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authorMichael Sevakis <jethead71@rockbox.org>2011-01-20 14:26:58 +0000
committerMichael Sevakis <jethead71@rockbox.org>2011-01-20 14:26:58 +0000
commit5f52f6ee01fdd060fab9b72736daf06b3dbda212 (patch)
tree940b56b9e46845c8283a9c2285a4447599d90f04 /firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c
parentee6ea59c764e023c4cf63e1ca9eac8a62cf4a2b4 (diff)
downloadrockbox-5f52f6ee01fdd060fab9b72736daf06b3dbda212.tar.gz
rockbox-5f52f6ee01fdd060fab9b72736daf06b3dbda212.zip
Fuze V2: Fix hold switch behavior. Add a GPIOx_PIN_MASK macro to AS3525.
git-svn-id: svn://svn.rockbox.org/rockbox/trunk@29096 a1c6a512-1295-4272-9138-f99709370657
Diffstat (limited to 'firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c')
-rw-r--r--firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c32
1 files changed, 11 insertions, 21 deletions
diff --git a/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c b/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c
index 7920bff80e..4907de11f3 100644
--- a/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c
+++ b/firmware/target/arm/as3525/sansa-fuzev2/button-fuzev2.c
@@ -196,31 +196,26 @@ void button_init_device(void)
#endif
}
- /* read the 2 bits at the same time */
-#define GPIOA_PIN76_offset ((1<<(6+2)) | (1<<(7+2)))
-#define GPIOA_PIN76 (*(volatile unsigned char*)(GPIOA_BASE+GPIOA_PIN76_offset))
-
void button_gpioa_isr(void)
{
#if defined(HAVE_SCROLLWHEEL)
/* scroll wheel handling */
if (GPIOA_MIS & SCROLLWHEEL_BITS)
- scrollwheel(GPIOA_PIN76 >> 6);
+ scrollwheel(GPIOA_PIN_MASK(0xc0) >> 6);
/* ack interrupt */
GPIOA_IC = SCROLLWHEEL_BITS;
#endif
}
-
/*
* Get button pressed from hardware
*/
int button_read_device(void)
{
int btn = 0;
- static bool hold_button_old = false;
static long power_counter = 0;
+ bool hold = false;
unsigned gpiod6;
/* if we don't wait for the fifo to empty, we'll see screen corruption
@@ -264,14 +259,9 @@ int button_read_device(void)
{ /* power/hold is on the same pin. we know it's hold if the bit isn't
* set now anymore */
if (GPIOD_PIN(6) & 1<<6)
- {
- hold_button = false;
btn |= BUTTON_POWER;
- }
else
- {
- hold_button = true;
- }
+ hold = true;
}
if(gpiob_pin0_dir)
@@ -283,21 +273,21 @@ int button_read_device(void)
#ifdef HAS_BUTTON_HOLD
#ifndef BOOTLOADER
/* light handling */
- if (hold_button != hold_button_old)
+ if (hold != hold_button)
{
- hold_button_old = hold_button;
- backlight_hold_changed(hold_button);
+ hold_button = hold;
+ backlight_hold_changed(hold);
/* mask scrollwheel irq so we don't need to check for
* the hold button in the isr */
- if (hold_button)
+ if (hold)
GPIOA_IE &= ~SCROLLWHEEL_BITS;
else
GPIOA_IE |= SCROLLWHEEL_BITS;
}
#else
- (void)hold_button_old;
-#endif
- if (hold_button)
+ hold_button = hold;
+#endif /* BOOTLOADER */
+ if (hold)
{
power_counter = HZ;
return 0;
@@ -311,7 +301,7 @@ int button_read_device(void)
power_counter--;
btn &= ~BUTTON_POWER;
}
-#endif
+#endif /* HAS_BUTTON_HOLD */
return btn;
}