From edce1d19a6af040df994243e7b6b1851e3eccebc Mon Sep 17 00:00:00 2001
From: tmk <nobody@nowhere>
Date: Sun, 21 Oct 2012 22:12:36 +0900
Subject: Add LED feature to Sun converter

---
 converter/sun_usb/config.h | 17 ++++++++++++++++-
 1 file changed, 16 insertions(+), 1 deletion(-)

(limited to 'converter/sun_usb/config.h')

diff --git a/converter/sun_usb/config.h b/converter/sun_usb/config.h
index 66961d9330..b4f0ff977a 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
-- 
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