Shuto Naruse
Eurobot2012_Beacons
Revision 0:b8be0a00c4f8, committed 2012-04-18
- Comitter:
- narshu
- Date:
- Wed Apr 18 21:08:20 2012 +0000
- Child:
- 1:b0aa1251016a
- Commit message:
- complete beacon code;
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RF12B/.lib Wed Apr 18 21:08:20 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/madcowswe/libraries/RF12B/m53nup \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RF12B/RF12B.cpp Wed Apr 18 21:08:20 2012 +0000
@@ -0,0 +1,393 @@
+#include "RF12B.h"
+
+#include "RF_defs.h"
+#include "defines.h"
+#include <algorithm>
+
+RF12B::RF12B(PinName _SDI,
+ PinName _SDO,
+ PinName _SCK,
+ PinName _NCS,
+ PinName _NIRQ,
+ PinName _TRIG):spi(_SDI, _SDO, _SCK),
+ NCS(_NCS), NIRQ(_NIRQ), NIRQ_in(_NIRQ), rfled(LED3),trigLED(LED1),TRIG(_TRIG) {
+
+ /* SPI frequency, word lenght, polarity and phase */
+ spi.format(16,0);
+ spi.frequency(2000000);
+
+ /* Set ~CS high */
+ NCS = 1;
+
+ /* Initialise RF Module */
+ init();
+
+ /* Setup interrupt to happen on falling edge of NIRQ */
+ NIRQ.fall(this, &RF12B::rxISR);
+
+ /* Dummy code init */
+ rfCode = 0x00;
+}
+
+/* Returns the packet length if data is available in the receive buffer, 0 otherwise*/
+unsigned int RF12B::available() {
+ return fifo.size();
+}
+
+/* Reads a packet of data, with length "size" Returns false if read failed. TODO: make a metafifo to isolate packets*/
+bool RF12B::read(unsigned char* data, unsigned int size) {
+ if (fifo.size() == 0) {
+ return false;
+ } else {
+ unsigned int i = 0;
+ while (fifo.size() > 0 && i < size) {
+ data[i++] = fifo.front();
+ fifo.pop();
+ }
+ return true;
+ }
+}
+
+/* Reads a byte of data from the receive buffer */
+unsigned char RF12B::read() {
+ if (available()) {
+ unsigned char data = fifo.front();
+ fifo.pop();
+ return data;
+ } else {
+ return 0xFF; // Error val although could also be data...
+ }
+}
+
+/* Sends a packet of data to the RF module for transmission TODO: Make asych*/
+void RF12B::write(unsigned char *data, unsigned char length) {
+ unsigned char crc = 0;
+
+ /* Transmitter mode */
+ changeMode(TX);
+
+ writeCmd(0x0000);
+ send(0xAA); // PREAMBLE
+ send(0xAA);
+ send(0xAA);
+ send(0x2D); // SYNC
+ send(0xD4);
+ /* Packet Length */
+ send(length);
+ crc = crc8(crc, length);
+ send(crc);
+ crc = crc8(crc, crc);
+ /* Packet Data */
+ for (unsigned char i=0; i<length; i++) {
+ send(data[i]);
+ crc = crc8(crc, data[i]);
+ }
+ send(crc);
+ send(0xAA); // DUMMY BYTES
+ send(0xAA);
+ send(0xAA);
+
+ /* Back to receiver mode */
+ changeMode(RX);
+ status();
+}
+
+/* Transmit a 1-byte data packet */
+void RF12B::write(unsigned char data) {
+ write(&data, 1);
+}
+
+void RF12B::write(queue<char> &data, int length) {
+ char crc = 0;
+ char length_byte = 0;
+
+ /* -1 means try to transmit everything in the queue */
+ if (length == -1) {
+ length = data.size();
+ }
+
+ /* max length of packet is 255 */
