From 0438297bba6c3a96a9d5fe182775542b55b53178 Mon Sep 17 00:00:00 2001 From: patacongo Date: Tue, 29 Sep 2009 16:38:36 +0000 Subject: Add GPIO logic git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2105 42af7a65-404d-4744-a932-0658087f49c3 --- nuttx/arch/arm/src/stm32/stm32_gpio.h | 5 +++++ 1 file changed, 5 insertions(+) (limited to 'nuttx/arch/arm/src/stm32/stm32_gpio.h') diff --git a/nuttx/arch/arm/src/stm32/stm32_gpio.h b/nuttx/arch/arm/src/stm32/stm32_gpio.h index e01639c3b..4e2c9f8ac 100644 --- a/nuttx/arch/arm/src/stm32/stm32_gpio.h +++ b/nuttx/arch/arm/src/stm32/stm32_gpio.h @@ -148,6 +148,11 @@ /* Port configuration register low */ +#define GPIO_CR_MODE_SHIFT(n) ((n) << 1) +#define GPIO_CR_MODE_MASK(n) (3 << GPIO_CR_MODE_SHIFT(n)) +#define GPIO_CRL_CNF_SHIFT(n) (2+((n) << 1)) +#define GPIO_CRL_CNF_MASK(n) (3 << GPIO_CRL_CNF_SHIFT(n)) + #define GPIO_CRL_MODE0_SHIFT (0) /* Bits 1:0: Port mode bits */ #define GPIO_CRL_MODE0_MASK (3 << GPIO_CRL_MODE0_SHIFT) #define GPIO_CRL_CNF0_SHIFT (2) /* Bits 3:2: Port configuration bits */ -- cgit v1.2.3