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hex轉換為char顯示

typedef unsigned long  u32;
typedef unsigned short u16;
typedef unsigned char  u8;

#define assert_print(a)		printf("%s", a)
u8 Temple_Data[32];

u8 HexToChar(u8 byTemp)
{
	byTemp &= 0x0f;
	if(byTemp >= 10)		// show 'A' - 'F'
	{
		byTemp = byTemp - 0xa + 0x41;
	}
	else		// show '0' - '9'
	{
		byTemp = byTemp + 0x30;
	}
	return(byTemp);
}

void assert_hex_u8print(u8 byte)
{
	Temple_Data[0] = HexToChar((byte & 0xf0) >> 4);
	Temple_Data[1] = HexToChar(byte & 0x0f);
	Temple_Data[2] = 0;
	assert_print(Temple_Data);
}

void assert_hex_u16print(u16 word)
{
	Temple_Data[0] = HexToChar((word & 0xf000) >> 12);
	Temple_Data[1] = HexToChar((word & 0x0f00) >> 8);
	Temple_Data[2] = HexToChar((word & 0x00f0) >> 4);
	Temple_Data[3] = HexToChar(word & 0x000f);
	Temple_Data[4] = 0;
	assert_print(Temple_Data);
}

void assert_hex_u32print(u32 dword)
{
	Temple_Data[0] = HexToChar((dword & 0xf0000000) >> 28);
	Temple_Data[1] = HexToChar((dword & 0x0f000000) >> 24);
	Temple_Data[2] = HexToChar((dword & 0x00f00000) >> 20);
	Temple_Data[3] = HexToChar((dword & 0x000f0000) >> 16);
	Temple_Data[4] = HexToChar((dword & 0x0000f000) >> 12);
	Temple_Data[5] = HexToChar((dword & 0x00000f00) >> 8);
	Temple_Data[6] = HexToChar((dword & 0x000000f0) >> 4);
	Temple_Data[7] = HexToChar(dword & 0x0000000f);
	Temple_Data[8] = 0;
	assert_print(Temple_Data);
}