Merge branch 'master' of https://github.com/RT-Thread/rt-thread

30 files changed, 3701 insertions, 2820 deletions

diff --git a/bsp/imxrt1052-evk/.config b/bsp/imxrt1052-evk/.config
index 130d4835b5..badc996951 100644
--- a/bsp/imxrt1052-evk/.config
+++ b/bsp/imxrt1052-evk/.config
@@ -130,7 +130,9 @@ CONFIG_RT_USING_I2C_BITOPS=y
 CONFIG_RT_USING_PIN=y
 # CONFIG_RT_USING_MTD_NOR is not set
 # CONFIG_RT_USING_MTD_NAND is not set
-# CONFIG_RT_USING_RTC is not set
+CONFIG_RT_USING_RTC=y
+# CONFIG_RT_USING_SOFT_RTC is not set
+# CONFIG_RTC_SYNC_USING_NTP is not set
 CONFIG_RT_USING_SDIO=y
 # CONFIG_RT_USING_SPI is not set
 # CONFIG_RT_USING_WDT is not set
@@ -312,5 +314,5 @@ CONFIG_LWIP_NETIF_LOOPBACK=0
 # CONFIG_PKG_USING_HELLO is not set
 # CONFIG_PKG_USING_MULTIBUTTON is not set
 CONFIG_SOC_IMXRT1052=y
-CONFIG_RT_USING_UART=y
 CONFIG_RT_USING_UART1=y
+CONFIG_RT_USING_HP_RTC=y
diff --git a/bsp/imxrt1052-evk/Kconfig b/bsp/imxrt1052-evk/Kconfig
index 0a15061526..8bfb1e2589 100644
--- a/bsp/imxrt1052-evk/Kconfig
+++ b/bsp/imxrt1052-evk/Kconfig
@@ -23,13 +23,15 @@ config SOC_IMXRT1052
     select ARCH_ARM_CORTEX_M7
     default y
 
-config RT_USING_UART
-    bool "Using RT_USING_UART"
-    default y
-
-if RT_USING_UART
+if RT_USING_SERIAL
 config RT_USING_UART1
     bool "Using RT_USING_UART1"
-    default y      
+    default y 
 endif
- 
+
+if RT_USING_RTC
+config RT_USING_HP_RTC
+    bool "Using RT_USING_HP_RTC"
+    default n 
+endif
+
diff --git a/bsp/imxrt1052-evk/drivers/SConscript b/bsp/imxrt1052-evk/drivers/SConscript
index 4025fb6fbc..c18b8ca321 100644
--- a/bsp/imxrt1052-evk/drivers/SConscript
+++ b/bsp/imxrt1052-evk/drivers/SConscript
@@ -7,7 +7,7 @@ cwd     = os.path.join(str(Dir('#')), 'drivers')
 # add the general drivers.
 src = Split("""
 board.c
-usart.c
+drv_uart.c
 hyper_flash_boot.c
 drv_sdram.c
 """)
@@ -18,6 +18,9 @@ CPPDEFINES = []
 if GetDepend('RT_USING_PIN'):
     src += ['drv_pin.c']
 
+if GetDepend('RT_USING_HP_RTC'):
+    src += ['drv_hp_rtc.c']
+
 if GetDepend('RT_USING_LWIP'):
     src += ['drv_eth.c', 'fsl_phy.c']
     CPPDEFINES += ['FSL_FEATURE_PHYKSZ8081_USE_RMII50M_MODE']
diff --git a/bsp/imxrt1052-evk/drivers/board.c b/bsp/imxrt1052-evk/drivers/board.c
index 5cb875827a..b182ed58e0 100644
--- a/bsp/imxrt1052-evk/drivers/board.c
+++ b/bsp/imxrt1052-evk/drivers/board.c
@@ -16,7 +16,7 @@
 #include <rtthread.h>
 
 #include "board.h"
-#include "usart.h"
+#include "drv_uart.h"
 
 static struct rt_memheap system_heap;
 
diff --git a/bsp/imxrt1052-evk/drivers/drv_hp_rtc.c b/bsp/imxrt1052-evk/drivers/drv_hp_rtc.c
new file mode 100644
index 0000000000..29093e0eb8
--- /dev/null
+++ b/bsp/imxrt1052-evk/drivers/drv_hp_rtc.c
@@ -0,0 +1,150 @@
+/*
+ * File      : drv_hp_rtc.c
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006-2013, 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
+ * 2018-03-15     Liuguang     the first version.
+ */
+#include "drv_hp_rtc.h" 
+#include <time.h>
+#include "fsl_common.h" 
+#include "fsl_snvs_hp.h"
+#include "fsl_snvs_lp.h"
+
+#ifdef RT_USING_RTC
+
+#if defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL
+    #error "Please don't define 'FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL'!"
+#endif
+
+static time_t get_timestamp(void) 
+{
+    struct tm tm_new = {0}; 
+    snvs_hp_rtc_datetime_t rtcDate; 
+    
+    SNVS_HP_RTC_GetDatetime(SNVS, &rtcDate); 
+    
+    tm_new.tm_sec  = rtcDate.second; 
+    tm_new.tm_min  = rtcDate.minute; 
+    tm_new.tm_hour = rtcDate.hour;
+    
+    tm_new.tm_mday = rtcDate.day; 
+    tm_new.tm_mon  = rtcDate.month - 1;  
+    tm_new.tm_year = rtcDate.year - 1900; 
+
+    return mktime(&tm_new);
+}
+
+static int set_timestamp(time_t timestamp)
+{
+    struct tm *p_tm;
+    snvs_hp_rtc_datetime_t rtcDate; 
+    
+    p_tm = localtime(&timestamp);
+    
+    rtcDate.second = p_tm->tm_sec ; 
+    rtcDate.minute = p_tm->tm_min ; 
+    rtcDate.hour   = p_tm->tm_hour; 
+
+    rtcDate.day    = p_tm->tm_mday; 
+    rtcDate.month  = p_tm->tm_mon  + 1;  
+    rtcDate.year   = p_tm->tm_year + 1900; 
+    
+    SNVS_HP_RTC_SetDatetime(SNVS, &rtcDate); 
+    
+    return RT_EOK;
+}
+
+/* �����ӿ� */
+static rt_err_t rt1052_hp_rtc_init(rt_device_t dev)
+{
+    snvs_hp_rtc_config_t snvsRtcConfig;
+    
+    SNVS_HP_RTC_GetDefaultConfig(&snvsRtcConfig);
+    SNVS_HP_RTC_Init(SNVS, &snvsRtcConfig);
+    
+    SNVS_HP_RTC_StartTimer(SNVS); 
+    
+    return RT_EOK; 
+}
+
+static rt_err_t rt1052_hp_rtc_open(rt_device_t dev, rt_uint16_t oflag)
+{
+    return RT_EOK; 
+}
+
+static rt_err_t rt1052_hp_rtc_close(rt_device_t dev) 
+{
+    return RT_EOK; 
+} 
+
+static rt_size_t rt1052_hp_rtc_read(rt_device_t dev, rt_off_t pos, void* buffer, rt_size_t size)
+{
+    return 0; 
+}
+
+static rt_size_t rt1052_hp_rtc_write(rt_device_t dev, rt_off_t pos, const void* buffer, rt_size_t size)
+{
+    return 0; 
+}
+
+static rt_err_t rt1052_hp_rtc_control(rt_device_t dev, int cmd, void *args)
+{
+    RT_ASSERT(dev != RT_NULL);
+    
+    switch(cmd)
+    {
+        case RT_DEVICE_CTRL_RTC_GET_TIME: 
+        {
+            *(uint32_t *)args = get_timestamp(); 
+        }
+        break;
+            
+        case RT_DEVICE_CTRL_RTC_SET_TIME: 
+        {
+            set_timestamp(*(time_t *)args); 
+        }
+        break;
+            
+        /* ������ */
+        default:
+            return RT_EINVAL; 
+    }
+    
+    return RT_EOK; 
+}
+
+static struct rt_device device = 
+{
+    .type    = RT_Device_Class_RTC, 
+    .init    = rt1052_hp_rtc_init, 
+    .open    = rt1052_hp_rtc_open, 
+    .close   = rt1052_hp_rtc_close, 
+    .read    = rt1052_hp_rtc_read,
+    .write   = rt1052_hp_rtc_write,
+    .control = rt1052_hp_rtc_control, 
+};
+
+int rt_hw_hp_rtc_init(void)
+{
+    rt_err_t ret = RT_EOK;
+    
+    ret = rt_device_register(&device, "rtc", RT_DEVICE_FLAG_RDWR); 
+    if(ret != RT_EOK)
+    {
+        return ret; 
+    }
+    
+    rt_device_open(&device, RT_DEVICE_OFLAG_RDWR); 
+    
+    return RT_EOK; 
+}
+INIT_DEVICE_EXPORT(rt_hw_hp_rtc_init); 
+
+#endif /*RT_USING_RTC */
diff --git a/bsp/imxrt1052-evk/drivers/drv_hp_rtc.h b/bsp/imxrt1052-evk/drivers/drv_hp_rtc.h
new file mode 100644
index 0000000000..e191e4714c
--- /dev/null
+++ b/bsp/imxrt1052-evk/drivers/drv_hp_rtc.h
@@ -0,0 +1,23 @@
+/*
+ * File      : drv_hp_rtc.h
+ * This file is part of RT-Thread RTOS
+ * COPYRIGHT (C) 2006-2013, 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
+ * 2018-03-15     Liuguang     the first version. 
+ */
+ 
+#ifndef __DRV_RTC_H__
+#define __DRV_RTC_H__
+
+#include <rtthread.h> 
+#include <rtdevice.h> 
+
+int rt_hw_hp_rtc_init(void);
+
+#endif
diff --git a/bsp/imxrt1052-evk/drivers/drv_pin.c b/bsp/imxrt1052-evk/drivers/drv_pin.c
index 84e3733039..3715371cde 100644
--- a/bsp/imxrt1052-evk/drivers/drv_pin.c
+++ b/bsp/imxrt1052-evk/drivers/drv_pin.c
@@ -9,7 +9,8 @@
  *
  * Change Logs:
  * Date           Author       Notes
- * 2018-03-13     Liuguang     the first version. 
+ * 2018-03-13     Liuguang     the first version.
+ * 2018-03-19     Liuguang     add GPIO interrupt mode support.
  */
 #include "drv_pin.h" 
 
@@ -19,12 +20,10 @@
 
 #ifdef RT_USING_PIN
 
-/* GPIO����ʱ�ӻ���GPIO_PinInit���Զ�����, ������������º��򲻻��Զ����� */ 
 #if defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL
     #error "Please don't define 'FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL'!"
 #endif
 
-/* RT1052 PIN�����ṹ�� */
 struct rt1052_pin
 {
     rt_uint16_t   pin; 
@@ -32,10 +31,18 @@ struct rt1052_pin
     rt_uint32_t   gpio_pin; 
 }; 
 
+struct rt1052_irq
+{
+    rt_uint16_t           enable; 
+    struct rt_pin_irq_hdr irq_info; 
+};
+
 #define __ARRAY_LEN(array) (sizeof(array)/sizeof(array[0])) 
 #define __RT1052_PIN_DEFAULT {0, 0, 0} 
 #define __RT1052_PIN(INDEX, PORT, PIN) {INDEX, PORT, PIN} 
 
+static struct rt_pin_ops rt1052_pin_ops; 
+
 static struct rt1052_pin rt1052_pin_map[] = 
 {
     __RT1052_PIN_DEFAULT, 
@@ -179,6 +186,279 @@ static struct rt1052_pin rt1052_pin_map[] =
     __RT1052_PIN(127, GPIO5,  2)     /* PMIC_STBY_REQ */
 }; 
 
