Enabled support for higher baudrates up to 921600. Support is

compiled-in conditionally on the HIGH_BAUD macro.

Thanks to Pavel Vymetalek

Makefile

@@ -2,7 +2,8 @@
 VERSION=1.5
 
 # CC = gcc
-CPPFLAGS=-DVERSION_STR=\"$(VERSION)\" -DUUCP_LOCK_DIR=\"/var/lock\"
+CPPFLAGS=-DVERSION_STR=\"$(VERSION)\" -DUUCP_LOCK_DIR=\"/var/lock\" \
+         -DHIGH_BAUD
 CFLAGS = -Wall -g
 
 # LD = gcc

picocom.c

@@ -304,8 +304,13 @@ baud_up (int baud)
 		baud = 57600;
 	else	
 		baud = baud * 2;
+#ifndef HIGH_BAUD
 	if ( baud > 115200 )
 		baud = 115200;
+#else
+	if ( baud > 921600 )
+		baud = 921600;
+#endif
 
 	return baud;
 }
@@ -313,8 +318,13 @@ baud_up (int baud)
 int
 baud_down (int baud)
 {
+#ifndef HIGH_BAUD
 	if ( baud > 115200 )
 		baud = 115200;
+#else
+	if ( baud > 921600 )
+		baud = 921600;
+#endif
 	else if ( baud == 57600 )
 		baud = 38400;
 	else

term.c

@@ -627,9 +627,17 @@ term_set_baudrate (int fd, int baudrate)
 		case 115200:
 			spd = B115200;
 			break;
+#ifdef HIGH_BAUD
 		case 230400:
 			spd = B230400;
 			break;
+		case 460800:
+			spd = B460800;
+			break;
+		case 921600:
+			spd = B921600;
+			break;
+#endif
 		default:
 			term_errno = TERM_EBAUD;
 			rval = -1;