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reduce delay to 50us

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This commit is contained in:
hathach 2018-12-21 15:04:48 +07:00
parent 25f6d395bc
commit a316c8bd67
1 changed files with 7 additions and 2 deletions
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9
src/boards.c
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@ -348,9 +348,10 @@ void neopixel_teardown(void)
{
uint8_t grb[3] = { 0, 0, 0 };
NRFX_DELAY_US(100); // wait for previous write is complete
NRFX_DELAY_US(50); // wait for previous write is complete
neopixel_write(grb);
NRFX_DELAY_US(100); // wait for this write
NRFX_DELAY_US(50); // wait for this write
pwm_teardown(NRF_PWM2);
}
@ -382,6 +383,10 @@ void neopixel_write (uint8_t *pixels)
nrf_pwm_seq_cnt_set(pwm, 0, sizeof(pixels_pattern)/2);
nrf_pwm_event_clear(pwm, NRF_PWM_EVENT_SEQEND0);
nrf_pwm_task_trigger(pwm, NRF_PWM_TASK_SEQSTART0);
// no need to blocking wait for sequence complete
// while( !nrf_pwm_event_check(pwm, NRF_PWM_EVENT_SEQEND0) ) {}
// nrf_pwm_event_clear(pwm, NRF_PWM_EVENT_SEQEND0);
}
#endif