+ length_byte = min(length, 255);
+
+ /* Transmitter mode */
+ changeMode(TX);
+
+ writeCmd(0x0000);
+ send(0xAA); // PREAMBLE
+ send(0xAA);
+ send(0xAA);
+ send(0x2D); // SYNC
+ send(0xD4);
+ /* Packet Length */
+ send(length_byte);
+ crc = crc8(crc, length_byte);
+ send(crc);
+ crc = crc8(crc, crc);
+ /* Packet Data */
+ for (char i=0; i<length_byte; i++) {
+ send(data.front());
+ crc = crc8(crc, data.front());
+ data.pop();
+ }
+ send(crc);
+ send(0xAA); // DUMMY BYTES
+ send(0xAA);
+ send(0xAA);
+
+ /* Back to receiver mode */
+ changeMode(RX);
+ status();
+}
+
+/**********************************************************************
+ * PRIVATE FUNCTIONS
+ *********************************************************************/
+
+/* Initialises the RF12B module */
+void RF12B::init() {
+ /* writeCmd(0x80E7); //EL,EF,868band,12.0pF
+ changeMode(RX);
+ writeCmd(0xA640); //frequency select
+ writeCmd(0xC647); //4.8kbps
+ writeCmd(0x94A0); //VDI,FAST,134kHz,0dBm,-103dBm
+ writeCmd(0xC2AC); //AL,!ml,DIG,DQD4
+ writeCmd(0xCA81); //FIFO8,SYNC,!ff,DR
+ writeCmd(0xCED4); //SYNC=2DD4
+ writeCmd(0xC483); //@PWR,NO RSTRIC,!st,!fi,OE,EN
+ writeCmd(0x9850); //!mp,90kHz,MAX OUT
+ writeCmd(0xCC17); //OB1, COB0, LPX, Iddy, CDDIT�CBW0
+ writeCmd(0xE000); //NOT USED
+ writeCmd(0xC800); //NOT USED
+ writeCmd(0xC040); //1.66MHz,2.2V */
+
+ writeCmd(
+ RFM_CONFIG_EL |
+ RFM_CONFIG_EF |
+ RFM_CONFIG_BAND_433 //|
+ //RFM_CONFIG_X_11_0pf // meh, using default
+ );
+
+ // 2. Power Management Command
+ // leave everything switched off for now
+ /*
+ writeCmd(
+ RFM_POWER_MANAGEMENT // switch all off
+ );
+ */
+
+ // 3. Frequency Setting Command
+ writeCmd(
+ RFM_FREQUENCY |
+ RFM_FREQ_433Band(435.7) //I totally made this value up... if someone knows where the sweetspots are in this band, tell me!
+ );
+
+
+ // 4. Data Rate Command
+ writeCmd(RFM_DATA_RATE_9600);
+
+
+ // 5. Receiver Control Command
+ writeCmd(
+ RFM_RX_CONTROL_P20_VDI |
+ RFM_RX_CONTROL_VDI_FAST |
+ //RFM_RX_CONTROL_BW(RFM_BAUD_RATE) |
+ RFM_RX_CONTROL_BW_134 | // CHANGE THIS TO 67 TO IMPROVE RANGE! (though the bitrate must then be below 8kbaud, and fsk modulation changed)
+ RFM_RX_CONTROL_GAIN_0 |
+ RFM_RX_CONTROL_RSSI_103 // Might need adjustment. Datasheet says around 10^-5 bit error rate at this level and baudrate.
+ );
+
+ // 6. Data Filter Command
+ writeCmd(
+ RFM_DATA_FILTER_AL |
+ RFM_DATA_FILTER_ML |
+ RFM_DATA_FILTER_DIG //|
+ //RFM_DATA_FILTER_DQD(4)
+ );
+
+ // 7. FIFO and Reset Mode Command
+ writeCmd(
+ RFM_FIFO_IT(8) |
+ RFM_FIFO_DR |
+ 0x8 //turn on 16bit sync word
+ );
+
+ // 8. FIFO Syncword
+ // Leave as default: 0xD4
+
+ // 9. Receiver FIFO Read
+ // when the interupt goes high, (and if we can assume that it was a fifo fill interrupt) we can read a byte using:
+ // result = RFM_READ_FIFO();
+
+ // 10. AFC Command
+ writeCmd(
+ //RFM_AFC_AUTO_VDI | //Note this might be changed to improve range. Refer to datasheet.
