCommand("t1.txt=\"\"");
sendCommand("t2.txt=\"\"");
sendCommand("t3.txt=\"\"");
sendCommand("t4.txt=\"\"");
}
void CNextion::writeDMRInt(unsigned int slotNo, const std::string& src, bool group, const std::string& dst, const char* type)
{
assert(type != NULL);
if (m_mode != MODE_DMR) {
sendCommand("page DMR");
sendCommandAction(3U);
if (slotNo == 1U) {
if (m_screenLayout == 2U) {
sendCommand("t2.pco=0");
sendCommand("t2.font=4");
}
sendCommand("t2.txt=\"2 Listening\"");
sendCommandAction(69U);
} else {
if (m_screenLayout == 2U) {
sendCommand("t0.pco=0");
sendCommand("t0.font=4");
}
sendCommand("t0.txt=\"1 Listening\"");
sendCommandAction(61U);
}
}
char text[50U];
if (m_brightness>0) {
::sprintf(text, "dim=%u", m_brightness);
sendCommand(text);
}
if (slotNo == 1U) {
::sprintf(text, "t0.txt=\"1 %s %s\"", type, src.c_str());
if (m_screenLayout == 2U) {
sendCommand("t0.pco=0");
sendCommand("t0.font=4");
}
sendCommand(text);
sendCommandAction(62U);
::sprintf(text, "t1.txt=\"%s%s\"", group ? "TG" : "", dst.c_str());
sendCommand(text);
sendCommandAction(65U);
} else {
::sprintf(text, "t2.txt=\"2 %s %s\"", type, src.c_str());
if (m_screenLayout == 2U) {
sendCommand("t2.pco=0");
sendCommand("t2.font=4");
}
sendCommand(text);
sendCommandAction(70U);
::sprintf(text, "t3.txt=\"%s%s\"", group ? "TG" : "", dst.c_str());
sendCommand(text);
sendCommandAction(73U);
}
m_clockDisplayTimer.stop();
m_mode = MODE_DMR;
m_rssiAccum1 = 0U;
m_rssiAccum2 = 0U;
m_berAccum1 = 0.0F;
m_berAccum2 = 0.0F;
m_rssiCount1 = 0U;
m_rssiCount2 = 0U;
m_berCount1 = 0U;
m_berCount2 = 0U;
}
void CNextion::writeDMRRSSIInt(unsigned int slotNo, unsigned char rssi)
{
if (slotNo == 1U) {
m_rssiAccum1 += rssi;
m_rssiCount1++;
if (m_rssiCount1 == DMR_RSSI_COUNT) {
char text[25U];
::sprintf(text, "t4.txt=\"-%udBm\"", m_rssiAccum1 / DMR_RSSI_COUNT);
sendCommand(text);
sendCommandAction(66U);
m_rssiAccum1 = 0U;
m_rssiCount1 = 0U;
}
} else {
m_rssiAccum2 += rssi;
m_rssiCount2++;
if (m_rssiCount2 == DMR_RSSI_COUNT) {
char text[25U];
::sprintf(text, "t5.txt=\"-%udBm\"", m_rssiAccum2 / DMR_RSSI_COUNT);
sendCommand(text);
sendCommandAction(74U);
m_rssiAccum2 = 0U;
m_rssiCount2 = 0U;
}
}
}
void CNextion::writeDMRTAInt(unsigned int slotNo, unsigned char* talkerAlias, const char* type)
{
if (m_screenLayout < 2U)
return;
if (type[0] == ' ') {
if (slotNo == 1U) {
if (m_screenLayout == 2U) sendCommand("t0.pco=33808");
sendCommandAction(64U);
} else {
if (m_screenLayout == 2U) sendCommand("t2.pco=33808");
sendCommandAction(72U);
}
return;
}
if (slotNo == 1U) {
char text[50U];
::sprintf(text, "t0.txt=\"1 %s %s\"", type, talkerAlias);
if (m_screenLayout == 2U) {
if (::strlen((char*)talkerAlias) > (16U-4U))
sendCommand("t0.font=3");
if (::strlen((char*)talkerAlias) > (20U-4U))
sendCommand("t0.font=2");
