IAR执行finsh,不管执行什么函数都是返回Null node

发布于 2012-03-08 16:29:16 浏览：3771 订阅该版

4 个回答

aozima 2012-03-08

调网络不抓包，调I2C等时序不上逻辑分析仪，就像电工不用万用表！多用整理的好的文字，比截图更省流量，还能在整理过程中思考。

xiao苦 2012-03-08

这家伙很懒，什么也没写！

```
/ ID Code Protection
define exported symbol __ID_BYTES_1_4   = 0xFFFFFFFF;
define exported symbol __ID_BYTES_5_8   = 0xFFFFFFFF;
define exported symbol __ID_BYTES_9_12  = 0xFFFFFFFF;
define exported symbol __ID_BYTES_13_16 = 0xFFFFFFFF;

define region ROM_region16 = mem:[from 0xFFFF8000 to 0xFFFFFFFF];
define region RAM_region16 = mem:[from 0x00000004 to 0x00007FFF];
define region ROM_region24 = mem:[from 0xFFF80000 to 0xFFFFFFFF];
define region RAM_region24 = mem:[from 0x00000004 to 0x00017FFF];
define region ROM_region32 = mem:[from 0xFFF80000 to 0xFFFFFFFF];
define region RAM_region32 = mem:[from 0x00000004 to 0x00017FFF];
define region DATA_FLASH_region = mem:[from 0x00100000 to 0x00107FFF];

initialize by copy { rw, ro section D, ro section D_1, ro section D_2 };
do not initialize  { section .*.noinit };

define block HEAP     with alignment = 4, size = _HEAP_SIZE { };
define block USTACK   with alignment = 4, size = _USTACK_SIZE { };
define block ISTACK   with alignment = 4, size = _ISTACK_SIZE { };

define block STACKS with fixed order { block ISTACK,
                                       block USTACK };
keep { section FSymTab };
keep { section VSymTab };                                      
place at address mem:0xFFFFFF80 { ro section .nmivec };
"ROM16":place in ROM_region16        { ro section .code16*,
                                       ro section .data16* };
"RAM16":place in RAM_region16        { rw section .data16*,
                                       rw section __DLIB_PERTHREAD };
"ROM24":place in ROM_region24        { ro section .code24*,
                                       ro section .data24* };
"RAM24":place in RAM_region24        { rw section .data24* };
"ROM32":place in ROM_region32        { ro };
"RAM32":place in RAM_region32        { rw,
                                       ro section D,
                                       ro section D_1,
                                       ro section D_2,
                                       block STACKS,
				       last block HEAP};

"DATAFLASH":place in DATA_FLASH_region    
                                     { ro section .dataflash* };
```

已经加了的，结果就是这样，要不我就不用来问了。

xiao苦 2012-03-08

这家伙很懒，什么也没写！

问题解决，原因在于虽然keep了，但是没有放在程序区，说到底还是对这么IDE的设置不熟，这片芯片我只是知道能在IAR上跑，却不知道icf到底是什么，为什么要这个。现在资料是肯定找不到的，只能自己推，好在是推出来了。

```
// ID Code Protection
define exported symbol __ID_BYTES_1_4   = 0xFFFFFFFF;
define exported symbol __ID_BYTES_5_8   = 0xFFFFFFFF;
define exported symbol __ID_BYTES_9_12  = 0xFFFFFFFF;
define exported symbol __ID_BYTES_13_16 = 0xFFFFFFFF;

initialize by copy { rw, ro section D, ro section D_1, ro section D_2 };
do not initialize  { section .*.noinit };

define block HEAP     with alignment = 4, size = _HEAP_SIZE { };
define block USTACK   with alignment = 4, size = _USTACK_SIZE { };
define block ISTACK   with alignment = 4, size = _ISTACK_SIZE { };

define block STACKS with fixed order { block ISTACK,
                                       block USTACK };
keep { section FSymTab };
keep { section VSymTab };
place at address mem:0xFFFFFF80 { ro section .nmivec };
"ROM16":place in ROM_region16        { ro section .code16*,
                                       ro section .data16* };
"RAM16":place in RAM_region16        { rw section .data16*,
                                       rw section __DLIB_PERTHREAD };
"ROM24":place in ROM_region24        { ro section .code24*,
                                       ro section .data24* };
"RAM24":place in RAM_region24        { rw section .data24* };
"ROM32":place in ROM_region32        {ro,
							          ro section FSymTab,
									  ro section VSymTab,
									};
"RAM32":place in RAM_region32        { rw, 
                                       ro section D,
                                       ro section D_1,
                                       ro section D_2,
                                       block STACKS,
				       				   last block HEAP};

"DATAFLASH":place in DATA_FLASH_region
                                     { ro section .dataflash* };
```