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MMDVMHost-Private/LCDproc.cpp
Jonathan Naylor dcdfca39d7 Add FM mode display.
2020-04-11 20:42:05 +01:00

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/*
* Copyright (C) 2016,2017,2018 by Tony Corbett G0WFV
* Copyright (C) 2018,2020 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.
*/
/*
* Some LCD displays include additional LEDs for status.
* If they exist, the LDCproc server will use the output command.
* If the LEDs do not exist, the command is ignored.
* to control these LEDs Below are the values for the Crystalfontz CFA-635.
* N4IRS
* LED 1 (DMR)
* Green 1 0000 0001
* Red 16 0001 0000
* Yellow 17 0001 0001
* LED 2 (P25)
* Green 2 0000 0010
* Red 32 0010 0000
* Yellow 34 0010 0010
* LED 3 (Fusion)
* Green 4 0000 0100
* Red 64 0100 0000
* Yellow 68 1000 0100
* LED 4 (D-Star)
* Green 8 0000 1000
* Red 128 1000 0000
* Yellow 136 1000 1000
* LED 5 (NXDN)
* Green 16 0001 0000
* Red 255 1111 1111
* Yellow 255 1111 1111
*/
#include "LCDproc.h"
#include "Log.h"
#include <cstdio>
#include <cassert>
#include <cstring>
#include <cstdlib>
#include <clocale>
#include <ctime>
#if !defined(_WIN32) && !defined(_WIN64)
#include <sys/types.h>
#include <sys/select.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <arpa/inet.h>
#include <errno.h>
#include <unistd.h>
#include <stdarg.h>
#else
#include <winsock.h>
#endif
#define BUFFER_MAX_LEN 128
int m_socketfd;
char m_buffer[BUFFER_MAX_LEN];
fd_set m_readfds, m_writefds;
struct timeval m_timeout;
int m_recvsize;
unsigned int m_rows(0);
unsigned int m_cols(0);
bool m_screensDefined(false);
bool m_connected(false);
char m_displayBuffer1[BUFFER_MAX_LEN];
char m_displayBuffer2[BUFFER_MAX_LEN];
const unsigned int DSTAR_RSSI_COUNT = 3U; // 3 * 420ms = 1260ms
const unsigned int DMR_RSSI_COUNT = 4U; // 4 * 360ms = 1440ms
const unsigned int YSF_RSSI_COUNT = 13U; // 13 * 100ms = 1300ms
const unsigned int P25_RSSI_COUNT = 7U; // 7 * 180ms = 1260ms
const unsigned int NXDN_RSSI_COUNT = 28U; // 28 * 40ms = 1120ms
CLCDproc::CLCDproc(std::string address, unsigned int port, unsigned int localPort, const std::string& callsign, unsigned int dmrid, bool displayClock, bool utc, bool duplex, bool dimOnIdle) :
CDisplay(),
m_address(address),
m_port(port),
m_localPort(localPort),
m_callsign(callsign),
m_dmrid(dmrid),
m_displayClock(displayClock),
m_utc(utc),
m_duplex(duplex),
//m_duplex(true), // uncomment to force duplex display for testing!
