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[/] [s6soc/] [trunk/] [sw/] [zipos/] [doorbell.c] - Diff between revs 44 and 45

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Line 51... Line 51...
#include "taskp.h"
#include "taskp.h"
#include "syspipe.h"
#include "syspipe.h"
#include "ktraps.h"
#include "ktraps.h"
#include "errno.h"
#include "errno.h"
#include "swint.h"
#include "swint.h"
 
#include "txfns.h"
 
 
#include "../dev/display.h"
#include "../dev/display.h"
#include "../dev/rtcsim.h"
#include "../dev/rtcsim.h"
#include "../dev/keypad.h"
#include "../dev/keypad.h"
 
 
 
typedef unsigned        size_t;
 
 
 
size_t  strlen(const char *);
 
char *strcat(char *, const char *);
 
char *strcpy(char *, const char *);
 
 
/* Our system will need some pipes to handle ... life.  How about these:
/* Our system will need some pipes to handle ... life.  How about these:
 *
 *
 *      rxpipe  - read()s from this pipe read from the UART
 *      rxpipe  - read()s from this pipe read from the UART
 *                      Interrupt fed
 *                      Interrupt fed
 *      txpipe  - write()s to this pipe write to the UART
 *      txpipe  - write()s to this pipe write to the UART
Line 138... Line 145...
/*
/*
 * Wait for a button press, and then based upon the clock set a light
 * Wait for a button press, and then based upon the clock set a light
 */
 */
#define DOORBELL_TASK   doorbell_task_id
#define DOORBELL_TASK   doorbell_task_id
 
 
 
 
 
/*
 
 * Just print Hello World every 15 seconds or so.  This is really a test of the
 
 * write() and txpipe infrastructure, but not really a valid part of the task.
 
 *
 
 */
 
// #define      HELLO_TASK      hello_task_id
 
 
#define LAST_TASK       last_task_id
#define LAST_TASK       last_task_id
 
 
typedef enum    {
typedef enum    {
#ifdef  RTCCLOCK_TASK
#ifdef  RTCCLOCK_TASK
        RTCCLOCK_TASK,
        RTCCLOCK_TASK,
Line 155... Line 170...
        //KEYPAD_TASK,
        //KEYPAD_TASK,
//#endif
//#endif
#ifdef  MENU_TASK
#ifdef  MENU_TASK
        MENU_TASK,
        MENU_TASK,
#endif
#endif
#ifdef  COMMAND_TASK
#ifdef  HELLO_TASK
        COMMAND_TASK,
        HELLO_TASK,
#endif
#endif
        LAST_TASK
        LAST_TASK
} TASKNAME;
} TASKNAME;
 
 
 
 
void    rtctask(void),
void    rtctask(void),
        doorbell_task(void),
        doorbell_task(void),
        display_task(void),
        display_task(void),
        keypad_task(void),
        keypad_task(void),
        menu_task(void);
        menu_task(void),
 
        hello_task(void);
        // idle_task ... is accomplished within the kernel
        // idle_task ... is accomplished within the kernel
extern  void    restore_context(int *), save_context(int *);
extern  void    restore_context(int *), save_context(int *);
extern  SYSPIPE *rxpipe, *txpipe, *pwmpipe, *lcdpipe;
extern  SYSPIPE *rxpipe, *txpipe, *pwmpipe, *lcdpipe;
SYSPIPE *midpipe;
SYSPIPE *midpipe;
extern  KDEVICE *pipedev;
extern  KDEVICE *pipedev;
 
 
int     kntasks(void) {
int     kntasks(void) {
        return LAST_TASK;
        return LAST_TASK;
} void  kinit(TASKP *tasklist) {
} void  kinit(TASKP *tasklist) {
#ifdef  RTCCLOCK_TASK
#ifdef  RTCCLOCK_TASK
        //
        // Stack = 36 (rtctask) + 4(rtcdatenext)
        tasklist[RTCCLOCK_TASK]    = new_task(16, rtctask);
        tasklist[RTCCLOCK_TASK]    = new_task(64, rtctask);
#endif
#endif
 
