gurre/attiny85-on-sierra.md

## attiny85-on-sierra.md

      
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              attiny85-on-sierra.md
            
          
    How to program the ATTiny85 on MacOS Sierra

Check MacOS version

$ sw_vers 
ProductName:	Mac OS X
ProductVersion:	10.11.6
BuildVersion:	15G1611
Check usb connected

No driver should be necessary. Beware that it does not show up as a serial port
system_profiler SPUSBDataType | grep USBtinySPI
# USBtinySPI:
#   Product ID: 0x0c9f
#    Vendor ID: 0x1781
#    Version: 1.04
#    Serial Number: 512
#    Speed: Up to 1.5 Mb/sec
#    Location ID: 0x14243000 / 17
#    Current Available (mA): 1000
#    Current Required (mA): 200
#    Extra Operating Current (mA): 0
Test with different cables and USB hubs. The ports on the computer might not work bco USB3.
Setup and compile using Arduino


In Arduino go 'Preferences'->'Additional Boards Manager URLs' and add https://raw.githubusercontent.com/damellis/attiny/ide-1.6.x-boards-manager/package_damellis_attiny_index.json.
Go 'Tools'->'Boards' and choose 'ATtiny 25/45/85'
Go 'Tools'->'Programmer' choose 'USBtinyISP'
Go 'Sketch'->'Export compiled binary'

Upload

Download and compile micronucleus using make CONFIG=t85_default.
Finally we upload to device:
micronucleus --run Blink.hex/Blink.hex.ino.tiny8.hex

http://littlewire.github.io/