diff --git a/bsp/ls1cdev/drivers/drv_spi.c b/bsp/ls1cdev/drivers/drv_spi.c
new file mode 100644
index 000000000..b26de557d
--- /dev/null
+++ b/bsp/ls1cdev/drivers/drv_spi.c
@@ -0,0 +1,229 @@
+/*
+ * File      : drv_spi.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017-11-02     勤为本       first version
+ */
+
+#include <rtthread.h>
+#include <drivers/spi.h>
+#include "drv_spi.h"
+
+
+//#define DEBUG
+
+#ifdef DEBUG
+#define DEBUG_PRINTF(...)           rt_kprintf(__VA_ARGS__)
+#else
+#define DEBUG_PRINTF(...)
+#endif
+
+
+static rt_err_t configure(struct rt_spi_device *device, struct rt_spi_configuration *configuration);
+static rt_uint32_t xfer(struct rt_spi_device *device, struct rt_spi_message *message);
+
+
+static struct rt_spi_ops ls1c_spi_ops = 
+{
+    .configure  = configure,
+    .xfer       = xfer
+};
+
+
+static rt_err_t configure(struct rt_spi_device *device, 
+                          struct rt_spi_configuration *configuration)
+{
+    struct rt_spi_bus *spi_bus = NULL;
+    struct ls1c_spi *ls1c_spi = NULL;
+    unsigned char SPIx = 0;
+    void *spi_base = NULL;
+    unsigned char cpol = 0;
+    unsigned char cpha = 0;
+    unsigned char val = 0;
+
+    RT_ASSERT(NULL != device);
+    RT_ASSERT(NULL != configuration);
+
+    spi_bus = device->bus;
+    ls1c_spi = (struct ls1c_spi *)spi_bus->parent.user_data;
+    SPIx = ls1c_spi->SPIx;
+    spi_base = ls1c_spi_get_base(SPIx);
+
+    {
+        // 使能SPI控制器，master模式，关闭中断
+        reg_write_8(0x53, spi_base + LS1C_SPI_SPCR_OFFSET);
+
+        // 清空状态寄存器
+        reg_write_8(0xc0, spi_base + LS1C_SPI_SPSR_OFFSET);
+
+        // 1字节产生中断，采样(读)与发送(写)时机同时
+        reg_write_8(0x03, spi_base + LS1C_SPI_SPER_OFFSET);
+
+        // 关闭SPI flash
+        val = reg_read_8(spi_base + LS1C_SPI_SFC_PARAM_OFFSET);
+        val &= 0xfe;
+        reg_write_8(val, spi_base + LS1C_SPI_SFC_PARAM_OFFSET);
+
+        // spi flash时序控制寄存器
+        reg_write_8(0x05, spi_base + LS1C_SPI_SFC_TIMING_OFFSET);
+    }
+    
+    // baudrate
+    ls1c_spi_set_clock(spi_base, configuration->max_hz);
+
+    // 设置通信模式(时钟极性和相位)
+    if (configuration->mode & RT_SPI_CPOL)      // cpol
+    {
+        cpol = SPI_CPOL_1;
+    }
+    else
+    {
+        cpol = SPI_CPOL_0;
+    }
+    if (configuration->mode & RT_SPI_CPHA)      // cpha
+    {
+        cpha = SPI_CPHA_1;
+    }
+    else
+    {
+        cpha = SPI_CPHA_0;
+    }
+    ls1c_spi_set_mode(spi_base, cpol, cpha);
+
+    DEBUG_PRINTF("ls1c spi%d configuration\n", SPIx);
+
+    return RT_EOK;
+}
+
+
+static rt_uint32_t xfer(struct rt_spi_device *device, 
+                        struct rt_spi_message *message)
+{
+    struct rt_spi_bus *spi_bus = NULL;
+    struct ls1c_spi *ls1c_spi = NULL;
+    void *spi_base = NULL;
+    unsigned char SPIx = 0;
+    struct ls1c_spi_cs *ls1c_spi_cs = NULL;
+    unsigned char cs = 0;
+    rt_uint32_t size = 0;
+    const rt_uint8_t *send_ptr = NULL;
+    rt_uint8_t *recv_ptr = NULL;
+    rt_uint8_t data = 0;
+
+    RT_ASSERT(NULL != device);
+    RT_ASSERT(NULL != message);
+
+    spi_bus = device->bus;
+    ls1c_spi = spi_bus->parent.user_data;
+    SPIx = ls1c_spi->SPIx;
+    spi_base = ls1c_spi_get_base(SPIx);
+    ls1c_spi_cs = device->parent.user_data;
+    cs = ls1c_spi_cs->cs;
+    size = message->length;
+
+    DEBUG_PRINTF("[%s] SPIx=%d, cs=%d\n", __FUNCTION__, SPIx, cs);
+
+    // take cs
+    if (message->cs_take)
+    {
+        ls1c_spi_set_cs(spi_base, cs, 0);
+    }
+
+    // 收发数据
+    send_ptr = message->send_buf;
+    recv_ptr = message->recv_buf;
+    while (size--)
+    {
+        data = 0xFF;
+        if (NULL != send_ptr)
+        {
+            data = *send_ptr++;
+        }
+
+        if (NULL != recv_ptr)
+        {
+            *recv_ptr++ = ls1c_spi_txrx_byte(spi_base, data);
+        }
+        else
+        {
+            ls1c_spi_txrx_byte(spi_base, data);
+        }
+    }
+
+    // release cs
+    if (message->cs_release)
+    {
+        ls1c_spi_set_cs(spi_base, cs, 1);
+    }
+
+    return message->length;
+}
+
+
+#ifdef RT_USING_SPI0
+struct ls1c_spi ls1c_spi0 = 
+{
+    .SPIx = LS1C_SPI_0,
+};
+
+static struct rt_spi_bus spi0_bus;
+#endif
+
+
+#ifdef RT_USING_SPI1
+struct ls1c_spi ls1c_spi1 = 
+{
+    .SPIx = LS1C_SPI_1,
+};
+
+static struct rt_spi_bus spi1_bus;
+#endif
+
+
+/*
+ * 初始化并注册龙芯1c的spi总线
+ * @SPI SPI总线，比如LS1C_SPI_0， LS1C_SPI_1
+ * @spi_bus_name 总线名字
+ * @ret 
+ */
+rt_err_t ls1c_spi_bus_register(rt_uint8_t SPI, const char *spi_bus_name)
+{
+    struct rt_spi_bus *spi_bus = NULL;
+
+#ifdef RT_USING_SPI0
+    if (LS1C_SPI_0 == SPI)
+    {
+        spi_bus = &spi0_bus;
+        spi_bus->parent.user_data = &ls1c_spi0;
+    }
+#endif
+
+#ifdef RT_USING_SPI1
+    if (LS1C_SPI_1 == SPI)
+    {
+        spi_bus = &spi1_bus;
+        spi_bus->parent.user_data = &ls1c_spi1;
+    }
+#endif
+
+    return rt_spi_bus_register(spi_bus, spi_bus_name, &ls1c_spi_ops);
+}
+
+
diff --git a/bsp/ls1cdev/drivers/drv_spi.h b/bsp/ls1cdev/drivers/drv_spi.h
new file mode 100644
index 000000000..94fbb5809
--- /dev/null
+++ b/bsp/ls1cdev/drivers/drv_spi.h
@@ -0,0 +1,55 @@
+/*
+ * File      : drv_spi.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
+ *
+ *  This program is free software; you can redistribute it and/or modify
+ *  it under the terms of the GNU General Public License as published by
+ *  the Free Software Foundation; either version 2 of the License, or
+ *  (at your option) any later version.
+ *
+ *  This program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2017-11-02     勤为本       first version
+ */
+
+#ifndef LS1C_DRV_SPI_H
+#define LS1C_DRV_SPI_H
+
+
+#include "../libraries/ls1c_spi.h"
+
+
+struct ls1c_spi
+{
+    unsigned char SPIx;     // LS1C_SPI_0 or LS1C_SPI_1
+};
+
+
+struct ls1c_spi_cs
+{
+    unsigned char cs;       // LS1C_SPI_CS_0, LS1C_SPI_CS_1, LS1C_SPI_CS_2 or LS1C_SPI_CS_3
+};
+
+
+
+/*
+ * 初始化并注册龙芯1c的spi总线
+ * @SPI SPI总线，比如LS1C_SPI_0， LS1C_SPI_1
+ * @spi_bus_name 总线名字
+ * @ret 
+ */
+rt_err_t ls1c_spi_bus_register(rt_uint8_t SPI, const char *spi_bus_name);
+
+
+#endif
+
diff --git a/bsp/ls1cdev/drivers/led.c b/bsp/ls1cdev/drivers/led.c
deleted file mode 100644
index 6f73ac989..000000000
--- a/bsp/ls1cdev/drivers/led.c
+++ /dev/null
@@ -1,40 +0,0 @@
-// led接口
-// 使用低电平点亮led，高电平熄灭led
-
-
-#include "ls1c_gpio.h"
-
-
-// 初始化led
-// @led_gpio led所在gpio引脚
-void led_init(unsigned int led_gpio)
-{
-    gpio_init(led_gpio, gpio_mode_output);
-    gpio_set(led_gpio, gpio_level_high);        // 指示灯默认熄灭
-
-    return ;
-}
-
-
-// 点亮led
-// @led_gpio led所在gpio引脚
-void led_on(unsigned int led_gpio)
-{
-    gpio_set(led_gpio, gpio_level_low);
-
-    return ;
-}
-
-
-// 熄灭led
-// @led_gpio
-void led_off(unsigned int led_gpio)
-{
-    gpio_set(led_gpio, gpio_level_high);
-
-    return ;
-}
-
-
-
-
diff --git a/bsp/ls1cdev/drivers/led.h b/bsp/ls1cdev/drivers/led.h
deleted file mode 100644
index 76ea90537..000000000
--- a/bsp/ls1cdev/drivers/led.h
+++ /dev/null
@@ -1,27 +0,0 @@
-// led接口
-// 使用低电平点亮led，高电平熄灭led
-
-#ifndef __OPENLOONGSON_LED_H
-#define __OPENLOONGSON_LED_H
-
-
-// 初始化led
-// @led_gpio led所在gpio引脚
-void led_init(unsigned int led_gpio);
-
-
-// 点亮led
-// @led_gpio led所在gpio引脚
-void led_on(unsigned int led_gpio);
-
-
-// 熄灭led
-// @led_gpio
-void led_off(unsigned int led_gpio);
-
-
-
-
-
-#endif
-
diff --git a/bsp/ls1cdev/libraries/ls1c_spi.c b/bsp/ls1cdev/libraries/ls1c_spi.c
index 8547626c3..7da50e1c3 100644
--- a/bsp/ls1cdev/libraries/ls1c_spi.c
+++ b/bsp/ls1cdev/libraries/ls1c_spi.c
@@ -32,53 +32,13 @@
 #include "ls1c_spi.h"
 
