SPI_MASTER.rar_XMEGA1604_mega16 spi_spi avr

/*******************************************************************************/ /*---------------------------- I N C L U D E S -----------------------------*/ #include "main.h" //#include <iom16v.h> //#include <macros.h> /*-------------------------- D E F I N I T I O N ---------------------------*/ char DATA; char DATAr; /*--------------------------- F U N C T I O N S ----------------------------*/ /******************************************************************************* Function Name: main Description : main function Inputs : None Outputs : None Notes : for victory Revision : *******************************************************************************/ void main(void) { SystemInit(); SystemStart(); } /******************************************************************************* Function Name: SystemInit Description : Initialize CPU drivers and devices Inputs : None Outputs : None Notes : for victory Revision : *******************************************************************************/ void SystemInit(void) { CLI(); MCUCR = 0x00; GICR = 0x00; TIMSK = 0x00; //PortInit(); //SPI_SlaveInit(); SPI_MasterInit(); SEI(); } void SystemStart(void) { while(1) { //spi_rw(DATA); //等待中断 //DATAr=SPI_SlaveReceive(); //MOSI } } #pragma interrupt_handler INT0ofOUT:2 void INT0ofOUT(void) { //if((1<<INT0)&&PORTD) { PORTA = 0xFE; DDRA = 0x01;//CS0得到使能 DATAr=SPI_MasterReceive(); //MOSI 收 spi_rw(DATA); //发 Delay_ms(1000); PORTA = 0xFD; DDRA = 0x02;//CS1得到使能 DATAr=SPI_MasterReceive(); //MOSI 收 spi_rw(DATA); //发 Delay_ms(1000); PORTA = 0xFB; DDRA = 0x04;//CS2得到使能 DATAr=SPI_MasterReceive(); //MOSI 收 spi_rw(DATA); //发 Delay_ms(1000); //DATAr=SPI_SlaveReceive(); //MOSI 收 //spi_rw(DATA); //发 }//若中断使能，则。。。 { DDRA = 0x00; PORTA = 0xFF; }//否则。。。 }