This is the DW1000 driver and our self developed distance measurement application based on it. We do this as a semester thesis at ETH Zürich under the Automatic Control Laboratory in the Department of electrical engineering.

Dependencies:   mbed

Revision:
2:16e45ff70baf
Parent:
1:1311e7af0a5c
Child:
3:69587fadfa87
--- a/main.cpp	Sun Nov 16 10:04:00 2014 +0000
+++ b/main.cpp	Mon Nov 17 13:11:57 2014 +0000
@@ -27,19 +27,19 @@
         dw.readRegister(DW1000_SYS_CFG, 0, (uint8_t*)&conf, 4);
         pc.printf("%d System Configuration: %X\r\n", i, conf);
         
-# if 0                      // to make one node sender and one receiver
+# if 1                      // to make one node sender and one receiver
         // Send something
         uint8_t message[13] = "HELLO WORLD!";   // fill buffer
-        //sprintf((char*)message, "%d World!!", i);
+        sprintf((char*)message, "Hello: %d!", i);
         dw.writeRegister(DW1000_TX_BUFFER, 0, message, 13);
         uint8_t messagecheck[13];
         dw.readRegister(DW1000_TX_BUFFER, 0, messagecheck, 13);
         pc.printf("Message in buffer: %s\r\n", messagecheck);
         
-        uint16_t framelength = 13;              // put length of frame
+        uint16_t framelength = 13+2;              // put length of frame
         dw.writeRegister(DW1000_TX_FCTRL, 0, (uint8_t*)&framelength, 1);
         
-        if ((i % 2) == 0) {
+        if (i == 4) {
             uint8_t txstart = 0x02;             // trigger sending process
             dw.writeRegister(DW1000_SYS_CTRL, 0, &txstart, 1);
         }
@@ -48,13 +48,17 @@
         uint8_t rxenable = 0x01;                // start listening
         dw.writeRegister(DW1000_SYS_CTRL, 1, &rxenable, 1);
         
-        //uint8_t frameready = 0;                 // check if frame received
-        //while (frameready != 0x20) {
-        //    i++;
-        //    pc.printf("%d Waiting for frame... \r\n", i);
-        //    dw.readRegister(DW1000_SYS_STATUS, 1, &frameready, 13);
-        //    wait(0.5);
-        //}
+        uint8_t frameready = 0;                 // check if frame received
+        while ((frameready & 0x20) != 0x20) {   // while no frame ready
+            i++;
+            pc.printf("%d Waiting for frame... \r\n", i);
+            dw.readRegister(DW1000_SYS_STATUS, 1, &frameready, 1);
+            pc.printf("%X\r\n", frameready);
+            uint8_t receive[13] = "NOTHING IN!!";   // get data from buffer
+            dw.readRegister(DW1000_RX_BUFFER, 0, receive, 13);
+            pc.printf("Message would be: %s\r\n", receive);
+            wait(0.5);
+        }
         
         uint8_t receive[13] = "NOTHING IN!!";   // get data from buffer
         dw.readRegister(DW1000_RX_BUFFER, 0, receive, 13);