Arduino 1.8.x needs a programmers.txt for each core

Author: nerdralph

avr/programmers.txt

@@ -0,0 +1,36 @@
+# picoCore programmers - template from ATTinyCore
+# github.com/SpenceKonde/ATTinyCore 
+
+avrisp.name=AVR ISP
+avrisp.communication=serial
+avrisp.protocol=stk500v1
+avrisp.program.tool=avrdude
+avrisp.program.protocol=stk500v1
+avrisp.program.tool=avrdude
+avrisp.program.extra_params=-P{serial.port}
+
+avrispmkii.name=AVRISP mkII
+avrispmkii.communication=usb
+avrispmkii.protocol=stk500v2
+avrispmkii.program.protocol=stk500v2
+avrispmkii.program.tool=avrdude
+avrispmkii.program.extra_params=-Pusb
+
+usbtinyisp.name=USBtinyISP
+usbtinyisp.protocol=usbtiny
+usbtinyisp.program.tool=avrdude
+
+usbasp.name=USBasp
+usbasp.communication=usb
+usbasp.protocol=usbasp
+usbasp.program.tool=avrdude
+usbasp.program.extra_params=
+
+arduinoasisp.name=Arduino as ISP
+arduinoasisp.communication=serial
+arduinoasisp.protocol=stk500v1
+arduinoasisp.speed=19200
+arduinoasisp.program.protocol=stk500v1
+arduinoasisp.program.speed=19200
+arduinoasisp.program.tool=avrdude
+arduinoasisp.program.extra_params=-P{serial.port} -b{program.speed}