diff options
| -rw-r--r-- | multiplexer.h | 2 |
1 files changed, 1 insertions, 1 deletions
diff --git a/multiplexer.h b/multiplexer.h index 8240041..ed38ecd 100644 --- a/multiplexer.h +++ b/multiplexer.h @@ -52,7 +52,7 @@ volatile unsigned *gpio; // GPIO setup macros. Always use INP_GPIO(x) before using OUT_GPIO(x) or SET_GPIO_ALT(x,y) #define INP_GPIO(g) *(gpio+((g)/10)) &= ~(7<<(((g)%10)*3)) #define OUT_GPIO(g) *(gpio+((g)/10)) |= (1<<(((g)%10)*3)) -#define SET_GPIO_ALT(g,a) *(gpio+(((g)/10))) |= (((a)<=3?(a)+4:(a)==4?3:2)<<(((g)%10)*3)) +#define SET_GPIO_ALT(g,a) *(gpio+((g)/10)) |= (((a)<=3?(a)+4:(a)==4?3:2)<<(((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 |