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ugfx/demos/modules/ginput_touch_driver_test/main.c

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/*
ChibiOS/GFX - Copyright (C) 2012
Joel Bodenmann aka Tectu <joel@unormal.org>
This file is part of ChibiOS/GFX.
ChibiOS/GFX is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
ChibiOS/GFX is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "ch.h"
#include "hal.h"
#include "chprintf.h"
#include "gfx.h"
static GConsoleObject gc;
static GButtonObject gNext;
static GButtonObject gPrev;
static GListener gl;
/*------------------------------------------------------------------------*
* GINPUT Touch Driver Calibrator. *
*------------------------------------------------------------------------*/
int main(void) {
GSourceHandle gs, gsNext, gsPrev;
GEvent *pe;
GEventMouse *pem;
GEventGWinButton *peb;
coord_t swidth, sheight;
GHandle ghc, ghNext, ghPrev;
BaseSequentialStream *gp;
GEventType deviceType;
font_t font;
halInit(); // Initialise the Hardware
chSysInit(); // Initialize the OS
gdispInit(); // Initialize the display
// Get the display dimensions
swidth = gdispGetWidth();
sheight = gdispGetHeight();
ghNext = ghPrev = 0;
// Create our title
font = gdispOpenFont("UI2");
gdispFillStringBox(0, 0, swidth, 20, "Touch Calibration", font, Red, White, justifyLeft);
// Create our main display window
ghc = gwinCreateConsole(&gc, 0, 20, swidth, sheight-20, font);
gwinClear(ghc);
gp = gwinGetConsoleStream(ghc);
// Initialize the mouse in our special no calibration mode.
geventListenerInit(&gl);
gs = ginputGetMouse(9999);
geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);
/*
* Test: Device Type
*/
StepDeviceType:
gwinClear(ghc);
gwinSetColor(ghc, Yellow);
chprintf(gp, "\n1. DEVICE TYPE\n\n");
pem = (GEventMouse *)&gl.event;
ginputGetMouseStatus(0, pem);
deviceType = pem->type;
gwinSetColor(ghc, White);
chprintf(gp, "This is detected as a %s device\n\n",
deviceType == GEVENT_MOUSE ? "MOUSE" : (pem->type == GEVENT_TOUCH ? "TOUCH" : "UNKNOWN"));
if (ghNext)
chprintf(gp, "Press Next or Back to continue.\n");
else if (deviceType == GEVENT_MOUSE)
chprintf(gp, "Click the mouse button to move on to the next test.\n");
else
chprintf(gp, "Press and release your finger to move on to the next test.\n");
while(1) {
pe = geventEventWait(&gl, TIME_INFINITE);
if (pe->type == GEVENT_GWIN_BUTTON) {
peb = (GEventGWinButton *)pe;
if (peb->button == ghPrev)
goto StepClickJitter;
if (peb->button == ghNext)
break;
}
if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
pem = (GEventMouse *)pe;
if (!ghNext && (pem->meta & GMETA_MOUSE_UP))
break;
}
}
/*
* Test: Mouse raw reading jitter
*/
StepRawJitter:
gwinClear(ghc);
gwinSetColor(ghc, Yellow);
chprintf(gp, "\n2. GINPUT_MOUSE_READ_CYCLES\n\n");
gwinSetColor(ghc, White);
if (deviceType == GEVENT_MOUSE)
chprintf(gp, "Press and hold the mouse button.\n\n");
else
chprintf(gp, "Press and hold on the surface.\n\n");
chprintf(gp, "Numbers will display in this window.\n"
"Ensure that values don't jump around very much when your finger is stationary.\n\n"
"Increasing GINPUT_MOUSE_READ_CYCLES helps reduce jitter but increases CPU usage.\n\n");
if (ghNext)
chprintf(gp, "Press Next or Back to continue.\n");
else if (deviceType == GEVENT_MOUSE)
chprintf(gp, "Release the mouse button to move on to the next test.\n");
else
chprintf(gp, "Release your finger to move on to the next test.\n");
// For this test turn on ALL mouse movement events
geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA|GLISTEN_MOUSENOFILTER);
while(1) {
pe = geventEventWait(&gl, TIME_INFINITE);
if (pe->type == GEVENT_GWIN_BUTTON) {
peb = (GEventGWinButton *)pe;
if (peb->button == ghPrev)
goto StepDeviceType;
if (peb->button == ghNext)
break;
}
if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
pem = (GEventMouse *)pe;
if ((pem->current_buttons & GINPUT_MOUSE_BTN_LEFT))
chprintf(gp, "%u:%u\n", pem->x, pem->y);
if (!ghNext && (pem->meta & GMETA_MOUSE_UP))
break;
}
}
// Reset to just changed movements.
