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// Transmit data GpioDataRegs.GPBDAT.bit.GPIO57 = 0; ////////////////写寄存器////////// spi_xmit(0xD014); // Wait until data is received //while(SpiaRegs.SPIFFRX.bit.RXFFST !=1) { } // Check against sent data //rdata = SpiaRegs.SPIRXBUF; delay_loop(); spi_xmit(0x000B); GpioDataRegs.GPBDAT.bit.GPIO57 = 1; // Wait until data is received //////////////读寄存器/////////// GpioDataRegs.GPBDAT.bit.GPIO57 = 0; spi_xmit(0x4814); delay_loop(); spi_xmit(0x0000); //while(SpiaRegs.SPIFFRX.bit.RXFFST !=4) { } delay_loop(); result = SpiaRegs.SPIRXBUF; // if(rdata != sdata) error(); GpioDataRegs.GPBDAT.bit.GPIO57 = 1; //delay_loop();
