/* Including used modules for compilling procedure */
#include "Cpu.h"
#include "Events.h"
#include "AS1.h"
/* Include shared modules, which are used for whole project */
#include "PE_Types.h"
#include "PE_Error.h"
#include "PE_Const.h"
#include "IO_Map.h"
void main(void)
{
/*** Processor Expert internal initialization. DON'T REMOVE THIS CODE!!! ***/
PE_low_level_init();
/*** End of Processor Expert internal initialization. ***/
/* Write your code here */
AS1_SendChar('H');
while(AS1_GetTxComplete()==0){};
AS1_SendChar('e');
while(AS1_GetTxComplete()==0){};
AS1_SendChar('l');
while(AS1_GetTxComplete()==0){};
AS1_SendChar('l');
while(AS1_GetTxComplete()==0){};
AS1_SendChar('o');
while(AS1_GetTxComplete()==0){};
AS1_SendChar('\r');
while(AS1_GetTxComplete()==0){};
AS1_SendChar('');
while(AS1_GetTxComplete()==0){};
for(;;)
{
}
}
以上程序是主程序，以下程序中断程序
/** ###################################################################
** Filename : Events.C
** Project : serial
** Processor : 56F801FA80
** Beantype : Events
** Version : Driver 01.02
** Compiler : Metrowerks DSP C Compiler
** Date/Time : 2005-12-10, 15:12
** Abstract :
** This is user's event module.
** Put your event handler code here.
** Settings :
** Contents :
** AS1_OnRxChar - void AS1_OnRxChar(void);
**
** (c) Copyright UNIS, spol. s r.o. 1997-2004
** UNIS, spol. s r.o.
** Jundrovska 33
** 624 00 Brno
** Czech Republic
** http : www.processorexpert.com
** mail : info@processorexpert.com
** ###################################################################*/
/* MODULE Events */
#include "Cpu.h"
#include "Events.h"
/*
** ===================================================================
** Event : AS1_OnRxChar (module Events)
**
** From bean : AS1 [AsynchroSerial]
** Description :
** This event is called after a correct character is
** received.
** DMA mode:
** If DMA controller is available on the selected CPU and
** the receiver is configured to use DMA controller then
** this event is disabled. Only OnFullRxBuf method can be
** used in DMA mode.
** Parameters : None
** Returns : Nothing
** ===================================================================
*/
#pragma interrupt called /* Comment this line if the appropriate 'Interrupt preserve registers' property */
/* is set to 'yes' (#pragma interrupt saveall is generated before the ISR) */
unsigned char *order;
void AS1_OnRxChar(void)
{
/* Write your code here ... */
if(!AS1_RecvChar(order))
if(*order == 'a' || *order =='A')
{
AS1_SendChar('H');while(AS1_GetTxComplete()==0){};
AS1_SendChar('e');while(AS1_GetTxComplete()==0){};
AS1_SendChar('l');while(AS1_GetTxComplete()==0){};
AS1_SendChar('l');while(AS1_GetTxComplete()==0){};
AS1_SendChar('o');while(AS1_GetTxComplete()==0){};
AS1_SendChar('\r');while(AS1_GetTxComplete()==0){};
AS1_SendChar('\n');while(AS1_GetTxComplete()==0){};
}
else
{
AS1_SendChar('e');while(AS1_GetTxComplete()==0){};
AS1_SendChar('r');while(AS1_GetTxComplete()==0){};
AS1_SendChar('r');while(AS1_GetTxComplete()==0){};
AS1_SendChar('o');while(AS1_GetTxComplete()==0){};
AS1_SendChar('r');while(AS1_GetTxComplete()==0){};
AS1_SendChar('\r');while(AS1_GetTxComplete()==0){};
AS1_SendChar('\n');while(AS1_GetTxComplete()==0){};
}
}
/* END Events */
运行结果看图。
当输入a或A时，总是显示H;当输入其他字符时总是显示e.
我原意是当输入a或A时显示Hello;当输入其他字符时显示error.
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