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Add LED feature to Sun converter

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This commit is contained in:
tmk 2012-10-21 22:12:36 +09:00
parent 454f7bc716
commit edce1d19a6
5 changed files with 74 additions and 18 deletions
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7
common/keyboard.c
View file

@ -555,6 +555,7 @@ void keyboard_init(void)
void keyboard_task(void)
{
static matrix_row_t matrix_prev[MATRIX_ROWS];
static uint8_t led_status = 0;
matrix_row_t matrix_row = 0;
matrix_row_t matrix_change = 0;
@ -617,6 +618,12 @@ void keyboard_task(void)
}
}
// update LED
if (led_status != host_keyboard_leds()) {
led_status = host_keyboard_leds();
keyboard_set_leds(led_status);
}
return;
}

17
converter/sun_usb/config.h
View file

@ -43,8 +43,8 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
* asynchronous, negative logic, 1200baud, no flow control
* 1-start bit, 8-data bit, non parity, 1-stop bit
*/
#define SERIAL_NEGATIVE_LOGIC
#define SERIAL_BAUD 1200
#define SERIAL_RXD_DDR DDRD
#define SERIAL_RXD_PORT PORTD
#define SERIAL_RXD_PIN PIND
@ -63,5 +63,20 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
/* clear interrupt flag */ \
EIFR = (1<<INTF2); \
} while (0)
#define SERIAL_RXD_READ() (~SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT))
#define SERIAL_TXD_DDR DDRD
#define SERIAL_TXD_PORT PORTD
#define SERIAL_TXD_PIN PIND
#define SERIAL_TXD_BIT 3
/* negative logic */
#define SERIAL_TXD_ON() do { SERIAL_TXD_PORT &= ~(1<<SERIAL_TXD_BIT); } while (0)
#define SERIAL_TXD_OFF() do { SERIAL_TXD_PORT |= (1<<SERIAL_TXD_BIT); } while (0)
#define SERIAL_TXD_INIT() do { \
/* pin configuration: output */ \
SERIAL_TXD_DDR |= (1<<SERIAL_TXD_BIT); \
/* idle */ \
SERIAL_TXD_ON(); \
} while (0)
#endif

10
converter/sun_usb/led.c
View file

@ -16,10 +16,18 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include "stdint.h"
#include "serial.h"
#include "led.h"
void led_set(uint8_t usb_led)
{
// not supported now
uint8_t sun_led = 0;
if (usb_led & (1<<USB_LED_NUM_LOCK)) sun_led |= (1<<0);
if (usb_led & (1<<USB_LED_COMPOSE)) sun_led |= (1<<1);
if (usb_led & (1<<USB_LED_SCROLL_LOCK)) sun_led |= (1<<2);
if (usb_led & (1<<USB_LED_CAPS_LOCK)) sun_led |= (1<<3);
serial_send(0x0E);
serial_send(sun_led);
}

1
protocol/serial.h
View file

@ -41,5 +41,6 @@ POSSIBILITY OF SUCH DAMAGE.
/* host role */
void serial_init(void);
uint8_t serial_recv(void);
void serial_send(uint8_t data);
#endif

57
protocol/serial_soft.c
View file

@ -51,9 +51,10 @@ POSSIBILITY OF SUCH DAMAGE.
void serial_init(void)
{
SERIAL_RXD_INIT();
SERIAL_TXD_INIT();
}
// RX ring buffer
/* RX ring buffer */
#define RBUF_SIZE 8
static uint8_t rbuf[RBUF_SIZE];
static uint8_t rbuf_head = 0;
@ -71,39 +72,63 @@ uint8_t serial_recv(void)
return data;
}
//ISR(INT2_vect)
void serial_send(uint8_t data)
{
/* signal state: IDLE: ON, START: OFF, STOP: ON, DATA0: OFF, DATA1: ON */
/* start bit */
SERIAL_TXD_OFF();
_delay_us(WAIT_US);
#ifdef SERIAL_BIT_ORDER_MSB
uint8_t mask = 0x80;
#else
uint8_t mask = 0x01;
#endif
while (mask) {
if (data&mask) { SERIAL_TXD_ON(); } else { SERIAL_TXD_OFF(); }
_delay_us(WAIT_US);
#ifdef SERIAL_BIT_ORDER_MSB
mask >>= 1;
#else
mask <<= 1;
#endif
}
/* stop bit */
SERIAL_TXD_ON();
_delay_us(WAIT_US);
}
/* detect edge of start bit */
ISR(SERIAL_RXD_VECT)
{
SERIAL_RXD_INT_ENTER()
uint8_t data = 0;
#ifdef SERIAL_BIT_ORDER_MSB
uint8_t pos = 0x80;
uint8_t mask = 0x80;
#else
uint8_t pos = 0x01;
uint8_t mask = 0x01;
#endif
// to center of start bit
/* to center of start bit */
_delay_us(WAIT_US/2);
do {
// to center of next bit
/* to center of next bit */
_delay_us(WAIT_US);
if (SERIAL_RXD_PIN&(1<<SERIAL_RXD_BIT)) {
data |= pos;
if (SERIAL_RXD_READ()) {
data |= mask;
}
#ifdef SERIAL_BIT_ORDER_MSB
pos >>= 1;
mask >>= 1;
#else
pos <<= 1;
mask <<= 1;
#endif
} while (pos);
// to center of stop bit
} while (mask);
/* to center of stop bit */
_delay_us(WAIT_US);
#ifdef SERIAL_NEGATIVE_LOGIC
data = ~data;
#endif
uint8_t next = (rbuf_head + 1) % RBUF_SIZE;
if (next != rbuf_tail) {
rbuf[rbuf_head] = data;