 
-// 寄存器偏移
-#define LS1C_SPI_SPCR_OFFSET                (0)     // 控制寄存器
-#define LS1C_SPI_SPSR_OFFSET                (1)     // 状态寄存器
-#define LS1C_SPI_TxFIFO_OFFSET              (2)     // 发送的数据寄存器，与接收数据寄存器的偏移相同
-#define LS1C_SPI_RxFIFO_OFFSET              (2)     // 接收的数据寄存器，与发送数据寄存器的偏移相同
-#define LS1C_SPI_SPER_OFFSET                (3)     // 外部寄存器
-#define LS1C_SPI_SFC_PARAM_OFFSET           (4)     // 参数控制寄存器
-#define LS1C_SPI_SFC_SOFTCS_OFFSET          (5)     // 片选控制寄存器
-#define LS1C_SPI_SFC_TIMING_OFFSET          (6)     // 时序控制寄存器
-
-// 寄存器SPCR中的位域
-#define LS1C_SPI_SPCR_SPIE_BIT              (7)
-#define LS1C_SPI_SPCR_SPIE_MASK             (0x01 << LS1C_SPI_SPCR_SPIE_BIT)
-#define LS1C_SPI_SPCR_SPE_BIT               (6)
-#define LS1C_SPI_SPCR_SPE_MASK              (0x01 << LS1C_SPI_SPCR_SPE_BIT)
-#define LS1C_SPI_SPCR_CPOL_BIT              (3)
-#define LS1C_SPI_SPCR_CPOL_MASK             (0x01 << LS1C_SPI_SPCR_CPOL_BIT)
-#define LS1C_SPI_SPCR_CPHA_BIT              (2)
-#define LS1C_SPI_SPCR_CPHA_MASK             (0x01 << LS1C_SPI_SPCR_CPHA_BIT)
-#define LS1C_SPI_SPCR_SPR_BIT               (0)
-#define LS1C_SPI_SPCR_SPR_MASK              (0x03 << LS1C_SPI_SPCR_SPR_BIT)
-
-// 寄存器SPSR中的位域
-#define LS1C_SPI_SPSR_SPIF_BIT              (7)
-#define LS1C_SPI_SPSR_SPIF_MASK             (0x01 << LS1C_SPI_SPSR_SPIF_BIT)
-#define LS1C_SPI_SPSR_WCOL_BIT              (6)
-#define LS1C_SPI_SPSR_WCOL_MASK             (0x01 << LS1C_SPI_SPSR_WCOL_BIT)
-
-// 寄存器SPER中的位域
-#define LS1C_SPI_SPER_SPRE_BIT              (0)
-#define LS1C_SPI_SPER_SPRE_MASK             (0x3 << LS1C_SPI_SPER_SPRE_BIT)
-
-// 寄存器SFC_SOFTCS的位域
-#define LS1C_SPI_SFC_SOFTCS_CSN_BIT         (4)
-#define LS1C_SPI_SFC_SOFTCS_CSN_MASK        (0x0f << LS1C_SPI_SFC_SOFTCS_CSN_BIT)
-#define LS1C_SPI_SFC_SOFTCS_CSEN_BIT        (0)
-#define LS1C_SPI_SFC_SOFTCS_CSEN_MASK       (0x0f << LS1C_SPI_SFC_SOFTCS_CSEN_BIT)
-
-// 发送超时的门限值
-#define LS1C_SPI_TX_TIMEOUT                 (20000)
 
 
 /*
  * 获取指定SPI模块的基地址
  * @SPIx SPI模块的编号
  */
-inline void *spi_get_base(ls1c_spi_t SPIx)
+inline void *ls1c_spi_get_base(unsigned char SPIx)
 {
     void *base = NULL;
 
@@ -103,15 +63,12 @@ inline void *spi_get_base(ls1c_spi_t SPIx)
 
 /*
  * 打印指定SPI模块的所有寄存器的值
- * @spi_info_p SPI模块信息
+ * @spi_base 基地址
  */
-void spi_print_all_regs_info(ls1c_spi_info_t *spi_info_p)
+void ls1c_spi_print_all_regs_info(void *spi_base)
 {
-    void *spi_base = spi_get_base(spi_info_p->SPIx);
-
-    rt_kprintf("[%s] SPI%d's info:\r\n\
-              SPCR=0x%x, SPSR=0x%x, SPER=0x%x, SFC_PARAM=0x%x, SFC_SOFTCS=0x%x, SFC_TIMING=0x%x\r\n",
-              __FUNCTION__, spi_info_p->SPIx,
+    rt_kprintf("[%s] SPCR=0x%x, SPSR=0x%x, SPER=0x%x, SFC_PARAM=0x%x, SFC_SOFTCS=0x%x, SFC_TIMING=0x%x\r\n",
+              __FUNCTION__, 
               reg_read_8(spi_base + LS1C_SPI_SPCR_OFFSET),
               reg_read_8(spi_base + LS1C_SPI_SPSR_OFFSET),
               reg_read_8(spi_base + LS1C_SPI_SPER_OFFSET),
@@ -128,7 +85,7 @@ void spi_print_all_regs_info(ls1c_spi_info_t *spi_info_p)
  * @max_speed_hz SPI最大通信速度
  * @ret 分频系数
  */
-unsigned int spi_get_div(unsigned int max_speed_hz)
+unsigned int ls1c_spi_get_div(unsigned int max_speed_hz)
 {
     unsigned long clk = 0;
     unsigned int div = 0;
@@ -189,16 +146,16 @@ unsigned int spi_get_div(unsigned int max_speed_hz)
 
 /*
  * 设置时钟
- * @spi_info_p SPI模块信息
+ * @spi_base 基地址
+ * @max_hz 最大频率，单位hz
  */
-void spi_set_clock(ls1c_spi_info_t *spi_info_p)
+void ls1c_spi_set_clock(void *spi_base, unsigned long max_hz)
 {
-    void *spi_base = spi_get_base(spi_info_p->SPIx);
     unsigned int div = 0;
     unsigned char val = 0;
 
     // 获取分频系数
-    div = spi_get_div(spi_info_p->max_speed_hz);
+    div = ls1c_spi_get_div(max_hz);
 
     // 设置spr
     val = reg_read_8(spi_base + LS1C_SPI_SPCR_OFFSET);
@@ -218,22 +175,23 @@ void spi_set_clock(ls1c_spi_info_t *spi_info_p)
 
 /*
  * 设置通信模式(时钟极性和相位)
- * @spi_info_p SPI模块信息
+ * @spi_base 基地址
+ * @cpol 时钟极性
+ * @cpha 时钟相位
  */
-void spi_set_mode(ls1c_spi_info_t *spi_info_p)
+void ls1c_spi_set_mode(void *spi_base, unsigned char cpol, unsigned char cpha)
 {
-    void *spi_base = spi_get_base(spi_info_p->SPIx);
     unsigned char val = 0;
 
     val = reg_read_8(spi_base + LS1C_SPI_SPCR_OFFSET);
     
     // 设置时钟极性--cpol
-    val &= (~LS1C_SPI_SPCR_CPOL_MASK);                      // cpol清0
-    val |= (spi_info_p->cpol << LS1C_SPI_SPCR_CPOL_BIT);    // 写入新的cpol
+    val &= (~LS1C_SPI_SPCR_CPOL_MASK);                  // cpol清0
+    val |= (cpol << LS1C_SPI_SPCR_CPOL_BIT);            // 写入新的cpol
     
     // 设置时钟相位--cpha
-    val &= (~LS1C_SPI_SPCR_CPHA_MASK);                      // cpha清0
-    val |= (spi_info_p->cpha << LS1C_SPI_SPCR_CPHA_BIT);    // 写入新的cpha
+    val &= (~LS1C_SPI_SPCR_CPHA_MASK);                  // cpha清0
+    val |= (cpha << LS1C_SPI_SPCR_CPHA_BIT);            // 写入新的cpha
     
     reg_write_8(val, spi_base + LS1C_SPI_SPCR_OFFSET);
 
@@ -243,13 +201,12 @@ void spi_set_mode(ls1c_spi_info_t *spi_info_p)
 
 /*
  * 设置指定片选为指定状态
- * @spi_info_p SPI模块信息
+ * @spi_base 基地址
+ * @cs 片选
  * @new_status 片选引脚的新状态，取值为0或1，即高电平或低电平
  */
-void spi_set_cs(ls1c_spi_info_t *spi_info_p, int new_status)
+void ls1c_spi_set_cs(void *spi_base, unsigned char cs, int new_status)
 {
-    void *spi_base = spi_get_base(spi_info_p->SPIx);
-    unsigned char cs = spi_info_p->cs;
     unsigned char val = 0;
 
     val = 0xf0 | (0x01 << cs);          // 全部csn=1，指定的csen=1
@@ -267,51 +224,12 @@ void spi_set_cs(ls1c_spi_info_t *spi_info_p, int new_status)
 }
 
