為什么我串口傳輸?shù)臄?shù)據(jù)在電腦打印輸出不是'S',但是如果我使用#define定義KS 為'S'時就能正常打印輸出‘S’？這兩者有什么區(qū)別嗎？
單片機(jī)代碼如下：
void main(void)
{
// initialize the device
SYSTEM_Initialize();
// When using interrupts, you need to set the Global and Peripheral Interrupt Enable bits
// Use the following macros to:
// Enable the Global Interrupts
//INTERRUPT_GlobalInterruptEnable();
// Enable the Peripheral Interrupts
//INTERRUPT_PeripheralInterruptEnable();
// Disable the Global Interrupts
//INTERRUPT_GlobalInterruptDisable();
// Disable the Peripheral Interrupts
//INTERRUPT_PeripheralInterruptDisable();
char KS;
KS= 'S';
while (1)
{
// Add your application code
putch(KS);
}
}
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