15 lines
		
	
	
		
			332 B
		
	
	
	
		
			C
		
	
	
	
	
	
			
		
		
	
	
			15 lines
		
	
	
		
			332 B
		
	
	
	
		
			C
		
	
	
	
	
	
| #include "io.h"
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| 
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| #define SPI_FLASH_BASE ((char*)(1 << 23))
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| 
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| int main()  {
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|    for(int i=0; i<16; ++i) {
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|       IO_OUT(IO_LEDS,i);
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|       int lo = (int)SPI_FLASH_BASE[2*i  ];
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|       int hi = (int)SPI_FLASH_BASE[2*i+1];
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|       print_hex_digits((hi << 8) | lo,4); // print four hexadecimal digits
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|       printf(" ");
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|    }
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|    printf("\n");
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| }
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