 
-/*
- * 初始化指定SPI模块
- * @spi_info_p SPI模块信息
- */
-void spi_init(ls1c_spi_info_t *spi_info_p)
-{
-    void *spi_base = spi_get_base(spi_info_p->SPIx);
-    unsigned char val = 0;
-
-    // 使能SPI控制器，master模式，关闭中断
-    reg_write_8(0x53, spi_base + LS1C_SPI_SPCR_OFFSET);
-
-    // 清空状态寄存器
-    reg_write_8(0xc0, spi_base + LS1C_SPI_SPSR_OFFSET);
-
-    // 1字节产生中断，采样(读)与发送(写)时机同时
-    reg_write_8(0x03, spi_base + LS1C_SPI_SPER_OFFSET);
-
-    // 关闭SPI flash
-    val = reg_read_8(spi_base + LS1C_SPI_SFC_PARAM_OFFSET);
-    val &= 0xfe;
-    reg_write_8(val, spi_base + LS1C_SPI_SFC_PARAM_OFFSET);
-
-    // spi flash时序控制寄存器
-    reg_write_8(0x05, spi_base + LS1C_SPI_SFC_TIMING_OFFSET);
-
-    // 设置时钟
-    spi_set_clock(spi_info_p);
-
-    // 设置通信模式(时钟极性和相位)
-    spi_set_mode(spi_info_p);
-
-    // 打印寄存器信息(用于调试)
-//    spi_print_all_regs_info(spi_info_p);
-
-    return ;
-}
-
-
 /*
  * 等待收发完成
+ * @spi_base 基地址
  */
-inline void spi_wait_txrx_done(ls1c_spi_info_t *spi_info_p)
+inline void ls1c_spi_wait_txrx_done(void *spi_base)
 {
-    void *spi_base = spi_get_base(spi_info_p->SPIx);
     int timeout = LS1C_SPI_TX_TIMEOUT;
 
     while (timeout--)
@@ -326,10 +244,10 @@ inline void spi_wait_txrx_done(ls1c_spi_info_t *spi_info_p)
 
 /*
  * 清中断和标志位
+ * @spi_base 基地址
  */
-inline void spi_clear(ls1c_spi_info_t *spi_info_p)
+inline void ls1c_spi_clear(void *spi_base)
 {
-    void *spi_base = spi_get_base(spi_info_p->SPIx);
     unsigned char val = 0;
 
     // 清中断
@@ -356,20 +274,19 @@ inline void spi_clear(ls1c_spi_info_t *spi_info_p)
  * 注意，在多任务的系统中，此函数需要互斥。
  * 即保证在和某个从设备收发某个字节的过程中，不能被切换到其它任务同时与另外的在同一个SPI总线上的从设备通信
  * 因为龙芯1c的每路SPI上可能接有不同的从设备，通信频率、模式等可能不同
- * @spi_info_p SPI接口
+ * @spi_base 基地址
  * @tx_ch 待发送的数据
  * @ret 收到的数据
  */
-unsigned char spi_txrx_byte(ls1c_spi_info_t *spi_info_p, unsigned char tx_ch)
+unsigned char ls1c_spi_txrx_byte(void *spi_base, unsigned char tx_ch)
 {
-    void *spi_base = spi_get_base(spi_info_p->SPIx);
     unsigned char rx_ch = 0;
 
     // 收发数据
     reg_write_8(tx_ch, spi_base + LS1C_SPI_TxFIFO_OFFSET);      // 开始发送
-    spi_wait_txrx_done(spi_info_p);                             // 等待收发完成
+    ls1c_spi_wait_txrx_done(spi_base);                          // 等待收发完成
     rx_ch = reg_read_8(spi_base + LS1C_SPI_RxFIFO_OFFSET);      // 读取收到的数据
-    spi_clear(spi_info_p);                                      // 清中断和标志位
+    ls1c_spi_clear(spi_base);                                   // 清中断和标志位
 
     return rx_ch;
 }
diff --git a/bsp/ls1cdev/libraries/ls1c_spi.h b/bsp/ls1cdev/libraries/ls1c_spi.h
index 6b041b19c..8046127de 100644
--- a/bsp/ls1cdev/libraries/ls1c_spi.h
+++ b/bsp/ls1cdev/libraries/ls1c_spi.h
@@ -29,15 +29,10 @@
 
 
 // SPI模块编号
-typedef enum
-{
-    LS1C_SPI_0 = 0,
-    LS1C_SPI_1,
-}ls1c_spi_t;
-
+#define LS1C_SPI_0                      (0)
+#define LS1C_SPI_1                      (1)
 
 // 片选
-#define LS1C_SPI_INVALID_CS             (-1)
 #define LS1C_SPI_CS_0                   (0)
 #define LS1C_SPI_CS_1                   (1)
 #define LS1C_SPI_CS_2                   (2)
@@ -50,31 +45,80 @@ typedef enum
 #define SPI_CPHA_0                      (0)
 
 
-// 硬件SPI信息
-typedef struct
-{
-    ls1c_spi_t SPIx;                    // SPI模块编号
-    unsigned long max_speed_hz;         // 最大通信速度，单位hz
-    unsigned char cs;                   // 片选
-    unsigned char cpol;                 // 时钟极性
-    unsigned char cpha;                 // 时钟相位
-}ls1c_spi_info_t;
+// 寄存器偏移
+#define LS1C_SPI_SPCR_OFFSET                (0)     // 控制寄存器
+#define LS1C_SPI_SPSR_OFFSET                (1)     // 状态寄存器
+#define LS1C_SPI_TxFIFO_OFFSET              (2)     // 发送的数据寄存器，与接收数据寄存器的偏移相同
+#define LS1C_SPI_RxFIFO_OFFSET              (2)     // 接收的数据寄存器，与发送数据寄存器的偏移相同
+#define LS1C_SPI_SPER_OFFSET                (3)     // 外部寄存器
+#define LS1C_SPI_SFC_PARAM_OFFSET           (4)     // 参数控制寄存器
+#define LS1C_SPI_SFC_SOFTCS_OFFSET          (5)     // 片选控制寄存器
+#define LS1C_SPI_SFC_TIMING_OFFSET          (6)     // 时序控制寄存器
+
+// 寄存器SPCR中的位域
+#define LS1C_SPI_SPCR_SPIE_BIT              (7)
+#define LS1C_SPI_SPCR_SPIE_MASK             (0x01 << LS1C_SPI_SPCR_SPIE_BIT)
+#define LS1C_SPI_SPCR_SPE_BIT               (6)
+#define LS1C_SPI_SPCR_SPE_MASK              (0x01 << LS1C_SPI_SPCR_SPE_BIT)
+#define LS1C_SPI_SPCR_CPOL_BIT              (3)
+#define LS1C_SPI_SPCR_CPOL_MASK             (0x01 << LS1C_SPI_SPCR_CPOL_BIT)
+#define LS1C_SPI_SPCR_CPHA_BIT              (2)
+#define LS1C_SPI_SPCR_CPHA_MASK             (0x01 << LS1C_SPI_SPCR_CPHA_BIT)
+#define LS1C_SPI_SPCR_SPR_BIT               (0)
+#define LS1C_SPI_SPCR_SPR_MASK              (0x03 << LS1C_SPI_SPCR_SPR_BIT)
+
+// 寄存器SPSR中的位域
+#define LS1C_SPI_SPSR_SPIF_BIT              (7)
+#define LS1C_SPI_SPSR_SPIF_MASK             (0x01 << LS1C_SPI_SPSR_SPIF_BIT)
+#define LS1C_SPI_SPSR_WCOL_BIT              (6)
+#define LS1C_SPI_SPSR_WCOL_MASK             (0x01 << LS1C_SPI_SPSR_WCOL_BIT)
+
+// 寄存器SPER中的位域
+#define LS1C_SPI_SPER_SPRE_BIT              (0)
+#define LS1C_SPI_SPER_SPRE_MASK             (0x3 << LS1C_SPI_SPER_SPRE_BIT)
+
+// 寄存器SFC_SOFTCS的位域
+#define LS1C_SPI_SFC_SOFTCS_CSN_BIT         (4)
+#define LS1C_SPI_SFC_SOFTCS_CSN_MASK        (0x0f << LS1C_SPI_SFC_SOFTCS_CSN_BIT)
+#define LS1C_SPI_SFC_SOFTCS_CSEN_BIT        (0)
+#define LS1C_SPI_SFC_SOFTCS_CSEN_MASK       (0x0f << LS1C_SPI_SFC_SOFTCS_CSEN_BIT)
+
+// 发送超时的门限值
+#define LS1C_SPI_TX_TIMEOUT                 (20000)
 
 
 
 /*
- * 初始化指定SPI模块
- * @spi_info_p SPI模块信息
+ * 获取指定SPI模块的基地址
+ * @SPIx SPI模块的编号
  */
-void spi_init(ls1c_spi_info_t *spi_info_p);
+inline void *ls1c_spi_get_base(unsigned char SPIx);
+
+
+/*
+ * 设置时钟
+ * @spi_base 基地址
+ * @max_hz 最大频率，单位hz
+ */
+void ls1c_spi_set_clock(void *spi_base, unsigned long max_hz);
+
+
+/*
+ * 设置通信模式(时钟极性和相位)
+ * @spi_base 基地址
+ * @cpol 时钟极性
+ * @cpha 时钟相位
+ */
+void ls1c_spi_set_mode(void *spi_base, unsigned char cpol, unsigned char cpha);
 
 
 /*
  * 设置指定片选为指定状态
- * @spi_info_p SPI模块信息
+ * @spi_base 基地址
+ * @cs 片选
  * @new_status 片选引脚的新状态，取值为0或1，即高电平或低电平
  */
-void spi_set_cs(ls1c_spi_info_t *spi_info_p, int new_status);
+void ls1c_spi_set_cs(void *spi_base, unsigned char cs, int new_status);
 
 
 /*
@@ -82,18 +126,20 @@ void spi_set_cs(ls1c_spi_info_t *spi_info_p, int new_status);
  * 注意，在多任务的系统中，此函数需要互斥。
  * 即保证在和某个从设备收发某个字节的过程中，不能被切换到其它任务同时与另外的在同一个SPI总线上的从设备通信
  * 因为龙芯1c的每路SPI上可能接有不同的从设备，通信频率、模式等可能不同
- * @spi_info_p SPI接口
+ * @spi_base 基地址
  * @tx_ch 待发送的数据
  * @ret 收到的数据
  */
-unsigned char spi_txrx_byte(ls1c_spi_info_t *spi_info_p, unsigned char tx_ch);
+unsigned char ls1c_spi_txrx_byte(void *spi_base, unsigned char tx_ch);
 
 
 /*
  * 打印指定SPI模块的所有寄存器的值
- * @spi_info_p SPI模块信息
+ * @spi_base 基地址
  */
-void spi_print_all_regs_info(ls1c_spi_info_t *spi_info_p);
+void ls1c_spi_print_all_regs_info(void *spi_base);
+
+
 
 
 #endif
diff --git a/bsp/ls1cdev/rtconfig.h b/bsp/ls1cdev/rtconfig.h
index 168d3a7fd..ae208a485 100644
--- a/bsp/ls1cdev/rtconfig.h
+++ b/bsp/ls1cdev/rtconfig.h
@@ -227,6 +227,11 @@
 #define RTGUI_IMAGE_BMP
 // </section>
 
