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#include <string.h> |
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#include "hal.h" |
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#include "timer.h" |
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#include "wait.h" |
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#include "printf.h" |
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#include "backlight.h" |
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#include "matrix.h" |
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#include "action.h" |
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#include "keycode.h" |
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/* matrix state(1:on, 0:off) */ |
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static matrix_row_t matrix[MATRIX_ROWS]; |
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static matrix_row_t matrix_debouncing[MATRIX_COLS]; |
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static bool debouncing = false; |
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static uint16_t debouncing_time = 0; |
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static uint8_t encoder_state = 0; |
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static int8_t encoder_value = 0; |
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static int8_t encoder_LUT[] = { 0, -1, 1, 0, 1, 0, 0, -1, -1, 0, 0, 1, 0, 1, -1, 0 }; |
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__attribute__ ((weak)) |
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void matrix_init_user(void) {} |
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__attribute__ ((weak)) |
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void matrix_scan_user(void) {} |
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__attribute__ ((weak)) |
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void matrix_init_kb(void) { |
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matrix_init_user(); |
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} |
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__attribute__ ((weak)) |
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void matrix_scan_kb(void) { |
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matrix_scan_user(); |
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} |
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void matrix_init(void) { |
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printf("matrix init\n"); |
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//debug_matrix = true; |
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// encoder setup |
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palSetPadMode(GPIOB, 13, PAL_MODE_INPUT_PULLUP); |
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palSetPadMode(GPIOB, 14, PAL_MODE_INPUT_PULLUP); |
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encoder_state = (palReadPad(GPIOB, 13) << 0) | (palReadPad(GPIOB, 14) << 1); |
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// actual matrix setup |
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palSetPadMode(GPIOB, 8, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOB, 2, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOB, 10, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOA, 0, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOA, 1, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOA, 2, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOB, 0, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOA, 3, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOB, 1, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOA, 6, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOA, 7, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOB, 12, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOC, 13, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOB, 11, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOB, 9, PAL_MODE_OUTPUT_PUSHPULL); |
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palSetPadMode(GPIOC, 15, PAL_MODE_INPUT_PULLDOWN); |
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palSetPadMode(GPIOC, 14, PAL_MODE_INPUT_PULLDOWN); |
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palSetPadMode(GPIOA, 10, PAL_MODE_INPUT_PULLDOWN); |
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palSetPadMode(GPIOA, 9, PAL_MODE_INPUT_PULLDOWN); |
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palSetPadMode(GPIOA, 8, PAL_MODE_INPUT_PULLDOWN); |
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memset(matrix, 0, MATRIX_ROWS * sizeof(matrix_row_t)); |
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memset(matrix_debouncing, 0, MATRIX_COLS * sizeof(matrix_row_t)); |
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matrix_init_quantum(); |
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} |
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__attribute__ ((weak)) |
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void encoder_update(bool clockwise) { } |
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#ifndef ENCODER_RESOLUTION |
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#define ENCODER_RESOLUTION 4 |
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#endif |
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uint8_t matrix_scan(void) { |
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// encoder on B13 and B14 |
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encoder_state <<= 2; |
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encoder_state |= (palReadPad(GPIOB, 13) << 0) | (palReadPad(GPIOB, 14) << 1); |
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encoder_value += encoder_LUT[encoder_state & 0xF]; |
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if (encoder_value >= ENCODER_RESOLUTION) { |
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encoder_update(0); |
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} |
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if (encoder_value <= -ENCODER_RESOLUTION) { // direction is arbitrary here, but this clockwise |
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encoder_update(1); |
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} |
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encoder_value %= ENCODER_RESOLUTION; |
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// actual matrix |
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for (int col = 0; col < MATRIX_COLS; col++) { |
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matrix_row_t data = 0; |
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// strobe col { PB8, PB2, PB10, PA0, PA1, PA2, PB0, PA3, PB1, PA6, PA7, PB1, PA6, PA7, PB12, PC3, PB11, } |
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switch (col) { |
