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8 F, m! L% e w! smain里调用函数跳转到APP地址0x8003000
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- I# m8 d! k7 ^" u, K' W- typedef void (*pFunction)(void);
复制代码- #define ApplicationAddress 0x8003000
复制代码- void UserAppStart(void)
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- if (((*(__IO uint32_t*)ApplicationAddress) & 0x2FFE0000 ) == 0x20000000)
6 b" n& I9 s9 _0 d - {
: Y! D: p5 T$ b( O2 V. a - /* Jump to user application */
, h; a- o4 R) q - JumpAddress = *(__IO uint32_t*) (ApplicationAddress + 4);) X% S2 e! q7 P& u. ]5 d3 z- _
- Jump_To_Application = (pFunction) JumpAddress;
) P) i3 r2 R) e2 k* }6 t, A - /* Initialize user application's Stack Pointer */
5 ?- H- E: g7 g+ {' Y - __set_MSP(*(__IO uint32_t*) ApplicationAddress);* [ d/ o* x8 a: U! g
- Jump_To_Application();
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- }
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. x: E% X2 j2 }APP:
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main 函数添加, b) `5 S, Q; H9 u3 n
0 a: v' `' ^2 s3 k$ G; K" T3 m0 ]- #define APPLICATION_ADDRESS ((uint32_t)0x08003000)4 K7 ^7 c0 n9 ?, S& r
- #if (defined ( __CC_ARM ))
* h/ B- D& x1 s8 z3 F - __IO uint32_t VectorTable[48] __attribute__((at(0x20000000)));+ i E) m' }/ K( Y3 _
- #elif (defined (__ICCARM__))6 y3 n/ m, ^, ?+ m) f$ a) z4 b
- #pragma location = 0x20000000( e% {7 a. U5 o1 g- f% X
- __no_init __IO uint32_t VectorTable[48];, d3 \" R/ M0 F) G
- #elif defined ( __GNUC__ )
, {! I9 E# q. S' M/ E z - __IO uint32_t VectorTable[48] __attribute__((section(".RAMVectorTable")));
) [1 u& f) s" m! {: y! Q2 m - #elif defined ( __TASKING__ )
* g: z+ W& Q. m9 v4 m - __IO uint32_t VectorTable[48] __at(0x20000000);. `. W- b- H2 g
- #endif
复制代码- /* USER CODE BEGIN 1 */
6 i6 ?7 R6 D" e( T7 ^& ?1 \: e - uint32_t i = 0;
复制代码- /* Relocate by software the vector table to the internal SRAM at 0x20000000 ***/ 4 J; Y0 V1 `) M, k: A+ |+ C T
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6 b& y Y' N/ B1 }3 U - /* Copy the vector table from the Flash (mapped at the base of the application
/ `2 `3 O8 R# M8 w1 P- v, j - load address 0x08003000) to the base address of the SRAM at 0x20000000. */
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# ^; K2 Y( I- O. }- B- for(i = 0; i < 48; i++)+ H' ]5 Y7 k/ v' B5 [
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- VectorTable<i> = *(__IO uint32_t*)(APPLICATION_ADDRESS + (i<<2));</i>
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- // Enable the SYSCFG peripheral clock
# I) y8 _: Y9 X5 I) J Q* }1 f" E - __HAL_RCC_SYSCFG_CLK_ENABLE();) K* f3 N) M8 X: Q. {2 x6 Z
- // Remap SRAM at 0x00000000
复制代码- __HAL_SYSCFG_REMAPMEMORY_SRAM();
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在Keil下设置IROM1:start 0x8003000 IRAM1:Start 0x200000C0
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# |- p7 l( G" w1 e8 nstm32f0 没有中断偏移寄存器,所以将中断向量表读取到RAM中,然后重映射到RAM地址.
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