+#define RT_USING_SPI
+#define RT_USING_SPI0
+#define RT_USING_SPI1
+
+
 // </RDTConfigurator>
 
 #endif
diff --git a/bsp/stm32f10x/drivers/gpio.c b/bsp/stm32f10x/drivers/gpio.c
index fd64151b7..abb62311a 100755
--- a/bsp/stm32f10x/drivers/gpio.c
+++ b/bsp/stm32f10x/drivers/gpio.c
@@ -16,8 +16,6 @@
 #include <rthw.h>
 #include <rtdevice.h>
 #include <board.h>
-#include <gpio.h>
-#include <stm32f10x_exti.h>
 
 #ifdef RT_USING_PIN
 
@@ -591,12 +589,12 @@ rt_err_t stm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if(irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -612,7 +610,7 @@ rt_err_t stm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
     if(pin_irq_hdr_tab[irqindex].pin != -1)
     {
         rt_hw_interrupt_enable(level);
-        return RT_EBUSY;
+        return -RT_EBUSY;
     }
     pin_irq_hdr_tab[irqindex].pin = pin;
     pin_irq_hdr_tab[irqindex].hdr = hdr;
@@ -631,12 +629,12 @@ rt_err_t stm32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     irqindex = bit2bitno(index->pin);
     if(irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     level = rt_hw_interrupt_disable();
@@ -667,20 +665,20 @@ rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     index = get_pin(pin);
     if (index == RT_NULL)
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
     if(enabled == PIN_IRQ_ENABLE)
     {
         irqindex = bit2bitno(index->pin);
         if(irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_map))
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         level = rt_hw_interrupt_disable();
         if(pin_irq_hdr_tab[irqindex].pin == -1)
         {
             rt_hw_interrupt_enable(level);
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         irqmap = &pin_irq_map[irqindex];
         /* GPIO Periph clock enable */
@@ -720,7 +718,7 @@ rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
         irqmap = get_pin_irq_map(index->pin);
         if(irqmap == RT_NULL)
         {
-            return RT_ENOSYS;
+            return -RT_ENOSYS;
         }
         EXTI_InitStructure.EXTI_Line = irqmap->irqbit;  
         EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
@@ -730,7 +728,7 @@ rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin,
     }
     else
     {
-        return RT_ENOSYS;
+        return -RT_ENOSYS;
     }
 
     return RT_EOK;
diff --git a/bsp/stm32f40x/drivers/gpio.c b/bsp/stm32f40x/drivers/gpio.c
index 88819f73b..4462f2847 100644
--- a/bsp/stm32f40x/drivers/gpio.c
+++ b/bsp/stm32f40x/drivers/gpio.c
@@ -1,15 +1,15 @@
 /*
  * File      : gpio.c
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2015, RT-Thread Development Team
+ * COPYRIGHT (C) 2017, RT-Thread Development Team
  *
  * The license and distribution terms for this file may be
  * found in the file LICENSE in this distribution or at
  * http://www.rt-thread.org/license/LICENSE
  *
  * Change Logs:
- * Date           Author       Notes
- * 2015-01-05     Bernard      the first version
+ * Date           Author            Notes
+ * 2017-03-24     armink            the first version
  */
 
 #include <rthw.h>
@@ -18,6 +18,13 @@
 
 #ifdef RT_USING_PIN
 
+#define STM32_PIN_NUMBERS 100 //[48, 64, 100, 144 ]
+
+#define __STM32_PIN(index, rcc, gpio, gpio_index) { 0, RCC_##rcc##Periph_GPIO##gpio, GPIO##gpio, GPIO_Pin_##gpio_index}
+#define __STM32_PIN_DEFAULT {-1, 0, 0, 0}
+
+#define ITEM_NUM(items) sizeof(items)/sizeof(items[0])
+
 /* STM32 GPIO driver */
 struct pin_index
 {
@@ -27,68 +34,413 @@ struct pin_index
     uint32_t pin;
 };
 
