26.1.5.3 i2c_m_async_set_slaveaddr
Set the slave device address.
int32_t i2c_m_async_set_slaveaddr(
struct i2c_m_async_desc *const i2c,
int16_t addr,
int32_t addr_len
)
This function sets the next transfer target slave I2C device address. It takes no effect to an already started access.
Parameters
- i2c
-
Type: struct i2c_m_async_desc Struct *const
An I2C master descriptor, which is used to communicate through I2C
- addr
-
Type: int16_t
The slave address to access
- addr_len
-
Type: int32_t
The slave address length, can be I2C_M_TEN or I2C_M_SEVEN
Returns
Type: int32_t
Masked slave address. The mask is maximum a 10-bit address, and the 10th bit set if 10-bit address is used