added som documentation for other contributors

2011-02-11 23:54:13 +01:00
parent bfd8cfa7dd
commit f423852657
2 changed files with 52 additions and 0 deletions
--- a/doc/resources.txt
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+Allocation of AVR peripherals in Grbl
+=====================================
+
+See config.h for pin allocation.
+
+The UART is handled by 'wiring_serial' and used primarily for streaming gcode
+
+16 bit Timer 1 and the TIMER1_COMPA interrupt is used by the 'stepper' module to handle step events
+
+8 bit Timer 2 and the TIMER2_OVF interrupt is used by the 'stepper' module to reset the step pins 
+after a step event
+
+