-static const struct pin_index pins[] =
+/* STM32 GPIO irq information */
+struct pin_irq
 {
-    { 0, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_7},
-    { 1, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_6},
-    { 2, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_8},
-    { 3, RCC_AHB1Periph_GPIOB, GPIOB, GPIO_Pin_11},
-    { 4, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_14},
-    { 5, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_13},
-    { 6, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_11},
-    { 7, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_9},
-
-    { 8, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_12},
-    { 9, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_13},
-    {10, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_14},
-    {11, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_15},
-    {12, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_6},
-    {13, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_5},
-
-    {14, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_8},
-    {15, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_9},
-    {16, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_5},
-    {17, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_6},
-    {18, RCC_AHB1Periph_GPIOB, GPIOB, GPIO_Pin_6},
-    {19, RCC_AHB1Periph_GPIOB, GPIOB, GPIO_Pin_7},
-    {20, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_9},
-    {21, RCC_AHB1Periph_GPIOA, GPIOA, GPIO_Pin_8},
-
-    {22, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_12},
-    {23, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_2},
-    {24, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_1},
-    {25, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_0},
-    {26, RCC_AHB1Periph_GPIOA, GPIOA, GPIO_Pin_9},
-    {27, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_13},
-    {28, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_15},
-    {29, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_12},
-    {30, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_10},
-    {31, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_8},
-    {32, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_7},
-    {33, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_4},
-    {34, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_3},
-    {35, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_2},
-    {36, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_1},
-    {37, RCC_AHB1Periph_GPIOE, GPIOE, GPIO_Pin_0},
-    {38, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_11},
-    {39, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_10},
-    {40, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_7},
-    {41, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_3},
-    {42, RCC_AHB1Periph_GPIOD, GPIOD, GPIO_Pin_4},
-    {43, RCC_AHB1Periph_GPIOB, GPIOB, GPIO_Pin_8},
-    {44, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_15},
-    {45, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_14},
-    {46, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_11},
-    {47, RCC_AHB1Periph_GPIOB, GPIOB, GPIO_Pin_5},
-    {48, RCC_AHB1Periph_GPIOC, GPIOC, GPIO_Pin_10},
-    {49, RCC_AHB1Periph_GPIOA, GPIOA, GPIO_Pin_15},
-    {50, RCC_AHB1Periph_GPIOB, GPIOB, GPIO_Pin_4},
-    {51, RCC_AHB1Periph_GPIOA, GPIOA, GPIO_Pin_7},
-    {52, RCC_AHB1Periph_GPIOB, GPIOB, GPIO_Pin_3},
-    {53, RCC_AHB1Periph_GPIOA, GPIOA, GPIO_Pin_4},
+    /* EXTI port source gpiox, such as EXTI_PortSourceGPIOA */
+    rt_uint8_t port_source;
+    /* EXTI pin sources, such as EXTI_PinSource0 */
+    rt_uint8_t pin_source;
+    /* NVIC IRQ EXTI channel, such as EXTI0_IRQn */
+    enum IRQn irq_exti_channel;
+    /* EXTI line, such as EXTI_Line0 */
+    rt_uint32_t exti_line;
+};
+
+static const struct pin_index pins[] =
+{
+#if (STM32_PIN_NUMBERS == 48)
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(2, AHB1, C, 13),
+    __STM32_PIN(3, AHB1, C, 14),
+    __STM32_PIN(4, AHB1, C, 15),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(10, AHB1, A, 0),
+    __STM32_PIN(11, AHB1, A, 1),
+    __STM32_PIN(12, AHB1, A, 2),
+    __STM32_PIN(13, AHB1, A, 3),
+    __STM32_PIN(14, AHB1, A, 4),
+    __STM32_PIN(15, AHB1, A, 5),
+    __STM32_PIN(16, AHB1, A, 6),
+    __STM32_PIN(17, AHB1, A, 7),
+    __STM32_PIN(18, AHB1, B, 0),
+    __STM32_PIN(19, AHB1, B, 1),
+    __STM32_PIN(20, AHB1, B, 2),
+    __STM32_PIN(21, AHB1, B, 10),
+    __STM32_PIN(22, AHB1, B, 11),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(25, AHB1, B, 12),
+    __STM32_PIN(26, AHB1, B, 13),
+    __STM32_PIN(27, AHB1, B, 14),
+    __STM32_PIN(28, AHB1, B, 15),
+    __STM32_PIN(29, AHB1, A, 8),
+    __STM32_PIN(30, AHB1, A, 9),
+    __STM32_PIN(31, AHB1, A, 10),
+    __STM32_PIN(32, AHB1, A, 11),
+    __STM32_PIN(33, AHB1, A, 12),
+    __STM32_PIN(34, AHB1, A, 13),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(37, AHB1, A, 14),
+    __STM32_PIN(38, AHB1, A, 15),
+    __STM32_PIN(39, AHB1, B, 3),
+    __STM32_PIN(40, AHB1, B, 4),
+    __STM32_PIN(41, AHB1, B, 5),
+    __STM32_PIN(42, AHB1, B, 6),
+    __STM32_PIN(43, AHB1, B, 7),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(45, AHB1, B, 8),
+    __STM32_PIN(46, AHB1, B, 9),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+
+#endif
+#if (STM32_PIN_NUMBERS == 64)
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(2, AHB1, C, 13),
+    __STM32_PIN(3, AHB1, C, 14),
+    __STM32_PIN(4, AHB1, C, 15),
+    __STM32_PIN(5, AHB1, D, 0),
+    __STM32_PIN(6, AHB1, D, 1),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(8, AHB1, C, 0),
+    __STM32_PIN(9, AHB1, C, 1),
+    __STM32_PIN(10, AHB1, C, 2),
+    __STM32_PIN(11, AHB1, C, 3),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(14, AHB1, A, 0),
+    __STM32_PIN(15, AHB1, A, 1),
+    __STM32_PIN(16, AHB1, A, 2),
+    __STM32_PIN(17, AHB1, A, 3),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(20, AHB1, A, 4),
+    __STM32_PIN(21, AHB1, A, 5),
+    __STM32_PIN(22, AHB1, A, 6),
+    __STM32_PIN(23, AHB1, A, 7),
+    __STM32_PIN(24, AHB1, C, 4),
+    __STM32_PIN(25, AHB1, C, 5),
+    __STM32_PIN(26, AHB1, B, 0),
+    __STM32_PIN(27, AHB1, B, 1),
+    __STM32_PIN(28, AHB1, B, 2),
+    __STM32_PIN(29, AHB1, B, 10),
+    __STM32_PIN(30, AHB1, B, 11),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(33, AHB1, B, 12),
+    __STM32_PIN(34, AHB1, B, 13),
+    __STM32_PIN(35, AHB1, B, 14),
+    __STM32_PIN(36, AHB1, B, 15),
+    __STM32_PIN(37, AHB1, C, 6),
+    __STM32_PIN(38, AHB1, C, 7),
+    __STM32_PIN(39, AHB1, C, 8),
+    __STM32_PIN(40, AHB1, C, 9),
+    __STM32_PIN(41, AHB1, A, 8),
+    __STM32_PIN(42, AHB1, A, 9),
+    __STM32_PIN(43, AHB1, A, 10),
+    __STM32_PIN(44, AHB1, A, 11),
+    __STM32_PIN(45, AHB1, A, 12),
+    __STM32_PIN(46, AHB1, A, 13),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(49, AHB1, A, 14),
+    __STM32_PIN(50, AHB1, A, 15),
+    __STM32_PIN(51, AHB1, C, 10),
+    __STM32_PIN(52, AHB1, C, 11),
+    __STM32_PIN(53, AHB1, C, 12),
+    __STM32_PIN(54, AHB1, D, 2),
+    __STM32_PIN(55, AHB1, B, 3),
+    __STM32_PIN(56, AHB1, B, 4),
+    __STM32_PIN(57, AHB1, B, 5),
+    __STM32_PIN(58, AHB1, B, 6),
+    __STM32_PIN(59, AHB1, B, 7),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(61, AHB1, B, 8),
+    __STM32_PIN(62, AHB1, B, 9),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+#endif
+#if (STM32_PIN_NUMBERS == 100)
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(1, AHB1, E, 2),
+    __STM32_PIN(2, AHB1, E, 3),
+    __STM32_PIN(3, AHB1, E, 4),
+    __STM32_PIN(4, AHB1, E, 5),
+    __STM32_PIN(5, AHB1, E, 6),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(7, AHB1, C, 13),
+    __STM32_PIN(8, AHB1, C, 14),
+    __STM32_PIN(9, AHB1, C, 15),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(15, AHB1, C, 0),
+    __STM32_PIN(16, AHB1, C, 1),
+    __STM32_PIN(17, AHB1, C, 2),
+    __STM32_PIN(18, AHB1, C, 3),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(23, AHB1, A, 0),
+    __STM32_PIN(24, AHB1, A, 1),
+    __STM32_PIN(25, AHB1, A, 2),
+    __STM32_PIN(26, AHB1, A, 3),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(29, AHB1, A, 4),
+    __STM32_PIN(30, AHB1, A, 5),
+    __STM32_PIN(31, AHB1, A, 6),
+    __STM32_PIN(32, AHB1, A, 7),
+    __STM32_PIN(33, AHB1, C, 4),
+    __STM32_PIN(34, AHB1, C, 5),
+    __STM32_PIN(35, AHB1, B, 0),
+    __STM32_PIN(36, AHB1, B, 1),
+    __STM32_PIN(37, AHB1, B, 2),
+    __STM32_PIN(38, AHB1, E, 7),
+    __STM32_PIN(39, AHB1, E, 8),
+    __STM32_PIN(40, AHB1, E, 9),
+    __STM32_PIN(41, AHB1, E, 10),
+    __STM32_PIN(42, AHB1, E, 11),
+    __STM32_PIN(43, AHB1, E, 12),
+    __STM32_PIN(44, AHB1, E, 13),
+    __STM32_PIN(45, AHB1, E, 14),
+    __STM32_PIN(46, AHB1, E, 15),
+    __STM32_PIN(47, AHB1, B, 10),
+    __STM32_PIN(48, AHB1, B, 11),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(51, AHB1, B, 12),
+    __STM32_PIN(52, AHB1, B, 13),
+    __STM32_PIN(53, AHB1, B, 14),
+    __STM32_PIN(54, AHB1, B, 15),
+    __STM32_PIN(55, AHB1, D, 8),
+    __STM32_PIN(56, AHB1, D, 9),
+    __STM32_PIN(57, AHB1, D, 10),
+    __STM32_PIN(58, AHB1, D, 11),
+    __STM32_PIN(59, AHB1, D, 12),
+    __STM32_PIN(60, AHB1, D, 13),
+    __STM32_PIN(61, AHB1, D, 14),
+    __STM32_PIN(62, AHB1, D, 15),
+    __STM32_PIN(63, AHB1, C, 6),
+    __STM32_PIN(64, AHB1, C, 7),
+    __STM32_PIN(65, AHB1, C, 8),
+    __STM32_PIN(66, AHB1, C, 9),
+    __STM32_PIN(67, AHB1, A, 8),
+    __STM32_PIN(68, AHB1, A, 9),
+    __STM32_PIN(69, AHB1, A, 10),
+    __STM32_PIN(70, AHB1, A, 11),
+    __STM32_PIN(71, AHB1, A, 12),
+    __STM32_PIN(72, AHB1, A, 13),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(76, AHB1, A, 14),
+    __STM32_PIN(77, AHB1, A, 15),
+    __STM32_PIN(78, AHB1, C, 10),
+    __STM32_PIN(79, AHB1, C, 11),
+    __STM32_PIN(80, AHB1, C, 12),
+    __STM32_PIN(81, AHB1, D, 0),
+    __STM32_PIN(82, AHB1, D, 1),
+    __STM32_PIN(83, AHB1, D, 2),
+    __STM32_PIN(84, AHB1, D, 3),
+    __STM32_PIN(85, AHB1, D, 4),
+    __STM32_PIN(86, AHB1, D, 5),
+    __STM32_PIN(87, AHB1, D, 6),
+    __STM32_PIN(88, AHB1, D, 7),
+    __STM32_PIN(89, AHB1, B, 3),
+    __STM32_PIN(90, AHB1, B, 4),
+    __STM32_PIN(91, AHB1, B, 5),
+    __STM32_PIN(92, AHB1, B, 6),
+    __STM32_PIN(93, AHB1, B, 7),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(95, AHB1, B, 8),
+    __STM32_PIN(96, AHB1, B, 9),
+    __STM32_PIN(97, AHB1, E, 0),
+    __STM32_PIN(98, AHB1, E, 1),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+#endif
+#if (STM32_PIN_NUMBERS == 144)
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(1, AHB1, E, 2),
+    __STM32_PIN(2, AHB1, E, 3),
+    __STM32_PIN(3, AHB1, E, 4),
+    __STM32_PIN(4, AHB1, E, 5),
+    __STM32_PIN(5, AHB1, E, 6),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(7, AHB1, C, 13),
+    __STM32_PIN(8, AHB1, C, 14),
+    __STM32_PIN(9, AHB1, C, 15),
+
+    __STM32_PIN(10, AHB1, F, 0),
+    __STM32_PIN(11, AHB1, F, 1),
+    __STM32_PIN(12, AHB1, F, 2),
+    __STM32_PIN(13, AHB1, F, 3),
+    __STM32_PIN(14, AHB1, F, 4),
+    __STM32_PIN(15, AHB1, F, 5),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(18, AHB1, F, 6),
+    __STM32_PIN(19, AHB1, F, 7),
+    __STM32_PIN(20, AHB1, F, 8),
+    __STM32_PIN(21, AHB1, F, 9),
+    __STM32_PIN(22, AHB1, F, 10),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(26, AHB1, C, 0),
+    __STM32_PIN(27, AHB1, C, 1),
+    __STM32_PIN(28, AHB1, C, 2),
+    __STM32_PIN(29, AHB1, C, 3),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(34, AHB1, A, 0),
+    __STM32_PIN(35, AHB1, A, 1),
+    __STM32_PIN(36, AHB1, A, 2),
+    __STM32_PIN(37, AHB1, A, 3),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(40, AHB1, A, 4),
+    __STM32_PIN(41, AHB1, A, 5),
+    __STM32_PIN(42, AHB1, A, 6),
+    __STM32_PIN(43, AHB1, A, 7),
+    __STM32_PIN(44, AHB1, C, 4),
+    __STM32_PIN(45, AHB1, C, 5),
+    __STM32_PIN(46, AHB1, B, 0),
+    __STM32_PIN(47, AHB1, B, 1),
+    __STM32_PIN(48, AHB1, B, 2),
+    __STM32_PIN(49, AHB1, F, 11),
+    __STM32_PIN(50, AHB1, F, 12),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(53, AHB1, F, 13),
+    __STM32_PIN(54, AHB1, F, 14),
+    __STM32_PIN(55, AHB1, F, 15),
+    __STM32_PIN(56, AHB1, G, 0),
+    __STM32_PIN(57, AHB1, G, 1),
+    __STM32_PIN(58, AHB1, E, 7),
+    __STM32_PIN(59, AHB1, E, 8),
+    __STM32_PIN(60, AHB1, E, 9),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(63, AHB1, E, 10),
+    __STM32_PIN(64, AHB1, E, 11),
+    __STM32_PIN(65, AHB1, E, 12),
+    __STM32_PIN(66, AHB1, E, 13),
+    __STM32_PIN(67, AHB1, E, 14),
+    __STM32_PIN(68, AHB1, E, 15),
+    __STM32_PIN(69, AHB1, B, 10),
+    __STM32_PIN(70, AHB1, B, 11),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(73, AHB1, B, 12),
+    __STM32_PIN(74, AHB1, B, 13),
+    __STM32_PIN(75, AHB1, B, 14),
+    __STM32_PIN(76, AHB1, B, 15),
+    __STM32_PIN(77, AHB1, D, 8),
+    __STM32_PIN(78, AHB1, D, 9),
+    __STM32_PIN(79, AHB1, D, 10),
+    __STM32_PIN(80, AHB1, D, 11),
+    __STM32_PIN(81, AHB1, D, 12),
+    __STM32_PIN(82, AHB1, D, 13),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(85, AHB1, D, 14),
+    __STM32_PIN(86, AHB1, D, 15),
+    __STM32_PIN(87, AHB1, G, 2),
+    __STM32_PIN(88, AHB1, G, 3),
+    __STM32_PIN(89, AHB1, G, 4),
+    __STM32_PIN(90, AHB1, G, 5),
+    __STM32_PIN(91, AHB1, G, 6),
+    __STM32_PIN(92, AHB1, G, 7),
+    __STM32_PIN(93, AHB1, G, 8),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(96, AHB1, C, 6),
+    __STM32_PIN(97, AHB1, C, 7),
+    __STM32_PIN(98, AHB1, C, 8),
+    __STM32_PIN(99, AHB1, C, 9),
+    __STM32_PIN(100, AHB1, A, 8),
+    __STM32_PIN(101, AHB1, A, 9),
+    __STM32_PIN(102, AHB1, A, 10),
+    __STM32_PIN(103, AHB1, A, 11),
+    __STM32_PIN(104, AHB1, A, 12),
+    __STM32_PIN(105, AHB1, A, 13),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(109, AHB1, A, 14),
+    __STM32_PIN(110, AHB1, A, 15),
+    __STM32_PIN(111, AHB1, C, 10),
+    __STM32_PIN(112, AHB1, C, 11),
+    __STM32_PIN(113, AHB1, C, 12),
+    __STM32_PIN(114, AHB1, D, 0),
+    __STM32_PIN(115, AHB1, D, 1),
+    __STM32_PIN(116, AHB1, D, 2),
+    __STM32_PIN(117, AHB1, D, 3),
+    __STM32_PIN(118, AHB1, D, 4),
+    __STM32_PIN(119, AHB1, D, 5),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(122, AHB1, D, 6),
+    __STM32_PIN(123, AHB1, D, 7),
+    __STM32_PIN(124, AHB1, G, 9),
+    __STM32_PIN(125, AHB1, G, 10),
+    __STM32_PIN(126, AHB1, G, 11),
+    __STM32_PIN(127, AHB1, G, 12),
+    __STM32_PIN(128, AHB1, G, 13),
+    __STM32_PIN(129, AHB1, G, 14),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(132, AHB1, G, 15),
+    __STM32_PIN(133, AHB1, B, 3),
+    __STM32_PIN(134, AHB1, B, 4),
+    __STM32_PIN(135, AHB1, B, 5),
+    __STM32_PIN(136, AHB1, B, 6),
+    __STM32_PIN(137, AHB1, B, 7),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN(139, AHB1, B, 8),
+    __STM32_PIN(140, AHB1, B, 9),
+    __STM32_PIN(141, AHB1, E, 0),
+    __STM32_PIN(142, AHB1, E, 1),
+    __STM32_PIN_DEFAULT,
+    __STM32_PIN_DEFAULT,
+#endif
+};
+
+struct rt_pin_irq_hdr pin_irq_hdr_tab[] =
+{
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},
+    {-1, 0, RT_NULL, RT_NULL},                  
 };
 
