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Grove-mini-trackball-demo-EVE.spin2
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Grove-mini-trackball-demo-EVE.spin2
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{
----------------------------------------------------------------------------------------------------
Filename: Grove-mini-trackball-demo-EVE.spin2
Description: Demo of the Grove I2C mini-trackball
* EVE display output
Author: Jesse Burt
Started: Jan 1, 2024
Updated: Sep 3, 2024
Copyright (c) 2024 - See end of file for terms of use.
----------------------------------------------------------------------------------------------------
}
CON
_clkfreq = 180_000_000
_xtlfreq = 20_000_000
' Uncomment one of the following, depending on your display size/resolution
' NOTE: WIDTH, HEIGHT, XMAX, YMAX, CENTERX, CENTERY symbols are defined
' in the display timings file.
#include "eve3-lcdtimings.800x480.spinh"
'#include "eve3-lcdtimings.480x272.spinh"
'#include "eve3-lcdtimings.320x240.spinh"
'#include "eve3-lcdtimings.320x102.spinh"
OBJ
ser: "com.serial.terminal.ansi" | SER_BAUD=2_000_000
lcd: "display.lcd.bt81x" | CS=0, SCK=1, MOSI=2, MISO=3, RST=4
pointer: "input.pointer.grove-mini-trackball" | SCL=0, SDA=1, I2C_FREQ=100_000
PUB main() | i
setup()
pointer.set_abs_x_max(WIDTH-1)
pointer.set_abs_y_max(HEIGHT-1)
pointer.set_abs_x_min(0)
pointer.set_abs_y_min(0)
pointer.set_sensitivity_x(8)
pointer.set_sensitivity_y(8)
pointer.set_abs_x(WIDTH/2)
pointer.set_abs_y(HEIGHT/2)
repeat
pointer.read_x()
pointer.read_y()
ser.pos_xy(0, 5)
ser.printf(@"x: %5.5d y: %5.5d", pointer.abs_x(), pointer.abs_y())
lcd.wait_rdy()
lcd.dl_start()
lcd.clear_screen(0)
lcd.color_rgb24($ff_ff_ff)
lcd.point_size(16*10)
lcd.plot(pointer.abs_x(), pointer.abs_y())
lcd.dl_end()
PUB setup()
ser.start()
ser.clear()
ser.strln(@"Serial terminal started")
if ( lcd.start(@_disp_setup) )
ser.strln(@"EVE started")
else
ser.strln(@"EVE failed to start - halting")
repeat
if ( pointer.start() )
ser.strln(@"Trackball driver started")
else
ser.strln(@"Trackball driver failed to start - halting")
repeat
DAT
{
Copyright 2024 Jesse Burt
Permission is hereby granted, free of charge, to any person obtaining a copy of this software and
associated documentation files (the "Software"), to deal in the Software without restriction,
including without limitation the rights to use, copy, modify, merge, publish, distribute,
sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:
The above copyright notice and this permission notice shall be included in all copies or
substantial portions of the Software.
THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING BUT
NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT
OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
}