ENPRA_Foot / Mbed 2 deprecated Nucleo_spi_master

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Dependencies:   mbed

main.cpp@0:241cea911735, 2018-11-19 (annotated)

Committer:
Keith_N
Date:
Mon Nov 19 05:26:08 2018 +0000
Revision:
0:241cea911735
spi_master

Who changed what in which revision?

UserRevisionLine numberNew contents of line
Keith_N 0:241cea911735 1 #include "mbed.h"
Keith_N 0:241cea911735 2
Keith_N 0:241cea911735 3 SPI spi(PB_5, PB_4, PB_3); // mosi, miso, sclk
Keith_N 0:241cea911735 4 DigitalOut cs(PA_1);
Keith_N 0:241cea911735 5 Serial pc(USBTX, USBRX);
Keith_N 0:241cea911735 6 DigitalOut led(LED1);
Keith_N 0:241cea911735 7
Keith_N 0:241cea911735 8 #define DTIME 0.005
Keith_N 0:241cea911735 9
Keith_N 0:241cea911735 10 int main()
Keith_N 0:241cea911735 11 {
Keith_N 0:241cea911735 12 cs = 1;
Keith_N 0:241cea911735 13 spi.format(8,0);
Keith_N 0:241cea911735 14 spi.frequency(1000000);
Keith_N 0:241cea911735 15 led = 0;
Keith_N 0:241cea911735 16
Keith_N 0:241cea911735 17 while(1) {
Keith_N 0:241cea911735 18 led = 1;
Keith_N 0:241cea911735 19 cs=0;
Keith_N 0:241cea911735 20 wait(DTIME);
Keith_N 0:241cea911735 21 int byte_1 = spi.write(0x03);
Keith_N 0:241cea911735 22 pc.printf("byte_1: %d ",byte_1);
Keith_N 0:241cea911735 23 cs=1;
Keith_N 0:241cea911735 24
Keith_N 0:241cea911735 25 cs=0;
Keith_N 0:241cea911735 26 wait(DTIME);
Keith_N 0:241cea911735 27 int byte_2 = spi.write(0xFF);
Keith_N 0:241cea911735 28 pc.printf("byte_2: %d ",byte_2);
Keith_N 0:241cea911735 29 cs=1;
Keith_N 0:241cea911735 30
Keith_N 0:241cea911735 31 cs=0;
Keith_N 0:241cea911735 32 wait(DTIME);
Keith_N 0:241cea911735 33 int byte_waste = spi.write(0xFF);
Keith_N 0:241cea911735 34 cs=1;
Keith_N 0:241cea911735 35
Keith_N 0:241cea911735 36 int rbyte = (byte_1<<8)+byte_2;
Keith_N 0:241cea911735 37 pc.printf("rbyte: %d\r\n",rbyte);
Keith_N 0:241cea911735 38 led = 0;
Keith_N 0:241cea911735 39
Keith_N 0:241cea911735 40 wait(0.05);
Keith_N 0:241cea911735 41 }
Keith_N 0:241cea911735 42
Keith_N 0:241cea911735 43 }