diff options
Diffstat (limited to 'keyboards/kmac/matrix.c')
| -rw-r--r-- | keyboards/kmac/matrix.c | 359 |
1 files changed, 134 insertions, 225 deletions
diff --git a/keyboards/kmac/matrix.c b/keyboards/kmac/matrix.c index 00da96604..2212ee076 100644 --- a/keyboards/kmac/matrix.c +++ b/keyboards/kmac/matrix.c @@ -1,5 +1,5 @@ /* -Copyright 2017 Mathias Andersson <wraul@dbox.se> +Copyright 2017-2019 Mathias Andersson <wraul@dbox.se> 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 @@ -16,118 +16,137 @@ along with this program. If not, see <http://www.gnu.org/licenses/>. */ #include <stdint.h> #include <stdbool.h> -#if defined(__AVR__) -#include <avr/io.h> -#endif #include "wait.h" #include "print.h" #include "debug.h" #include "util.h" #include "matrix.h" -#include "timer.h" - - -/* Set 0 if debouncing isn't needed */ -#ifndef DEBOUNCE -# define DEBOUNCE 5 +#include "debounce.h" +#include "quantum.h" + +#if (MATRIX_COLS <= 8) +# define print_matrix_header() print("\nr/c 01234567\n") +# define print_matrix_row(row) print_bin_reverse8(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop(matrix[i]) +# define ROW_SHIFTER ((uint8_t)1) +#elif (MATRIX_COLS <= 16) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse16(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop16(matrix[i]) +# define ROW_SHIFTER ((uint16_t)1) +#elif (MATRIX_COLS <= 32) +# define print_matrix_header() print("\nr/c 0123456789ABCDEF0123456789ABCDEF\n") +# define print_matrix_row(row) print_bin_reverse32(matrix_get_row(row)) +# define matrix_bitpop(i) bitpop32(matrix[i]) +# define ROW_SHIFTER ((uint32_t)1) #endif -#define COL_SHIFTER ((uint32_t)1) - -static uint16_t debouncing_time; -static bool debouncing = false; - - -static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; +static const pin_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; +static const pin_t col_pins[MATRIX_COLS] = MATRIX_COL_PINS; /* 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 raw_matrix[MATRIX_ROWS]; // raw values +static matrix_row_t matrix[MATRIX_ROWS]; // debounced values -static void init_rows(void); -static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col); -static void unselect_cols(void); -static void select_col(uint8_t col); +__attribute__((weak)) void matrix_init_quantum(void) { matrix_init_kb(); } -inline -uint8_t matrix_rows(void) { - return MATRIX_ROWS; -} +__attribute__((weak)) void matrix_scan_quantum(void) { matrix_scan_kb(); } -inline -uint8_t matrix_cols(void) { - return MATRIX_COLS; -} +__attribute__((weak)) void matrix_init_kb(void) { matrix_init_user(); } -void matrix_init(void) { - unselect_cols(); - init_rows(); +__attribute__((weak)) void matrix_scan_kb(void) { matrix_scan_user(); } - // initialize matrix state: all keys off - for (uint8_t i=0; i < MATRIX_ROWS; i++) { - matrix[i] = 0; - matrix_debouncing[i] = 0; - } +__attribute__((weak)) void matrix_init_user(void) {} - matrix_init_quantum(); -} +__attribute__((weak)) void matrix_scan_user(void) {} -uint8_t matrix_scan(void) -{ - // Set col, read rows - for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { - bool matrix_changed = read_rows_on_col(matrix_debouncing, current_col); - if (matrix_changed) { - debouncing = true; - debouncing_time = timer_read(); - } - } - - if (debouncing && (timer_elapsed(debouncing_time) > DEBOUNCE)) { - for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - matrix[i] = matrix_debouncing[i]; - } - debouncing = false; - } +inline