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Diffstat (limited to 'docs/feature_joystick.md')
-rw-r--r-- | docs/feature_joystick.md | 81 |
1 files changed, 27 insertions, 54 deletions
diff --git a/docs/feature_joystick.md b/docs/feature_joystick.md index 2635298587..a82192bfe1 100644 --- a/docs/feature_joystick.md +++ b/docs/feature_joystick.md @@ -70,71 +70,44 @@ When the ADC reads 900 or higher, the returned axis value will be -127, whereas In this example, the first axis will be read from the `A4` pin while `B0` is set high and `A7` is set low, using `analogReadPin()`, whereas the second axis will not be read. -In order to give a value to the second axis, you can do so in any customizable entry point: as an action, in `process_record_user()` or in `matrix_scan_user()`, or even in `joystick_task()` which is called even when no key has been pressed. -You assign a value by writing to `joystick_status.axes[axis_index]` a signed 8-bit value (ranging from -127 to 127). Then it is necessary to assign the flag `JS_UPDATED` to `joystick_status.status` in order for an updated HID report to be sent. +#### Virtual Axes -The following example writes two axes based on keypad presses, with `KC_P5` as a precision modifier: +To give a value to virtual axes, call `joystick_set_axis(axis, value)`. + +The following example adjusts two virtual axes (X and Y) based on keypad presses, with `KC_P5` as a precision modifier: ```c -#ifdef ANALOG_JOYSTICK_ENABLE -static uint8_t precision_val = 70; -static uint8_t axesFlags = 0; -enum axes { - Precision = 1, - Axis1High = 2, - Axis1Low = 4, - Axis2High = 8, - Axis2Low = 16 +joystick_config_t joystick_axes[JOYSTICK_AXES_COUNT] = { + [0] = JOYSTICK_AXIS_VIRTUAL, // x + [1] = JOYSTICK_AXIS_VIRTUAL // y }; -#endif + +static bool precision = false; +static uint16_t precision_mod = 64; +static uint16_t axis_val = 127; bool process_record_user(uint16_t keycode, keyrecord_t *record) { - switch(keycode) { -#ifdef ANALOG_JOYSTICK_ENABLE - // virtual joystick -# if JOYSTICK_AXES_COUNT > 1 + int16_t precision_val = axis_val; + if (precision) { + precision_val -= precision_mod; + } + + switch (keycode) { case KC_P8: - if (record->event.pressed) { - axesFlags |= Axis2Low; - } else { - axesFlags &= ~Axis2Low; - } - joystick_status.status |= JS_UPDATED; - break; + joystick_set_axis(1, record->event.pressed ? -precision_val : 0); + return false; case KC_P2: - if (record->event.pressed) { - axesFlags |= Axis2High; - } else { - axesFlags &= ~Axis2High; - } - joystick_status.status |= JS_UPDATED; - break; -# endif + joystick_set_axis(1, record->event.pressed ? precision_val : 0); + return false; case KC_P4: - if (record->event.pressed) { - axesFlags |= Axis1Low; - } else { - axesFlags &= ~Axis1Low; - } - joystick_status.status |= JS_UPDATED; - break; + joystick_set_axis(0, record->event.pressed ? -precision_val : 0); + return false; case KC_P6: - if (record->event.pressed) { - axesFlags |= Axis1High; - } else { - axesFlags &= ~Axis1High; - } - joystick_status.status |= JS_UPDATED; - break; + joystick_set_axis(0, record->event.pressed ? precision_val : 0); + return false; case KC_P5: - if (record->event.pressed) { - axesFlags |= Precision; - } else { - axesFlags &= ~Precision; - } - joystick_status.status |= JS_UPDATED; - break; -#endif + precision = record->event.pressed; + return false; } return true; } |