Ryo Od / Mbed OS mbed-os_SPITest_Master

SPI Test (Master)

main.cpp

Committer:
ryood
Date:
2017-05-19
Revision:
1:b34b41d8a360
Parent:
0:0c8fb6842c2a

File content as of revision 1:b34b41d8a360:

#include "mbed.h"

SPI spiM(D11, D12, D13);
DigitalOut cs(D10);

int main()
{
    printf("SPIMaster Test\r\n");

    spiM.format(8, 0);
    spiM.frequency(1000000);

    uint8_t sdata = 0;

    for (;;) {
        cs = 0;
        uint8_t rdata = spiM.write(sdata);
        cs = 1;

        printf("Master: sdata:%d rdata:%d ", sdata, rdata);

        uint8_t err = sdata - rdata;
        if (err != 1) {
            printf("err:%d", err);
        }
        printf("\r\n");

        sdata++;
        
        //wait_ms(100);
    }
}