Update rtdef.h

tools: fix SrcRemove on empty src

bsp/beaglebone/drivers/serial.c

@@ -426,7 +426,7 @@ int rt_hw_serial_init(void)
     config.stop_bits = STOP_BITS_1;
     config.invert    = NRZ_NORMAL;
     serial3.ops    = &am33xx_uart_ops;
-    serial3.int_rx = &uart_3_int_rx;
+    serial3.int_rx = &uart3_int_rx;
     serial3.config = config;
     /* enable RX interrupt */
     UART_IER_REG(uart3.base) = 0x01;
@@ -470,7 +470,7 @@ int rt_hw_serial_init(void)
     config.parity    = PARITY_NONE;
     config.stop_bits = STOP_BITS_1;
     config.invert    = NRZ_NORMAL;
-  
+
     serial5.ops    = &am33xx_uart_ops;
     serial5.int_rx = &uart5_int_rx;
     serial5.config = config;

bsp/lpc176x/drivers/sd.c

@@ -397,7 +397,19 @@ static rt_size_t rt_sdcard_write (rt_device_t dev, rt_off_t pos, const void* buf
 
 static rt_err_t rt_sdcard_control(rt_device_t dev, rt_uint8_t cmd, void *args)
 {
-	return RT_EOK;
+    if (cmd == RT_DEVICE_CTRL_BLK_GETGEOME)
+    {
+        struct rt_device_blk_geometry *geometry;
+        
+        geometry = (struct rt_device_blk_geometry *)args;
+        if (geometry == RT_NULL) return -RT_ERROR;
+
+        geometry->bytes_per_sector = SDCfg.sectorsize;
+        geometry->block_size = SDCfg.blocksize;
+        geometry->sector_count = SDCfg.sectorcnt;
+    }
+
+    return RT_EOK;
 }
 
 void rt_hw_sdcard_init()

bsp/lpc176x/rtconfig.h

@@ -151,8 +151,6 @@
 // #define RT_LWIP_SNMP
 // <bool name="RT_LWIP_DHCP" description="Enable DHCP client to get IP address" default="false" />
 // #define RT_LWIP_DHCP
-// <integer name="RT_LWIP_TCP_SEG_NUM" description="the number of simultaneously queued TCP" default="4" />
-#define RT_LWIP_TCP_SEG_NUM	4
 // <integer name="RT_LWIP_TCPTHREAD_PRIORITY" description="the thread priority of TCP thread" default="128" />
 #define RT_LWIP_TCPTHREAD_PRIORITY	12
 // <integer name="RT_LWIP_TCPTHREAD_MBOX_SIZE" description="the mail box size of TCP thread to wait for" default="32" />

bsp/lpc408x/Libraries/Device/NXP/LPC407x_8x_177x_8x/Source/Templates/GCC/startup_LPC407x_8x_177x_8x.s

@@ -102,18 +102,18 @@ __cs3_interrupt_vector_cortex_m:
     .long   DMA_IRQHandler              /* 42: General Purpose DMA          */
     .long   I2S_IRQHandler              /* 43: I2S                          */
     .long   ENET_IRQHandler             /* 44: Ethernet                     */
-    .long   MCI_IRQHandler              /* 45: SD/MMC Card					*/
+    .long   MCI_IRQHandler              /* 45: SD/MMC Card		    */
     .long   MCPWM_IRQHandler            /* 46: Motor Control PWM            */
     .long   QEI_IRQHandler              /* 47: Quadrature Encoder Interface */
     .long   PLL1_IRQHandler             /* 48: PLL1 Lock (USB PLL)          */
-    .long	USBActivity_IRQHandler		/* 49: USB Activity 				*/
-    .long 	CANActivity_IRQHandler		/* 50: CAN Activity					*/
-    .long	UART4_IRQHandler            /* 51: UART4						*/
-    .long	SSP2_IRQHandler				/* 52: SSP2							*/
-    .long 	LCD_IRQHandler				/* 53: LCD							*/
-    .long	GPIO_IRQHandler				/* 54: GPIO							*/
-    .long 	PWM0_IRQHandler				/* 55: PWM0							*/
-    .long 	EEPROM_IRQHandler			/* 56: EEPROM						*/
+    .long   USBActivity_IRQHandler	/* 49: USB Activity 		    */
+    .long   CANActivity_IRQHandler	/* 50: CAN Activity		    */
+    .long   UART4_IRQHandler            /* 51: UART4			    */
+    .long   SSP2_IRQHandler		/* 52: SSP2			    */
+    .long   LCD_IRQHandler		/* 53: LCD			    */
+    .long   GPIO_IRQHandler		/* 54: GPIO			    */
+    .long   PWM0_IRQHandler		/* 55: PWM0			    */
+    .long   EEPROM_IRQHandler		/* 56: EEPROM			    */
 
     .size   __cs3_interrupt_vector_cortex_m, . - __cs3_interrupt_vector_cortex_m
 
@@ -130,22 +130,24 @@ CRP_Value:
     .section .cs3.reset,"x",%progbits
     .thumb_func
     .globl  __cs3_reset_cortex_m
+    .globl  Reset_Handler
     .type   __cs3_reset_cortex_m, %function
 __cs3_reset_cortex_m:
+Reset_Handler:
     .fnstart
 .ifdef RAM_MODE
 /* Clear .bss section (Zero init) */
-	MOV     R0, #0
-	LDR     R1, =__bss_start__
-	LDR     R2, =__bss_end__
-	CMP     R1,R2
-	BEQ     BSSIsEmpty
+    MOV     R0, #0
+    LDR     R1, =__bss_start__
+    LDR     R2, =__bss_end__
+    CMP     R1,R2
+    BEQ     BSSIsEmpty
 LoopZI:
-	CMP     R1, R2
-	BHS		BSSIsEmpty
-	STR   	R0, [R1]
-	ADD		R1, #4
-	BLO     LoopZI
+    CMP     R1, R2
+    BHS	    BSSIsEmpty
+    STR     R0, [R1]
+    ADD	    R1, #4
+    BLO     LoopZI
 BSSIsEmpty:
     LDR     R0, =SystemInit
     BLX     R0
@@ -154,7 +156,7 @@ BSSIsEmpty:
 .else
     LDR     R0, =SystemInit
     BLX     R0
-	LDR     R0,=_start
+    LDR     R0,=main
     BX      R0
 .endif
     .pool

bsp/stm32f40x/drivers/usart.c

@@ -165,8 +165,8 @@ static void GPIO_Configuration(void)
 	GPIO_Init(UART3_GPIO, &GPIO_InitStructure);
 
     /* Connect alternate function */
-    GPIO_PinAFConfig(UART2_GPIO, UART3_TX_PIN_SOURCE, GPIO_AF_USART3);
-    GPIO_PinAFConfig(UART2_GPIO, UART3_RX_PIN_SOURCE, GPIO_AF_USART3);
+    GPIO_PinAFConfig(UART3_GPIO, UART3_TX_PIN_SOURCE, GPIO_AF_USART3);
+    GPIO_PinAFConfig(UART3_GPIO, UART3_RX_PIN_SOURCE, GPIO_AF_USART3);
 #endif
 }
 

components/dfs/filesystems/devfs/devfs.h

@@ -27,5 +27,6 @@
 #include <rtthread.h>
 
 int devfs_init(void);
+void rt_console_init(const char* device_name);
 
 #endif

components/dfs/filesystems/nfs/dfs_nfs.c

@@ -750,11 +750,12 @@ int nfs_open(struct dfs_fd *file)
         if (file->flags & DFS_O_CREAT)
         {
             if (nfs_mkdir(nfs, file->path, 0755) < 0)
-                return -1;
+                return -DFS_STATUS_EAGAIN;
         }
 
         /* open directory */
         dir = nfs_opendir(nfs, file->path);
+        if (dir == RT_NULL) return -DFS_STATUS_ENOENT;
         file->data = dir;
     }
     else
@@ -766,20 +767,20 @@ int nfs_open(struct dfs_fd *file)
         if (file->flags & DFS_O_CREAT)
         {
             if (nfs_create(nfs, file->path, 0664) < 0)
-                return -1;
+                return -DFS_STATUS_EAGAIN;
         }
 
