Daisuke Yanagihara / Mbed 2 deprecated ref_spi_simplest_master

v2

Dependencies:   mbed

spi_master.cpp@2:6d9572f5523e, 2021-01-07 (annotated)

Committer:
Yanagihara
Date:
Thu Jan 07 10:14:58 2021 +0000
Revision:
2:6d9572f5523e
Parent:
1:5a1355e57aed
Child:
3:894278e5d918
v2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
taiga_prelude 0:382b3838a100 1 #include "mbed.h"
taiga_prelude 0:382b3838a100 2
taiga_prelude 0:382b3838a100 3 SPI to_eps(p5,p6,p7);
taiga_prelude 0:382b3838a100 4 DigitalOut cs(p8);
taiga_prelude 0:382b3838a100 5
taiga_prelude 0:382b3838a100 6 Serial pc(USBTX,USBRX);
taiga_prelude 0:382b3838a100 7
taiga_prelude 0:382b3838a100 8 #define DTIME 0.1
taiga_prelude 0:382b3838a100 9
taiga_prelude 0:382b3838a100 10 int main()
taiga_prelude 0:382b3838a100 11 {
taiga_prelude 0:382b3838a100 12 pc.printf("--Hi,this is cdh(master).\r\n");
taiga_prelude 0:382b3838a100 13 cs = 1;
taiga_prelude 0:382b3838a100 14
Yanagihara 2:6d9572f5523e 15 to_eps.format(8,3);
taiga_prelude 0:382b3838a100 16 to_eps.frequency(1000000);
taiga_prelude 0:382b3838a100 17 int cmd = 0;
taiga_prelude 0:382b3838a100 18
taiga_prelude 0:382b3838a100 19 while(1) {
taiga_prelude 0:382b3838a100 20 char c = pc.getc();
taiga_prelude 0:382b3838a100 21 pc.printf("count: %d, ",cmd);
taiga_prelude 0:382b3838a100 22
taiga_prelude 0:382b3838a100 23 cs=0;
taiga_prelude 0:382b3838a100 24 int dummy = to_eps.write(cmd); // send command
taiga_prelude 0:382b3838a100 25 cs=1;
taiga_prelude 0:382b3838a100 26
Yanagihara 1:5a1355e57aed 27 pc.printf("dummy: %x, ",dummy);
Yanagihara 1:5a1355e57aed 28
Yanagihara 1:5a1355e57aed 29 if(cmd == 1){
Yanagihara 1:5a1355e57aed 30 wait(1);
Yanagihara 1:5a1355e57aed 31 cs=0;
Yanagihara 1:5a1355e57aed 32 int rdata = to_eps.write(0x00);
Yanagihara 1:5a1355e57aed 33 cs=1;
Yanagihara 1:5a1355e57aed 34 pc.printf("rdata: %x\r\n",rdata);
Yanagihara 1:5a1355e57aed 35 }
Yanagihara 1:5a1355e57aed 36
Yanagihara 1:5a1355e57aed 37 if(cmd == 2){
Yanagihara 1:5a1355e57aed 38 wait(3);
Yanagihara 1:5a1355e57aed 39 cs=0;
Yanagihara 1:5a1355e57aed 40 int rdata1 = to_eps.write(0x00);
Yanagihara 1:5a1355e57aed 41 int rdata2 = to_eps.write(0x00);
Yanagihara 1:5a1355e57aed 42 cs=1;
Yanagihara 1:5a1355e57aed 43 pc.printf("rdata1: %x\r\n",rdata1);
Yanagihara 1:5a1355e57aed 44 pc.printf("rdata2: %x\r\n",rdata2);
Yanagihara 1:5a1355e57aed 45 }
taiga_prelude 0:382b3838a100 46
taiga_prelude 0:382b3838a100 47 cmd++;
taiga_prelude 0:382b3838a100 48 }
taiga_prelude 0:382b3838a100 49 }