/* ** alarming_clock -- by Brian Neal 6/24/89 ** ** A simple clock program whoose alarm packs a punch! Be sure to ** crank up the stereo for this one. Illustrates the use of the ** timer and digitized sound playback. ** Compiled with Manx Aztec C v3.6 ** cc -n alarming_clock ** ln -g alarming_clock isup -lc */ #include #include #include #include #include #include /* useful macros */ #define CHAR_WIDTH (font -> tf_XSize) #define CHAR_HEIGHT (font -> tf_YSize) #define WIN_WIDTH 200 /* window constants */ #define WIN_HEIGHT 60 #define BUTT_WIDTH 50 /* gadget constants */ #define BUTT_HEIGHT 14 #define TEST 1 /* GadgetIDs */ #define ALARM 2 #define UP 3 #define DOWN 4 #define HRS_TEN 5 #define HRS_ONE 6 #define MIN_TEN 7 #define MIN_ONE 8 #define ARROW_WIDTH 16 /* arrow dimensions */ #define ARROW_HEIGHT 8 #define MAPRIGHT 0x00000006 /* masks for channel allocation */ #define MAPLEFT 0x00000009 #define SCREAM_PERIOD 400 #define SCREAM_LENGTH 12536 /* length (in bytes) of data file */ /* used CLI's List to get this */ #define POW_PERIOD 475 #define POW_LENGTH 23632 #define CLOCK_LEFT ((WIN_WIDTH - (5 * CHAR_WIDTH)) / 2) #define CLOCK_TOP 12 #define ALARM_LEFT CLOCK_LEFT #define ALARM_TOP 24 extern BOOL open_libraries(); extern struct Window *make_window(); extern void init_itext(), *copy_chip(); void shut_down(), init_sounds(), shut_down_audio(), display_time(), shut_down_timer(), send_time_request(), init_arrow(), init_image(), set_up_display(), sound_alarm(), display_alarm(), turn_off_alarm(), init_digit(), adjust_alarm(); UBYTE init_audio(); BOOL read_data(), init_timer(), set_up_window(), time_to_sound(), set_up_gadgets(); struct IntuiText test_text, alarm_text, clock_face, alarm_face; struct Gadget arrow[2]; struct Gadget digit[4]; struct Image arrow_image[2]; #define ARROW_BYTES 16 USHORT up_image[] = { 0x0000, 0x0180, 0x03c0, 0x07e0, 0x0ff0, 0x1ff8, 0x7ffe, 0x0000 }; USHORT down_image[] = { 0x0000, 0x7ffe, 0x1ff8, 0x0ff0, 0x07e0, 0x03c0, 0x0180, 0x0000 }; SHORT points[] = { -1, -1, BUTT_WIDTH, -1, BUTT_WIDTH, BUTT_HEIGHT, -1, BUTT_HEIGHT, -1, -1 }; struct Border butt_border = { 0, 0, /* LeftEdge, TopEdge */ 3, 0, /* FrontPen, BackPen */ JAM1, /* DrawMode */ 5, /* Count */ &points[0], /* XY */ NULL }; /* NextBorder */ struct Gadget test_button = { NULL, /* NextGadget */ 20, -(BUTT_HEIGHT + 5), /* LeftEdge, TopEdge */ BUTT_WIDTH, BUTT_HEIGHT, /* Width, Height */ GADGHCOMP | GRELBOTTOM, /* Flags */ GADGIMMEDIATE | RELVERIFY, /* Activation */ BOOLGADGET, /* GadgetType */ (APTR) &butt_border, /* GadgetRender */ NULL, /* SelectRender */ &test_text, /* GadgetText */ 0L, /* MutualExclude */ NULL, /* SpecialInfo */ TEST, /* GadgetID */ NULL }; /* UserData */ struct Gadget alarm_button = { &test_button, -(BUTT_WIDTH + 20), -(BUTT_HEIGHT + 5), BUTT_WIDTH, BUTT_HEIGHT, GADGHCOMP | GRELRIGHT | GRELBOTTOM, GADGIMMEDIATE | TOGGLESELECT, BOOLGADGET, (APTR) &butt_border, NULL, &alarm_text, 0L, NULL, ALARM, NULL }; /* We are going to use topaz.font 80 */ struct TextAttr our_font = { (STRPTR) "topaz.font", /* ta_Name */ 8, /* ta_YSize */ FS_NORMAL, /* ta_Style */ FPB_ROMFONT }; /* ta_Flags */ struct my_time /* hours