diff options
Diffstat (limited to 'keyboards/chibios_test/stm32_f072_onekey/matrix.c')
| -rw-r--r-- | keyboards/chibios_test/stm32_f072_onekey/matrix.c | 163 |
1 files changed, 0 insertions, 163 deletions
diff --git a/keyboards/chibios_test/stm32_f072_onekey/matrix.c b/keyboards/chibios_test/stm32_f072_onekey/matrix.c deleted file mode 100644 index a05b38cd4c..0000000000 --- a/keyboards/chibios_test/stm32_f072_onekey/matrix.c +++ /dev/null @@ -1,163 +0,0 @@ -/* -Copyright 2012 Jun Wako <wakojun@gmail.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 "ch.h" -#include "hal.h" - -/* - * scan matrix - */ -#include "print.h" -#include "debug.h" -#include "util.h" -#include "matrix.h" -#include "wait.h" - -#ifndef DEBOUNCE -# define DEBOUNCE 5 -#endif -static uint8_t debouncing = DEBOUNCE; - -/* matrix state(1:on, 0:off) */ -static matrix_row_t matrix[MATRIX_ROWS]; -static matrix_row_t matrix_debouncing[MATRIX_ROWS]; - -static matrix_row_t read_cols(void); -static void init_cols(void); -static void unselect_rows(void); -static void select_row(uint8_t row); - - -inline -uint8_t matrix_rows(void) -{ - return MATRIX_ROWS; -} - -inline -uint8_t matrix_cols(void) -{ - return MATRIX_COLS; -} - -#define LED_ON() do { palSetPad(GPIOC, GPIOC_LED_BLUE) ;} while (0) -#define LED_OFF() do { palClearPad(GPIOC, GPIOC_LED_BLUE); } while (0) -#define LED_TGL() do { palTogglePad(GPIOC, GPIOC_LED_BLUE); } while (0) - -void matrix_init(void) -{ - // initialize row and col - unselect_rows(); - init_cols(); - - // initialize matrix state: all keys off - for (uint8_t i=0; i < MATRIX_ROWS; i++) { - matrix[i] = 0; - matrix_debouncing[i] = 0; - } - - //debug - debug_matrix = true; - LED_ON(); - wait_ms(500); - LED_OFF(); -} - -uint8_t matrix_scan(void) -{ - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - select_row(i); - wait_us(30); // without this wait read unstable value. - matrix_row_t cols = read_cols(); - if (matrix_debouncing[i] != cols) { - matrix_debouncing[i] = cols; - if (debouncing) { - debug("bounce!: "); debug_hex(debouncing); debug("\n"); - } - debouncing = DEBOUNCE; - } - unselect_rows(); - } - - if (debouncing) { - if (--debouncing) { - wait_ms(1); - } else { - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - matrix[i] = matrix_debouncing[i]; - } - } - } - - return 1; -} - -inline -bool matrix_is_on(uint8_t row, uint8_t col) -{ - return (matrix[row] & ((matrix_row_t)1<<col)); -} - -inline -matrix_row_t matrix_get_row(uint8_t row) -{ - return matrix[row]; -} - -void matrix_print(void) -{ - print("\nr/c 0123456789ABCDEF\n"); - for (uint8_t row = 0; row < MATRIX_ROWS; row++) { - phex(row); print(": "); - pbin_reverse16(matrix_get_row(row)); - print("\n"); - } -} - -/* Column pin configuration - */ -static void init_cols(void) -{ - // don't need pullup/down, since it's pulled down in hardware - palSetPadMode(GPIOA, GPIOA_BUTTON, PAL_MODE_INPUT); -} - -/* Returns status of switches(1:on, 0:off) */ -static matrix_row_t read_cols(void) -{ - return ((palReadPad(GPIOA, GPIOA_BUTTON)==PAL_LOW) ? 0 : (1<<0)); - // | ((palReadPad(...)==PAL_HIGH) ? 0 : (1<<1)) -} - -/* Row pin configuration - */ -static void unselect_rows(void) -{ - // palSetPadMode(GPIOA, GPIOA_PIN10, PAL_MODE_INPUT); // hi-Z -} - -static void select_row(uint8_t row) -{ - (void)row; - // Output low to select - // switch (row) { - // case 0: - // palSetPadMode(GPIOA, GPIOA_PIN10, PAL_MODE_OUTPUT_PUSHPULL); - // palSetPad(GPIOA, GPIOA_PIN10, PAL_LOW); - // break; - // } -} |