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case 0: palSetPad(GPIOB, 8); break; |
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case 1: palSetPad(GPIOB, 2); break; |
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case 2: palSetPad(GPIOB, 10); break; |
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case 3: palSetPad(GPIOA, 0); break; |
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case 4: palSetPad(GPIOA, 1); break; |
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case 5: palSetPad(GPIOA, 2); break; |
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case 6: palSetPad(GPIOB, 0); break; |
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case 7: palSetPad(GPIOA, 3); break; |
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case 8: palSetPad(GPIOB, 1); break; |
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case 9: palSetPad(GPIOA, 6); break; |
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case 10: palSetPad(GPIOA, 7); break; |
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case 11: palSetPad(GPIOB, 12); break; |
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case 12: palSetPad(GPIOC, 13); break; |
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case 13: palSetPad(GPIOB, 11); break; |
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case 14: palSetPad(GPIOB, 9); break; |
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} |
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// need wait to settle pin state |
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wait_us(20); |
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// read row data { PC15, PC14, PA10, PA9, PA8 } |
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data = ( |
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(palReadPad(GPIOC, 15) << 0 ) | |
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(palReadPad(GPIOC, 14) << 1 ) | |
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(palReadPad(GPIOA, 10) << 2 ) | |
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(palReadPad(GPIOA, 9) << 3 ) | |
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(palReadPad(GPIOA, 8) << 4 ) |
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); |
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// unstrobe col { PB8, PB2, PB10, PA0, PA1, PA2, PB0, PA3, PB1, PA6, PA7, PB1, PA6, PA7, PB12, PC3, PB11, } |
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switch (col) { |
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case 0: palClearPad(GPIOB, 8); break; |
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case 1: palClearPad(GPIOB, 2); break; |
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case 2: palClearPad(GPIOB, 10); break; |
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case 3: palClearPad(GPIOA, 0); break; |
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case 4: palClearPad(GPIOA, 1); break; |
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case 5: palClearPad(GPIOA, 2); break; |
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case 6: palClearPad(GPIOB, 0); break; |
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case 7: palClearPad(GPIOA, 3); break; |
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case 8: palClearPad(GPIOB, 1); break; |
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case 9: palClearPad(GPIOA, 6); break; |
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case 10: palClearPad(GPIOA, 7); break; |
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case 11: palClearPad(GPIOB, 12); break; |
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case 12: palClearPad(GPIOC, 13); break; |
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case 13: palClearPad(GPIOB, 11); break; |
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case 14: palClearPad(GPIOB, 9); break; |
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} |
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if (matrix_debouncing[col] != data) { |
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matrix_debouncing[col] = data; |
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debouncing = true; |
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debouncing_time = timer_read(); |
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} |
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} |
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if (debouncing && timer_elapsed(debouncing_time) > DEBOUNCE) { |
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for (int row = 0; row < MATRIX_ROWS; row++) { |
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matrix[row] = 0; |
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for (int col = 0; col < MATRIX_COLS; col++) { |
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matrix[row] |= ((matrix_debouncing[col] & (1 << row) ? 1 : 0) << col); |
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} |
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} |
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debouncing = false; |
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} |
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matrix_scan_quantum(); |
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return 1; |
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} |
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bool matrix_is_on(uint8_t row, uint8_t col) { |
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return (matrix[row] & (1<<col)); |
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} |
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matrix_row_t matrix_get_row(uint8_t row) { |
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return matrix[row]; |
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} |
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void matrix_print(void) { |
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printf("\nr/c 01234567\n"); |
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for (uint8_t row = 0; row < MATRIX_ROWS; row++) { |
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printf("%X0: ", row); |
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matrix_row_t data = matrix_get_row(row); |
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for (int col = 0; col < MATRIX_COLS; col++) { |
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if (data & (1<<col)) |
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printf("1"); |
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else |
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printf("0"); |
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} |
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printf("\n"); |
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} |
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} |