m_dimOnIdle(dimOnIdle),
m_dmr(false),
m_clockDisplayTimer(1000U, 0U, 250U), // Update the clock display every 250ms
m_rssiCount1(0U),
m_rssiCount2(0U)
{
}
CLCDproc::~CLCDproc()
{
}
bool CLCDproc::open()
{
const char *server;
unsigned int port, localPort;
struct sockaddr_in serverAddress, clientAddress;
struct hostent *h;
server = m_address.c_str();
port = m_port;
localPort = m_localPort;
/* Create TCP socket */
m_socketfd = socket(AF_INET, SOCK_STREAM, 0);
if (m_socketfd == -1) {
LogError("LCDproc, failed to create socket");
return false;
}
/* Sets client address (random port - need to specify manual port from ini file?) */
clientAddress.sin_family = AF_INET;
clientAddress.sin_addr.s_addr = htonl(INADDR_ANY);
//clientAddress.sin_port = htons(0);
clientAddress.sin_port = htons(localPort);
/* Bind the address to the socket */
if (bind(m_socketfd, (struct sockaddr *)&clientAddress, sizeof(clientAddress)) == -1) {
LogError("LCDproc, error whilst binding address");
return false;
}
/* Lookup the hostname address */
h = gethostbyname(server);
/* Sets server address */
serverAddress.sin_family = h->h_addrtype;
memcpy((char*)&serverAddress.sin_addr.s_addr, h->h_addr_list[0], h->h_length);
serverAddress.sin_port = htons(port);
if (connect(m_socketfd, (struct sockaddr * )&serverAddress, sizeof(serverAddress))==-1) {
LogError("LCDproc, cannot connect to server");
return false;
}
socketPrintf(m_socketfd, "hello"); // Login to the LCD server
socketPrintf(m_socketfd, "output 0"); // Clear all LEDs
return true;
}
void CLCDproc::setIdleInt()
{
m_clockDisplayTimer.start(); // Start the clock display in IDLE only
if (m_screensDefined) {
socketPrintf(m_socketfd, "screen_set DStar -priority hidden");
socketPrintf(m_socketfd, "screen_set DMR -priority hidden");
socketPrintf(m_socketfd, "screen_set YSF -priority hidden");
socketPrintf(m_socketfd, "screen_set P25 -priority hidden");
socketPrintf(m_socketfd, "screen_set NXDN -priority hidden");
socketPrintf(m_socketfd, "widget_set Status Status %u %u Idle", m_cols - 3, m_rows);
socketPrintf(m_socketfd, "output 0"); // Clear all LEDs
}
m_dmr = false;
}
void CLCDproc::setErrorInt(const char* text)
{
assert(text != NULL);
m_clockDisplayTimer.stop(); // Stop the clock display
if (m_screensDefined) {
socketPrintf(m_socketfd, "screen_set DStar -priority hidden");
socketPrintf(m_socketfd, "screen_set DMR -priority hidden");
socketPrintf(m_socketfd, "screen_set YSF -priority hidden");
socketPrintf(m_socketfd, "screen_set P25 -priority hidden");
socketPrintf(m_socketfd, "screen_set NXDN -priority hidden");
socketPrintf(m_socketfd, "widget_set Status Status %u %u Error", m_cols - 4, m_rows);
socketPrintf(m_socketfd, "output 0"); // Clear all LEDs
}
m_dmr = false;
}
void CLCDproc::setLockoutInt()
{
m_clockDisplayTimer.stop(); // Stop the clock display
if (m_screensDefined) {
socketPrintf(m_socketfd, "screen_set DStar -priority hidden");
socketPrintf(m_socketfd, "screen_set DMR -priority hidden");
socketPrintf(m_socketfd, "screen_set YSF -priority hidden");
socketPrintf(m_socketfd, "screen_set P25 -priority hidden");
socketPrintf(m_socketfd, "screen_set NXDN -priority hidden");
