mbedmicro/mbed — pull request #769 by ttajmaje (2014-12-08 11:37:15+00:00)
Title: [NUCLEO L053]fixed open drain for DigitalInOut

Added/fixed OpenDrain output type for Nucleo L053.

"OpenDrain" mode for DigitalInOut will generate pin with STM_MODE_OUTPUT_OD option.
Previously, using "OpenDrain" disabled Pullup/Pulldown only and the pin worked still as STM_MODE_OUTPUT_PP