first commit

Software/Ruby/tests/test_write_digital.rb

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+#!/usr/bin/env ruby
+
+require '../grove_pi'
+
+firmware_version_bytes = GrovePi.read_firmware_version
+
+print "Firmware: #{firmware_version_bytes[0]}.\
+#{firmware_version_bytes[1]}.\
+#{firmware_version_bytes[2]}
+Test    : Write digital value to port D3
+========================================
+
+"
+
+while true
+  GrovePi.write_digital GrovePi::D3, 1
+  puts '[+] Tick: ON'
+  sleep 1
+
+  GrovePi.write_digital GrovePi::D3, 0
+  puts '[+] Tock: OFF'
+  sleep 1
+
+  puts '[+] End of cycle'
+  puts
+end