diff options
| -rw-r--r-- | firmware/target/arm/imx233/system-imx233.c | 20 |
1 files changed, 9 insertions, 11 deletions
diff --git a/firmware/target/arm/imx233/system-imx233.c b/firmware/target/arm/imx233/system-imx233.c index 1174d1c..2264f7c 100644 --- a/firmware/target/arm/imx233/system-imx233.c +++ b/firmware/target/arm/imx233/system-imx233.c @@ -124,17 +124,15 @@ void system_exception_wait(void) lcd_update(); backlight_hw_on(); backlight_hw_brightness(DEFAULT_BRIGHTNESS_SETTING); - /* wait until button release (if a button is pressed) */ -#ifdef HAVE_BUTTON_DATA - int data; - while(button_read_device(&data)); - /* then wait until next button press */ - while(!button_read_device(&data)); -#else - while(button_read_device()); - /* then wait until next button press */ - while(!button_read_device()); -#endif + /* wait until button release (if a button is pressed) + * NOTE at this point, interrupts are off so that rules out touchpad and + * ADC, so we are pretty much left with PSWITCH only. If other buttons are + * wanted, it is possible to implement a busy polling version of button + * reading for GPIO and ADC in button-imx233 but this is not done at the + * moment. */ + while(imx233_power_read_pswitch() != 0) {} + while(imx233_power_read_pswitch() == 0) {} + while(imx233_power_read_pswitch() != 0) {} } int system_memory_guard(int newmode) |