socketPrintf(m_socketfd, "widget_set Status Status %u %u Lockout", m_cols - 6, m_rows);
socketPrintf(m_socketfd, "output 0"); // Clear all LEDs
}
m_dmr = false;
}
// LED 4 Green 8 Red 128 Yellow 136
void CLCDproc::setQuitInt()
{
m_clockDisplayTimer.stop(); // Stop the clock display
if (m_screensDefined) {
socketPrintf(m_socketfd, "screen_set DStar -priority hidden");
socketPrintf(m_socketfd, "screen_set DMR -priority hidden");
socketPrintf(m_socketfd, "screen_set YSF -priority hidden");
socketPrintf(m_socketfd, "screen_set P25 -priority hidden");
socketPrintf(m_socketfd, "screen_set NXDN -priority hidden");
socketPrintf(m_socketfd, "widget_set Status Status %u %u Stopped", m_cols - 6, m_rows);
socketPrintf(m_socketfd, "output 0"); // Clear all LEDs
}
m_dmr = false;
}
void CLCDproc::setFMInt()
{
m_clockDisplayTimer.stop(); // Stop the clock display
if (m_screensDefined) {
socketPrintf(m_socketfd, "screen_set DStar -priority hidden");
socketPrintf(m_socketfd, "screen_set DMR -priority hidden");
socketPrintf(m_socketfd, "screen_set YSF -priority hidden");
socketPrintf(m_socketfd, "screen_set P25 -priority hidden");
socketPrintf(m_socketfd, "screen_set NXDN -priority hidden");
socketPrintf(m_socketfd, "widget_set Status Status %u %u FM", m_cols - 6, m_rows);
socketPrintf(m_socketfd, "output 0"); // Clear all LEDs
}
m_dmr = false;
}
void CLCDproc::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);
m_clockDisplayTimer.stop(); // Stop the clock display
socketPrintf(m_socketfd, "screen_set DStar -priority foreground");
socketPrintf(m_socketfd, "widget_set DStar Mode 1 1 \"D-Star\"");
::sprintf(m_displayBuffer1, "%.8s", your);
char *p = m_displayBuffer1;
for (; *p; ++p) {
if (*p == ' ')
*p = '_';
}
if (strcmp(reflector, " ") != 0)
sprintf(m_displayBuffer2, " via %.8s", reflector);
else
memset(m_displayBuffer2, 0, BUFFER_MAX_LEN);
if (m_rows == 2U) {
socketPrintf(m_socketfd, "widget_set DStar Line2 1 2 %u 2 h 3 \"%.8s/%.4s to %s%s\"", m_cols - 1, my1, my2, m_displayBuffer1, m_displayBuffer2);
} else {
socketPrintf(m_socketfd, "widget_set DStar Line2 1 2 %u 2 h 3 \"%.8s/%.4s\"", m_cols - 1, my1, my2);
socketPrintf(m_socketfd, "widget_set DStar Line3 1 3 %u 3 h 3 \"%s%s\"", m_cols - 1, m_displayBuffer1, m_displayBuffer2);
socketPrintf(m_socketfd, "output 128"); // Set LED4 color red
}
m_dmr = false;
m_rssiCount1 = 0U;
}
void CLCDproc::writeDStarRSSIInt(unsigned char rssi)
{
if (m_rssiCount1 == 0U) {
socketPrintf(m_socketfd, "widget_set DStar Line4 1 4 %u 4 h 3 \"-%3udBm\"", m_cols - 1, rssi);
}
m_rssiCount1++;
if (m_rssiCount1 >= DSTAR_RSSI_COUNT)
m_rssiCount1 = 0U;
}
void CLCDproc::clearDStarInt()
{
m_clockDisplayTimer.stop(); // Stop the clock display
socketPrintf(m_socketfd, "widget_set DStar Line2 1 2 15 2 h 3 Listening");
socketPrintf(m_socketfd, "widget_set DStar Line3 1 3 15 3 h 3 \"\"");
socketPrintf(m_socketfd, "widget_set DStar Line4 1 4 15 4 h 3 \"\"");
socketPrintf(m_socketfd, "output 8"); // Set LED4 color green
}
// LED 1 Green 1 Red 16 Yellow 17
void CLCDproc::writeDMRInt(unsigned int slotNo, const std::string& src, bool group, const std::string& dst, const char* type)
{
assert(type != NULL);
