Diff: main.cpp

Revision:

6:a40d570cbe50

Parent:

5:7db87ff5ed38

--- 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