FreeCalypso > hg > freecalypso-sw
view lcdemu/main.c @ 992:a7b0b426f9ca
target-utils: boot ROM UART autodetection revamped
The new implementation should work with both the familiar Calypso C035
boot ROM version found in our regular targets as well as the older
Calypso F741979B version found on the vintage D-Sample board.
author | Mychaela Falconia <falcon@ivan.Harhan.ORG> |
---|---|
date | Wed, 30 Dec 2015 21:28:41 +0000 |
parents | 69623c4cbf6c |
children |
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/* * LCDemu main module */ #include <sys/types.h> #include <sys/errno.h> #include <stdio.h> #include <stdlib.h> #include <string.h> #include <strings.h> #include <X11/Xlib.h> #include <X11/Xresource.h> #include <X11/Xutil.h> #include "globals.h" main(argc, argv) char **argv; { XrmInitialize(); process_cmdline(argc, argv); open_display(); init_image_conversion(); load_resources(); create_our_window(); set_initial_window_title(); set_initial_icon_name(); create_mainwin_gc(); XMapWindow(mydisplay, mainwindow); XFlush(mydisplay); mainloop(); /* NOTREACHED */ } process_cmdline(argc, argv) char **argv; { register char **ap, *opt; char *rhost, *ruser; int len; if (argc < 1) { fprintf(stderr, "fc-lcdemu: invalid invokation\n"); exit(1); } opt = rindex(argv[0], '/'); if (opt) progbasename = opt + 1; else progbasename = argv[0]; proginstancename = progbasename; for (ap = argv+1; *ap; ) { if (**ap == '-') opt = *ap++; else break; if (!strcmp(opt, "-display")) { if (!*ap) { argreq: fprintf(stderr, "%s: %s requires an argument\n", progbasename, opt); exit(1); } mydisplayname = *ap++; continue; } if (!strcmp(opt, "-name")) { if (!*ap) goto argreq; proginstancename = *ap++; continue; } if (!strcmp(opt, "-geometry") || !strcmp(opt, "-geom")) { if (!*ap) goto argreq; XrmPutStringResource(&xrmdb_cmdline, "LCDemu.geometry", *ap++); continue; } if (!strcmp(opt, "-iconic")) { XrmPutStringResource(&xrmdb_cmdline, "LCDemu.iconic", "on"); continue; } if (!strcmp(opt, "-title")) { if (!*ap) goto argreq; XrmPutStringResource(&xrmdb_cmdline, "LCDemu.title", *ap++); continue; } if (!strcmp(opt, "-borderwidth") || !strcmp(opt, "-bw")) { if (!*ap) goto argreq; XrmPutStringResource(&xrmdb_cmdline, "*borderWidth", *ap++); continue; } if (!strcmp(opt, "-bordercolor") || !strcmp(opt, "-bd")) { if (!*ap) goto argreq; XrmPutStringResource(&xrmdb_cmdline, "*borderColor", *ap++); continue; } if (!strcmp(opt, "-xrm")) { if (!*ap) goto argreq; XrmPutLineResource(&xrmdb_cmdline, *ap++); continue; } fprintf(stderr, "%s: %s: unrecognized option\n", progbasename, opt); exit(1); } } open_display() { if (!mydisplayname) mydisplayname = getenv("DISPLAY"); if (!mydisplayname) { fprintf(stderr, "%s: no X display available\n", progbasename); exit(1); } mydisplay = XOpenDisplay(mydisplayname); if (!mydisplay) { fprintf(stderr, "%s: unable to open display %s\n", progbasename, mydisplayname); exit(1); } } mainloop() { register int i, cc; XEvent event; fd_set readfds; int maxfd; char buf[1024]; maxfd = ConnectionNumber(mydisplay) + 1; for (;;) { cc = XPending(mydisplay); for (i = 0; i < cc; i++) XNextEvent(mydisplay, &event); XFlush(mydisplay); FD_ZERO(&readfds); FD_SET(0, &readfds); FD_SET(ConnectionNumber(mydisplay), &readfds); i = select(maxfd, &readfds, NULL, NULL, NULL); if (i < 0) { if (errno == EINTR) continue; perror("select"); exit(1); } if (FD_ISSET(0, &readfds)) { cc = read(0, buf, sizeof buf); if (cc > 0) input_on_stdin(buf, cc); else exit(0); XFlush(mydisplay); } } }