clock.c

编译后直接运行的ＭＰ３播放器全部Ｃ语言源代码 一个包含FAT文件系统、系统引导 Boot、FLASH Driver等内容的

                        case BUTTON_OFF:
                            used = true;
                            break;

                        case SYS_USB_CONNECTED:
                            return PLUGIN_USB_CONNECTED;
                            rb->usb_screen();
                            break;
                    }
                }
                break;

                /* options screen */
            case BUTTON_F3:
                while (!exit)
                {
                    if(settings.analog_clock)
                    {
                        rb->lcd_clear_display();
                        rb->lcd_putsxy(7, 0,  "FF  > Show Time");
                        rb->lcd_putsxy(7, 10, "DOWN> Show Frame");
                        rb->lcd_putsxy(7, 20, "UP  > Show Date");
                        rb->lcd_putsxy(7, 30, "REW > Show Digits");

                        rb->lcd_putsxy(15, 46, "OFF > All OFF");
                        rb->lcd_putsxy(17, 56, "ON  > All ON");

                        rb->lcd_drawline(0, 41, 112, 41);

                        /* draw checkmarks */
                        if(settings.is_time_displayed)
                        {
                            rb->lcd_drawline(0, 4, 3, 7);
                            rb->lcd_drawline(3, 7, 5, 0);
                        }
                        if(settings.is_rect_displayed)
                        {
                            rb->lcd_drawline(0, 14, 3, 17);
                            rb->lcd_drawline(3, 17, 5, 10);
                        }
                        if(settings.is_date_displayed)
                        {
                            rb->lcd_drawline(0, 24, 3, 27);
                            rb->lcd_drawline(3, 27, 5, 20);
                        }
                        if(settings.are_digits_displayed)
                        {
                            rb->lcd_drawline(0, 34, 3, 37);
                            rb->lcd_drawline(3, 37, 5, 30);
                        }

                    	/* update the LCD after all this madness */
                    	rb->lcd_update();

                        /* ... and finally, setting options from screen: */
                        switch (rb->button_get(true))
                        {
                    	    case BUTTON_F3 | BUTTON_REL:
                    	        if (used)
                    	            exit = true;
                    	        used = true;
                    	        break;

                            case BUTTON_RIGHT:
                                settings.is_time_displayed =
                                    !settings.is_time_displayed;
                                break;

                            case BUTTON_DOWN:
                                settings.is_rect_displayed =
                                    !settings.is_rect_displayed;
                                break;

                            case BUTTON_UP:
                                settings.is_date_displayed =
                                    !settings.is_date_displayed;
                                break;

                            case BUTTON_LEFT:
                                settings.are_digits_displayed =
                                    !settings.are_digits_displayed;
                                break;

                            case BUTTON_ON:
                                settings.is_time_displayed = true;
                                settings.is_rect_displayed = true;
                                settings.is_date_displayed = true;
                                settings.are_digits_displayed = true;
                                break;

                            case BUTTON_OFF:
                                settings.is_time_displayed = false;
                                settings.is_rect_displayed = false;
                                settings.is_date_displayed = false;
                                settings.are_digits_displayed = false;
                                break;

                            case SYS_USB_CONNECTED:
                                return PLUGIN_USB_CONNECTED;
                                rb->usb_screen();
                                break;
                        }
                    }
                    else /* 7-Segment clock shown, less options */
                    {
                        rb->lcd_clear_display();
                        rb->lcd_putsxy(7, 0,  "DOWN> Show Frame");
                        rb->lcd_putsxy(7, 10, "UP  > Show Date");
                        rb->lcd_putsxy(7, 20, "FF  > Seconds");
                        rb->lcd_putsxy(15, 46, "OFF > All OFF");
                        rb->lcd_putsxy(17, 56, "ON  > All ON");
                        rb->lcd_drawline(0, 41, 112, 41);

                        /* draw checkmarks */
                        if(settings.is_rect_displayed)
                        {
                            rb->lcd_drawline(0, 4, 3, 7);
                            rb->lcd_drawline(3, 7, 5, 0);
                        }
                        if(settings.is_date_displayed)
                        {
                            rb->lcd_drawline(0, 14, 3, 17);
                            rb->lcd_drawline(3, 17, 5, 10);
                        }
                        if(settings.is_time_displayed)
                        {
                            rb->lcd_drawline(0, 24, 3, 27);
                            rb->lcd_drawline(3, 27, 5, 20);
                        }

