From 613fdb24fcdb4f8920f0d344cad5800d343f535c Mon Sep 17 00:00:00 2001 From: tmk Date: Fri, 23 Nov 2012 12:10:36 +0900 Subject: Add initial files for Phantom from Tranquilite@GH. --- keyboard/phantom/matrix.c | 249 ++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 249 insertions(+) create mode 100644 keyboard/phantom/matrix.c (limited to 'keyboard/phantom/matrix.c') diff --git a/keyboard/phantom/matrix.c b/keyboard/phantom/matrix.c new file mode 100644 index 000000000..07f3f4289 --- /dev/null +++ b/keyboard/phantom/matrix.c @@ -0,0 +1,249 @@ +/* Copyright 2012 Jun Wako + * + * 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 +#include +#include +#include +#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; +static matrix_row_t *matrix_debounced; +static matrix_row_t _matrix0[MATRIX_ROWS]; +static matrix_row_t _matrix1[MATRIX_ROWS]; + + +#define _DDRA (uint8_t *const)&DDRA +#define _DDRB (uint8_t *const)&DDRB +#define _DDRC (uint8_t *const)&DDRC +#define _DDRD (uint8_t *const)&DDRD +#define _DDRE (uint8_t *const)&DDRE +#define _DDRF (uint8_t *const)&DDRF + +#define _PINA (uint8_t *const)&PINA +#define _PINB (uint8_t *const)&PINB +#define _PINC (uint8_t *const)&PINC +#define _PIND (uint8_t *const)&PIND +#define _PINE (uint8_t *const)&PINE +#define _PINF (uint8_t *const)&PINF + +#define _PORTA (uint8_t *const)&PORTA +#define _PORTB (uint8_t *const)&PORTB +#define _PORTC (uint8_t *const)&PORTC +#define _PORTD (uint8_t *const)&PORTD +#define _PORTE (uint8_t *const)&PORTE +#define _PORTF (uint8_t *const)&PORTF + +#define _BIT0 0x01 +#define _BIT1 0x02 +#define _BIT2 0x04 +#define _BIT3 0x08 +#define _BIT4 0x10 +#define _BIT5 0x20 +#define _BIT6 0x40 +#define _BIT7 0x80 + +/* Specifies the ports and pin numbers for the rows */ +static +uint8_t *const row_ddr[MATRIX_ROWS] = {_DDRB, _DDRB, _DDRB, _DDRB, _DDRB, _DDRB}; + +static +uint8_t *const row_port[MATRIX_ROWS] = {_PORTB, _PORTB, _PORTB, _PORTB, _PORTB, _PORTB}; + +static +uint8_t *const row_pin[MATRIX_ROWS] = {_PINB, _PINB, _PINB, _PINB, _PINB, _PINB}; + +static +const uint8_t row_bit[MATRIX_ROWS] = { _BIT0, _BIT1, _BIT2, _BIT3, _BIT4, _BIT5}; + +/* Specifies the ports and pin numbers for the columns */ +static +uint8_t *const col_ddr[MATRIX_COLS] = { _DDRD, _DDRC, _DDRC, _DDRD, _DDRD, _DDRE, + _DDRF, _DDRF, _DDRF, _DDRF, _DDRF, _DDRF, + _DDRD, _DDRD, _DDRD, _DDRD, _DDRD}; + +static +uint8_t *const col_port[MATRIX_COLS] = {_PORTD, _PORTC, _PORTC, _PORTD, _PORTD, _PORTE, + _PORTF, _PORTF, _PORTF, _PORTF, _PORTF, _PORTF, + _PORTD, _PORTD, _PORTD, _PORTD, _PORTD}; + +static +const uint8_t col_bit[MATRIX_COLS] = { _BIT5, _BIT7, _BIT6, _BIT4, _BIT0, _BIT6, + _BIT0, _BIT1, _BIT4, _BIT5, _BIT6, _BIT7, + _BIT7, _BIT6, _BIT1, _BIT2, _BIT3}; + +static +inline void pull_column(int col) { + *col_port[col] &= ~col_bit[col]; +} + +static +inline void release_column(int col) { + *col_port[col] |= col_bit[col]; +} + +/* PORTB is set as input with pull-up resistors + PORTC,D,E,F are set to high output */ + +static +void setup_io_pins(void) { + uint8_t row, col; + for(row = 0; row < MATRIX_ROWS; row++) { + *row_ddr[row] &= ~row_bit[row]; + *row_port[row] |= row_bit[row]; + } + for(col = 0; col < MATRIX_COLS; col++) { + *col_ddr[col] |= col_bit[col]; + *col_port[col] |= col_bit[col]; + } +} + +/* 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< PORTB6, LED_B -> PORTB7 + DDRB &= 0x3F; + PORTB &= 0x3F; +} + + +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<