mega16 data区

只看该作者 · 2012-7-6 08:43

我知道，keilc51里，编译完以后，可以查看程序需要多少ram，多少FLASH。

请问在ICCAVR里面怎么看？
我用m16，结果今天编译的时候说
E <library>(358): area 'data' not large enough

不知道是不是FLASH不够用了。c源程序不到600行左右。
应该怎么修改呢
求高人指导下这部分知识

只看该作者 · 2012-7-6 08:46

请问idata和data都是ram空间吗？vector是中断向量表占的空间吗？
text呢？
那到底占用FLASH.html">FLASH空间的是哪个？
谢谢！
NOTE: AVR Code addresses are word addresses
All other addresses (including ones in FLASH) are byte addresses

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        idata 0026 0260 = 608. bytes (rel,con,rom)

   Addr  GLOBAL Symbol
   -----  --------------------------------
   0026  __idata_start
   0286  __idata_end

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        text 0286 0146 = 326. bytes (rel,con,rom)

   Addr  GLOBAL Symbol
   -----  --------------------------------
   0143  __start
   0143  __text_start
   0162  _exit
   0163  _putchar
   0169  _putstr
   0177  _mainmenu
   01CE  _main
   01CF  push_gset1
   01D2  pop_gset1
   01D3  pop
   01E6  __text_end

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        data 0060 0260 = 608. bytes (rel,con,ram)

   Addr  GLOBAL Symbol
   -----  --------------------------------
   0060  __data_start
   02C0  __data_end

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        vector 0000 0002 =    2. bytes (abs,ovr,rom)

Files Linked    [ MODULE(s) ]

C:\icc\lib\crtAVR.o [ crtavr.s ]
menu.o [ menu.c ]
<library> [ gpush.s ]

User GLOBAL Definitions

ram_end = 0x45f
hwstk_size = 0x10

User Base Address Definitions

func_lit = 0x26
data = 0x60
EEPROM:1.512

只看该作者 · 2012-7-6 08:47

请问idata和data都是ram空间吗？vector是中断向量表占的空间吗？
text呢？
那到底占用FLASH.html">FLASH空间的是哪个？
谢谢！
NOTE: AVR Code addresses are word addresses
All other addresses (including ones in FLASH) are byte addresses

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        idata 0026 0260 = 608. bytes (rel,con,rom)

   Addr  GLOBAL Symbol
   -----  --------------------------------
   0026  __idata_start
   0286  __idata_end

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        text 0286 0146 = 326. bytes (rel,con,rom)

   Addr  GLOBAL Symbol
   -----  --------------------------------
   0143  __start
   0143  __text_start
   0162  _exit
   0163  _putchar
   0169  _putstr
   0177  _mainmenu
   01CE  _main
   01CF  push_gset1
   01D2  pop_gset1
   01D3  pop
   01E6  __text_end

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        data 0060 0260 = 608. bytes (rel,con,ram)

   Addr  GLOBAL Symbol
   -----  --------------------------------
   0060  __data_start
   02C0  __data_end

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        vector 0000 0002 =    2. bytes (abs,ovr,rom)

Files Linked    [ MODULE(s) ]

C:\icc\lib\crtAVR.o [ crtavr.s ]
menu.o [ menu.c ]
<library> [ gpush.s ]

User GLOBAL Definitions

ram_end = 0x45f
hwstk_size = 0x10

User Base Address Definitions

func_lit = 0x26
data = 0x60
EEPROM:1.512

只看该作者 · 2012-7-6 09:00

请问idata和data都是ram空间吗？vector是中断向量表占的空间吗？
text呢？
那到底占用FLASH.html">FLASH空间的是哪个？
谢谢！
NOTE: AVR Code addresses are word addresses
All other addresses (including ones in FLASH) are byte addresses

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        idata 0026 0260 = 608. bytes (rel,con,rom)

   Addr  GLOBAL Symbol
   -----  --------------------------------
   0026  __idata_start
   0286  __idata_end

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        text 0286 0146 = 326. bytes (rel,con,rom)

   Addr  GLOBAL Symbol
   -----  --------------------------------
   0143  __start
   0143  __text_start
   0162  _exit
   0163  _putchar
   0169  _putstr
   0177  _mainmenu
   01CE  _main
   01CF  push_gset1
   01D2  pop_gset1
   01D3  pop
   01E6  __text_end

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        data 0060 0260 = 608. bytes (rel,con,ram)

   Addr  GLOBAL Symbol
   -----  --------------------------------
   0060  __data_start
   02C0  __data_end

Area                            Addr Size Decimal Bytes (Attributes)
-------------------------------- ---- ---- ------- ----- ------------
                        vector 0000 0002 =    2. bytes (abs,ovr,rom)

Files Linked    [ MODULE(s) ]

C:\icc\lib\crtAVR.o [ crtavr.s ]
menu.o [ menu.c ]
<library> [ gpush.s ]

User GLOBAL Definitions

ram_end = 0x45f
hwstk_size = 0x10

User Base Address Definitions

func_lit = 0x26
data = 0x60
EEPROM:1.512

只看该作者 · 2012-7-31 14:09

1# haojie6

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