Commit accelerometer demo

demo/accelerometerDemo.lua

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+require "cord"
+require "svcd"
+sh = require "stormsh"
+
+ACC = require "accel"
+
+-- start a coroutine that provides a REPL
+sh.start()
+
+MyDeviceName = "Accelerometer Demo"
+
+cord.new(function()
+    cord.await(SVCD.init, MyDeviceName)
+    -- The second parameter specifies verbose mode.
+	-- BEARCAST.init(MyDeviceName, true)
+
+    --here you can add extra services or extra logic
+    --for example, display a mesage after a while:
+    --[[storm.os.invokeLater(10*storm.os.SECOND, function()
+        cord.new(function()
+            BEARCAST.postToClosestDisplay(MyDeviceName.." has started up")
+        end)
+    end)]]--
+
+    -- or add an echo service that will appear on 15.4 and bluetooth
+    -- the service numbers are listed in the manifest:
+    -- https://github.com/UCB-IoET/svc/blob/master/manifest.json
+    -- Feel free to add new ones by sending pull requests
+    local echomsg = "unset"
+    SVCD.add_service(0x300c)
+    -- Attributes are similarly listed in the manifest
+    SVCD.add_attribute(0x300c, 0x4018, function(value)
+        -- this function is executed when the attribute is changed
+        echomsg = value
+        -- notify future readers and currently subscribed clients of the
+        -- new value
+        SVCD.notify(0x300c, 0x4018, echomsg)
+        -- also for fun send it to the nearest monitor
+        --[[cord.new(function()
+            BEARCAST.postToClosestDisplay("Got echo msg '"..echomsg.."'")
+        end)]]--
+    end)
+
+    -- DEVICE-SPECIFIC CODE
+    SVCD.add_service(0x3005)
+    SVCD.add_attribute(0x3005, 0x4009, function (value, srcip, srcport)
+        --cord.new(function ()
+            print("Attempt to change reading to " .. value)
+        --end)]]
+    end)
+
+    local acc = ACC:new()
+    acc:init()
+    local arr = storm.array.create(6, storm.array.INT16)
+    -- Notify the accelerometer reading every second
+    cord.new(function ()
+        while true do
+            local ax, ay, az, mx, my, mz
+            ax, ay, az, mx, my, mz = acc:get()
+            arr:set(1, ax)
+            arr:set(2, ay)
+            arr:set(3, az)
+            arr:set(4, mx)
+            arr:set(5, my)
+            arr:set(6, mz)
+            SVCD.notify(0x3005, 0x4009, arr:as_str())
+            cord.await(storm.os.invokeLater, storm.os.SECOND)
+        end
+    end)
+end)
+
+
+-- enter the main event loop. This puts the processor to sleep
+-- in between events
+cord.enter_loop()

demo/build_accelerometerDemo.lua

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+#!/usr/bin/env lua
+
+-- RUN THIS FILE FROM THE ROOT DIRECTORY (containing contrib, toolchain etc)
+
+-- This is the build configuration file.
+
+-- this file will be automatically run on startup. If it terminates, the node
+-- will drop to a debug shell. If this file is not specified, the node will
+-- enter the shell immediately.
+autorun = "ioet_contrib/demo/accelerometerDemo.lua"
+
+-- These are files that will be available as libraries. The name sets how they
+-- are 'require()'ed.
+libs = { --<< EDIT ME
+    cord    = "ioet_contrib/lib/cord.lua",
+    stormsh = "ioet_contrib/lib/stormsh.lua",
+    svcd = "ioet_contrib/lib/svcd/svcd.lua",
+    bearcast = "ioet_contrib/lib/bearCast/bearcast.lua",
+    reg = "ioet_contrib/lib/i2creg.lua",
+    accel = "ioet_contrib/lib/accelerometer.lua"
+}
+
+
+-- If this is true, the toolchains will automatically check for updates when
+-- you program
+autoupdate = true
+
+-- if true, this will reflash the kernel. This slows down programming, and is
+-- not necessary unless you have been told there are kernel updates.
+reflash_kernel = true
+
+-- these get passed to the kernel makefile
+kernel_opts = {
+    quiet = true, -- if set to false, you will see kernel debug messages
+    eth_shield = false -- set to true to enable the ethernet shield
+}
+
+
+----
+dofile("toolchains/storm_elua/build_support.lua")
+go_build()