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Handling input events from the trackpads

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input_events
NepEgor 3 years ago
parent 1aab181022
commit 5d4c0ad2f3
7 changed files with 158 additions and 121 deletions
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4
lib/touch_controls/include/touch_control.h
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@ -22,6 +22,8 @@ class TouchControl
ControlType control_type;
int8_t finger_id;
public:
TouchControl() {}
@ -29,7 +31,7 @@ class TouchControl
virtual void init(int32_t pos_x, int32_t pos_y, int32_t pos_r);
virtual int8_t touch(int32_t tx, int32_t ty) = 0;
virtual int8_t touch(int8_t fid, int32_t tx, int32_t ty) = 0;
ControlType getControlType() {return control_type;}
};

2
lib/touch_controls/include/touch_dpad.h
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@ -41,7 +41,7 @@ class TouchDpad : public TouchControl
void setInvertX(bool invert_x = true);
void setInvertY(bool invert_y = true);
int8_t touch(int32_t tx, int32_t ty);
int8_t touch(int8_t fid, int32_t tx, int32_t ty);
uint8_t getButton() {return button;}
};

2
lib/touch_controls/include/touch_joystick.h
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@ -39,7 +39,7 @@ class TouchJoystick : public TouchControl
void setInvertX(bool invert_x = true);
void setInvertY(bool invert_y = true);
int8_t touch(int32_t tx, int32_t ty);
int8_t touch(int8_t fid, int32_t tx, int32_t ty);
int16_t getX() {return x;}
int16_t getY() {return y;}

2
lib/touch_controls/src/touch_control.cpp
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@ -13,4 +13,6 @@ void TouchControl::init(int32_t pos_x, int32_t pos_y, int32_t pos_r)
this->pos_r2 = pos_r * pos_r;
this->control_type = CT_NONE;
this->finger_id = -1;
}

112
lib/touch_controls/src/touch_dpad.cpp
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@ -45,8 +45,13 @@ void TouchDpad::setInvertY(bool invert_y)
this->invert_y = invert_y ? -1 : 1;
}
int8_t TouchDpad::touch(int32_t tx, int32_t ty)
int8_t TouchDpad::touch(int8_t fid, int32_t tx, int32_t ty)
{
if (finger_id != -1 && finger_id != fid)
{
return 0;
}
int8_t ret = 2;
tx -= pos_x;
@ -59,61 +64,66 @@ int8_t TouchDpad::touch(int32_t tx, int32_t ty)
// outside the range
if (t2 > pos_r2)
{
ret = 0;
finger_id = -1;
return 0;
}
else // inside inner dead_zone
if (t2 < dead_zone_inner2)
{
ret = 1;
}
else // in bounds
{
button = 0;
switch (dpad_type)
finger_id = fid;
if (t2 < dead_zone_inner2)
{
ret = 1;
}
else // in bounds
{
case DPAD_TYPE_SECTOR4:
button |= (invert_y * ty > invert_x * -tx);
button |= (invert_y * ty > invert_x * tx) << 1;
switch (button)
{
case 0b00: button = 0; break;
case 0b01: button = 2; break;
case 0b11: button = 4; break;
case 0b10: button = 6; break;
default: button = NOT_PRESSED; break;
}
break;
case DPAD_TYPE_SECTOR8:
button |= (invert_y * ty > invert_x * -tx * k2);
button |= (invert_y * ty > invert_x * -tx * k1) << 1;
button |= (invert_y * ty > invert_x * tx * k1) << 2;
button |= (invert_y * ty > invert_x * tx * k2) << 3;
switch (button)
{
case 0: button = 0; break;
case 1: button = 1; break;
case 3: button = 2; break;
case 7: button = 3; break;
case 15: button = 4; break;
case 14: button = 5; break;
case 12: button = 6; break;
case 8: button = 7; break;
default: button = NOT_PRESSED; break;
}
break;
default:
break;
button = 0;
switch (dpad_type)
{
case DPAD_TYPE_SECTOR4:
button |= (invert_y * ty > invert_x * -tx);
button |= (invert_y * ty > invert_x * tx) << 1;
switch (button)
{
case 0b00: button = 0; break;
case 0b01: button = 2; break;
case 0b11: button = 4; break;
case 0b10: button = 6; break;
default: button = NOT_PRESSED; break;
}
break;
case DPAD_TYPE_SECTOR8:
button |= (invert_y * ty > invert_x * -tx * k2);
button |= (invert_y * ty > invert_x * -tx * k1) << 1;
button |= (invert_y * ty > invert_x * tx * k1) << 2;
button |= (invert_y * ty > invert_x * tx * k2) << 3;
switch (button)
{
case 0: button = 0; break;
case 1: button = 1; break;
case 3: button = 2; break;
case 7: button = 3; break;
case 15: button = 4; break;
case 14: button = 5; break;
case 12: button = 6; break;
case 8: button = 7; break;
default: button = NOT_PRESSED; break;
}
break;
default:
break;
}
}
}
return ret;
}

