From be8907d634ac8967de1ae2ac8346b845f738c9e6 Mon Sep 17 00:00:00 2001 From: Ryan Date: Tue, 27 Sep 2022 18:37:13 +1000 Subject: Further refactoring of joystick feature (#18437) --- quantum/process_keycode/process_joystick.c | 152 ++++------------------------- 1 file changed, 17 insertions(+), 135 deletions(-) (limited to 'quantum/process_keycode/process_joystick.c') diff --git a/quantum/process_keycode/process_joystick.c b/quantum/process_keycode/process_joystick.c index e867606074..af69d3aa05 100644 --- a/quantum/process_keycode/process_joystick.c +++ b/quantum/process_keycode/process_joystick.c @@ -1,10 +1,21 @@ -#include "joystick.h" -#include "process_joystick.h" - -#include "analog.h" +/* Copyright 2022 + * + * This program 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 2 of the License, or + * (at your option) any later version. + * + * This program 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 . + */ -#include -#include +#include "process_joystick.h" +#include "joystick.h" bool process_joystick(uint16_t keycode, keyrecord_t *record) { switch (keycode) { @@ -18,132 +29,3 @@ bool process_joystick(uint16_t keycode, keyrecord_t *record) { } return true; } - -__attribute__((weak)) void joystick_task(void) { - if (process_joystick_analogread()) { - joystick_flush(); - } -} - -uint16_t savePinState(pin_t pin) { -#ifdef __AVR__ - uint8_t pinNumber = pin & 0xF; - return ((PORTx_ADDRESS(pin) >> pinNumber) & 0x1) << 1 | ((DDRx_ADDRESS(pin) >> pinNumber) & 0x1); -#elif defined(PROTOCOL_CHIBIOS) - /* - The pin configuration is backed up in the following format : - bit 15 9 8 7 6 5 4 3 2 1 0 - |unused|ODR|IDR|PUPDR|OSPEEDR|OTYPER|MODER| - */ - return ((PAL_PORT(pin)->MODER >> (2 * PAL_PAD(pin))) & 0x3) | (((PAL_PORT(pin)->OTYPER >> (1 * PAL_PAD(pin))) & 0x1) << 2) | (((PAL_PORT(pin)->OSPEEDR >> (2 * PAL_PAD(pin))) & 0x3) << 3) | (((PAL_PORT(pin)->PUPDR >> (2 * PAL_PAD(pin))) & 0x3) << 5) | (((PAL_PORT(pin)->IDR >> (1 * PAL_PAD(pin))) & 0x1) << 7) | (((PAL_PORT(pin)->ODR >> (1 * PAL_PAD(pin))) & 0x1) << 8); -#else - return 0; -#endif -} - -void restorePinState(pin_t pin, uint16_t restoreState) { -#if defined(PROTOCOL_LUFA) - uint8_t pinNumber = pin & 0xF; - PORTx_ADDRESS(pin) = (PORTx_ADDRESS(pin) & ~_BV(pinNumber)) | (((restoreState >> 1) & 0x1) << pinNumber); - DDRx_ADDRESS(pin) = (DDRx_ADDRESS(pin) & ~_BV(pinNumber)) | ((restoreState & 0x1) << pinNumber); -#elif defined(PROTOCOL_CHIBIOS) - PAL_PORT(pin)->MODER = (PAL_PORT(pin)->MODER & ~(0x3 << (2 * PAL_PAD(pin)))) | (restoreState & 0x3) << (2 * PAL_PAD(pin)); - PAL_PORT(pin)->OTYPER = (PAL_PORT(pin)->OTYPER & ~(0x1 << (1 * PAL_PAD(pin)))) | ((restoreState >> 2) & 0x1) << (1 * PAL_PAD(pin)); - PAL_PORT(pin)->OSPEEDR = (PAL_PORT(pin)->OSPEEDR & ~(0x3 << (2 * PAL_PAD(pin)))) | ((restoreState >> 3) & 0x3) << (2 * PAL_PAD(pin)); - PAL_PORT(pin)->PUPDR = (PAL_PORT(pin)->PUPDR & ~(0x3 << (2 * PAL_PAD(pin)))) | ((restoreState >> 5) & 0x3) << (2 * PAL_PAD(pin)); - PAL_PORT(pin)->IDR = (PAL_PORT(pin)->IDR & ~(0x1 << (1 * PAL_PAD(pin)))) | ((restoreState >> 7) & 0x1) << (1 * PAL_PAD(pin)); - PAL_PORT(pin)->ODR = (PAL_PORT(pin)->ODR & ~(0x1 << (1 * PAL_PAD(pin)))) | ((restoreState >> 8) & 0x1) << (1 * PAL_PAD(pin)); -#else - return; -#endif -} - -__attribute__((weak)) bool process_joystick_analogread() { - return process_joystick_analogread_quantum(); -} - -bool process_joystick_analogread_quantum() { -#if JOYSTICK_AXES_COUNT > 0 - for (int axis_index = 0; axis_index < JOYSTICK_AXES_COUNT; ++axis_index) { - if (joystick_axes[axis_index].input_pin == JS_VIRTUAL_AXIS) { - continue; - } - - // save previous input pin status as well - uint16_t inputSavedState = savePinState(joystick_axes[axis_index].input_pin); - - // disable pull-up resistor - writePinLow(joystick_axes[axis_index].input_pin); - - // if pin was a pull-up input, we need to uncharge it by turning it low - // before making it a low input - setPinOutput(joystick_axes[axis_index].input_pin); - - wait_us(10); - - // save and apply output pin status - uint16_t outputSavedState = 0; - if (joystick_axes[axis_index].output_pin != JS_VIRTUAL_AXIS) { - // save previous output pin status - outputSavedState = savePinState(joystick_axes[axis_index].output_pin); - - setPinOutput(joystick_axes[axis_index].output_pin); - writePinHigh(joystick_axes[axis_index].output_pin); - } - - uint16_t groundSavedState = 0; - if (joystick_axes[axis_index].ground_pin != JS_VIRTUAL_AXIS) { - // save previous output pin status - groundSavedState = savePinState(joystick_axes[axis_index].ground_pin); - - setPinOutput(joystick_axes[axis_index].ground_pin); - writePinLow(joystick_axes[axis_index].ground_pin); - } - - wait_us(10); - - setPinInput(joystick_axes[axis_index].input_pin); - - wait_us(10); - -# if defined(ANALOG_JOYSTICK_ENABLE) && (defined(__AVR__) || defined(PROTOCOL_CHIBIOS)) - int16_t axis_val = analogReadPin(joystick_axes[axis_index].input_pin); -# else - // default to resting position - int16_t axis_val = joystick_axes[axis_index].mid_digit; -# endif - - // test the converted value against the lower range - int32_t ref = joystick_axes[axis_index].mid_digit; - int32_t range = joystick_axes[axis_index].min_digit; - int32_t ranged_val = ((axis_val - ref) * -JOYSTICK_RESOLUTION) / (range - ref); - - if (ranged_val > 0) { - // the value is in the higher range - range = joystick_axes[axis_index].max_digit; - ranged_val = ((axis_val - ref) * JOYSTICK_RESOLUTION) / (range - ref); - } - - // clamp the result in the valid range - ranged_val = ranged_val < -JOYSTICK_RESOLUTION ? -JOYSTICK_RESOLUTION : ranged_val; - ranged_val = ranged_val > JOYSTICK_RESOLUTION ? JOYSTICK_RESOLUTION : ranged_val; - - if (ranged_val != joystick_status.axes[axis_index]) { - joystick_status.axes[axis_index] = ranged_val; - joystick_status.status |= JS_UPDATED; - } - - // restore output, ground and input status - if (joystick_axes[axis_index].output_pin != JS_VIRTUAL_AXIS) { - restorePinState(joystick_axes[axis_index].output_pin, outputSavedState); - } - if (joystick_axes[axis_index].ground_pin != JS_VIRTUAL_AXIS) { - restorePinState(joystick_axes[axis_index].ground_pin, groundSavedState); - } - - restorePinState(joystick_axes[axis_index].input_pin, inputSavedState); - } - -#endif - return true; -} -- cgit v1.2.3