Connected LaunchPad Trigger On Pushbutton

Connected LaunchPad Trigger On Pushbutton

local push_button1 = alias['usrsw1'] -- Dataport pushes sent to (counter value)
local emailaddr = nil -- format is 'me@here.com' 
local phone_number = nil  -- format is: '+1aaabbbcccc' if you have SMS and want to try it out

local timeformat = '%F %T %Z'

-- note, if alert sent not long ago, will skip so it doesn't waste your available alert messgaes (emails/day, sms bucket)
local last_alert = 0 
local last_value = push_button1.value or 0
local alert_period_threshold = 15 -- seconds to limit alerts from sending too often (i.e. won't send two in this time window)


-- Main Loop --

debug('starting')
while true do
  local ts = push_button1.wait() -- this blocks until new value comes into dataport
  local push_counter = push_button1[ts] --get value at timestamp
  
  -- Check if different (since value is sent no matter change on device)
  if push_counter ~= nil and push_counter > last_value then
    local alert_msg = 'Connected LaunchPad Alert, new button pushes count: '.. tostring(push_counter)
    debug('alert message: '..tostring(alert_msg))
    
    -- Check if we should send alert or if it is in the last alert window
    if last_alert + alert_period_threshold < now then
      debug('send alerts')
      -- Send Email if emailaddr supplied
      if emailaddr ~= nil then
        local emailheader = 'Connected LaunchPad Alert Message'
        debug('sending email alert to: '..tostring(emailaddr))
        email(emailaddr,emailheader,'Alert Message: '..alert_msg..'\r\nTime: '..date(timeformat,ts))
      else
        debug('no email address found')
      end
      
      -- Note, SMS alerts must be added to an account to receive SMS alerts
      if phone_number ~= nil then
        debug('sending sms alert to: '..tostring(phone_number))
        sms(phone_number,'CLP Alert: '..alert_msg)
      else
        debug('no phone number found')
      end
    end
    -- update last alert time
    last_alert = now
  end
  
  -- Update last value
  last_value = push_counter
  push_button1.last = now --start waiting now
end