+ RFM_AFC_AUTO_INDEPENDENT |
+ RFM_AFC_RANGE_LIMIT_7_8 |
+ RFM_AFC_EN |
+ RFM_AFC_OE |
+ RFM_AFC_FI
+ );
+
+ // 11. TX Configuration Control Command
+ writeCmd(
+ RFM_TX_CONTROL_MOD_60 |
+ RFM_TX_CONTROL_POW_0
+ );
+
+
+ // 12. PLL Setting Command
+ writeCmd(
+ 0xCC77 & ~0x01 // Setting the PLL bandwith, less noise, but max bitrate capped at 86.2
+ // I think this will slow down the pll's reaction time. Not sure, check with someone!
+ );
+
+ changeMode(RX);
+ resetRX();
+ status();
+}
+
+/* Write a command to the RF Module */
+unsigned int RF12B::writeCmd(unsigned int cmd) {
+ NCS = 0;
+ unsigned int recv = spi.write(cmd);
+ NCS = 1;
+ return recv;
+}
+
+/* Sends a byte of data across RF */
+void RF12B::send(unsigned char data) {
+ while (NIRQ);
+ writeCmd(0xB800 + data);
+}
+
+/* Change the mode of the RF module to Transmitting or Receiving */
+void RF12B::changeMode(rfmode_t _mode) {
+ mode = _mode;
+ if (_mode == TX) {
+ writeCmd(0x8239); //!er,!ebb,ET,ES,EX,!eb,!ew,DC
+ } else { /* mode == RX */
+ writeCmd(0x8299); //er,!ebb,ET,ES,EX,!eb,!ew,DC
+ }
+}
+
+/* Interrupt routine for data reception */
+void RF12B::rxISR() {
+ unsigned int data = 0;
+ static int i = -2;
+ static unsigned char packet_length = 0;
+ static unsigned char crc = 0;
+ static queue<unsigned char> temp;
+
+ //Loop while interrupt is asserted
+ while (!NIRQ_in && mode == RX) {
+
+ /* Grab the packet's length byte */
+ if (i == -2) {
+ data = writeCmd(0x0000);
+ if ( (data&0x8000) ) {
+ data = writeCmd(0xB000);
+ packet_length = (data&0x00FF);
+ crc = crc8(crc, packet_length);
+ i++;
+ }
+ }
+
+ //If we exhaust the interrupt, exit
+ if (NIRQ_in)
+ break;
+
+ // Check that packet length was correct
+ if (i == -1) {
+ data = writeCmd(0x0000);
+ if ( (data&0x8000) ) {
+ data = writeCmd(0xB000);
+ unsigned char crcofsize = (data&0x00FF);
+ if (crcofsize != crc) {
+ //It was wrong, start over
+ i = -2;
+ packet_length = 0;
+ crc = 0;
+ temp = queue<unsigned char>();
+ resetRX();
+ } else {
+ crc = crc8(crc, crcofsize);
+ i++;
+ }
+ }
+ }
+
+ //If we exhaust the interrupt, exit
+ if (NIRQ_in)
+ break;
+
+ /* Grab the packet's data */
+ if (i >= 0 && i < packet_length) {
+ data = writeCmd(0x0000);
+ if ( (data&0x8000) ) {
+ data = writeCmd(0xB000);
+ temp.push(data&0x00FF);
+ crc = crc8(crc, (unsigned char)(data&0x00FF));
+ i++;
+ }
+ }
+
+ //If we exhaust the interrupt, exit
+ if (NIRQ_in)
+ break;
+
+ if (i >= packet_length) {
+ data = writeCmd(0x0000);
+ if ( (data&0x8000) ) {
+ data = writeCmd(0xB000);
+ if ((unsigned char)(data & 0x00FF) == crc) {
+ //If the checksum is correct, add our data to the end of the output buffer
+ while (!temp.empty()) {
+ fifo.push(temp.front());
+ temp.pop();
+ }
+ }
+
+ /* Tell RF Module we are finished, and clean up */
+ i = -2;
+ packet_length = 0;
+ crc = 0;
+ temp = queue<unsigned char>();
+ resetRX();
+ }
+ }
+ }
+ if (read() == rfCode) {
+ TRIG = 1;
+ wait_us(10);
+ TRIG = 0;
