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-rw-r--r--atmel-samd/common-hal/pulseio/PWMOut.c4
1 files changed, 4 insertions, 0 deletions
diff --git a/atmel-samd/common-hal/pulseio/PWMOut.c b/atmel-samd/common-hal/pulseio/PWMOut.c
index a98bf37ad..336948a2e 100644
--- a/atmel-samd/common-hal/pulseio/PWMOut.c
+++ b/atmel-samd/common-hal/pulseio/PWMOut.c
@@ -128,6 +128,8 @@ void common_hal_pulseio_pwmout_construct(pulseio_pwmout_obj_t* self,
channel_ok(&pin->primary_timer, primary_timer_index)) {
t = &pin->primary_timer;
index = primary_timer_index;
+ self->tcc_instance.hw = t->tcc;
+ self->tcc_instance.double_buffering_enabled = true;
} else if (!variable_frequency &&
secondary_timer_index != 0xff &&
target_timer_frequencies[secondary_timer_index] == frequency &&
@@ -135,6 +137,8 @@ void common_hal_pulseio_pwmout_construct(pulseio_pwmout_obj_t* self,
channel_ok(&pin->secondary_timer, secondary_timer_index)) {
t = &pin->secondary_timer;
index = secondary_timer_index;
+ self->tcc_instance.hw = t->tcc;
+ self->tcc_instance.double_buffering_enabled = true;
} else {
// Pick an unused timer if available.