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| author | IBNobody <ibnobody@gmail.com> | 2016-06-11 13:28:27 -0500 | 
|---|---|---|
| committer | IBNobody <ibnobody@gmail.com> | 2016-06-11 13:28:27 -0500 | 
| commit | 50621a2e6a7d03add0c202e5b2698338c7fbbf5b (patch) | |
| tree | d6f002712c22e8cf4523e04a9da889c7ec379d6b /keyboard/phantom/matrix.c | |
| parent | 26277dbdf40ba7247981361c956ea44c92bf76ea (diff) | |
| parent | d9e4dad0a828a8a904f44dda090a4d6d08fe2948 (diff) | |
| download | firmware-50621a2e6a7d03add0c202e5b2698338c7fbbf5b.tar.gz firmware-50621a2e6a7d03add0c202e5b2698338c7fbbf5b.tar.bz2 firmware-50621a2e6a7d03add0c202e5b2698338c7fbbf5b.zip  | |
Merge remote-tracking branch 'remotes/jackhumbert/master'
Diffstat (limited to 'keyboard/phantom/matrix.c')
| -rw-r--r-- | keyboard/phantom/matrix.c | 274 | 
1 files changed, 0 insertions, 274 deletions
diff --git a/keyboard/phantom/matrix.c b/keyboard/phantom/matrix.c deleted file mode 100644 index 6c3ae49c3..000000000 --- a/keyboard/phantom/matrix.c +++ /dev/null @@ -1,274 +0,0 @@ -/* Copyright 2012 Jun Wako <wakojun@gmail.com> - * - * This is heavily based on phantom/board.{c|h}. - * https://github.com/BathroomEpiphanies/AVR-Keyboard - * - * Copyright (c) 2012 Fredrik Atmer, Bathroom Epiphanies Inc - * http://bathroomepiphanies.com - * - * As for liscensing consult with the original files or its author. - */ -#include <stdint.h> -#include <stdbool.h> -#include <avr/io.h> -#include <util/delay.h> -#include "print.h" -#include "debug.h" -#include "util.h" -#include "matrix.h" - - -#ifndef DEBOUNCE -#   define DEBOUNCE	0 -#endif -static uint8_t debouncing = DEBOUNCE; - -// bit array of key state(1:on, 0:off) -static matrix_row_t matrix[MATRIX_ROWS]; -static matrix_row_t matrix_debouncing[MATRIX_ROWS]; - -static uint8_t read_rows(void); -static void init_rows(void); -static void unselect_cols(void); -static void select_col(uint8_t col); - -#ifndef SLEEP_LED_ENABLE -/* LEDs are on output compare pins OC1B OC1C -   This activates fast PWM mode on them. -   Prescaler 256 and 8-bit counter results in -   16000000/256/256 = 244 Hz blink frequency. -   LED_A: Caps Lock -   LED_B: Scroll Lock  */ -/* Output on PWM pins are turned off when the timer  -   reaches the value in the output compare register, -   and are turned on when it reaches TOP (=256). */ -static -void setup_leds(void) -{ -    TCCR1A |=      // Timer control register 1A -        (1<<WGM10) | // Fast PWM 8-bit -        (1<<COM1B1)| // Clear OC1B on match, set at TOP -        (1<<COM1C1); // Clear OC1C on match, set at TOP -    TCCR1B |=      // Timer control register 1B -        (1<<WGM12) | // Fast PWM 8-bit -        (1<<CS12);   // Prescaler 256 -    OCR1B = LED_BRIGHTNESS;    // Output compare register 1B -    OCR1C = LED_BRIGHTNESS;    // Output compare register 1C -    // LEDs: LED_A -> PORTB6, LED_B -> PORTB7 -    DDRB  |= (1<<6) | (1<<7); -    PORTB  &= ~((1<<6) | (1<<7)); -} -#endif - -inline -uint8_t matrix_rows(void) -{ -    return MATRIX_ROWS; -} - -inline -uint8_t matrix_cols(void) -{ -    return MATRIX_COLS; -} - -void matrix_init(void) -{ -    // To use PORTF disable JTAG with writing JTD bit twice within four cycles. -    MCUCR |= (1<<JTD); -    MCUCR |= (1<<JTD); -	 -    // initialize row and col -    unselect_cols(); -    init_rows(); -#ifndef SLEEP_LED_ENABLE -    setup_leds(); -#endif - -    // initialize matrix state: all keys off -    for (uint8_t i = 0; i < MATRIX_ROWS; i++)  { -        matrix[i] = 0; -        matrix_debouncing[i] = 0; -    } -} - -uint8_t matrix_scan(void) -{ -    for (uint8_t col = 0; col < MATRIX_COLS; col++) {  // 0-16 -        select_col(col); -        _delay_us(3);       // without this wait it won't read stable value. -        uint8_t rows = read_rows(); -        for (uint8_t row = 0; row < MATRIX_ROWS; row++) {  // 0-5 -            bool prev_bit = matrix_debouncing[row] & ((matrix_row_t)1<<col); -            