 
#ifdef  DOORBELL_TASK
#ifdef  DOORBELL_TASK
#ifdef  DISPLAY_TASK
#ifdef  DISPLAY_TASK
        // 13 + 10 +9(uwrite)+4(uarthex)+2(uartstr)+2(uartchr)
        // Stack = 36 + 36 (uread/write) + 24(memcpy) + 32(uarthex)+8(uartchr)
        tasklist[DOORBELL_TASK]    = new_task(96, doorbell_task);
        tasklist[DOORBELL_TASK]    = new_task(256, doorbell_task);
//      tasklist[DOORBELL_TASK]->fd[FILENO_STDOUT]= kopen((int)lcdpipe,pipedev);
//      tasklist[DOORBELL_TASK]->fd[FILENO_STDOUT]= kopen((int)lcdpipe,pipedev);
        tasklist[DOORBELL_TASK]->fd[FILENO_STDERR]= kopen((int)txpipe, pipedev);
        tasklist[DOORBELL_TASK]->fd[FILENO_STDERR]= kopen((int)txpipe, pipedev);
        tasklist[DOORBELL_TASK]->fd[FILENO_AUX] = kopen((int)pwmpipe,  pipedev);
        tasklist[DOORBELL_TASK]->fd[FILENO_AUX] = kopen((int)pwmpipe,  pipedev);
 
 
        //
        // Stack = 16 + 36(uread/write) + 24(memcpy)
        tasklist[DISPLAY_TASK] = new_task(32, display_task);
        tasklist[DISPLAY_TASK] = new_task(128, display_task);
        tasklist[DISPLAY_TASK]->fd[FILENO_STDIN] = kopen((int)lcdpipe,pipedev);
        tasklist[DISPLAY_TASK]->fd[FILENO_STDIN] = kopen((int)lcdpipe,pipedev);
#endif
#endif
#endif
#endif
 
 
 
 
#ifdef  KEYPAD_TASK
#ifdef  KEYPAD_TASK
        // Stack = 7 + 9(uwrite) + 2*4
        // Stack = 28 + 36(uwrite) + 24(memcpy)         = 88 bytes
        tasklist[KEYPAD_TASK] = new_task(32, keypad_task);
        tasklist[KEYPAD_TASK] = new_task(128, keypad_task);
        tasklist[KEYPAD_TASK]->fd[FILENO_STDOUT] = kopen((int)keypipe,pipedev);
        tasklist[KEYPAD_TASK]->fd[FILENO_STDOUT] = kopen((int)keypipe,pipedev);
#endif
#endif
#ifdef  MENU_TASK
#ifdef  MENU_TASK
        // Stack = 18 + 10(showbell/shownow) + 9(uwrite) + 2(menu_readkey)
        // Stack = 76   + 48(showbell/shownow)
        //              + 18 (time_menu/dawn_menu/dusk_menu)
        //              + 36(uwrite)
        tasklist[MENU_TASK] = new_task(72, menu_task);
        //              +  8(menu_readkey)
 
        //              + 24(memcpy)
 
        //              +100(time_menu/dawn_menu/dusk_menu)
 
        //
 
        tasklist[MENU_TASK] = new_task(512, menu_task);
        // tasklist[MENU_TASK]->fd[FILENO_STDIN] = kopen((int)keypipe,pipedev);
        // tasklist[MENU_TASK]->fd[FILENO_STDIN] = kopen((int)keypipe,pipedev);
        tasklist[MENU_TASK]->fd[FILENO_STDOUT]= kopen((int)lcdpipe,pipedev);
        tasklist[MENU_TASK]->fd[FILENO_STDOUT]= kopen((int)lcdpipe,pipedev);
        tasklist[MENU_TASK]->fd[FILENO_STDERR]= kopen((int)txpipe, pipedev);
        tasklist[MENU_TASK]->fd[FILENO_STDERR]= kopen((int)txpipe, pipedev);
#endif
#endif
 
 
 
#ifdef  HELLO_TASK
 
        tasklist[HELLO_TASK] = new_task(512, hello_task);
 
        tasklist[HELLO_TASK]->fd[FILENO_STDOUT]= kopen((int)txpipe,pipedev);
 
#endif
}
}
 
 
// #define      HALF_HOUR_S     1800    // Seconds per half hour
// #define      HALF_HOUR_S     1800    // Seconds per half hour
// #define      HALF_HOUR_S     180     // Seconds per three minutes--for test
// #define      HALF_HOUR_S     180     // Seconds per three minutes--for test
#define HALF_HOUR_S     30      // 3 Mins is to long, here's 3 seconds
#define HALF_HOUR_S     30      // 3 Mins is to long, here's 3 seconds
Line 221... Line 246...
unsigned        dawn = 0x060000, dusk = 0x180000;
unsigned        dawn = 0x060000, dusk = 0x180000;
#else
#else
const unsigned  dawn = 0x060000, dusk = 0x180000;
const unsigned  dawn = 0x060000, dusk = 0x180000;
#endif
#endif
 
