diff options
Diffstat (limited to 'hwdef-emisar-d4k-3ch.c')
| -rw-r--r-- | hwdef-emisar-d4k-3ch.c | 12 |
1 files changed, 10 insertions, 2 deletions
diff --git a/hwdef-emisar-d4k-3ch.c b/hwdef-emisar-d4k-3ch.c index ba6643d..e35af08 100644 --- a/hwdef-emisar-d4k-3ch.c +++ b/hwdef-emisar-d4k-3ch.c @@ -78,6 +78,10 @@ StatePtr channel_3H_modes[NUM_CHANNEL_MODES] = { }; void set_level_zero() { + // disable timer overflow interrupt + // (helps improve button press handling from Off state) + DSM_INTCTRL &= ~DSM_OVF_bm; + // turn off all LEDs MAIN2_ENABLE_PORT &= ~(1 << MAIN2_ENABLE_PIN); LED3_ENABLE_PORT &= ~(1 << LED3_ENABLE_PIN ); @@ -123,14 +127,18 @@ void set_hw_levels(PWM_DATATYPE main2, // brightness, 0 to DSM_TOP MAIN2_PWM_LVL = main2_pwm = main2 >> 7; LED3_PWM_LVL = led3_pwm = led3 >> 7; LED4_PWM_LVL = led4_pwm = led4 >> 7; + + // enable timer overflow interrupt so DSM can work + DSM_INTCTRL |= DSM_OVF_bm; + // force phase reset PWM_CNT = PWM_CNT2 = 0; } // delta-sigma modulation of PWM outputs -// happens on each Timer0 overflow (every 512 cpu clock cycles) +// happens on each Timer overflow (every 512 cpu clock cycles) // uses 8-bit pwm w/ 7-bit dsm (0b 0PPP PPPP PDDD DDDD) -ISR(TIMER0_OVF_vect) { +ISR(DSM_vect) { // set new hardware values first, // for best timing (reduce effect of interrupt jitter) MAIN2_PWM_LVL = main2_pwm; |