Syntax:
<test condition> I2CAckPollState
Command Availability:
Available on all microcontrollers except 12 bit instruction Microchip PIC microcontrollers (10F, 12F5xx, 16F5xx chips)
Explanation:
Should only be used when I2C routines are operating in Master mode, this command will return the last state of the acknowledge response from a specific I2C device on the I2C bus.
I2CACKPOLL
sets the state of variable I2CAckPollState
. I2CAckPollState
can only read - it cannot be set.
Example:
... ' ACK polling removes the need to for the 24xxxxx device to have a 5ms write time I2CACKPOLL( eeprom_device ) ' You check the exit state, ' Use I2CAckPollState to check the state of a target device ...
Supported in <I2C.H>