\\:title MAEVARM : Custom Header File:) \\MEAM.Design - Teensy - Custom Header File

The custom teensy_general.h file provides some useful functions. This is a work in progress, and you are highly encouraged to add/modify/update this file and post changes here (just add a new line with your version and notes about what has been added - as time goes by changes will be rolled into official releases).




defines the following useful constants:

FALSE (0)
TRUE (1)
OFF (0)
ON (1)
TOGGLE (2)


provides the following macro functions:

set(register,n) - sets the n-th bit of register
clear(register,n) - clears the n-th bit of register
toggle(register,n) - toggles the n-th bit of register

\\->check(register,n) - returns the state of the n-th bit of register

teensy_disableJTAG() - turn off JTAG port and allow access to F4-F7 as GPIO
teensy_clockdivide(N) - reduces the system clock speed by 2^N (N=0..8)
teensy_wait(ms) - delay the microcontroller for an integer number of milliseconds (assumes a 16 MHz system clock)
teensy_green(state) - set the state of the green on-board LED to OFF, ON, or TOGGLE
teensy_red(state) - set the state of the red on-board LED to OFF, ON, or TOGGLE


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