if (::strlen((char*)talkerAlias) > (24U-4U))
sendCommand("t0.font=1");
sendCommand("t0.pco=1024");
}
sendCommand(text);
sendCommandAction(63U);
} else {
char text[50U];
::sprintf(text, "t2.txt=\"2 %s %s\"", type, talkerAlias);
if (m_screenLayout == 2U) {
if (::strlen((char*)talkerAlias) > (16U-4U))
sendCommand("t2.font=3");
if (::strlen((char*)talkerAlias) > (20U-4U))
sendCommand("t2.font=2");
if (::strlen((char*)talkerAlias) > (24U-4U))
sendCommand("t2.font=1");
sendCommand("t2.pco=1024");
}
sendCommand(text);
sendCommandAction(71U);
}
}
void CNextion::writeDMRBERInt(unsigned int slotNo, float ber)
{
if (slotNo == 1U) {
m_berAccum1 += ber;
m_berCount1++;
if (m_berCount1 == DMR_BER_COUNT) {
char text[25U];
::sprintf(text, "t6.txt=\"%.1f%%\"", m_berAccum1 / DMR_BER_COUNT);
sendCommand(text);
sendCommandAction(67U);
m_berAccum1 = 0U;
m_berCount1 = 0U;
}
} else {
m_berAccum2 += ber;
m_berCount2++;
if (m_berCount2 == DMR_BER_COUNT) {
char text[25U];
::sprintf(text, "t7.txt=\"%.1f%%\"", m_berAccum2 / DMR_BER_COUNT);
sendCommand(text);
sendCommandAction(75U);
m_berAccum2 = 0U;
m_berCount2 = 0U;
}
}
}
void CNextion::clearDMRInt(unsigned int slotNo)
{
if (slotNo == 1U) {
sendCommand("t0.txt=\"1 Listening\"");
sendCommandAction(61U);
if (m_screenLayout == 2U) {
sendCommand("t0.pco=0");
sendCommand("t0.font=4");
}
sendCommand("t1.txt=\"\"");
sendCommand("t4.txt=\"\"");
sendCommand("t6.txt=\"\"");
} else {
sendCommand("t2.txt=\"2 Listening\"");
sendCommandAction(69U);
if (m_screenLayout == 2U) {
sendCommand("t2.pco=0");
sendCommand("t2.font=4");
}
sendCommand("t3.txt=\"\"");
sendCommand("t5.txt=\"\"");
sendCommand("t7.txt=\"\"");
}
}
void CNextion::writeFusionInt(const char* source, const char* dest, const char* type, const char* origin)
{
assert(source != NULL);
assert(dest != NULL);
assert(type != NULL);
assert(origin != NULL);
if (m_mode != MODE_YSF) {
sendCommand("page YSF");
sendCommandAction(4U);
}
char text[30U];
if (m_brightness>0) {
::sprintf(text, "dim=%u", m_brightness);
sendCommand(text);
}
::sprintf(text, "t0.txt=\"%s %.10s\"", type, source);
sendCommand(text);
sendCommandAction(82U);
::sprintf(text, "t1.txt=\"%.10s\"", dest);
sendCommand(text);
sendCommandAction(83U);
if (::strcmp(origin, " ") != 0) {
::sprintf(text, "t2.txt=\"at %.10s\"", origin);
sendCommand(text);
sendCommandAction(84U);
}
m_clockDisplayTimer.stop();
m_mode = MODE_YSF;
m_rssiAccum1 = 0U;
m_berAccum1 = 0.0F;
m_rssiCount1 = 0U;
m_berCount1 = 0U;
}
void CNextion::writeFusionRSSIInt(unsigned char rssi)
{
m_rssiAccum1 += rssi;
m_rssiCount1++;
if (m_rssiCount1 == YSF_RSSI_COUNT) {
char text[25U];
::sprintf(text, "t3.txt=\"-%udBm\"", m_rssiAccum1 / YSF_RSSI_COUNT);
sendCommand(text);
sendCommandAction(85U);
m_rssiAccum1 = 0U;
m_rssiCount1 = 0U;
}
}
void CNextion::writeFusionBERInt(float ber)
