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stm32: Add support for configuring open drain output mode

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Signed-off-by: Kevin O'Connor <kevin@koconnor.net>
This commit is contained in:
Kevin O'Connor 2019-08-20 13:32:14 -04:00
parent c930fc392b
commit e32be928dc
3 changed files with 9 additions and 2 deletions
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src/stm32/internal.h
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@ -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