Ryo Od / Mbed 2 deprecated Nucleo_rtos_SPISlave_16bit_Test

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Dependencies:   mbed-rtos mbed

Fork of Nucleo_rtos_SPISlave_Test by Ryo Od

main.cpp@3:e35c6a9ad906, 2016-10-04 (annotated)

Committer:
ryood
Date:
Tue Oct 04 04:58:34 2016 +0000
Revision:
3:e35c6a9ad906
Parent:
2:46e25b11a043
Child:
4:3617af415d4c
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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 3:e35c6a9ad906 5 #define SPI_SPEED (4000000)
ryood 0:4cc5b11f7d91 6
ryood 0:4cc5b11f7d91 7 BusOut Leds(PA_10, PB_3, PB_5, PB_4, PB_10, PA_8);
ryood 2:46e25b11a043 8 //DigitalOut StepChangePin(PC_7);
ryood 2:46e25b11a043 9 DigitalOut StepChangePin(PB_1);
ryood 0:4cc5b11f7d91 10
ryood 2:46e25b11a043 11 //SPISlave SpiS(PA_7, PA_6, PA_5, PA_4); // mosi, miso, sclk, ssel
ryood 2:46e25b11a043 12 // SPI2
ryood 2:46e25b11a043 13 SPISlave SpiS(PB_15, PB_14, PB_13, PB_12); // mosi, miso, sclk, ssel
ryood 0:4cc5b11f7d91 14
ryood 1:ba17cd3b6ecf 15 unsigned int step = 0;
ryood 1:ba17cd3b6ecf 16
ryood 1:ba17cd3b6ecf 17 void stepUp(void const* arg)
ryood 1:ba17cd3b6ecf 18 {
ryood 1:ba17cd3b6ecf 19 step++;
ryood 1:ba17cd3b6ecf 20
ryood 1:ba17cd3b6ecf 21 // Slaveにinterruptをかける。
ryood 1:ba17cd3b6ecf 22 StepChangePin.write(1);
ryood 1:ba17cd3b6ecf 23 StepChangePin.write(0);
ryood 1:ba17cd3b6ecf 24 }
ryood 1:ba17cd3b6ecf 25
ryood 0:4cc5b11f7d91 26 int main()
ryood 0:4cc5b11f7d91 27 {
ryood 0:4cc5b11f7d91 28 printf("\r\n\nNucleo rtos SPISlave Test..\r\n");
ryood 0:4cc5b11f7d91 29
ryood 1:ba17cd3b6ecf 30 // Setup LED
ryood 0:4cc5b11f7d91 31 for (int i = 0; i < 5; i++) {
ryood 0:4cc5b11f7d91 32 Leds.write(0x3f);
ryood 0:4cc5b11f7d91 33 Thread::wait(100);
ryood 0:4cc5b11f7d91 34 Leds.write(0x00);
ryood 0:4cc5b11f7d91 35 Thread::wait(100);
ryood 0:4cc5b11f7d91 36 }
ryood 0:4cc5b11f7d91 37
ryood 1:ba17cd3b6ecf 38 // Setup SPISlave
ryood 0:4cc5b11f7d91 39 SpiS.format(8, 0);
ryood 0:4cc5b11f7d91 40 SpiS.frequency(SPI_SPEED);
ryood 0:4cc5b11f7d91 41
ryood 1:ba17cd3b6ecf 42 // RtosTimer
ryood 1:ba17cd3b6ecf 43 RtosTimer stepTimer(stepUp, osTimerPeriodic, (void *)0);
ryood 3:e35c6a9ad906 44 stepTimer.start(500); // BPM:30
ryood 1:ba17cd3b6ecf 45
ryood 0:4cc5b11f7d91 46 SpiS.reply(0);
ryood 3:e35c6a9ad906 47 uint8_t prevVal = 0;
ryood 3:e35c6a9ad906 48 uint8_t errCount = 0;
ryood 0:4cc5b11f7d91 49 while(1) {
ryood 0:4cc5b11f7d91 50 if(SpiS.receive()) {
ryood 3:e35c6a9ad906 51 uint8_t val = SpiS.read(); // Read byte from master
ryood 3:e35c6a9ad906 52 prevVal++;
ryood 3:e35c6a9ad906 53 if (val != prevVal) {
ryood 3:e35c6a9ad906 54 errCount++;
ryood 3:e35c6a9ad906 55 Leds.write(errCount);
ryood 3:e35c6a9ad906 56 }
ryood 3:e35c6a9ad906 57 prevVal = val;
ryood 1:ba17cd3b6ecf 58 SpiS.reply(step % 16);
ryood 0:4cc5b11f7d91 59 }
ryood 0:4cc5b11f7d91 60 }
ryood 0:4cc5b11f7d91 61 }