Trend export

[admin]

Try this, it should fetch values for the given trend for the last hour with one minute resolution:

Code:

require('genohm-scada.trends')

time = os.time()

date = {
  stime = time - 3600,
  etime = time,
}

values = trends.fetch('My Trends Name', 'hour', date)

for _, data in ipairs(values) do
  value = data[ 2 ]

  date = os.date('%Y.%m.%d %H:%M', time)
  log(date, value)

  time = time + 60
end