Ryo Od / Mbed 2 deprecated Nucleo_rtos_SPISlave_Test

SPI Slave Test.

Dependencies:   mbed-rtos mbed

main.cpp@1:ba17cd3b6ecf, 2016-09-27 (annotated)

Committer:
ryood
Date:
Tue Sep 27 09:46:20 2016 +0000
Revision:
1:ba17cd3b6ecf
Parent:
0:4cc5b11f7d91
Child:
2:46e25b11a043
impl. RtosTimer

Who changed what in which revision?

UserRevisionLine numberNew contents of line
ryood 0:4cc5b11f7d91 1 #include "mbed.h"
ryood 0:4cc5b11f7d91 2 #include "rtos.h"
ryood 0:4cc5b11f7d91 3 #include "SPISlave.h"
ryood 0:4cc5b11f7d91 4
ryood 0:4cc5b11f7d91 5 #define SPI_SPEED (10000000)
ryood 0:4cc5b11f7d91 6
ryood 0:4cc5b11f7d91 7 BusOut Leds(PA_10, PB_3, PB_5, PB_4, PB_10, PA_8);
ryood 1:ba17cd3b6ecf 8 DigitalOut StepChangePin(PC_7);
ryood 0:4cc5b11f7d91 9
ryood 0:4cc5b11f7d91 10 SPISlave SpiS(PA_7, PA_6, PA_5, PA_4); // mosi, miso, sclk, ssel
ryood 0:4cc5b11f7d91 11
ryood 1:ba17cd3b6ecf 12 unsigned int step = 0;
ryood 1:ba17cd3b6ecf 13
ryood 1:ba17cd3b6ecf 14 void stepUp(void const* arg)
ryood 1:ba17cd3b6ecf 15 {
ryood 1:ba17cd3b6ecf 16 step++;
ryood 1:ba17cd3b6ecf 17
ryood 1:ba17cd3b6ecf 18 // Slaveにinterruptをかける。
ryood 1:ba17cd3b6ecf 19 StepChangePin.write(1);
ryood 1:ba17cd3b6ecf 20 StepChangePin.write(0);
ryood 1:ba17cd3b6ecf 21 }
ryood 1:ba17cd3b6ecf 22
ryood 0:4cc5b11f7d91 23 int main()
ryood 0:4cc5b11f7d91 24 {
ryood 0:4cc5b11f7d91 25 printf("\r\n\nNucleo rtos SPISlave Test..\r\n");
ryood 0:4cc5b11f7d91 26
ryood 1:ba17cd3b6ecf 27 // Setup LED
ryood 0:4cc5b11f7d91 28 for (int i = 0; i < 5; i++) {
ryood 0:4cc5b11f7d91 29 Leds.write(0x3f);
ryood 0:4cc5b11f7d91 30 Thread::wait(100);
ryood 0:4cc5b11f7d91 31 Leds.write(0x00);
ryood 0:4cc5b11f7d91 32 Thread::wait(100);
ryood 0:4cc5b11f7d91 33 }
ryood 0:4cc5b11f7d91 34
ryood 1:ba17cd3b6ecf 35 // Setup SPISlave
ryood 0:4cc5b11f7d91 36 SpiS.format(8, 0);
ryood 0:4cc5b11f7d91 37 SpiS.frequency(SPI_SPEED);
ryood 0:4cc5b11f7d91 38
ryood 1:ba17cd3b6ecf 39 // RtosTimer
ryood 1:ba17cd3b6ecf 40 RtosTimer stepTimer(stepUp, osTimerPeriodic, (void *)0);
ryood 1:ba17cd3b6ecf 41 stepTimer.start(250); // BPM:60
ryood 1:ba17cd3b6ecf 42
ryood 0:4cc5b11f7d91 43 SpiS.reply(0);
ryood 0:4cc5b11f7d91 44 while(1) {
ryood 0:4cc5b11f7d91 45 if(SpiS.receive()) {
ryood 0:4cc5b11f7d91 46 int v = SpiS.read(); // Read byte from master
ryood 0:4cc5b11f7d91 47 Leds.write(v);
ryood 1:ba17cd3b6ecf 48 SpiS.reply(step % 16);
ryood 0:4cc5b11f7d91 49 }
ryood 0:4cc5b11f7d91 50 }
ryood 0:4cc5b11f7d91 51 }