56
lib/touch_controls/src/touch_joystick.cpp
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@ -52,44 +52,54 @@ void TouchJoystick::setInvertY(bool invert_y)
this->invert_y = invert_y;
}
int8_t TouchJoystick::touch(int32_t tx, int32_t ty)
int8_t TouchJoystick::touch(int8_t fid, int32_t tx, int32_t ty)
{
if (finger_id != -1 && finger_id != fid)
{
return 0;
}
int8_t ret = 2;
tx -= pos_x;
ty -= pos_y;
int32_t t2 = tx * tx + ty * ty;
x = usb_x;
y = usb_y;
int32_t t2 = tx * tx + ty * ty;
// outside the range
if (t2 > pos_r2)
{
ret = 0;
finger_id = -1;
return 0;
}
else // inside inner dead_zone
if (t2 < dead_zone_inner2)
{
ret = 1;
finger_id = fid;
if (t2 < dead_zone_inner2)
{
ret = 1;
}
else // between dead zones
if (t2 <= dead_zone_outer2)
{
x = tx * pos2usb + usb_x;
y = ty * pos2usb + usb_y;
}
else // in bounds outside of outer dead zone
{
float len = sqrt(t2);
x = (tx * dead_zone_outer / len) * pos2usb + usb_x;
y = (ty * dead_zone_outer / len) * pos2usb + usb_y;
}
if (invert_x) x = usb_x + usb_r - x;
if (invert_y) y = usb_y + usb_r - y;
}
else // between dead zones
if (t2 <= dead_zone_outer2)
{
x = tx * pos2usb + usb_x;
y = ty * pos2usb + usb_y;
}
else // in bounds outside of outer dead zone
{
float len = sqrt(t2);
x = (tx * dead_zone_outer / len) * pos2usb + usb_x;
y = (ty * dead_zone_outer / len) * pos2usb + usb_y;
}
if (invert_x) x = usb_x + usb_r - x;
if (invert_y) y = usb_y + usb_r - y;
return ret;
}

101
src/main.cpp
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@ -84,60 +84,73 @@ void setup()
digitalWrite(PC13, HIGH);
}
uint8_t tevent_size;
TouchEvent tevent[5];
void loop()
{
uint32_t right_trigger = analogRead(TRIGGER_RIGHT_PIN);
uint8_t right_tp_click = digitalRead(TRACKPAD_CLICK_RIGHT_PIN);
FingerPosition* fp;
int8_t fingers_touching = trackpad_right.poll(&fp);
if (fingers_touching > 0)
int8_t ret = trackpad_right.poll(tevent, tevent_size);
if (ret > 0)
{
if (fp != NULL)
for (uint8_t i = 0; i < tevent_size; ++i)
{
for (int8_t id = 0; id < TrackPad::fingers_num; ++id)
int32_t x = -1;
int32_t y = -1;
switch (tevent[i].type)
{
if (fingers_touching & (1 << id))
case TET_DOWN:
case TET_MOVE:
x = tevent[i].fp.x;
y = tevent[i].fp.y;
break;
case TET_UP:
break;
default:
break;
}
//Serial.printf("%u\n", tevent[i].type);
for (uint8_t c = 0; c < num_controls; ++c)
{
int8_t res = tcontrols[c]->touch(tevent[i].finger_id, y, x);
if (res < 0)
{
Serial.printf("Impossible Error\n");
break;
}
switch(tcontrols[c]->getControlType())
{
case TouchControl::CT_NONE:
Serial.printf("Control type not set\n");
break;
case TouchControl::CT_JOYSTICK:
device.joystick_left(((TouchJoystick*)tcontrols[c])->getX(), ((TouchJoystick*)tcontrols[c])->getY());
break;
case TouchControl::CT_DPAD:
device.dpad(((TouchDpad*)tcontrols[c])->getButton());
break;
}
if (res > 0)
{
for (uint8_t c = 0; c < num_controls; ++c)
{
int8_t res = tcontrols[c]->touch(fp[id].y, fp[id].x);
if (res < 0)
{
Serial.printf("Impossible Error\n");
break;
}
switch(tcontrols[c]->getControlType())
{
case TouchControl::CT_NONE:
Serial.printf("Control type not set\n");
break;
case TouchControl::CT_JOYSTICK:
device.joystick_left(((TouchJoystick*)tcontrols[c])->getX(), ((TouchJoystick*)tcontrols[c])->getY());
break;
case TouchControl::CT_DPAD:
device.dpad(((TouchDpad*)tcontrols[c])->getButton());
break;
}
if (res > 0)
{
break;
}
}
break;
}
}
}
}
else
if (fingers_touching == 0)
{
device.joystick_left(USB_Device::usb_joystick_x, USB_Device::usb_joystick_y);
device.dpad(TouchDpad::NOT_PRESSED);
}
uint32_t right_trigger = analogRead(TRIGGER_RIGHT_PIN);
uint8_t right_tp_click = digitalRead(TRACKPAD_CLICK_RIGHT_PIN);
device.trigger_right(right_trigger);
device.button(0, right_tp_click);

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