+ trigLED = !trigLED;
+ }
+}
+
+unsigned int RF12B::status() {
+ return writeCmd(0x0000);
+}
+
+/* Tell the RF Module this packet is received and wait for the next */
+void RF12B::resetRX() {
+ writeCmd(0xCA81);
+ writeCmd(0xCA83);
+};
+
+/* Calculate CRC8 */
+unsigned char RF12B::crc8(unsigned char crc, unsigned char data) {
+ crc = crc ^ data;
+ for (int i = 0; i < 8; i++) {
+ if (crc & 0x01) {
+ crc = (crc >> 1) ^ 0x8C;
+ } else {
+ crc >>= 1;
+ }
+ }
+ return crc;
+}
+
+/* RF code set */
+void RF12B::setCode(unsigned char code){
+rfCode = code;
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RF12B/RF12B.h Wed Apr 18 21:08:20 2012 +0000
@@ -0,0 +1,84 @@
+#ifndef _RF12B_H
+#define _RF12B_H
+
+#include "mbed.h"
+#include <queue>
+
+enum rfmode_t{RX, TX};
+
+class RF12B {
+public:
+ /* Constructor */
+ RF12B(PinName SDI,
+ PinName SDO,
+ PinName SCK,
+ PinName NCS,
+ PinName NIRQ,
+ PinName TRIG);
+
+
+
+ /* Reads a packet of data. Returns false if read failed. Use available() to check how much space to allocate for buffer */
+ bool read(unsigned char* data, unsigned int size);
+
+ /* Reads a byte of data from the receive buffer
+ Returns 0xFF if there is no data */
+ unsigned char read();
+
+ /* Transmits a packet of data */
+ void write(unsigned char* data, unsigned char length);
+ void write(unsigned char data); /* 1-byte packet */
+ void write(queue<char> &data, int length = -1); /* sends a whole queue */
+
+ /* Returns the packet length if data is available in the receive buffer, 0 otherwise*/
+ unsigned int available();
+
+ /* RF code setting */
+ void setCode(unsigned char code);
+
+protected:
+ /* Receive FIFO buffer */
+ queue<unsigned char> fifo;
+
+ /* SPI module */
+ SPI spi;
+
+ /* Other digital pins */
+ DigitalOut NCS;
+ InterruptIn NIRQ;
+ DigitalIn NIRQ_in;
+ DigitalOut rfled;
+ DigitalOut trigLED;
+ DigitalOut TRIG;
+
+ rfmode_t mode;
+
+ /* Initialises the RF12B module */
+ void init();
+
+ /* Write a command to the RF Module */
+ unsigned int writeCmd(unsigned int cmd);
+
+ /* Sends a byte of data across RF */
+ void send(unsigned char data);
+
+ /* Switch module between receive and transmit modes */
+ void changeMode(rfmode_t mode);
+
+ /* Interrupt routine for data reception */
+ void rxISR();
+
+ /* Tell the RF Module this packet is received and wait for the next */
+ void resetRX();
+
+ /* Return the RF Module Status word */
+ unsigned int status();
+
+ /* Calculate CRC8 */
+ unsigned char crc8(unsigned char crc, unsigned char data);
+
+
+ unsigned char rfCode;
+};
+
+#endif /* _RF12B_H */
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RF12B/RFSerial.cpp Wed Apr 18 21:08:20 2012 +0000
@@ -0,0 +1,26 @@
+
+/* Constructor */
+#include "RFSerial.h"
+
+RFSerial::RFSerial(PinName _SDI,
+ PinName _SDO,
+ PinName _SCK,
+ PinName _NCS,
+ PinName _NIRQ,
+ PinName _TRIG)
+:RF12B(_SDI, _SDO, _SCK, _NCS, _NIRQ, _TRIG) {
+
+}
+
+// Stream implementation functions
