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Diffstat (limited to 'keyboards/helix/pico/matrix.c')
| -rw-r--r-- | keyboards/helix/pico/matrix.c | 342 | 
1 files changed, 0 insertions, 342 deletions
| diff --git a/keyboards/helix/pico/matrix.c b/keyboards/helix/pico/matrix.c deleted file mode 100644 index b18213d846..0000000000 --- a/keyboards/helix/pico/matrix.c +++ /dev/null @@ -1,342 +0,0 @@ -/* -Copyright 2012 Jun Wako <[email protected]> - -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/>. -*/ - -/* - * scan matrix - */ -#include <stdint.h> -#include <stdbool.h> -#include <avr/io.h> -#include <avr/wdt.h> -#include <avr/interrupt.h> -#include <util/delay.h> -#include "print.h" -#include "debug.h" -#include "util.h" -#include "matrix.h" -#include "split_util.h" -#include "quantum.h" - -#ifdef USE_MATRIX_I2C -#  include "i2c.h" -#else // USE_SERIAL -#  include "serial.h" -#endif - -#ifndef DEBOUNCE -#  define DEBOUNCE	5 -#endif - -#define ERROR_DISCONNECT_COUNT 5 - -static uint8_t debouncing = DEBOUNCE; -static const int ROWS_PER_HAND = MATRIX_ROWS/2; -static uint8_t error_count = 0; - -static const uint8_t row_pins[MATRIX_ROWS] = MATRIX_ROW_PINS; -static const uint8_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 read_cols(void); -static void init_cols(void); -static void unselect_rows(void); -static void select_row(uint8_t row); -static uint8_t matrix_master_scan(void); - - -__attribute__ ((weak)) -void matrix_init_kb(void) { -    matrix_init_user(); -} - -__attribute__ ((weak)) -void matrix_scan_kb(void) { -    matrix_scan_user(); -} - -__attribute__ ((weak)) -void matrix_init_user(void) { -} - -__attribute__ ((weak)) -void matrix_scan_user(void) { -} - -inline -uint8_t matrix_rows(void) -{ -    return MATRIX_ROWS; -} - -inline -uint8_t matrix_cols(void) -{ -    return MATRIX_COLS; -} - -void matrix_init(void) -{ -    split_keyboard_setup(); - -    // initialize row and col -    unselect_rows(); -    init_cols(); - -    setPinOutput(B0); -    setPinOutput(D5); -    writePinHigh(B0); -    writePinHigh(D5); - -    // initialize matrix state: all keys off -    for (uint8_t i=0; i < MATRIX_ROWS; i++) { -        matrix[i] = 0; -        matrix_debouncing[i] = 0; -    } - -    matrix_init_quantum(); -} - -uint8_t _matrix_scan(void) -{ -    // Right hand is stored after the left in the matirx so, we need to offset it -    int offset = isLeftHand ? 0 : (ROWS_PER_HAND); - -    for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { -        select_row(i); -        _delay_us(30);  // without this wait read unstable value. -        matrix_row_t cols = read_cols(); -        if (matrix_debouncing[i+offset] != cols) { -            matrix_debouncing[i+offset] = cols; -            debouncing = DEBOUNCE; -        } -        unselect_rows(); -    } - -    if (debouncing) { -        if (--debouncing) { -            _delay_ms(1); -        } else { -            for (uint8_t i = 0; i < ROWS_PER_HAND; i++) { -                matrix[i+offset] = matrix_debouncing[i+offset]; -            } -        } -    } - -    return 1; -} - -#ifdef USE_MATRIX_I2C - -// Get rows from other half over i2c -int i2c_transaction(void) { -    int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; - -    int err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_WRITE); -    if (err) goto i2c_error; - -    // start of matrix stored at 0x00 -    err = i2c_master_write(0x00); -    if (err) goto i2c_error; - -    // Start read -    err = i2c_master_start(SLAVE_I2C_ADDRESS + I2C_READ); -    if (err) goto i2c_error; - -    if (!err) { -        int i; -        for (i = 0; i < ROWS_PER_HAND-1; ++i) { -            matrix[slaveOffset+i] = i2c_master_read(I2C_ACK); -        } -        matrix[slaveOffset+i] = i2c_master_read(I2C_NACK); -        i2c_master_stop(); -    } else { -i2c_error: // the cable is disconnceted, or something else went wrong -        i2c_reset_state(); -        return err; -    } - -    return 0; -} - -#else // USE_SERIAL - -int serial_transaction(void) { -    int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; -    int ret=serial_update_buffers(); -    if (ret ) { -        if(ret==2) writePinLow(B0); -        return 1; -    } -    writePinHigh(B0); -    for (int i = 0; i < ROWS_PER_HAND; ++i) { -        matrix[slaveOffset+i] = serial_slave_buffer[i]; -    } -    return 0; -} -#endif - -uint8_t matrix_scan(void) -{ -    if (is_helix_master()) { -        matrix_master_scan(); -    }else{ -        matrix_slave_scan(); - -          int offset = (isLeftHand) ? ROWS_PER_HAND : 0; - -          for (int i = 0; i < ROWS_PER_HAND; ++i) { -              matrix[offset+i] = serial_master_buffer[i]; -          } - -        matrix_scan_quantum(); -    } -    return 1; -} - - -uint8_t matrix_master_scan(void) { - -    int ret = _matrix_scan(); - -#ifndef KEYBOARD_helix_rev1 -    int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; - -#ifdef USE_MATRIX_I2C -//    for (int i = 0; i < ROWS_PER_HAND; ++i) { -        /* i2c_slave_buffer[i] = matrix[offset+i]; */ -//        i2c_slave_buffer[i] = matrix[offset+i]; -//    } -#else // USE_SERIAL -    for (int i = 0; i < ROWS_PER_HAND; ++i) { -        serial_master_buffer[i] = matrix[offset+i]; -    } -#endif -#endif - -#ifdef USE_MATRIX_I2C -    if( i2c_transaction() ) { -#else // USE_SERIAL -    if( serial_transaction() ) { -#endif -        // turn on the indicator led when halves are disconnected -        writePinLow(D5); - -        error_count++; - -        if (error_count > ERROR_DISCONNECT_COUNT) { -            // reset other half if disconnected -            int slaveOffset = (isLeftHand) ? (ROWS_PER_HAND) : 0; -            for (int i = 0; i < ROWS_PER_HAND; ++i) { -                matrix[slaveOffset+i] = 0; -            } -        } -    } else { -        // turn off the indicator led on no error -        writePinHigh(D5); -        error_count = 0; -    } -    matrix_scan_quantum(); -    return ret; -} - -void matrix_slave_scan(void) { -    _matrix_scan(); - -    int offset = (isLeftHand) ? 0 : ROWS_PER_HAND; - -#ifdef USE_MATRIX_I2C -    for (int i = 0; i < ROWS_PER_HAND; ++i) { -        /* i2c_slave_buffer[i] = matrix[offset+i]; */ -        i2c_slave_buffer[i] = matrix[offset+i]; -    } -#else // USE_SERIAL -    for (int i = 0; i < ROWS_PER_HAND; ++i) { -        serial_slave_buffer[i] = matrix[offset+i]; -    } -#endif -} - -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++) { -        print_hex8(row); print(": "); -        print_bin_reverse16(matrix_get_row(row)); -        print("\n"); -    } -} - -uint8_t matrix_key_count(void) -{ -    uint8_t count = 0; -    for (uint8_t i = 0; i < MATRIX_ROWS; i++) { -        count += bitpop16(matrix[i]); -    } -    return count; -} - -static void  init_cols(void) -{ -    for(int x = 0; x < MATRIX_COLS; x++) { -        _SFR_IO8((col_pins[x] >> 4) + 1) &=  ~_BV(col_pins[x] & 0xF); -        _SFR_IO8((col_pins[x] >> 4) + 2) |= _BV(col_pins[x] & 0xF); -    } -} - -static matrix_row_t read_cols(void) -{ -    matrix_row_t result = 0; -    for(int x = 0; x < MATRIX_COLS; x++) { -        result |= (_SFR_IO8(col_pins[x] >> 4) & _BV(col_pins[x] & 0xF)) ? 0 : (1 << x); -    } -    return result; -} - -static void unselect_rows(void) -{ -    for(int x = 0; x < ROWS_PER_HAND; x++) { -        _SFR_IO8((row_pins[x] >> 4) + 1) &=  ~_BV(row_pins[x] & 0xF); -        _SFR_IO8((row_pins[x] >> 4) + 2) |= _BV(row_pins[x] & 0xF); -    } -} - -static void select_row(uint8_t row) -{ -    _SFR_IO8((row_pins[row] >> 4) + 1) |=  _BV(row_pins[row] & 0xF); -    _SFR_IO8((row_pins[row] >> 4) + 2) &= ~_BV(row_pins[row] & 0xF); -} | 
