我使用的芯片是56F8014，使用PE生成的SPI驱动程序。
在调用驱动发送数据时，我在SCLK和MOSI上都测不到任何数据波形。
各位大侠指点一下。
void SM1_Init(void)
{
/* SPI_SCR: SPR2=1,SPR1=0,SPR0=1,DSO=1,ERRIE=0,MODFEN=1,SPRIE=0,SPMSTR=1,CPOL=0,CPHA=1,SPE=0,SPTIE=0,SPRF=0,OVRF=0,MODF=1,SPTE=0 */
setReg(SPI_SCR,46402); /* Set control register */
/* SPI_DSR: WOM=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,??=0,DS3=0,DS2=1,DS1=1,DS0=1 */
setReg(SPI_DSR,7); /* Set data size and control register */
SerFlag = 0; /* Reset all flags */
EnUser = TRUE; /* Enable device */
HWEnDi(); /* Enable/disable device according to the status flags */
}
byte SM1_SendChar(SM1_TComData Chr)
{
if ((!getRegBit(SPI_SCR,SPTE))||(SerFlag&FULL_TX)) { /* Is last character send? */
return ERR_TXFULL; /* If no then return error */
}
if (EnUser) { /* Is device enabled? */
setReg(SPI_DTR,Chr); /* If yes, send character */
}
else {
BufferWrite = Chr; /* If no, save character */
SerFlag |= FULL_TX; /* ...and set flag */
}
return ERR_OK; /* OK */
}
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 */
for(;;)
{
SM1_SendChar(0x55);
}
} | 
