由于STM32H750的RAM是分段不连续,我只能将外部Flash程序分开搬到RAM中运行。测试只搬一两个简单函数是没有问题。程序量大后就不正常,仿真查看程序内容发现MCU跳转的地址和实际地址对不上。例如MCU调用函数地址为0x30000000,实际函数的地址可能是0x30000001或者是其他地址。 下面是RAM拷贝的程序和ICF的配置 RCC->AHB2ENR |= 0xE0000000; // 使能SRAM1、SRAM2、SRAM3 #if 1 src = (uint8_t *) __section_begin("USER_PRG1_RBLOCK"); dst = (uint8_t *) __section_begin("USER_PRG1_WBLOCK"); size = (uint32_t) __section_size("USER_PRG1_WBLOCK"); bsp_copy_4byte(src, dst, size); RAM_Fault_Cnt_DW(src, dst, size); #endif #if 1 src = (uint8_t *) __section_begin("USER_PRG2_RBLOCK"); dst = (uint8_t *) __section_begin("USER_PRG2_WBLOCK"); size = (uint32_t) __section_size("USER_PRG2_RBLOCK"); //if (0 != ((uint32_t)src&0x01)) { //src += 1; } bsp_copy_4byte(src, dst, size); RAM_Fault_Cnt_DW(src, dst, size); #endif #if 1 src = (uint8_t *) __section_begin("USER_PRG3_RBLOCK"); dst = (uint8_t *) __section_begin("USER_PRG3_WBLOCK"); size = (uint32_t) __section_size("USER_PRG3_WBLOCK"); bsp_copy_4byte(src, dst, size); RAM_Fault_Cnt_DW(src, dst, size); #endif |
NUCLEO-H7A3ZI-Q配置RCC出问题
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STM320H750 USB 通讯必须插拔一次才正常
/*-Editor annotation file-*/
/* IcfEditorFile="$TOOLKIT_DIR$\config\ide\IcfEditor\cortex_v1_0.xml" */
/*-Specials-*/
define symbol __ICFEDIT_intvec_start__ = 0x90000000;
/*-Memory Regions-*/
define symbol __ICFEDIT_region_ROM_start__ = 0x90000000;
define symbol __ICFEDIT_region_ROM_end__ = 0x90047FFF;
//define symbol __ICFEDIT_region_ROM1_start__ = 0x90018000;
//define symbol __ICFEDIT_region_ROM1_end__ = 0x90027FFF;
//define symbol __ICFEDIT_region_ROM2_start__ = 0x90028000;
//define symbol __ICFEDIT_region_ROM2_end__ = 0x90037FFF;
//define symbol __ICFEDIT_region_ROM3_start__ = 0x90038000;
//define symbol __ICFEDIT_region_ROM3_end__ = 0x90047FFF;
define symbol __ICFEDIT_region_RAM_start__ = 0x20000000;
define symbol __ICFEDIT_region_RAM_end__ = 0x2001FFFF;
define symbol __ICFEDIT_region_CODERAM1_start__ = 0x24000000;
define symbol __ICFEDIT_region_CODERAM1_end__ = 0x2407FFFF;
define symbol __ICFEDIT_region_CODERAM2_start__ = 0x30000000;
define symbol __ICFEDIT_region_CODERAM2_end__ = 0x30047FFF;
define symbol __ICFEDIT_region_CODERAM3_start__ = 0x38000000;
define symbol __ICFEDIT_region_CODERAM3_end__ = 0x3800FFFF;
define symbol __ICFEDIT_region_ITCMRAM_start__ = 0x00000000;
define symbol __ICFEDIT_region_ITCMRAM_end__ = 0x0000FFFF;
/*-Sizes-*/
define symbol __ICFEDIT_size_cstack__ = 0x4000;
define symbol __ICFEDIT_size_heap__ = 0x2000;
/**** End of ICF editor section. ###ICF###*/
define memory mem with size = 4G;
define region ROM_region = mem:[from __ICFEDIT_region_ROM_start__ to __ICFEDIT_region_ROM_end__];
//define region CODEROM1_region = mem:[from __ICFEDIT_region_ROM1_start__ to __ICFEDIT_region_ROM1_end__];
//define region CODEROM2_region = mem:[from __ICFEDIT_region_ROM2_start__ to __ICFEDIT_region_ROM2_end__];
//define region CODEROM3_region = mem:[from __ICFEDIT_region_ROM3_start__ to __ICFEDIT_region_ROM3_end__];
define region RAM_region = mem:[from __ICFEDIT_region_RAM_start__ to __ICFEDIT_region_RAM_end__];
define region CODERAM1_region = mem:[from __ICFEDIT_region_CODERAM1_start__ to __ICFEDIT_region_CODERAM1_end__];
define region CODERAM2_region = mem:[from __ICFEDIT_region_CODERAM2_start__ to __ICFEDIT_region_CODERAM2_end__];
define region CODERAM3_region = mem:[from __ICFEDIT_region_CODERAM3_start__ to __ICFEDIT_region_CODERAM3_end__];
define region ITCMRAM_region = mem:[from __ICFEDIT_region_ITCMRAM_start__ to __ICFEDIT_region_ITCMRAM_end__];
define block CSTACK with alignment = 8, size = __ICFEDIT_size_cstack__ { };
define block HEAP with alignment = 8, size = __ICFEDIT_size_heap__ { };
initialize by copy { readwrite,};
do not initialize { section .noinit };
place at address mem:__ICFEDIT_intvec_start__ { readonly section .intvec };
//--------------------------------------------------
initialize by copy
{
ro code object stm32h7xx_hal_gpio.o,
};
initialize by copy
{
ro code object delay.o,
};
initialize by copy
{
ro code object beep.o,
//section RAMCODE,
};
//-----------------512K AXISRAM-------------------
define block USER_PRG1_RBLOCK
{
ro code object delay.o,
//ro code object stm32h7xx_hal_gpio.o,
};
define block USER_PRG1_WBLOCK
{
rw code object delay.o,
//rw code object stm32h7xx_hal_gpio.o,
};
//-----------------288K SRAM1 SRAM2 SRAM3----------
define block USER_PRG2_RBLOCK
{
ro code object beep.o,
};
define block USER_PRG2_WBLOCK
{
rw code object beep.o,
};
//-----------------64K SRAM4------------------------
define block USER_PRG3_RBLOCK
{
ro code object stm32h7xx_hal_gpio.o,
};
define block USER_PRG3_WBLOCK
{
rw code object stm32h7xx_hal_gpio.o,
};
//--------------------------------------------------
place in ROM_region { readonly };
place in ROM_region { block USER_PRG1_RBLOCK, };
place in ROM_region { block USER_PRG2_RBLOCK, };
place in ROM_region { block USER_PRG3_RBLOCK, };
place in RAM_region { readwrite, block CSTACK, block HEAP,};
place in CODERAM1_region { block USER_PRG1_WBLOCK, };
place in CODERAM2_region { block USER_PRG2_WBLOCK, };
//place in CODERAM2_region {section RAMCODE, };
place in CODERAM3_region { block USER_PRG3_WBLOCK, };
参考了很多这样的文章包括ST官方资料都是失败告终,之前用瑞萨的RZT2,小华的4A0将程序拷贝到RAM中运行是没有任何问题的。
ST官方是否在IAR环境下做过750的相关测试。