UI_front.py File Reference

This file contains the UI front-end which runs on the PC and receives user input. More...

Namespaces
	Lab0x03
	This package contains UI_front.py, main.py.

Functions
def	UI_front.kb_cb (key)
	Callback function which is called when a key has been pressed. More...
def	UI_front.sendVals ()
	Callback function which is called when a key has been pressed. More...

Variables
	UI_front.ser = serial.Serial(port = 'COM5', baudrate = 115200, timeout = 5)
	Implementation of serial communication.
string	UI_front.last_key = ''
	The input key pressed by the user.
	UI_front.time = array.array('f')
	Array keeping track of time stamps.
	UI_front.data = array.array('f')
	Array keeping track of ADC counts.
	UI_front.file1 = open('voltvstime.csv', 'w')
string	UI_front.line = "%f, %f\n" % (time[n], data[n])

Detailed Description

This file contains the UI front-end which runs on the PC and receives user input.

Function Documentation

kb_cb()

def UI_front.kb_cb

(

key

)

Callback function which is called when a key has been pressed.

Parameters

key	String representation of the key pressed by the user.

Returns

last_key String representation of the last key pressed by the user, stored as a global variable.

sendVals()

def UI_front.sendVals

(

)

Callback function which is called when a key has been pressed.

Waits for the 'G' key press from the user. Once the key is pressed, sends the character over to the Nucleo to signal the start of data capture. Receives the captured data back from the Nucleo™ and arranges it into the time and data arrays.

Returns

Returns nothing.