geventAttachSource(&gl, gs, GLISTEN_MOUSEDOWNMOVES|GLISTEN_MOUSEMETA);
/*
* Test: Calibration
*/
StepCalibrate:
gwinClear(ghc);
gwinSetColor(ghc, Yellow);
chprintf(gp, "\n3. GINPUT_MOUSE_CALIBRATION_ERROR\n\n");
gwinSetColor(ghc, Gray);
chprintf(gp, "Ensure GINPUT_MOUSE_NEED_CALIBRATION = TRUE and GINPUT_MOUSE_CALIBRATION_ERROR is >= 0\n\n");
gwinSetColor(ghc, White);
chprintf(gp, "You will be presented with a number of points to touch.\nPress them in turn.\n\n"
"If the calibration repeatedly fails, increase GINPUT_MOUSE_CALIBRATION_ERROR and try again.\n\n");
if (ghNext)
chprintf(gp, "Press Next to start the calibration.\n");
else if (deviceType == GEVENT_MOUSE)
chprintf(gp, "Click the mouse button to start the calibration.\n");
else
chprintf(gp, "Press and release your finger to start the calibration.\n");
while(1) {
pe = geventEventWait(&gl, TIME_INFINITE);
if (pe->type == GEVENT_GWIN_BUTTON) {
peb = (GEventGWinButton *)pe;
if (peb->button == ghPrev)
goto StepRawJitter;
if (peb->button == ghNext)
break;
}
if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
pem = (GEventMouse *)pe;
if (!ghNext && (pem->meta & GMETA_MOUSE_UP))
break;
}
}
// Calibrate
ginputCalibrateMouse(0);
/* From now on we can use Next and Previous Buttons */
if (!ghNext) {
ghNext = gwinCreateButton(&gNext, swidth-50, 0, 50, 20, font, GBTN_NORMAL);
gwinSetButtonText(ghNext, "Next", FALSE);
gsNext = gwinGetButtonSource(ghNext);
geventAttachSource(&gl, gsNext, 0);
gwinAttachButtonMouseSource(ghNext, gs);
ghPrev = gwinCreateButton(&gPrev, swidth-100, 0, 50, 20, font, GBTN_NORMAL);
gwinSetButtonText(ghPrev, "Back", FALSE);
gsPrev = gwinGetButtonSource(ghPrev);
geventAttachSource(&gl, gsPrev, 0);
gwinAttachButtonMouseSource(ghPrev, gs);
#if 0
{
GSourceHandle gsButton1, gsButton2;
// Attach a couple of hardware toggle buttons to our Next and Back buttons as well.
// We can always use the mouse to trigger the buttons if you don't want to use hardware toggles.
// This code depends on your hardware. Turn it on only if you have
// defined a board definition for your toggle driver. Then change
// the next two lines to be correct for your hardware. The values
// below are correct for the Win32 toggle driver.