+static struct rt1052_irq rt1052_irq_map[] = 
+{
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} },
+    {PIN_IRQ_DISABLE, {PIN_IRQ_PIN_NONE, PIN_IRQ_MODE_RISING, RT_NULL, RT_NULL} }
+}; 
+
+void gpio_isr(GPIO_Type* base, rt_uint32_t gpio_pin)
+{
+    if((GPIO_PortGetInterruptFlags(base) & (1 << gpio_pin)) != 0)
+    {
+        GPIO_PortClearInterruptFlags(base, gpio_pin); 
+        
+        if(rt1052_irq_map[gpio_pin].irq_info.hdr != RT_NULL)
+        {
+            rt1052_irq_map[gpio_pin].irq_info.hdr(rt1052_irq_map[gpio_pin].irq_info.args);
+        }
+    }
+}
+
+void GPIO1_Combined_0_15_IRQHandler(void)
+{
+    rt_uint8_t gpio_pin; 
+    
+    rt_interrupt_enter();
+
+    for(gpio_pin = 0; gpio_pin <= 15; gpio_pin++)
+    {
+        gpio_isr(GPIO1, gpio_pin); 
+    }
+    
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+    
+    rt_interrupt_leave();
+}
+
+void GPIO1_Combined_16_31_IRQHandler(void)
+{
+    rt_uint8_t gpio_pin; 
+    
+    rt_interrupt_enter();
+
+    for(gpio_pin = 16; gpio_pin <= 31; gpio_pin++)
+    {
+        gpio_isr(GPIO1, gpio_pin); 
+    }
+    
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+    
+    rt_interrupt_leave();
+}
+
+void GPIO2_Combined_0_15_IRQHandler(void)
+{
+    rt_uint8_t gpio_pin; 
+    
+    rt_interrupt_enter();
+
+    for(gpio_pin = 0; gpio_pin <= 15; gpio_pin++)
+    {
+        gpio_isr(GPIO2, gpio_pin); 
+    }
+    
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+    
+    rt_interrupt_leave();
+}
+
+void GPIO2_Combined_16_31_IRQHandler(void)
+{
+    rt_uint8_t gpio_pin; 
+    
+    rt_interrupt_enter();
+
+    for(gpio_pin = 16; gpio_pin <= 31; gpio_pin++)
+    {
+        gpio_isr(GPIO2, gpio_pin); 
+    }
+    
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+    
+    rt_interrupt_leave();
+}
+
+void GPIO3_Combined_0_15_IRQHandler(void) 
+{
+    rt_uint8_t gpio_pin; 
+    
+    rt_interrupt_enter();
+
+    for(gpio_pin = 0; gpio_pin <= 15; gpio_pin++)
+    {
+        gpio_isr(GPIO3, gpio_pin); 
+    }
+    
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+    
+    rt_interrupt_leave();
+}
+
+void GPIO3_Combined_16_31_IRQHandler(void)
+{
+    rt_uint8_t gpio_pin; 
+    
+    rt_interrupt_enter();
+
+    for(gpio_pin = 16; gpio_pin <= 31; gpio_pin++)
+    {
+        gpio_isr(GPIO3, gpio_pin); 
+    }
+    
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+    
+    rt_interrupt_leave();
+}
+
+void GPIO4_Combined_0_15_IRQHandler(void)
+{
+    rt_uint8_t gpio_pin; 
+    
+    rt_interrupt_enter();
+
+    for(gpio_pin = 0; gpio_pin <= 15; gpio_pin++)
+    {
+        gpio_isr(GPIO4, gpio_pin); 
+    }
+    
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+    
+    rt_interrupt_leave();
+}
+void GPIO4_Combined_16_31_IRQHandler(void)
+{
+    rt_uint8_t gpio_pin; 
+    
+    rt_interrupt_enter();
+
+    for(gpio_pin = 16; gpio_pin <= 31; gpio_pin++)
+    {
+        gpio_isr(GPIO4, gpio_pin); 
+    }
+    
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+    
+    rt_interrupt_leave();
+}
+
+void GPIO5_Combined_0_15_IRQHandler(void)
+{ 
+    rt_uint8_t gpio_pin; 
+    
+    rt_interrupt_enter();
+
+    for(gpio_pin = 0; gpio_pin <= 2; gpio_pin++)
+    {
+        gpio_isr(GPIO5, gpio_pin); 
+    }
+    
+#if defined __CORTEX_M && (__CORTEX_M == 4U)
+    __DSB();
+#endif
+    
+    rt_interrupt_leave();
+}
+
+static IRQn_Type rt1052_get_irqnum(GPIO_Type *gpio, rt_uint32_t gpio_pin)
+{
+    IRQn_Type irq_num; 
+    
+    if(gpio == GPIO1)
+    {
+        if(gpio_pin <= 15)
+        {
+            irq_num = GPIO1_Combined_0_15_IRQn; 
+        }
+        else
+        {
+            irq_num = GPIO1_Combined_16_31_IRQn; 
+        }
+    }
+    else if(gpio == GPIO2)
+    {
+        if(gpio_pin <= 15)
+        {
+            irq_num = GPIO2_Combined_0_15_IRQn; 
+        }
+        else
+        {
+            irq_num = GPIO2_Combined_16_31_IRQn; 
+        }
+    }
+    else if(gpio == GPIO3)
+    {
+        if(gpio_pin <= 15)
+        {
+            irq_num = GPIO3_Combined_0_15_IRQn; 
+        }
+        else
+        {
+            irq_num = GPIO3_Combined_16_31_IRQn; 
+        }
+    }
+    else if(gpio == GPIO4)
+    {
+        if(gpio_pin <= 15)
+        {
+            irq_num = GPIO4_Combined_0_15_IRQn; 
+        }
+        else
+        {
+            irq_num = GPIO4_Combined_16_31_IRQn; 
+        }
+    }
+    else if(gpio == GPIO5)
+    {
+        if(gpio_pin <= 15)
+        {
+            irq_num = GPIO5_Combined_0_15_IRQn; 
+        }
+        else
+        {
+            irq_num = GPIO5_Combined_16_31_IRQn; 
+        }
+    }
+    
+    return irq_num; 
+}
+
 static void rt1052_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
 {
     gpio_pin_config_t gpio; 
@@ -193,15 +473,15 @@ static void rt1052_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
     {
         CLOCK_EnableClock(kCLOCK_Iomuxc); 
         
+        IOMUXC_SetPinMux(0x401F8010U + pin*4, 0x5U, 0, 0, 0, 0); 
     }
     else
     {
         CLOCK_EnableClock(kCLOCK_IomuxcSnvs); 
+        
+        IOMUXC_SetPinMux(0x401F8000U + (pin-125)*4, 0x5U, 0, 0, 0, 0); 
     }
     
-    /* ����IOMUXC: ��IO����ΪGPIO */ 
-    IOMUXC_SetPinMux(0x401F8010U + pin*4, 0x5U, 0, 0, 0, 0); 
-    
     gpio.outputLogic = 0; 
     gpio.interruptMode = kGPIO_NoIntmode; 
     
@@ -243,7 +523,6 @@ static void rt1052_pin_mode(rt_device_t dev, rt_base_t pin, rt_base_t mode)
         break;
     }
     
-    /* ����GPIOģʽ: ������ģʽ, ��©ģ, IO��ת�ٶ�(50MHz) */ 
     IOMUXC_SetPinConfig(0, 0, 0, 0, 0x401F8200U + pin*4, config_value); 
     
     GPIO_PinInit(rt1052_pin_map[pin].gpio, rt1052_pin_map[pin].gpio_pin, &gpio); 
@@ -259,17 +538,175 @@ static void rt1052_pin_write(rt_device_t dev, rt_base_t pin, rt_base_t value)
     GPIO_PinWrite(rt1052_pin_map[pin].gpio, rt1052_pin_map[pin].gpio_pin, value);
 }
 
-static struct rt_pin_ops rt1052_pin_ops = 
+static rt_err_t rt1052_pin_attach_irq(struct rt_device *device, rt_int32_t pin,
+    rt_uint32_t mode, void (*hdr)(void *args), void *args)
 {
-    .pin_mode  = rt1052_pin_mode, 
-    .pin_read  = rt1052_pin_read, 
-    .pin_write = rt1052_pin_write
-}; 
+    struct rt1052_pin* pin_map = RT_NULL; 
+    struct rt1052_irq* irq_map = RT_NULL; 
+    
+    pin_map = &rt1052_pin_map[pin]; 
+    irq_map = &rt1052_irq_map[rt1052_pin_map[pin].gpio_pin]; 
+    
+    if(pin_map == RT_NULL || irq_map == RT_NULL) 
+    {
+        return RT_ENOSYS; 
+    }
+    
+    if(irq_map->enable == PIN_IRQ_ENABLE)
+    {
+        return RT_EBUSY; 
+    }
+    
+    irq_map->irq_info.pin  = pin; 
+    irq_map->irq_info.hdr  = hdr; 
+    irq_map->irq_info.mode = mode; 
+    irq_map->irq_info.args = args; 
+    
+    return RT_EOK;
+}
+
+static rt_err_t rt1052_pin_dettach_irq(struct rt_device *device, rt_int32_t pin)
+{
+    struct rt1052_pin* pin_map = RT_NULL; 
+    struct rt1052_irq* irq_map = RT_NULL; 
+    
+    pin_map = &rt1052_pin_map[pin]; 
+    irq_map = &rt1052_irq_map[rt1052_pin_map[pin].gpio_pin]; 
+    
+    if(pin_map == RT_NULL || irq_map == RT_NULL) 
+    {
+        return RT_ENOSYS; 
+    }
+    
+    if(irq_map->enable == PIN_IRQ_DISABLE)
+    {
+        return RT_EOK; 
+    }
+    
+    irq_map->irq_info.pin  = PIN_IRQ_PIN_NONE; 
+    irq_map->irq_info.hdr  = RT_NULL; 
+    irq_map->irq_info.mode = PIN_IRQ_MODE_RISING; 
+    irq_map->irq_info.args = RT_NULL; 
+    
+    return RT_EOK;
+}
+
+static rt_err_t rt1052_pin_irq_enable(struct rt_device *device, rt_base_t pin, rt_uint32_t enabled)
+{
+    gpio_pin_config_t gpio; 
+    IRQn_Type irq_num;
+    
+    struct rt1052_pin* pin_map = RT_NULL; 
+    struct rt1052_irq* irq_map = RT_NULL; 
+    
+    pin_map = &rt1052_pin_map[pin]; 
+    irq_map = &rt1052_irq_map[rt1052_pin_map[pin].gpio_pin]; 
+    
+    if(pin_map == RT_NULL || irq_map == RT_NULL) 
+    {
+        return RT_ENOSYS; 
+    }
+    
+    if(enabled == PIN_IRQ_ENABLE) 
+    {
+        if(irq_map->enable == PIN_IRQ_ENABLE)
+        {
+            return RT_EBUSY; 
+        }
+        
+        if(irq_map->irq_info.pin != pin)
+        {
+            return RT_EIO; 
+        }
+        
+        irq_map->enable = PIN_IRQ_ENABLE; 
+        
+        if(rt1052_pin_map[pin].gpio != GPIO5)
+        {
+            CLOCK_EnableClock(kCLOCK_Iomuxc); 
+            IOMUXC_SetPinMux(0x401F8010U + pin*4, 0x5U, 0, 0, 0, 0); 
+        }
+        else
+        {
+            CLOCK_EnableClock(kCLOCK_IomuxcSnvs); 
+            IOMUXC_SetPinMux(0x401F8000U + (pin-125)*4, 0x5U, 0, 0, 0, 0); 
+        }
+        
+        gpio.direction     = kGPIO_DigitalInput; 
+        gpio.outputLogic   = 0; 
+        
+        switch(irq_map->irq_info.mode)
+        {
+            case PIN_IRQ_MODE_RISING:
+            {
+                gpio.interruptMode = kGPIO_IntRisingEdge; 
+            }
+            break;
+            
+            case PIN_IRQ_MODE_FALLING:
+            {
+                gpio.interruptMode = kGPIO_IntFallingEdge; 
+            }
+            break;
+            
+            case PIN_IRQ_MODE_RISING_FALLING:
+            {
+                gpio.interruptMode = kGPIO_IntRisingOrFallingEdge; 
+            }
+            break;
+            
+            case PIN_IRQ_MODE_HIGH_LEVEL:
+            {
+                gpio.interruptMode = kGPIO_IntHighLevel; 
+            }
+            break;
+            
+            case PIN_IRQ_MODE_LOW_LEVEL:
+            {
+                gpio.interruptMode = kGPIO_IntLowLevel; 
+            }
+            break;
+        }
+        
+        irq_num = rt1052_get_irqnum(rt1052_pin_map[pin].gpio, rt1052_pin_map[pin].gpio_pin); 
+        
+        NVIC_SetPriority(irq_num, NVIC_EncodePriority(NVIC_GetPriorityGrouping(), 5, 0));
+        EnableIRQ(irq_num);
+        
+        GPIO_PinInit(rt1052_pin_map[pin].gpio, rt1052_pin_map[pin].gpio_pin, &gpio); 
+        GPIO_PortEnableInterrupts(rt1052_pin_map[pin].gpio, 1U << rt1052_pin_map[pin].gpio_pin); 
+    }
+    else if(enabled == PIN_IRQ_DISABLE)
+    {
+        if(irq_map->enable == PIN_IRQ_DISABLE)
+        {
+            return RT_EOK; 
+        }
+        
+        irq_map->enable = PIN_IRQ_DISABLE;
+        irq_num = rt1052_get_irqnum(rt1052_pin_map[pin].gpio, rt1052_pin_map[pin].gpio_pin); 
+        
+        NVIC_DisableIRQ(irq_num);
+    }
+    else
+    {
+        return RT_EINVAL; 
+    }
+    
+    return RT_EOK;
+}
 
 int rt_hw_pin_init(void)
 {
     int ret = RT_EOK; 
     