-#define ITEM_NUM(items) sizeof(items)/sizeof(items[0])
 const struct pin_index *get_pin(uint8_t pin)
 {
     const struct pin_index *index;
@@ -96,6 +448,8 @@ const struct pin_index *get_pin(uint8_t pin)
     if (pin < ITEM_NUM(pins))
     {
         index = &pins[pin];
+        if (index->index == -1)
+            index = RT_NULL;
     }
     else
     {
@@ -165,15 +519,15 @@ void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
     RCC_AHB1PeriphClockCmd(index->rcc, ENABLE);
 
     /* Configure GPIO_InitStructure */
-    GPIO_InitStructure.GPIO_Pin     = index->pin;
-    GPIO_InitStructure.GPIO_OType   = GPIO_OType_PP;
-    GPIO_InitStructure.GPIO_Speed   = GPIO_Speed_100MHz;
+    GPIO_InitStructure.GPIO_Pin   = index->pin;
+    GPIO_InitStructure.GPIO_Speed = GPIO_Speed_2MHz;
+    GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
 
     if (mode == PIN_MODE_OUTPUT)
     {
         /* output setting */
-        GPIO_InitStructure.GPIO_Mode = GPIO_Mode_OUT;
-        GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_NOPULL;
+        GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_OUT;
+        GPIO_InitStructure.GPIO_OType = GPIO_OType_PP;
     }
     else if (mode == PIN_MODE_INPUT)
     {
@@ -187,27 +541,380 @@ void stm32_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
         GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
         GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_UP;
     }
-    else
+    else if (mode == PIN_MODE_INPUT_PULLDOWN)
     {
-        /* input setting:default. */
+        /* input setting: pull down. */
         GPIO_InitStructure.GPIO_Mode = GPIO_Mode_IN;
         GPIO_InitStructure.GPIO_PuPd = GPIO_PuPd_DOWN;
     }
+    else if (mode == PIN_MODE_OUTPUT_OD)
+    {
+        /* output setting: open drain */
+        GPIO_InitStructure.GPIO_Mode  = GPIO_Mode_OUT;
+        GPIO_InitStructure.GPIO_OType = GPIO_OType_OD;
+    }
+    else
+    {
+        /* error mode */
+        RT_ASSERT(0);
+    }
     GPIO_Init(index->gpio, &GPIO_InitStructure);
 }
 
+rt_inline rt_int32_t bit2bitno(rt_uint32_t bit)
+{
+    int i;
+    for (i = 0; i < 32; i++)
+    {
+        if ((1UL << i) == bit)
+        {
+            return i;
+        }
+    }
+    return -1;
+}
+
+rt_inline rt_int32_t bitno2bit(rt_uint32_t bitno)
+{
+    if (bitno <= 32)
+    {
+        return 1UL << bitno;
+    }
+    else
+    {
+        return 0;
+    }
+}
+
+static const struct pin_irq *get_pin_irq(uint16_t pin)
+{
+    static struct pin_irq irq;
+    const struct pin_index *index;
+
+    index = get_pin(pin);
+    if (index == RT_NULL)
+    {
+        return RT_NULL;
+    }
+
+    irq.exti_line = index->pin;
+    irq.pin_source = bit2bitno(index->pin);
+    irq.port_source = ((uint32_t)index->gpio - GPIOA_BASE) / (GPIOB_BASE - GPIOA_BASE);
+    switch (irq.pin_source)
+    {
+    case 0 : irq.irq_exti_channel = EXTI0_IRQn;break;
+    case 1 : irq.irq_exti_channel = EXTI1_IRQn;break;
+    case 2 : irq.irq_exti_channel = EXTI2_IRQn;break;
+    case 3 : irq.irq_exti_channel = EXTI3_IRQn;break;
+    case 4 : irq.irq_exti_channel = EXTI4_IRQn;break;
+    case 5 :
+    case 6 :
+    case 7 :
+    case 8 :
+    case 9 : irq.irq_exti_channel = EXTI9_5_IRQn;break;
+    case 10 :
+    case 11 :
+    case 12 :
+    case 13 :
+    case 14 :
+    case 15 : irq.irq_exti_channel = EXTI15_10_IRQn;break;
+    default : return RT_NULL;
+    }
+
+    return &irq;
+};
+
+rt_err_t stm32_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
+                  rt_uint32_t mode, void (*hdr)(void *args), void *args)
+{
+    const struct pin_index *index;
+    rt_base_t level;
+
+    rt_int32_t irqindex = -1;
+    index = get_pin(pin);
+    if (index == RT_NULL)
+    {
+        return -RT_ENOSYS;
+    }
+    irqindex = bit2bitno(index->pin);
+    if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_hdr_tab))
+    {
+        return -RT_ENOSYS;
+    }
+
+    level = rt_hw_interrupt_disable();
+    if (pin_irq_hdr_tab[irqindex].pin == pin   &&
+        pin_irq_hdr_tab[irqindex].hdr == hdr   &&
+        pin_irq_hdr_tab[irqindex].mode == mode &&
+        pin_irq_hdr_tab[irqindex].args == args
+    )
+    {
+        rt_hw_interrupt_enable(level);
+        return RT_EOK;
+    }
+    if (pin_irq_hdr_tab[irqindex].pin != -1)
+    {
+        rt_hw_interrupt_enable(level);
+        return -RT_EBUSY;
+    }
+    pin_irq_hdr_tab[irqindex].pin = pin;
+    //TODO PA1 will overwrite PB1's hdr, using rt_list ?
+    pin_irq_hdr_tab[irqindex].hdr = hdr;
+    pin_irq_hdr_tab[irqindex].mode = mode;
+    pin_irq_hdr_tab[irqindex].args = args;
+    rt_hw_interrupt_enable(level);
+ 
+    return RT_EOK;
+}
+
+rt_err_t stm32_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
+{
+    const struct pin_index *index;
+    rt_base_t level;
+    rt_int32_t irqindex = -1;
+
+    index = get_pin(pin);
+    if (index == RT_NULL)
+    {
+        return -RT_ENOSYS;
+    }
+    irqindex = bit2bitno(index->pin);
+    if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_hdr_tab))
+    {
+        return -RT_ENOSYS;
+    }
+
+    level = rt_hw_interrupt_disable();
+    if (pin_irq_hdr_tab[irqindex].pin == -1)
+    {
+        rt_hw_interrupt_enable(level);
+        return RT_EOK;
+    }
+    pin_irq_hdr_tab[irqindex].pin  = -1;
+    pin_irq_hdr_tab[irqindex].hdr  = RT_NULL;
+    pin_irq_hdr_tab[irqindex].mode = 0;
+    pin_irq_hdr_tab[irqindex].args = RT_NULL;
+    rt_hw_interrupt_enable(level);
+ 
+    return RT_EOK;
+}
+
+rt_err_t stm32_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t enabled)
+{
+    const struct pin_index *index;
+    const struct pin_irq *irq;
+    rt_base_t level;
+    rt_int32_t irqindex = -1;
+    NVIC_InitTypeDef NVIC_InitStructure;
+    EXTI_InitTypeDef EXTI_InitStructure;
+
+    index = get_pin(pin);
+    if (index == RT_NULL)
+    {
+        return -RT_ENOSYS;
+    }
+    if (enabled == PIN_IRQ_ENABLE)
+    {
+        irqindex = bit2bitno(index->pin);
+        if (irqindex < 0 || irqindex >= ITEM_NUM(pin_irq_hdr_tab))
+        {
+            return -RT_ENOSYS;
+        }
+        level = rt_hw_interrupt_disable();
+        if (pin_irq_hdr_tab[irqindex].pin == -1)
+        {
+            rt_hw_interrupt_enable(level);
+            return -RT_ENOSYS;
+        }
+
+        irq = get_pin_irq(pin);
+        if (irq == RT_NULL)
+        {
+            rt_hw_interrupt_enable(level);
+            return -RT_ENOSYS;
+        }
+        /* select the input source pin for the EXTI line */
+        SYSCFG_EXTILineConfig(irq->port_source, irq->pin_source);
+        /* select the mode(interrupt, event) and configure the trigger selection */
+        EXTI_InitStructure.EXTI_Line = irq->exti_line;
+        EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+        switch (pin_irq_hdr_tab[irqindex].mode)
+        {
+        case PIN_IRQ_MODE_RISING:
+            EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
+            break;
+        case PIN_IRQ_MODE_FALLING:
+            EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Falling;
+            break;
+        case PIN_IRQ_MODE_RISING_FALLING:
+            EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising_Falling;
+            break;
+        }
+        EXTI_InitStructure.EXTI_LineCmd = ENABLE;
+        EXTI_Init(&EXTI_InitStructure);
+        /* configure NVIC IRQ channel mapped to the EXTI line */
+        NVIC_InitStructure.NVIC_IRQChannel = irq->irq_exti_channel;
+        NVIC_InitStructure.NVIC_IRQChannelPreemptionPriority = 2;
+        NVIC_InitStructure.NVIC_IRQChannelSubPriority = 2;
+        NVIC_InitStructure.NVIC_IRQChannelCmd = ENABLE;
+        NVIC_Init(&NVIC_InitStructure);
+
+        rt_hw_interrupt_enable(level);
+    }
+    else if (enabled == PIN_IRQ_DISABLE)
+    {
+        irq = get_pin_irq(index->pin);
+        if (irq == RT_NULL)
+        {
+            return -RT_ENOSYS;
+        }
+        EXTI_InitStructure.EXTI_Line = irq->exti_line;
+        EXTI_InitStructure.EXTI_Mode = EXTI_Mode_Interrupt;
+        EXTI_InitStructure.EXTI_Trigger = EXTI_Trigger_Rising;
+        EXTI_InitStructure.EXTI_LineCmd = DISABLE;  
+        EXTI_Init(&EXTI_InitStructure);
+    }
+    else
+    {
+        return -RT_ENOSYS;
+    }
+
+    return RT_EOK;
+}
 const static struct rt_pin_ops _stm32_pin_ops =
 {
     stm32_pin_mode,
     stm32_pin_write,
     stm32_pin_read,
+    stm32_pin_attach_irq,
+    stm32_pin_dettach_irq,
+    stm32_pin_irq_enable,
 };
 
