len0rd/rockbox
1
0
Fork 1
mirror of https://github.com/Rockbox/rockbox.git synced 2025-12-08 20:55:17 -05:00
Code Issues Projects Releases Packages Wiki Activity Actions

Preliminary button driver for Sansa Fuze. FS#9575 by Thomas Martitz.

Browse source 
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19206 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Björn Stenberg 2008-11-24 20:51:05 +00:00
parent 3dcfe9ef71
commit 8486cb96c1
1 changed files with 49 additions and 0 deletions
Download patch file Download diff file Expand all files Collapse all files

49
firmware/target/arm/as3525/sansa-fuze/button-fuze.c
View file

@ -67,10 +67,59 @@ void clickwheel_int(void)
}
#endif /* BOOTLOADER */
/* device buttons */
/* device buttons */
void button_int(void)
{
int dir_save_b = 0;
int afsel_save_b = 0;
int dir_save_c = 0;
int afsel_save_c = 0;
int_btn = BUTTON_NONE;
/* Save the current direction and afsel */
dir_save_b = GPIOB_DIR;
afsel_save_b = GPIOB_AFSEL;
dir_save_c = GPIOC_DIR;
afsel_save_c = GPIOC_AFSEL;
GPIOB_DIR = 0;
GPIOB_AFSEL = 0;
GPIOC_DIR = 0;
GPIOC_AFSEL = 0;
/* These should not be needed with button event interupts */
/* they are necessary now to clear out lcd data */
GPIOC_PIN(0) |= 1;
GPIOC_PIN(1) |= 1;
GPIOC_PIN(2) |= 1;
GPIOC_PIN(3) |= 1;
GPIOC_PIN(4) |= 1;
GPIOC_PIN(5) |= 1;
GPIOC_PIN(6) |= 1;
GPIOC_PIN(7) |= 1;
/* direct GPIO connections */
if (GPIOB_PIN(4))
int_btn |= BUTTON_POWER;
if (!GPIOC_PIN(6))
int_btn |= BUTTON_DOWN;
if (!GPIOC_PIN(5))
int_btn |= BUTTON_RIGHT;
if (!GPIOC_PIN(4))
int_btn |= BUTTON_SELECT;
if (!GPIOC_PIN(3))
int_btn |= BUTTON_LEFT;
if (!GPIOC_PIN(2))
int_btn |= BUTTON_UP;
/* return to settings needed for lcd */
GPIOB_DIR = dir_save_b;
GPIOB_AFSEL = afsel_save_b;
GPIOC_DIR = dir_save_c;
GPIOC_AFSEL = afsel_save_c;
}
/*