if (!m_dmr) {
m_clockDisplayTimer.stop(); // Stop the clock display
socketPrintf(m_socketfd, "screen_set DMR -priority foreground");
if (m_duplex) {
if (m_rows > 2U)
socketPrintf(m_socketfd, "widget_set DMR Mode 1 1 DMR");
if (slotNo == 1U)
socketPrintf(m_socketfd, "widget_set DMR Slot2 3 %u %u %u h 3 \"Listening\"", m_rows / 2 + 1, m_cols - 1, m_rows / 2 + 1);
else
socketPrintf(m_socketfd, "widget_set DMR Slot1 3 %u %u %u h 3 \"Listening\"", m_rows / 2, m_cols - 1, m_rows / 2);
} else {
socketPrintf(m_socketfd, "widget_set DMR Slot1_ 1 %u \"\"", m_rows / 2);
socketPrintf(m_socketfd, "widget_set DMR Slot2_ 1 %u \"\"", m_rows / 2 + 1);
socketPrintf(m_socketfd, "widget_set DMR Slot1 1 %u %u %u h 3 \"Listening\"", m_rows / 2, m_cols - 1, m_rows / 2);
socketPrintf(m_socketfd, "widget_set DMR Slot2 1 %u %u %u h 3 \"\"", m_rows / 2 + 1, m_cols - 1, m_rows / 2 + 1);
}
}
if (m_duplex) {
if (m_rows > 2U)
socketPrintf(m_socketfd, "widget_set DMR Mode 1 1 DMR");
if (slotNo == 1U)
socketPrintf(m_socketfd, "widget_set DMR Slot1 3 %u %u %u h 3 \"%s > %s%s\"", m_rows / 2, m_cols - 1, m_rows / 2, src.c_str(), group ? "TG" : "", dst.c_str());
else
socketPrintf(m_socketfd, "widget_set DMR Slot2 3 %u %u %u h 3 \"%s > %s%s\"", m_rows / 2 + 1, m_cols - 1, m_rows / 2 + 1, src.c_str(), group ? "TG" : "", dst.c_str());
} else {
socketPrintf(m_socketfd, "widget_set DMR Mode 1 1 DMR");
if (m_rows == 2U) {
socketPrintf(m_socketfd, "widget_set DMR Slot1 1 2 %u 2 h 3 \"%s > %s%s\"", m_cols - 1, src.c_str(), group ? "TG" : "", dst.c_str());
} else {
socketPrintf(m_socketfd, "widget_set DMR Slot1 1 2 %u 2 h 3 \"%s >\"", m_cols - 1, src.c_str());
socketPrintf(m_socketfd, "widget_set DMR Slot2 1 3 %u 3 h 3 \"%s%s\"", m_cols - 1, group ? "TG" : "", dst.c_str());
}
}
socketPrintf(m_socketfd, "output 16"); // Set LED1 color red
m_dmr = true;
m_rssiCount1 = 0U;
m_rssiCount2 = 0U;
}
void CLCDproc::writeDMRRSSIInt(unsigned int slotNo, unsigned char rssi)
{
if (m_rows > 2) {
if (slotNo == 1U) {
if (m_rssiCount1 == 0U)
socketPrintf(m_socketfd, "widget_set DMR Slot1RSSI %u %u -%3udBm", 1, 4, rssi);
m_rssiCount1++;
if (m_rssiCount1 >= DMR_RSSI_COUNT)
m_rssiCount1 = 0U;
} else {
if (m_rssiCount2 == 0U)
socketPrintf(m_socketfd, "widget_set DMR Slot2RSSI %u %u -%3udBm", (m_cols / 2) + 1, 4, rssi);
m_rssiCount2++;
if (m_rssiCount2 >= DMR_RSSI_COUNT)
m_rssiCount2 = 0U;
}
}
}
void CLCDproc::clearDMRInt(unsigned int slotNo)
{
m_clockDisplayTimer.stop(); // Stop the clock display
if (m_duplex) {
if (slotNo == 1U) {
socketPrintf(m_socketfd, "widget_set DMR Slot1 3 %u %u %u h 3 \"Listening\"", m_rows / 2, m_cols - 1, m_rows / 2);
socketPrintf(m_socketfd, "widget_set DMR Slot1RSSI %u %u %*.s", 1, 4, m_cols / 2, " ");
} else {
socketPrintf(m_socketfd, "widget_set DMR Slot2 3 %u %u %u h 3 \"Listening\"", m_rows / 2 + 1, m_cols - 1, m_rows / 2 + 1);
socketPrintf(m_socketfd, "widget_set DMR Slot2RSSI %u %u %*.s", (m_cols / 2) + 1, 4, m_cols / 2, " ");
}
} else {
socketPrintf(m_socketfd, "widget_set DMR Slot1 1 2 15 2 h 3 Listening");
socketPrintf(m_socketfd, "widget_set DMR Slot2 1 3 15 3 h 3 \"\"");
socketPrintf(m_socketfd, "widget_set DMR Slot2RSSI %u %u %*.s", (m_cols / 2) + 1, 4, m_cols / 2, " ");