+int RFSerial::_putc(int value) {
+ RF12B::write((unsigned char) value);
+ return value;
+}
+int RFSerial::_getc() {
+ if(available()) {
+ return RF12B::read();
+ } else {
+ return EOF;
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/RF12B/RFSerial.h Wed Apr 18 21:08:20 2012 +0000
@@ -0,0 +1,18 @@
+#include "mbed.h"
+#include "RF12B.h"
+
+class RFSerial : public Stream, public RF12B {
+public:
+ /* Constructor */
+ RFSerial(PinName _SDI,
+ PinName _SDO,
+ PinName _SCK,
+ PinName _NCS,
+ PinName _NIRQ,
+ PinName _TRIG);
+
+protected:
+ // Stream implementation functions
+ virtual int _putc(int value);
+ virtual int _getc();
+};
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RF12B/RF_defs.h Wed Apr 18 21:08:20 2012 +0000 @@ -0,0 +1,477 @@ +/* + * Open HR20 + * + * target: ATmega169 @ 4 MHz in Honnywell Rondostat HR20E + * + * compiler: WinAVR-20071221 + * avr-libc 1.6.0 + * GCC 4.2.2 + * + * copyright: 2008 Dario Carluccio (hr20-at-carluccio-dot-de) + * 2008 Jiri Dobry (jdobry-at-centrum-dot-cz) + * 2008 Mario Fischer (MarioFischer-at-gmx-dot-net) + * 2007 Michael Smola (Michael-dot-Smola-at-gmx-dot-net) + * + * license: This program is free software; you can redistribute it and/or + * modify it under the terms of the GNU Library General Public + * License as published by the Free Software Foundation; either + * version 2 of the License, or (at your option) any later version. + * + * This program is distributed in the hope that it will be useful, + * but WITHOUT ANY WARRANTY; without even the implied warranty of + * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + * GNU General Public License for more details. + * + * You should have received a copy of the GNU General Public License + * along with this program. If not, see http:*www.gnu.org/licenses + */ + +/* + * \file rfm.h + * \brief functions to control the RFM12 Radio Transceiver Module + * \author Mario Fischer <MarioFischer-at-gmx-dot-net>; Michael Smola <Michael-dot-Smola-at-gmx-dot-net> + * \date $Date: 2010/04/17 17:57:02 $ + * $Rev: 260 $ + */ + + +//#pragma once // multi-iclude prevention. gcc knows this pragma +#ifndef rfm_H +#define rfm_H + + +#define RFM_SPI_16(OUTVAL) rfm_spi16(OUTVAL) //<! a function that gets a uint16_t (clocked out value) and returns a uint16_t (clocked in value) + +#define RFM_CLK_OUTPUT 0 + +/* +#define RFM_TESTPIN_INIT +#define RFM_TESTPIN_ON +#define RFM_TESTPIN_OFF +#define RFM_TESTPIN_TOG + +#define RFM_CONFIG_DISABLE 0x00 //<! RFM_CONFIG_*** are combinable flags, what the RFM shold do +#define RFM_CONFIG_BROADCASTSTATUS 0x01 //<! Flag that enables the HR20's status broadcast every minute + +#define RFM_CONFIG_ENABLEALL 0xff +*/ + +/////////////////////////////////////////////////////////////////////////////// +// +// RFM status bits +// +/////////////////////////////////////////////////////////////////////////////// + +// Interrupt bits, latched //////////////////////////////////////////////////// + +#define