diff options
Diffstat (limited to 'keyboards/keychron/q1_pro/matrix.c')
| -rw-r--r-- | keyboards/keychron/q1_pro/matrix.c | 176 |
1 files changed, 0 insertions, 176 deletions
diff --git a/keyboards/keychron/q1_pro/matrix.c b/keyboards/keychron/q1_pro/matrix.c deleted file mode 100644 index ec623eb297..0000000000 --- a/keyboards/keychron/q1_pro/matrix.c +++ /dev/null @@ -1,176 +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 "stdint.h" -#include "hal.h" -#include "gpio.h" -#include "quantum.h" - -#ifndef DRIVE_SHRIFT_REGISTER_WITH_SPI -# define DRIVE_SHRIFT_REGISTER_WITH_SPI 0 -#endif - -#define HC595_STCP B0 -#define HC595_SHCP A1 -#define HC595_DS A7 - -pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; -pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; - -static inline void HC595_delay(uint16_t n) { - while (n-- > 0) { - asm volatile("nop" ::: "memory"); - }; -} - -#if (DRIVE_SHRIFT_REGISTER_WITH_SPI) -// clang-format off -const SPIConfig hs_spicfg = { - false, - NULL, - PAL_PORT(HC595_STCP), - PAL_PAD(HC595_STCP), - SPI_CR1_BR_1, - SPI_CR2_DS_3 | SPI_CR2_DS_2 | SPI_CR2_DS_1 | SPI_CR2_DS_0 | SPI_CR2_SSOE | SPI_CR2_NSSP - }; -// clang-format on -#endif - -static void HC595_output(uint16_t data) { -#if (DRIVE_SHRIFT_REGISTER_WITH_SPI) - spiStart(&SPID1, &hs_spicfg); - spiSend(&SPID1, 1, &data); -#else - uint8_t i; - uint8_t n = 1; - for (i = 16; i > 0; i--) { - writePinLow(HC595_SHCP); - - if (data & 0x8000) - writePinHigh(HC595_DS); - else - writePinLow(HC595_DS); - - data <<= 1; - - HC595_delay(n); - - writePinHigh(HC595_SHCP); - HC595_delay(n); - } - - HC595_delay(n); - writePinLow(HC595_STCP); - HC595_delay(n); - writePinHigh(HC595_STCP); -#endif -} - -static inline void setPinOutput_writeLow(pin_t pin) { - ATOMIC_BLOCK_FORCEON { - setPinOutput(pin); - writePinLow(pin); - } -} - -static inline void setPinInputHigh_atomic(pin_t pin) { - ATOMIC_BLOCK_FORCEON { - setPinInputHigh(pin); - } -} - -static inline uint8_t readMatrixPin(pin_t pin) { - if (pin != NO_PIN) { - return readPin(pin); - } else { - return 1; - } -} - -static bool select_col(uint8_t col) { - HC595_output(~(0x01 << col)); - return true; -} - -static void unselect_col(uint8_t col) { - HC595_output(0xFFFF); -} - -static void unselect_cols(void) { - HC595_output(0xFFFF); -} - -void select_all_cols(void) { - HC595_output(0x0000); -} - -void matrix_read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) { - // Select col - if (!select_col(current_col)) { // select col - return; // skip NO_PIN col - } - - HC595_delay(100); - - // 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] |= (MATRIX_ROW_SHIFTER << current_col); - } else { - // Pin HI, clear col bit - current_matrix[row_index] &= ~(MATRIX_ROW_SHIFTER << current_col); - } - } - - unselect_col(current_col); - HC595_delay(100); -} - -void matrix_init_custom(void) { - for (uint8_t x = 0; x < MATRIX_ROWS; x++) { - if (row_pins[x] != NO_PIN) { - setPinInputHigh_atomic(row_pins[x]); - } - } -#if (DRIVE_SHRIFT_REGISTER_WITH_SPI) - palSetPadMode(PAL_PORT(HC595_SHCP), PAL_PAD(HC595_SHCP), PAL_MODE_ALTERNATE(5) | PAL_STM32_OSPEED_HIGHEST); /* SCK */ - palSetPadMode(PAL_PORT(HC595_DS), PAL_PAD(HC595_DS), PAL_MODE_ALTERNATE(5) | PAL_STM32_OSPEED_HIGHEST); /* MOSI*/ - palSetPadMode(PAL_PORT(HC595_STCP), PAL_PAD(HC595_STCP), PAL_MODE_ALTERNATE(5) | PAL_STM32_OSPEED_HIGHEST); /* CS*/ -#else - setPinOutput(HC595_DS); - setPinOutput(HC595_STCP); - setPinOutput(HC595_SHCP); -#endif - unselect_cols(); -} - -bool matrix_scan_custom(matrix_row_t current_matrix[]) { - bool matrix_has_changed = false; - - matrix_row_t curr_matrix[MATRIX_ROWS] = {0}; - - // Set col, read rows - for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { - matrix_read_rows_on_col(curr_matrix, current_col); - } - - matrix_has_changed = memcmp(current_matrix, curr_matrix, sizeof(curr_matrix)) != 0; - if (matrix_has_changed) memcpy(current_matrix, curr_matrix, sizeof(curr_matrix)); - - return matrix_has_changed; -} |