diff options
Diffstat (limited to 'mqtt-bridge')
-rw-r--r-- | mqtt-bridge/inter.lua | 42 | ||||
-rw-r--r-- | mqtt-bridge/main.lua | 6 | ||||
-rw-r--r-- | mqtt-bridge/mq.lua | 70 | ||||
-rw-r--r-- | mqtt-bridge/wlan.lua | 19 |
4 files changed, 86 insertions, 51 deletions
diff --git a/mqtt-bridge/inter.lua b/mqtt-bridge/inter.lua index 7fc9f73..3b117a9 100644 --- a/mqtt-bridge/inter.lua +++ b/mqtt-bridge/inter.lua @@ -3,36 +3,42 @@ function inter_parse(line) line = string.sub(line, 1, string.find(line, "\r")) - local cmd = nil; + local cmd; local i = string.find(line, ":") - if i == nil then + if not i then -- print("inter_parse: invalid line: no command, line="..line) return end local cmd = string.sub(line, 1, i - 1) -- print("inter_parse: cmd="..cmd) + local last = i + 1 local args = {} - last = i+1 - while i ~= nil do + while i do local key local value i = string.find(line, " ", last) - arg = string.sub(line, last, i) - print("inter_parse: arg: "..arg) - j = string.find(arg, "=") - if j == nil then - key = arg - args[key] = true - -- print("inter_parse: key="..key.."=true") - else - key = string.sub(arg, 1, j-1) - value = string.sub(arg, j+1) - -- print("inter_parse: key="..key..", value="..value) + arg = arg:gsub("%s+", "") + + if #arg > 0 then + print("inter_parse: arg: "..arg) + j = string.find(arg, "=") + if not j then + if #arg > 0 then + key = arg + args[key] = true + print("inter_parse: key="..key.."=true") + end + else + key = string.sub(arg, 1, j-1) + value = string.sub(arg, j+1) + print("inter_parse: key="..key..", value="..value) + end end - if i == nil then + + if not i then break end last = i + 1 @@ -46,7 +52,7 @@ function inter_on_line(line) print("line:"..line) local cmd, args = inter_parse(line) - if cmd == nil then + if not cmd then return end @@ -61,7 +67,5 @@ function inter_init(callback) -- uart.setup(0, 9600, 8, 0, 1, 0) cb = callback - tmr.alarm(0, 1000, 0, function() print("still alive!"); end) uart.on("data", "\r", inter_on_line, 0) - print("inter ready: callback.."..tostring(cb)) end diff --git a/mqtt-bridge/main.lua b/mqtt-bridge/main.lua index 86d51ab..bd8d971 100644 --- a/mqtt-bridge/main.lua +++ b/mqtt-bridge/main.lua @@ -31,6 +31,10 @@ local function read_cfg(name) end function main() + local timers = { + inter = 0, + mqtt = 1 + } local wlan_ssid = read_cfg("wlan-ssid") local wlan_password = read_cfg("wlan-password") @@ -39,7 +43,7 @@ function main() local client_id = "esp8266-"..wifi.sta.getmac() require('mq') - mq_init(client_id) + mq_init(timers.mqtt, client_id) require('inter') inter_init(on_cmd) diff --git a/mqtt-bridge/mq.lua b/mqtt-bridge/mq.lua index 20801e4..dbebe8f 100644 --- a/mqtt-bridge/mq.lua +++ b/mqtt-bridge/mq.lua @@ -1,44 +1,70 @@ local m -local topic -local connected = false +local topic, cid -function mq_connected(con) - print("MQTT connected, con="..tostring(con)) +local function p(msg) + print("MQTT: "..msg) end -function mq_disconnected(con) - print("MQTT disconnected, con="..tostring(con)) - connected = false +local function mq_connected(con) +-- p("connected") end -function mq_client_connected(con) - print("connected="..tostring(con)) +local function mq_disconnected(con) +-- p("disconnected") + m:close() + m = nil +end - connected = true +local function mq_client_connected(con) + p("connected") local majorVer, minorVer, devVer, chipId, flashId, flashSize, flashMode, flashSpeed = node.info() - payload = "{version: '"..majorVer.."."..minorVer.."."..devVer.."', chipId:"..chipId..", flashId:"..flashId..", flashSize:"..flashSize..", flashMode:"..flashMode..", flashSpeed:"..flashSpeed.."}" + payload = '{"version": "'..majorVer..'.'..minorVer..'.'..devVer..'", "chipId":'..chipId..', "flashId":'..flashId..', "flashSize":'..flashSize..', "flashMode":'..flashMode..', "flashSpeed":'..flashSpeed.."}" mq_publish("firmware", payload) end -function mq_init(client_id) - print("MQTT: Configuring") +function mq_on_timer() + -- This crashes the module: + -- local status = wifi.sta.status() + -- p("checking status, status="..status) - topic = "/esp8266/"..client_id + local status = wifi.sta.getip() + p("checking status, status="..status) + + if status and status ~= "0.0.0.0" then + if not m then + p("connecting") - -- client id, keepalive, username, password - m = mqtt.Client(client_id, 120) - m:on("connect", mq_connected) + -- client id, keepalive, username, password + m = mqtt.Client(cid, 120) + m:on("connect", mq_connected) + m:on("offline", mq_disconnected) + + -- host, port, secure, auto_reconnect, function(client), ssl=8883 + m:connect("trygvis.io", 1883, 0, 0, mq_client_connected) + end + else + if m then + p("Lost wifi connection, disconnecting") + m:close() + m = nil + end + end +end + +function mq_init(timer_id, client_id) + p("Configuring") + + topic = "/esp8266/"..client_id + cid = client_id - m:on("offline", mq_disconnected) - -- host, port, secure, auto_reconnect, function(client), ssl=8883 - m:connect("trygvis.io", 1883, 0, 0, mq_client_connected) + tmr.alarm(timer_id, 3 * 1000, 1, mq_on_timer) - print("MQTT: Configured") + p("Configured") end function mq_publish(path, payload) - if connected then + if m then m:publish(topic.."/"..path, payload, 0, 0) end end diff --git a/mqtt-bridge/wlan.lua b/mqtt-bridge/wlan.lua index 5f45c1b..2341301 100644 --- a/mqtt-bridge/wlan.lua +++ b/mqtt-bridge/wlan.lua @@ -4,12 +4,12 @@ local function wait_for_connection(timeout_ms) local timeout = timeout_ms * 1000 repeat - local ip = wifi.sta.getip() + local status = wifi.sta.status() - print("ip="..tostring(ip)) + print("status="..tostring(status)) - if ip then -- and ip ~= "0.0.0.0" then - return ip + if ip == 5 then -- and ip ~= "0.0.0.0" then + return true end tmr.wdclr() @@ -24,10 +24,11 @@ function wlan_init(ssid, password) wifi.setmode(wifi.STATION) wifi.sta.config(ssid, password) - local ip = wait_for_connection(10 * 1000) - if not ip then - panic("Could not establish wlan connection, restarting") - end +-- local ok = wait_for_connection(10 * 1000) +-- if not ok then +-- panic("Could not establish wlan connection, restarting") +-- end - print("WLAN: Configured, ip="..ip) +-- local ip = wifi.sta.getip() +-- print("WLAN: Configured, ip="..ip) end |