RFM_STATUS_FFIT 0x8000 // RX FIFO reached the progr. number of bits + // Cleared by any FIFO read method + +#define RFM_STATUS_RGIT 0x8000 // TX register is ready to receive + // Cleared by TX write + +#define RFM_STATUS_POR 0x4000 // Power On reset + // Cleared by read status + +#define RFM_STATUS_RGUR 0x2000 // TX register underrun, register over write + // Cleared by read status + +#define RFM_STATUS_FFOV 0x2000 // RX FIFO overflow + // Cleared by read status + +#define RFM_STATUS_WKUP 0x1000 // Wake up timer overflow + // Cleared by read status + +#define RFM_STATUS_EXT 0x0800 // Interupt changed to low + // Cleared by read status + +#define RFM_STATUS_LBD 0x0400 // Low battery detect + +// Status bits //////////////////////////////////////////////////////////////// + +#define RFM_STATUS_FFEM 0x0200 // FIFO is empty +#define RFM_STATUS_ATS 0x0100 // TX mode: Strong enough RF signal +#define RFM_STATUS_RSSI 0x0100 // RX mode: signal strength above programmed limit +#define RFM_STATUS_DQD 0x0080 // Data Quality detector output +#define RFM_STATUS_CRL 0x0040 // Clock recovery lock +#define RFM_STATUS_ATGL 0x0020 // Toggling in each AFC cycle + +/////////////////////////////////////////////////////////////////////////////// +// +// 1. Configuration Setting Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_CONFIG 0x8000 + +#define RFM_CONFIG_EL 0x8080 // Enable TX Register +#define RFM_CONFIG_EF 0x8040 // Enable RX FIFO buffer +#define RFM_CONFIG_BAND_315 0x8000 // Frequency band +#define RFM_CONFIG_BAND_433 0x8010 +#define RFM_CONFIG_BAND_868 0x8020 +#define RFM_CONFIG_BAND_915 0x8030 +#define RFM_CONFIG_X_8_5pf 0x8000 // Crystal Load Capacitor +#define RFM_CONFIG_X_9_0pf 0x8001 +#define RFM_CONFIG_X_9_5pf 0x8002 +#define RFM_CONFIG_X_10_0pf 0x8003 +#define RFM_CONFIG_X_10_5pf 0x8004 +#define RFM_CONFIG_X_11_0pf 0x8005 +#define RFM_CONFIG_X_11_5pf 0x8006 +#define RFM_CONFIG_X_12_0pf 0x8007 +#define RFM_CONFIG_X_12_5pf 0x8008 +#define RFM_CONFIG_X_13_0pf 0x8009 +#define RFM_CONFIG_X_13_5pf 0x800A +#define RFM_CONFIG_X_14_0pf 0x800B +#define RFM_CONFIG_X_14_5pf 0x800C +#define RFM_CONFIG_X_15_0pf 0x800D +#define RFM_CONFIG_X_15_5pf 0x800E +#define RFM_CONFIG_X_16_0pf 0x800F + +/////////////////////////////////////////////////////////////////////////////// +// +// 2. Power Management Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_POWER_MANAGEMENT 0x8200 + +#define RFM_POWER_MANAGEMENT_ER 0x8280 // Enable receiver +#define RFM_POWER_MANAGEMENT_EBB 0x8240 // Enable base band block +#define RFM_POWER_MANAGEMENT_ET 0x8220 // Enable transmitter +#define RFM_POWER_MANAGEMENT_ES 0x8210 // Enable synthesizer +#define RFM_POWER_MANAGEMENT_EX 0x8208 // Enable crystal oscillator +#define RFM_POWER_MANAGEMENT_EB 0x8204 // Enable low battery detector +#define RFM_POWER_MANAGEMENT_EW 0x8202 // Enable wake-up timer +#define RFM_POWER_MANAGEMENT_DC 0x8201 // Disable clock output of CLK