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:
7:e634eeafc4d2
Parent:
4:6240b9c7a033
Child:
8:7a9c61242e2f
--- a/DW1000/DW1000.cpp	Tue Nov 18 13:39:50 2014 +0000
+++ b/DW1000/DW1000.cpp	Tue Nov 18 14:06:48 2014 +0000
@@ -1,10 +1,12 @@
 #include "DW1000.h"
 
-DW1000::DW1000(PinName MOSI, PinName MISO, PinName SCLK, PinName CS) : spi(MOSI, MISO, SCLK), cs(CS)
+DW1000::DW1000(PinName MOSI, PinName MISO, PinName SCLK, PinName CS, PinName IRQ) : spi(MOSI, MISO, SCLK), cs(CS), irq(IRQ)
 {
     deselect();                         // Chip must be deselected first
     spi.format(8,0);                    // Setup the spi for standard 8 bit data and SPI-Mode 0 (GPIO5, GPIO6 open circuit or ground on DW1000)
     spi.frequency(1000000);             // with a 1MHz clock rate (worked up to 49MHz in our Test)
+    
+    irq.rise(this, &DW1000::ISR);
 }
 
 uint32_t DW1000::getDeviceID() {
@@ -23,23 +25,6 @@
     writeRegister(DW1000_EUI, 0, (uint8_t*)&EUI, 8);
 }
 
-void DW1000::sendFrame(char* message, int length) {
-    writeRegister(DW1000_TX_BUFFER, 0, (uint8_t*)message, length);  // fill buffer
-    
-    uint16_t framelength = length+2;                                // put length of frame including 2 CRC Bytes
-    writeRegister(DW1000_TX_FCTRL, 0, (uint8_t*)&framelength, 1);
-    
-    uint8_t txstart = 0x02;                                         // trigger sending process
-    writeRegister(DW1000_SYS_CTRL, 0, &txstart, 1);
-}
-
-void DW1000::resetRX() {
-    uint8_t resetrx = 0xE0;     //set rx reset
-    writeRegister(DW1000_PMSC, 3, &resetrx, 1);
-    resetrx = 0xf0;             //clear RX reset
-    writeRegister(DW1000_PMSC, 3, &resetrx, 1);
-}
-
 float DW1000::getVoltage() {
     uint8_t buffer[7] = {0x80, 0x0A, 0x0F, 0x01, 0x00}; // algorithm form DW1000 User Manual p57
     writeRegister(DW1000_RF_CONF, 0x11, buffer, 2);
@@ -52,6 +37,26 @@
     return Voltage;
 }
 
+void DW1000::sendFrame(char* message, int length) {
+    writeRegister(DW1000_TX_BUFFER, 0, (uint8_t*)message, length);  // fill buffer
+    
+    uint16_t framelength = length+2;                                // put length of frame including 2 CRC Bytes
+    writeRegister(DW1000_TX_FCTRL, 0, (uint8_t*)&framelength, 1);
+    
+    uint8_t txstart = 0x02;                                         // trigger sending process
+    writeRegister(DW1000_SYS_CTRL, 0, &txstart, 1);
+}
+
+void DW1000::ISR() {
+    callbackRX();
+}
+
+void DW1000::resetRX() {
+    uint8_t resetrx = 0xE0;     //set rx reset
+    writeRegister(DW1000_PMSC, 3, &resetrx, 1);
+    resetrx = 0xf0;             //clear RX reset
+    writeRegister(DW1000_PMSC, 3, &resetrx, 1);
+}
 
 // SPI Interface ------------------------------------------------------------------------------------
 void DW1000::readRegister(uint8_t reg, uint16_t subaddress, uint8_t *buffer, int length)