         /* open file (get file handle ) */
         fp = rt_malloc(sizeof(nfs_file));
         if (fp == RT_NULL)
-            return -1;
+            return -DFS_STATUS_ENOMEM;
 
         handle = get_handle(nfs, file->path);
         if (handle == RT_NULL)
         {
             rt_free(fp);
 
-            return -1;
+            return -DFS_STATUS_ENOENT;
         }
 
         /* get size of file */
@@ -798,7 +799,7 @@ int nfs_open(struct dfs_fd *file)
 
         /* set private file */
         file->data = fp;
-		file->size = fp->size;
+        file->size = fp->size;
     }
 
     return 0;

components/dfs/src/dfs_file.c

@@ -21,6 +21,7 @@
  * Date           Author       Notes
  * 2005-02-22     Bernard      The first version.
  * 2011-12-08     Bernard      Merges rename patch from iamcacy.
+ * 2015-05-27     Bernard      Fix the fd clear issue.
  */
 
 #include <dfs.h>
@@ -97,7 +98,7 @@ int dfs_file_open(struct dfs_fd *fd, const char *path, int flags)
     {
         /* clear fd */
         rt_free(fd->path);
-        rt_memset(fd, 0, sizeof(*fd));
+        fd->path = RT_NULL;
 
         return -DFS_STATUS_ENOSYS;
     }
@@ -106,7 +107,7 @@ int dfs_file_open(struct dfs_fd *fd, const char *path, int flags)
     {
         /* clear fd */
         rt_free(fd->path);
-        rt_memset(fd, 0, sizeof(*fd));
+        fd->path = RT_NULL;
 
         dfs_log(DFS_DEBUG_INFO, ("open failed"));
 
@@ -143,7 +144,7 @@ int dfs_file_close(struct dfs_fd *fd)
         return result;
 
     rt_free(fd->path);
-    rt_memset(fd, 0, sizeof(struct dfs_fd));
+    fd->path = RT_NULL;
 
     return result;
 }
@@ -165,7 +166,7 @@ int dfs_file_ioctl(struct dfs_fd *fd, int cmd, void *args)
         return -DFS_STATUS_EINVAL;
 
     fs = fd->fs;
-    if (fs->ops->ioctl != RT_NULL) 
+    if (fs->ops->ioctl != RT_NULL)
         return fs->ops->ioctl(fd, cmd, args);
 
     return -DFS_STATUS_ENOSYS;
@@ -335,6 +336,9 @@ int dfs_file_lseek(struct dfs_fd *fd, rt_off_t offset)
 
     if (fd == RT_NULL)
         return -DFS_STATUS_EINVAL;
+    fs = fd->fs;
+    if (fs == RT_NULL)
+        return -DFS_STATUS_EINVAL;
     if (fs->ops->lseek == RT_NULL)
         return -DFS_STATUS_ENOSYS;
 
@@ -555,7 +559,7 @@ void ls(const char *pathname)
     if (pathname == RT_NULL) 
         rt_free(path);
 }
-FINSH_FUNCTION_EXPORT(ls, list directory contents)
+FINSH_FUNCTION_EXPORT(ls, list directory contents);
 
 void rm(const char *filename)
 {
@@ -564,7 +568,7 @@ void rm(const char *filename)
         rt_kprintf("Delete %s failed\n", filename);
     }
 }
-FINSH_FUNCTION_EXPORT(rm, remove files or directories)
+FINSH_FUNCTION_EXPORT(rm, remove files or directories);
 
 void cat(const char* filename)
 {
@@ -590,7 +594,7 @@ void cat(const char* filename)
 
     dfs_file_close(&fd);
 }
-FINSH_FUNCTION_EXPORT(cat, print file)
+FINSH_FUNCTION_EXPORT(cat, print file);
 
 #define BUF_SZ  4096
 static void copyfile(const char *src, const char *dst)
@@ -629,7 +633,15 @@ static void copyfile(const char *src, const char *dst)
         read_bytes = dfs_file_read(&src_fd, block_ptr, BUF_SZ);
         if (read_bytes > 0)
         {
-            dfs_file_write(&fd, block_ptr, read_bytes);
+			int length;
+			
+            length = dfs_file_write(&fd, block_ptr, read_bytes);
+			if (length != read_bytes)
+			{
+				/* write failed. */
+				rt_kprintf("Write file data failed, errno=%d\n", length);
+				break;
+			}
         }
     } while (read_bytes > 0);
 
@@ -641,7 +653,6 @@ static void copyfile(const char *src, const char *dst)
 extern int mkdir(const char *path, mode_t mode);
 static void copydir(const char * src, const char * dst)
 {
-    struct dfs_fd fd;
     struct dirent dirent;
     struct stat stat;
     int length;

components/dfs/src/dfs_fs.c

@@ -85,6 +85,8 @@ struct dfs_filesystem *dfs_filesystem_lookup(const char *path)
 
     prefixlen = 0;
 
+    RT_ASSERT(path);
+
     /* lock filesystem */
     dfs_lock();
 

components/dfs/src/dfs_posix.c

@@ -33,11 +33,11 @@
 
 /**
  * this function is a POSIX compliant version, which will open a file and
- * return a file descriptor.
+ * return a file descriptor according specified flags.
  *
  * @param file the path name of file.
  * @param flags the file open flags.
- * @param mode
+ * @param mode ignored parameter
  *
  * @return the non-negative integer on successful open, others for failed.
  */
@@ -120,7 +120,8 @@ RTM_EXPORT(close);
  * @param buf the buffer to save the read data.
  * @param len the maximal length of data buffer
  *
- * @return the actual read data buffer length
+ * @return the actual read data buffer length. If the returned value is 0, it
+ * may be reach the end of file, please check errno.
  */
 int read(int fd, void *buf, size_t len)
 {
@@ -200,7 +201,7 @@ RTM_EXPORT(write);
  * @param offset the offset to be seeked.
  * @param whence the directory of seek.
  *
- * @return the current file position, or -1 on failed.
+ * @return the current read/write position in the file, or -1 on failed.
  */
 off_t lseek(int fd, off_t offset, int whence)
 {
@@ -229,6 +230,7 @@ off_t lseek(int fd, off_t offset, int whence)
         break;
 
     default:
+        fd_put(d);
         rt_set_errno(-DFS_STATUS_EINVAL);
 
         return -1;
@@ -236,6 +238,7 @@ off_t lseek(int fd, off_t offset, int whence)
 
     if (offset < 0)
     {
+        fd_put(d);
         rt_set_errno(-DFS_STATUS_EINVAL);
 
         return -1;
@@ -336,6 +339,8 @@ RTM_EXPORT(stat);
  *
  * @param fildes the file description
  * @param buf the data buffer to save stat description.
+ *
+ * @return 0 on successful, -1 on failed.
  */
 int fstat(int fildes, struct stat *buf)
 {
@@ -424,6 +429,7 @@ int mkdir(const char *path, mode_t mode)
 
     if (result < 0)
     {
+        fd_put(d);
         fd_put(d);
         rt_set_errno(result);
 
@@ -432,6 +438,7 @@ int mkdir(const char *path, mode_t mode)
 
     dfs_file_close(d);
     fd_put(d);
+    fd_put(d);
 
     return 0;
 }
@@ -470,7 +477,7 @@ RTM_EXPORT(rmdir);
  *
  * @param name the path name to be open.
  *
- * @return the DIR pointer of directory, NULL on open failed.
+ * @return the DIR pointer of directory, NULL on open directory failed.
  */
 DIR *opendir(const char *name)
 {
@@ -537,12 +544,17 @@ struct dirent *readdir(DIR *d)
     if (fd == RT_NULL)
     {
         rt_set_errno(-DFS_STATUS_EBADF);
-
         return RT_NULL;
     }
 