}
socketPrintf(m_socketfd, "output 1"); // Set LED1 color green
}
// LED 3 Green 4 Red 64 Yellow 68
void CLCDproc::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);
m_clockDisplayTimer.stop(); // Stop the clock display
socketPrintf(m_socketfd, "screen_set YSF -priority foreground");
socketPrintf(m_socketfd, "widget_set YSF Mode 1 1 \"System Fusion\"");
if (m_rows == 2U) {
socketPrintf(m_socketfd, "widget_set YSF Line2 1 2 15 2 h 3 \"%.10s > %s%u\"", source, dest);
} else {
socketPrintf(m_socketfd, "widget_set YSF Line2 1 2 15 2 h 3 \"%.10s >\"", source);
socketPrintf(m_socketfd, "widget_set YSF Line3 1 3 15 3 h 3 \"%s%u\"", dest);
socketPrintf(m_socketfd, "output 64"); // Set LED3 color red
}
m_dmr = false;
m_rssiCount1 = 0U;
}
void CLCDproc::writeFusionRSSIInt(unsigned char rssi)
{
if (m_rssiCount1 == 0U) {
socketPrintf(m_socketfd, "widget_set YSF Line4 1 4 %u 4 h 3 \"-%3udBm\"", m_cols - 1, rssi);
}
m_rssiCount1++;
if (m_rssiCount1 >= YSF_RSSI_COUNT)
m_rssiCount1 = 0U;
}
void CLCDproc::clearFusionInt()
{
m_clockDisplayTimer.stop(); // Stop the clock display
socketPrintf(m_socketfd, "widget_set YSF Line2 1 2 15 2 h 3 Listening");
socketPrintf(m_socketfd, "widget_set YSF Line3 1 3 15 3 h 3 \"\"");
socketPrintf(m_socketfd, "widget_set YSF Line4 1 4 15 4 h 3 \"\"");
socketPrintf(m_socketfd, "output 4"); // Set LED3 color green
}
// LED 2 Green 2 Red 32 Yellow 34
void CLCDproc::writeP25Int(const char* source, bool group, unsigned int dest, const char* type)
{
assert(source != NULL);
assert(type != NULL);
m_clockDisplayTimer.stop(); // Stop the clock display
socketPrintf(m_socketfd, "screen_set P25 -priority foreground");
socketPrintf(m_socketfd, "widget_set P25 Mode 1 1 P25");
if (m_rows == 2U) {
socketPrintf(m_socketfd, "widget_set P25 Line2 1 2 15 2 h 3 \"%.10s > %s%u\"", source, group ? "TG" : "", dest);
} else {
socketPrintf(m_socketfd, "widget_set P25 Line2 1 2 15 2 h 3 \"%.10s >\"", source);
socketPrintf(m_socketfd, "widget_set P25 Line3 1 3 15 3 h 3 \"%s%u\"", group ? "TG" : "", dest);
socketPrintf(m_socketfd, "output 32"); // Set LED2 color red
}
m_dmr = false;
m_rssiCount1 = 0U;
}
void CLCDproc::writeP25RSSIInt(unsigned char rssi)
{
if (m_rssiCount1 == 0U) {
socketPrintf(m_socketfd, "widget_set P25 Line4 1 4 %u 4 h 3 \"-%3udBm\"", m_cols - 1, rssi);
}
m_rssiCount1++;
if (m_rssiCount1 >= P25_RSSI_COUNT)
m_rssiCount1 = 0U;
}
void CLCDproc::clearP25Int()
{
m_clockDisplayTimer.stop(); // Stop the clock display
socketPrintf(m_socketfd, "widget_set P25 Line2 1 2 15 2 h 3 Listening");
socketPrintf(m_socketfd, "widget_set P25 Line3 1 3 15 3 h 3 \"\"");
socketPrintf(m_socketfd, "widget_set P25 Line4 1 4 15 4 h 3 \"\"");
socketPrintf(m_socketfd, "output 2"); // Set LED2 color green
}
// LED 5 Green 16 Red 255 Yellow 255
void CLCDproc::writeNXDNInt(const char* source, bool group, unsigned int dest, const char* type)
{
assert(source != NULL);
assert(type != NULL);
m_clockDisplayTimer.stop(); // Stop the clock display
socketPrintf(m_socketfd, "screen_set NXDN -priority foreground");
socketPrintf(m_socketfd, "widget_set NXDN Mode 1 1 NXDN");
if (m_rows == 2U) {