+    rt1052_pin_ops.pin_mode        = rt1052_pin_mode; 
+    rt1052_pin_ops.pin_read        = rt1052_pin_read; 
+    rt1052_pin_ops.pin_write       = rt1052_pin_write; 
+    rt1052_pin_ops.pin_attach_irq  = rt1052_pin_attach_irq; 
+    rt1052_pin_ops.pin_dettach_irq = rt1052_pin_dettach_irq;
+    rt1052_pin_ops.pin_irq_enable  = rt1052_pin_irq_enable; 
+    
     ret = rt_device_pin_register("pin", &rt1052_pin_ops, RT_NULL);
     
     return ret;
diff --git a/bsp/imxrt1052-evk/drivers/drv_pin.h b/bsp/imxrt1052-evk/drivers/drv_pin.h
index f1de4fbea7..6c0574ec0f 100644
--- a/bsp/imxrt1052-evk/drivers/drv_pin.h
+++ b/bsp/imxrt1052-evk/drivers/drv_pin.h
@@ -10,6 +10,7 @@
  * Change Logs:
  * Date           Author       Notes
  * 2018-03-13     Liuguang     the first version. 
+ * 2018-03-19     Liuguang     add GPIO interrupt mode support.
  */
  
 #ifndef __DRV_PIN_H__
diff --git a/bsp/imxrt1052-evk/drivers/usart.c b/bsp/imxrt1052-evk/drivers/drv_uart.c
index 68c0f500ee..e4a303ef22 100644
--- a/bsp/imxrt1052-evk/drivers/usart.c
+++ b/bsp/imxrt1052-evk/drivers/drv_uart.c
@@ -1,5 +1,5 @@
 /*
- * File      : usart.c
+ * File      : drv_uart.c
  * This file is part of RT-Thread RTOS
  * COPYRIGHT (C) 2006-2013, RT-Thread Development Team
  *
@@ -10,24 +10,32 @@
  * Change Logs:
  * Date           Author       Notes
  * 2017-10-10     Tanek        the first version
+ * 2018-03-17     laiyiketang  Add other uart.
  */
 #include <rtthread.h>
-#include "usart.h"
+#include "drv_uart.h"
 
 #include "fsl_common.h"
 #include "fsl_lpuart.h"
 #include "fsl_iomuxc.h"
 
-#ifdef RT_USING_UART
+#ifdef RT_USING_SERIAL
 
-#if !defined(RT_USING_UART0) && !defined(RT_USING_UART1) && \
-    !defined(RT_USING_UART2) && !defined(RT_USING_UART3) && \
-    !defined(RT_USING_UART4) && !defined(RT_USING_UART5) && \
-    !defined(RT_USING_UART6) && !defined(RT_USING_UART7)
+/* GPIO����ʱ�ӻ���LPUART_Init���Զ�����, ������������º��򲻻��Զ����� */
+#if defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL
+#error "Please don't define 'FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL'!"
+#endif
+
+#if !defined(RT_USING_UART1) && !defined(RT_USING_UART2) && \
+    !defined(RT_USING_UART3) && !defined(RT_USING_UART4) && \
+    !defined(RT_USING_UART5) && !defined(RT_USING_UART6) && \
+    !defined(RT_USING_UART7) && !defined(RT_USING_UART8)
 #error "Please define at least one UARTx"
 
 #endif
 
+
+
 #include <rtdevice.h>
 
 /* imxrt uart driver */
@@ -55,7 +63,7 @@ void LPUART1_IRQHandler(void)
 #if defined(RT_USING_UART2)
 struct rt_serial_device serial2;
 
-void USART2_IRQHandler(void)
+void LPUART2_IRQHandler(void)
 {
     uart_isr(&serial2);
 }
@@ -65,7 +73,7 @@ void USART2_IRQHandler(void)
 #if defined(RT_USING_UART3)
 struct rt_serial_device serial3;
 
-void UART3_IRQHandler(void)
+void LPUART3_IRQHandler(void)
 {
     uart_isr(&serial3);
 }
@@ -75,7 +83,7 @@ void UART3_IRQHandler(void)
 #if defined(RT_USING_UART4)
 struct rt_serial_device serial4;
 
-void UART4_IRQHandler(void)
+void LPUART4_IRQHandler(void)
 {
     uart_isr(&serial4);
 }
@@ -84,7 +92,7 @@ void UART4_IRQHandler(void)
 #if defined(RT_USING_UART5)
 struct rt_serial_device serial5;
 
-void USART5_IRQHandler(void)
+void LPUART5_IRQHandler(void)
 {
     uart_isr(&serial5);
 }
@@ -94,7 +102,7 @@ void USART5_IRQHandler(void)
 #if defined(RT_USING_UART6)
 struct rt_serial_device serial6;
 
-void UART6_IRQHandler(void)
+void LPUART6_IRQHandler(void)
 {
     uart_isr(&serial6);
 }
@@ -104,7 +112,7 @@ void UART6_IRQHandler(void)
 #if defined(RT_USING_UART7)
 struct rt_serial_device serial7;
 
-void UART7_IRQHandler(void)
+void LPUART7_IRQHandler(void)
 {
     uart_isr(&serial7);
 }
@@ -114,7 +122,7 @@ void UART7_IRQHandler(void)
 #if defined(RT_USING_UART8)
 struct rt_serial_device serial8;
 
-void UART8_IRQHandler(void)
+void LPUART8_IRQHandler(void)
 {
     uart_isr(&serial8);
 }
@@ -122,14 +130,70 @@ void UART8_IRQHandler(void)
 #endif /* RT_USING_UART8 */
 
 static const struct imxrt_uart uarts[] = {
-    #ifdef RT_USING_UART1
+#ifdef RT_USING_UART1
     {
         LPUART1,
         LPUART1_IRQn,
         &serial1,
         "uart1",
     },
-    #endif
+#endif
+#ifdef RT_USING_UART2
+    {
+        LPUART2,
+        LPUART2_IRQn,
+        &serial2,
+        "uart2",
+    },
+#endif
+#ifdef RT_USING_UART3
+    {
+        LPUART3,
+        LPUART3_IRQn,
+        &serial3,
+        "uart3",
+    },
+#endif
+#ifdef RT_USING_UART4
+    {
+        LPUART4,
+        LPUART4_IRQn,
+        &serial4,
+        "uart4",
+    },
+#endif
+#ifdef RT_USING_UART5
+    {
+        LPUART5,
+        LPUART5_IRQn,
+        &serial5,
+        "uart5",
+    },
+#endif
+#ifdef RT_USING_UART6
+    {
+        LPUART6,
+        LPUART6_IRQn,
+        &serial6,
+        "uart6",
+    },
+#endif
+#ifdef RT_USING_UART7
+    {
+        LPUART7,
+        LPUART7_IRQn,
+        &serial7,
+        "uart7",
+    },
+#endif
+#ifdef RT_USING_UART8
+    {
+        LPUART8,
+        LPUART8_IRQn,
+        &serial8,
+        "uart8",
+    },
+#endif
 
 };
 
@@ -164,19 +228,20 @@ uint32_t BOARD_DebugConsoleSrcFreq(void)
 */
 void imxrt_uart_gpio_init(struct imxrt_uart *uart)
 {
-    if (uart->uart_base == LPUART1)
+    if (uart->uart_base != RT_NULL)
     {
-        CLOCK_EnableClock(kCLOCK_Iomuxc);          /* iomuxc clock (iomuxc_clk_enable): 0x03u */
+#ifdef RT_USING_UART1
+        CLOCK_EnableClock(kCLOCK_Iomuxc);           /* iomuxc clock (iomuxc_clk_enable): 0x03u */
 
         IOMUXC_SetPinMux(
-          IOMUXC_GPIO_AD_B0_12_LPUART1_TX,        /* GPIO_AD_B0_12 is configured as LPUART1_TX */
-          0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+            IOMUXC_GPIO_AD_B0_12_LPUART1_TX,        /* GPIO_AD_B0_12 is configured as LPUART1_TX */
+            0U);                                    /* Software Input On Field: Input Path is determined by functionality */
         IOMUXC_SetPinMux(
-          IOMUXC_GPIO_AD_B0_13_LPUART1_RX,        /* GPIO_AD_B0_13 is configured as LPUART1_RX */
-          0U);                                    /* Software Input On Field: Input Path is determined by functionality */
+            IOMUXC_GPIO_AD_B0_13_LPUART1_RX,        /* GPIO_AD_B0_13 is configured as LPUART1_RX */
+            0U);                                    /* Software Input On Field: Input Path is determined by functionality */
         IOMUXC_SetPinConfig(
-          IOMUXC_GPIO_AD_B0_12_LPUART1_TX,        /* GPIO_AD_B0_12 PAD functional properties : */
-          0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
+            IOMUXC_GPIO_AD_B0_12_LPUART1_TX,        /* GPIO_AD_B0_12 PAD functional properties : */
+            0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
                                                      Drive Strength Field: R0/6
                                                      Speed Field: medium(100MHz)
                                                      Open Drain Enable Field: Open Drain Disabled
@@ -185,8 +250,8 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
                                                      Pull Up / Down Config. Field: 100K Ohm Pull Down
                                                      Hyst. Enable Field: Hysteresis Disabled */
         IOMUXC_SetPinConfig(
-          IOMUXC_GPIO_AD_B0_13_LPUART1_RX,        /* GPIO_AD_B0_13 PAD functional properties : */
-          0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
+            IOMUXC_GPIO_AD_B0_13_LPUART1_RX,        /* GPIO_AD_B0_13 PAD functional properties : */
+            0x10B0u);                               /* Slew Rate Field: Slow Slew Rate
                                                      Drive Strength Field: R0/6
                                                      Speed Field: medium(100MHz)
                                                      Open Drain Enable Field: Open Drain Disabled
@@ -194,6 +259,128 @@ void imxrt_uart_gpio_init(struct imxrt_uart *uart)
                                                      Pull / Keep Select Field: Keeper
                                                      Pull Up / Down Config. Field: 100K Ohm Pull Down
                                                      Hyst. Enable Field: Hysteresis Disabled */
+#endif
+#ifdef RT_USING_UART2
+        CLOCK_EnableClock(kCLOCK_Iomuxc);
+
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_AD_B1_02_LPUART2_TX,
+            0U);
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_AD_B1_03_LPUART2_RX,
+            0U);
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_AD_B1_02_LPUART2_TX,
+            0x10B0u);
+
+
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_AD_B1_03_LPUART2_RX,
+            0x10B0u);
+
+#endif
+#ifdef RT_USING_UART3
+        CLOCK_EnableClock(kCLOCK_Iomuxc);
+
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_AD_B1_06_LPUART3_TX,
+            0U);
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_AD_B1_07_LPUART3_RX,
+            0U);
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_AD_B1_06_LPUART3_TX,
+            0x10B0u);
+
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_AD_B1_07_LPUART3_RX,
+            0x10B0u);
+#endif
+#ifdef RT_USING_UART4
+        CLOCK_EnableClock(kCLOCK_Iomuxc);
+
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_B1_00_LPUART4_TX,
+            0U);
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_B1_01_LPUART4_RX,
+            0U);
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_B1_00_LPUART4_TX,
+            0x10B0u);
+
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_B1_01_LPUART4_RX,
+            0x10B0u);
+#endif
+#ifdef RT_USING_UART5
+        CLOCK_EnableClock(kCLOCK_Iomuxc);
+
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_B1_12_LPUART5_TX,
+            0U);
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_B1_13_LPUART5_RX,
+            0U);
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_B1_12_LPUART5_TX,
+            0x10B0u);
+
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_B1_13_LPUART5_RX,
+            0x10B0u);
+#endif
+#ifdef RT_USING_UART6
+        CLOCK_EnableClock(kCLOCK_Iomuxc);
+
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_AD_B0_02_LPUART6_TX,
+            0U);
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_AD_B0_03_LPUART6_RX,
+            0U);
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_AD_B0_02_LPUART6_TX,
+            0x10B0u);
+
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_AD_B0_03_LPUART6_RX,
+            0x10B0u);
+#endif
+#ifdef RT_USING_UART7
+        CLOCK_EnableClock(kCLOCK_Iomuxc);
+
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_EMC_31_LPUART7_TX,
+            0U);
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_EMC_32_LPUART7_RX,
+            0U);
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_EMC_31_LPUART7_TX,
+            0x10B0u);
+
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_EMC_32_LPUART7_RX,
+            0x10B0u);
+#endif
+#ifdef RT_USING_UART8
+        CLOCK_EnableClock(kCLOCK_Iomuxc);
+
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_AD_B1_10_LPUART8_TX,
+            0U);
+        IOMUXC_SetPinMux(
+            IOMUXC_GPIO_AD_B1_11_LPUART8_RX,
+            0U);
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_AD_B1_10_LPUART8_TX,
+            0x10B0u);
+
+        IOMUXC_SetPinConfig(
+            IOMUXC_GPIO_AD_B1_11_LPUART8_RX,
+            0x10B0u);
+#endif
     }
     else
     {
@@ -324,10 +511,10 @@ static void uart_isr(struct rt_serial_device *serial)
     LPUART_Type *base;
 
