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HD200 - add support for remote in button_read_device()

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@27258 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Marcin Bukat 2010-07-03 20:20:42 +00:00
parent 9a471e603e
commit 8d3591ae80
1 changed files with 54 additions and 6 deletions
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60
firmware/target/coldfire/mpio/hd200/button-hd200.c
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@ -28,9 +28,12 @@
void button_init_device(void)
{
/* Set GPIO56 (main PLAY) as general purpose inputs */
or_l((1<<24),&GPIO1_FUNCTION);
and_l(~(1<<24),&GPIO1_ENABLE);
/* GPIO56 (main PLAY)
* GPIO41 (remote PLAY)
* as general purpose inputs
*/
or_l((1<<24)|(1<<9),&GPIO1_FUNCTION);
and_l(~((1<<24)|(1<<9)),&GPIO1_ENABLE);
}
bool button_hold(void)
@ -39,6 +42,10 @@ bool button_hold(void)
return (GPIO1_READ & (1<<4))?true:false;
}
bool remote_button_hold(void)
{
return adc_scan(ADC_REMOTE)<50?true:false;
}
/*
* Get button pressed from hardware
@ -48,15 +55,17 @@ int button_read_device(void)
int btn = BUTTON_NONE;
int data = 0;
static bool hold_button = false;
static bool remote_hold_button = false;
bool hold_button_old;
/* normal buttons */
/* read hold buttons status */
hold_button_old = hold_button;
hold_button = button_hold();
remote_hold_button = remote_button_hold();
#ifndef BOOTLOADER
/* Only main hold affects backlight */
if (hold_button != hold_button_old)
backlight_hold_changed(hold_button);
#endif
@ -65,7 +74,7 @@ int button_read_device(void)
{
data = adc_scan(ADC_BUTTONS);
if (data < 2250) // valid button
if (data < 2250) /* valid button */
{
if (data < 900) /* middle */
{
@ -101,12 +110,51 @@ int button_read_device(void)
}
}
if (!remote_hold_button)
{
data = adc_scan(ADC_REMOTE);
if (data < 2050) /* valid button */
{
if (data < 950) /* middle */
{
if (data < 650)
{
if (data < 400)
{
if (data > 250)
/* 250 - 400 */
btn = BUTTON_RC_VOL_DOWN;
}
else /* 650 - 400 */
btn = BUTTON_RC_VOL_UP;
}
else /* 950 - 650 */
btn = BUTTON_RC_NEXT;
}
else /* 2050 - 950 */
{
if (data < 1900)
{
if (data < 1350)
/* 1350 - 900 */
btn = BUTTON_RC_PREV;
}
else /* 2050 - 1900 */
btn = BUTTON_RC_SELECT;
}
}
}
data = GPIO1_READ;
/* GPIO56 active high main PLAY/PAUSE/ON */
if (!hold_button && ((data & (1<<24))))
btn |= BUTTON_PLAY;
/* GPIO41 active high remote PLAY/PAUSE/ON */
if (!remote_hold_button && ((data & (1<<9))))
btn |= BUTTON_RC_PLAY;
return btn;
}