From 706bf4d3ba2daa3fe1a731cc6db1f6085e47afa9 Mon Sep 17 00:00:00 2001
From: Mikayla Fischler <mikayla@ky8.io>
Date: Fri, 27 May 2022 18:18:12 -0400
Subject: [PATCH] #9 turbine RTU tester

---
 test/turbine_modbustest.lua | 68 +++++++++++++++++++++++++++++++++++++
 1 file changed, 68 insertions(+)
 create mode 100644 test/turbine_modbustest.lua

diff --git a/test/turbine_modbustest.lua b/test/turbine_modbustest.lua
new file mode 100644
index 0000000..fe167d7
--- /dev/null
+++ b/test/turbine_modbustest.lua
@@ -0,0 +1,68 @@
+require("/initenv").init_env()
+
+local log = require("scada-common.log")
+local ppm = require("scada-common.ppm")
+local types = require("scada-common.types")
+local util = require("scada-common.util")
+
+local testutils = require("test.testutils")
+
+local modbus = require("rtu.modbus")
+local turbine_rtu = require("rtu.dev.turbine_rtu")
+
+local print = util.print
+local println = util.println
+
+local MODBUS_FCODE = types.MODBUS_FCODE
+
+println("starting turbine RTU MODBUS tester")
+println("note: use rs_modbustest to fully test RTU/MODBUS")
+println("      this only tests a turbine/parallel read")
+println("")
+
+-- RTU init --
+
+log.init("/log.txt", log.MODE.NEW)
+
+print(">>> init turbine RTU: ")
+
+ppm.mount_all()
+
+local dev = ppm.get_device("turbine")
+assert(dev ~= nil, "NO_TURBINE")
+
+local t_rtu = turbine_rtu.new(dev)
+
+local di, c, ir, hr = t_rtu.io_count()
+assert(di == 0, "IOCOUNT_DI")
+assert(c == 0, "IOCOUNT_C")
+assert(ir == 16, "IOCOUNT_IR")
+assert(hr == 0, "IOCOUNT_HR")
+
+println("OK")
+
+local t_modbus = modbus.new(t_rtu, true)
+
+local mbt = testutils.modbus_tester(t_modbus, MODBUS_FCODE.ERROR_FLAG)
+
+----------------------
+--- READING INPUTS ---
+----------------------
+
+println(">>> reading inputs:")
+
+print("read ir {1,1}: ")
+mbt.pkt_set(MODBUS_FCODE.READ_INPUT_REGS, {1, 1})
+mbt.test_success__handle_packet()
+
+print("read ir {2,1}: ")
+mbt.pkt_set(MODBUS_FCODE.READ_INPUT_REGS, {2, 1})
+mbt.test_success__handle_packet()
+
+print("read ir {1,16}: ")
+mbt.pkt_set(MODBUS_FCODE.READ_INPUT_REGS, {1, 16})
+mbt.test_success__handle_packet()
+
+println("PASS")
+
+println("TEST COMPLETE")