 
void    shownow(unsigned now) { // Uses 10 stack slots + 8 for write()
const char      basemsg[]   = "\e[jTime: xx:xx:xx\e[1;0H ";
        char    dmsg[9];
const   char    nighttime[] = "Night time";
        dmsg[0] = PACK(0x1b,'[','j','T');
const   char    daylight[]  = "Daylight!";
        dmsg[1] = PACK('i','m','e',':');
const   char    dbellstr[]  = "Doorbell!";
        dmsg[2] = PACK(' ',((now>>20)&0x3)+'0',
void    shownow(unsigned now) {
                        ((now>>16)&0xf)+'0',':');
        char    dmsg[40];
        dmsg[3] = PACK( ((now>>12)&0xf)+'0',
        strcpy(dmsg, basemsg);
                        ((now>> 8)&0xf)+'0',
 
                        ':',
        dmsg[ 9] = ((now>>20)&0x0f)+'0';
                        ((now>> 4)&0xf)+'0');
        dmsg[10] = ((now>>16)&0x0f)+'0';
        dmsg[4] = PACK( ((now    )&0xf)+'0',
        //
                        0x1b, '[', '1');
        dmsg[12] = ((now>>12)&0x0f)+'0';
        dmsg[5] = PACK(';','0','H',' ');
        dmsg[13] = ((now>> 8)&0x0f)+'0';
 
        //
 
        dmsg[15] = ((now>> 4)&0x0f)+'0';
 
        dmsg[16] = ((now    )&0x0f)+'0';
 
 
        if ((now < dawn)||(now > dusk)) {
        if ((now < dawn)||(now > dusk)) {
                dmsg[6] = PACK('N','i','g','h');
                strcat(dmsg, nighttime);
                dmsg[7] = PACK('t',' ','t','i');
 
                dmsg[8] = PACK('m','e',0,0);
 
        } else {
        } else {
                dmsg[6] = PACK('D','a','y','l');
                strcat(dmsg, daylight);
                dmsg[7] = PACK('i','g','h','t');
        } write(FILENO_STDOUT, dmsg, strlen(dmsg));
                dmsg[8] = PACK('!',' ',0,0);
 
        } write(FILENO_STDOUT, dmsg, 9);
 
}
}
 
 
void    showbell(unsigned now) {        // Uses 10 stack slots + 8 for write()
void    showbell(unsigned now) {        // Uses 10 stack slots + 8 for write()
        char    dmsg[9];
        char    dmsg[40];
        dmsg[0] = PACK(0x1b,'[','j','T');
 
        dmsg[1] = PACK('i','m','e',':');
        strcpy(dmsg, basemsg);
        dmsg[2] = PACK(' ',((now>>20)&0x3)+'0',
 
                        ((now>>16)&0xf)+'0',':');
        dmsg[ 9] = ((now>>20)&0x0f)+'0';
        dmsg[3] = PACK( ((now>>12)&0xf)+'0',
        dmsg[10] = ((now>>16)&0x0f)+'0';
                        ((now>> 8)&0xf)+'0',
        //
                        ':',
        dmsg[12] = ((now>>12)&0x0f)+'0';
                        ((now>> 4)&0xf)+'0');
        dmsg[13] = ((now>> 8)&0x0f)+'0';
        dmsg[4] = PACK( ((now    )&0xf)+'0',
        //
                        0x1b, '[', '1');
        dmsg[15] = ((now>> 4)&0x0f)+'0';
        dmsg[5] = PACK(';','0','H',' ');
        dmsg[16] = ((now    )&0x0f)+'0';
        dmsg[6] = PACK('D','o','o','r');
 
        dmsg[7] = PACK('b','e','l','l');
        strcat(dmsg, dbellstr);
        dmsg[8] = PACK('!',' ',0,0);
        write(FILENO_STDOUT, dmsg, strlen(dmsg));
        write(FILENO_STDOUT, dmsg, 9);
 
}
}
 
 
void    uartchr(char v) {
void    uartchr(char v) {
        if (write(FILENO_STDERR, &v, 1) != 1)
        if (write(FILENO_STDERR, &v, 1) != 1)
                write(FILENO_STDERR, "APPLE-PANIC", 11);
                write(FILENO_STDERR, "APPLE-PANIC\r\n", 13);
}
}
 
 
void    uartstr(const char *str) {
void    uartstr(const char *str) {
        int     cnt=0;
        int     cnt;
        while(str[cnt])
        cnt = strlen(str);
                cnt++;
 
        if (cnt != write(FILENO_STDERR, str, cnt))
        if (cnt != write(FILENO_STDERR, str, cnt))
                write(FILENO_STDERR, "PIPE-PANIC", 10);
                write(FILENO_STDERR, "PIPE-PANIC\r\n", 12);
}
}
 
 
void    uarthex(int num) {
void    uarthex(int num) {
        for(int ds=28; ds>=0; ds-=4) {
        for(int ds=28; ds>=0; ds-=4) {
                int ch;
                int ch;
Line 293... Line 316...
 
