changed ppm to not wrap under ppm() function

scada-common/ppm.lua

@@ -4,7 +4,6 @@
 -- Protected Peripheral Manager
 --
 
-function ppm()
 local self = {
     mounts = {}
 }
@@ -28,7 +27,7 @@ function ppm()
 end
 
 -- mount all available peripherals (clears mounts first)
-    local mount_all = function ()
+function mount_all()
     local ifaces = peripheral.getNames()
 
     self.mounts = {}
@@ -41,7 +40,7 @@ function ppm()
 end
 
 -- mount a particular device
-    local mount = function (name)
+function mount(name)
     local ifaces = peripheral.getNames()
     local pm_dev = nil
 
@@ -62,7 +61,7 @@ function ppm()
 end
 
 -- handle peripheral_detach event
-    local unmount_handler = function (iface)
+function unmount_handler(iface)
     -- what got disconnected?
     local lost_dev = self.mounts[iface]
     local type = lost_dev.type
@@ -73,22 +72,22 @@ function ppm()
 end
 
 -- list all available peripherals
-    local list_avail = function ()
+function list_avail()
     return peripheral.getNames()
 end
 
 -- list mounted peripherals
-    local list_mounts = function ()
+function list_mounts()
     return self.mounts
 end
 
 -- get a mounted peripheral by side/interface
-    local get_periph = function (iface)
+function get_periph(iface)
     return self.mounts[iface].device
 end
 
 -- get a mounted peripheral by type
-    local get_device = function (name)
+function get_device(name)
     local device = nil
 
     for side, data in pairs(self.mounts) do
@@ -102,7 +101,7 @@ function ppm()
 end
 
 -- list all connected monitors
-    local list_monitors = function ()
+function list_monitors()
     local monitors = {}
 
     for side, data in pairs(self.mounts) do
@@ -113,15 +112,3 @@ function ppm()
 
     return monitors
 end
-
-    return {
-        mount_all = mount_all,
-        mount = mount,
-        umount = unmount_handler,
-        list_avail = list_avail,
-        list_mounts = list_mounts,
-        get_periph = get_periph,
-        get_device = get_device,
-        list_monitors = list_monitors
-    }
-end