socketPrintf(m_socketfd, "widget_set NXDN Line2 1 2 15 2 h 3 \"%.10s > %s%u\"", source, group ? "TG" : "", dest);
} else {
socketPrintf(m_socketfd, "widget_set NXDN Line2 1 2 15 2 h 3 \"%.10s >\"", source);
socketPrintf(m_socketfd, "widget_set NXDN Line3 1 3 15 3 h 3 \"%s%u\"", group ? "TG" : "", dest);
socketPrintf(m_socketfd, "output 255"); // Set LED5 color red
}
m_dmr = false;
m_rssiCount1 = 0U;
}
void CLCDproc::writeNXDNRSSIInt(unsigned char rssi)
{
if (m_rssiCount1 == 0U) {
socketPrintf(m_socketfd, "widget_set NXDN Line4 1 4 %u 4 h 3 \"-%3udBm\"", m_cols - 1, rssi);
}
m_rssiCount1++;
if (m_rssiCount1 >= NXDN_RSSI_COUNT)
m_rssiCount1 = 0U;
}
void CLCDproc::clearNXDNInt()
{
m_clockDisplayTimer.stop(); // Stop the clock display
socketPrintf(m_socketfd, "widget_set NXDN Line2 1 2 15 2 h 3 Listening");
socketPrintf(m_socketfd, "widget_set NXDN Line3 1 3 15 3 h 3 \"\"");
socketPrintf(m_socketfd, "widget_set NXDN Line4 1 4 15 4 h 3 \"\"");
socketPrintf(m_socketfd, "output 16"); // Set LED5 color green
}
void CLCDproc::writePOCSAGInt(uint32_t ric, const std::string& message)
{
}
void CLCDproc::clearPOCSAGInt()
{
}
void CLCDproc::writeCWInt()
{
}
void CLCDproc::clearCWInt()
{
}
void CLCDproc::clockInt(unsigned int ms)
{
m_clockDisplayTimer.clock(ms);
// Idle clock display
if (m_displayClock && m_clockDisplayTimer.isRunning() && m_clockDisplayTimer.hasExpired()) {
time_t currentTime;
struct tm *Time;
time(&currentTime);
if (m_utc)
Time = gmtime(&currentTime);
else
Time = localtime(&currentTime);
setlocale(LC_TIME, "");
strftime(m_displayBuffer1, 128, "%X", Time); // Time
strftime(m_displayBuffer2, 128, "%x", Time); // Date
if (m_cols < 26U && m_rows == 2U) {
socketPrintf(m_socketfd, "widget_set Status Time %u 2 \"%s%s\"", m_cols - 9, strlen(m_displayBuffer1) > 8 ? "" : " ", m_displayBuffer1);
} else {
socketPrintf(m_socketfd, "widget_set Status Time %u %u \"%s\"", (m_cols - (strlen(m_displayBuffer1) == 8 ? 6 : 8)) / 2, m_rows / 2, m_displayBuffer1);
socketPrintf(m_socketfd, "widget_set Status Date %u %u \"%s\"", (m_cols - (strlen(m_displayBuffer1) == 8 ? 6 : 8)) / 2, m_rows / 2 + 1, m_displayBuffer2);
}
m_clockDisplayTimer.start();
}
// We must set all this information on each select we do
FD_ZERO(&m_readfds); // empty readfds
// Then we put all the descriptors we want to wait for in a mask = m_readfds
FD_SET(m_socketfd, &m_readfds);
// Timeout, we will stop waiting for information
m_timeout.tv_sec = 0;
m_timeout.tv_usec = 0;
/* The first parameter is the biggest descriptor + 1. The first one was 0, so
* every other descriptor will be bigger
*
* readfds = &m_readfds
* writefds = we are not waiting for writefds
* exceptfds = we are not waiting for exception fds
*/
if (select(m_socketfd + 1, &m_readfds, NULL, NULL, &m_timeout) == -1)
LogError("LCDproc, error on select");
// If something was received from the server...
if (FD_ISSET(m_socketfd, &m_readfds)) {
m_recvsize = recv(m_socketfd, m_buffer, BUFFER_MAX_LEN, 0);
if (m_recvsize == -1)
LogError("LCDproc, cannot receive information");
m_buffer[m_recvsize] = '\0';
char *argv[256];
size_t len = strlen(m_buffer);
// Now split the string into tokens...
