diff options
| author | Dan Halbert <halbert@halwitz.org> | 2017-10-16 18:28:38 -0400 |
|---|---|---|
| committer | Scott Shawcroft <scott@tannewt.org> | 2017-10-16 22:13:09 -0700 |
| commit | 4f4ddf00dcce450aaa79da2cdab25fad674926f9 (patch) | |
| tree | b543e63fd7acdbae64aa9895470aa3762c20c219 | |
| parent | c6a15f76adfe0a3627fd42f6a4a5f2c45be51b35 (diff) | |
Set DRVSTR on output pins to strong (more current capability).
| -rw-r--r-- | atmel-samd/common-hal/digitalio/DigitalInOut.c | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/atmel-samd/common-hal/digitalio/DigitalInOut.c b/atmel-samd/common-hal/digitalio/DigitalInOut.c index abb4547cc..16654f0fe 100644 --- a/atmel-samd/common-hal/digitalio/DigitalInOut.c +++ b/atmel-samd/common-hal/digitalio/DigitalInOut.c @@ -80,6 +80,9 @@ void common_hal_digitalio_digitalinout_switch_to_output( pin_conf.input_pull = PORT_PIN_PULL_NONE; port_pin_set_config(self->pin->pin, &pin_conf); + // Turn on "strong" pin driving (more current available). See DRVSTR doc in datasheet. + system_pinmux_pin_set_output_strength(self->pin->pin, SYSTEM_PINMUX_PIN_STRENGTH_HIGH); + self->output = true; self->open_drain = drive_mode == DRIVE_MODE_OPEN_DRAIN; common_hal_digitalio_digitalinout_set_value(self, value); |