2 Commits

Author SHA1 Message Date
Hauke Petersen
71995e7cde cpu/stm32f4: added custom GPIO_UNDEF define 2015-06-14 16:16:39 +02:00
Hauke Petersen
69d16af81c cpu/stm32f4: remodeled GPIO implementation 2015-06-12 19:10:48 +02:00