static void turnoutCmd(char address, char cmd, TurnoutTable *turnout_state) {
int i = 0, row = 0, col = 0;
if (address >= 1 && address <= 18) {
i = address - 1;
row = i / 3 + 1;
col = 9 * (i % 3) + 8;
} else if (address >= 153 && address <= 156) {
i = address - 135;
row = 8;
col = 9 * (address - 153) + 8;
} else {
assert(0);
}
int mask = 1 << i;
char *colour;
char rep;
// don't repeat commands
if (cmd == CURVE) {
if ((*turnout_state & mask) == 0) {
colour = YELLOW;
rep = 'C';
*turnout_state |= mask;
} else {
return;
}
} else if (cmd == STRAIGHT) {
if ((*turnout_state & mask) == 0) {
return;
} else {
colour = GREEN;
rep = 'S';
*turnout_state &= ~mask;
}
} else {
assert(0);
}
struct String s;
sinit(&s);
sputc(&s, cmd);
sputc(&s, address);
sputc(&s, CLEAR_SOLENOID);
tioPrint(&s);
sinit(&s);
sputstr(&s, CURSOR_SAVE);
vtPos(&s, SWITCH_ROW + row, col);
sputstr(&s, colour);
sputc(&s, rep);
sputstr(&s, RESET);
sputstr(&s, CURSOR_RESTORE);
mioPrint(&s);
}
void drawTrackLayoutGraph(char track) {
char *trackA =
"\033[2;44H" "-- Track A --"
"\033[4;24H" "---------12--11----------------------------------\\"
"\033[5;24H" "-------4/ / ---------13--------10-----------\\ \\"
"\033[6;24H" " 14--/ \\ | / \\ \\"
"\033[7;24H" " / \\ |/155 \\--9"
"\033[8;24H" " | 156\\| |"
"\033[9;24H" " | |\\154 |"
"\033[10;24H" " \\ 153/| \\ /--8"
"\033[11;24H" " 15--\\ / | \\ / /"
"\033[12;24H" "--------\\ \\ ----------S---------S-----------/ /"
"\033[13;24H" "---------1\\ \\---------6------------7------------/"
"\033[14;24H" "-----------2\\ \\ /"
"\033[15;24H" "-------------3-----------18--------5------------";
char *trackB =
"\033[2;44H" "-- Track B --"
"\033[4;24H" " ------------5--------18-----------3-------------"
"\033[5;24H" " / \\ \\2-----------"
"\033[6;24H" " /------------7------------6---------\\ \\1---------"
"\033[7;24H" " / /-----------17--------16--------- \\ \\"
"\033[8;24H" " / / \\ | / \\--15 \\-\\"
"\033[9;24H" " 8--/ \\ |/153 \\ -\\"
"\033[10;24H" " | 154\\| | |"
"\033[11;24H" " | |\\156 | |"
"\033[12;24H" " 9--\\ 155/| \\ / /-/"
"\033[13;24H" " \\ \\ / | \\ /--14 /"
"\033[14;24H" " \\ \\-----------10--------13--------- / /4-------"
"\033[15;24H" " \\----------------------------------11--12---------";
assert(STR_MAX_LEN > strlen(trackA));
assert(STR_MAX_LEN > strlen(trackB));
String s;
sinit(&s);
sputstr(&s, VT_CURSOR_SAVE);
vt_pos(&s, VT_TRACK_GRAPH_ROW, VT_TRACK_GRAPH_COL);
sputstr(&s, VT_RESET);
sputstr(&s, track == 'a' ? trackA : trackB);
sputstr(&s, VT_RESET);
sputstr(&s, VT_CURSOR_RESTORE);
PutString(COM2, &s);
}
static void turnoutServer(void) {
const char *rows[] = {
"+--------+--------+--------+",
"| 1: # | 2: # | 3: # |",
"| 4: # | 5: # | 6: # |",
"| 7: # | 8: # | 9: # |",
"| 10: # | 11: # | 12: # |",
"| 13: # | 14: # | 15: # |",
"| 16: # | 17: # | 18: # |",
"+--------+--------+--------+--------+",
"| 153: # | 154: # | 155: # | 156: # |",
"+--------+--------+--------+--------+"
};
struct String s;
for (unsigned int i = 0; i < sizeof(rows) / sizeof(rows[0]); i++) {
sinit(&s);
sputstr(&s, CURSOR_SAVE);
vtPos(&s, SWITCH_ROW + i, 1);
sputstr(&s, rows[i]);
sputstr(&s, CURSOR_RESTORE);
mioPrint(&s);
}
// set to all zeros (straight) so curve commands actually get sent
TurnoutTable turnout_state = 0;
for (int i = 1; i <= 18; ++i) {
turnoutCmd(i, CURVE, &turnout_state);
}
for (int i = 153; i <= 156; ++i) {
turnoutCmd(i, CURVE, &turnout_state);
}
bool quit = false;
int tid;
struct TurnoutMessage request;
while (!quit) {
int len = Receive(&tid, (char *) &request, sizeof(struct TurnoutMessage));
assert(len == sizeof(struct TurnoutMessage));
switch (request.cmd) {
case CMD_TURNOUT_STRAIGHT:
turnoutCmd(request.address, STRAIGHT, &turnout_state);
break;
case CMD_TURNOUT_CURVE:
turnoutCmd(request.address, CURVE, &turnout_state);
break;
case CMD_TURNOUT_QUERY:
// already responded
break;
case CMD_TURNOUT_QUIT:
quit = true;
break;
}
Reply(tid, (char *) &turnout_state, sizeof(int));
}
Exit();
}