in range of 0..24, minutes in 0..59 */ { UBYTE hours, minutes; }; struct IntuitionBase *IntuitionBase = NULL; struct GfxBase *GfxBase = NULL; struct TextFont *font = NULL; void main() { struct Window *win = NULL; struct IntuiMessage *msg; struct IOAudio scream, pow; UBYTE channel_mask; UBYTE *scream_data = NULL, *pow_data = NULL; struct timerequest time_req; struct my_time current, alarm; struct Gadget *gad; ULONG class; USHORT active_digit; BOOL alarm_set, gad_images = FALSE; if (!(open_libraries(33L, 33L))) shut_down(10, win, scream_data, pow_data, gad_images); if (!(font = (struct TextFont *) OpenFont(&our_font))) shut_down(20, win, scream_data, pow_data, gad_images); if (!(read_data(&scream_data, &pow_data))) shut_down(30, win, scream_data, pow_data, gad_images); if (!(gad_images = set_up_gadgets())) shut_down(40, win, scream_data, pow_data, gad_images); if (!set_up_window(&win)) shut_down(50, win, scream_data, pow_data, gad_images); if ((channel_mask = init_audio(&scream)) == 0) shut_down(60, win, scream_data, pow_data, gad_images); init_sounds(&scream, &pow, channel_mask, scream_data, pow_data); if (!(init_timer(&time_req))) { shut_down_audio(&scream, channel_mask); shut_down(70, win, scream_data, pow_data, gad_images); } set_up_display(win, &clock_face, &alarm_face); /* Give us a boost in priority */ SetTaskPri(FindTask(NULL), 20L); alarm_set = FALSE; active_digit = MIN_ONE; alarm.hours = 0; alarm.minutes = 0; display_time(win, &clock_face, ¤t); display_alarm(win, &alarm_face, alarm); send_time_request(&time_req); FOREVER { /* * if our time request is back, update clock and restart the * timer. If alarm is set, and it is that magic time, sound * the alarm. */ if (GetMsg(time_req.tr_node.io_Message.mn_ReplyPort)) { display_time(win, &clock_face, ¤t); send_time_request(&time_req); if ((time_to_sound(current, alarm)) && alarm_set) sound_alarm(win, &scream, &pow); } /* Wait on timer and input from user via window */ Wait(1L << win -> UserPort -> mp_SigBit | 1L << time_req.tr_node.io_Message.mn_ReplyPort -> mp_SigBit); while (msg = (struct IntuiMessage *) GetMsg(win -> UserPort)) { class = msg -> Class; gad = (struct Gadget *) msg -> IAddress; ReplyMsg(msg); switch (class) { case CLOSEWINDOW: shut_down_timer(&time_req); shut_down_audio(&scream, channel_mask); shut_down(0, win, scream_data, pow_data, gad_images); break; case GADGETUP: /* has no meaning; set in gadgets */ break; /* only to let user see GADGHCOMP */ case GADGETDOWN: switch(gad -> GadgetID) { case ALARM: if (alarm_set) { turn_off_alarm(&alarm_button, win); alarm_set = FALSE; } else alarm_set = TRUE; break; case TEST: sound_alarm(win, &scream, &pow); break; case UP: case DOWN: adjust_alarm(&alarm, active_digit, gad -> GadgetID); display_alarm(win, &alarm_face, alarm); break; case HRS_TEN: case HRS_ONE: case MIN_TEN: case MIN_ONE: active_digit = gad -> GadgetID; break; } break; default: break; } /* switch */ } /* while */ } /* for(;;) */ } /* main */ /* ** shut_down() ** Frees up everything but audio and timer related activiy. **/ void shut_down(code, win, scream, pow, gad_images) WORD code; struct Window *win; UBYTE *scream, *pow; BOOL