-    if (!d->num ||
-        (d->cur += ((struct dirent *)(d->buf + d->cur))->d_reclen) >= d->num)
+    if (d->num)
+    {
+        struct dirent* dirent_ptr;
+        dirent_ptr = (struct dirent*)&d->buf[d->cur];
+        d->cur += dirent_ptr->d_reclen;
+    }
+
+    if (!d->num || d->cur >= d->num)
     {
         /* get a new entry */
         result = dfs_file_getdents(fd,

components/drivers/i2c/i2c-bit-ops.c

@@ -451,9 +451,6 @@ static const struct rt_i2c_bus_device_ops i2c_bit_bus_ops =
 rt_err_t rt_i2c_bit_add_bus(struct rt_i2c_bus_device *bus,
                             const char               *bus_name)
 {
-    struct rt_i2c_bit_ops *bit_ops = bus->priv;
-    RT_ASSERT(bit_ops != RT_NULL);
-
     bus->ops = &i2c_bit_bus_ops;
 
     return rt_i2c_bus_device_register(bus, bus_name);

components/drivers/i2c/i2c_core.c

@@ -24,8 +24,6 @@
 
 #include <rtdevice.h>
 
-static struct rt_mutex i2c_core_lock;
-
 rt_err_t rt_i2c_bus_device_register(struct rt_i2c_bus_device *bus,
                                     const char               *bus_name)
 {
@@ -33,17 +31,12 @@ rt_err_t rt_i2c_bus_device_register(struct rt_i2c_bus_device *bus,
 
     rt_mutex_init(&bus->lock, "i2c_bus_lock", RT_IPC_FLAG_FIFO);
 
-    rt_mutex_take(&i2c_core_lock, RT_WAITING_FOREVER);
-
-    if (bus->timeout == 0)
-        bus->timeout = RT_TICK_PER_SECOND;
+    if (bus->timeout == 0) bus->timeout = RT_TICK_PER_SECOND;
 
     res = rt_i2c_bus_device_device_init(bus, bus_name);
 
     i2c_dbg("I2C bus [%s] registered\n", bus_name);
 
-    rt_mutex_release(&i2c_core_lock);
-
     return res;
 }
 
@@ -136,6 +129,6 @@ rt_size_t rt_i2c_master_recv(struct rt_i2c_bus_device *bus,
 
 int rt_i2c_core_init(void)
 {
-    return rt_mutex_init(&i2c_core_lock, "i2c_core_lock", RT_IPC_FLAG_FIFO);
+    return 0;
 }
 INIT_COMPONENT_EXPORT(rt_i2c_core_init);

components/drivers/i2c/i2c_dev.c

@@ -20,18 +20,11 @@
  * Change Logs:
  * Date           Author        Notes
  * 2012-04-25     weety         first version
+ * 2014-08-03     bernard       fix some compiling warning
  */
 
 #include <rtdevice.h>
 
-static rt_err_t i2c_bus_device_init(rt_device_t dev)
-{
-    struct rt_i2c_bus_device *bus = (struct rt_i2c_bus_device *)dev->user_data;
-    RT_ASSERT(bus != RT_NULL);
-
-    return RT_EOK;
-}
-
 static rt_size_t i2c_bus_device_read(rt_device_t dev,
                                      rt_off_t    pos,
                                      void       *buffer,
@@ -122,7 +115,7 @@ rt_err_t rt_i2c_bus_device_device_init(struct rt_i2c_bus_device *bus,
     /* set device type */
     device->type    = RT_Device_Class_I2CBUS;
     /* initialize device interface */
-    device->init    = i2c_bus_device_init;
+    device->init    = RT_NULL;
     device->open    = RT_NULL;
     device->close   = RT_NULL;
     device->read    = i2c_bus_device_read;

components/drivers/include/drivers/serial.h

@@ -30,9 +30,15 @@
 
 #include <rtthread.h>
 
+#define BAUD_RATE_2400                  2400
 #define BAUD_RATE_4800                  4800
 #define BAUD_RATE_9600                  9600
+#define BAUD_RATE_38400                 38400
+#define BAUD_RATE_57600                 57600
 #define BAUD_RATE_115200                115200
+#define BAUD_RATE_230400                230400
+#define BAUD_RATE_460800                460800
+#define BAUD_RATE_921600                921600
 
 #define DATA_BITS_5                     5
 #define DATA_BITS_6                     6

components/drivers/spi/spi_dev.c

@@ -25,16 +25,6 @@
 #include <drivers/spi.h>
 
 /* SPI bus device interface, compatible with RT-Thread 0.3.x/1.0.x */
-static rt_err_t _spi_bus_device_init(rt_device_t dev)
-{
-    struct rt_spi_bus *bus;
-
-    bus = (struct rt_spi_bus *)dev;
-    RT_ASSERT(bus != RT_NULL);
-
-    return RT_EOK;
-}
-
 static rt_size_t _spi_bus_device_read(rt_device_t dev,
                                       rt_off_t    pos,
                                       void       *buffer,
@@ -67,11 +57,7 @@ static rt_err_t _spi_bus_device_control(rt_device_t dev,
                                         rt_uint8_t  cmd,
                                         void       *args)
 {
-    struct rt_spi_bus *bus;
-
-    bus = (struct rt_spi_bus *)dev;
-    RT_ASSERT(bus != RT_NULL);
-
+    /* TODO: add control command handle */
     switch (cmd)
     {
     case 0: /* set device */
@@ -93,7 +79,7 @@ rt_err_t rt_spi_bus_device_init(struct rt_spi_bus *bus, const char *name)
     /* set device type */
     device->type    = RT_Device_Class_SPIBUS;
     /* initialize device interface */
-    device->init    = _spi_bus_device_init;
+    device->init    = RT_NULL;
     device->open    = RT_NULL;
     device->close   = RT_NULL;
     device->read    = _spi_bus_device_read;
@@ -105,16 +91,6 @@ rt_err_t rt_spi_bus_device_init(struct rt_spi_bus *bus, const char *name)
 }
 
 /* SPI Dev device interface, compatible with RT-Thread 0.3.x/1.0.x */
-static rt_err_t _spidev_device_init(rt_device_t dev)
-{
-    struct rt_spi_device *device;
-
-    device = (struct rt_spi_device *)dev;
-    RT_ASSERT(device != RT_NULL);
-
-    return RT_EOK;
-}
-
 static rt_size_t _spidev_device_read(rt_device_t dev,
                                      rt_off_t    pos,
                                      void       *buffer,
@@ -147,11 +123,6 @@ static rt_err_t _spidev_device_control(rt_device_t dev,
                                        rt_uint8_t  cmd,
                                        void       *args)
 {
-    struct rt_spi_device *device;
-
-    device = (struct rt_spi_device *)dev;
-    RT_ASSERT(device != RT_NULL);
-
     switch (cmd)
     {
     case 0: /* set device */
@@ -172,7 +143,7 @@ rt_err_t rt_spidev_device_init(struct rt_spi_device *dev, const char *name)
 
     /* set device type */
     device->type    = RT_Device_Class_SPIDevice;
-    device->init    = _spidev_device_init;
+    device->init    = RT_NULL;
     device->open    = RT_NULL;
     device->close   = RT_NULL;
     device->read    = _spidev_device_read;

components/finsh/msh.c

@@ -315,12 +315,15 @@ int msh_exec(char* cmd, rt_size_t length)
         return 0;
     }
 #endif
-#ifdef DFS_USING_WORKDIR
+
+#if defined(RT_USING_DFS) && defined(DFS_USING_WORKDIR)
+	/* change to this directory */
     if (chdir(cmd) == 0)
     {
         return 0;
     }
 #endif
+
     /* truncate the cmd at the first space. */
     {
         char *tcmd;
@@ -355,10 +358,12 @@ void msh_auto_complete_path(char *path)
     struct dirent *dirent = RT_NULL;
     char *full_path, *ptr, *index;
 
+    if (!path)
+        return;
+
     full_path = (char*)rt_malloc(256);
     if (full_path == RT_NULL) return; /* out of memory */
 