     RT_ASSERT(serial != RT_NULL);
-    
+
     uart = (struct imxrt_uart *) serial->parent.user_data;
     RT_ASSERT(uart != RT_NULL);
-    
+
     base = uart->uart_base;
     RT_ASSERT(base != RT_NULL);
 
@@ -339,7 +526,7 @@ static void uart_isr(struct rt_serial_device *serial)
     {
         rt_hw_serial_isr(serial, RT_SERIAL_EVENT_RX_IND);
     }
-    
+
     /* If RX overrun. */
     if (LPUART_STAT_OR_MASK & base->STAT)
     {
@@ -363,7 +550,6 @@ int imxrt_hw_usart_init(void)
 {
     struct serial_configure config = RT_SERIAL_CONFIG_DEFAULT;
     int i;
-
     for (i = 0; i < sizeof(uarts) / sizeof(uarts[0]); i++)
     {
         uarts[i].serial->ops    = &imxrt_uart_ops;
@@ -380,4 +566,4 @@ int imxrt_hw_usart_init(void)
 }
 INIT_BOARD_EXPORT(imxrt_hw_usart_init);
 
-#endif /*RT_USING_UART*/
+#endif /*RT_USING_SERIAL */
diff --git a/bsp/imxrt1052-evk/drivers/usart.h b/bsp/imxrt1052-evk/drivers/drv_uart.h
index abd7631fee..f5d3842b46 100644
--- a/bsp/imxrt1052-evk/drivers/usart.h
+++ b/bsp/imxrt1052-evk/drivers/drv_uart.h
@@ -1,5 +1,5 @@
 /*
- * File      : usart.h
+ * File      : drv_uart.h
  * This file is part of RT-Thread RTOS
  * COPYRIGHT (C) 2009, RT-Thread Development Team
  *
@@ -9,11 +9,11 @@
  *
  * Change Logs:
  * Date           Author       Notes
- * 2013-11-15     bright       the first version
+ * 2017-10-10     Tanek        the first version
  */
 
-#ifndef __USART_H__
-#define __USART_H__
+#ifndef __DRV_USART_H__
+#define __DRV_USART_H__
 
 #include <rthw.h>
 #include <rtthread.h>
diff --git a/bsp/imxrt1052-evk/project.ewp b/bsp/imxrt1052-evk/project.ewp
index d3ff73d2a7..5443606ca3 100644
--- a/bsp/imxrt1052-evk/project.ewp
+++ b/bsp/imxrt1052-evk/project.ewp
@@ -1,2649 +1,2450 @@
-<?xml version="1.0" encoding="UTF-8"?>

