diff options
Diffstat (limited to 'keyboards/ploopyco/trackball_nano/keymaps/lkbm/keymap.c')
| -rw-r--r-- | keyboards/ploopyco/trackball_nano/keymaps/lkbm/keymap.c | 167 |
1 files changed, 167 insertions, 0 deletions
diff --git a/keyboards/ploopyco/trackball_nano/keymaps/lkbm/keymap.c b/keyboards/ploopyco/trackball_nano/keymaps/lkbm/keymap.c new file mode 100644 index 0000000000..533597b478 --- /dev/null +++ b/keyboards/ploopyco/trackball_nano/keymaps/lkbm/keymap.c @@ -0,0 +1,167 @@ +/* Copyright 2022 Aidan Gauland + * Copyright 2021 Colin Lam (Ploopy Corporation) + * Copyright 2020 Christopher Courtney, aka Drashna Jael're (@drashna) <drashna@live.com> + * Copyright 2019 Sunjun Kim + * Copyright 2019 Hiroyuki Okada + * + * 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 <http://www.gnu.org/licenses/>. + */ +#include QMK_KEYBOARD_H +#include "print.h" + +#define NUM_LOCK_BITMASK 0b01 +#define CAPS_LOCK_BITMASK 0b10 + +// World record for fastest index finger tapping is 1092 taps per minute, which +// is 55ms for a single tap. +// https://recordsetter.com/world-record/index-finger-taps-minute/46066 +#define LED_CMD_TIMEOUT 25 +#define DELTA_X_THRESHOLD 60 +#define DELTA_Y_THRESHOLD 15 + +typedef enum { + // You could theoretically define 0b00 and send it by having a macro send + // the second tap after LED_CMD_TIMEOUT has elapsed. + // CMD_EXTRA = 0b00, + TG_SCROLL = 0b01, + CYC_DPI = 0b10, + CMD_RESET = 0b11 // CMD_ prefix to avoid clash with QMK macro +} led_cmd_t; + +// State +static bool scroll_enabled = false; +static bool num_lock_state = false; +static bool caps_lock_state = false; +static bool in_cmd_window = false; +static int8_t delta_x = 0; +static int8_t delta_y = 0; + +typedef struct { + led_cmd_t led_cmd; + uint8_t num_lock_count; + uint8_t caps_lock_count; +} cmd_window_state_t; + +// Dummy +const uint16_t PROGMEM keymaps[][MATRIX_ROWS][MATRIX_COLS] = {{{KC_NO}}}; + +report_mouse_t pointing_device_task_user(report_mouse_t mouse_report) { + if (scroll_enabled) { + delta_x += mouse_report.x; + delta_y += mouse_report.y; + + if (delta_x > DELTA_X_THRESHOLD) { + mouse_report.h = 1; + delta_x = 0; + } else if (delta_x < -DELTA_X_THRESHOLD) { + mouse_report.h = -1; + delta_x = 0; + } + + if (delta_y > DELTA_Y_THRESHOLD) { + mouse_report.v = -1; + delta_y = 0; + } else if (delta_y < -DELTA_Y_THRESHOLD) { + mouse_report.v = 1; + delta_y = 0; + } + mouse_report.x = 0; + mouse_report.y = 0; + } + return mouse_report; +} + +void keyboard_post_init_user(void) { + num_lock_state = host_keyboard_led_state().num_lock; + caps_lock_state = host_keyboard_led_state().caps_lock; +} + +uint32_t command_timeout(uint32_t trigger_time, void *cb_arg) { + cmd_window_state_t *cmd_window_state = (cmd_window_state_t *)cb_arg; +# ifdef CONSOLE_ENABLE + uprintf("Received command 0b%02b (", cmd_window_state->led_cmd); +# endif + switch (cmd_window_state->led_cmd) { + case TG_SCROLL: +# ifdef CONSOLE_ENABLE + uprint("TG_SCROLL)\n"); +# endif + scroll_enabled = !scroll_enabled; + break; + case CYC_DPI: +# ifdef CONSOLE_ENABLE + uprint("CYC_DPI)\n"); +# endif + cycle_dpi(); + break; + case CMD_RESET: +# ifdef CONSOLE_ENABLE + uprint("RESET)\n"); +# endif + reset_keyboard(); + break; + default: +# ifdef CONSOLE_ENABLE + uprint("unknown)\n"); +# endif + // Ignore unrecognised commands. + break; + } + cmd_window_state->led_cmd = 0; + cmd_window_state->num_lock_count = 0; + cmd_window_state->caps_lock_count = 0; + in_cmd_window = false; + + return 0; // Don't repeat +} + +bool led_update_user(led_t led_state) { + static cmd_window_state_t cmd_window_state = { + .led_cmd = 0b00, + .num_lock_count = 0, + .caps_lock_count = 0 + }; + + // Start timer to end command window if we are not already in the middle of + // one. + if (!in_cmd_window) { + in_cmd_window = true; + defer_exec(LED_CMD_TIMEOUT, command_timeout, &cmd_window_state); + } + + // Set num lock and caps lock bits when each is toggled on and off within + // the window. + if (led_state.num_lock != num_lock_state) { + cmd_window_state.num_lock_count++; + + if (cmd_window_state.num_lock_count == 2) { + cmd_window_state.led_cmd |= NUM_LOCK_BITMASK; + cmd_window_state.num_lock_count = 0; + } + } + + if (led_state.caps_lock != caps_lock_state) { + cmd_window_state.caps_lock_count++; + + if (cmd_window_state.caps_lock_count == 2) { + cmd_window_state.led_cmd |= CAPS_LOCK_BITMASK; + cmd_window_state.caps_lock_count = 0; + } + } + + // Keep our copy of the LED states in sync with the host. + num_lock_state = led_state.num_lock; + caps_lock_state = led_state.caps_lock; + return true; +} |