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i2c_read_char

int i2c_read_char( char * ch );

Description

Reads 8 bits from the slave. Allows for clocks stretching on all SCL going high. This is not in the protocol for I²C, but allows I²C slaves to be implemented on slower devices.

Parameters

ch

A one character return buffer.

Return value

 0: Success.
-1: Clock stretching timeout.

Library

I2C.LIB

See also

Technical Note 215, Using the I2C Bus with a Rabbit Microprocessor.