-    ptr = full_path;
     if (*path != '/')
     {
         getcwd(full_path, 256);
@@ -367,7 +372,8 @@ void msh_auto_complete_path(char *path)
     }
     else *full_path = '\0';
 
-    index = RT_NULL; ptr = path;
+    index = RT_NULL;
+    ptr = path;
     for (;;)
     {
         if (*ptr == '/') index = ptr + 1; if (!*ptr) break; ptr ++;

components/finsh/msh_cmd.c

@@ -206,14 +206,20 @@ int cmd_time(int argc, char** argv)
 }
 FINSH_FUNCTION_EXPORT_ALIAS(cmd_time, __cmd_time, Execute command with time.);
 
+#ifdef RT_USING_HEAP
 int cmd_free(int argc, char** argv)
 {
     extern void list_mem(void);
 
+#ifdef RT_USING_MEMHEAP_AS_HEAP
+    list_memheap();
+#else
     list_mem();
+#endif
     return 0;
 }
 FINSH_FUNCTION_EXPORT_ALIAS(cmd_free, __cmd_free, Show the memory usage in the system.);
+#endif
 
 #endif
 

components/finsh/shell.c

@@ -70,10 +70,11 @@ const char* finsh_get_prompt()
 #endif
     strcpy(finsh_prompt, _PROMPT);
 
-#ifdef DFS_USING_WORKDIR
+#if defined(RT_USING_DFS) && defined(DFS_USING_WORKDIR)
     /* get current working directory */
     getcwd(&finsh_prompt[rt_strlen(finsh_prompt)], RT_CONSOLEBUF_SIZE - rt_strlen(finsh_prompt));
 #endif
+
     strcat(finsh_prompt, ">");
 
     return finsh_prompt;

components/finsh/shell.h

@@ -33,7 +33,17 @@
 #include <rtthread.h>
 #include "finsh.h"
 
-#define FINSH_USING_HISTORY
+/* For historical reasons, users don't define FINSH_USING_HISTORY in rtconfig.h
+ * but expect the history feature. So you sould define FINSH_USING_HISTORY to 0
+ * to disable it from the rtconfig.h. */
+#ifdef FINSH_USING_HISTORY
+#    if FINSH_USING_HISTORY == 0
+#        undef FINSH_USING_HISTORY
+#    endif
+#else
+#    define FINSH_USING_HISTORY
+#endif
+
 #ifndef FINSH_THREAD_PRIORITY
 #define FINSH_THREAD_PRIORITY 20
 #endif

components/libc/armlibc/stubs.c

@@ -48,6 +48,7 @@ FILEHANDLE _sys_open(const char *name, int openmode)
 {
 #ifdef RT_USING_DFS    
     int fd;
+    int mode = O_RDONLY;
 #endif
     
     /* Register standard Input Output devices. */
@@ -61,8 +62,33 @@ FILEHANDLE _sys_open(const char *name, int openmode)
 #ifndef RT_USING_DFS
     return -1;
 #else
-    /* TODO: adjust open file mode */
-    fd = open(name, openmode, 0);
+	/* Correct openmode from fopen to open */
+	if (openmode & OPEN_PLUS) 
+	{
+		if (openmode & OPEN_W) 
+		{
+			mode |= (O_RDWR | O_TRUNC | O_CREAT);
+		}
+		else if (openmode & OPEN_A) 
+		{
+			mode |= (O_RDWR | O_APPEND | O_CREAT);
+		}
+		else 
+			mode |= O_RDWR;				
+	}
+	else
+	{
+		if (openmode & OPEN_W) 
+		{
+			mode |= (O_WRONLY | O_TRUNC | O_CREAT);
+		}
+		else if (openmode & OPEN_A)
+		{					
+            mode |= (O_WRONLY | O_APPEND | O_CREAT);
+		}					
+	}
+
+    fd = open(name, mode, 0);
     if(fd < 0)
         return -1;
     else
@@ -142,7 +168,8 @@ int _sys_write(FILEHANDLE fh, const unsigned char *buf, unsigned len, int mode)
 
         console_device = rt_console_get_device();
         if (console_device != 0) rt_device_write(console_device, 0, buf, len);
-        return len;
+
+		return 0;
 #endif
     }
 
@@ -196,7 +223,10 @@ char *_sys_command_string(char *cmd, int len)
 
 void _ttywrch(int ch)
 {
-   /* TODO */
+    char c;
+
+    c = (char)ch;
+    rt_kprintf(&c);
 }
 
 void _sys_exit(int return_code)

components/libc/minilibc/stdlib.c

@@ -54,6 +54,7 @@ long int atol(const char* s)
 	return sign?-v:v;
 }
 
+#ifdef RT_USING_HEAP
 void *malloc(size_t size)
 {
 	return rt_malloc(size);
@@ -73,5 +74,6 @@ void *calloc(size_t nelem, size_t elsize)
 {
 	return rt_calloc(nelem, elsize);
 }
+#endif
 
 #endif

components/libc/newlib/libc.c

@@ -9,6 +9,15 @@
 #include <pthread.h>
 #endif
 
+#ifdef RT_USING_DFS
+#include <dfs_posix.h>
+
+#ifdef RT_USING_DFS_DEVFS
+#include <devfs.h>
+#endif
+
+#endif
+
 void libc_system_init(const char* tty_name)
 {
 #ifdef RT_USING_DFS
@@ -18,13 +27,16 @@ void libc_system_init(const char* tty_name)
 #error Please enable devfs by defining RT_USING_DFS_DEVFS in rtconfig.h
 #endif
 
-	/* init console device */
+	/* initialize console device */
 	rt_console_init(tty_name);
 
 	/* open console as stdin/stdout/stderr */
 	fd = open("/dev/console", O_RDONLY, 0);	/* for stdin */
 	fd = open("/dev/console", O_WRONLY, 0);	/* for stdout */
 	fd = open("/dev/console", O_WRONLY, 0);	/* for stderr */
+	
+	/* skip warning */
+	fd = fd;
 #endif
 
 	/* set PATH and HOME */

components/libc/newlib/syscalls.c

@@ -3,6 +3,14 @@
 #include <sys/time.h>
 #include <rtthread.h>
 
+#ifdef RT_USING_DFS
+#include <dfs_posix.h>
+#endif
+
+#ifdef RT_USING_PTHREADS 
+#include <pthread.h>
+#endif
+
 /* Reentrant versions of system calls.  */
 
 int

components/net/lwip-1.4.1/src/arch/include/arch/cc.h

@@ -103,5 +103,9 @@ void sys_arch_assert(const char* file, int line);
 
 #include "string.h"
 
+#define SYS_ARCH_DECL_PROTECT(level)	
+#define SYS_ARCH_PROTECT(level)		rt_enter_critical()
+#define SYS_ARCH_UNPROTECT(level) 	rt_exit_critical()
+
 #endif /* __ARCH_CC_H__ */
 

components/pthreads/pthread_cond.c

@@ -98,7 +98,11 @@ int pthread_cond_init(pthread_cond_t *cond, const pthread_condattr_t *attr)
 
     rt_snprintf(cond_name, sizeof(cond_name), "cond%02d", cond_num++);
 
-    cond->attr = *attr;
+	if (attr == RT_NULL) /* use default value */
+		cond->attr = PTHREAD_PROCESS_PRIVATE;
+	else 
+	    cond->attr = *attr;
+
     result = rt_sem_init(&cond->sem, cond_name, 0, RT_IPC_FLAG_FIFO);
     if (result != RT_EOK)
         return EINVAL;

components/utilities/ymodem/ymodem.c

@@ -174,6 +174,18 @@ static rt_err_t _rym_trans_data(
         return -RYM_ERR_SEQ;
     }
 