-<project>

-    <fileVersion>3</fileVersion>

-    <configuration>

-        <name>Debug</name>

-        <toolchain>

-            <name>ARM</name>

-        </toolchain>

-        <debug>1</debug>

-        <settings>

-            <name>General</name>

-            <archiveVersion>3</archiveVersion>

-            <data>

-                <version>29</version>

-                <wantNonLocal>1</wantNonLocal>

-                <debug>1</debug>

-                <option>

-                    <name>ExePath</name>

-                    <state>Debug\Exe</state>

-                </option>

-                <option>

-                    <name>ObjPath</name>

-                    <state>Debug\Obj</state>

-                </option>

-                <option>

-                    <name>ListPath</name>

-                    <state>Debug\List</state>

-                </option>

-                <option>

-                    <name>GEndianMode</name>

-                    <state>0</state>

-                </option>

-                <option>

-                    <name>Input description</name>

-                    <state>Automatic choice of formatter.</state>

-                </option>

-                <option>

-                    <name>Output description</name>

-                    <state>Automatic choice of formatter.</state>

-                </option>

-                <option>

-                    <name>GOutputBinary</name>

-                    <state>0</state>

-                </option>

-                <option>

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+          <name>OGUseCmsisDspLib</name>
+          <state>0</state>
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+      <name>ICCARM</name>
+      <archiveVersion>2</archiveVersion>
+      <data>
+        <version>28</version>
+        <wantNonLocal>1</wantNonLocal>
+        <debug>0</debug>
+        <option>
+          <name>CCDefines</name>
+          <state>NDEBUG</state>
+          <state>FSL_FEATURE_PHYKSZ8081_USE_RMII50M_MODE</state>
+          <state>CPU_MIMXRT1052DVL6A</state>
+          <state>SKIP_SYSCLK_INIT</state>
+          <state>EVK_MCIMXRM</state>
+          <state>FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL=1</state>
+          <state>RT_USING_DLIBC</state>
+          <state>_DLIB_FILE_DESCRIPTOR</state>
+        </option>
+        <option>
+          <name>CCPreprocFile</name>
+          <state>0</state>
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+        <option>
+          <name>CCPreprocComments</name>
+          <state>0</state>
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+        <option>
+          <name>CCPreprocLine</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCListCFile</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCListCMnemonics</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCListCMessages</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCListAssFile</name>
+          <state>0</state>
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+        <option>
+          <name>CCListAssSource</name>
+          <state>0</state>
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+        <option>
+          <name>CCEnableRemarks</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCDiagSuppress</name>
+          <state />
+        </option>
+        <option>
+          <name>CCDiagRemark</name>
+          <state />
+        </option>
+        <option>
+          <name>CCDiagWarning</name>
+          <state />
+        </option>
+        <option>
+          <name>CCDiagError</name>
+          <state />
+        </option>
+        <option>
+          <name>CCObjPrefix</name>
+          <state>1</state>
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+        <option>
+          <name>CCAllowList</name>
+          <version>1</version>
+          <state>1111111</state>
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+        <option>
+          <name>CCDebugInfo</name>
+          <state>0</state>
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+        <option>
+          <name>IEndianMode</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IProcessor</name>
+          <state>1</state>
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+        <option>
+          <name>IExtraOptionsCheck</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IExtraOptions</name>
+          <state />
+        </option>
+        <option>
+          <name>CCLangConformance</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCSignedPlainChar</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>CCRequirePrototypes</name>
+          <state>0</state>
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+        <option>
+          <name>CCMultibyteSupport</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCDiagWarnAreErr</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCCompilerRuntimeInfo</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IFpuProcessor</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>OutputFile</name>
+          <state />
+        </option>
+        <option>
+          <name>CCLibConfigHeader</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>PreInclude</name>
+          <state />
+        </option>
+        <option>
+          <name>CompilerMisraOverride</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCIncludePath2</name>
+          <state />
+          <state>$PROJ_DIR$\..\..\components\libc\compilers\dlib</state>
+          <state>$PROJ_DIR$\Libraries</state>
+          <state>$PROJ_DIR$\..\..\include</state>
+          <state>$PROJ_DIR$\..\..\components\net\lwip-2.0.2\src\include\netif</state>
+          <state>$PROJ_DIR$\..\..\libcpu\arm\common</state>
+          <state>$PROJ_DIR$\..\..\components\drivers\include</state>
+          <state>$PROJ_DIR$\Libraries\drivers</state>
+          <state>$PROJ_DIR$\..\..\components\net\lwip-2.0.2\src\include</state>
+          <state>$PROJ_DIR$\..\..\components\net\lwip-2.0.2\src</state>
+          <state>$PROJ_DIR$\..\..\components\net\lwip-2.0.2\src\include\posix</state>
+          <state>$PROJ_DIR$\..\..\components\net\lwip-2.0.2\src\include\ipv4</state>
+          <state>$PROJ_DIR$\.</state>
+          <state>$PROJ_DIR$\..\..\libcpu\arm\cortex-m7</state>
+          <state>$PROJ_DIR$\..\..\components\dfs\include</state>
+          <state>$PROJ_DIR$\..\..\components\dfs\filesystems\devfs</state>
+          <state>$PROJ_DIR$\Libraries\CMSIS\Include</state>
+          <state>$PROJ_DIR$\Libraries\utilities</state>
+          <state>$PROJ_DIR$\applications</state>
+          <state>$PROJ_DIR$\..\..\components\finsh</state>
+          <state>$PROJ_DIR$\..\..\components\dfs\filesystems\elmfat</state>
+          <state>$PROJ_DIR$\drivers</state>
+          <state>$PROJ_DIR$\..\..\components\net\lwip-2.0.2\src\arch\include</state>
+        </option>
+        <option>
+          <name>CCStdIncCheck</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCCodeSection</name>
+          <state>.text</state>
+        </option>
+        <option>
+          <name>IInterwork2</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IProcessorMode2</name>
+          <state>1</state>
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+        <option>
+          <name>CCOptLevel</name>
+          <state>3</state>
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+        <option>
+          <name>CCOptStrategy</name>
+          <version>0</version>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCOptLevelSlave</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>CompilerMisraRules98</name>
+          <version>0</version>
+          <state>1000111110110101101110011100111111101110011011000101110111101101100111111111111100110011111001110111001111111111111111111111111</state>
+        </option>
+        <option>
+          <name>CompilerMisraRules04</name>
+          <version>0</version>
+          <state>111101110010111111111000110111111111111111111111111110010111101111010101111111111111111111111111101111111011111001111011111011111111111111111</state>
+        </option>
+        <option>
+          <name>CCPosIndRopi</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCPosIndRwpi</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CCPosIndNoDynInit</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IccLang</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IccCDialect</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IccAllowVLA</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IccCppDialect</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IccExceptions</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IccRTTI</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IccStaticDestr</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IccCppInlineSemantics</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IccCmsis</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IccFloatSemantics</name>
+          <state>0</state>
+        </option>
+      </data>
+    </settings>
+    <settings>
+      <name>AARM</name>
+      <archiveVersion>2</archiveVersion>
+      <data>
+        <version>8</version>
+        <wantNonLocal>1</wantNonLocal>
+        <debug>0</debug>
+        <option>
+          <name>AObjPrefix</name>
+          <state>1</state>
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+        <option>
+          <name>AEndian</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>ACaseSensitivity</name>
+          <state>1</state>
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+        <option>
+          <name>MacroChars</name>
+          <version>0</version>
+          <state>0</state>
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+        <option>
+          <name>AWarnEnable</name>
+          <state>0</state>
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+        <option>
+          <name>AWarnWhat</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>AWarnOne</name>
+          <state />
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+        <option>
+          <name>AWarnRange1</name>
+          <state />
+        </option>
+        <option>
+          <name>AWarnRange2</name>
+          <state />
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+        <option>
+          <name>ADebug</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>AltRegisterNames</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>ADefines</name>
+          <state />
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+        <option>
+          <name>AList</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>AListHeader</name>
+          <state>1</state>
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+        <option>
+          <name>AListing</name>
+          <state>1</state>
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+        <option>
+          <name>Includes</name>
+          <state>0</state>
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+        <option>
+          <name>MacDefs</name>
+          <state>0</state>
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+        <option>
+          <name>MacExps</name>
+          <state>1</state>
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+        <option>
+          <name>MacExec</name>
+          <state>0</state>
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+        <option>
+          <name>OnlyAssed</name>
+          <state>0</state>
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+        <option>
+          <name>MultiLine</name>
+          <state>0</state>
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+        <option>
+          <name>PageLengthCheck</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>PageLength</name>
+          <state>80</state>
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+        <option>
+          <name>TabSpacing</name>
+          <state>8</state>
+        </option>
+        <option>
+          <name>AXRef</name>
+          <state>0</state>
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+        <option>
+          <name>AXRefDefines</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>AXRefInternal</name>
+          <state>0</state>
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+        <option>
+          <name>AXRefDual</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>AProcessor</name>
+          <state>1</state>
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+        <option>
+          <name>AFpuProcessor</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>AOutputFile</name>
+          <state />
+        </option>
+        <option>
+          <name>AMultibyteSupport</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>ALimitErrorsCheck</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>ALimitErrorsEdit</name>
+          <state>100</state>
+        </option>
+        <option>
+          <name>AIgnoreStdInclude</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>AUserIncludes</name>
+          <state />
+        </option>
+        <option>
+          <name>AExtraOptionsCheckV2</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>AExtraOptionsV2</name>
+          <state />
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+      </data>
+    </settings>
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+      <name>OBJCOPY</name>
+      <archiveVersion>0</archiveVersion>
+      <data>
+        <version>1</version>
+        <wantNonLocal>1</wantNonLocal>
+        <debug>0</debug>
+        <option>
+          <name>OOCOutputFormat</name>
+          <version>2</version>
+          <state>0</state>
+        </option>
+        <option>
+          <name>OCOutputOverride</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>OOCOutputFile</name>
+          <state />
+        </option>
+        <option>
+          <name>OOCCommandLineProducer</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>OOCObjCopyEnable</name>
+          <state>0</state>
+        </option>
+      </data>
+    </settings>
+    <settings>
+      <name>CUSTOM</name>
+      <archiveVersion>3</archiveVersion>
+      <data>
+        <extensions />
+        <cmdline />
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+      <name>BICOMP</name>
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+      <name>BUILDACTION</name>
+      <archiveVersion>1</archiveVersion>
+      <data>
+        <prebuild />
+        <postbuild />
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+      <archiveVersion>0</archiveVersion>
+      <data>
+        <version>14</version>
+        <wantNonLocal>1</wantNonLocal>
+        <debug>0</debug>
+        <option>
+          <name>IlinkLibIOConfig</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>XLinkMisraHandler</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkInputFileSlave</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkOutputFile</name>
+          <state>###Unitialized###</state>
+        </option>
+        <option>
+          <name>IlinkDebugInfoEnable</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkKeepSymbols</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkRawBinaryFile</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkRawBinarySymbol</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkRawBinarySegment</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkRawBinaryAlign</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkDefines</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkConfigDefines</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkMapFile</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkLogFile</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkLogInitialization</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkLogModule</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkLogSection</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkLogVeneer</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkIcfOverride</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkIcfFile</name>
+          <state>lnk0t.icf</state>
+        </option>
+        <option>
+          <name>IlinkIcfFileSlave</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkEnableRemarks</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkSuppressDiags</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkTreatAsRem</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkTreatAsWarn</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkTreatAsErr</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkWarningsAreErrors</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkUseExtraOptions</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkExtraOptions</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkLowLevelInterfaceSlave</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkAutoLibEnable</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkAdditionalLibs</name>
+          <state />
+        </option>
+        <option>
+          <name>IlinkOverrideProgramEntryLabel</name>
+          <state>0</state>
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+        <option>
+          <name>IlinkProgramEntryLabelSelect</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkProgramEntryLabel</name>
+          <state />
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+        <option>
+          <name>DoFill</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>FillerByte</name>
+          <state>0xFF</state>
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+        <option>
+          <name>FillerStart</name>
+          <state>0x0</state>
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+        <option>
+          <name>FillerEnd</name>
+          <state>0x0</state>
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+        <option>
+          <name>CrcSize</name>
+          <version>0</version>
+          <state>1</state>
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+        <option>
+          <name>CrcAlign</name>
+          <state>1</state>
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+        <option>
+          <name>CrcAlgo</name>
+          <state>1</state>
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+        <option>
+          <name>CrcPoly</name>
+          <state>0x11021</state>
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+        <option>
+          <name>CrcCompl</name>
+          <version>0</version>
+          <state>0</state>
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+        <option>
+          <name>CrcBitOrder</name>
+          <version>0</version>
+          <state>0</state>
+        </option>
+        <option>
+          <name>CrcInitialValue</name>
+          <state>0x0</state>
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+        <option>
+          <name>DoCrc</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkBE8Slave</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkBufferedTerminalOutput</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkStdoutInterfaceSlave</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>CrcFullSize</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkIElfToolPostProcess</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkLogAutoLibSelect</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkLogRedirSymbols</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkLogUnusedFragments</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkCrcReverseByteOrder</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkCrcUseAsInput</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkOptInline</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkOptExceptionsAllow</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkOptExceptionsForce</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkCmsis</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkOptMergeDuplSections</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkOptUseVfe</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkOptForceVfe</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkStackAnalysisEnable</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IlinkStackControlFile</name>
+          <state>1</state>
+        </option>
+        <option>
+          <name>IlinkStackCallGraphFile</name>
+          <state>1</state>
+        </option>
+      </data>
+    </settings>
+    <settings>
+      <name>IARCHIVE</name>
+      <archiveVersion>0</archiveVersion>
+      <data>
+        <version>0</version>
+        <wantNonLocal>1</wantNonLocal>
+        <debug>0</debug>
+        <option>
+          <name>IarchiveInputs</name>
+          <state />
+        </option>
+        <option>
+          <name>IarchiveOverride</name>
+          <state>0</state>
+        </option>
+        <option>
+          <name>IarchiveOutput</name>
+          <state>###Unitialized###</state>
+        </option>
+      </data>
+    </settings>
+    <settings>
+      <name>BILINK</name>
+      <archiveVersion>0</archiveVersion>
+      <data />
+    </settings>
+  </configuration>
+  <group>
+    <name>Applications</name>
+    <file>
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+    </file>
+    <file>
+      <name>$PROJ_DIR$\..\..\components\net\lwip-2.0.2\src\core\ipv4\ip4_frag.c</name>
+    </file>
+  </group>
+</project>
diff --git a/bsp/imxrt1052-evk/project.uvprojx b/bsp/imxrt1052-evk/project.uvprojx
index 40d5d8b5d7..2c067820c8 100644
--- a/bsp/imxrt1052-evk/project.uvprojx
+++ b/bsp/imxrt1052-evk/project.uvprojx
@@ -333,7 +333,7 @@
               <MiscControls>--library_interface=armcc --library_type=standardlib --diag_suppress=66,1296,186</MiscControls>
               <Define>SKIP_SYSCLK_INIT, CPU_MIMXRT1052DVL6A, FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL=1, EVK_MCIMXRM, FSL_FEATURE_PHYKSZ8081_USE_RMII50M_MODE, RT_USING_ARM_LIBC</Define>
               <Undefine />
-              <IncludePath>applications;.;drivers;Libraries;Libraries\drivers;Libraries\utilities;Libraries\CMSIS\Include;..\..\include;..\..\libcpu\arm\cortex-m7;..\..\libcpu\arm\common;..\..\components\dfs\include;..\..\components\dfs\filesystems\devfs;..\..\components\dfs\filesystems\elmfat;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\finsh;..\..\components\libc\compilers\armlibc;..\..\components\net\lwip-2.0.2\src;..\..\components\net\lwip-2.0.2\src\include;..\..\components\net\lwip-2.0.2\src\include\ipv4;..\..\components\net\lwip-2.0.2\src\arch\include;..\..\components\net\lwip-2.0.2\src\include\netif;..\..\components\net\lwip-2.0.2\src\include\posix</IncludePath>
+              <IncludePath>applications;.;drivers;Libraries;Libraries\drivers;Libraries\utilities;Libraries\CMSIS\Include;..\..\include;..\..\libcpu\arm\cortex-m7;..\..\libcpu\arm\common;..\..\components\dfs\include;..\..\components\dfs\filesystems\devfs;..\..\components\dfs\filesystems\elmfat;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\drivers\include;..\..\components\finsh;..\..\components\libc\compilers\armlibc;..\..\components\net\lwip-2.0.2\src;..\..\components\net\lwip-2.0.2\src\include;..\..\components\net\lwip-2.0.2\src\include\ipv4;..\..\components\net\lwip-2.0.2\src\arch\include;..\..\components\net\lwip-2.0.2\src\include\netif;..\..\components\net\lwip-2.0.2\src\include\posix</IncludePath>
             </VariousControls>
           </Cads>
           <Aads>
@@ -416,9 +416,9 @@
           </Files>
           <Files>
             <File>
-              <FileName>usart.c</FileName>
+              <FileName>drv_uart.c</FileName>
               <FileType>1</FileType>
-              <FilePath>drivers\usart.c</FilePath>
+              <FilePath>drivers\drv_uart.c</FilePath>
             </File>
           </Files>
           <Files>
@@ -444,6 +444,13 @@
           </Files>
           <Files>
             <File>
+              <FileName>drv_hp_rtc.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>drivers\drv_hp_rtc.c</FilePath>
+            </File>
+          </Files>
+          <Files>
+            <File>
               <FileName>drv_eth.c</FileName>
               <FileType>1</FileType>
               <FilePath>drivers\drv_eth.c</FilePath>
@@ -1117,6 +1124,13 @@
           </Files>
           <Files>
             <File>
+              <FileName>rtc.c</FileName>
+              <FileType>1</FileType>
+              <FilePath>..\..\components\drivers\rtc\rtc.c</FilePath>
+            </File>
+          </Files>
+          <Files>
+            <File>
               <FileName>block_dev.c</FileName>
               <FileType>1</FileType>
               <FilePath>..\..\components\drivers\sdio\block_dev.c</FilePath>
diff --git a/bsp/imxrt1052-evk/rtconfig.h b/bsp/imxrt1052-evk/rtconfig.h
index b04305f7b9..664aeb5458 100644
--- a/bsp/imxrt1052-evk/rtconfig.h
+++ b/bsp/imxrt1052-evk/rtconfig.h
@@ -121,7 +121,9 @@
 #define RT_USING_PIN
 /* RT_USING_MTD_NOR is not set */
 /* RT_USING_MTD_NAND is not set */
-/* RT_USING_RTC is not set */
+#define RT_USING_RTC
+/* RT_USING_SOFT_RTC is not set */
+/* RTC_SYNC_USING_NTP is not set */
 #define RT_USING_SDIO
 /* RT_USING_SPI is not set */
 /* RT_USING_WDT is not set */
@@ -277,7 +279,7 @@
 /* PKG_USING_HELLO is not set */
 /* PKG_USING_MULTIBUTTON is not set */
 #define SOC_IMXRT1052
-#define RT_USING_UART
 #define RT_USING_UART1
+#define RT_USING_HP_RTC
 
 #endif
diff --git a/bsp/lpc824/rtconfig.h b/bsp/lpc824/rtconfig.h
index b51d38aa9a..1426427b8d 100644
--- a/bsp/lpc824/rtconfig.h
+++ b/bsp/lpc824/rtconfig.h
@@ -80,7 +80,7 @@
 // </c>
 // <c1>Using Mutex
 //  <i>Using Mutex
-//#define RT_USING_MUTEX
+#define RT_USING_MUTEX
 // </c>
 // <c1>Using Event
 //  <i>Using Event
diff --git a/bsp/tm4c129x/libraries/SConscript b/bsp/tm4c129x/libraries/SConscript
index 8b48a34c7d..d1ed0b9383 100644
--- a/bsp/tm4c129x/libraries/SConscript
+++ b/bsp/tm4c129x/libraries/SConscript
@@ -18,12 +18,6 @@ elif rtconfig.CROSS_TOOL == 'iar':
 CPPPATH = [cwd, cwd + '/inc', cwd + '/driverlib']
 
 CPPDEFINES = [rtconfig.PART_TYPE]
-if rtconfig.CROSS_TOOL == 'gcc':
-	CPPDEFINES += ['gcc'];
-	CPPDEFINES += ['uint_fast8_t=uint32_t'];
-	CPPDEFINES += ['uint_fast32_t=uint32_t'];
-	CPPDEFINES += ['int_fast8_t=int32_t'];
-	CPPDEFINES += ['uint_fast16_t=uint32_t'];
 group = DefineGroup('Libraries', src, depend = [''], CPPPATH = CPPPATH, CPPDEFINES = CPPDEFINES)
 
 Return('group')
diff --git a/components/dfs/filesystems/elmfat/dfs_elm.c b/components/dfs/filesystems/elmfat/dfs_elm.c
index b244ee5601..4c17911f96 100644
--- a/components/dfs/filesystems/elmfat/dfs_elm.c
+++ b/components/dfs/filesystems/elmfat/dfs_elm.c
@@ -214,7 +214,8 @@ int dfs_elm_mkfs(rt_device_t dev_id)
     int flag;
     FRESULT result;
     int index;
-
+    char logic_nbr[2] = {'0',':'};
+    
     work = rt_malloc(_MAX_SS);
     if(RT_NULL == work) {
         return -ENOMEM;
@@ -264,7 +265,8 @@ int dfs_elm_mkfs(rt_device_t dev_id)
              * on the disk, you will get a failure. so we need f_mount here,
              * just fill the FatFS[index] in elm fatfs to make mkfs work.
              */
-            f_mount(fat, "", (BYTE)index);
+            logic_nbr[0] = '0' + index;
+            f_mount(fat, logic_nbr, (BYTE)index);
         }
     }
 
@@ -273,14 +275,14 @@ int dfs_elm_mkfs(rt_device_t dev_id)
     /* [IN] Size of the allocation unit */
     /* [-]  Working buffer */
     /* [IN] Size of working buffer */
-    result = f_mkfs("", FM_ANY, 0, work, _MAX_SS);
+    result = f_mkfs(logic_nbr, FM_ANY, 0, work, _MAX_SS);
     rt_free(work); work = RT_NULL;
 
