4 files changed, 69 insertions, 2 deletions

diff --git a/converter/sun_usb/Makefile b/converter/sun_usb/Makefile
index 4c79a8d27..c6e8390cc 100644
--- a/converter/sun_usb/Makefile
+++ b/converter/sun_usb/Makefile
@@ -11,6 +11,7 @@ TARGET_DIR = .
 SRC =   keymap.c \
         matrix.c \
         led.c \
+        command_extra.c \
         protocol/serial_soft.c
 
 CONFIG_H = config.h
diff --git a/converter/sun_usb/command_extra.c b/converter/sun_usb/command_extra.c
new file mode 100644
index 000000000..50389467e
--- /dev/null
+++ b/converter/sun_usb/command_extra.c
@@ -0,0 +1,43 @@
+#include "stdbool.h"
+#include "stdint.h"
+#include "keycode.h"
+#include "serial.h"
+#include "print.h"
+#include "command.h"
+
+bool command_extra(uint8_t code)
+{
+    switch (code) {
+        case KC_H:
+        case KC_SLASH: /* ? */
+            print("\n\n----- Sun converter Help -----\n");
+            print("UP:  Bell On\n");
+            print("DOWN:        Bell Off\n");
+            print("LEFT:        Click On\n");
+            print("RIGHT:       Click Off\n");
+            return false;
+        case KC_UP:
+            print("Bell On\n");
+            serial_send(0x02);
+            break;
+        case KC_DOWN:
+            print("Bell Off\n");
+            serial_send(0x03);
+            break;
+        case KC_LEFT:
+            print("Click On\n");
+            serial_send(0x0A);
+            break;
+        case KC_RIGHT:
+            print("Click Off\n");
+            serial_send(0x0B);
+            break;
+        case KC_NUMLOCK:
+            print("layout\n");
+            serial_send(0x0F);
+            break;
+        default:
+            return false;
+    }
+    return true;
+}
diff --git a/converter/sun_usb/config.h b/converter/sun_usb/config.h
index 66961d933..b4f0ff977 100644
--- a/converter/sun_usb/config.h
+++ b/converter/sun_usb/config.h
@@ -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
diff --git a/converter/sun_usb/led.c b/converter/sun_usb/led.c
index 5490ec0c6..48c3f1c2b 100644
--- a/converter/sun_usb/led.c
+++ b/converter/sun_usb/led.c
@@ -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);
 }