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FS#9532 - e200v2 buttons

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@19035 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Jonathan Gordon 2008-11-07 05:31:05 +00:00
parent 97aef4ce11
commit 2b81bce27c
1 changed files with 45 additions and 1 deletions
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46
firmware/target/arm/as3525/sansa-e200v2/button-e200v2.c
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@ -70,10 +70,54 @@ void clickwheel_int(void)
/* device buttons */ /* device buttons */
void button_int(void) void button_int(void)
{ {
unsigned char state; int dir_save_b = 0;
int afsel_save_b = 0;
int dir_save_c = 0;
int afsel_save_c = 0;
int_btn = BUTTON_NONE; 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;
} }
/* /*