     /* check flag status, we need clear the temp driver stored in disk[] */
     if (flag == FSM_STATUS_USE_TEMP_DRIVER)
     {
         rt_free(fat);
-        f_mount(RT_NULL, "",(BYTE)index);
+        f_mount(RT_NULL, logic_nbr,(BYTE)index);
         disk[index] = RT_NULL;
         /* close device */
         rt_device_close(dev_id);
diff --git a/components/drivers/include/drivers/usb_device.h b/components/drivers/include/drivers/usb_device.h
index 48f407cc3d..caa171079b 100644
--- a/components/drivers/include/drivers/usb_device.h
+++ b/components/drivers/include/drivers/usb_device.h
@@ -140,6 +140,7 @@ struct udcd
     struct uendpoint ep0;
     uep0_stage_t stage;
     struct ep_id* ep_pool;
+    rt_uint8_t device_is_hs;
 };
 typedef struct udcd* udcd_t;
 
diff --git a/components/drivers/usb/usbdevice/class/cdc_vcom.c b/components/drivers/usb/usbdevice/class/cdc_vcom.c
index b8728beac5..c4985f04a2 100644
--- a/components/drivers/usb/usbdevice/class/cdc_vcom.c
+++ b/components/drivers/usb/usbdevice/class/cdc_vcom.c
@@ -114,15 +114,17 @@ static struct udevice_descriptor dev_desc =
     USB_DYNAMIC,                //bNumConfigurations;
 };
 
+//FS and HS needed
 static struct usb_qualifier_descriptor dev_qualifier =
 {
-    sizeof(dev_qualifier),
-    USB_DESC_TYPE_DEVICEQUALIFIER,
-    0x0200,
-    USB_CLASS_CDC,
-    0x00,
-    64,
-    0x01,
+    sizeof(dev_qualifier),          //bLength
+    USB_DESC_TYPE_DEVICEQUALIFIER,  //bDescriptorType
+    0x0200,                         //bcdUSB
+    USB_CLASS_CDC,                  //bDeviceClass
+    0x00,                           //bDeviceSubClass
+    0x00,                           //bDeviceProtocol
+    64,                             //bMaxPacketSize0
+    0x01,                           //bNumConfigurations
     0,
 };
 
@@ -566,7 +568,8 @@ ufunction_t rt_usbd_function_cdc_create(udevice_t device)
     
     /* create a cdc function */
     func = rt_usbd_function_new(device, &dev_desc, &ops);
-    rt_usbd_device_set_qualifier(device, &dev_qualifier);
+    //not support HS
+    //rt_usbd_device_set_qualifier(device, &dev_qualifier);
     
     /* allocate memory for cdc vcom data */
     data = (struct vcom*)rt_malloc(sizeof(struct vcom));
diff --git a/components/drivers/usb/usbdevice/class/ecm.c b/components/drivers/usb/usbdevice/class/ecm.c
index 4a45bc0939..0e38356dda 100644
--- a/components/drivers/usb/usbdevice/class/ecm.c
+++ b/components/drivers/usb/usbdevice/class/ecm.c
@@ -41,7 +41,7 @@ struct rt_ecm_eth
     rt_uint8_t              dev_addr[MAX_ADDR_LEN];
 
     ALIGN(4)
-    rt_uint8_t              rx_pool[64];
+    rt_uint8_t              rx_pool[512];
     ALIGN(4)
     rt_size_t               rx_size;
     ALIGN(4)
@@ -147,14 +147,14 @@ const static struct ucdc_data_descriptor _data_desc =
     USB_DESC_TYPE_ENDPOINT,
     USB_DIR_OUT | USB_DYNAMIC,
     USB_EP_ATTR_BULK,
-    USB_CDC_BUFSIZE,
+    USB_DYNAMIC,
     0x00,
     /* endpoint, bulk in */
     USB_DESC_LENGTH_ENDPOINT,
     USB_DESC_TYPE_ENDPOINT,
     USB_DYNAMIC | USB_DIR_IN,
     USB_EP_ATTR_BULK,
-    USB_CDC_BUFSIZE,
+    USB_DYNAMIC,
     0x00,
 };
 
@@ -170,17 +170,20 @@ const static char* _ustring[] =
 };
 
 ALIGN(4)
+//FS and HS needed
 static struct usb_qualifier_descriptor dev_qualifier =
 {
-    sizeof(dev_qualifier),
-    USB_DESC_TYPE_DEVICEQUALIFIER,
-    0x0200,
-    USB_CLASS_CDC,
-    0x00,
-    64,
-    0x01,
+    sizeof(dev_qualifier),          //bLength
+    USB_DESC_TYPE_DEVICEQUALIFIER,  //bDescriptorType
+    0x0200,                         //bcdUSB
+    USB_CLASS_CDC,                  //bDeviceClass
+    USB_CDC_SUBCLASS_ETH,           //bDeviceSubClass
+    USB_CDC_PROTOCOL_NONE,          //bDeviceProtocol
+    64,                             //bMaxPacketSize0
+    0x01,                           //bNumConfigurations
     0,
 };
+
 static rt_err_t _cdc_send_notifi(ufunction_t func,ucdc_notification_code_t notifi,rt_uint16_t wValue,rt_uint16_t wLength)
 {
     static struct ucdc_management_element_notifications _notifi;
@@ -472,7 +475,7 @@ static struct ufunction_ops ops =
  *
  * @return RT_EOK on successful.
  */
-static rt_err_t _cdc_descriptor_config(ucdc_comm_desc_t comm, rt_uint8_t cintf_nr, ucdc_data_desc_t data, rt_uint8_t dintf_nr)
+static rt_err_t _cdc_descriptor_config(ucdc_comm_desc_t comm, rt_uint8_t cintf_nr, ucdc_data_desc_t data, rt_uint8_t dintf_nr, rt_uint8_t device_is_hs)
 {
     comm->call_mgmt_desc.data_interface = dintf_nr;
     comm->union_desc.master_interface = cintf_nr;
@@ -480,7 +483,8 @@ static rt_err_t _cdc_descriptor_config(ucdc_comm_desc_t comm, rt_uint8_t cintf_n
 #ifdef RT_USB_DEVICE_COMPOSITE
     comm->iad_desc.bFirstInterface = cintf_nr;
 #endif
-
+    data->ep_out_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
+    data->ep_in_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
     return RT_EOK;
 }
 
@@ -532,7 +536,7 @@ ufunction_t rt_usbd_function_ecm_create(udevice_t device)
                                          (rt_off_t)&((ucdc_eth_desc_t)0)->intf_desc);
     rt_usbd_altsetting_config_descriptor(data_setting, &_data_desc, 0);
     /* configure the cdc interface descriptor */
-    _cdc_descriptor_config(comm_setting->desc, intf_comm->intf_num, data_setting->desc, intf_data->intf_num);
+    _cdc_descriptor_config(comm_setting->desc, intf_comm->intf_num, data_setting->desc, intf_data->intf_num, device->dcd->device_is_hs);
 
     /* create a command endpoint */
     comm_desc = (ucdc_eth_desc_t)comm_setting->desc;
diff --git a/components/drivers/usb/usbdevice/class/hid.c b/components/drivers/usb/usbdevice/class/hid.c
index 0b44456b8f..b752564974 100644
--- a/components/drivers/usb/usbdevice/class/hid.c
+++ b/components/drivers/usb/usbdevice/class/hid.c
@@ -227,18 +227,21 @@ static struct udevice_descriptor _dev_desc =
     USB_DYNAMIC,                //bNumConfigurations;
 };
 
-static struct usb_qualifier_descriptor _dev_qualifier =
+//FS and HS needed
+static struct usb_qualifier_descriptor dev_qualifier =
 {
-    sizeof(_dev_qualifier),
-    USB_DESC_TYPE_DEVICEQUALIFIER,
-    0x0200,
-    USB_CLASS_HID,
-    0x00,
-    64,
-    0x01,
+    sizeof(dev_qualifier),          //bLength
+    USB_DESC_TYPE_DEVICEQUALIFIER,  //bDescriptorType
+    0x0200,                         //bcdUSB
+    USB_CLASS_MASS_STORAGE,         //bDeviceClass
+    0x06,                           //bDeviceSubClass
+    0x50,                           //bDeviceProtocol
+    64,                             //bMaxPacketSize0
+    0x01,                           //bNumConfigurations
     0,
 };
 
+
 /* hid interface descriptor */
 const static struct uhid_comm_descriptor _hid_comm_desc =
 {
@@ -631,7 +634,8 @@ ufunction_t rt_usbd_function_hid_create(udevice_t device)
 
     /* create a cdc function */
     func = rt_usbd_function_new(device, &_dev_desc, &ops);
-    rt_usbd_device_set_qualifier(device, &_dev_qualifier);
+    //not support hs
+    //rt_usbd_device_set_qualifier(device, &_dev_qualifier);
 
     /* allocate memory for cdc vcom data */
     data = (struct hid_s*)rt_malloc(sizeof(struct hid_s));
diff --git a/components/drivers/usb/usbdevice/class/mstorage.c b/components/drivers/usb/usbdevice/class/mstorage.c
index d4caf44166..14284e85a2 100644
--- a/components/drivers/usb/usbdevice/class/mstorage.c
+++ b/components/drivers/usb/usbdevice/class/mstorage.c
@@ -88,8 +88,8 @@ static struct udevice_descriptor dev_desc =
     USB_DESC_TYPE_DEVICE,       //type;
     USB_BCD_VERSION,            //bcdUSB;
     USB_CLASS_MASS_STORAGE,     //bDeviceClass;
-    0x00,                       //bDeviceSubClass;
-    0x00,                       //bDeviceProtocol;
+    0x06,                       //bDeviceSubClass;
+    0x50,                       //bDeviceProtocol;
     0x40,                       //bMaxPacketSize0;
     _VENDOR_ID,                 //idVendor;
     _PRODUCT_ID,                //idProduct;
@@ -100,15 +100,17 @@ static struct udevice_descriptor dev_desc =
     USB_DYNAMIC,                //bNumConfigurations;
 };
 
+//FS and HS needed
 static struct usb_qualifier_descriptor dev_qualifier =
 {
-    sizeof(dev_qualifier),
-    USB_DESC_TYPE_DEVICEQUALIFIER,
-    0x0200,
-    USB_CLASS_MASS_STORAGE,
-    0x00,
-    64,
-    0x01,
+    sizeof(dev_qualifier),          //bLength
+    USB_DESC_TYPE_DEVICEQUALIFIER,  //bDescriptorType
+    0x0200,                         //bcdUSB
+    USB_CLASS_MASS_STORAGE,         //bDeviceClass
+    0x06,                           //bDeviceSubClass
+    0x50,                           //bDeviceProtocol
+    64,                             //bMaxPacketSize0
+    0x01,                           //bNumConfigurations
     0,
 };
 
@@ -141,14 +143,14 @@ const static struct umass_descriptor _mass_desc =
     USB_DESC_TYPE_ENDPOINT,     //type;
     USB_DYNAMIC | USB_DIR_OUT,  //bEndpointAddress;
     USB_EP_ATTR_BULK,           //bmAttributes;
-    0x40,                       //wMaxPacketSize;
+    USB_DYNAMIC,                //wMaxPacketSize;
     0x00,                       //bInterval;
 
     USB_DESC_LENGTH_ENDPOINT,   //bLength;
     USB_DESC_TYPE_ENDPOINT,     //type;
     USB_DYNAMIC | USB_DIR_IN,   //bEndpointAddress;
     USB_EP_ATTR_BULK,           //bmAttributes;
-    0x40,                       //wMaxPacketSize;
+    USB_DYNAMIC,                //wMaxPacketSize;
     0x00,                       //bInterval;
 };
 
@@ -1043,11 +1045,13 @@ static struct ufunction_ops ops =
     _function_disable,
     RT_NULL,
 };
-static rt_err_t _mstorage_descriptor_config(umass_desc_t desc, rt_uint8_t cintf_nr)
+static rt_err_t _mstorage_descriptor_config(umass_desc_t desc, rt_uint8_t cintf_nr, rt_uint8_t device_is_hs)
 {
 #ifdef RT_USB_DEVICE_COMPOSITE
     desc->iad_desc.bFirstInterface = cintf_nr;
 #endif
+    desc->ep_out_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
+    desc->ep_in_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
     return RT_EOK;
 }
 /**
@@ -1090,7 +1094,7 @@ ufunction_t rt_usbd_function_mstorage_create(udevice_t device)
     rt_usbd_altsetting_config_descriptor(setting, &_mass_desc, (rt_off_t)&((umass_desc_t)0)->intf_desc);
 
