diff options
Diffstat (limited to 'keyboards/clueboard_60/matrix.c')
| -rw-r--r-- | keyboards/clueboard_60/matrix.c | 177 |
1 files changed, 177 insertions, 0 deletions
diff --git a/keyboards/clueboard_60/matrix.c b/keyboards/clueboard_60/matrix.c new file mode 100644 index 000000000..76a15ca7e --- /dev/null +++ b/keyboards/clueboard_60/matrix.c @@ -0,0 +1,177 @@ +#include <stdint.h> +#include <stdbool.h> +#include <string.h> +#include "hal.h" +#include "timer.h" +#include "wait.h" +#include "printf.h" +#include "backlight.h" +#include "matrix.h" + + +/* Clueboard 60% + * + * Column pins are input with internal pull-down. + * Row pins are output and strobe with high. + * Key is high or 1 when it turns on. + * + * col: { PA2, PA3, PA6, PB14, PB15, PA8, PA9, PA7, PB3, PB4, PC15, PC14, PC13, PB5, PB6 } + * row: { PB0, PB1, PB2, PA15, PA10 } + */ +/* matrix state(1:on, 0:off) */ +static matrix_row_t matrix[MATRIX_ROWS]; +static matrix_row_t matrix_debouncing[MATRIX_COLS]; +static bool debouncing = false; +static uint16_t debouncing_time = 0; + +__attribute__ ((weak)) +void matrix_init_user(void) {} + +__attribute__ ((weak)) +void matrix_scan_user(void) {} + +__attribute__ ((weak)) +void matrix_init_kb(void) { + matrix_init_user(); +} + +__attribute__ ((weak)) +void matrix_scan_kb(void) { + matrix_scan_user(); +} + +void matrix_init(void) { + printf("matrix init\n"); + //debug_matrix = true; + + /* Column(sense) */ + palSetPadMode(GPIOA, 2, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOA, 3, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOA, 6, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOB, 14, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOB, 15, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOA, 8, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOA, 9, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOB, 3, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOB, 4, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOC, 15, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOC, 14, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOC, 13, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOB, 5, PAL_MODE_OUTPUT_PUSHPULL); + palSetPadMode(GPIOB, 6, PAL_MODE_OUTPUT_PUSHPULL); + + /* Row(strobe) */ + palSetPadMode(GPIOB, 0, PAL_MODE_INPUT_PULLDOWN); + palSetPadMode(GPIOB, 1, PAL_MODE_INPUT_PULLDOWN); + palSetPadMode(GPIOB, 2, PAL_MODE_INPUT_PULLDOWN); + palSetPadMode(GPIOA, 15, PAL_MODE_INPUT_PULLDOWN); + palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLDOWN); + + memset(matrix, 0, MATRIX_ROWS); + memset(matrix_debouncing, 0, MATRIX_COLS); + + /* Setup capslock */ + // palSetPadMode(GPIOB, 7, PAL_MODE_OUTPUT_PUSHPULL); + // palClearPad(GPIOB, 7); + + matrix_init_quantum(); +} + +uint8_t matrix_scan(void) { + for (int col = 0; col < MATRIX_COLS; col++) { + matrix_row_t data = 0; + + // strobe col { PA2, PA3, PA6, PB14, PB15, PA8, PA9, PA7, PB3, PB4, PC14, PC15, PC13, PB5, PB6 } + switch (col) { + case 0: palSetPad(GPIOA, 2); break; + case 1: palSetPad(GPIOA, 3); break; + case 2: palSetPad(GPIOA, 6); break; + case 3: palSetPad(GPIOB, 14); break; + case 4: palSetPad(GPIOB, 15); break; + case 5: palSetPad(GPIOA, 8); break; + case 6: palSetPad(GPIOA, 9); break; + case 7: palSetPad(GPIOA, 7); break; + case 8: palSetPad(GPIOB, 3); break; + case 9: palSetPad(GPIOB, 4); break; + case 10: palSetPad(GPIOC, 15); break; + case 11: palSetPad(GPIOC, 14); break; + case 12: palSetPad(GPIOC, 13); break; + case 13: palSetPad(GPIOB, 5); break; + case 14: palSetPad(GPIOB, 6); break; + } + + // need wait to settle pin state + wait_us(20); + + // read row data { PB0, PB1, PB2, PA15, PA10 } + data = ( + (palReadPad(GPIOB, 0) << 0 ) | + (palReadPad(GPIOB, 1) << 1 ) | + (palReadPad(GPIOB, 2) << 2 ) | + (palReadPad(GPIOA, 15) << 3 ) | + (palReadPad(GPIOA, 10) << 4 ) + ); + + // unstrobe col { PA2, PA3, PA6, PB14, PB15, PA8, PA9, PA7, PB3, PB4, PC15, PC14, PC13, PB5, PB6 } + switch (col) { + case 0: palClearPad(GPIOA, 2); break; + case 1: palClearPad(GPIOA, 3); break; + case 2: palClearPad(GPIOA, 6); break; + case 3: palClearPad(GPIOB, 14); break; + case 4: palClearPad(GPIOB, 15); break; + case 5: palClearPad(GPIOA, 8); break; + case 6: palClearPad(GPIOA, 9); break; + case 7: palClearPad(GPIOA, 7); break; + case 8: palClearPad(GPIOB, 3); break; + case 9: palClearPad(GPIOB, 4); break; + case 10: palClearPad(GPIOC, 15); break; + case 11: palClearPad(GPIOC, 14); break; + case 12: palClearPad(GPIOC, 13); break; + case 13: palClearPad(GPIOB, 5); break; + case 14: palClearPad(GPIOB, 6); break; + } + + if (matrix_debouncing[col] != data) { + matrix_debouncing[col] = data; + debouncing = true; + debouncing_time = timer_read(); + } + } + if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) { + for (int row = 0; row < MATRIX_ROWS; row++) { + matrix[row] = 0; + for (int col = 0; col < MATRIX_COLS; col++) { + matrix[row] |= ((matrix_debouncing[col] & (1 << row) ? 1 : 0) << col); + } + } + debouncing = false; + } + + matrix_scan_quantum(); + + return 1; +} + +bool matrix_is_on(uint8_t row, uint8_t col) { + return (matrix[row] & (1<<col)); +} + +matrix_row_t matrix_get_row(uint8_t row) { + return matrix[row]; +} + +void matrix_print(void) { + printf("\nr/c 01234567\n"); + for (uint8_t row = 0; row < MATRIX_ROWS; row++) { + printf("%X0: ", row); + matrix_row_t data = matrix_get_row(row); + for (int col = 0; col < MATRIX_COLS; col++) { + if (data & (1<<col)) + printf("1"); + else + printf("0"); + } + printf("\n"); + } +} |