+    /* As we are sending C continuously, there is a chance that the
+     * sender(remote) receive an C after sending the first handshake package.
+     * So the sender will interpret it as NAK and re-send the package. So we
+     * just ignore it and proceed. */
+    if (ctx->stage == RYM_STAGE_ESTABLISHED && ctx->buf[1] == 0x00)
+    {
+        *code = RYM_CODE_NONE;
+        return RT_EOK;
+    }
+
+    ctx->stage = RYM_STAGE_TRANSMITTING;
+
     /* sanity check */
     recv_crc = (rt_uint16_t)(*(ctx->buf+tsz-1) << 8) | *(ctx->buf+tsz);
     if (recv_crc != CRC16(ctx->buf+3, data_sz))
@@ -197,7 +209,7 @@ static rt_err_t _rym_do_trans(struct rym_ctx *ctx)
     {
         rt_err_t err;
         enum rym_code code;
-        rt_size_t data_sz;
+        rt_size_t data_sz, i;
 
         code = _rym_read_code(ctx,
                 RYM_WAIT_PKG_TICK);
@@ -214,7 +226,6 @@ static rt_err_t _rym_do_trans(struct rym_ctx *ctx)
         default:
             return -RYM_ERR_CODE;
         };
-        ctx->stage = RYM_STAGE_TRANSMITTING;
 
         err = _rym_trans_data(ctx, data_sz, &code);
         if (err != RT_EOK)
@@ -223,8 +234,9 @@ static rt_err_t _rym_do_trans(struct rym_ctx *ctx)
         {
         case RYM_CODE_CAN:
             /* the spec require multiple CAN */
-            _rym_putchar(ctx, RYM_CODE_CAN);
-            _rym_putchar(ctx, RYM_CODE_CAN);
+            for (i = 0; i < RYM_END_SESSION_SEND_CAN_NUM; i++) {
+                _rym_putchar(ctx, RYM_CODE_CAN);
+            }
             return -RYM_ERR_CAN;
         case RYM_CODE_ACK:
             _rym_putchar(ctx, RYM_CODE_ACK);

components/utilities/ymodem/ymodem.h

@@ -52,7 +52,12 @@ enum rym_code {
 #endif
 /* how many ticks between two handshake code. */
 #ifndef RYM_CHD_INTV_TICK
-#define RYM_CHD_INTV_TICK (RT_TICK_PER_SECOND / 4)
+#define RYM_CHD_INTV_TICK (RT_TICK_PER_SECOND * 3)
+#endif
+
+/* how many CAN be sent when user active end the session. */
+#ifndef RYM_END_SESSION_SEND_CAN_NUM
+#define RYM_END_SESSION_SEND_CAN_NUM  0x07
 #endif
 
 enum rym_stage {
@@ -61,7 +66,8 @@ enum rym_stage {
     RYM_STAGE_ESTABLISHING,
     /* set when we've got the packet 0 and sent ACK and second C */
     RYM_STAGE_ESTABLISHED,
-    /* set when the sender respond to our second C */
+    /* set when the sender respond to our second C and recviever got a real
+     * data packet. */
     RYM_STAGE_TRANSMITTING,
     /* set when the sender send a EOT */
     RYM_STAGE_FINISHING,

include/rtdef.h

@@ -1,7 +1,7 @@
 /*
  * File      : rtdef.h
  * This file is part of RT-Thread RTOS
- * COPYRIGHT (C) 2006 - 2012, RT-Thread Development Team
+ * COPYRIGHT (C) 2006 - 2015, RT-Thread Development Team
  *
  *  This program is free software; you can redistribute it and/or modify
  *  it under the terms of the GNU General Public License as published by
@@ -50,7 +50,7 @@ extern "C" {
 /* RT-Thread version information */
 #define RT_VERSION                      1L              /**< major version number */
 #define RT_SUBVERSION                   2L              /**< minor version number */
-#define RT_REVISION                     2L              /**< revise version number */
+#define RT_REVISION                     5L              /**< revise version number */
 
 /* RT-Thread version */
 #define RTTHREAD_VERSION                ((RT_VERSION * 10000) + \

libcpu/arm/cortex-m0/context_gcc.S

@@ -79,8 +79,8 @@ _reswitch:
     STR     R1, [R0]
     BX      LR
 
-/* R0 --> swith from thread stack
- * R1 --> swith to thread stack
+/* R0 --> switch from thread stack
+ * R1 --> switch to thread stack
  * psr, pc, LR, R12, R3, R2, R1, R0 are pushed into [from] stack
  */
     .global PendSV_Handler
@@ -103,7 +103,7 @@ PendSV_Handler:
     LDR     R0, =rt_interrupt_from_thread
     LDR     R1, [R0]
     CMP     R1, #0x00
-    BEQ     swtich_to_thread    /* skip register save at the first time */
+    BEQ     switch_to_thread    /* skip register save at the first time */
 
 	MRS     R1, PSP                 /* get from thread stack pointer */
 
@@ -118,7 +118,7 @@ PendSV_Handler:
     MOV     R6, R10
     MOV     R7, R11
     STMIA   R1!, {R4 - R7}          /* push thread {R8 - R11} high register to thread stack */
-swtich_to_thread:
+switch_to_thread:
     LDR     R1, =rt_interrupt_to_thread
     LDR     R1, [R1]
     LDR     R1, [R1]                /* load thread stack pointer */

libcpu/arm/cortex-m0/context_iar.S

@@ -81,8 +81,8 @@ _reswitch
     STR     r1, [r0]
     BX      LR
 
-; r0 --> swith from thread stack
-; r1 --> swith to thread stack
+; r0 --> switch from thread stack
+; r1 --> switch to thread stack
 ; psr, pc, lr, r12, r3, r2, r1, r0 are pushed into [from] stack
     EXPORT PendSV_Handler
 PendSV_Handler:
@@ -104,7 +104,7 @@ PendSV_Handler:
     LDR     r0, =rt_interrupt_from_thread
     LDR     r1, [r0]
     CMP     r1, #0x00
-    BEQ     swtich_to_thread        ; skip register save at the first time
+    BEQ     switch_to_thread        ; skip register save at the first time
 
     MRS     r1, psp                 ; get from thread stack pointer
 
@@ -120,7 +120,7 @@ PendSV_Handler:
     MOV     r7, r11
     STMIA   r1!, {r4 - r7}          ; push thread {r8 - r11} high register to thread stack
 
-swtich_to_thread
+switch_to_thread
     LDR     r1, =rt_interrupt_to_thread
     LDR     r1, [r1]
     LDR     r1, [r1]                ; load thread stack pointer

libcpu/arm/cortex-m0/context_rvds.S

@@ -85,8 +85,8 @@ _reswitch
     BX      LR
     ENDP
 
-; r0 --> swith from thread stack
-; r1 --> swith to thread stack
+; r0 --> switch from thread stack
+; r1 --> switch to thread stack
 ; psr, pc, lr, r12, r3, r2, r1, r0 are pushed into [from] stack
 PendSV_Handler    PROC
     EXPORT PendSV_Handler
@@ -108,7 +108,7 @@ PendSV_Handler    PROC
     LDR     r0, =rt_interrupt_from_thread
     LDR     r1, [r0]
     CMP     r1, #0x00
-    BEQ     swtich_to_thread        ; skip register save at the first time
+    BEQ     switch_to_thread        ; skip register save at the first time
 
     MRS     r1, psp                 ; get from thread stack pointer
 
@@ -124,7 +124,7 @@ PendSV_Handler    PROC
     MOV     r7, r11
     STMIA   r1!, {r4 - r7}          ; push thread {r8 - r11} high register to thread stack
 
-swtich_to_thread
+switch_to_thread
     LDR     r1, =rt_interrupt_to_thread
     LDR     r1, [r1]
     LDR     r1, [r1]                ; load thread stack pointer

libcpu/arm/cortex-m3/context_gcc.S

@@ -80,8 +80,8 @@ _reswitch:
     STR     R1, [R0]
     BX      LR
 
-/* R0 --> swith from thread stack
- * R1 --> swith to thread stack
+/* R0 --> switch from thread stack
+ * R1 --> switch to thread stack
  * psr, pc, LR, R12, R3, R2, R1, R0 are pushed into [from] stack
  */
     .global PendSV_Handler
@@ -102,14 +102,14 @@ PendSV_Handler:
 