gad_images; { struct IntuiMessage *msg; if (gad_images) { FreeMem(arrow_image[0].ImageData, (ULONG) ARROW_BYTES); FreeMem(arrow_image[1].ImageData, (ULONG) ARROW_BYTES); } if (pow) FreeMem(pow, (ULONG) POW_LENGTH); if (scream) FreeMem(scream, (ULONG) SCREAM_LENGTH); if (win) { while(msg = (struct IntuiMessage *) GetMsg(win -> UserPort)) ReplyMsg(msg); CloseWindow(win); } if (font) CloseFont(font); if (GfxBase) CloseLibrary(GfxBase); if (IntuitionBase) CloseLibrary(IntuitionBase); Exit((LONG) code); } /* ** shut_down_audio() ** Cleans up after using audio.device. */ void shut_down_audio(scream, channels_used) struct IOAudio *scream; UBYTE channels_used; { scream -> ioa_Request.io_Unit = (struct Unit *) channels_used; CloseDevice(scream); DeletePort(scream -> ioa_Request.io_Message.mn_ReplyPort); /* remember, pow and scream shared the same reply port */ } /* ** init_audio() ** Opens audio device and allocates a stereo pair of channels. ** Returns a mask of channels allocated, or 0 if error. */ UBYTE init_audio(iob) struct IOAudio *iob; { UBYTE channel_map[4]; LONG error; ULONG mask; channel_map[0] = 0x03; /* channels 0 and 1 */ channel_map[1] = 0x05; /* channels 0 and 2 */ channel_map[2] = 0x0a; /* channels 3 and 1 */ channel_map[3] = 0x0c; /* channels 3 and 2 */ /* Get a reply port so the audio device can communicate with us */ if ((iob -> ioa_Request.io_Message.mn_ReplyPort = CreatePort("ac", 0L)) == NULL) return (0); /* We are now going to be pigs and set our priority to the max. If * successful, we hold exclusive access to our stereo pair of channels. * Why don't we just set our priority lower, allocate channels, and then * lock them? Because we don't intend to give up our access until * we quit. */ iob -> ioa_Request.io_Message.mn_Node.ln_Pri = ADALLOC_MAXPREC; iob -> ioa_Data = &channel_map[0]; iob -> ioa_Length = 4L; error = OpenDevice(AUDIONAME, 0L, iob, 0L); if (error == 0) { mask = (ULONG) iob -> ioa_Request.io_Unit; return ((UBYTE) mask); } else { DeletePort(iob -> ioa_Request.io_Message.mn_ReplyPort); return (0); } } /* ** init_sounds() ** Initializes our IOAudio request blocks for sounding ** once. Attaches waveform data. */ void init_sounds(scream, pow, channel_mask, scream_data, pow_data) struct IOAudio *scream, *pow; UBYTE channel_mask; UBYTE *scream_data, *pow_data; { scream -> ioa_Request.io_Unit = (struct Unit *) ((ULONG) channel_mask & MAPRIGHT); scream -> ioa_Request.io_Command = CMD_WRITE; scream -> ioa_Request.io_Flags = IOF_QUICK | ADIOF_PERVOL; scream -> ioa_Data = scream_data; scream -> ioa_Cycles = 1; scream -> ioa_Period = SCREAM_PERIOD; scream -> ioa_Length = (ULONG) SCREAM_LENGTH; scream -> ioa_Volume = 64; /* copy keys, ports, and above stuff */ *pow = *scream; /* Now, more specifically... */ pow -> ioa_Request.io_Unit = (struct Unit *) ((ULONG) channel_mask & MAPLEFT); pow -> ioa_Data = pow_data; pow -> ioa_Period = POW_PERIOD; pow -> ioa_Length = (ULONG) POW_LENGTH; } /* ** read_data() ** Read in digitized sound files, placing them into ** Chip memory. Note that the files are IFF, but treated as ** raw data. 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