bool curr_bit = rows & (1<<row); -            if (prev_bit != curr_bit) { -                matrix_debouncing[row] ^= ((matrix_row_t)1<<col); -                if (debouncing) { -                    dprint("bounce!: "); dprintf("%02X", debouncing); dprintln(); -                } -                debouncing = DEBOUNCE; -            } -        } -        unselect_cols(); -    } - -    if (debouncing) { -        if (--debouncing) { -            _delay_ms(1); -        } else { -            for (uint8_t i = 0; i < MATRIX_ROWS; i++) { -                matrix[i] = matrix_debouncing[i]; -            } -        } -    } - -    return 1; -} - -bool matrix_is_modified(void) -{ -    if (debouncing) return false; -    return true; -} - -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++) { -        xprintf("%02X: %032lb\n", row, bitrev32(matrix_get_row(row))); -    } -} - -uint8_t matrix_key_count(void) -{ -    uint8_t count = 0; -    for (uint8_t i = 0; i < MATRIX_ROWS; i++) { -        count += bitpop32(matrix[i]); -    } -    return count; -} - -/* Row pin configuration - * row: 0   1   2   3   4   5 - * pin: B5  B4  B3  B2  B1  B0 - */ -static void init_rows(void) -{ -    // Input with pull-up(DDR:0, PORT:1) -    DDRB  &= ~0b00111111; -    PORTB |= 0b00111111; -} - -static uint8_t read_rows(void) -{ -    return (PINB&(1<<5) ? 0 : (1<<0)) | -           (PINB&(1<<4) ? 0 : (1<<1)) | -           (PINB&(1<<3) ? 0 : (1<<2)) | -           (PINB&(1<<2) ? 0 : (1<<3)) | -           (PINB&(1<<1) ? 0 : (1<<4)) | -           (PINB&(1<<0) ? 0 : (1<<5)); -} - -/* Column pin configuration - * col: 0   1   2   3   4   5   6   7   8   9   10  11  12  13  14  15  16 - * pin: D5  C7  C6  D4  D0  E6  F0  F1  F4  F5  F6  F7  D7  D6  D1  D2  D3 - */ -static void unselect_cols(void) -{ -    // Hi-Z(DDR:0, PORT:0) to unselect -    DDRC  |= 0b11000000; // PC: 7 6 -    PORTC |= 0b11000000; -    DDRD  |= 0b11111111; // PD: 7 6 5 4 3 2 1 0 -    PORTD |= 0b11111111; -    DDRE  |= 0b01000000; // PE: 6 -    PORTE |= 0b01000000; -    DDRF  |= 0b11110011; // PF: 7 6 5 4 1 0 -    PORTF |= 0b11110011; -} - -static void select_col(uint8_t col) -{ -    // Output low(DDR:1, PORT:0) to select -    switch (col) { -        case 0: -            DDRD  |= (1<<5); -            PORTD &= ~(1<<5); -            break; -        case 1: -            DDRC  |= (1<<7); -            PORTC &= ~(1<<7); -            break; -        case 2: -            DDRC  |= (1<<6); -            PORTC &= ~(1<<6); -            break; -        case 3: -            DDRD  |= (1<<4); -            PORTD &= ~(1<<4); -            break; -        case 4: -            DDRD  |= (1<<0); -            PORTD &= ~(1<<0); -            break; -        case 5: -            DDRE  |= (1<<6); -            PORTE &= ~(1<<6); -            break; -        case 6: -            DDRF  |= (1<<0); -            PORTF &= ~(1<<0); -            break; -        case 7: -            DDRF  |= (1<<1); -            PORTF &= ~(1<<1); -            break; -        case 8: -            DDRF  |= (1<<4); -            PORTF &= ~(1<<4); -            break; -        case 9: -            DDRF  |= (1<<5); -            PORTF &= ~(1<<5); -            break; -        case 10: -            DDRF  |= (1<<6); -            PORTF &= ~(1<<6); -            break; -        case 11: -            DDRF  |= (1<<7); -            PORTF &= ~(1<<7); -            break; -        case 12: -            DDRD  |= (1<<7); -            PORTD &= ~(1<<7); -            break; -        case 13: -            DDRD  |= (1<<6); -            PORTD &= ~(1<<6); -            break; -        case 14: -            DDRD  |= (1<<1); -            PORTD &= ~(1<<1); -            break; -        case 15: -            DDRD  |= (1<<2); -            PORTD &= ~(1<<2); -            break; -        case 16: -            DDRD  |= (1<<3); -            PORTD &= ~(1<<3); -            break; -    } -}  | 
