diff options
Diffstat (limited to 'nuttx')
| -rw-r--r-- | nuttx/include/nuttx/i2c.h | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/nuttx/include/nuttx/i2c.h b/nuttx/include/nuttx/i2c.h index 7b7b1772c..96c3bf735 100644 --- a/nuttx/include/nuttx/i2c.h +++ b/nuttx/include/nuttx/i2c.h @@ -47,6 +47,11 @@ * Definitions ****************************************************************************/ +/* I2C address calculation. Convert 7-bit address to 8-bit read/write address */ + +#define I2C_READADDR(a) (((a) << 1) | 1) +#define I2C_WRITEADDR(a) ((a) << 1) + /* Access macros */ /**************************************************************************** |