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Diffstat (limited to 'keyboards/mschwingen/modelm/matrix.c')
-rw-r--r-- | keyboards/mschwingen/modelm/matrix.c | 113 |
1 files changed, 0 insertions, 113 deletions
diff --git a/keyboards/mschwingen/modelm/matrix.c b/keyboards/mschwingen/modelm/matrix.c deleted file mode 100644 index 7ea20b5a11..0000000000 --- a/keyboards/mschwingen/modelm/matrix.c +++ /dev/null @@ -1,113 +0,0 @@ -/* - * Copyright 2020 Michael Schwingen - - * 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 <stdint.h> -#include <stdbool.h> -#include "util.h" -#include "matrix.h" -#include "debounce.h" -#include "quantum.h" -#include "spi_master.h" -#include "print.h" -#include "modelm.h" - -#define SPI_TIMEOUT 100 - -/* Keyboard Matrix Assignments */ -static uint16_t row_bits[MATRIX_ROWS] = { - 0x4000, 0x8000, 0x2000, 0x1000, 0x0800, 0x0400, 0x0100, 0x0200, - 0x0040, 0x0080, 0x0020, 0x0010, 0x0008, 0x0004, 0x0001, 0x0002}; - -static const pin_t col_pins[MATRIX_COLS] = {D1, D4, D7, B4, F7, F6, F5, F4}; - -static void select_col(uint8_t col) { - setPinOutput(col_pins[col]); - writePinLow(col_pins[col]); -} - -static void unselect_col(uint8_t col) { setPinInputHigh(col_pins[col]); } - -static void unselect_cols(void) { - for (uint8_t x = 0; x < MATRIX_COLS; x++) { - setPinInputHigh(col_pins[x]); - } -} - -static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) { - uint16_t row_data; - bool matrix_changed = false; - - // Select col and wait for col selecton to stabilize - select_col(current_col); - matrix_io_delay(); - - writePinLow(SR_LOAD_PIN); - writePinHigh(SR_LOAD_PIN); - - row_data = spi_read() << 8; - row_data |= spi_read(); - - debug_hex8(~row_data); - dprint(" "); - - // For each row... - for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) { - // Store last value of row prior to reading - matrix_row_t last_row_value = current_matrix[row_index]; - matrix_row_t current_row_value = last_row_value; - - // Check row pin state - if ((row_data & row_bits[row_index]) == 0) { - // Pin LO, set col bit - current_row_value |= (MATRIX_ROW_SHIFTER << current_col); - } else { - // Pin HI, clear col bit - current_row_value &= ~(MATRIX_ROW_SHIFTER << current_col); - } - - // Determine if the matrix changed state - if ((last_row_value != current_row_value)) { - matrix_changed = true; - current_matrix[row_index] = current_row_value; - } - } - - // Unselect col - unselect_col(current_col); - - return matrix_changed; -} - -void matrix_init_custom(void) { - unselect_cols(); - - // set 4MHz SPI clock - SPSR = 0; - SPCR = _BV(SPE) | _BV(MSTR) | _BV(CPOL); -} - -bool matrix_scan_custom(matrix_row_t current_matrix[]) { - bool changed = false; - - dprint("\r\nScan: "); - - // Set col, read rows - for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { - changed |= read_rows_on_col(current_matrix, current_col); - } - update_layer_leds(); - return changed; -} |