uint8_t matrix_rows(void) { return MATRIX_ROWS; } - matrix_scan_quantum(); - return 1; -} +inline uint8_t matrix_cols(void) { return MATRIX_COLS; } -inline -bool matrix_is_on(uint8_t row, uint8_t col) -{ - return (matrix[row] & ((matrix_row_t)1<<col)); -} +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]; -} +inline matrix_row_t matrix_get_row(uint8_t row) { return matrix[row]; } -void matrix_print(void) -{ - print("\nr/c 0123456789ABCDEFGHIJKLMNOPQRSTUV\n"); +void matrix_print(void) { + print_matrix_header(); for (uint8_t row = 0; row < MATRIX_ROWS; row++) { - phex(row); print(": "); - print_bin_reverse32(matrix_get_row(row)); + phex(row); + print(": "); + print_matrix_row(row); print("\n"); } } -uint8_t matrix_key_count(void) -{ +uint8_t matrix_key_count(void) { uint8_t count = 0; for (uint8_t i = 0; i < MATRIX_ROWS; i++) { - count += bitpop32(matrix[i]); + count += matrix_bitpop(i); } return count; } -static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) -{ +/* Columns 0 - 15 + * These columns uses two 74HC237D 3 to 8 bit demultiplexers. + * col / pin: PB6 PC6 PC7 PF1 PF0 + * 0: 0 1 0 0 0 + * 1: 0 1 0 0 1 + * 2: 0 1 0 1 0 + * 3: 0 1 0 1 1 + * 4: 0 1 1 0 0 + * 5: 0 1 1 0 1 + * 6: 0 1 1 1 0 + * 7: 0 1 1 1 1 + * 8: 1 0 0 0 0 + * 9: 1 0 0 0 1 + * 10: 1 0 0 1 0 + * 11: 1 0 0 1 1 + * 12: 1 0 1 0 0 + * 13: 1 0 1 0 1 + * 14: 1 0 1 1 0 + * 15: 1 0 1 1 1 + * + * col: 16 + * pin: PB5 + */ +static void unselect_cols(void) { + for (uint8_t x = 0; x < 6; x++) { + setPinOutput(col_pins[x]); + writePinLow(col_pins[x]); + } +} + +static void select_col(uint8_t col) { + if (col < 16) { + uint8_t c = col + 8; + + writePin(B6, c & 0b10000); + writePin(C6, c & 0b01000); + writePin(C7, c & 0b00100); + writePin(F1, c & 0b00010); + writePin(F0, c & 0b00001); + } else { + writePinHigh(B5); + } +} + +/* Row pin configuration + * row: 0 1 2 3 4 5 + * pin: D0 D1 D2 D3 D5 B7 + * + * Caps lock uses its own pin E2 + */ +static void init_pins(void) { + unselect_cols(); + for (uint8_t x = 0; x < MATRIX_ROWS; x++) { + setPinInput(row_pins[x]); + } + + setPinInputHigh(E2); +} + +static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) { bool matrix_changed = false; // Select col and wait for col selecton to stabilize @@ -135,42 +154,32 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) wait_us(30); // For each row... - for(uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) - { + for (uint8_t row_index = 0; row_index < MATRIX_ROWS; row_index++) { // Store last value of row prior to reading matrix_row_t last_row_value = current_matrix[row_index]; // Check row pin state // Use the otherwise unused row: 3, col: 0 for caps lock if (row_index == 3 && current_col == 0) { - // Pin E2 uses active low - if ((_SFR_IO8(E2 >> 4) & _BV(E2 & 0xF)) == 0) - { + if (readPin(E2) == 0) { // Pin LO, set col bit - current_matrix[row_index] |= (COL_SHIFTER << current_col); - } - else - { + current_matrix[row_index] |= (ROW_SHIFTER << current_col); + } else { // Pin HI, clear col bit - current_matrix[row_index] &= ~(COL_SHIFTER << current_col); + current_matrix[row_index] &= ~(ROW_SHIFTER << current_col); } - } - else { - if ((_SFR_IO8(row_pins[row_index] >> 4) & _BV(row_pins[row_index] & 0xF))) - { - // Pin HI, set col bit - current_matrix[row_index] |= (COL_SHIFTER << current_col); - } - else - { - // Pin LO, clear col bit - current_matrix[row_index] &= ~(COL_SHIFTER << current_col); + } else { + if (readPin(row_pins[row_index]) == 0) { + // Pin HI, clear col bit + current_matrix[row_index] &= ~(ROW_SHIFTER << current_col); + } else { + // Pin LO, set col bit + current_matrix[row_index] |= (ROW_SHIFTER << current_col); } } // Determine if the matrix changed state - if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) - { + if ((last_row_value != current_matrix[row_index]) && !