archimedes: scan logic
This commit is contained in:
tmk
parent
1a057c9737
commit
326cfc57bd
2 changed files with 131 additions and 22 deletions
|
|
@ -42,6 +42,13 @@ SOFTWARE.
|
|||
#define SACK 0x31
|
||||
#define MACK 0x32
|
||||
#define SMAK 0x33
|
||||
#define KDDA 0xC0
|
||||
#define KUDA 0xD0
|
||||
|
||||
// Archimedes LED
|
||||
#define ARC_LED_CAPS_LOCK 0
|
||||
#define ARC_LED_NUM_LOCK 1
|
||||
#define ARC_LED_SCROLL_LOCK 2
|
||||
|
||||
|
||||
void matrix_init(void)
|
||||
|
|
@ -53,32 +60,117 @@ void matrix_init(void)
|
|||
// wait for keyboard coming up
|
||||
// otherwise LED status update fails
|
||||
print("Archimedes starts.\n");
|
||||
print("Sending HRST(0xFF): ");
|
||||
xprintf("EIMSK: %02X\n", EIMSK);
|
||||
xprintf("EICRA: %02X\n", EICRA);
|
||||
|
||||
return;
|
||||
}
|
||||
|
||||
static uint8_t arc_led = 1<<ARC_LED_SCROLL_LOCK;
|
||||
static enum {
|
||||
INIT,
|
||||
SCAN,
|
||||
WAIT_KEY_COL,
|
||||
} state = INIT;
|
||||
|
||||
static int16_t check_reply(void)
|
||||
{
|
||||
int16_t d;
|
||||
while ((d = serial_recv2()) != -1) {
|
||||
xprintf("r%02X ", d & 0xFF);
|
||||
if (d == HRST) state = INIT;
|
||||
return d;
|
||||
}
|
||||
return -1;
|
||||
}
|
||||
|
||||
static void send_cmd(uint8_t cmd)
|
||||
{
|
||||
xprintf("s%02X ", cmd);
|
||||
serial_send(cmd);
|
||||
}
|
||||
|
||||
uint8_t matrix_scan(void)
|
||||
{
|
||||
//while (1) {
|
||||
print(".");
|
||||
serial_send(0xFF);
|
||||
_delay_ms(10);
|
||||
serial_send(RAK1);
|
||||
_delay_ms(10);
|
||||
serial_send(RAK2);
|
||||
_delay_ms(10);
|
||||
serial_send(SACK);
|
||||
static uint8_t key;
|
||||
|
||||
_delay_ms(10);
|
||||
//serial_send(LEDS(0x5)); // ScrollLock and CapsLock
|
||||
//serial_send(LEDS(0x3)); // NumLock and CapsLock
|
||||
serial_send(LEDS(0x6)); // NumLock and CapsLock
|
||||
switch (state) {
|
||||
case INIT:
|
||||
send_cmd(0xFF);
|
||||
_delay_ms(10);
|
||||
check_reply();
|
||||
|
||||
//serial_send(RQID);
|
||||
send_cmd(RAK1);
|
||||
_delay_ms(10);
|
||||
check_reply();
|
||||
|
||||
_delay_ms(500);
|
||||
//}
|
||||
send_cmd(RAK2);
|
||||
_delay_ms(10);
|
||||
check_reply();
|
||||
|
||||
//send_cmd(SACK);
|
||||
send_cmd(SMAK);
|
||||
check_reply();
|
||||
|
||||
state = SCAN;
|
||||
break;
|
||||
case SCAN: {
|
||||
int16_t d;
|
||||
d = check_reply();
|
||||
switch (d) {
|
||||
case -1:
|
||||
// no reply
|
||||
//xprintf(".");
|
||||
break;
|
||||
case KDDA ... KDDA+15:
|
||||
case KUDA ... KUDA+15:
|
||||
// key row
|
||||
key = (d & 0xF) << 4;
|
||||
_delay_ms(1);
|
||||
send_cmd(BACK);
|
||||
state = WAIT_KEY_COL;
|
||||
break;
|
||||
default:
|
||||
state = INIT;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
case WAIT_KEY_COL: {
|
||||
int16_t d;
|
||||
d = check_reply();
|
||||
switch (d) {
|
||||
case -1:
|
||||
// no reply
|
||||
break;
|
||||
case KDDA ... KDDA+15:
|
||||
case KUDA ... KUDA+15:
|
||||
if ((d & KUDA) == KUDA) { key |= 0x80; } // key up flag
|
||||
key |= d & 0xF;
|
||||
xprintf("[k%02X] ", key);
|
||||
_delay_ms(1);
|
||||
send_cmd(SMAK);
|
||||
state = SCAN;
|
||||
break;
|
||||
default:
|
||||
// error
|
||||
state = INIT;
|
||||
break;
|
||||
}
|
||||
break;
|
||||
}
|
||||
}
|
||||
|
||||
// TODO
|
||||
// toggle ScrollLock LED
|
||||
/*
|
||||
_delay_ms(10);
|
||||
arc_led = arc_led ^ 1<<ARC_LED_SCROLL_LOCK;
|
||||
serial_send(LEDS(arc_led % 8));
|
||||
_delay_ms(500);
|
||||
*/
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
uint8_t matrix_get_row(uint8_t row)
|
||||
|
|
@ -86,3 +178,13 @@ uint8_t matrix_get_row(uint8_t row)
|
|||
// TODO
|
||||
return 0;
|
||||
}
|
||||
|
||||
#include "led.h"
|
||||
void led_set(uint8_t usb_led)
|
||||
{
|
||||
arc_led = 0;
|
||||
if (usb_led & (1<<USB_LED_NUM_LOCK)) arc_led |= (1<<ARC_LED_NUM_LOCK);
|
||||
if (usb_led & (1<<USB_LED_CAPS_LOCK)) arc_led |= (1<<ARC_LED_CAPS_LOCK);
|
||||
if (usb_led & (1<<USB_LED_SCROLL_LOCK)) arc_led |= (1<<ARC_LED_SCROLL_LOCK);
|
||||
xprintf("LED: %02X %02X\n", usb_led, arc_led);
|
||||
}
|
||||
|
|
|
|||
|
|
@ -44,14 +44,14 @@ SOFTWARE.
