taskPanel.py File Reference

Task for creating, calibrating, and operating the touch panel object. More...

Functions
def	taskPanel.taskPanelFcn (str taskName, int period, shares.Share x_position_signal, shares.Share y_position_signal, shares.Share ball_detected, shares.Share panelCalStatus, PrintQueue print_queue, shares.Share touch_calib_status, shares.Share imu_calib_status, shares.Share x_pos_deriv_signal, shares.Share y_pos_deriv_signal)
	Continuously reads touch panel position. More...

Variables
	taskPanel.S0_READ = micropython.const(0)
	State 0. More...
	taskPanel.S1_CALIB = micropython.const(1)
	State 1. More...

Detailed Description

Task for creating, calibrating, and operating the touch panel object.

If no calibration file exists, this task first runs the calibration method. The coefficients are then stored in a text file on the pyBoard for later use. If the file already exists, the task skips the calibration process and uses the values from the existing file. This progression can be seen in the state diagram below.

Author

Caleb Savard

Chris Linthacum

Date

March 17, 2022

Function Documentation

taskPanelFcn()

def taskPanel.taskPanelFcn	(	str	taskName,
		int	period,
		shares.Share	x_position_signal,
		shares.Share	y_position_signal,
		shares.Share	ball_detected,
		shares.Share	panelCalStatus,
		PrintQueue	print_queue,
		shares.Share	touch_calib_status,
		shares.Share	imu_calib_status,
		shares.Share	x_pos_deriv_signal,
		shares.Share	y_pos_deriv_signal
	)

Continuously reads touch panel position.

Each run, updates shared variables with touch panel ball position

Parameters

taskName	Task name label for debugging purposes
period	Period to run taskPanelFcn
x_position_signal	Shared variable to store x position of the ball
y_position_signal	Shared variable to story y position of the ball
ball_detected	Shared variable to store boolean of whether or not the ball is detected
panelCalStatus	Shared variable to store whether or not the panel is calibrated.
print_queue	Print Queue object for passing print messages to the taskUser.
touch_calib_status	Shared variable for whether the touch calibration status is true or false.
imu_calib_status	Shared variable for whether or not the IMU has been calibrated. (Will not attempt to calibrate touch panel until IMU is complete.)
x_pos_deriv_signal	Shared variable to store x position derivative
y_pos_deriv_signal	Shared variable to store y position derivative

Variable Documentation

S0_READ

taskPanel.S0_READ = micropython.const(0)

State 0.

Const() value for the read state

S1_CALIB

taskPanel.S1_CALIB = micropython.const(1)

State 1.

Cosnt() value for the calibration state