(matrix_changed)) { matrix_changed = true; } } @@ -181,131 +190,31 @@ static bool read_rows_on_col(matrix_row_t current_matrix[], uint8_t current_col) return matrix_changed; } -/* Row pin configuration - * row: 0 1 2 3 4 5 - * pin: D0 D1 D2 D3 D5 B7 - * - * Caps lock uses its own pin E2 - */ -static void init_rows(void) -{ - DDRD &= ~((1<<0)| (1<<1) | (1<<2) | (1<<3) | (1<<5)); // IN - PORTD &= ~((1<<0)| (1<<1) | (1<<2) | (1<<3) | (1<<5)); // LO - DDRB &= ~(1<<7); // IN - PORTB &= ~(1<<7); // LO - - DDRE &= ~(1<<2); // IN - PORTE |= (1<<2); // HI -} +void matrix_init(void) { + // initialize key pins + init_pins(); -/* Columns 0 - 15 - * These columns uses two 74HC237D 3 to 8 bit demultiplexers. - * col / pin: PC6 PB6 PF0 PF1 PC7 - * 0: 1 0 0 0 0 - * 1: 1 0 1 0 0 - * 2: 1 0 0 1 0 - * 3: 1 0 1 1 0 - * 4: 1 0 0 0 1 - * 5: 1 0 1 0 1 - * 6: 1 0 0 1 1 - * 7: 1 0 1 1 1 - * 8: 0 1 0 0 0 - * 9: 0 1 1 0 0 - * 10: 0 1 0 1 0 - * 11: 0 1 1 1 0 - * 12: 0 1 0 0 1 - * 13: 0 1 1 0 1 - * 14: 0 1 0 1 1 - * 15: 0 1 1 1 1 - * - * col: 16 - * pin: PB5 - */ -static void unselect_cols(void) -{ - DDRB |= (1<<5) | (1<<6); // OUT - PORTB &= ~((1<<5) | (1<<6)); // LO + // initialize matrix state: all keys off + for (uint8_t i = 0; i < MATRIX_ROWS; i++) { + raw_matrix[i] = 0; + matrix[i] = 0; + } - DDRC |= (1<<6) | (1<<7); // OUT - PORTC &= ~((1<<6) | (1<<7)); // LO + debounce_init(MATRIX_ROWS); - DDRF |= (1<<0) | (1<<1); // OUT - PORTF &= ~((1<<0) | (1<<1)); // LO + matrix_init_quantum(); } -static void select_col(uint8_t col) -{ - switch (col) { - case 0: - PORTC |= (1<<6); // HI - break; - case 1: - PORTC |= (1<<6); // HI - PORTF |= (1<<0); // HI - break; - case 2: - PORTC |= (1<<6); // HI - PORTF |= (1<<1); // HI - break; - case 3: - PORTC |= (1<<6); // HI - PORTF |= (1<<0) | (1<<1); // HI - break; - case 4: - PORTC |= (1<<6); // HI - PORTC |= (1<<7); // HI - break; - case 5: - PORTC |= (1<<6); // HI - PORTF |= (1<<0); // HI - PORTC |= (1<<7); // HI - break; - case 6: - PORTC |= (1<<6); // HI - PORTF |= (1<<1); // HI - PORTC |= (1<<7); // HI - break; - case 7: - PORTC |= (1<<6); // HI - PORTF |= (1<<0) | (1<<1); // HI - PORTC |= (1<<7); // HI - break; - case 8: - PORTB |= (1<<6); // HI - break; - case 9: - PORTB |= (1<<6); // HI - PORTF |= (1<<0); // HI - break; - case 10: - PORTB |= (1<<6); // HI - PORTF |= (1<<1); // HI - break; - case 11: - PORTB |= (1<<6); // HI - PORTF |= (1<<0) | (1<<1); // HI - break; - case 12: - PORTB |= (1<<6); // HI - PORTC |= (1<<7); // HI - break; - case 13: - PORTB |= (1<<6); // HI - PORTF |= (1<<0); // HI - PORTC |= (1<<7); // HI - break; - case 14: - PORTB |= (1<<6); // HI - PORTF |= (1<<1); // HI - PORTC |= (1<<7); // HI - break; - case 15: - PORTB |= (1<<6); // HI - PORTF |= (1<<0) | (1<<1); // HI - PORTC |= (1<<7); // HI - break; - case 16: - PORTB |= (1<<5); // HI - break; +uint8_t matrix_scan(void) { + bool changed = false; + + for (uint8_t current_col = 0; current_col < MATRIX_COLS; current_col++) { + changed |= read_rows_on_col(raw_matrix, current_col); } + + debounce(raw_matrix, matrix, MATRIX_ROWS, changed); + + matrix_scan_quantum(); + + return (uint8_t)changed; } |