Add tc08Examples/tc08StreamingModeExample.py

Author: neil.hamilton

tc08Examples/tc08StreamingModeExample.py

@@ -0,0 +1,59 @@
+#
+# Copyright (C) 2019 Pico Technology Ltd. See LICENSE file for terms.
+#
+# TC-08 SINGLE MODE EXAMPLE
+
+
+import ctypes
+import numpy as np
+import time
+from picosdk.usbtc08 import usbtc08 as tc08
+from picosdk.functions import assert_pico2000_ok
+
+# Create chandle and status ready for use
+chandle = ctypes.c_int16()
+status = {}
+
+# open unit
+status["open_unit"] = tc08.usb_tc08_open_unit()
+assert_pico2000_ok(status["open_unit"])
+chandle = status["open_unit"]
+
+# set mains rejection to 50 Hz
+status["set_mains"] = tc08.usb_tc08_set_mains(chandle,0)
+assert_pico2000_ok(status["set_mains"])
+
+# set up channel
+# therocouples types and int8 equivalent
+# B=66 , E=69 , J=74 , K=75 , N=78 , R=82 , S=83 , T=84 , ' '=32 , X=88 
+typeK = ctypes.c_int8(75)
+status["set_channel"] = tc08.usb_tc08_set_channel(chandle, 1, typeK)
+assert_pico2000_ok(status["set_channel"])
+
+# get minimum sampling interval in ms
+status["get_minimum_interval_ms"] = tc08.usb_tc08_get_minimum_interval_ms(chandle)
+assert_pico2000_ok(status["get_minimum_interval_ms"])
+
+# set tc-08 running
+status["run"] = tc08.usb_tc08_run(chandle, status["get_minimum_interval_ms"])
+assert_pico2000_ok(status["run"])
+
+time.sleep(2)
+
+# collect data 
+temp_buffer = (ctypes.c_float * 2 * 15)()
+times_ms_buffer = (ctypes.c_int32 * 15)()
+overflow = ctypes.c_int16()
+status["get_temp"] = tc08.usb_tc08_get_temp(chandle, ctypes.byref(temp_buffer), ctypes.byref(times_ms_buffer), 15, ctypes.byref(overflow), 1, 0, 1)
+assert_pico2000_ok(status["get_temp"])
+
+# stop unit
+status["stop"] = tc08.usb_tc08_stop(chandle)
+assert_pico2000_ok(status["stop"])
+
+# close unit
+status["close_unit"] = tc08.usb_tc08_close_unit(chandle)
+assert_pico2000_ok(status["close_unit"])
+
+# display status returns
+print(status)