diff options
| -rw-r--r-- | led/led.h | 16 |
1 files changed, 12 insertions, 4 deletions
@@ -67,10 +67,18 @@ uint8_t MPC8313_LED_Count; #define OUT_GPIO(g) *(gpio+((g)/10)) |= (1<<(((g)%10)*3)) #define GPIO_SET *(gpio+7) // sets bits which are 1 ignores bits which are 0 #define GPIO_CLR *(gpio+10) // clears bits which are 1 ignores bits which are 0 - -#define LED_INIT() do { unsigned int *gpio = (unsigned int *)BCM2835_GPIO_REGS_BASE; OUT_GPIO(16);} while(0) -#define LED_ON() do { unsigned int *gpio = (unsigned int *)BCM2835_GPIO_REGS_BASE; GPIO_CLR = 1 << 16;} while(0) -#define LED_OFF() do { unsigned int *gpio = (unsigned int *)BCM2835_GPIO_REGS_BASE; GPIO_SET = 1 << 16;} while(0) +// For GPIO# >= 32 (RPi B+) +#define GPIO_SET_EXT *(gpio+8) // sets bits which are 1 ignores bits which are 0 +#define GPIO_CLR_EXT *(gpio+11) // clears bits which are 1 ignores bits which are 0 + +// RPi B +//#define LED_INIT() do { unsigned int *gpio = (unsigned int *)BCM2835_GPIO_REGS_BASE; OUT_GPIO(16);} while(0) +//#define LED_ON() do { unsigned int *gpio = (unsigned int *)BCM2835_GPIO_REGS_BASE; GPIO_CLR = 1 << 16;} while(0) +//#define LED_OFF() do { unsigned int *gpio = (unsigned int *)BCM2835_GPIO_REGS_BASE; GPIO_SET = 1 << 16;} while(0) +// RPi B+ => led 47 +#define LED_INIT() do { unsigned int *gpio = (unsigned int *)BCM2835_GPIO_REGS_BASE; OUT_GPIO(47);} while(0) +#define LED_ON() do { unsigned int *gpio = (unsigned int *)BCM2835_GPIO_REGS_BASE; GPIO_CLR_EXT = 1 << (47 % 32);} while(0) +#define LED_OFF() do { unsigned int *gpio = (unsigned int *)BCM2835_GPIO_REGS_BASE; GPIO_SET_EXT = 1 << (47 % 32);} while(0) #else /* default case is to print */ |