static void irq_handler(NRF_PWM_Type * p_pwm, pwm_control_block_t * p_cb)
{
// The user handler is called for SEQEND0 and SEQEND1 events only when the
// user asks for it (by setting proper flags when starting the playback).
if (nrf_pwm_event_check(p_pwm, NRF_PWM_EVENT_SEQEND0))
{
nrf_pwm_event_clear(p_pwm, NRF_PWM_EVENT_SEQEND0);
if ((p_cb->flags & NRFX_PWM_FLAG_SIGNAL_END_SEQ0) && p_cb->handler)
{
p_cb->handler(NRFX_PWM_EVT_END_SEQ0);
}
}
if (nrf_pwm_event_check(p_pwm, NRF_PWM_EVENT_SEQEND1))
{
nrf_pwm_event_clear(p_pwm, NRF_PWM_EVENT_SEQEND1);
if ((p_cb->flags & NRFX_PWM_FLAG_SIGNAL_END_SEQ1) && p_cb->handler)
{
p_cb->handler(NRFX_PWM_EVT_END_SEQ1);
}
}
// For LOOPSDONE the handler is called by default, but the user can disable
// this (via flags).
if (nrf_pwm_event_check(p_pwm, NRF_PWM_EVENT_LOOPSDONE))
{
nrf_pwm_event_clear(p_pwm, NRF_PWM_EVENT_LOOPSDONE);
if (!(p_cb->flags & NRFX_PWM_FLAG_NO_EVT_FINISHED) && p_cb->handler)
{
p_cb->handler(NRFX_PWM_EVT_FINISHED);
}
}
// The STOPPED event is always propagated to the user handler.
if (nrf_pwm_event_check(p_pwm, NRF_PWM_EVENT_STOPPED))
{
nrf_pwm_event_clear(p_pwm, NRF_PWM_EVENT_STOPPED);
p_cb->state = NRFX_DRV_STATE_INITIALIZED;
if (p_cb->handler)
{
p_cb->handler(NRFX_PWM_EVT_STOPPED);
}
}
}
static void irq_handler(NRF_PWM_Type * p_pwm, pwm_control_block_t * p_cb)
{
ASSERT(p_cb->handler);
// The SEQEND0 and SEQEND1 events are only handled when the user asked for
// it (by setting proper flags when starting the playback).
if (nrf_pwm_int_enable_check(p_pwm, NRF_PWM_INT_SEQEND0_MASK) &&
nrf_pwm_event_check(p_pwm, NRF_PWM_EVENT_SEQEND0))
{
nrf_pwm_event_clear(p_pwm, NRF_PWM_EVENT_SEQEND0);
p_cb->handler(NRF_DRV_PWM_EVT_END_SEQ0);
}
if (nrf_pwm_int_enable_check(p_pwm, NRF_PWM_INT_SEQEND1_MASK) &&
nrf_pwm_event_check(p_pwm, NRF_PWM_EVENT_SEQEND1))
{
nrf_pwm_event_clear(p_pwm, NRF_PWM_EVENT_SEQEND1);
p_cb->handler(NRF_DRV_PWM_EVT_END_SEQ1);
}
// The LOOPSDONE event is handled by default, but this can be disabled.
if (nrf_pwm_int_enable_check(p_pwm, NRF_PWM_INT_LOOPSDONE_MASK) &&
nrf_pwm_event_check(p_pwm, NRF_PWM_EVENT_LOOPSDONE))
{
nrf_pwm_event_clear(p_pwm, NRF_PWM_EVENT_LOOPSDONE);
p_cb->handler(NRF_DRV_PWM_EVT_FINISHED);
}
if (nrf_pwm_event_check(p_pwm, NRF_PWM_EVENT_STOPPED))
{
nrf_pwm_event_clear(p_pwm, NRF_PWM_EVENT_STOPPED);
p_cb->state = NRF_DRV_STATE_INITIALIZED;
p_cb->handler(NRF_DRV_PWM_EVT_STOPPED);
}
}
bool nrf_drv_pwm_is_stopped(nrf_drv_pwm_t const * const p_instance)
{
pwm_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
ASSERT(p_cb->state != NRF_DRV_STATE_UNINITIALIZED);
// If the event handler is used (interrupts are enabled), the state will
// be changed in interrupt handler when the STOPPED event occurs.
if (p_cb->state != NRF_DRV_STATE_POWERED_ON)
{
return true;
}
// If interrupts are disabled, we must check the STOPPED event here.
if (nrf_pwm_event_check(p_instance->p_registers, NRF_PWM_EVENT_STOPPED))
{
p_cb->state = NRF_DRV_STATE_INITIALIZED;
return true;
}
return false;
}
bool nrfx_pwm_is_stopped(nrfx_pwm_t const * const p_instance)
{
pwm_control_block_t * p_cb = &m_cb[p_instance->drv_inst_idx];
NRFX_ASSERT(p_cb->state != NRFX_DRV_STATE_UNINITIALIZED);
bool ret_val = false;
// If the event handler is used (interrupts are enabled), the state will
// be changed in interrupt handler when the STOPPED event occurs.
if (p_cb->state != NRFX_DRV_STATE_POWERED_ON)
{
ret_val = true;
}
// If interrupts are disabled, we must check the STOPPED event here.
if (nrf_pwm_event_check(p_instance->p_registers, NRF_PWM_EVENT_STOPPED))
{
p_cb->state = NRFX_DRV_STATE_INITIALIZED;
NRFX_LOG_INFO("Disabled.");
ret_val = true;
}
NRFX_LOG_INFO("%s returned %d.", __func__, ret_val);
return ret_val;
}
