ADXL345利用7026主机通讯
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发表于 3/6/2012 1:14:07 PM
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#include#include void SPI_ADXL345_WRITE(BYTE adress, BYTE data){ GP2CLR = 0x800000; //CS4 = LOW delay(1); //CS to SCLK set up time spiwrite(adress); //adress spiwrite(data); //data to be written delay(1); //CS to SCLK set up time GP2SET = 0x800000; //CS4 = High delay(1); //Wait Time } unsigned char SPI_ADXL345_READ(BYTE adress){ unsigned char result; GP2CLR = 0x800000; //CS4 = LOW delay(1); //CS to SCLK set up time spiwrite(adress+0x80); //adress result = spiread(0x00); //Read 8bit data (Send Dummy data 0x00) delay (1); //CS to SCLK set up time GP2SET = 0x800000; //CS4 = High delay(1); //Wait Time return result; } void SPI_ADXL345_M_READ(BYTE adress, BYTE RXCONT){ GP2CLR = 0x800000; //CS4 = LOW delay(1); //CS to SCLK set up time spiwrite(adress+0xC0); //adress in burst read mode spiMread(0xFF, RXCONT); delay (1); //CS to SCLK set up time GP2SET = 0x800000; //CS4 = High delay(1); //Wait Time }