     LDR     R0, =rt_interrupt_from_thread
     LDR     R1, [R0]
-    CBZ     R1, swtich_to_thread    /* skip register save at the first time */
+    CBZ     R1, switch_to_thread    /* skip register save at the first time */
 
     MRS     R1, PSP                 /* get from thread stack pointer */
     STMFD   R1!, {R4 - R11}         /* push R4 - R11 register */
     LDR     R0, [R0]
     STR     R1, [R0]                /* update from thread stack pointer */
 
-swtich_to_thread:
+switch_to_thread:
     LDR     R1, =rt_interrupt_to_thread
     LDR     R1, [R1]
     LDR     R1, [R1]                /* load thread stack pointer */

libcpu/arm/cortex-m3/context_iar.S

@@ -81,8 +81,8 @@ _reswitch
     STR     r1, [r0]
     BX      LR
 
-; r0 --> swith from thread stack
-; r1 --> swith to thread stack
+; r0 --> switch from thread stack
+; r1 --> switch to thread stack
 ; psr, pc, lr, r12, r3, r2, r1, r0 are pushed into [from] stack
     EXPORT PendSV_Handler
 PendSV_Handler:
@@ -102,14 +102,14 @@ PendSV_Handler:
 
     LDR     r0, =rt_interrupt_from_thread
     LDR     r1, [r0]
-    CBZ     r1, swtich_to_thread    ; skip register save at the first time
+    CBZ     r1, switch_to_thread    ; skip register save at the first time
 
     MRS     r1, psp                 ; get from thread stack pointer
     STMFD   r1!, {r4 - r11}         ; push r4 - r11 register
     LDR     r0, [r0]
     STR     r1, [r0]                ; update from thread stack pointer
 
-swtich_to_thread
+switch_to_thread
     LDR     r1, =rt_interrupt_to_thread
     LDR     r1, [r1]
     LDR     r1, [r1]                ; load thread stack pointer

libcpu/arm/cortex-m3/context_rvds.S

@@ -84,8 +84,8 @@ _reswitch
     BX      LR
     ENDP
 
-; r0 --> swith from thread stack
-; r1 --> swith to thread stack
+; r0 --> switch from thread stack
+; r1 --> switch to thread stack
 ; psr, pc, lr, r12, r3, r2, r1, r0 are pushed into [from] stack
 PendSV_Handler   PROC
     EXPORT PendSV_Handler
@@ -105,14 +105,14 @@ PendSV_Handler   PROC
 
     LDR     r0, =rt_interrupt_from_thread
     LDR     r1, [r0]
-    CBZ     r1, swtich_to_thread    ; skip register save at the first time
+    CBZ     r1, switch_to_thread    ; skip register save at the first time
 
     MRS     r1, psp                 ; get from thread stack pointer
     STMFD   r1!, {r4 - r11}         ; push r4 - r11 register
     LDR     r0, [r0]
     STR     r1, [r0]                ; update from thread stack pointer
 
-swtich_to_thread
+switch_to_thread
     LDR     r1, =rt_interrupt_to_thread
     LDR     r1, [r1]
     LDR     r1, [r1]                ; load thread stack pointer

libcpu/arm/cortex-m4/context_gcc.S

@@ -82,8 +82,8 @@ _reswitch:
     STR r1, [r0]
     BX  LR
 
-/* r0 --> swith from thread stack
- * r1 --> swith to thread stack
+/* r0 --> switch from thread stack
+ * r1 --> switch to thread stack
  * psr, pc, lr, r12, r3, r2, r1, r0 are pushed into [from] stack
  */
 .global PendSV_Handler
@@ -104,7 +104,7 @@ PendSV_Handler:
 
     LDR r0, =rt_interrupt_from_thread
     LDR r1, [r0]
-    CBZ r1, swtich_to_thread    /* skip register save at the first time */
+    CBZ r1, switch_to_thread    /* skip register save at the first time */
 
     MRS r1, psp                 /* get from thread stack pointer */
     
@@ -127,7 +127,7 @@ PendSV_Handler:
     LDR r0, [r0]
     STR r1, [r0]                /* update from thread stack pointer */
 
-swtich_to_thread:
+switch_to_thread:
     LDR r1, =rt_interrupt_to_thread
     LDR r1, [r1]
     LDR r1, [r1]                /* load thread stack pointer */

libcpu/arm/cortex-m4/context_iar.S

@@ -82,8 +82,8 @@ _reswitch
     STR     r1, [r0]
     BX      LR
 
-; r0 --> swith from thread stack
-; r1 --> swith to thread stack
+; r0 --> switch from thread stack
+; r1 --> switch to thread stack
 ; psr, pc, lr, r12, r3, r2, r1, r0 are pushed into [from] stack
     EXPORT PendSV_Handler
 PendSV_Handler:
@@ -103,7 +103,7 @@ PendSV_Handler:
 
     LDR     r0, =rt_interrupt_from_thread
     LDR     r1, [r0]
-    CBZ     r1, swtich_to_thread    ; skip register save at the first time
+    CBZ     r1, switch_to_thread    ; skip register save at the first time
 
     MRS     r1, psp                 ; get from thread stack pointer
 
@@ -130,7 +130,7 @@ push_flag
     LDR     r0, [r0]
     STR     r1, [r0]                ; update from thread stack pointer
 
-swtich_to_thread
+switch_to_thread
     LDR     r1, =rt_interrupt_to_thread
     LDR     r1, [r1]
     LDR     r1, [r1]                ; load thread stack pointer

libcpu/arm/cortex-m4/context_rvds.S

@@ -85,8 +85,8 @@ _reswitch
     BX      LR
     ENDP
 
-; r0 --> swith from thread stack
-; r1 --> swith to thread stack
+; r0 --> switch from thread stack
+; r1 --> switch to thread stack
 ; psr, pc, lr, r12, r3, r2, r1, r0 are pushed into [from] stack
 PendSV_Handler   PROC
     EXPORT PendSV_Handler
@@ -106,7 +106,7 @@ PendSV_Handler   PROC
 
     LDR     r0, =rt_interrupt_from_thread
     LDR     r1, [r0]
-    CBZ     r1, swtich_to_thread    ; skip register save at the first time
+    CBZ     r1, switch_to_thread    ; skip register save at the first time
 
     MRS     r1, psp                 ; get from thread stack pointer
 
@@ -129,7 +129,7 @@ PendSV_Handler   PROC
     LDR     r0, [r0]
     STR     r1, [r0]                ; update from thread stack pointer
 
-swtich_to_thread
+switch_to_thread
     LDR     r1, =rt_interrupt_to_thread
     LDR     r1, [r1]
     LDR     r1, [r1]                ; load thread stack pointer

src/device.c

@@ -79,45 +79,12 @@ RTM_EXPORT(rt_device_unregister);
  * This function initializes all registered device driver
  *
  * @return the error code, RT_EOK on successfully.
+ *
+ * @deprecated since 1.2.3, this function is not needed because the initialization 
+ *             of a device is performed when applicaiton opens it.
  */
 rt_err_t rt_device_init_all(void)
 {
-    struct rt_device *device;
-    struct rt_list_node *node;
-    struct rt_object_information *information;
-    register rt_err_t result;
-
-    extern struct rt_object_information rt_object_container[];
-
-    information = &rt_object_container[RT_Object_Class_Device];
-
-    /* for each device */
-    for (node  = information->object_list.next;
-         node != &(information->object_list);
-         node  = node->next)
-    {
-        rt_err_t (*init)(rt_device_t dev);
-        device = (struct rt_device *)rt_list_entry(node,
-                                                   struct rt_object,
-                                                   list);
-
-        /* get device init handler */
-        init = device->init;
-        if (init != RT_NULL && !(device->flag & RT_DEVICE_FLAG_ACTIVATED))
-        {
-            result = init(device);
-            if (result != RT_EOK)
-            {
-                rt_kprintf("To initialize device:%s failed. The error code is %d\n",
-                           device->parent.name, result);
-            }
-            else
-            {
-                device->flag |= RT_DEVICE_FLAG_ACTIVATED;
-            }
-        }
-    }
-
     return RT_EOK;
 }
 