{
m_berAccum1 += ber;
m_berCount1++;
if (m_berCount1 == YSF_BER_COUNT) {
char text[25U];
::sprintf(text, "t4.txt=\"%.1f%%\"", m_berAccum1 / float(YSF_BER_COUNT));
sendCommand(text);
sendCommandAction(86U);
m_berAccum1 = 0.0F;
m_berCount1 = 0U;
}
}
void CNextion::clearFusionInt()
{
sendCommand("t0.txt=\"Listening\"");
sendCommandAction(81U);
sendCommand("t1.txt=\"\"");
sendCommand("t2.txt=\"\"");
sendCommand("t3.txt=\"\"");
sendCommand("t4.txt=\"\"");
}
void CNextion::writeP25Int(const char* source, bool group, unsigned int dest, const char* type)
{
assert(source != NULL);
assert(type != NULL);
if (m_mode != MODE_P25) {
sendCommand("page P25");
sendCommandAction(5U);
}
char text[30U];
if (m_brightness>0) {
::sprintf(text, "dim=%u", m_brightness);
sendCommand(text);
}
::sprintf(text, "t0.txt=\"%s %.10s\"", type, source);
sendCommand(text);
sendCommandAction(102U);
::sprintf(text, "t1.txt=\"%s%u\"", group ? "TG" : "", dest);
sendCommand(text);
sendCommandAction(103U);
m_clockDisplayTimer.stop();
m_mode = MODE_P25;
m_rssiAccum1 = 0U;
m_berAccum1 = 0.0F;
m_rssiCount1 = 0U;
m_berCount1 = 0U;
}
void CNextion::writeP25RSSIInt(unsigned char rssi)
{
m_rssiAccum1 += rssi;
m_rssiCount1++;
if (m_rssiCount1 == P25_RSSI_COUNT) {
char text[25U];
::sprintf(text, "t2.txt=\"-%udBm\"", m_rssiAccum1 / P25_RSSI_COUNT);
sendCommand(text);
sendCommandAction(104U);
m_rssiAccum1 = 0U;
m_rssiCount1 = 0U;
}
}
void CNextion::writeP25BERInt(float ber)
{
m_berAccum1 += ber;
m_berCount1++;
if (m_berCount1 == P25_BER_COUNT) {
char text[25U];
::sprintf(text, "t3.txt=\"%.1f%%\"", m_berAccum1 / float(P25_BER_COUNT));
sendCommand(text);
sendCommandAction(105U);
m_berAccum1 = 0.0F;
m_berCount1 = 0U;
}
}
void CNextion::clearP25Int()
{
sendCommand("t0.txt=\"Listening\"");
sendCommandAction(101U);
sendCommand("t1.txt=\"\"");
sendCommand("t2.txt=\"\"");
sendCommand("t3.txt=\"\"");
}
void CNextion::writeNXDNInt(const char* source, bool group, unsigned int dest, const char* type)
{
assert(source != NULL);
assert(type != NULL);
if (m_mode != MODE_NXDN) {
sendCommand("page NXDN");
sendCommandAction(6U);
}
char text[30U];
if (m_brightness>0) {
::sprintf(text, "dim=%u", m_brightness);
sendCommand(text);
}
::sprintf(text, "t0.txt=\"%s %.10s\"", type, source);
sendCommand(text);
sendCommandAction(122U);
::sprintf(text, "t1.txt=\"%s%u\"", group ? "TG" : "", dest);
sendCommand(text);
sendCommandAction(123U);
m_clockDisplayTimer.stop();
m_mode = MODE_NXDN;
m_rssiAccum1 = 0U;
m_berAccum1 = 0.0F;
m_rssiCount1 = 0U;
m_berCount1 = 0U;
}
void CNextion::writeNXDNRSSIInt(unsigned char rssi)
{
m_rssiAccum1 += rssi;
m_rssiCount1++;
if (m_rssiCount1 == NXDN_RSSI_COUNT) {
char text[25U];
::sprintf(text, "t2.txt=\"-%udBm\"", m_rssiAccum1 / NXDN_RSSI_COUNT);
sendCommand(text);
