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I want to write/read a integer/ long integer on a I2C device, but all the routines I have supports only character(single byte) writing/ reading from I2C device. Can anyone help me?
The Keil compiled does not execute shift 8, it is 'smart'enough to realize that shift 8 means 'grab the other byte'. Thus shift 8 is fast and simple. Erik
"The Keil compiled does not execute shift 8, it is 'smart'enough to realize that shift 8 means 'grab the other byte'. Thus shift 8 is fast and simple." Yes; that's why I said, "Shifting is portable but may be slow; The others are non-portable, but likely to be fast." (now with added emphasis). Portability is definite; performance depends on the implementation - and which is the most important depends upon the requirements of the application!