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Code Issues Releases Wiki Activity

Initial API replacement to use new printer driver (limited functionality).

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This commit is contained in:
Wouter R 2013-09-17 00:14:42 +02:00
parent c1fa030b97
commit 8a7162330b
1 changed files with 88 additions and 88 deletions
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94
src/rest/api/api_printer.lua
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@ -2,6 +2,7 @@ local lfs = require('lfs')
local log = require('util.logger')
local utils = require('util.utils')
local settings = require('util.settings')
local printDriver = require('print3d')
local M = {
isApi = true
@ -14,21 +15,29 @@ local PROGRESS_FILE = 'progress2.out'
local COMMAND_FILE = 'command.in'
local GCODE_TMP_FILE = 'combined.gc'
-- returns full path + ultifi path or nil
local function printerExists(id)
if id == nil then return nil end
local path = '/dev/ttyACM' .. id
local upath = ULTIFI_BASE_PATH .. '/ttyACM' .. id
if utils.exists(path) then return path,upath end
path = '/dev/ttyUSB' .. id
upath = ULTIFI_BASE_PATH .. '/ttyUSB' .. id
if utils.exists(path) then return path,upath end
--NEW
--returns a printer instance or nil (and sets error state on response in the latter case)
local function createPrinterOrFail(deviceId, response)
local msg,printer = nil, nil
if deviceId and deviceId ~= "" then
printer,msg = printDriver.getPrinter(deviceId)
else
msg = "missing device ID"
end
if not printer then
response:setError("could not open printer driver (" .. msg .. ")")
response:addData('id', deviceId)
return nil
end
return printer
end
-- returns printerId,devicePath,ultifiPath or nil if printer does not exist
-- when nil is returned, response has already been set as an error
local function getPrinterDataOrFail(request, response)
@ -50,6 +59,23 @@ local function getPrinterDataOrFail(request, response)
return id,devpath,ultipath
end
-- returns full path + ultifi path or nil
local function printerExists(id)
if id == nil then return nil end
local path = '/dev/ttyACM' .. id
local upath = ULTIFI_BASE_PATH .. '/ttyACM' .. id
if utils.exists(path) then return path,upath end
path = '/dev/ttyUSB' .. id
upath = ULTIFI_BASE_PATH .. '/ttyUSB' .. id
if utils.exists(path) then return path,upath end
return nil
end
-- assumes printerPath exists, returns true if successful, false if command file already exists and is non-empty (i.e. printer busy),
-- nil+err if file could not be opened
local function sendGcode(printerPath, gcode)
@ -137,48 +163,22 @@ function M._global(request, response)
end
--requires id(int)
--accepts with_raw(bool) to include raw printer response
--accepts with_raw(bool) to include raw printer response (currently not implemented)
function M.temperature(request, response)
local withRaw = utils.toboolean(request:get("with_raw"))
local argId,devpath,ultipath = getPrinterDataOrFail(request, response)
if argId == nil then return end
local f = io.open(ultipath .. '/' .. TEMPERATURE_FILE)
if not f then
response:setError("could not open temperature file")
response:addData('id', argId)
return
end
local tempText = f:read('*all')
f:close()
local hotend, hotendTarget, bed, bedTarget = tempText:match('T:(.*)%s+/(.*)%s+B:(.*)%s/(.*)%s+@.*')
local argId = request:get("id")
local printer,msg = createPrinterOrFail(argId, response)
if not printer then return end
response:setSuccess()
if withRaw then response:addData('raw', tempText) end
-- After pressing print it waits until it's at the right temperature.
-- it then stores temperature in the following format
-- T:204.5 E:0 W:?
if(hotend == nil) then
local hotend = tempText:match('T:([%d%.]*).*')
response:addData('hotend', hotend)
else
response:addData('hotend', hotend)
response:addData('bed', bed)
response:addData('hotend_target', hotendTarget)
response:addData('bed_target', bedTarget)
end
-- get last modified time
local file_attr = lfs.attributes(ultipath .. '/' .. TEMPERATURE_FILE)
local last_mod = file_attr.modification
local last_mod = os.difftime (os.time(),last_mod)
response:addData('last_mod', last_mod)
response:addData('id', argId)
response:addData('hotend', printer:getTemperature())
-- TODO: reimplement the following fields
-- if withRaw then response:addData('raw', tempText) end
-- response:addData('bed', printer:getBedTemperature())
-- response:addData('hotend_target', printer:getHotendTargetTemperature())
-- response:addData('bed_target', printer:getBedTargetTemperature())
-- response:addData('last_mod', printer:getLastTemperatureUpdate())
end
--requires id(int)