     /* configure the msc interface descriptor */
-    _mstorage_descriptor_config(setting->desc, intf->intf_num);
+    _mstorage_descriptor_config(setting->desc, intf->intf_num, device->dcd->device_is_hs);
 
     /* create a bulk out and a bulk in endpoint */
     mass_desc = (umass_desc_t)setting->desc;
diff --git a/components/drivers/usb/usbdevice/class/rndis.c b/components/drivers/usb/usbdevice/class/rndis.c
index a7f36dccb6..670c7686b4 100644
--- a/components/drivers/usb/usbdevice/class/rndis.c
+++ b/components/drivers/usb/usbdevice/class/rndis.c
@@ -58,9 +58,9 @@ struct rt_rndis_eth
 #endif /* RNDIS_DELAY_LINK_UP */
 
     ALIGN(4)
-    rt_uint8_t rx_pool[64];
+    rt_uint8_t rx_pool[512];
     ALIGN(4)
-    rt_uint8_t tx_pool[64];
+    rt_uint8_t tx_pool[512];
 
     rt_uint32_t cmd_pool[2];
     ALIGN(4)
@@ -175,14 +175,14 @@ const static struct ucdc_data_descriptor _data_desc =
     USB_DESC_TYPE_ENDPOINT,
     USB_DIR_OUT | USB_DYNAMIC,
     USB_EP_ATTR_BULK,
-    USB_CDC_BUFSIZE,
+    USB_DYNAMIC,
     0x00,
     /* endpoint, bulk in */
     USB_DESC_LENGTH_ENDPOINT,
     USB_DESC_TYPE_ENDPOINT,
     USB_DYNAMIC | USB_DIR_IN,
     USB_EP_ATTR_BULK,
-    USB_CDC_BUFSIZE,
+    USB_DYNAMIC,
     0x00,
 };
 
@@ -206,16 +206,17 @@ struct usb_os_function_comp_id_descriptor rndis_func_comp_id_desc =
     .subCompatibleID    = {'5', '1', '6', '2', '0', '0', '1', 0x00},
     .reserved2          = {0x00, 0x00, 0x00, 0x00, 0x00, 0x00}
 };
-ALIGN(4)
+//FS and HS needed
 static struct usb_qualifier_descriptor dev_qualifier =
 {
-    sizeof(dev_qualifier),
-    USB_DESC_TYPE_DEVICEQUALIFIER,
-    0x0200,
-    USB_CLASS_CDC,
-    0x00,
-    64,
-    0x01,
+    sizeof(dev_qualifier),          //bLength
+    USB_DESC_TYPE_DEVICEQUALIFIER,  //bDescriptorType
+    0x0200,                         //bcdUSB
+    USB_CLASS_CDC,                  //bDeviceClass
+    USB_CDC_SUBCLASS_ACM,           //bDeviceSubClass
+    USB_CDC_PROTOCOL_VENDOR,        //bDeviceProtocol
+    64,                             //bMaxPacketSize0
+    0x01,                           //bNumConfigurations
     0,
 };
 
@@ -401,7 +402,7 @@ static rt_err_t _rndis_query_response(ufunction_t func,rndis_query_msg_t msg)
     case OID_GEN_LINK_SPEED:
         resp = _create_resp(4);
         if(resp == RT_NULL) break;
-        _set_resp(resp, (10UL * 1000 * 1000) / 100);
+        _set_resp(resp, func->device->dcd->device_is_hs ? (480UL * 1000 *1000) : (12UL * 1000 * 1000) / 100);
         break;
 
     case OID_GEN_MEDIA_CONNECT_STATUS:
@@ -1008,7 +1009,7 @@ static struct ufunction_ops ops =
  *
  * @return RT_EOK on successful.
  */
-static rt_err_t _cdc_descriptor_config(ucdc_comm_desc_t comm, rt_uint8_t cintf_nr, ucdc_data_desc_t data, rt_uint8_t dintf_nr)
+static rt_err_t _cdc_descriptor_config(ucdc_comm_desc_t comm, rt_uint8_t cintf_nr, ucdc_data_desc_t data, rt_uint8_t dintf_nr, rt_uint8_t device_is_hs)
 {
     comm->call_mgmt_desc.data_interface = dintf_nr;
     comm->union_desc.master_interface = cintf_nr;
@@ -1016,7 +1017,8 @@ static rt_err_t _cdc_descriptor_config(ucdc_comm_desc_t comm, rt_uint8_t cintf_n
 #ifdef RT_USB_DEVICE_COMPOSITE
     comm->iad_desc.bFirstInterface = cintf_nr;
 #endif
-
+    data->ep_out_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
+    data->ep_in_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
     return RT_EOK;
 }
 
@@ -1237,7 +1239,7 @@ ufunction_t rt_usbd_function_rndis_create(udevice_t device)
                                          (rt_off_t)&((ucdc_comm_desc_t)0)->intf_desc);
     rt_usbd_altsetting_config_descriptor(data_setting, &_data_desc, 0);
     /* configure the cdc interface descriptor */
-    _cdc_descriptor_config(comm_setting->desc, intf_comm->intf_num, data_setting->desc, intf_data->intf_num);
+    _cdc_descriptor_config(comm_setting->desc, intf_comm->intf_num, data_setting->desc, intf_data->intf_num, device->dcd->device_is_hs);
 
     /* create a command endpoint */
     comm_desc = (ucdc_comm_desc_t)comm_setting->desc;
diff --git a/components/drivers/usb/usbdevice/class/winusb.c b/components/drivers/usb/usbdevice/class/winusb.c
index 93a3a08e8b..82ac602c85 100644
--- a/components/drivers/usb/usbdevice/class/winusb.c
+++ b/components/drivers/usb/usbdevice/class/winusb.c
@@ -43,13 +43,14 @@ static struct udevice_descriptor dev_desc =
 //FS and HS needed
 static struct usb_qualifier_descriptor dev_qualifier =
 {
-    sizeof(dev_qualifier),
-    USB_DESC_TYPE_DEVICEQUALIFIER,
-    0x0200,
-    0x00,
-    0x00,
-    64,
-    0x01,
+    sizeof(dev_qualifier),          //bLength
+    USB_DESC_TYPE_DEVICEQUALIFIER,  //bDescriptorType
+    0x0200,                         //bcdUSB
+    0xFF,                           //bDeviceClass
+    0x00,                           //bDeviceSubClass
+    0x00,                           //bDeviceProtocol
+    64,                             //bMaxPacketSize0
+    0x01,                           //bNumConfigurations
     0,
 };
 
@@ -81,14 +82,14 @@ struct winusb_descriptor _winusb_desc =
     USB_DESC_TYPE_ENDPOINT,
     USB_DYNAMIC | USB_DIR_OUT,
     USB_EP_ATTR_BULK,
-    0x40,
+    USB_DYNAMIC,
     0x00,
     /*endpoint descriptor*/
     USB_DESC_LENGTH_ENDPOINT,
     USB_DESC_TYPE_ENDPOINT,
     USB_DYNAMIC | USB_DIR_IN,
     USB_EP_ATTR_BULK,
-    0x40,
+    USB_DYNAMIC,
     0x00,
 };
 
@@ -197,11 +198,13 @@ static struct ufunction_ops ops =
     RT_NULL,
 };
 
-static rt_err_t _winusb_descriptor_config(winusb_desc_t winusb, rt_uint8_t cintf_nr)
+static rt_err_t _winusb_descriptor_config(winusb_desc_t winusb, rt_uint8_t cintf_nr, rt_uint8_t device_is_hs)
 {
 #ifdef RT_USB_DEVICE_COMPOSITE
     winusb->iad_desc.bFirstInterface = cintf_nr;
 #endif
+    winusb->ep_out_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
+    winusb->ep_in_desc.wMaxPacketSize = device_is_hs ? 512 : 64;
     winusb_func_comp_id_desc.bFirstInterfaceNumber = cintf_nr;
     return RT_EOK;
 }
@@ -293,7 +296,7 @@ ufunction_t rt_usbd_function_winusb_create(udevice_t device)
     rt_usbd_altsetting_config_descriptor(winusb_setting, &_winusb_desc, (rt_off_t)&((winusb_desc_t)0)->intf_desc);
 
     /* configure the hid interface descriptor */
-    _winusb_descriptor_config(winusb_setting->desc, winusb_intf->intf_num);
+    _winusb_descriptor_config(winusb_setting->desc, winusb_intf->intf_num, device->dcd->device_is_hs);
 
     /* create endpoint */
     winusb_desc = (winusb_desc_t)winusb_setting->desc;
diff --git a/components/drivers/usb/usbdevice/core/core.c b/components/drivers/usb/usbdevice/core/core.c
index 57111b6f4a..c8cd362bef 100644
--- a/components/drivers/usb/usbdevice/core/core.c
+++ b/components/drivers/usb/usbdevice/core/core.c
@@ -166,7 +166,7 @@ static rt_err_t _get_qualifier_descriptor(struct udevice* device, ureq_t setup)
     RT_ASSERT(device != RT_NULL);
     RT_ASSERT(setup != RT_NULL);
 
-    if(device->dev_qualifier)
+    if(device->dev_qualifier && device->dcd->device_is_hs)
     {
         /* send device qualifier descriptor to endpoint 0 */
         rt_usbd_ep0_write(device, (rt_uint8_t*)device->dev_qualifier,
@@ -210,6 +210,9 @@ static rt_err_t _get_descriptor(struct udevice* device, ureq_t setup)
         case USB_DESC_TYPE_DEVICEQUALIFIER:
             _get_qualifier_descriptor(device, setup);
             break;
+        case USB_DESC_TYPE_OTHERSPEED:
+            _get_config_descriptor(device, setup);
+            break;
         default:
             rt_kprintf("unsupported descriptor request\n");
             rt_usbd_ep0_set_stall(device);
diff --git a/components/drivers/usb/usbdevice/core/usbdevice.c b/components/drivers/usb/usbdevice/core/usbdevice.c
index 10ffac8ad0..453084990b 100644
--- a/components/drivers/usb/usbdevice/core/usbdevice.c
+++ b/components/drivers/usb/usbdevice/core/usbdevice.c
@@ -59,6 +59,20 @@ static struct udevice_descriptor compsit_desc =
     USB_STRING_SERIAL_INDEX,    //iSerialNumber;
     USB_DYNAMIC,                //bNumConfigurations;
 };
+
+//FS and HS needed
+static struct usb_qualifier_descriptor dev_qualifier =
+{
+    sizeof(dev_qualifier),          //bLength
+    USB_DESC_TYPE_DEVICEQUALIFIER,  //bDescriptorType
+    0x0200,                         //bcdUSB
+    USB_CLASS_MISC,                 //bDeviceClass
+    0x02,                           //bDeviceSubClass
+    0x01,                           //bDeviceProtocol
+    64,                             //bMaxPacketSize0
+    0x01,                           //bNumConfigurations
+    0,
+};
 #endif
 
 struct usb_os_comp_id_descriptor usb_comp_id_desc = 
@@ -169,6 +183,7 @@ rt_err_t rt_usb_device_init(void)
 #ifdef RT_USB_DEVICE_COMPOSITE
     rt_usbd_device_set_descriptor(udevice, &compsit_desc);
     rt_usbd_device_set_string(udevice, ustring);
+    rt_usbd_device_set_qualifier(device, &dev_qualifier);
 #else
     rt_usbd_device_set_descriptor(udevice, func->dev_desc);
 #endif
diff --git a/components/libc/compilers/dlib/fcntl.h b/components/libc/compilers/dlib/fcntl.h
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/components/libc/compilers/dlib/fcntl.h
diff --git a/components/libc/compilers/dlib/sys/stat.h b/components/libc/compilers/dlib/sys/stat.h
new file mode 100644
index 0000000000..e69de29bb2
--- /dev/null
+++ b/components/libc/compilers/dlib/sys/stat.h
diff --git a/components/libc/compilers/dlib/sys/unistd.h b/components/libc/compilers/dlib/sys/unistd.h
index 06a46746c0..dbe4f3010d 100644
--- a/components/libc/compilers/dlib/sys/unistd.h
+++ b/components/libc/compilers/dlib/sys/unistd.h
@@ -2,6 +2,11 @@
 #define _SYS_UNISTD_H
 
 #ifdef RT_USING_DFS
+
+#define STDIN_FILENO    0       /* standard input file descriptor */
+#define STDOUT_FILENO   1       /* standard output file descriptor */
+#define STDERR_FILENO   2       /* standard error file descriptor */
+
 #include <dfs_posix.h>
 #else
 #define	_FREAD		0x0001	/* read enabled */
diff --git a/components/libc/compilers/minilibc/stdint.h b/components/libc/compilers/minilibc/stdint.h
index 8733d60a03..c865d43435 100644
--- a/components/libc/compilers/minilibc/stdint.h
+++ b/components/libc/compilers/minilibc/stdint.h
@@ -1,18 +1,75 @@
+/*
+ * ISO C Standard:  7.18  Integer types  <stdint.h>
+ */
+
 #ifndef __STDINT_H__
 #define __STDINT_H__
 
