From a20ab40ed2384e3d0463c67a792040145203e364 Mon Sep 17 00:00:00 2001 From: Dan Halbert Date: Mon, 16 Jul 2018 09:01:46 -0400 Subject: Merge 3.0.0 final bugfixes and changes to master --- shared-module/bitbangio/OneWire.c | 3 +++ 1 file changed, 3 insertions(+) (limited to 'shared-module') diff --git a/shared-module/bitbangio/OneWire.c b/shared-module/bitbangio/OneWire.c index e77bdb3b2..f5f479087 100644 --- a/shared-module/bitbangio/OneWire.c +++ b/shared-module/bitbangio/OneWire.c @@ -49,6 +49,9 @@ void shared_module_bitbangio_onewire_deinit(bitbangio_onewire_obj_t* self) { common_hal_digitalio_digitalinout_deinit(&self->pin); } +// We use common_hal_mcu_delay_us(). It should not be dependent on interrupts +// to do accurate timekeeping, since we disable interrupts during the delays below. + bool shared_module_bitbangio_onewire_reset(bitbangio_onewire_obj_t* self) { common_hal_mcu_disable_interrupts(); common_hal_digitalio_digitalinout_switch_to_output(&self->pin, false, DRIVE_MODE_OPEN_DRAIN); -- cgit v1.2.3