|
|||
/* Software Serial configuration
|
||||
* RX: PD1, TX: PD3
|
||||
* asynchronous, negative logic, 31250 baud
|
||||
* start bit(0), 8-bit data(LSB first), 9th bit(1), stop bit(1)
|
||||
* start bit(0), 8-bit data(LSB first), stop bit(1)
|
||||
*/
|
||||
#define SERIAL_SOFT_DEBUG
|
||||
#define SERIAL_SOFT_BAUD 31250
|
||||
// TODO: 9th bit is optional?
|
||||
//#define SERIAL_SOFT_9TH_BIT
|
||||
#define SERIAL_SOFT_PARITY_NONE
|
||||
#define SERIAL_SOFT_BIT_ORDER_LSB
|
||||
#define SERIAL_SOFT_LOGIC_NEGATIVE
|
||||
|
||||
/* RXD Port */
|
||||
#define SERIAL_SOFT_RXD_ENABLE
|
||||
#define SERIAL_SOFT_RXD_DDR DDRD
|
||||
|
|
@ -59,6 +59,7 @@ SOFTWARE.
|
|||
#define SERIAL_SOFT_RXD_PIN PIND
|
||||
#define SERIAL_SOFT_RXD_BIT 1
|
||||
#define SERIAL_SOFT_RXD_VECT INT1_vect
|
||||
|
||||
/* RXD Interupt */
|
||||
#ifdef SERIAL_SOFT_LOGIC_NEGATIVE
|
||||
/* enable interrupt: INT1(rising edge) */
|
||||
|
|
@ -67,26 +68,32 @@ SOFTWARE.
|
|||
/* enable interrupt: INT1(falling edge) */
|
||||
#define INTR_TRIG_EDGE ((1<<ISC11)|(0<<ISC10))
|
||||
#endif
|
||||
|
||||
#define SERIAL_SOFT_RXD_INIT() do { \
|
||||
/* pin configuration: input with pull-up */ \
|
||||
SERIAL_SOFT_RXD_DDR &= ~(1<<SERIAL_SOFT_RXD_BIT); \
|
||||
SERIAL_SOFT_RXD_PORT |= (1<<SERIAL_SOFT_RXD_BIT); \
|
||||
EICRA |= INTR_TRIG_EDGE; \
|
||||
EIMSK |= (1<<INT2); \
|
||||
EIMSK |= (1<<INT1); \
|
||||
sei(); \
|
||||
} while (0)
|
||||
|
||||
#define SERIAL_SOFT_RXD_INT_ENTER()
|
||||
|
||||
#define SERIAL_SOFT_RXD_INT_EXIT() do { \
|
||||
/* clear interrupt flag */ \
|
||||
EIFR = (1<<INTF2); \
|
||||
EIFR = (1<<INTF1); \
|
||||
} while (0)
|
||||
|
||||
#define SERIAL_SOFT_RXD_READ() (SERIAL_SOFT_RXD_PIN&(1<<SERIAL_SOFT_RXD_BIT))
|
||||
|
||||
/* TXD Port */
|
||||
#define SERIAL_SOFT_TXD_ENABLE
|
||||
#define SERIAL_SOFT_TXD_DDR DDRD
|
||||
#define SERIAL_SOFT_TXD_PORT PORTD
|
||||
#define SERIAL_SOFT_TXD_PIN PIND
|
||||
#define SERIAL_SOFT_TXD_BIT 3
|
||||
|
||||
#define SERIAL_SOFT_TXD_HI() do { SERIAL_SOFT_TXD_PORT |= (1<<SERIAL_SOFT_TXD_BIT); } while (0)
|
||||
#define SERIAL_SOFT_TXD_LO() do { SERIAL_SOFT_TXD_PORT &= ~(1<<SERIAL_SOFT_TXD_BIT); } while (0)
|
||||
#define SERIAL_SOFT_TXD_INIT() do { \
|
||||
|
|
|
|||
Loading…
Add table
Reference in a new issue