diff options
| author | Keith Packard <keithp@keithp.com> | 2012-08-24 00:34:55 -0700 |
|---|---|---|
| committer | Keith Packard <keithp@keithp.com> | 2012-08-24 00:34:55 -0700 |
| commit | a8e9906513227600599da12b268ff5f807ae98c7 (patch) | |
| tree | eb44774161179d60f475931eaae8f065c42eda13 /src | |
| parent | 50b58d703b8b48005a3ca9ad4e3603d6f7ac1430 (diff) | |
altos: Add 'ao_led_set_mask' in the PCA9922 driver
This lets a subset of the LEDs be controlled independent of other LED settings.
Signed-off-by: Keith Packard <keithp@keithp.com>
Diffstat (limited to 'src')
| -rw-r--r-- | src/core/ao_led.h | 4 | ||||
| -rw-r--r-- | src/drivers/ao_pca9922.c | 8 |
2 files changed, 12 insertions, 0 deletions
diff --git a/src/core/ao_led.h b/src/core/ao_led.h index edc5fd1f..d9a0914a 100644 --- a/src/core/ao_led.h +++ b/src/core/ao_led.h @@ -40,6 +40,10 @@ ao_led_off(AO_LED_TYPE colors); void ao_led_set(AO_LED_TYPE colors); +/* Set all LEDs in 'mask' to the specified state */ +void +ao_led_set_mask(uint8_t colors, uint8_t mask); + /* Toggle the specified LEDs */ void ao_led_toggle(AO_LED_TYPE colors); diff --git a/src/drivers/ao_pca9922.c b/src/drivers/ao_pca9922.c index dc006f55..6d8d18d8 100644 --- a/src/drivers/ao_pca9922.c +++ b/src/drivers/ao_pca9922.c @@ -57,6 +57,13 @@ ao_led_set(uint8_t colors) } void +ao_led_set_mask(uint8_t colors, uint8_t mask) +{ + ao_led_state = (ao_led_state & ~mask) | (colors & mask); + ao_led_apply(); +} + +void ao_led_toggle(uint8_t colors) { ao_led_state ^= colors; @@ -74,5 +81,6 @@ ao_led_for(uint8_t colors, uint16_t ticks) __reentrant void ao_led_init(uint8_t enable) { + (void) enable; ao_enable_output(AO_PCA9922_CS_PORT, AO_PCA9922_CS_PIN, AO_PCA9922_CS, 1); } |