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| author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-09-29 16:38:36 +0000 |
|---|---|---|
| committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2009-09-29 16:38:36 +0000 |
| commit | 0438297bba6c3a96a9d5fe182775542b55b53178 (patch) | |
| tree | d183f625ecdb1a7a593c6451098700e4df6b3811 /nuttx/arch/arm/src/stm32/stm32_gpio.h | |
| parent | 1246622935c628f1bffc6b6af7259cc1bd82db43 (diff) | |
| download | px4-nuttx-0438297bba6c3a96a9d5fe182775542b55b53178.tar.gz px4-nuttx-0438297bba6c3a96a9d5fe182775542b55b53178.tar.bz2 px4-nuttx-0438297bba6c3a96a9d5fe182775542b55b53178.zip | |
Add GPIO logic
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@2105 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm/src/stm32/stm32_gpio.h')
| -rw-r--r-- | nuttx/arch/arm/src/stm32/stm32_gpio.h | 5 |
1 files changed, 5 insertions, 0 deletions
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 */ |