/* start debugging tool */
void chipcardLabDebug(void)
{
char c_userSelection;
int i_tempData;
printf("==INTEGRATED DEBUGGING TOOL==\n\r");
printf("This is a tool that might be helpful to find problems with the chipcardLab.\n\r");
printf("The tool allows you to read and write the registers of the chipcardLab hardware\n\r");
printf("directly. So you can discover problems with the firmware and or the serial\n\r");
printf("connection.\n\r");
chipcardLabDebugHelp();
do
{
printf("\n\r>>> ");
do
{
improvedScanf("%c", &c_userSelection);
}
while((c_userSelection == '\n')||(c_userSelection == '\r'));
c_userSelection = toupper(c_userSelection);
switch(c_userSelection)
{
case 'A': printf("Cardslot status is: ");
i_tempData = getRawCardslotStatus();
printfBinary(i_tempData);
printf(" %hhx", i_tempData);
printf("\n\r");
break;
case 'B': printf("Terminal status is: ");
i_tempData = getRawTerminalStatus();
printfBinary(i_tempData);
printf(" %hhx", i_tempData);
printf("\n\r");
break;
case 'C': printf("New cardslot status ==> ");
improvedScanf("%hhx", &c_userSelection);
setRawCardslotStatus(c_userSelection);
printf("\n\r");
break;
case 'D': printf("New terminal status ==> ");
improvedScanf("%hhx", &c_userSelection);
setRawTerminalStatus(c_userSelection);
printf("\n\r");
break;
case 'E': printf("New cardslot direction ==> ");
improvedScanf("%hhx", &c_userSelection);
setRawCardslotDirection(c_userSelection);
printf("\n\r");
break;
case 'F': printf("New terminal direction ==> ");
improvedScanf("%hhx", &c_userSelection);
setRawTerminalDirection(c_userSelection);
printf("\n\r");
break;
case 'G': printf("Cardslot direction status is: ");
i_tempData = getRawCardslotDirectionStatus();
printfBinary(i_tempData);
printf(" %hhx", i_tempData);
printf("\n\r");
break;
case 'H': printf("Terminal direction status is: ");
i_tempData = getRawTerminalDirectionStatus();
printfBinary(i_tempData);
printf(" %hhx", i_tempData);
printf("\n\r");
break;
case 'I': printf("Cardslot output status is: ");
i_tempData = getRawCardslotOutputStatus();
printfBinary(i_tempData);
printf(" %hhx", i_tempData);
printf("\n\r");
break;
case 'J': printf("Terminal output status is: ");
i_tempData = getRawTerminalOutputStatus();
printfBinary(i_tempData);
printf(" %hhx", i_tempData);
printf("\n\r");
break;
case 'U': printf("Performing software-uart transmitter test...\r\n");
chipcardLabTransmitterTest();
printf("\r\n");
break;
case 'R': printf("Performing software-uart receiver test...\r\n");
chipcardLabReceiverTest();
printf("\r\n");
break;
case '?': chipcardLabDebugHelp();
break;
case 'X': printf("Exiting debug tool...\n\r");
break;
default: printf("^invalid selection\n\r");
}
} while(c_userSelection != 'X');
return;
}
int main(){
/*
//00000000 00000000 00000000 00000001
//1.变量寻址,从大到小.以所在的内存中第一个字节(地址值最小的那一个)为当前变量的地址.
二进制表现形式是高位字节对应高位二进制
int a=1;
int b=3;
char c='a';
//二进制:0b;八进制:0开头 十六进制:0x.不区分大小写
//8.-128~127 unsigned 0~255;
unsigned long int;short;long long
long long>long >int>short
printf("%c\n",200);
*/
/*
1.用位运算实现两个整数值的互换.
2.用位运算判断一个整数的奇偶性.
3.编写一个函数输出一个整数的二进制表现形式.
*/
/*
1.用位运算实现两个整数值的互换.
方法一:用临时变量
int a=1;
int b=2;
printf("a=%d,b=%d\n",a,b);
int temp=a;
a=b;
b=temp;
printf("a=%d,b=%d\n",a,b);
*/
/*
方法二
int a=1;
int b=2;
printf("a=%d,b=%d\n",a,b);
a=b-a;
b=b-a;
a=b+a;
printf("a=%d,b=%d\n",a,b);
*/
/*
方法三:用位运算
//printf("1^8^8=%d\n",1^8^8);
int a=1;
int b=2;
printf("a=%d,b=%d\n",a,b);
a=a^b;//1^2;
b=a^b;//==a^b^b;==1^2^2
a=a^b;//==a^b^a;==1^2^1
printf("a=%d,b=%d\n",a,b);
*/
/*
2.用位运算判断一个整数的奇偶性.
int a=4;//4%2=0 5%2=1 6%2=0 7%2=1
if(0==a%2){
printf("a=%d是偶数\n",a);
}else{
printf("a=%d是奇数\n",a);
}
//0==a%2?printf("a=%d是偶数\n",a):printf("a=%d是奇数\n",a);
!(a%2)?printf("a=%d是偶数\n",a):printf("a=%d是奇数\n",a);
0011 1111
&0000 0001
---------
0000 0001
1 0001
2 0010
3 0011
4 0100
!(a&1)?printf("a=%d是偶数\n",a):printf("a=%d是奇数\n",a);
*/
printfBinary(12);
printf("%d\n",~0);
return 0;
}
