tannyhbkj

我的SPI源码
void SpiTransfer(void *pCmd, int num)
{
int i;
INT8U *p;
p = (INT8U *)pCmd;
for(i=0;i {
while (FALSE == SPSCR_SPTE)
{
TIMER_Delay100Us(1);
__RESET_WATCHDOG();
}
SPDR = *(p+i);

while (FALSE == SPSCR_SPRF) {
TIMER_Delay100Us(1);
__RESET_WATCHDOG();
}
//*(p+num+i) = SPDR;
Read33993 = SPDR;
}
}
下面一直调用该子程序：
Mc33993SpiData.CmdBits = Mc33993Reset; // Mc33993 Reset
Mc33993CS_Enable;
SpiTransfer(&Mc33993SpiData,3);

Mc33993SpiData.CmdBits = Mc33993Settings; // Set Switch
Mc33993CS_Enable;
SpiTransfer(&Mc33993SpiData,3);