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Diffstat (limited to 'src/stm32/internal.h')
| -rw-r--r-- | src/stm32/internal.h | 1 |
1 files changed, 1 insertions, 0 deletions
diff --git a/src/stm32/internal.h b/src/stm32/internal.h index 05a222d0..1a7b1e74 100644 --- a/src/stm32/internal.h +++ b/src/stm32/internal.h @@ -18,6 +18,7 @@ extern GPIO_TypeDef * const digital_regs[]; #define GPIO_INPUT 0 #define GPIO_OUTPUT 1 +#define GPIO_OPEN_DRAIN 0x100 #define GPIO_FUNCTION(fn) (2 | ((fn) << 4)) #define GPIO_ANALOG 3 |