diff options
Diffstat (limited to 'drivers/sensors')
| -rw-r--r-- | drivers/sensors/analog_joystick.c | 68 |
1 files changed, 58 insertions, 10 deletions
diff --git a/drivers/sensors/analog_joystick.c b/drivers/sensors/analog_joystick.c index 12256a8e7a..4aede4eacd 100644 --- a/drivers/sensors/analog_joystick.c +++ b/drivers/sensors/analog_joystick.c @@ -22,17 +22,28 @@ #include <stdlib.h> // Set Parameters +#ifndef ANALOG_JOYSTICK_AUTO_AXIS uint16_t minAxisValue = ANALOG_JOYSTICK_AXIS_MIN; uint16_t maxAxisValue = ANALOG_JOYSTICK_AXIS_MAX; +#else +int16_t minAxisValues[2]; +int16_t maxAxisValues[2]; +#endif uint8_t maxCursorSpeed = ANALOG_JOYSTICK_SPEED_MAX; uint8_t speedRegulator = ANALOG_JOYSTICK_SPEED_REGULATOR; // Lower Values Create Faster Movement +#ifdef ANALOG_JOYSTICK_WEIGHTS +int8_t weights[101] = ANALOG_JOYSTICK_WEIGHTS; +#endif + int16_t xOrigin, yOrigin; uint16_t lastCursor = 0; -int16_t axisCoordinate(pin_t pin, uint16_t origin) { +uint8_t prevValues[2] = {0, 0}; + +int16_t axisCoordinate(pin_t pin, uint16_t origin, uint8_t axis) { int8_t direction; int16_t distanceFromOrigin; int16_t range; @@ -43,12 +54,27 @@ int16_t axisCoordinate(pin_t pin, uint16_t origin) { return 0; } else if (origin > position) { distanceFromOrigin = origin - position; - range = origin - minAxisValue; - direction = -1; +#ifdef ANALOG_JOYSTICK_AUTO_AXIS + if (position < minAxisValues[axis]) { + minAxisValues[axis] = position; + } + range = origin - minAxisValues[axis]; +#else + range = origin - minAxisValue; +#endif + direction = -1; } else { distanceFromOrigin = position - origin; - range = maxAxisValue - origin; - direction = 1; + +#ifdef ANALOG_JOYSTICK_AUTO_AXIS + if (position > maxAxisValues[axis]) { + maxAxisValues[axis] = position; + } + range = maxAxisValues[axis] - origin; +#else + range = maxAxisValue - origin; +#endif + direction = 1; } float percent = (float)distanceFromOrigin / range; @@ -62,14 +88,29 @@ int16_t axisCoordinate(pin_t pin, uint16_t origin) { } } -int8_t axisToMouseComponent(pin_t pin, int16_t origin, uint8_t maxSpeed) { - int16_t coordinate = axisCoordinate(pin, origin); +int8_t axisToMouseComponent(pin_t pin, int16_t origin, uint8_t maxSpeed, uint8_t axis) { + int16_t coordinate = axisCoordinate(pin, origin, axis); + int8_t result; +#ifndef ANALOG_JOYSTICK_WEIGHTS if (coordinate != 0) { float percent = (float)coordinate / 100; - return percent * maxCursorSpeed * (abs(coordinate) / speedRegulator); + result = percent * maxCursorSpeed * (abs(coordinate) / speedRegulator); } else { return 0; } +#else + result = weights[abs(coordinate)] * (coordinate < 0 ? -1 : 1) * maxCursorSpeed / speedRegulator; +#endif + +#ifdef ANALOG_JOYSTICK_CUTOFF + uint8_t pv = prevValues[axis]; + prevValues[axis] = abs(result); + if (pv > abs(result)) { + return 0; + } +#endif + + return result; } report_analog_joystick_t analog_joystick_read(void) { @@ -77,8 +118,8 @@ report_analog_joystick_t analog_joystick_read(void) { if (timer_elapsed(lastCursor) > ANALOG_JOYSTICK_READ_INTERVAL) { lastCursor = timer_read(); - report.x = axisToMouseComponent(ANALOG_JOYSTICK_X_AXIS_PIN, xOrigin, maxCursorSpeed); - report.y = axisToMouseComponent(ANALOG_JOYSTICK_Y_AXIS_PIN, yOrigin, maxCursorSpeed); + report.x = axisToMouseComponent(ANALOG_JOYSTICK_X_AXIS_PIN, xOrigin, maxCursorSpeed, 0); + report.y = axisToMouseComponent(ANALOG_JOYSTICK_Y_AXIS_PIN, yOrigin, maxCursorSpeed, 1); } #ifdef ANALOG_JOYSTICK_CLICK_PIN report.button = !readPin(ANALOG_JOYSTICK_CLICK_PIN); @@ -93,4 +134,11 @@ void analog_joystick_init(void) { // Account for drift xOrigin = analogReadPin(ANALOG_JOYSTICK_X_AXIS_PIN); yOrigin = analogReadPin(ANALOG_JOYSTICK_Y_AXIS_PIN); + +#ifdef ANALOG_JOYSTICK_AUTO_AXIS + minAxisValues[0] = xOrigin - 100; + minAxisValues[1] = yOrigin - 100; + maxAxisValues[0] = xOrigin + 100; + maxAxisValues[1] = yOrigin + 100; +#endif } |