diff options
Diffstat (limited to 'keyboards/keychron/q2_pro/matrix.c')
| -rw-r--r-- | keyboards/keychron/q2_pro/matrix.c | 190 |
1 files changed, 0 insertions, 190 deletions
diff --git a/keyboards/keychron/q2_pro/matrix.c b/keyboards/keychron/q2_pro/matrix.c deleted file mode 100644 index b9ae5b0a4f..0000000000 --- a/keyboards/keychron/q2_pro/matrix.c +++ /dev/null @@ -1,190 +0,0 @@ -/* Copyright 2023 @ Keychron (https://www.keychron.com) - * - * 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 "quantum.h" - -#define HC595_STCP B0 -#define HC595_SHCP A1 -#define HC595_DS A7 - -#define DIRECT_COL_NUM 0 - -pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; -pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; - -static inline uint8_t readMatrixPin(pin_t pin) { - if (pin != NO_PIN) { - return readPin(pin); - } else { - return 1; - } -} - -static inline void setPinOutput_writeLow(pin_t pin) { - setPinOutput(pin); - writePinLow(pin); -} - -static inline void setPinOutput_writeHigh(pin_t pin) { - setPinOutput(pin); - writePinHigh(pin); -} - -static inline void HC595_delay(uint16_t n) { - while (n-- > 0) { - asm volatile("nop" ::: "memory"); - } -} - -static void HC595_output(uint16_t data) { - uint8_t i; - uint8_t n = 1; - - for (i = 0; i < (MATRIX_COLS - DIRECT_COL_NUM); i++) { - writePinLow(HC595_SHCP); - if (data & 0x1) { - writePinHigh(HC595_DS); - } else { - writePinLow(HC595_DS); - } - HC595_delay(n); - writePinHigh(HC595_SHCP); - HC595_delay(n); - - data = data >> 1; - } - writePinLow(HC595_STCP); - HC595_delay(n); - writePinHigh(HC595_STCP); -} - -static void HC595_output_bit(uint8_t data) { - uint8_t n = 1; - - writePinLow(HC595_SHCP); - if (data & 0x1) { - writePinHigh(HC595_DS); - } else { - writePinLow(HC595_DS); - } - HC595_delay(n); - - writePinHigh(HC595_SHCP); - HC595_delay(n); - - writePinLow(HC595_STCP); - HC595_delay(n); - writePinHigh(HC595_STCP); -} - -static void select_col(uint8_t col) { - if (col < DIRECT_COL_NUM) { - setPinOutput_writeLow(col_pins[col]); - } else { - if (col == DIRECT_COL_NUM) { - HC595_output_bit(0x00); - } - } -} - -static void unselect_col(uint8_t col) { - if (col < DIRECT_COL_NUM) { -#ifdef MATRIX_UNSELECT_DRIVE_HIGH - setPinOutput_writeHigh(col_pins[col]); -#else - setPinInputHigh(col_pins[col]); -#endif - } else { - HC595_output_bit(0x01); - } -} - -static void unselect_cols(void) { - for (uint8_t x = 0; x < MATRIX_COLS; x++) { - if (x < DIRECT_COL_NUM) { -#ifdef MATRIX_UNSELECT_DRIVE_HIGH - setPinOutput_writeHigh(col_pins[x]); -#else - setPinInputHigh(col_pins[x]); -#endif - } else { - if (x == DIRECT_COL_NUM) HC595_output(0xFFFF); - break; - } - } -} - -void select_all_cols(void) { - for (uint8_t x = 0; x < MATRIX_COLS; x++) { - if (x < DIRECT_COL_NUM) { - setPinOutput_writeLow(col_pins[x]); - } else { - if (x == DIRECT_COL_NUM) HC595_output(0x0000); - break; - } - } -} - -static void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col, matrix_row_t row_shifter) { - // Select col - select_col(current_col); // select col - HC595_delay(200); - - // For each row... - for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) { - // Check row pin state - if (readMatrixPin(row_pins[row_index]) == 0) { - // Pin LO, set col bit - current_matrix[row_index] |= row_shifter; - } else { - // Pin HI, clear col bit - current_matrix[row_index] &= ~row_shifter; - } - } - - // Unselect col - unselect_col(current_col); - HC595_delay(200); // wait for all Row signals to go HIGH -} - -void matrix_init_custom(void) { - setPinOutput(HC595_DS); - setPinOutput(HC595_STCP); - setPinOutput(HC595_SHCP); - - for (uint8_t x = 0; x < MATRIX_ROWS; x++) { - if (row_pins[x] != NO_PIN) { - setPinInputHigh(row_pins[x]); - } - } - - unselect_cols(); -} - -bool matrix_scan_custom(matrix_row_t current_matrix[]) { - matrix_row_t curr_matrix[MATRIX_ROWS] = {0}; - - // Set col, read rows - matrix_row_t row_shifter = MATRIX_ROW_SHIFTER; - for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++, row_shifter <<= 1) { - matrix_read_rows_on_col(curr_matrix, current_col, row_shifter); - } - - bool changed = memcmp(current_matrix, curr_matrix, sizeof(curr_matrix)) != 0; - if (changed) memcpy(current_matrix, curr_matrix, sizeof(curr_matrix)); - - return changed; -} |