main.cpp

00001 #include "mbed.h"
00002 
00003 /*
00004    This basic example just shows how to read the ADC internal channels raw values.
00005    Please look in the corresponding device reference manual for a complete
00006    description of how to make a temperature sensor, VBat or Vref measurement.
00007 */
00008 DigitalIn     mode(PC_13);
00009 DigitalOut    nRF_csn(D10 /*PB_6*/ );
00010 DigitalOut    nRF_ce(D9);
00011 DigitalIn     IRQ(D8);
00012 //SPI           nRF_spi(D4, D5, D3);// mosi, miso, sck,
00013 SPI           nRF_spi(PA_7, PA_6, PA_5);// mosi, miso, sck
00014 
00015 int main()
00016 {
00017     printf("SPI TEST\r\n");
00018     nRF_csn=1;//chip select disable
00019     nRF_spi.frequency(4000000);     // 1MHz SPI bus
00020     nRF_spi.format(8,0);  // 8bit normal porarity phase
00021     wait(1.0);
00022     int i;
00023     int reg;
00024     i=0;
00025     
00026     while(1) {
00027       nRF_csn=0;//chip select enable
00028       nRF_spi.write(i);//register read command  I=register number
00029       reg = nRF_spi.write(i);//read reg value
00030       nRF_csn=1; //chip select disable
00031       printf("%d %02x \r\n",i,reg);
00032       i++;     
00033       if (i>=32) i=0;
00034       wait(0.1f);   
00035     }
00036 }