int argc = 0;
int newtoken = 1;
for (size_t i = 0U; i < len; i++) {
switch (m_buffer[i]) {
case ' ':
newtoken = 1;
m_buffer[i] = 0;
break;
default: /* regular chars, keep tokenizing */
if (newtoken)
argv[argc++] = m_buffer + i;
newtoken = 0;
break;
case '\0':
case '\n':
m_buffer[i] = 0;
if (argc > 0) {
if (0 == strcmp(argv[0], "listen")) {
LogDebug("LCDproc, the %s screen is displayed", argv[1]);
} else if (0 == strcmp(argv[0], "ignore")) {
LogDebug("LCDproc, the %s screen is hidden", argv[1]);
} else if (0 == strcmp(argv[0], "key")) {
LogDebug("LCDproc, Key %s", argv[1]);
} else if (0 == strcmp(argv[0], "menu")) {
} else if (0 == strcmp(argv[0], "connect")) {
// connect LCDproc 0.5.7 protocol 0.3 lcd wid 16 hgt 2 cellwid 5 cellhgt 8
int a;
for (a = 1; a < argc; a++) {
if (0 == strcmp(argv[a], "wid"))
m_cols = atoi(argv[++a]);
else if (0 == strcmp(argv[a], "hgt"))
m_rows = atoi(argv[++a]);
else if (0 == strcmp(argv[a], "cellwid")) {
//lcd_cellwid = atoi(argv[++a]);
} else if (0 == strcmp(argv[a], "cellhgt")) {
//lcd_cellhgt = atoi(argv[++a]);
}
}
m_connected = true;
socketPrintf(m_socketfd, "client_set -name MMDVMHost");
} else if (0 == strcmp(argv[0], "bye")) {
//close the socket- todo
} else if (0 == strcmp(argv[0], "success")) {
//LogDebug("LCDproc, command successful");
} else if (0 == strcmp(argv[0], "huh?")) {
sprintf(m_displayBuffer1, "LCDproc, command failed:");
sprintf(m_displayBuffer2, " ");
int j;
for (j = 1; j < argc; j++) {
strcat(m_displayBuffer1, m_displayBuffer2);
strcat(m_displayBuffer1, argv[j]);
}
LogDebug("%s", m_displayBuffer1);
}
}
/* Restart tokenizing */
argc = 0;
newtoken = 1;
break;
} /* switch( m_buffer[i] ) */
}
}
if (!m_screensDefined && m_connected)
defineScreens();
}
void CLCDproc::close()
{
}
int CLCDproc::socketPrintf(int fd, const char *format, ...)
{
char buf[BUFFER_MAX_LEN];
va_list ap;
va_start(ap, format);
int size = vsnprintf(buf, BUFFER_MAX_LEN, format, ap);
va_end(ap);
if (size < 0) {
LogError("LCDproc, socketPrintf: vsnprintf failed");
return -1;
}
if (size > BUFFER_MAX_LEN)
LogWarning("LCDproc, socketPrintf: vsnprintf truncated message");
FD_ZERO(&m_writefds); // empty writefds
FD_SET(m_socketfd, &m_writefds);
m_timeout.tv_sec = 0;
m_timeout.tv_usec = 0;
if (select(m_socketfd + 1, NULL, &m_writefds, NULL, &m_timeout) == -1)
LogError("LCDproc, error on select");
if (FD_ISSET(m_socketfd, &m_writefds)) {
if (send(m_socketfd, buf, int(strlen(buf) + 1U), 0) == -1) {
LogError("LCDproc, cannot send data");
return -1;
}
}
return 0;
}
void CLCDproc::defineScreens()
{
// The Status Screen
socketPrintf(m_socketfd, "screen_add Status");
socketPrintf(m_socketfd, "screen_set Status -name Status -heartbeat on -priority info -backlight %s", m_dimOnIdle ? "off" : "on");
socketPrintf(m_socketfd, "widget_add Status Callsign string");
socketPrintf(m_socketfd, "widget_add Status DMRNumber string");
socketPrintf(m_socketfd, "widget_add Status Title string");
socketPrintf(m_socketfd, "widget_add Status Status string");
socketPrintf(m_socketfd, "widget_add Status Time string");
socketPrintf(m_socketfd, "widget_add Status Date string");
socketPrintf(m_socketfd, "widget_set Status Callsign 1 1 %s", m_callsign.c_str());
socketPrintf(m_socketfd, "widget_set Status DMRNumber %u 1 %u", m_cols - 7, m_dmrid);
socketPrintf(m_socketfd, "widget_set Status Title 1 %u MMDVM", m_rows);
socketPrintf(m_socketfd, "widget_set Status Status %u %u Idle", m_cols - 3, m_rows);
// The DStar Screen
socketPrintf(m_socketfd, "screen_add DStar");
socketPrintf(m_socketfd, "screen_set DStar -name DStar -heartbeat on -priority hidden -backlight on");
socketPrintf(m_socketfd, "widget_add DStar Mode string");
socketPrintf(m_socketfd, "widget_add DStar Line2 scroller");
socketPrintf(m_socketfd, "widget_add DStar Line3 scroller");
socketPrintf(m_socketfd, "widget_add DStar Line4 scroller");
/* Do we need to pre-populate the values??