 int stm32_hw_pin_init(void)
 {
-    rt_device_pin_register("pin", &_stm32_pin_ops, RT_NULL);
-    return 0;
+    int result;
+
+    /* enable SYSCFG clock for EXTI */
+    RCC_APB2PeriphClockCmd(RCC_APB2Periph_SYSCFG, ENABLE);
+
+    result = rt_device_pin_register("pin", &_stm32_pin_ops, RT_NULL);
+    return result;
 }
 INIT_BOARD_EXPORT(stm32_hw_pin_init);
 
+rt_inline void pin_irq_hdr(int irqno)
+{
+    EXTI_ClearITPendingBit(bitno2bit(irqno));
+    if (pin_irq_hdr_tab[irqno].hdr)
+    {
+       pin_irq_hdr_tab[irqno].hdr(pin_irq_hdr_tab[irqno].args);
+    }
+}
+
+void EXTI0_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+    pin_irq_hdr(0);
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+
+void EXTI1_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+    pin_irq_hdr(1);
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+
+void EXTI2_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+    pin_irq_hdr(2);
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+
+void EXTI3_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+    pin_irq_hdr(3);
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+
+void EXTI4_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+    pin_irq_hdr(4);
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+
+void EXTI9_5_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+    if (EXTI_GetITStatus(EXTI_Line5) != RESET)
+    {
+        pin_irq_hdr(5);
+    }
+    if (EXTI_GetITStatus(EXTI_Line6) != RESET)
+    {
+        pin_irq_hdr(6);
+    }
+    if (EXTI_GetITStatus(EXTI_Line7) != RESET)
+    {
+        pin_irq_hdr(7);
+    }
+    if (EXTI_GetITStatus(EXTI_Line8) != RESET)
+    {
+        pin_irq_hdr(8);
+    }
+    if (EXTI_GetITStatus(EXTI_Line9) != RESET)
+    {
+        pin_irq_hdr(9);
+    }
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+
+void EXTI15_10_IRQHandler(void)
+{
+    /* enter interrupt */
+    rt_interrupt_enter();
+    if (EXTI_GetITStatus(EXTI_Line10) != RESET)
+    {
+        pin_irq_hdr(10);
+    }
+    if (EXTI_GetITStatus(EXTI_Line11) != RESET)
+    {
+        pin_irq_hdr(11);
+    }
+    if (EXTI_GetITStatus(EXTI_Line12) != RESET)
+    {
+        pin_irq_hdr(12);
+    }
+    if (EXTI_GetITStatus(EXTI_Line13) != RESET)
+    {
+        pin_irq_hdr(13);
+    }
+    if (EXTI_GetITStatus(EXTI_Line14) != RESET)
+    {
+        pin_irq_hdr(14);
+    }
+    if (EXTI_GetITStatus(EXTI_Line15) != RESET)
+    {
+        pin_irq_hdr(15);
+    }
+    /* leave interrupt */
+    rt_interrupt_leave();
+}
+
 #endif
diff --git a/bsp/stm32f429-apollo/.config b/bsp/stm32f429-apollo/.config
index 56a7603db..27d5bc355 100644
--- a/bsp/stm32f429-apollo/.config
+++ b/bsp/stm32f429-apollo/.config
@@ -14,7 +14,7 @@ CONFIG_RT_TICK_PER_SECOND=1000
 CONFIG_RT_DEBUG=y
 CONFIG_RT_USING_OVERFLOW_CHECK=y
 CONFIG_RT_DEBUG_INIT=1
-# CONFIG_RT_DEBUG_THREAD is not set
+CONFIG_RT_DEBUG_THREAD=0
 CONFIG_RT_USING_HOOK=y
 CONFIG_IDLE_THREAD_STACK_SIZE=1024
 # CONFIG_RT_USING_TIMER_SOFT is not set
@@ -42,6 +42,7 @@ CONFIG_RT_USING_SMALL_MEM=y
 # Kernel Device Object
 #
 CONFIG_RT_USING_DEVICE=y
+# CONFIG_RT_USING_INTERRUPT_INFO is not set
 CONFIG_RT_USING_CONSOLE=y
 CONFIG_RT_CONSOLEBUF_SIZE=128
 CONFIG_RT_CONSOLE_DEVICE_NAME="uart"
@@ -100,6 +101,8 @@ CONFIG_RT_DFS_ELM_MAX_SECTOR_SIZE=512
 CONFIG_RT_DFS_ELM_REENTRANT=y
 CONFIG_RT_USING_DFS_DEVFS=y
 CONFIG_RT_USING_DFS_NET=y
+CONFIG_HAVE_SYS_SELECT_H=y
+# CONFIG_HAVE_SYS_SOCKET_H is not set
 # CONFIG_RT_USING_DFS_ROMFS is not set
 # CONFIG_RT_USING_DFS_RAMFS is not set
 # CONFIG_RT_USING_DFS_UFFS is not set
@@ -151,7 +154,14 @@ CONFIG_RT_LWIP_DNS=y
 CONFIG_RT_LWIP_DHCP=y
 CONFIG_IP_SOF_BROADCAST=1
 CONFIG_IP_SOF_BROADCAST_RECV=1
-CONFIG_LWIP_USING_DHCPD=y
+# CONFIG_LWIP_USING_DHCPD is not set
+
+#
+# Static IPv4 Address
+#
+CONFIG_RT_LWIP_IPADDR="192.168.10.30"
+CONFIG_RT_LWIP_GWADDR="192.168.10.1"
+CONFIG_RT_LWIP_MSKADDR="255.255.255.0"
 CONFIG_RT_LWIP_UDP=y
 CONFIG_RT_LWIP_TCP=y
 # CONFIG_RT_LWIP_RAW is not set
@@ -189,6 +199,11 @@ CONFIG_LWIP_SO_RCVBUF=1
 #
 # CONFIG_RT_USING_GUIENGINE is not set
 
+#
+# VBUS(Virtual Software BUS)
+#
+# CONFIG_RT_USING_VBUS is not set
+
 #
 # RT-Thread online packages
 #
@@ -227,12 +242,14 @@ CONFIG_LWIP_SO_RCVBUF=1
 #
 # multimedia packages
 #
+# CONFIG_PKG_USING_FASTLZ is not set
 
 #
 # tools packages
 #
 # CONFIG_PKG_USING_CMBACKTRACE is not set
 # CONFIG_PKG_USING_EASYLOGGER is not set
+# CONFIG_PKG_USING_SYSTEMVIEW is not set
 
 #
 # miscellaneous packages
diff --git a/bsp/stm32f429-apollo/rtconfig.h b/bsp/stm32f429-apollo/rtconfig.h
index acf768736..9a94a8d13 100644
--- a/bsp/stm32f429-apollo/rtconfig.h
+++ b/bsp/stm32f429-apollo/rtconfig.h
@@ -15,7 +15,7 @@
 #define RT_DEBUG
 #define RT_USING_OVERFLOW_CHECK
 #define RT_DEBUG_INIT 1
-/* RT_DEBUG_THREAD is not set */
+#define RT_DEBUG_THREAD 0
 #define RT_USING_HOOK
 #define IDLE_THREAD_STACK_SIZE 1024
 /* RT_USING_TIMER_SOFT is not set */
@@ -40,6 +40,7 @@
 /* Kernel Device Object */
 
