Matthias Grob & Manuel Stalder / Mbed 2 deprecated DecaWave

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

main.cpp@4:6240b9c7a033, 2014-11-18 (annotated)

Committer:
manumaet
Date:
Tue Nov 18 12:44:22 2014 +0000
Revision:
4:6240b9c7a033
Parent:
3:69587fadfa87
Child:
5:111f11c95d27
managed to get multiple frames via resetRX()

Who changed what in which revision?

UserRevisionLine numberNew contents of line
manumaet 0:f50e671ffff7 1 #include "mbed.h"
manumaet 0:f50e671ffff7 2 #include "PC.h" // Serial Port via USB for debugging with Terminal
manumaet 0:f50e671ffff7 3 #include "DW1000.h"
manumaet 0:f50e671ffff7 4
manumaet 0:f50e671ffff7 5 PC pc(USBTX, USBRX, 921600); // USB UART Terminal
manumaet 0:f50e671ffff7 6 DW1000 dw(D11, D12, D13, D10); // SPI1 on Nucleo Board (MOSI, MISO, SCLK, CS)
manumaet 0:f50e671ffff7 7
manumaet 0:f50e671ffff7 8 /*uint32_t read32Bit(uint8_t reg, uint16_t subaddress) {
manumaet 0:f50e671ffff7 9 uint32_t result = 0;
manumaet 0:f50e671ffff7 10
manumaet 0:f50e671ffff7 11 }*/
manumaet 0:f50e671ffff7 12
manumaet 0:f50e671ffff7 13 int main() {
manumaet 4:6240b9c7a033 14 int i=0;
manumaet 0:f50e671ffff7 15 pc.printf("DecaWave 0.1\r\nup and running!\r\n");
manumaet 0:f50e671ffff7 16
manumaet 0:f50e671ffff7 17 dw.setEUI(0xFAEDCD01FAEDCD01);
manumaet 4:6240b9c7a033 18 pc.printf("%d DEVICE_ID register: 0x%X\r\n", i, dw.getDeviceID());
manumaet 4:6240b9c7a033 19 pc.printf("%d EUI register: %016llX\r\n", i, dw.getEUI());
manumaet 4:6240b9c7a033 20 pc.printf("%d Voltage: %f\r\n", i, dw.getVoltage());
manumaet 0:f50e671ffff7 21
manumaet 4:6240b9c7a033 22 // read System Configuration
manumaet 4:6240b9c7a033 23 uint32_t conf = 0;
manumaet 4:6240b9c7a033 24 dw.readRegister(DW1000_SYS_CFG, 0, (uint8_t*)&conf, 4);
manumaet 4:6240b9c7a033 25 pc.printf("%d System Configuration: %X\r\n", i, conf);
manumaet 4:6240b9c7a033 26
manumaet 4:6240b9c7a033 27 wait(5);
manumaet 0:f50e671ffff7 28 while(1) {
manumaet 0:f50e671ffff7 29 i++;
manumaet 0:f50e671ffff7 30
manumaet 3:69587fadfa87 31 # if 0 // to make one node sender and one receiver
manumaet 0:f50e671ffff7 32 // Send something
manumaet 4:6240b9c7a033 33 char message[20] = "HELLO WORLD!";
manumaet 4:6240b9c7a033 34 sprintf((char*)message, "HELLO WORLD! %d", i);
manumaet 4:6240b9c7a033 35 dw.sendFrame(message, 20);
manumaet 0:f50e671ffff7 36
manumaet 4:6240b9c7a033 37 uint8_t messagecheck[20];
manumaet 4:6240b9c7a033 38 dw.readRegister(DW1000_TX_BUFFER, 0, messagecheck, 20);
manumaet 4:6240b9c7a033 39 pc.printf("Message in buffer: %s\r\n", messagecheck);
manumaet 4:6240b9c7a033 40 wait(2);
manumaet 4:6240b9c7a033 41 # else
manumaet 0:f50e671ffff7 42
manumaet 0:f50e671ffff7 43 // Receive something
manumaet 0:f50e671ffff7 44 uint8_t rxenable = 0x01; // start listening
manumaet 0:f50e671ffff7 45 dw.writeRegister(DW1000_SYS_CTRL, 1, &rxenable, 1);
manumaet 0:f50e671ffff7 46
manumaet 2:16e45ff70baf 47 uint8_t frameready = 0; // check if frame received
manumaet 4:6240b9c7a033 48 while (frameready == 0 /*& 0x20) != 0x20*/) { // while no frame ready
manumaet 2:16e45ff70baf 49 i++;
manumaet 4:6240b9c7a033 50
manumaet 2:16e45ff70baf 51 pc.printf("%d Waiting for frame... \r\n", i);
manumaet 2:16e45ff70baf 52 dw.readRegister(DW1000_SYS_STATUS, 1, &frameready, 1);
manumaet 3:69587fadfa87 53 pc.printf("Status: %X\r\n", frameready);
manumaet 4:6240b9c7a033 54 uint8_t receive[20] = "NOTHING IN!!"; // get data from buffer
manumaet 4:6240b9c7a033 55 dw.readRegister(DW1000_RX_BUFFER, 0, receive, 20);
manumaet 4:6240b9c7a033 56 pc.printf("Message would be: %s\r\n", receive);
manumaet 4:6240b9c7a033 57 wait(0.3);
manumaet 2:16e45ff70baf 58 }
manumaet 0:f50e671ffff7 59
manumaet 4:6240b9c7a033 60 uint8_t receive[20] = "NOTHING IN!!"; // get data from buffer
manumaet 4:6240b9c7a033 61 dw.readRegister(DW1000_RX_BUFFER, 0, receive, 20);
manumaet 4:6240b9c7a033 62 pc.printf("Message received: %s -------------------------\r\n", receive);
manumaet 4:6240b9c7a033 63
manumaet 4:6240b9c7a033 64 dw.readRegister(DW1000_SYS_STATUS, 1, &frameready, 1);
manumaet 4:6240b9c7a033 65 pc.printf("Status: %X\r\n", frameready);
manumaet 4:6240b9c7a033 66
manumaet 4:6240b9c7a033 67 dw.resetRX();
manumaet 4:6240b9c7a033 68 wait(0.5);
manumaet 4:6240b9c7a033 69 continue;
manumaet 4:6240b9c7a033 70
manumaet 0:f50e671ffff7 71 # endif
manumaet 4:6240b9c7a033 72
manumaet 0:f50e671ffff7 73 }
manumaet 0:f50e671ffff7 74 }