Ryo Od
/
Nucleo_rtos_SPISlave_Test
SPI Slave Test.
main.cpp@2:46e25b11a043, 2016-10-01 (annotated)
- Committer:
- ryood
- Date:
- Sat Oct 01 12:33:07 2016 +0000
- Revision:
- 2:46e25b11a043
- Parent:
- 1:ba17cd3b6ecf
- Child:
- 3:938e95903872
Change SPISlave to SPI2
Who changed what in which revision?
User | Revision | Line number | New 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 | 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 | 1:ba17cd3b6ecf | 44 | stepTimer.start(250); // BPM:60 |
ryood | 1:ba17cd3b6ecf | 45 | |
ryood | 0:4cc5b11f7d91 | 46 | SpiS.reply(0); |
ryood | 0:4cc5b11f7d91 | 47 | while(1) { |
ryood | 0:4cc5b11f7d91 | 48 | if(SpiS.receive()) { |
ryood | 0:4cc5b11f7d91 | 49 | int v = SpiS.read(); // Read byte from master |
ryood | 0:4cc5b11f7d91 | 50 | Leds.write(v); |
ryood | 1:ba17cd3b6ecf | 51 | SpiS.reply(step % 16); |
ryood | 0:4cc5b11f7d91 | 52 | } |
ryood | 0:4cc5b11f7d91 | 53 | } |
ryood | 0:4cc5b11f7d91 | 54 | } |