diff options
Diffstat (limited to 'platforms/avr/drivers/i2c_master.c')
| -rw-r--r-- | platforms/avr/drivers/i2c_master.c | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/platforms/avr/drivers/i2c_master.c b/platforms/avr/drivers/i2c_master.c index 524494c99d..58939f3e00 100644 --- a/platforms/avr/drivers/i2c_master.c +++ b/platforms/avr/drivers/i2c_master.c @@ -23,6 +23,7 @@ #include "i2c_master.h" #include "timer.h" #include "wait.h" +#include "util.h" #ifndef F_SCL # define F_SCL 400000UL // SCL frequency @@ -37,8 +38,6 @@ #define TWBR_val (((F_CPU / F_SCL) - 16) / 2) -#define MAX(X, Y) ((X) > (Y) ? (X) : (Y)) - void i2c_init(void) { TWSR = 0; /* no prescaler */ TWBR = (uint8_t)TWBR_val; |