 
#ifdef DOORBELL_TASK
#ifdef DOORBELL_TASK
#include "../dev/samples.c"
#include "../dev/samples.c"
 
 
void    belllight(unsigned now) {
void    belllight(unsigned now) {
        IOSPACE *sys = (IOSPACE *)IOADDR;
 
        if ((now < dawn)||(now > dusk))
        if ((now < dawn)||(now > dusk))
                sys->io_spio = 0x088; // Turn our light on
                _sys->io_spio = 0x088; // Turn our light on
        else
        else
                sys->io_spio = 0x80; // Turn light off
                _sys->io_spio = 0x80; // Turn light off
}
}
 
 
void    doorbell_task(void) {
void    doorbell_task(void) {
        // Controls LED 0x08
        // Controls LED 0x08
 
 
        // Start by initializing the display to GT Gisselquist\nTechnology
        // Start by initializing the display to GT Gisselquist\nTechnology
        // write(KFD_STDOUT, disp_build_backslash,sizeof(disp_build_backslash));
        // write(KFD_STDOUT, disp_build_backslash,sizeof(disp_build_backslash));
        // write(KFD_STDOUT, disp_build_gtlogo, sizeof(disp_build_gtlogo));
        // write(KFD_STDOUT, disp_build_gtlogo, sizeof(disp_build_gtlogo));
        // write(KFD_STDOUT, disp_reset_data, sizeof(disp_reset_data));
        // write(KFD_STDOUT, disp_reset_data, sizeof(disp_reset_data));
        // write(KFD_STDOUT, disp_gtech_data, sizeof(disp_gtech_data));
        // write(KFD_STDOUT, disp_gtech_data, sizeof(disp_gtech_data));
        IOSPACE *sys = (IOSPACE *)IOADDR;
 
 
 
        while(1) {
        while(1) {
                int     event;
                int     event;
                // Initial state: doorbell is not ringing.  In this state, we
                // Initial state: doorbell is not ringing.  In this state, we
                // can wait forever for an event
                // can wait forever for an event
                sys->io_spio = 0x080; // Turn our light off
                _sys->io_spio = 0x080; // Turn our light off
                event = wait(INT_BUTTON|SWINT_PPS,-1);
                event = wait(INT_BUTTON|SWINT_PPS,-1);
 
 
#ifndef MENU_TASK
#ifndef MENU_TASK
                unsigned when = rtcclock;
                unsigned when = rtcclock;
                if (event & INT_BUTTON)
                if (event & INT_BUTTON)
Line 338... Line 359...
                        // button was last pressed.
                        // button was last pressed.
                        int     seconds = 0;
                        int     seconds = 0;
 
 
                        // Check time: should we turn our light on or not?
                        // Check time: should we turn our light on or not?
                        belllight((volatile unsigned)rtcclock);
                        belllight((volatile unsigned)rtcclock);
                        const int *sptr = sound_data;
                        const short *sptr = sound_data;
                        // uartchr('N');
 
                        while(sptr < &sound_data[NSAMPLE_WORDS]) {
                        while(sptr < &sound_data[NSAMPLE_WORDS]) {
                                int     len = &sound_data[NSAMPLE_WORDS]-sptr;
                                int     len = &sound_data[NSAMPLE_WORDS]-sptr;
                                if (len > 256)
                                if (len > 512)
                                        len = 256;
                                        len = 512;
 
 
                                // We will stall here, if the audio FIFO is full
                                // We will stall here, if the audio FIFO is full
                                write(FILENO_AUX, sptr, len);
                                write(FILENO_AUX, sptr,
 
                                        sizeof(sound_data[0])*len);
                                sptr += len;
                                sptr += len;
 
 
                                // If the user presses the button more than
                                // If the user presses the button more than
                                // once, we start the sound over as well as
                                // once, we start the sound over as well as
                                // our light counter.
                                // our light counter.
Line 396... Line 417...
        }
        }
}
}
#endif
#endif
 
