GitHub/cc-mek-scada
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

#559 supervisor updates to handle busy errors

Browse Source
This commit is contained in:
Mikayla Fischler
2025-01-08 19:07:53 -05:00
parent 1190fe2dd5
commit cd4caf0163
9 changed files with 239 additions and 173 deletions
Download Patch File Download Diff File Expand all files Collapse all files

38
supervisor/session/rtu/sna.lua
View File

@@ -80,21 +80,30 @@ function sna.new(session_id, unit_id, advert, out_queue)
-- PRIVATE FUNCTIONS --
-- query the build of the device
local function _request_build()
---@param time_now integer
local function _request_build(time_now)
-- read input registers 1 through 2 (start = 1, count = 2)
self.session.send_request(TXN_TYPES.BUILD, MODBUS_FCODE.READ_INPUT_REGS, { 1, 2 })
if self.session.send_request(TXN_TYPES.BUILD, MODBUS_FCODE.READ_INPUT_REGS, { 1, 2 }) ~= false then
self.periodics.next_build_req = time_now + PERIODICS.BUILD
end
end
-- query the state of the device
local function _request_state()
---@param time_now integer
local function _request_state(time_now)
-- read input registers 3 through 4 (start = 3, count = 2)
self.session.send_request(TXN_TYPES.STATE, MODBUS_FCODE.READ_INPUT_REGS, { 3, 2 })
if self.session.send_request(TXN_TYPES.STATE, MODBUS_FCODE.READ_INPUT_REGS, { 3, 2 }) ~= false then
self.periodics.next_state_req = time_now + PERIODICS.STATE
end
end
-- query the tanks of the device
local function _request_tanks()
---@param time_now integer
local function _request_tanks(time_now)
-- read input registers 5 through 10 (start = 5, count = 6)
self.session.send_request(TXN_TYPES.TANKS, MODBUS_FCODE.READ_INPUT_REGS, { 5, 6 })
if self.session.send_request(TXN_TYPES.TANKS, MODBUS_FCODE.READ_INPUT_REGS, { 5, 6 }) ~= false then
self.periodics.next_tanks_req = time_now + PERIODICS.TANKS
end
end
-- PUBLIC FUNCTIONS --
@@ -152,20 +161,9 @@ function sna.new(session_id, unit_id, advert, out_queue)
-- update this runner
---@param time_now integer milliseconds
function public.update(time_now)
if not self.has_build and self.periodics.next_build_req <= time_now then
_request_build()
self.periodics.next_build_req = time_now + PERIODICS.BUILD
end
if self.periodics.next_state_req <= time_now then
_request_state()
self.periodics.next_state_req = time_now + PERIODICS.STATE
end
if self.periodics.next_tanks_req <= time_now then
_request_tanks()
self.periodics.next_tanks_req = time_now + PERIODICS.TANKS
end
if not self.has_build and self.periodics.next_build_req <= time_now then _request_build(time_now) end
if self.periodics.next_state_req <= time_now then _request_state(time_now) end
if self.periodics.next_tanks_req <= time_now then _request_tanks(time_now) end
self.session.post_update()
end