From e32be928dc042b61876384fac9ef2a225d10e929 Mon Sep 17 00:00:00 2001 From: Kevin O'Connor Date: Tue, 20 Aug 2019 13:32:14 -0400 Subject: stm32: Add support for configuring open drain output mode Signed-off-by: Kevin O'Connor --- src/stm32/internal.h | 1 + 1 file changed, 1 insertion(+) (limited to 'src/stm32/internal.h') 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 -- cgit v1.2.3-70-g09d2