 
#ifdef  MENU_TASK
#ifdef  MENU_TASK
 
const char      menustr[] = "\e[1;0H     :    ";
 
 
void    entered_menu_str(char *str, unsigned now,int pos) {
void    entered_menu_str(char *str, unsigned now,int pos) {
        //
        //
        // Set current time
        // Set current time
        //   xx:xx:xx
        //   xx:xx:xx
        //
        //
        str[0] = PACK(0x1b, '[', '1',';');
        strcpy(str, menustr);
        str[1] = PACK('0','H',' ',' ');
 
        str[2] = PACK(' ','x','x',':');
 
        str[3] = PACK('x','x',' ',' ');
 
        //str[3]=PACK('x','x',':','x');
 
        str[4] = PACK(' ','\0','\0','\0');
 
 
 
        if (pos>0) {
        if (pos>0) {
                int ch = ((now >> 20)&0x0f)+'0';
                int ch = ((now >> 20)&0x0f)+'0';
                str[2] &= ~0x0ff0000;
                str[9] = ch;
                str[2] |= (ch<<16);
 
 
 
                if (pos > 1) {
                if (pos > 1) {
                        int ch = ((now >> 16)&0x0f)+'0';
                        ch = ((now >> 16)&0x0f)+'0';
                        str[2] &= ~0x0ff00;
                        str[10] = ch;
                        str[2] |= (ch<<8);
 
 
 
                if (pos > 2) {
                if (pos > 2) {
                        int ch = ((now >> 12)&0x0f)+'0';
                        ch = ((now >> 12)&0x0f)+'0';
                        str[3] &= ~0xff000000;
                        str[12] = ch;
                        str[3] |= (ch<<24);
 
 
 
                if (pos > 3) {
                if (pos > 3) {
                        int ch = ((now >> 8)&0x0f)+'0';
                        int ch = ((now >> 8)&0x0f)+'0';
                        str[3] &= ~0x0ff0000;
                        str[13] = ch;
                        str[3] |= (ch<<16);
 
 
 
                if (pos > 4) {
                if (pos > 4) {
                        int ch = ((now >> 4)&0x0f)+'0';
                        ch = ((now >> 4)&0x0f)+'0';
                        str[3] &= ~0x0ff00;
                        str[15] = ch;
                        str[3] |= ':'<<8;
                        str[14] = ':';
                        str[3] &= ~0x0ff;
 
                        str[3] |= (ch);
 
 
 
                        if (pos > 5)
                        if (pos > 5)
                                ch = (now&0x0f)+'0';
                                ch = (now&0x0f)+'0';
                        else
                        else
                                ch = 'x';
                                ch = 'x';
                        str[4] &= ~0x0ff000000;
                        str[16] = ch;
                        str[4] |= (ch<<24);
        }}}}} str[17] = '\0';
        }}}}}
 
}
}
 
 
 
const char      timmenu[] = "\e[jSet current time:";
 
 
void    show_time_menu(unsigned when, int posn) {
void    show_time_menu(unsigned when, int posn) {
        char    dmsg[10];
        char    dmsg[64];
        dmsg[0] = PACK(0x1b,'[','j','S');
        strcpy(dmsg, timmenu);
        dmsg[1] = PACK('e','t',' ','c');
        entered_menu_str(&dmsg[20], when, posn);
        dmsg[2] = PACK('u','r','r','e');
        write(FILENO_STDOUT, dmsg, strlen(dmsg));
        dmsg[3] = PACK('n','t',' ','t');
 
        dmsg[4] = PACK('i','m','e',':');
 
        entered_menu_str(&dmsg[5], when, posn);
 
        write(FILENO_STDOUT, dmsg, 9);
 
}
}
 
 
 
const char      dawnmenu[] = "\e[jSet sunrise: ";
void    show_dawn_menu(unsigned when, int posn) {
void    show_dawn_menu(unsigned when, int posn) {
        char    dmsg[10];
        char    dmsg[64];
        dmsg[0] = PACK(0x1b,'[','j','S');
        strcpy(dmsg, dawnmenu);
        dmsg[1] = PACK('e','t',' ','s');
        entered_menu_str(&dmsg[16], when, posn);
        dmsg[2] = PACK('u','n','r','i');
        write(FILENO_STDOUT, dmsg, strlen(dmsg));
        dmsg[3] = PACK('s','e',':','\0');
 
        entered_menu_str(&dmsg[4], when, posn);
 
        write(FILENO_STDOUT, dmsg, 8);
 
