Support the Atmel STK500 development board for ISP

Author: matthijskooijman

hardware/arduino/avr/programmers.txt

@@ -44,3 +44,15 @@ arduinoasisp.program.protocol=stk500v1
 arduinoasisp.program.speed=19200
 arduinoasisp.program.tool=avrdude
 arduinoasisp.program.extra_params=-P{serial.port} -b{program.speed}
+
+# STK500 firmware version v1 and v2 use different serial protocols.
+# Using the 'stk500' protocol tells avrdude to try and autodetect the
+# firmware version. If this leads to problems, we might need to add
+# stk500v1 and stk500v2 entries to allow explicitely selecting the
+# firmware version.
+stk500.name=Atmel STK500 development board
+stk500.communication=serial
+stk500.protocol=stk500
+stk500.program.protocol=stk500
+stk500.program.tool=avrdude
+stk500.program.extra_params=-P{serial.port}