gsButton1 = ginputGetToggle(GINPUT_TOGGLE_MOMENTARY1);
gsButton2 = ginputGetToggle(GINPUT_TOGGLE_MOMENTARY2);
gwinAttachButtonToggleSource(ghNext, gsButton2);
gwinAttachButtonToggleSource(ghPrev, gsButton1);
}
#endif
}
// Calibration used the whole screen - re-establish our title
gdispFillStringBox(0, 0, swidth, 20, "Touch Calibration", font, Green, White, justifyLeft);
gwinButtonDraw(ghNext);
gwinButtonDraw(ghPrev);
/*
* Test: Mouse movement jitter
*/
StepJitter:
gwinClear(ghc);
gwinSetColor(ghc, Yellow);
chprintf(gp, "\n4. GINPUT_MOUSE_MOVE_JITTER\n\n");
gwinSetColor(ghc, White);
if (deviceType == GEVENT_MOUSE)
chprintf(gp, "Press and hold the mouse button and move around as if to draw.\n\n");
else
chprintf(gp, "Press firmly on the surface and move around as if to draw.\n\n");
chprintf(gp, "Dots will display in this window. Ensure that when you stop moving your finger that "
"new dots stop displaying.\nNew dots should only display when your finger is moving.\n\n"
"Adjust GINPUT_MOUSE_MOVE_JITTER to the smallest value that this reliably works for.\n\n");
chprintf(gp, "Press Next or Back to continue.\n\n");
while(1) {
pe = geventEventWait(&gl, TIME_INFINITE);
if (pe->type == GEVENT_GWIN_BUTTON) {
peb = (GEventGWinButton *)pe;
if (peb->button == ghPrev)
goto StepCalibrate;
if (peb->button == ghNext)
break;
}
if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
pem = (GEventMouse *)pe;
if ((pem->current_buttons & GINPUT_MOUSE_BTN_LEFT))
chprintf(gp, ".");
}
}
/*
* Test: Polling frequency
*/
StepPolling:
gwinClear(ghc);
gwinSetColor(ghc, Yellow);
chprintf(gp, "\n5. GINPUT_MOUSE_POLL_PERIOD\n\n");
gwinSetColor(ghc, White);
chprintf(gp, "Press firmly on the surface (or press and hold the mouse button) and move around as if to draw.\n\n");
chprintf(gp, "A green line will follow your finger.\n"
"Adjust GINPUT_MOUSE_POLL_PERIOD to the highest value that provides a line without "
"gaps that are too big.\nDecreasing the value increases CPU usage.\n"
"About 25 (millisecs) normally produces good results."
"This test can be ignored for interrupt driven drivers.\n\n");
chprintf(gp, "Press Next or Back to continue.\n\n");
while(1) {
pe = geventEventWait(&gl, TIME_INFINITE);
if (pe->type == GEVENT_GWIN_BUTTON) {
peb = (GEventGWinButton *)pe;
if (peb->button == ghPrev)
goto StepJitter;
if (peb->button == ghNext)
break;
}
if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
pem = (GEventMouse *)pe;
if ((pem->current_buttons & GINPUT_MOUSE_BTN_LEFT))
gdispDrawPixel(pem->x, pem->y, Green);
}
}
/*
* Test: Click Jitter
*/
StepClickJitter:
gwinClear(ghc);
gwinSetColor(ghc, Yellow);
chprintf(gp, "\n6. GINPUT_MOUSE_MAX_CLICK_JITTER\n\n");
gwinSetColor(ghc, White);
chprintf(gp, "Press and release the touch surface to \"click\".\nTry both short and long presses.\n");
chprintf(gp, "For a mouse click with the left and right buttons.\n\n");
chprintf(gp, "Dots will display in this window. A yellow dash is a left (or short) click. "
"A red x is a right (or long) click.\n\n"
"Adjust GINPUT_MOUSE_CLICK_JITTER to the smallest value that this reliably works for.\n"
"Adjust GINPUT_MOUSE_CLICK_TIME to adjust distinguishing short vs long presses.\n"
"TIME_INFINITE means there are no long presses (although a right mouse button will still work).\n\n"
"Note: moving your finger (mouse) during a click cancels it.\n\n");
chprintf(gp, "This is the last test but you can press Next or Back to continue.\n\n");
while(1) {
pe = geventEventWait(&gl, TIME_INFINITE);
if (pe->type == GEVENT_GWIN_BUTTON) {
peb = (GEventGWinButton *)pe;
if (peb->button == ghPrev)
goto StepPolling;
if (peb->button == ghNext)
break;
}
if (pe->type == GEVENT_MOUSE || pe->type == GEVENT_TOUCH) {
pem = (GEventMouse *)pe;
if ((pem->meta & GMETA_MOUSE_CLICK)) {
gwinSetColor(ghc, Yellow);
chprintf(gp, "-");
}
if ((pem->meta & GMETA_MOUSE_CXTCLICK)) {
gwinSetColor(ghc, Red);
chprintf(gp, "x");
}
}
}
// Can't let this really exit
goto StepDeviceType;
}
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