FSMC访问SRAM

xzyxtt

[mw_shl_code=c,true]#include"stm32f10x.h" #include"sys.h" #include"delay.h" #include"usart.h" #include"sram.h" u16 sramTxBuff[]={0x5500,0x5501,0x5502,0x5503,0x5504,0x5505,0x5506,0x5507,0x5508,0x5509}; u16 sramRxBuff[100]; int main(void) { delay_init(); uart_init(9600); Sram_Init(); NVIC_Configuration(); FSMC_SRAM_WriteBuffer(sramTxBuff,0x8000,10); FSMC_SRAM_ReadBuffer(sramTxBuff,0x8000,10); while(1) { printf("OK\r\n"); delay_ms(2000); } }

[mw_shl_code=c,true]//向指定地址写入多个半字 void FSMC_SRAM_WriteBuffer(u16* pBuffer, u32 WriteAddr, u32 NumHalfwordToWrite) { for(; NumHalfwordToWrite != 0; NumHalfwordToWrite--) /* while there is data to write */ { /* Transfer data to the memory */ *(u16 *) (Bank1_SRAM3_ADDR + WriteAddr) = *pBuffer++; /* Increment the address*/ WriteAddr += 2; } }[/mw_shl_code]

[mw_shl_code=c,true]//从多个地址读取半字 void FSMC_SRAM_ReadBuffer(u16* pBuffer, u32 ReadAddr, u32 NumHalfwordToRead) { for(; NumHalfwordToRead != 0; NumHalfwordToRead--) /* while there is data to read */ { /* Read a half-word from the memory */ *pBuffer++ = *(vu16*) (Bank1_SRAM3_ADDR + ReadAddr); /* Increment the address*/ ReadAddr += 2; } }[/mw_shl_code]

用Jlink调试时进入硬件错误中断，是怎么回事啊？！[/mw_shl_code]

三两二锅头

问题不一定出在你这段代码中，你好好看看设备初始化相关的代码吧

八度空间

单步调试到哪里就进入硬件错误了？猜八成是内存溢出了

styleno1

外扩SRAM怎么不直接寻址呢？