1 /***************************************************************************
3 * Open \______ \ ____ ____ | | _\_ |__ _______ ___
4 * Source | _// _ \_/ ___\| |/ /| __ \ / _ \ \/ /
5 * Jukebox | | ( <_> ) \___| < | \_\ ( <_> > < <
6 * Firmware |____|_ /\____/ \___ >__|_ \|___ /\____/__/\_ \
10 * Copyright (C) 2005 by Daniel Stenberg
12 * This program is free software; you can redistribute it and/or
13 * modify it under the terms of the GNU General Public License
14 * as published by the Free Software Foundation; either version 2
15 * of the License, or (at your option) any later version.
17 * This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
18 * KIND, either express or implied.
20 ****************************************************************************/
23 * logf() logs entries in a circular buffer. Each logged string is null-terminated.
25 * When the length of log exceeds MAX_LOGF_SIZE bytes, the buffer wraps.
35 #include "lcd-remote.h"
41 #include "usbstack/usb_serial.h"
44 /* Only provide all this if asked to */
45 #ifdef ROCKBOX_HAS_LOGF
48 unsigned char logfbuffer
[MAX_LOGF_SIZE
];
53 #ifdef HAVE_REMOTE_LCD
54 static void displayremote(void)
56 /* TODO: we should have a debug option that enables/disables this! */
59 int cur_x
, cur_y
, delta_y
, delta_x
;
63 /* Memorize the pointer to the beginning of the last ... lines
64 I assume delta_y >= 6 to avoid wasting memory and allocating memory dynamically
65 I hope there is no font with height < 6 ! */
66 const int NB_ENTRIES
=LCD_REMOTE_HEIGHT
/ 6;
67 int line_start_ptr
[NB_ENTRIES
];
69 fontnr
= lcd_getfont();
70 font
= font_get(fontnr
);
72 /* get the horizontal size of each line */
73 font_getstringsize("A", NULL
, &delta_y
, fontnr
);
75 /* font too small ? */
78 /* nothing to print ? */
79 if(logfindex
== 0 && !logfwrap
)
83 h
= LCD_REMOTE_HEIGHT
;
93 line_start_ptr
[0] = i
;
97 if(logfbuffer
[i
] == '\0')
99 line_start_ptr
[++nb_lines
% NB_ENTRIES
] = i
+1;
104 /* does character fit on this line ? */
105 delta_x
= font_get_width(font
, logfbuffer
[i
]);
107 if(cur_x
+ delta_x
> w
)
110 line_start_ptr
[++nb_lines
% NB_ENTRIES
] = i
;
116 if(i
>= MAX_LOGF_SIZE
)
118 } while(i
!= logfindex
);
120 lcd_remote_clear_display();
122 i
= line_start_ptr
[ MAX(nb_lines
- h
/ delta_y
, 0) % NB_ENTRIES
];
128 if(logfbuffer
[i
] == '\0')
135 /* does character fit on this line ? */
136 delta_x
= font_get_width(font
, logfbuffer
[i
]);
138 if(cur_x
+ delta_x
> w
)
144 buf
[0] = logfbuffer
[i
];
145 lcd_remote_putsxy(cur_x
, cur_y
, buf
);
150 if(i
>= MAX_LOGF_SIZE
)
152 } while(i
!= logfindex
);
157 #define displayremote()
161 void _logf(const char *format
, ...)
165 va_start(ap
, format
);
167 vsnprintf(buf
, sizeof buf
, format
, ap
);
168 printf("DEBUG: %s\n", buf
);
171 static void check_logfindex(void)
173 if(logfindex
>= MAX_LOGF_SIZE
)
181 static int logf_push(void *userp
, unsigned char c
)
185 logfbuffer
[logfindex
++] = c
;
188 #if defined(HAVE_SERIAL) && !defined(SIMULATOR)
201 void _logf(const char *fmt
, ...)
203 #ifdef USB_ENABLE_SERIAL
204 int old_logfindex
= logfindex
;
212 vsnprintf(buf
, sizeof buf
, fmt
, ap
);
216 vuprintf(logf_push
, NULL
, fmt
, ap
);
219 /* add trailing zero */
220 logf_push(NULL
, '\0');
222 #if defined(HAVE_SERIAL) && !defined(SIMULATOR)
225 #ifdef USB_ENABLE_SERIAL
227 if(logfindex
< old_logfindex
)
229 usb_serial_send(logfbuffer
+ old_logfindex
, MAX_LOGF_SIZE
- old_logfindex
);
230 usb_serial_send(logfbuffer
, logfindex
- 1);
233 usb_serial_send(logfbuffer
+ old_logfindex
, logfindex
- old_logfindex
- 1);
234 usb_serial_send("\r\n", 2);