44 lines
1.5 KiB
C
44 lines
1.5 KiB
C
/* Copyright 2022 durken (https://github.com/durken1/)
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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 "matrix.h"
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#include "i2c_slave.h"
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#define MY_I2C_ADDRESS (0x20U << 1)
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void matrix_init_custom(void) {
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i2c_slave_init(MY_I2C_ADDRESS);
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}
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bool matrix_scan_custom(matrix_row_t current_matrix[]) {
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bool matrix_has_changed = false;
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matrix_row_t current_row_value;
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for (uint8_t current_row = 0; current_row < MATRIX_ROWS; current_row++) {
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current_row_value = 0; // Start with empty row
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current_row_value |= (((matrix_row_t)(i2c_slave_reg[current_row+4])) << 5); // Add left half scan
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current_row_value |= ((matrix_row_t)i2c_slave_reg[current_row]); // Add right half scan
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if (current_matrix[current_row] != current_row_value) {
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matrix_has_changed = true;
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}
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current_matrix[current_row] = current_row_value;
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}
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return matrix_has_changed;
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}
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