}
}
 
 
 
const char      duskmenu[] = "\e[;Set sunset: ";
void    show_dusk_menu(unsigned when, int posn) {
void    show_dusk_menu(unsigned when, int posn) {
        char    dmsg[10];
        char    dmsg[64];
        dmsg[0] = PACK(0x1b,'[','j','S');
        entered_menu_str(&dmsg[15], when, posn);
        dmsg[1] = PACK('e','t',' ','s');
        write(FILENO_STDOUT, dmsg, strlen(dmsg));
        dmsg[2] = PACK('u','n','s','e');
 
        dmsg[3] = PACK('t',':','\0','\0');
 
        entered_menu_str(&dmsg[4], when, posn);
 
        write(FILENO_STDOUT, dmsg, 8);
 
}
}
 
 
int     menu_readkey(void) {
int     menu_readkey(void) {
        int     key;
        int     key;
        wait(0,3);
        wait(0,3);
Line 603... Line 606...
                        }
                        }
                } while(0 == (event&INT_KEYPAD));
                } while(0 == (event&INT_KEYPAD));
        } dusk = newdusk;
        } dusk = newdusk;
}
}
 
 
 
const char      unknownstr[] = "\e[jUnknown Cmd Key\e[1;0HA/Tm B/Dwn C/Dsk";
void    unknown_menu(void) {
void    unknown_menu(void) {
        //      0123456789ABCDEF
        //      0123456789ABCDEF
        //      Unknown Cmd Key
        //      Unknown Cmd Key
        //      A/Tm B/Dwn C/Dsk
        //      A/Tm B/Dwn C/Dsk
        char    dmsg[11];
        write(FILENO_STDOUT, unknownstr, strlen(unknownstr));
        dmsg[0] = PACK(0x1b,'[','j','U');
 
        dmsg[1] = PACK('n','k','n','o');
 
        dmsg[2] = PACK('w','n',' ','C');
 
        dmsg[3] = PACK('m','d',' ','K');
 
        dmsg[4] = PACK('e','y','\0','\0');
 
        dmsg[5] = PACK(0x1b,'[','1',';');
 
        dmsg[6] = PACK('0','H','A','/');
 
        dmsg[7] = PACK('T','m',' ','B');
 
        dmsg[8] = PACK('/','D','w','n');
 
        dmsg[9] = PACK(' ','C','/','D');
 
        dmsg[10] = PACK('s','k',0,0);
 
        write(FILENO_STDOUT, dmsg, 11);
 
}
}
void    menu_task(void) {
void    menu_task(void) {
        // Controls LED 0x08
        // Controls LED 0x08
 
 
        // Start by initializing the display to GT Gisselquist\nTechnology
        // Start by initializing the display to GT Gisselquist\nTechnology
        // write(KFD_STDOUT, disp_build_backslash,sizeof(disp_build_backslash));
        // write(KFD_STDOUT, disp_build_backslash,sizeof(disp_build_backslash));
        // write(KFD_STDOUT, disp_build_gtlogo, sizeof(disp_build_gtlogo));
        // write(KFD_STDOUT, disp_build_gtlogo, sizeof(disp_build_gtlogo));
        // write(KFD_STDOUT, disp_reset_data, sizeof(disp_reset_data));
        // write(KFD_STDOUT, disp_reset_data, sizeof(disp_reset_data));
        // write(KFD_STDOUT, disp_gtech_data, sizeof(disp_gtech_data));
        // write(KFD_STDOUT, disp_gtech_data, sizeof(disp_gtech_data));
        // IOSPACE      *sys = (IOSPACE *)IOADDR;
 
        unsigned belltime = 0, when;
        unsigned belltime = 0, when;
 
 
 
 
        when = (volatile unsigned)rtcclock;
        when = (volatile unsigned)rtcclock;
        while(1) {
        while(1) {
                int     event;
                int     event;
                // Initial state: doorbell is not ringing.  In this state, we
                // Initial state: doorbell is not ringing.  In this state, we
                // can wait forever for an event
                // can wait forever for an event
Line 671... Line 661...
        }
        }
}
}
#endif
#endif
 
 
 
 
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#ifdef  HELLO_TASK
 
static const char *hello_string = "Hello, World!\r\n";
 
void    hello_task(void) {
 
        while(1) {
 
                for(int i=0; i<15; i++)
 
                        wait(SWINT_CLOCK, -1);
 
                write(FILENO_STDOUT, hello_string, strlen(hello_string));
 
        }
 
}
 
#endif
 
 
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