@@ -395,8 +362,8 @@ rt_err_t rt_device_control(rt_device_t dev, rt_uint8_t cmd, void *arg)
 RTM_EXPORT(rt_device_control);
 
 /**
- * This function will set the indication callback function when device receives
- * data.
+ * This function will set the reception indication callback function. This callback function
+ * is invoked when this device receives data.
  *
  * @param dev the pointer of device driver structure
  * @param rx_ind the indication callback function

src/idle.c

@@ -67,6 +67,20 @@ void rt_thread_idle_sethook(void (*hook)(void))
 /*@}*/
 #endif
 
+/* Return whether there is defunctional thread to be deleted. */
+rt_inline int _has_defunct_thread(void)
+{
+    /* The rt_list_isempty has prototype of "int rt_list_isempty(const rt_list_t *l)".
+     * So the compiler has a good reason that the rt_thread_defunct list does
+     * not change within rt_thread_idle_excute thus optimize the "while" loop
+     * into a "if".
+     *
+     * So add the volatile qualifier here. */
+    const volatile rt_list_t *l = (const volatile rt_list_t*)&rt_thread_defunct;
+
+    return l->next != l;
+}
+
 /**
  * @ingroup Thread
  *
@@ -76,7 +90,7 @@ void rt_thread_idle_excute(void)
 {
     /* Loop until there is no dead thread. So one call to rt_thread_idle_excute
      * will do all the cleanups. */
-    while (!rt_list_isempty(&rt_thread_defunct))
+    while (_has_defunct_thread())
     {
         rt_base_t lock;
         rt_thread_t thread;
@@ -89,7 +103,7 @@ void rt_thread_idle_excute(void)
         lock = rt_hw_interrupt_disable();
 
         /* re-check whether list is empty */
-        if (!rt_list_isempty(&rt_thread_defunct))
+        if (_has_defunct_thread())
         {
             /* get defunct thread */
             thread = rt_list_entry(rt_thread_defunct.next,
@@ -180,7 +194,7 @@ static void rt_thread_idle_entry(void *parameter)
 }
 
 /**
- * @ingroup SymstemInit
+ * @ingroup SystemInit
  *
  * This function will initialize idle thread, then start it.
  *

src/kservice.c

@@ -1072,8 +1072,8 @@ rt_device_t rt_console_set_device(const char *name)
         }
 
         /* set new console device */
+        rt_device_open(new, RT_DEVICE_OFLAG_RDWR | RT_DEVICE_FLAG_STREAM);
         _console_device = new;
-        rt_device_open(_console_device, RT_DEVICE_OFLAG_RDWR);
     }
 
     return old;

src/mem.c

@@ -176,10 +176,10 @@ static void plug_holes(struct heap_mem *mem)
 /**
  * @ingroup SystemInit
  *
- * This function will init system heap
+ * This function will initialize system heap memory.
  *
- * @param begin_addr the beginning address of system page
- * @param end_addr the end address of system page
+ * @param begin_addr the beginning address of system heap memory.
+ * @param end_addr the end address of system heap memory.
  */
 void rt_system_heap_init(void *begin_addr, void *end_addr)
 {

src/memheap.c

@@ -517,6 +517,8 @@ void rt_memheap_free(void *ptr)
 
     /* check magic */
     RT_ASSERT((header_ptr->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC);
+    /* check whether this block of memory has been over-written. */
+    RT_ASSERT((header_ptr->next->magic & RT_MEMHEAP_MASK) == RT_MEMHEAP_MAGIC);
 
     /* get pool ptr */
     heap = header_ptr->pool_ptr;

src/mempool.c

@@ -323,23 +323,15 @@ void *rt_mp_alloc(rt_mp_t mp, rt_int32_t time)
     rt_uint8_t *block_ptr;
     register rt_base_t level;
     struct rt_thread *thread;
+    rt_uint32_t before_sleep = 0;
+
+    /* get current thread */
+    thread = rt_thread_self();
 
     /* disable interrupt */
     level = rt_hw_interrupt_disable();
 
-    if (mp->block_free_count)
-    {
-        /* memory block is available. decrease the free block counter */
-        mp->block_free_count --;
-
-        /* get block from block list */
-        block_ptr      = mp->block_list;
-        mp->block_list = *(rt_uint8_t **)block_ptr;
-
-        /* point to memory pool */
-        *(rt_uint8_t **)block_ptr = (rt_uint8_t *)mp;
-    }
-    else
+    while (mp->block_free_count == 0)
     {
         /* memory block is unavailable. */
         if (time == 0)
@@ -347,55 +339,64 @@ void *rt_mp_alloc(rt_mp_t mp, rt_int32_t time)
             /* enable interrupt */
             rt_hw_interrupt_enable(level);
 
+            rt_set_errno(-RT_ETIMEOUT);
+
             return RT_NULL;
         }
-        else
+
+        RT_DEBUG_NOT_IN_INTERRUPT;
+
+        thread->error = RT_EOK;
+
+        /* need suspend thread */
+        rt_thread_suspend(thread);
+        rt_list_insert_after(&(mp->suspend_thread), &(thread->tlist));
+        mp->suspend_thread_count++;
+
+        if (time > 0)
         {
-            RT_DEBUG_NOT_IN_INTERRUPT;
+            /* get the start tick of timer */
+            before_sleep = rt_tick_get();
 
-            /* get current thread */
-            thread = rt_thread_self();
-
-            thread->error = RT_EOK;
-
-            /* need suspend thread */
-            rt_thread_suspend(thread);
-            rt_list_insert_after(&(mp->suspend_thread), &(thread->tlist));
-            mp->suspend_thread_count ++;
-
-            if (time > 0)
-            {
-                /* init thread timer and start it */
-                rt_timer_control(&(thread->thread_timer),
-                                 RT_TIMER_CTRL_SET_TIME,
-                                 &time);
-                rt_timer_start(&(thread->thread_timer));
-            }
-
-            /* enable interrupt */
-            rt_hw_interrupt_enable(level);
-
-            /* do a schedule */
-            rt_schedule();
-
-            if (thread->error != RT_EOK)
-                return RT_NULL;
-
-            /* disable interrupt */
-            level = rt_hw_interrupt_disable();
-
-            /* decrease free block */
-            mp->block_free_count --;
-
-            /* get block from block list */
-            block_ptr      = mp->block_list;
-            mp->block_list = *(rt_uint8_t **)block_ptr;
-
-            /* point to memory pool */
-            *(rt_uint8_t **)block_ptr = (rt_uint8_t *)mp;
+            /* init thread timer and start it */
+            rt_timer_control(&(thread->thread_timer),
+                             RT_TIMER_CTRL_SET_TIME,
+                             &time);
+            rt_timer_start(&(thread->thread_timer));
         }
+
+        /* enable interrupt */
+        rt_hw_interrupt_enable(level);
+
+        /* do a schedule */
+        rt_schedule();
+
+        if (thread->error != RT_EOK)
+            return RT_NULL;
+
+        if (time > 0)
+        {
+            time -= rt_tick_get() - before_sleep;
+            if (time < 0)
+                time = 0;
+        }
+        /* disable interrupt */
+        level = rt_hw_interrupt_disable();
     }
 
+    /* memory block is available. decrease the free block counter */
+    mp->block_free_count--;
+
+    /* get block from block list */
+    block_ptr = mp->block_list;
+    RT_ASSERT(block_ptr != RT_NULL);
+
+    /* Setup the next free node. */
+    mp->block_list = *(rt_uint8_t **)block_ptr;
+
+    /* point to memory pool */
+    *(rt_uint8_t **)block_ptr = (rt_uint8_t *)mp;
+
     /* enable interrupt */
     rt_hw_interrupt_enable(level);
 

src/module.c

@@ -82,7 +82,7 @@ static struct rt_module_symtab *_rt_module_symtab_end   = RT_NULL;
  */
 int rt_system_module_init(void)
 {
-#ifdef __GNUC__
+#if defined(__GNUC__) && !defined(__CC_ARM)
     extern int __rtmsymtab_start;
     extern int __rtmsymtab_end;
 