 #define RT_USING_DEVICE
+/* RT_USING_INTERRUPT_INFO is not set */
 #define RT_USING_CONSOLE
 #define RT_CONSOLEBUF_SIZE 128
 #define RT_CONSOLE_DEVICE_NAME "uart"
@@ -93,6 +94,8 @@
 #define RT_DFS_ELM_REENTRANT
 #define RT_USING_DFS_DEVFS
 #define RT_USING_DFS_NET
+#define HAVE_SYS_SELECT_H
+/* HAVE_SYS_SOCKET_H is not set */
 /* RT_USING_DFS_ROMFS is not set */
 /* RT_USING_DFS_RAMFS is not set */
 /* RT_USING_DFS_UFFS is not set */
@@ -139,7 +142,13 @@
 #define RT_LWIP_DHCP
 #define IP_SOF_BROADCAST 1
 #define IP_SOF_BROADCAST_RECV 1
-#define LWIP_USING_DHCPD
+/* LWIP_USING_DHCPD is not set */
+
+/* Static IPv4 Address */
+
+#define RT_LWIP_IPADDR "192.168.10.30"
+#define RT_LWIP_GWADDR "192.168.10.1"
+#define RT_LWIP_MSKADDR "255.255.255.0"
 #define RT_LWIP_UDP
 #define RT_LWIP_TCP
 /* RT_LWIP_RAW is not set */
@@ -175,6 +184,10 @@
 
 /* RT_USING_GUIENGINE is not set */
 
+/* VBUS(Virtual Software BUS) */
+
+/* RT_USING_VBUS is not set */
+
 /* RT-Thread online packages */
 
 /* system packages */
@@ -205,10 +218,13 @@
 
 /* multimedia packages */
 
+/* PKG_USING_FASTLZ is not set */
+
 /* tools packages */
 
 /* PKG_USING_CMBACKTRACE is not set */
 /* PKG_USING_EASYLOGGER is not set */
+/* PKG_USING_SYSTEMVIEW is not set */
 
 /* miscellaneous packages */
 
diff --git a/components/drivers/include/drivers/pin.h b/components/drivers/include/drivers/pin.h
index 9745aafdf..a4ac39c75 100644
--- a/components/drivers/include/drivers/pin.h
+++ b/components/drivers/include/drivers/pin.h
@@ -96,7 +96,7 @@ int  rt_pin_read(rt_base_t pin);
 rt_err_t rt_pin_attach_irq(rt_int32_t pin, rt_uint32_t mode,
                              void (*hdr)(void *args), void  *args);
 rt_err_t rt_pin_dettach_irq(rt_int32_t pin);
-rt_err_t pin_irq_enable(rt_base_t pin, rt_uint32_t enabled);
+rt_err_t rt_pin_irq_enable(rt_base_t pin, rt_uint32_t enabled);
 
 int rt_device_pin_irq_register(const char *name, const struct rt_pin_ops *ops,
                                                               void *user_data);
diff --git a/components/drivers/misc/pin.c b/components/drivers/misc/pin.c
index 9cbe47089..9ed827f0b 100644
--- a/components/drivers/misc/pin.c
+++ b/components/drivers/misc/pin.c
@@ -117,7 +117,7 @@ rt_err_t rt_pin_dettach_irq(rt_int32_t pin)
     }
     return RT_ENOSYS;
 }
-rt_err_t pin_irq_enable(rt_base_t pin, rt_uint32_t enabled)
+rt_err_t rt_pin_irq_enable(rt_base_t pin, rt_uint32_t enabled)
 {
     RT_ASSERT(_hw_pin.ops != RT_NULL);
     if(_hw_pin.ops->pin_irq_enable)
diff --git a/components/drivers/wlan/wlan_cmd.c b/components/drivers/wlan/wlan_cmd.c
index 2ff0db903..273061fad 100644
--- a/components/drivers/wlan/wlan_cmd.c
+++ b/components/drivers/wlan/wlan_cmd.c
@@ -41,8 +41,11 @@ struct rt_wlan_info info;
 #define WIFI_SETTING_FN     "/appfs/setting.json"
 #endif
 
-#ifndef WIFI_DEVICE_NAME
-#define WIFI_DEVICE_NAME    "w0"
+#ifndef WIFI_DEVICE_STA_NAME
+#define WIFI_DEVICE_STA_NAME    "w0"
+#endif
+#ifndef WIFI_DEVICE_AP_NAME
+#define WIFI_DEVICE_AP_NAME    "ap"
 #endif
 
 #ifdef RT_USING_DFS
@@ -304,53 +307,43 @@ int wifi_default(void)
     /* read default setting for wifi */
     wifi_read_cfg(WIFI_SETTING_FN);
 
-    /* get wlan device */
-    wlan = (struct rt_wlan_device*)rt_device_find(WIFI_DEVICE_NAME);
-    if (!wlan)
-    {
-        rt_kprintf("no wlan:%s device\n", WIFI_DEVICE_NAME);
-        return -1;
-    }
-
     if (network_mode == WIFI_STATION)
     {
-        struct rt_wlan_info *info;
-
-        info = (struct rt_wlan_info *)rt_malloc (sizeof(struct rt_wlan_info));
-        if (!info)
+        /* get wlan device */
+        wlan = (struct rt_wlan_device*)rt_device_find(WIFI_DEVICE_STA_NAME);
+        if (!wlan)
         {
-            rt_kprintf("wifi: out of memory\n");
+            rt_kprintf("no wlan:%s device\n", WIFI_DEVICE_STA_NAME);
             return -1;
         }
 
         /* wifi station */
-        rt_wlan_info_init(info, WIFI_STATION, SECURITY_WPA2_MIXED_PSK, wifi_ssid);
+        rt_wlan_info_init(&info, WIFI_STATION, SECURITY_WPA2_MIXED_PSK, wifi_ssid);
         result =rt_wlan_init(wlan, WIFI_STATION);
         if (result == RT_EOK)
         {
-            result = rt_wlan_connect(wlan, info, wifi_key);
+            result = rt_wlan_connect(wlan, &info, wifi_key);
         }
     }
     else
     {
         /* wifi AP */
-        struct rt_wlan_info *info;
-
-        info = (struct rt_wlan_info *)rt_malloc (sizeof(struct rt_wlan_info));
-        if (!info)
+        /* get wlan device */
+        wlan = (struct rt_wlan_device*)rt_device_find(WIFI_DEVICE_AP_NAME);
+        if (!wlan)
         {
-            rt_kprintf("wifi: out of memory\n");
+            rt_kprintf("no wlan:%s device\n", WIFI_DEVICE_AP_NAME);
             return -1;
         }
 
-        rt_wlan_info_init(info, WIFI_AP, SECURITY_WPA2_AES_PSK, wifi_ssid);
-        info->channel = 11;
+        rt_wlan_info_init(&info, WIFI_AP, SECURITY_WPA2_AES_PSK, wifi_ssid);
+        info.channel = 11;
 
         /* wifi soft-AP */
         result =rt_wlan_init(wlan, WIFI_AP);
         if (result == RT_EOK)
         {
-            result = rt_wlan_softap(wlan, info, wifi_key);
+            result = rt_wlan_softap(wlan, &info, wifi_key);
         }
     }
 
@@ -417,6 +410,7 @@ int wifi(int argc, char** argv)
     if (strcmp(argv[2], "join") == 0)
     {
         rt_wlan_init(wlan, WIFI_STATION);
+        network_mode = WIFI_STATION;
 
         /* TODO: use easy-join to replace */
         rt_wlan_info_init(&info, WIFI_STATION, SECURITY_WPA2_MIXED_PSK, argv[3]);
@@ -471,34 +465,37 @@ int wifi(int argc, char** argv)
     else if (strcmp(argv[2], "ap") == 0)
     {
         rt_err_t result = RT_EOK;
-        struct rt_wlan_info *info;
 
-        info = (struct rt_wlan_info*)rt_malloc(sizeof(struct rt_wlan_info));
         if (argc == 4)
         {
             // open soft-AP
-            rt_wlan_info_init(info, WIFI_AP, SECURITY_OPEN, argv[3]);
-            info->channel = 11;
+            rt_wlan_info_init(&info, WIFI_AP, SECURITY_OPEN, argv[3]);
+            info.channel = 11;
 
             result =rt_wlan_init(wlan, WIFI_AP);
             /* start soft ap */
-            result = rt_wlan_softap(wlan, info, NULL);
+            result = rt_wlan_softap(wlan, &info, NULL);
+            if (result == RT_EOK)
+            {
+                network_mode = WIFI_AP;
+            }
         }
         else if (argc == 5)
         {
             // WPA2 with password
-            rt_wlan_info_init(info, WIFI_AP, SECURITY_WPA2_AES_PSK, argv[3]);
-            info->channel = 11;
+            rt_wlan_info_init(&info, WIFI_AP, SECURITY_WPA2_AES_PSK, argv[3]);
+            info.channel = 11;
 
             result =rt_wlan_init(wlan, WIFI_AP);
             /* start soft ap */
-            result = rt_wlan_softap(wlan, info, argv[4]);
+            result = rt_wlan_softap(wlan, &info, argv[4]);
+            if (result == RT_EOK)
+            {
+                network_mode = WIFI_AP;
+            }            
         }
         else
         {
-            /* release information */
-            rt_free(info);
-
             wifi_usage();
         }
         
diff --git a/components/libc/compilers/armlibc/dirent.h b/components/libc/compilers/armlibc/dirent.h
new file mode 100644
index 000000000..1adf95203
--- /dev/null
+++ b/components/libc/compilers/armlibc/dirent.h
@@ -0,0 +1,54 @@
+#ifndef __RTT_DIRENT_H__
+#define __RTT_DIRENT_H__
+
+#include <rtthread.h>
+#include <rtlibc.h>
+
+/*
+* dirent.h - format of directory entries
+ * Ref: http://www.opengroup.org/onlinepubs/009695399/basedefs/dirent.h.html
+ */
+
+/* File types */
+#define FT_REGULAR		0	/* regular file */
+#define FT_SOCKET		1	/* socket file  */
+#define FT_DIRECTORY	2	/* directory    */
+#define FT_USER			3	/* user defined */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#ifndef HAVE_DIR_STRUCTURE
+typedef struct 
+{
+	int fd;							/* directory file */
+	char buf[512];
+	int num;
+	int cur;
+} DIR;
+#endif
+
+#ifndef HAVE_DIRENT_STRUCTURE
+struct dirent
+{
+	rt_uint8_t  d_type;				/* The type of the file */
+	rt_uint8_t  d_namlen;			/* The length of the not including the terminating null file name */
+	rt_uint16_t d_reclen;			/* length of this record */
+	char d_name[256];				/* The null-terminated file name */
+};
+#endif
+
+int            closedir(DIR *);
+DIR           *opendir(const char *);
+struct dirent *readdir(DIR *);
+int            readdir_r(DIR *, struct dirent *, struct dirent **);
+void           rewinddir(DIR *);
+void           seekdir(DIR *, long int);
+long           telldir(DIR *);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif