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

[platformio]
default_envs = Upload_UART ; Default build target


; Common settings for all environments
[env]
platform = atmelavr
framework = arduino

; TARGET SETTINGS
; Chip in use
board = ATmega328P
; Clock frequency in [Hz]
board_build.f_cpu = 1000000L

; BUILD OPTIONS
; Comment out to enable LTO (this line unflags it)
; build_unflags = -flto
; Extra build flags
build_flags = 

; SERIAL MONITOR OPTIONS
; Serial monitor port defined in the Upload_UART environment
monitor_port = ${env:Upload_UART.upload_port}
; Serial monitor baud rate
monitor_speed = 9600
upload_speed=19200


; Run the following command to upload with this environment
; pio run -e Upload_UART -t upload
[env:Upload_UART]
; Serial bootloader protocol
upload_protocol = urclock
; Serial upload port
upload_port = /dev/cu.usbserial*
; Set upload baudrate. Can be changed on the fly if using Urboot
board_upload.speed = ${env:fuses_bootloader.board_bootloader.speed}


; Run the following command to upload with this environment
; pio run -e Upload_ISP -t upload
[env:Upload_ISP]
; Custom upload procedure
upload_protocol = custom
; Avrdude upload flags
upload_port = COM3
upload_flags =
  -C${platformio.packages_dir}/tool-avrdude/avrdude.conf
  -p$BOARD_MCU
  -b$UPLOAD_SPEED
  -P$UPLOAD_PORT
  -cstk500v1
; Avrdude upload command    
upload_command = avrdude $UPLOAD_FLAGS -U flash:w:$SOURCE:i


; Run the following command to set fuses
; pio run -e fuses_bootloader -t fuses
; Run the following command to set fuses + burn bootloader
; pio run -e fuses_bootloader -t bootloader
[env:fuses_bootloader]  
board_hardware.oscillator = internal ; Oscillator type
board_bootloader.type = no_bootloader       ; urboot, optiboot or no_bootloader
board_bootloader.speed = 115200      ; Bootloader baud rate
board_hardware.uart = uart0          ; Set UART to use for serial upload
board_hardware.bod = disabled          ; Set brown-out detection
board_hardware.eesave = yes          ; Preserve EEPROM when uploading using programmer
upload_protocol = usbasp             ; Use the USBasp as programmer
upload_flags =                       ; Select USB as upload port and divide the SPI clock by 8
  -PUSB
  -B8