                        /* And finally, update the LCD */
                        rb->lcd_update();

                        switch (rb->button_get(true))
                        {
                    	    case BUTTON_F3 | BUTTON_REL:
                    	        if (used)
                    	            exit = true;
                    	        used = true;
                    	        break;

                            case BUTTON_DOWN:
                                settings.is_rect_displayed =
                                    !settings.is_rect_displayed;
                                break;

                            case BUTTON_UP:
                                settings.is_date_displayed =
                                    !settings.is_date_displayed;
                                break;

                            case BUTTON_RIGHT:
                                settings.is_time_displayed =
                                    !settings.is_time_displayed;
                                break;

                            case BUTTON_ON:
                                settings.is_time_displayed = true;
                                settings.is_rect_displayed = true;
                                settings.is_date_displayed = true;
                                break;

                            case BUTTON_OFF:
                                settings.is_time_displayed = false;
                                settings.is_rect_displayed = false;
                                settings.is_date_displayed = false;
                                break;

                            case SYS_USB_CONNECTED:
                                return PLUGIN_USB_CONNECTED;
                                rb->usb_screen();
                                break;
                        }
                    }
                }
                break;

                /* Toggle analog/digital */
            case BUTTON_PLAY:
                settings.analog_clock = !settings.analog_clock;
                break;

                /* Show time */
            case BUTTON_RIGHT:
                settings.is_time_displayed = !settings.is_time_displayed;
                break;

                /* Show border */
            case BUTTON_DOWN:
                settings.is_rect_displayed = !settings.is_rect_displayed ;
                break;

                /* Show date */
            case BUTTON_UP:
                settings.is_date_displayed = !settings.is_date_displayed;
                break;

                /* Show digits */
            case BUTTON_LEFT:
                settings.are_digits_displayed = !settings.are_digits_displayed;
                break;

                /* USB plugged? */
            case SYS_USB_CONNECTED:
                rb->usb_screen();
                return PLUGIN_USB_CONNECTED;
                break;
        }
    }
}

/* 7 Segment LED imitation code by Linus Nielsen Feltzing */

/*
       a     0     b
        #########
       #         #
       #         #
      1#         #2
       #         #
       #    3    #
      c ######### d
       #         #
       #         #
      4#         #5
       #         #
       #    6    #
      e ######### f
*/

/* The coordinates of each end point (a-f) of the segment lines (0-6) */
static unsigned int point_coords[6][2] =
{
    {0, 0}, /* a */
    {1, 0}, /* b */
    {0, 1}, /* c */
    {1, 1}, /* d */
    {0, 2}, /* e */
    {1, 2}  /* f */
};

/* The end points (a-f) for each segment line */
static unsigned int seg_points[7][2] =
{
    {0,1}, /* a to b */
    {0,2}, /* a to c */
    {1,3}, /* b to d */
    {2,3}, /* c to d */
    {2,4}, /* c to e */
    {3,5}, /* d to f */
    {4,5}  /* e to f */
};

/* Lists that tell which segments (0-6) to enable for each digit (0-9),
   the list is terminated with -1 */
static int digit_segs[10][8] =
{
    {0,1,2,4,5,6, -1},   /* 0 */
    {2,5, -1},           /* 1 */
    {0,2,3,4,6, -1},     /* 2 */
    {0,2,3,5,6, -1},     /* 3 */
    {1,2,3,5, -1},       /* 4 */
    {0,1,3,5,6, -1},     /* 5 */
    {0,1,3,4,5,6, -1},   /* 6 */
    {0,2,5, -1},         /* 7 */
    {0,1,2,3,4,5,6, -1}, /* 8 */
    {0,1,2,3,5,6, -1}    /* 9 */
};

/* Draws one segment */
void draw_seg(int seg, int x, int y, int width, int height)
{
    int p1 = seg_points[seg][0];
    int p2 = seg_points[seg][1];
    int x1 = point_coords[p1][0];
    int y1 = point_coords[p1][1];
    int x2 = point_coords[p2][0];
    int y2 = point_coords[p2][1];

