diff --git a/ChangeLog b/ChangeLog
index f3d3eb2..58c6fd2 100644
--- a/ChangeLog
+++ b/ChangeLog
@@ -1,3 +1,21 @@
+2019-03-02  NIIBE Yutaka  <gniibe@fsij.org>
+
+	* VERSION: 1.14.
+	* doc/chopstx.texi (VERSION): 1.14.
+
+2019-03-01  NIIBE Yutaka  <gniibe@fsij.org>
+
+	* contrib/usart-stm32f103.c (usart_config): Fix SCEN setting
+	procedure.
+
+2019-03-01  NIIBE Yutaka  <gniibe@fsij.org>
+
+	* contrib/usart-stm32f103.c (usart_config): Support parity error
+	interrupt setting.
+	(usart_init): Don't call usart_config here.
+	* example-usb-serial/sample.c: It's application calling
+	usart_config.
+
 2019-02-28  NIIBE Yutaka  <gniibe@fsij.org>
 
 	* contrib/usart.h (BSCARD): New.
diff --git a/NEWS b/NEWS
index ee02420..2a34557 100644
--- a/NEWS
+++ b/NEWS
@@ -1,6 +1,14 @@
 NEWS - Noteworthy changes
 
 
+* Major changes in Chopstx 1.14
+
+  Released 2019-03-02
+
+** Enhancement of driver: USART for STM32
+Now, it supports smartcard communication.
+
+
 * Major changes in Chopstx 1.13
 
   Released 2018-12-19
diff --git a/README b/README
index 957fe74..5663ebf 100644
--- a/README
+++ b/README
@@ -1,6 +1,6 @@
 Chopstx - Threads and only Threads
-							Version 1.12
-							  2018-11-12
+							Version 1.14
+							  2018-03-02
 							Niibe Yutaka
 					     Flying Stone Technology
 
diff --git a/VERSION b/VERSION
index f96cf72..3cb3b85 100644
--- a/VERSION
+++ b/VERSION
@@ -1 +1 @@
-release/1.12
+release/1.14
diff --git a/chopstx.c b/chopstx.c
index d4ec049..4d672c7 100644
--- a/chopstx.c
+++ b/chopstx.c
@@ -1,7 +1,7 @@
 /*
  * chopstx.c - Threads and only threads.
  *
- * Copyright (C) 2013, 2014, 2015, 2016, 2017, 2018
+ * Copyright (C) 2013, 2014, 2015, 2016, 2017, 2018, 2019
  *               Flying Stone Technology
  * Author: NIIBE Yutaka <gniibe@fsij.org>
  *
diff --git a/doc/chopstx.texi b/doc/chopstx.texi
index 12876a6..805e0bb 100644
--- a/doc/chopstx.texi
+++ b/doc/chopstx.texi
@@ -1,7 +1,7 @@
 \input texinfo                      @c -*-texinfo-*-
 @c %**start of header
 @setfilename chopstx.info
-@set VERSION 1.13
+@set VERSION 1.14
 @settitle Chopstx Reference Manual
 @c Unify some of the indices.
 @syncodeindex tp fn
diff --git a/example-usb-serial/README b/example-usb-serial/README
index 3eb7496..f613dc6 100644
--- a/example-usb-serial/README
+++ b/example-usb-serial/README
@@ -1,12 +1,19 @@
 This is an application example using ST Nucleo F103 board.
 
-SB62 and SB63 should be soldered.
-ST-Link/V2 is disconnected (SB13 and SB14).
+SB62 and SB63 should be soldered to connect PA2 and PA3 to CN10
+connector.
+
+ST-Link/V2's TX and RX are disconnected (by removing SB13 and SB14).
+
+Smartcard can be connected, by using USART3_TX for I/O and USART3_CK
+for CLK, PB6 for Vcc, PB8 for Vpp, and PB9 for RST.
+
 
 NOTE:
 
 Using the USB CDC-ACM for serial communication is a kind of wrong,
-because it's designed for modem;  No way to control CTSRTS. 
+because it's designed for modem; In the protocol, we have no way to
+control the CTSRTS signal.
 
 TIOCGICOUNT
 
@@ -19,4 +26,4 @@ TODO:
 * stats report control
   By vendor specific control?
 * Half-duplex support
-* Support of other communication mode: smartcard, IrDA, etc.
+* Support of other communication mode: IrDA, etc.