SDI lab / Mbed 2 deprecated Test_Burst_2

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Dependencies:   mbed

main.cpp

Committer:
Brianmic
Date:
2014-01-20
Revision:
0:b48d39f6877c

File content as of revision 0:b48d39f6877c:

#include "mbed.h"
 
DigitalOut redLed( LED_RED ); // Led used to signal errors
DigitalOut greenLed( LED_GREEN );
DigitalOut spiSS( PTD0 ); // Slave select is handled by GPIO
Serial PC (USBTX, USBRX);
 
int main() {
    redLed = 1;
    greenLed = 1;
    // Create SPI master instance, 8bit, CPOL=0, CPHA=1, 100kHz
    SPI spiMaster( PTD2, PTD3, PTD1 ); // mosi, miso, sclk
    spiMaster.format( 8, 1 );
    spiMaster.frequency( 100000 );
    
    PC.baud(115200);
    // Deselect slave
    spiSS = 1;
    // Forever
    wait(1);
    
    while( 1 ) {
        uint8_t data[16];
        // Burst write
        spiSS = 0;
        spiMaster.write( '#' );
        spiMaster.write( 0x07 ); // write RAM burst
        spiMaster.write( 0x01 ); // AA1
        spiMaster.write( 0x02 ); // AA2
        spiMaster.write( 0x03 ); // AA3
        
        spiMaster.write( 0x01 );
        spiMaster.write( 0x01 );
        
        spiMaster.write( 0x55 ); //buco
        spiMaster.write( 0x55 ); //@
        
        spiMaster.write( 0x02 );
        spiMaster.write( 0x02 );
        
        spiMaster.write( 0x55 ); //buco
        spiMaster.write( 0x55 ); //@
        
        spiMaster.write( 0x03 );
        spiMaster.write( 0x03 );
        
        spiMaster.write( 0x55 ); //buco
        spiMaster.write( 0x55 ); //@
        
        spiMaster.write( '#' ); //#
        
        spiSS = 1;
        
        wait(1);
        
        spiSS = 0;
        spiMaster.write( '#' );
        spiMaster.write( 0x05 ); // write RAM burst
        spiMaster.write( 0x01 ); // AA1
        spiMaster.write( 0x02 ); // AA2
        spiMaster.write( 0x03 ); // AA3
        
        spiMaster.write( 0x01 ); //buco
        spiMaster.write( 0x01 ); //@
       
        data[0] = spiMaster.write( 0x55 ); //DD1 1
        data[1] = spiMaster.write( 0x55 ); //DD2 1
        
        spiMaster.write( 0x01 ); //buco
        spiMaster.write( 0x01 ); //@
       
        data[2] = spiMaster.write( 0x55 ); //DD1 2
        data[3] = spiMaster.write( 0x55 ); //DD2 2
        
        spiMaster.write( 0x01 ); //buco
        spiMaster.write( 0x01 ); //@
       
        data[4] = spiMaster.write( 0x55 ); //DD1 3
        data[5] = spiMaster.write( '#' ); //DD2 3
        
        for(int i = 0; i<3 ; i++)
        {
            PC.printf("%d.%d\r\n", data[2*i], data[2*i+1]);
        }        
        
        spiSS = 1;
        wait(2);

    }
}