    /* It draws parallel lines of different lengths for thicker segments */
    if(seg == 0 || seg == 3 || seg == 6)
    {
        rb->lcd_drawline(x + x1 * width + 1, y + y1 * height / 2,
                         x + x2 * width - 1 , y + y2 * height / 2);

        rb->lcd_drawline(x + x1 * width + 2, y + y1 * height / 2 - 1,
                         x + x2 * width - 2, y + y2 * height / 2 - 1);
        rb->lcd_drawline(x + x1 * width + 2, y + y1 * height / 2 + 1,
                         x + x2 * width - 2, y + y2 * height / 2 + 1);

        rb->lcd_drawline(x + x1 * width + 3, y + y1 * height / 2 - 2,
                         x + x2 * width - 3, y + y2 * height / 2 - 2);
        rb->lcd_drawline(x + x1 * width + 3, y + y1 * height / 2 + 2,
                         x + x2 * width - 3, y + y2 * height / 2 + 2);
    }
    else
    {
        rb->lcd_drawline(x + x1 * width, y + y1 * height / 2 + 1,
                         x + x2 * width , y + y2 * height / 2 - 1);

        rb->lcd_drawline(x + x1 * width - 1, y + y1 * height / 2 + 2,
                         x + x2 * width - 1, y + y2 * height / 2 - 2);
        rb->lcd_drawline(x + x1 * width + 1, y + y1 * height / 2 + 2,
                         x + x2 * width + 1, y + y2 * height / 2 - 2);

        rb->lcd_drawline(x + x1 * width - 2, y + y1 * height / 2 + 3,
                         x + x2 * width - 2, y + y2 * height / 2 - 3);
        
        rb->lcd_drawline(x + x1 * width + 2, y + y1 * height / 2 + 3,
                         x + x2 * width + 2, y + y2 * height / 2 - 3);
    }
}

/* Draws one digit */
void draw_7seg_digit(int digit, int x, int y, int width, int height)
{
    int i;
    int c;

    for(i = 0;digit_segs[digit][i] >= 0;i++)
    {
        c = digit_segs[digit][i];

        draw_seg(c, x, y, width, height);
    }
}

/* Draws the entire 7-segment hour-minute time display */
void draw_7seg_time(int hour, int minute, int x, int y, int width, int height,
bool colon)
{
    int xpos = x;

    draw_7seg_digit(hour / 10, xpos, y, width, height);
    xpos += width + 6;
    draw_7seg_digit(hour % 10, xpos, y, width, height);
    xpos += width + 6;

    if(colon)
    {
        rb->lcd_drawline(xpos, y + height/3 + 2,
                         xpos, y + height/3 + 2);
        rb->lcd_drawline(xpos+1, y + height/3 + 1,
                         xpos+1, y + height/3 + 3);
        rb->lcd_drawline(xpos+2, y + height/3,
                         xpos+2, y + height/3 + 4);
        rb->lcd_drawline(xpos+3, y + height/3 + 1,
                         xpos+3, y + height/3 + 3);
        rb->lcd_drawline(xpos+4, y + height/3 + 2,
                         xpos+4, y + height/3 + 2);

        rb->lcd_drawline(xpos, y + height-height/3 + 2,
                         xpos, y + height-height/3 + 2);
        rb->lcd_drawline(xpos+1, y + height-height/3 + 1,
                         xpos+1, y + height-height/3 + 3);
        rb->lcd_drawline(xpos+2, y + height-height/3,
                         xpos+2, y + height-height/3 + 4);
        rb->lcd_drawline(xpos+3, y + height-height/3 + 1,
                         xpos+3, y + height-height/3 + 3);
        rb->lcd_drawline(xpos+4, y + height-height/3 + 2,
                         xpos+4, y + height-height/3 + 2);
    }

    xpos += 12;

    draw_7seg_digit(minute / 10, xpos, y, width, height);
    xpos += width + 6;
    draw_7seg_digit(minute % 10, xpos, y, width, height);
    xpos += width + 6;
}

#endif