sendCommandAction(124U);
m_rssiAccum1 = 0U;
m_rssiCount1 = 0U;
}
}
void CNextion::writeNXDNBERInt(float ber)
{
m_berAccum1 += ber;
m_berCount1++;
if (m_berCount1 == NXDN_BER_COUNT) {
char text[25U];
::sprintf(text, "t3.txt=\"%.1f%%\"", m_berAccum1 / float(NXDN_BER_COUNT));
sendCommand(text);
sendCommandAction(125U);
m_berAccum1 = 0.0F;
m_berCount1 = 0U;
}
}
void CNextion::clearNXDNInt()
{
sendCommand("t0.txt=\"Listening\"");
sendCommandAction(121U);
sendCommand("t1.txt=\"\"");
sendCommand("t2.txt=\"\"");
sendCommand("t3.txt=\"\"");
}
void CNextion::writePOCSAGInt(uint32_t ric, const std::string& message)
{
if (m_mode != MODE_POCSAG) {
sendCommand("page POCSAG");
sendCommandAction(7U);
}
char text[200U];
if (m_brightness>0) {
::sprintf(text, "dim=%u", m_brightness);
sendCommand(text);
}
::sprintf(text, "t0.txt=\"RIC: %u\"", ric);
sendCommand(text);
sendCommandAction(132U);
::sprintf(text, "t1.txt=\"%s\"", message.c_str());
sendCommand(text);
sendCommandAction(133U);
m_clockDisplayTimer.stop();
m_mode = MODE_POCSAG;
}
void CNextion::clearPOCSAGInt()
{
sendCommand("t0.txt=\"Waiting\"");
sendCommandAction(134U);
sendCommand("t1.txt=\"\"");
}
void CNextion::writeCWInt()
{
sendCommand("t1.txt=\"Sending CW Ident\"");
sendCommandAction(12U);
m_clockDisplayTimer.start();
m_mode = MODE_CW;
}
void CNextion::clearCWInt()
{
sendCommand("t1.txt=\"MMDVM IDLE\"");
sendCommandAction(11U);
}
void CNextion::clockInt(unsigned int ms)
{
// Update the clock display in IDLE mode every 400ms
m_clockDisplayTimer.clock(ms);
if (m_displayClock && (m_mode == MODE_IDLE || m_mode == MODE_CW) && m_clockDisplayTimer.isRunning() && m_clockDisplayTimer.hasExpired()) {
time_t currentTime;
struct tm *Time;
::time(&currentTime); // Get the current time
if (m_utc)
Time = ::gmtime(&currentTime);
else
Time = ::localtime(&currentTime);
setlocale(LC_TIME,"");
char text[50U];
strftime(text, 50, "t2.txt=\"%x %X\"", Time);
sendCommand(text);
m_clockDisplayTimer.start(); // restart the clock display timer
}
}
void CNextion::close()
{
m_serial->close();
delete m_serial;
}
void CNextion::sendCommandAction(unsigned int status)
{
if (m_screenLayout<3U)
return;
char text[30U];
::sprintf(text, "MMDVM.status.val=%d", status);
sendCommand(text);
sendCommand("click S0,1");
}
void CNextion::sendCommand(const char* command)
{
assert(command != NULL);
m_serial->write((unsigned char*)command, (unsigned int)::strlen(command));
m_serial->write((unsigned char*)"\xFF\xFF\xFF", 3U);
// Since we just firing commands at the display, and not listening for the response,
// we must add a bit of a delay to allow the display to process the commands, else some are getting mangled.
// 10 ms is just a guess, but seems to be sufficient.
CThread::sleep(10U);
}
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