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author | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-01 19:10:02 +0000 |
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committer | patacongo <patacongo@42af7a65-404d-4744-a932-0658087f49c3> | 2013-03-01 19:10:02 +0000 |
commit | 7b9858c44c827799d2d4c898fc081b907bce7b49 (patch) | |
tree | 1764a99eb1971176a2b242949ec23c742b46dd83 /nuttx/arch/arm | |
parent | 632648b224dfcefbf70347d7fb3a60d8f6e7fad4 (diff) | |
download | px4-nuttx-7b9858c44c827799d2d4c898fc081b907bce7b49.tar.gz px4-nuttx-7b9858c44c827799d2d4c898fc081b907bce7b49.tar.bz2 px4-nuttx-7b9858c44c827799d2d4c898fc081b907bce7b49.zip |
Add a configuration to begin development of an LM4F120 LaunchPad port
git-svn-id: svn://svn.code.sf.net/p/nuttx/code/trunk@5692 42af7a65-404d-4744-a932-0658087f49c3
Diffstat (limited to 'nuttx/arch/arm')
-rw-r--r-- | nuttx/arch/arm/src/lm/lm_gpio.c | 6 | ||||
-rw-r--r-- | nuttx/arch/arm/src/lm/lm_gpio.h | 14 |
2 files changed, 14 insertions, 6 deletions
diff --git a/nuttx/arch/arm/src/lm/lm_gpio.c b/nuttx/arch/arm/src/lm/lm_gpio.c index be851e67c..5b49f5a6c 100644 --- a/nuttx/arch/arm/src/lm/lm_gpio.c +++ b/nuttx/arch/arm/src/lm/lm_gpio.c @@ -715,7 +715,7 @@ int lm_configgpio(uint32_t cfgset) func = (cfgset & GPIO_FUNC_MASK) >> GPIO_FUNC_SHIFT; port = (cfgset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT; - pinno = (cfgset & GPIO_NUMBER_MASK); + pinno = (cfgset & GPIO_PIN_MASK); pin = (1 <<pinno); DEBUGASSERT(func <= GPIO_FUNC_MAX); @@ -792,7 +792,7 @@ void lm_gpiowrite(uint32_t pinset, bool value) /* Decode the basics */ port = (pinset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT; - pinno = (pinset & GPIO_NUMBER_MASK); + pinno = (pinset & GPIO_PIN_MASK); /* Get the base address associated with the GPIO port */ @@ -830,7 +830,7 @@ bool lm_gpioread(uint32_t pinset, bool value) /* Decode the basics */ port = (pinset & GPIO_PORT_MASK) >> GPIO_PORT_SHIFT; - pinno = (pinset & GPIO_NUMBER_MASK); + pinno = (pinset & GPIO_PIN_MASK); /* Get the base address associated with the GPIO port */ diff --git a/nuttx/arch/arm/src/lm/lm_gpio.h b/nuttx/arch/arm/src/lm/lm_gpio.h index 1447eb065..5938b7891 100644 --- a/nuttx/arch/arm/src/lm/lm_gpio.h +++ b/nuttx/arch/arm/src/lm/lm_gpio.h @@ -135,12 +135,20 @@ #define GPIO_PORTH (7 << GPIO_PORT_SHIFT) /* GPIOH */ #define GPIO_PORTJ (8 << GPIO_PORT_SHIFT) /* GPIOJ */ -/* This identifies the bit in the port: +/* This identifies the pin number in the port: * nnnn nnnn nnnn nnnn nnnn nnnn nnnn nBBB */ -#define GPIO_NUMBER_SHIFT 0 /* Bits 0-2: GPIO number: 0-7 */ -#define GPIO_NUMBER_MASK (7 << GPIO_NUMBER_SHIFT) +#define GPIO_PIN_SHIFT 0 /* Bits 0-2: GPIO pin: 0-7 */ +#define GPIO_PIN_MASK (7 << GPIO_PIN_SHIFT) +# define GPIO_PIN_0 (0 << GPIO_PIN_SHIFT) +# define GPIO_PIN_1 (1 << GPIO_PIN_SHIFT) +# define GPIO_PIN_2 (2 << GPIO_PIN_SHIFT) +# define GPIO_PIN_3 (3 << GPIO_PIN_SHIFT) +# define GPIO_PIN_4 (4 << GPIO_PIN_SHIFT) +# define GPIO_PIN_5 (5 << GPIO_PIN_SHIFT) +# define GPIO_PIN_6 (6 << GPIO_PIN_SHIFT) +# define GPIO_PIN_7 (7 << GPIO_PIN_SHIFT) /************************************************************************************ * Public Types |