diff options
Diffstat (limited to 'nuttx/arch/arm/src/nuc1xx/chip/nuc_gpio.h')
| -rw-r--r-- | nuttx/arch/arm/src/nuc1xx/chip/nuc_gpio.h | 10 |
1 files changed, 5 insertions, 5 deletions
diff --git a/nuttx/arch/arm/src/nuc1xx/chip/nuc_gpio.h b/nuttx/arch/arm/src/nuc1xx/chip/nuc_gpio.h index 4bc1b61f9..5ad806ea1 100644 --- a/nuttx/arch/arm/src/nuc1xx/chip/nuc_gpio.h +++ b/nuttx/arch/arm/src/nuc1xx/chip/nuc_gpio.h @@ -421,14 +421,14 @@ /* GPIO port pin I/O mode control */ -#define GPIO_PMD_INPUT 0 -#define GPIO_PMD_OUTPUT 1 -#define GPIO_PMD_OPENDRAIN 2 -#define GPIO_PMD_BIDI 3 +#define GPIO_PMD_INPUT 0 /* Input */ +#define GPIO_PMD_OUTPUT 1 /* Push-pull output */ +#define GPIO_PMD_OPENDRAIN 2 /* Open drain output */ +#define GPIO_PMD_BIDI 3 /* Quasi bi-directional */ #define GPIO_PMD_SHIFT(n) ((n) << 1) /* Bits 2n-2n+_1: GPIOx Pin[n] mode control */ #define GPIO_PMD_MASK(n) (3 << GPIO_PMD_SHIFT(n)) -# define GPIO_PMD_MASK(n,v) ((v) << GPIO_PMD_SHIFT(n)) +# define GPIO_PMD(n,v) ((v) << GPIO_PMD_SHIFT(n)) #define GPIO_PMD0_SHIFT (0) /* Bits 0-1: GPIOx Pin0 mode control */ #define GPIO_PMD0_MASK (3 << GPIO_PMD0_SHIFT) |