diff options
Diffstat (limited to 'drivers/led/issi/is31fl3218.c')
| -rw-r--r-- | drivers/led/issi/is31fl3218.c | 18 |
1 files changed, 11 insertions, 7 deletions
diff --git a/drivers/led/issi/is31fl3218.c b/drivers/led/issi/is31fl3218.c index 9bfdc9c44d..49cfa08d3b 100644 --- a/drivers/led/issi/is31fl3218.c +++ b/drivers/led/issi/is31fl3218.c @@ -13,6 +13,7 @@ * You should have received a copy of the GNU General Public License * along with this program. If not, see <http://www.gnu.org/licenses/>. */ + #include "is31fl3218.h" #include <string.h> #include "i2c_master.h" @@ -93,16 +94,19 @@ void is31fl3218_init(void) { void is31fl3218_set_color(int index, uint8_t red, uint8_t green, uint8_t blue) { is31fl3218_led_t led; + if (index >= 0 && index < IS31FL3218_LED_COUNT) { memcpy_P(&led, (&g_is31fl3218_leds[index]), sizeof(led)); + + if (g_pwm_buffer[led.r - IS31FL3218_REG_PWM] == red && g_pwm_buffer[led.g - IS31FL3218_REG_PWM] == green && g_pwm_buffer[led.b - IS31FL3218_REG_PWM] == blue) { + return; + } + + g_pwm_buffer[led.r - IS31FL3218_REG_PWM] = red; + g_pwm_buffer[led.g - IS31FL3218_REG_PWM] = green; + g_pwm_buffer[led.b - IS31FL3218_REG_PWM] = blue; + g_pwm_buffer_update_required = true; } - if (g_pwm_buffer[led.r - IS31FL3218_REG_PWM] == red && g_pwm_buffer[led.g - IS31FL3218_REG_PWM] == green && g_pwm_buffer[led.b - IS31FL3218_REG_PWM] == blue) { - return; - } - g_pwm_buffer[led.r - IS31FL3218_REG_PWM] = red; - g_pwm_buffer[led.g - IS31FL3218_REG_PWM] = green; - g_pwm_buffer[led.b - IS31FL3218_REG_PWM] = blue; - g_pwm_buffer_update_required = true; } void is31fl3218_set_color_all(uint8_t red, uint8_t green, uint8_t blue) { |