@@ -1120,8 +1120,8 @@ rt_module_t rt_module_open(const char *path)
  * This function will do a excutable program with main function and parameters.
  *
  * @param path the full path of application module
- * @cmd_line the command line of program
- * @size the size of command line of program
+ * @param cmd_line the command line of program
+ * @param size the size of command line of program
  *
  * @return the module object
  */

src/module.h

@@ -239,7 +239,7 @@ typedef struct
 #define SHT_DYNAMIC             6              /* dynamic section */
 #define SHT_NOTE                7              /* note section */
 #define SHT_NOBITS              8              /* no space section */
-#define SHT_REL                 9              /* relation section without addends */
+#define SHT_REL                 9              /* relocation section without addends */
 #define SHT_SHLIB               10             /* reserved - purpose unknown */
 #define SHT_DYNSYM              11             /* dynamic symbol table section */
 #define SHT_NUM                 12             /* number of section types */

tools/building.py

@@ -12,24 +12,41 @@ Env = None
 
 class Win32Spawn:
     def spawn(self, sh, escape, cmd, args, env):
+        # deal with the cmd build-in commands which cannot be used in
+        # subprocess.Popen
+        if cmd == 'del':
+            for f in args[1:]:
+                try:
+                    os.remove(f)
+                except Exception as e:
+                    print 'Error removing file: %s' % e
+                    return -1
+            return 0
+
         import subprocess
 
         newargs = string.join(args[1:], ' ')
         cmdline = cmd + " " + newargs
-        startupinfo = subprocess.STARTUPINFO()
 
-        proc = subprocess.Popen(cmdline, stdin=subprocess.PIPE, stdout=subprocess.PIPE,
-            stderr=subprocess.PIPE, startupinfo=startupinfo, shell = False)
-        data, err = proc.communicate()
-        rv = proc.wait()
-        if data:
-            print data
-        if err:
-            print err
+        # Make sure the env is constructed by strings
+        _e = dict([(k, str(v)) for k, v in env.items()])
 
-        if rv:
-            return rv
-        return 0
+        # Windows(tm) CreateProcess does not use the env passed to it to find
+        # the executables. So we have to modify our own PATH to make Popen
+        # work.
+        old_path = os.environ['PATH']
+        os.environ['PATH'] = _e['PATH']
+
+        try:
+            proc = subprocess.Popen(cmdline, env=_e, shell=False)
+        except Exception as e:
+            print 'Error in calling:\n%s' % cmdline
+            print 'Exception: %s: %s' % (e, os.strerror(e.errno))
+            return e.errno
+        finally:
+            os.environ['PATH'] = old_path
+
+        return proc.wait()
 
 def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = []):
     import SCons.cpp
@@ -59,11 +76,11 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
         env['LIBDIRPREFIX'] = '--userlibpath '
 
     # patch for win32 spawn
-    if env['PLATFORM'] == 'win32' and rtconfig.PLATFORM == 'gcc':
+    if env['PLATFORM'] == 'win32':
         win32_spawn = Win32Spawn()
         win32_spawn.env = env
         env['SPAWN'] = win32_spawn.spawn
-    
+
     if env['PLATFORM'] == 'win32':
         os.environ['PATH'] = rtconfig.EXEC_PATH + ";" + os.environ['PATH']
     else:
@@ -192,18 +209,23 @@ def PrepareBuilding(env, root_directory, has_libcpu=False, remove_components = [
             LINKCOMSTR = 'LINK $TARGET'
         )
 
+    # we need to seperate the variant_dir for BSPs and the kernels. BSPs could
+    # have their own components etc. If they point to the same folder, SCons
+    # would find the wrong source code to compile.
+    bsp_vdir = 'build/bsp'
+    kernel_vdir = 'build/kernel'
     # board build script
-    objs = SConscript('SConscript', variant_dir='build', duplicate=0)
-    Repository(Rtt_Root)
+    objs = SConscript('SConscript', variant_dir=bsp_vdir, duplicate=0)
     # include kernel
-    objs.extend(SConscript(Rtt_Root + '/src/SConscript', variant_dir='build/src', duplicate=0))
+    objs.extend(SConscript(Rtt_Root + '/src/SConscript', variant_dir=kernel_vdir + '/src', duplicate=0))
     # include libcpu
     if not has_libcpu:
-        objs.extend(SConscript(Rtt_Root + '/libcpu/SConscript', variant_dir='build/libcpu', duplicate=0))
+        objs.extend(SConscript(Rtt_Root + '/libcpu/SConscript',
+                    variant_dir=kernel_vdir + '/libcpu', duplicate=0))
 
     # include components
     objs.extend(SConscript(Rtt_Root + '/components/SConscript',
-                           variant_dir='build/components',
+                           variant_dir=kernel_vdir + '/components',
                            duplicate=0,
                            exports='remove_components'))
 
@@ -415,12 +437,6 @@ def DoBuilding(target, objects):
 
                 break
     else:
-        # merge the repeated items in the Env
-        if Env.has_key('CPPPATH')   : Env['CPPPATH'] = list(set(Env['CPPPATH']))
-        if Env.has_key('CPPDEFINES'): Env['CPPDEFINES'] = list(set(Env['CPPDEFINES']))
-        if Env.has_key('LIBPATH')   : Env['LIBPATH'] = list(set(Env['LIBPATH']))
-        if Env.has_key('LIBS')      : Env['LIBS'] = list(set(Env['LIBS']))
-
         program = Env.Program(target, objects)
 
     EndBuilding(target, program)
@@ -479,6 +495,9 @@ def EndBuilding(target, program = None):
         CscopeDatabase(Projects)
 
 def SrcRemove(src, remove):
+    if not src:
+        return
+
     if type(src[0]) == type('str'):
         for item in src:
             if os.path.basename(item) in remove:

tools/keil.py

@@ -107,6 +107,7 @@ def MDK4Project(target, script):
     groups = tree.find('Targets/Target/Groups')
     if groups is None:
         groups = SubElement(tree.find('Targets/Target'), 'Groups')
+    groups.clear() # clean old groups
     for group in script:
         group_xml = MDK4AddGroup(ProjectFiles, groups, group['name'], group['src'], project_path)
         
@@ -142,33 +143,20 @@ def MDK4Project(target, script):
                 if lib_path != '':
                     MDK4AddGroupForFN(ProjectFiles, groups, group['name'], lib_path, project_path)
 
-    # remove repeat path
-    paths = set()
-    for path in CPPPATH:
-        inc = _make_path_relative(project_path, os.path.normpath(path))
-        paths.add(inc) #.replace('\\', '/')
-    
-    paths = [i for i in paths]
-    paths.sort()
-    CPPPATH = string.join(paths, ';')
-    
-    definitions = [i for i in set(CPPDEFINES)]
-    CPPDEFINES = string.join(definitions, ', ')
-    
     # write include path, definitions and link flags
     IncludePath = tree.find('Targets/Target/TargetOption/TargetArmAds/Cads/VariousControls/IncludePath')
-    IncludePath.text = CPPPATH
-    
+    IncludePath.text = ';'.join([_make_path_relative(project_path, os.path.normpath(i)) for i in CPPPATH])
+
     Define = tree.find('Targets/Target/TargetOption/TargetArmAds/Cads/VariousControls/Define')
-    Define.text = CPPDEFINES
+    Define.text = ', '.join(set(CPPDEFINES))
 
     Misc = tree.find('Targets/Target/TargetOption/TargetArmAds/LDads/Misc')
     Misc.text = LINKFLAGS
-    
+
     xml_indent(root)
     out.write(etree.tostring(root, encoding='utf-8'))
     out.close()
-    
+
     # copy uvopt file
     if os.path.exists('template.uvopt'):
         import shutil