Helmut Tschemernjak / Mbed OS Nucleo-mbed-os-example-blinky

Important changes to repositories hosted on mbed.com

Mbed hosted mercurial repositories are deprecated and are due to be permanently deleted in July 2026.

To keep a copy of this software download the repository Zip archive or clone locally using Mercurial.

It is also possible to export all your personal repositories from the account settings page.

Fork of Nucleo-mbed-os-example-blinky by Helmut Tschemernjak

Files at this revision

API Documentation at this revision

Revision 6:a40d570cbe50, committed 2017-01-29

Comitter:
Helmut64
Date:
Sun Jan 29 10:18:53 2017 +0000
Parent:
5:7db87ff5ed38
Commit message:
Added HAL SPI testing.

Changed in this revision

main.cpp Show annotated file Show diff for this revision Revisions of this file 
diff -r 7db87ff5ed38 -r a40d570cbe50 main.cpp
--- a/main.cpp	Sat Jan 21 09:03:18 2017 +0000
+++ b/main.cpp	Sun Jan 29 10:18:53 2017 +0000
@@ -3,28 +3,59 @@
 DigitalOut myled(LED1);
 InterruptIn event(USER_BUTTON);
 
+event_callback_t spiCb;
+
+#if DEVICE_SPI_ASYNCH
+#define SPI_S(obj)    (( struct spi_s *)(&(obj->spi)))
+#else
+#define SPI_S(obj)    (( struct spi_s *)(obj))
+#endif
+
 bool pressed = false;
+bool transferDone = false;
 
 void KeyPressed()
 {
     pressed = true;
 }
 
+void SPIDone(int events)
+{
+    transferDone = true;
+}
+
 int main() {
     event.fall(&KeyPressed);
-
+    
+    spiCb.attach(SPIDone);
+    
     while(1) {
         myled = 1; // LED is ON
         wait(0.2); // 200 ms
         myled = 0; // LED is OFF
         wait(1.0); // 1 sec
         if (pressed) {
-            SPI *s = new SPI(PA_7, PA_6, PA_8);
-            s->frequency(40000000);
-            s->write(0xff);
+            myled = 1;
+            SPI *s = new SPI(PB_5, PB_4, PB_3);
+            s->frequency(100000);
+            
+            struct spi_s *spiobj = SPI_S(((spi_t *)( (char *)s+4) ));
+            SPI_HandleTypeDef *handle = &(spiobj->handle);
+            
+            
+            for(int i = 0; i < 400000000; i++) {
+                uint8_t send[] = { 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x55, 0x00 };
+                uint8_t rcv[] = { 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00 };
+                //s->write(0xff);
+                HAL_SPI_Transmit(handle, send, 10, 10);
+                //HAL_SPI_Receive(handle, rcv, 10, 10);
+                
+            }
+            //s->transfer((uint8_t*)"aaa", 3, (uint8_t*)NULL, 0, spiCb, SPI_EVENT_COMPLETE);
+            // s->transfer((uint8_t*)"aaa", 3, (uint8_t*)NULL, 0, spiCb);
             delete s;
             deepsleep();
             pressed = false;
         }
     }
-}
+}
\ No newline at end of file