mirror of
https://github.com/qmk/qmk_firmware.git
synced 2026-06-20 14:23:45 -04:00
Nick Brassel
47 lines
1.7 KiB
C
47 lines
1.7 KiB
C
/* Copyright 2021 dnaq
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*
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* This program is free software: you can redistribute it and/or modify
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* it under the terms of the GNU General Public License as published by
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* the Free Software Foundation, either version 2 of the License, or
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* (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <limits.h>
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#include "plover_hid.h"
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#include "report.h"
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#include "host.h"
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#include "compiler_support.h"
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// The button index handed to plover_hid_update() is `keycode - QK_PLOVER_HID`, so the report's
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// data field must hold a bit for every keycode in the range or the bit-packing below overflows.
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STATIC_ASSERT(sizeof(((report_plover_hid_t *)0)->data) * CHAR_BIT >= (QK_PLOVER_HID_MAX - QK_PLOVER_HID + 1), "Plover HID report data too small for the QK_PLOVER_HID keycode range");
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static report_plover_hid_t plover_hid_report = {.report_id = REPORT_ID_PLOVER_HID};
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static bool plover_hid_report_updated = false;
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void plover_hid_update(uint8_t button, bool pressed) {
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if (pressed) {
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plover_hid_report.data[button / 8] |= (1 << (7 - (button % 8)));
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} else {
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plover_hid_report.data[button / 8] &= ~(1 << (7 - (button % 8)));
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}
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plover_hid_report_updated = true;
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}
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void plover_hid_task(void) {
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if (!plover_hid_report_updated) {
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return;
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}
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host_plover_hid_send(&plover_hid_report);
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plover_hid_report_updated = false;
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}
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