socketPrintf(m_socketfd, "widget_set DStar Line2 1 2 15 2 h 3 Listening");
socketPrintf(m_socketfd, "widget_set DStar Line3 1 3 15 3 h 3 \"\"");
socketPrintf(m_socketfd, "widget_set DStar Line4 1 4 15 4 h 3 \"\"");
*/
// The DMR Screen
socketPrintf(m_socketfd, "screen_add DMR");
socketPrintf(m_socketfd, "screen_set DMR -name DMR -heartbeat on -priority hidden -backlight on");
socketPrintf(m_socketfd, "widget_add DMR Mode string");
socketPrintf(m_socketfd, "widget_add DMR Slot1_ string");
socketPrintf(m_socketfd, "widget_add DMR Slot2_ string");
socketPrintf(m_socketfd, "widget_add DMR Slot1 scroller");
socketPrintf(m_socketfd, "widget_add DMR Slot2 scroller");
socketPrintf(m_socketfd, "widget_add DMR Slot1RSSI string");
socketPrintf(m_socketfd, "widget_add DMR Slot2RSSI string");
/* Do we need to pre-populate the values??
socketPrintf(m_socketfd, "widget_set DMR Slot1_ 1 %u 1", m_rows / 2);
socketPrintf(m_socketfd, "widget_set DMR Slot2_ 1 %u 2", m_rows / 2 + 1);
socketPrintf(m_socketfd, "widget_set DMR Slot1 3 1 15 1 h 3 Listening");
socketPrintf(m_socketfd, "widget_set DMR Slot2 3 2 15 2 h 3 Listening");
*/
// The YSF Screen
socketPrintf(m_socketfd, "screen_add YSF");
socketPrintf(m_socketfd, "screen_set YSF -name YSF -heartbeat on -priority hidden -backlight on");
socketPrintf(m_socketfd, "widget_add YSF Mode string");
socketPrintf(m_socketfd, "widget_add YSF Line2 scroller");
socketPrintf(m_socketfd, "widget_add YSF Line3 scroller");
socketPrintf(m_socketfd, "widget_add YSF Line4 scroller");
/* Do we need to pre-populate the values??
socketPrintf(m_socketfd, "widget_set YSF Line2 2 1 15 1 h 3 Listening");
socketPrintf(m_socketfd, "widget_set YSF Line3 3 1 15 1 h 3 \" \"");
socketPrintf(m_socketfd, "widget_set YSF Line4 4 2 15 2 h 3 \" \"");
*/
// The P25 Screen
socketPrintf(m_socketfd, "screen_add P25");
socketPrintf(m_socketfd, "screen_set P25 -name P25 -heartbeat on -priority hidden -backlight on");
socketPrintf(m_socketfd, "widget_add P25 Mode string");
socketPrintf(m_socketfd, "widget_add P25 Line2 scroller");
socketPrintf(m_socketfd, "widget_add P25 Line3 scroller");
socketPrintf(m_socketfd, "widget_add P25 Line4 scroller");
/* Do we need to pre-populate the values??
socketPrintf(m_socketfd, "widget_set P25 Line3 2 1 15 1 h 3 Listening");
socketPrintf(m_socketfd, "widget_set P25 Line3 3 1 15 1 h 3 \" \"");
socketPrintf(m_socketfd, "widget_set P25 Line4 4 2 15 2 h 3 \" \"");
*/
// The NXDN Screen
socketPrintf(m_socketfd, "screen_add NXDN");
socketPrintf(m_socketfd, "screen_set NXDN -name NXDN -heartbeat on -priority hidden -backlight on");
socketPrintf(m_socketfd, "widget_add NXDN Mode string");
socketPrintf(m_socketfd, "widget_add NXDN Line2 scroller");
socketPrintf(m_socketfd, "widget_add NXDN Line3 scroller");
socketPrintf(m_socketfd, "widget_add NXDN Line4 scroller");
/* Do we need to pre-populate the values??
socketPrintf(m_socketfd, "widget_set NXDN Line3 2 1 15 1 h 3 Listening");
socketPrintf(m_socketfd, "widget_set NXDN Line3 3 1 15 1 h 3 \" \"");
socketPrintf(m_socketfd, "widget_set NXDN Line4 4 2 15 2 h 3 \" \"");
*/
m_screensDefined = true;
}
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