platformio.ini

; PlatformIO Project Configuration File
;
;   Build options: build flags, source filter
;   Upload options: custom upload port, speed and extra flags
;   Library options: dependencies, extra library storages
;   Advanced options: extra scripting
;
; Please visit documentation for the other options and examples
; https://docs.platformio.org/page/projectconf.html

[env:attiny85_via_ArduinoISP]
platform = atmelavr
board = attiny85
framework = arduino
; Fuse settings voor 8 MHz
; Zie https://www.engbedded.com/fusecalc/
; low byte bit 7 = CKDIV8 (1 = geen divider)
board_fuses.lfuse = 0xE2
; high byte bit 3 = EESAVE (0 voorkomt wissen EEPROM)
; high byte bits 2-0 = BODLEVEL2-BODLEVEL0 (101 = 2,7 V)
board_fuses.hfuse = 0xD5
board_fuses.efuse = 0xFF
upload_protocol = custom
upload_port = COM3
upload_speed = 19200
upload_flags =
  -C
  ${platformio.packages_dir}/tool-avrdude/avrdude.conf
  -p
  $BOARD_MCU
  -P
  $UPLOAD_PORT
  -b
  $UPLOAD_SPEED
  -c
  stk500v1
upload_command = avrdude $UPLOAD_FLAGS -U flash:w:$SOURCE:i