diff options
| author | Björn Stenberg <bjorn@haxx.se> | 2008-11-24 20:51:05 +0000 |
|---|---|---|
| committer | Björn Stenberg <bjorn@haxx.se> | 2008-11-24 20:51:05 +0000 |
| commit | 8486cb96c120234f6780543590a6013d8f81cf32 (patch) | |
| tree | 682e52a670013292a34b52741fed53e3485c4819 /firmware | |
| parent | 3dcfe9ef7151868e826ba88dd9925d1717f81d4a (diff) | |
Preliminary button driver for Sansa Fuze. FS#9575 by Thomas Martitz.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19206 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware')
| -rw-r--r-- | firmware/target/arm/as3525/sansa-fuze/button-fuze.c | 49 |
1 files changed, 49 insertions, 0 deletions
diff --git a/firmware/target/arm/as3525/sansa-fuze/button-fuze.c b/firmware/target/arm/as3525/sansa-fuze/button-fuze.c index ee463ab2de..36a0f3aeda 100644 --- a/firmware/target/arm/as3525/sansa-fuze/button-fuze.c +++ b/firmware/target/arm/as3525/sansa-fuze/button-fuze.c @@ -68,9 +68,58 @@ 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; } /* |