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Add optional logf display helper function for bootloaders

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19938 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Maurus Cuelenaere 2009-02-07 13:52:03 +00:00
parent 3f109f595c
commit c33209e1b9
2 changed files with 87 additions and 0 deletions
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84
bootloader/common.c
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@ -30,6 +30,10 @@
#include "power.h"
#include "kernel.h"
#include "config.h"
#include "logf.h"
#include "button.h"
#include "string.h"
#include "usb.h"
/* TODO: Other bootloaders need to be adjusted to set this variable to true
on a button press - currently only the ipod, H10 and Sansa versions do. */
@ -238,3 +242,83 @@ int dbg_ports(void)
void mpeg_stop(void)
{
}
#ifdef ROCKBOX_HAS_LOGF /* Logf display helper for the bootloader */
#define LINES (LCD_HEIGHT/SYSFONT_HEIGHT)
#define COLUMNS ((LCD_WIDTH/SYSFONT_WIDTH) > MAX_LOGF_ENTRY ? \
MAX_LOGF_ENTRY : (LCD_WIDTH/SYSFONT_WIDTH))
#ifdef ONDA_VX747
#define LOGF_UP BUTTON_VOL_UP
#define LOGF_DOWN BUTTON_VOL_DOWN
#define LOGF_CLEAR BUTTON_MENU
#else
#warning No keymap defined for this target
#endif
void display_logf(void) /* Doesn't return! */
{
int i, index, button, user_index=0;
#ifdef HAVE_TOUCHSCREEN
int touch, prev_y=0;
#endif
char buffer[COLUMNS+1];
while(1)
{
index = logfindex + user_index;
lcd_clear_display();
for(i = LINES-1; i>=0; i--)
{
if(--index < 0)
{
if(logfwrap)
index = MAX_LOGF_LINES-1;
else
break; /* done */
}
memcpy(buffer, logfbuffer[index], COLUMNS);
if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_CONTINUE_LINE)
buffer[MAX_LOGF_ENTRY-1] = '>';
else if (logfbuffer[index][MAX_LOGF_ENTRY] == LOGF_TERMINATE_MULTI_LINE)
buffer[MAX_LOGF_ENTRY-1] = '\0';
buffer[COLUMNS] = '\0';
lcd_puts(0, i, buffer);
}
button = button_get(false);
if(button == SYS_USB_CONNECTED)
usb_acknowledge(SYS_USB_CONNECTED_ACK);
else if(button == SYS_USB_DISCONNECTED)
usb_acknowledge(SYS_USB_DISCONNECTED_ACK);
else if(button & LOGF_UP)
user_index++;
else if(button & LOGF_DOWN)
user_index--;
else if(button & LOGF_CLEAR)
user_index = 0;
#ifdef HAVE_TOUCHSCREEN
else if(button & BUTTON_TOUCH)
{
touch = button_get_data();
if(button & BUTTON_REL)
prev_y = 0;
if(prev_y != 0)
user_index += (prev_y - (touch & 0xFFFF)) / SYSFONT_HEIGHT;
prev_y = touch & 0xFFFF;
}
#endif
lcd_update();
sleep(HZ/16);
}
}
#endif