-typedef signed char  int8_t;
-typedef signed short int16_t;
-typedef signed int   int32_t;
+/* 7.8.1.1 Exact-width integer types */
+
+#ifdef __INT8_TYPE__
+typedef __INT8_TYPE__ int8_t;
+#endif
+#ifdef __INT16_TYPE__
+typedef __INT16_TYPE__ int16_t;
+#endif
+#ifdef __INT32_TYPE__
+typedef __INT32_TYPE__ int32_t;
+#endif
+#ifdef __INT64_TYPE__
+typedef __INT64_TYPE__ int64_t;
+#endif
+#ifdef __UINT8_TYPE__
+typedef __UINT8_TYPE__ uint8_t;
+#endif
+#ifdef __UINT16_TYPE__
+typedef __UINT16_TYPE__ uint16_t;
+#endif
+#ifdef __UINT32_TYPE__
+typedef __UINT32_TYPE__ uint32_t;
+#endif
+#ifdef __UINT64_TYPE__
+typedef __UINT64_TYPE__ uint64_t;
+#endif
 
-typedef unsigned char  uint8_t;
-typedef unsigned short uint16_t;
-typedef unsigned int   uint32_t;
+/* 7.8.1.2 Minimum-width integer types */
 
-typedef long long		int64_t;
-typedef unsigned long long uint64_t;
-typedef signed long     intptr_t;
-typedef unsigned long   uintptr_t;
+typedef __INT_LEAST8_TYPE__ int_least8_t;
+typedef __INT_LEAST16_TYPE__ int_least16_t;
+typedef __INT_LEAST32_TYPE__ int_least32_t;
+typedef __INT_LEAST64_TYPE__ int_least64_t;
+typedef __UINT_LEAST8_TYPE__ uint_least8_t;
+typedef __UINT_LEAST16_TYPE__ uint_least16_t;
+typedef __UINT_LEAST32_TYPE__ uint_least32_t;
+typedef __UINT_LEAST64_TYPE__ uint_least64_t;
+
+/* 7.8.1.3 Fastest minimum-width integer types */
+
+typedef __INT_FAST8_TYPE__ int_fast8_t;
+typedef __INT_FAST16_TYPE__ int_fast16_t;
+typedef __INT_FAST32_TYPE__ int_fast32_t;
+typedef __INT_FAST64_TYPE__ int_fast64_t;
+typedef __UINT_FAST8_TYPE__ uint_fast8_t;
+typedef __UINT_FAST16_TYPE__ uint_fast16_t;
+typedef __UINT_FAST32_TYPE__ uint_fast32_t;
+typedef __UINT_FAST64_TYPE__ uint_fast64_t;
+
+/* 7.8.1.4 Integer types capable of holding object pointers */
+
+#ifdef __INTPTR_TYPE__
+typedef __INTPTR_TYPE__ intptr_t;
+#endif
+#ifdef __UINTPTR_TYPE__
+typedef __UINTPTR_TYPE__ uintptr_t;
+#endif
+
+/* 7.8.1.5 Greatest-width integer types */
+
+typedef __INTMAX_TYPE__ intmax_t;
+typedef __UINTMAX_TYPE__ uintmax_t;
+
+#if (!defined __cplusplus || __cplusplus >= 201103L \
+     || defined __STDC_LIMIT_MACROS)
 
 /*
  * 7.18.2 Limits of specified-width integer types.
@@ -22,17 +79,170 @@ typedef unsigned long   uintptr_t;
  */
 
 /* 7.18.2.1 Limits of exact-width integer types */
-#define	INT8_MIN		(-0x7f - 1)
-#define	INT16_MIN		(-0x7fff - 1)
-#define	INT32_MIN		(-0x7fffffff - 1)
 
-#define	INT8_MAX		0x7f
-#define	INT16_MAX		0x7fff
-#define	INT32_MAX		0x7fffffff
+#ifdef __INT8_MAX__
+# undef INT8_MAX
+# define INT8_MAX __INT8_MAX__
+# undef INT8_MIN
+# define INT8_MIN (-INT8_MAX - 1)
+#endif
+#ifdef __UINT8_MAX__
+# undef UINT8_MAX
+# define UINT8_MAX __UINT8_MAX__
+#endif
+#ifdef __INT16_MAX__
+# undef INT16_MAX
+# define INT16_MAX __INT16_MAX__
+# undef INT16_MIN
+# define INT16_MIN (-INT16_MAX - 1)
+#endif
+#ifdef __UINT16_MAX__
+# undef UINT16_MAX
+# define UINT16_MAX __UINT16_MAX__
+#endif
+#ifdef __INT32_MAX__
+# undef INT32_MAX
+# define INT32_MAX __INT32_MAX__
+# undef INT32_MIN
+# define INT32_MIN (-INT32_MAX - 1)
+#endif
+#ifdef __UINT32_MAX__
+# undef UINT32_MAX
+# define UINT32_MAX __UINT32_MAX__
+#endif
+#ifdef __INT64_MAX__
+# undef INT64_MAX
+# define INT64_MAX __INT64_MAX__
+# undef INT64_MIN
+# define INT64_MIN (-INT64_MAX - 1)
+#endif
+#ifdef __UINT64_MAX__
+# undef UINT64_MAX
+# define UINT64_MAX __UINT64_MAX__
+#endif
+
+#undef INT_LEAST8_MAX
+#define INT_LEAST8_MAX __INT_LEAST8_MAX__
+#undef INT_LEAST8_MIN
+#define INT_LEAST8_MIN (-INT_LEAST8_MAX - 1)
+#undef UINT_LEAST8_MAX
+#define UINT_LEAST8_MAX __UINT_LEAST8_MAX__
+#undef INT_LEAST16_MAX
+#define INT_LEAST16_MAX __INT_LEAST16_MAX__
+#undef INT_LEAST16_MIN
+#define INT_LEAST16_MIN (-INT_LEAST16_MAX - 1)
+#undef UINT_LEAST16_MAX
+#define UINT_LEAST16_MAX __UINT_LEAST16_MAX__
+#undef INT_LEAST32_MAX
+#define INT_LEAST32_MAX __INT_LEAST32_MAX__
+#undef INT_LEAST32_MIN
+#define INT_LEAST32_MIN (-INT_LEAST32_MAX - 1)
+#undef UINT_LEAST32_MAX
+#define UINT_LEAST32_MAX __UINT_LEAST32_MAX__
+#undef INT_LEAST64_MAX
+#define INT_LEAST64_MAX __INT_LEAST64_MAX__
+#undef INT_LEAST64_MIN
+#define INT_LEAST64_MIN (-INT_LEAST64_MAX - 1)
+#undef UINT_LEAST64_MAX
+#define UINT_LEAST64_MAX __UINT_LEAST64_MAX__
+
+#undef INT_FAST8_MAX
+#define INT_FAST8_MAX __INT_FAST8_MAX__
+#undef INT_FAST8_MIN
+#define INT_FAST8_MIN (-INT_FAST8_MAX - 1)
+#undef UINT_FAST8_MAX
+#define UINT_FAST8_MAX __UINT_FAST8_MAX__
+#undef INT_FAST16_MAX
+#define INT_FAST16_MAX __INT_FAST16_MAX__
+#undef INT_FAST16_MIN
+#define INT_FAST16_MIN (-INT_FAST16_MAX - 1)
+#undef UINT_FAST16_MAX
+#define UINT_FAST16_MAX __UINT_FAST16_MAX__
+#undef INT_FAST32_MAX
+#define INT_FAST32_MAX __INT_FAST32_MAX__
+#undef INT_FAST32_MIN
+#define INT_FAST32_MIN (-INT_FAST32_MAX - 1)
+#undef UINT_FAST32_MAX
+#define UINT_FAST32_MAX __UINT_FAST32_MAX__
+#undef INT_FAST64_MAX
+#define INT_FAST64_MAX __INT_FAST64_MAX__
+#undef INT_FAST64_MIN
+#define INT_FAST64_MIN (-INT_FAST64_MAX - 1)
+#undef UINT_FAST64_MAX
+#define UINT_FAST64_MAX __UINT_FAST64_MAX__
+
+#ifdef __INTPTR_MAX__
+# undef INTPTR_MAX
+# define INTPTR_MAX __INTPTR_MAX__
+# undef INTPTR_MIN
+# define INTPTR_MIN (-INTPTR_MAX - 1)
+#endif
+#ifdef __UINTPTR_MAX__
+# undef UINTPTR_MAX
+# define UINTPTR_MAX __UINTPTR_MAX__
+#endif
 
-#define	UINT8_MAX		0xff
-#define	UINT16_MAX		0xffff
-#define	UINT32_MAX		0xffffffffU
+#undef INTMAX_MAX
+#define INTMAX_MAX __INTMAX_MAX__
+#undef INTMAX_MIN
+#define INTMAX_MIN (-INTMAX_MAX - 1)
+#undef UINTMAX_MAX
+#define UINTMAX_MAX __UINTMAX_MAX__
+
+/* 7.18.3 Limits of other integer types */
+
+#undef PTRDIFF_MAX
+#define PTRDIFF_MAX __PTRDIFF_MAX__
+#undef PTRDIFF_MIN
+#define PTRDIFF_MIN (-PTRDIFF_MAX - 1)
+
+#undef SIG_ATOMIC_MAX
+#define SIG_ATOMIC_MAX __SIG_ATOMIC_MAX__
+#undef SIG_ATOMIC_MIN
+#define SIG_ATOMIC_MIN __SIG_ATOMIC_MIN__
+
+#undef SIZE_MAX
+#define SIZE_MAX __SIZE_MAX__
+
+#undef WCHAR_MAX
+#define WCHAR_MAX __WCHAR_MAX__
+#undef WCHAR_MIN
+#define WCHAR_MIN __WCHAR_MIN__
+
+#undef WINT_MAX
+#define WINT_MAX __WINT_MAX__
+#undef WINT_MIN
+#define WINT_MIN __WINT_MIN__
+
+#endif /* (!defined __cplusplus || __cplusplus >= 201103L
+	   || defined __STDC_LIMIT_MACROS)  */
+
+#if (!defined __cplusplus || __cplusplus >= 201103L \
+     || defined __STDC_CONSTANT_MACROS)
+
+#undef INT8_C
+#define INT8_C(c) __INT8_C(c)
+#undef INT16_C
+#define INT16_C(c) __INT16_C(c)
+#undef INT32_C
+#define INT32_C(c) __INT32_C(c)
+#undef INT64_C
+#define INT64_C(c) __INT64_C(c)
+#undef UINT8_C
+#define UINT8_C(c) __UINT8_C(c)
+#undef UINT16_C
+#define UINT16_C(c) __UINT16_C(c)
+#undef UINT32_C
+#define UINT32_C(c) __UINT32_C(c)
+#undef UINT64_C
+#define UINT64_C(c) __UINT64_C(c)
+#undef INTMAX_C
+#define INTMAX_C(c) __INTMAX_C(c)
+#undef UINTMAX_C
+#define UINTMAX_C(c) __UINTMAX_C(c)
+
+#endif /* (!defined __cplusplus || __cplusplus >= 201103L
+	   || defined __STDC_CONSTANT_MACROS) */
 
 #ifndef __INT_MAX__
 #define __INT_MAX__     2147483647
@@ -45,6 +255,4 @@ typedef unsigned long   uintptr_t;
 #define LONG_MIN	(-LONG_MAX - 1)
 #define ULONG_MAX	(~0UL)
 
-#define SIZE_MAX	ULONG_MAX
-
 #endif
diff --git a/include/libc/libc_stat.h b/include/libc/libc_stat.h
index 69871dd101..26752393db 100644
--- a/include/libc/libc_stat.h
+++ b/include/libc/libc_stat.h
@@ -77,11 +77,23 @@
 
 struct stat
 {
-    struct rt_device* st_dev;
-    uint16_t st_mode;
-    uint32_t st_size;
-    time_t   st_mtime;
-    uint32_t st_blksize;
+    struct rt_device *st_dev;
+    uint16_t  st_ino;
+    uint16_t  st_mode;
+    uint16_t  st_nlink;
+    uint16_t  st_uid;
+    uint16_t  st_gid;
+    struct rt_device *st_rdev;
+    uint32_t  st_size;
+    time_t    st_atime;
+    long      st_spare1;
+    time_t    st_mtime;
+    long      st_spare2;
+    time_t    st_ctime;
+    long      st_spare3;
+    uint32_t  st_blksize;
+    uint32_t  st_blocks;
+    long      st_spare4[2];
 };
 
 #endif