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fuze+: move defines from .c to .h; implement button reading for volume up/down and power

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git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29822 a1c6a512-1295-4272-9138-f99709370657
This commit is contained in:
Amaury Pouly 2011-05-04 18:00:22 +00:00
parent 37a9a200b2
commit ffee0b5e94
4 changed files with 45 additions and 26 deletions
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19
firmware/target/arm/imx233/sansa-fuzeplus/button-fuzeplus.c
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@ -19,6 +19,9 @@
*
****************************************************************************/
#include "button-target.h"
#include "system.h"
#include "system-target.h"
#include "pinctrl-imx233.h"
void button_init_device(void)
{
@ -26,5 +29,19 @@ void button_init_device(void)
int button_read_device(void)
{
return 0;
int res = 0;
if(!imx233_get_gpio_input_mask(1, 0x40000000))
res |= BUTTON_VOL_DOWN;
/* The imx233 uses the voltage on the PSWITCH pin to detect power up/down
* events as well as recovery mode. Since the power button is the power button
* and the volume up button is recovery, it is not possible to know whether
* power button is down when volume up is down (except if there is another
* method but volume up and power don't seem to be wired to GPIO pins). */
switch((HW_POWER_STS & HW_POWER_STS__PSWITCH_BM) >> HW_POWER_STS__PSWITCH_BP)
{
case 1: res |= BUTTON_POWER; break;
case 3: res |= BUTTON_VOL_UP; break;
default: break;
}
return res;
}