drashna/qmk_firmware
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Add PS/2 mouse support to connect TrackPoint Unit.

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Change build options:  Makefile and config.h. See README.
This commit is contained in:
tmk 2011-01-02 23:52:13 +09:00
parent 1ed336a064
commit 2a562a4191
27 changed files with 954 additions and 314 deletions
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100
macway/matrix.c
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@ -7,16 +7,10 @@
#include <util/delay.h>
#include "print.h"
#include "util.h"
#include "controller.h"
#include "matrix_skel.h"
// matrix is active low. (key on: 0/key off: 1)
// row: Hi-Z(unselected)/low output(selected)
// PD0, PC7, PD7, PF6, PD6, PD1, PD2, PC6, PF7
// col: input w/pullup
// PB0-PB7
// matrix state buffer
// matrix state buffer (key on: 1/key off: 0)
static uint8_t *matrix;
static uint8_t *matrix_prev;
static uint8_t _matrix0[MATRIX_ROWS];
@ -45,6 +39,7 @@ void matrix_init(void)
{
// initialize row and col
unselect_rows();
// Input with pull-up(DDR:0, PORT:1)
DDRB = 0x00;
PORTB = 0xFF;
@ -64,11 +59,12 @@ int matrix_scan(void)
matrix = tmp;
for (int i = 0; i < MATRIX_ROWS; i++) {
unselect_rows();
select_row(i);
_delay_us(30); // without this wait read unstable value.
matrix[i] = ~read_col();
unselect_rows();
}
unselect_rows();
return 1;
}
@ -145,88 +141,56 @@ static uint8_t read_col(void)
static void unselect_rows(void)
{
DDRD = 0x00;
PORTD = 0x00;
DDRC = 0x00;
PORTC = 0x00;
DDRF = 0x00;
PORTF = 0x00;
// Hi-Z(DDR:0, PORT:0) to unselect
DDRC &= ~0b11000000; // PC: 7,6
PORTC &= ~0b11000000;
DDRD &= ~0b11000111; // PD: 7,6,2,1,0
PORTD &= ~0b11000111;
DDRF &= ~0b11000000; // PF: 7,6
PORTF &= ~0b11000000;
}
static void select_row(uint8_t row)
{
// Output low(DDR:1, PORT:0) to select
// row: 0 1 2 3 4 5 6 7 8
// pin: PD0, PC7, PD7, PF6, PD6, PD1, PD2, PC6, PF7
switch (row) {
case 0:
DDRD = (1<<0);
PORTD = 0x00;
DDRC = 0x00;
PORTC = 0x00;
DDRF = 0x00;
PORTF = 0x00;
DDRD |= (1<<0);
PORTD &= ~(1<<0);
break;
case 1:
DDRD = 0x00;
PORTD = 0x00;
DDRC = (1<<7);
PORTC = 0x00;
DDRF = 0x00;
PORTF = 0x00;
DDRC |= (1<<7);
PORTC &= ~(1<<7);
break;
case 2:
DDRD = (1<<7);
PORTD = 0x00;
DDRC = 0x00;
PORTC = 0x00;
DDRF = 0x00;
PORTF = 0x00;
DDRD |= (1<<7);
PORTD &= ~(1<<7);
break;
case 3:
DDRD = 0x00;
PORTD = 0x00;
DDRC = 0x00;
PORTC = 0x00;
DDRF = (1<<6);
PORTF = 0x00;
DDRF |= (1<<6);
PORTF &= ~(1<<6);
break;
case 4:
DDRD = (1<<6);
PORTD = 0x00;
DDRC = 0x00;
PORTC = 0x00;
DDRF = 0x00;
PORTF = 0x00;
DDRD |= (1<<6);
PORTD &= ~(1<<6);
break;
case 5:
DDRD = (1<<1);
PORTD = 0x00;
DDRC = 0x00;
PORTC = 0x00;
DDRF = 0x00;
PORTF = 0x00;
DDRD |= (1<<1);
PORTD &= ~(1<<1);
break;
case 6:
DDRD = (1<<2);
PORTD = 0x00;
DDRC = 0x00;
PORTC = 0x00;
DDRF = 0x00;
PORTF = 0x00;
DDRD |= (1<<2);
PORTD &= ~(1<<2);
break;
case 7:
DDRD = 0x00;
PORTD = 0x00;
DDRC = (1<<6);
PORTC = 0x00;
DDRF = 0x00;
PORTF = 0x00;
DDRC |= (1<<6);
PORTC &= ~(1<<6);
break;
case 8:
DDRD = 0x00;
PORTD = 0x00;
DDRC = 0x00;
PORTC = 0x00;
DDRF = (1<<7);
PORTF = 0x00;
DDRF |= (1<<7);
PORTF &= ~(1<<7);
break;
}
}