pin + +#ifndef RFM_CLK_OUTPUT + #error RFM_CLK_OUTPUT must be defined to 0 or 1 +#endif +#if RFM_CLK_OUTPUT + #define RFM_TX_ON_PRE() RFM_SPI_16( \ + RFM_POWER_MANAGEMENT_ES | \ + RFM_POWER_MANAGEMENT_EX ) + #define RFM_TX_ON() RFM_SPI_16( \ + RFM_POWER_MANAGEMENT_ET | \ + RFM_POWER_MANAGEMENT_ES | \ + RFM_POWER_MANAGEMENT_EX ) + #define RFM_RX_ON() RFM_SPI_16( \ + RFM_POWER_MANAGEMENT_ER | \ + RFM_POWER_MANAGEMENT_EBB | \ + RFM_POWER_MANAGEMENT_ES | \ + RFM_POWER_MANAGEMENT_EX ) + #define RFM_OFF() RFM_SPI_16( \ + RFM_POWER_MANAGEMENT_EX ) +#else + #define RFM_TX_ON_PRE() RFM_SPI_16( \ + RFM_POWER_MANAGEMENT_DC | \ + RFM_POWER_MANAGEMENT_ES | \ + RFM_POWER_MANAGEMENT_EX ) + #define RFM_TX_ON() RFM_SPI_16( \ + RFM_POWER_MANAGEMENT_DC | \ + RFM_POWER_MANAGEMENT_ET | \ + RFM_POWER_MANAGEMENT_ES | \ + RFM_POWER_MANAGEMENT_EX ) + #define RFM_RX_ON() RFM_SPI_16( \ + RFM_POWER_MANAGEMENT_DC | \ + RFM_POWER_MANAGEMENT_ER | \ + RFM_POWER_MANAGEMENT_EBB | \ + RFM_POWER_MANAGEMENT_ES | \ + RFM_POWER_MANAGEMENT_EX ) + #define RFM_OFF() RFM_SPI_16(RFM_POWER_MANAGEMENT_DC) +#endif +/////////////////////////////////////////////////////////////////////////////// +// +// 3. Frequency Setting Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_FREQUENCY 0xA000 + +#define RFM_FREQ_315Band(v) (uint16_t)((v/10.0-31)*4000) +#define RFM_FREQ_433Band(v) (uint16_t)((v/10.0-43)*4000) +#define RFM_FREQ_868Band(v) (uint16_t)((v/20.0-43)*4000) +#define RFM_FREQ_915Band(v) (uint16_t)((v/30.0-30)*4000) + +/////////////////////////////////////////////////////////////////////////////// +// +// 4. Data Rate Command +// +///////////////////////////////////////////////////////////////////////////////// + +#define RFM_BAUD_RATE 9600 + +#define RFM_DATA_RATE 0xC600 + +#define RFM_DATA_RATE_CS 0xC680 +#define RFM_DATA_RATE_4800 0xC647 +#define RFM_DATA_RATE_9600 0xC623 +#define RFM_DATA_RATE_19200 0xC611 +#define RFM_DATA_RATE_38400 0xC608 +#define RFM_DATA_RATE_57600 0xC605 + +#define RFM_SET_DATARATE(baud) ( ((baud)<5400) ? (RFM_DATA_RATE_CS|((43104/(baud))-1)) : (RFM_DATA_RATE|((344828UL/(baud))-1)) ) + +/////////////////////////////////////////////////////////////////////////////// +// +// 5. Receiver Control Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_RX_CONTROL 0x9000 + +#define RFM_RX_CONTROL_P20_INT 0x9000 // Pin20 = ExternalInt +#define RFM_RX_CONTROL_P20_VDI 0x9400 // Pin20 = VDI out + +#define RFM_RX_CONTROL_VDI_FAST 0x9000 // fast VDI Response time +#define RFM_RX_CONTROL_VDI_MED 0x9100 // medium +#define RFM_RX_CONTROL_VDI_SLOW 0x9200 // slow +#define RFM_RX_CONTROL_VDI_ON 0x9300 // Always on + +#define RFM_RX_CONTROL_BW_400 0x9020 // bandwidth 400kHz +#define RFM_RX_CONTROL_BW_340 0x9040 // bandwidth 340kHz +#define RFM_RX_CONTROL_BW_270 0x9060 // bandwidth 270kHz +#define RFM_RX_CONTROL_BW_200 0x9080 // bandwidth 200kHz +#define RFM_RX_CONTROL_BW_134 0x90A0 // bandwidth 134kHz +#define RFM_RX_CONTROL_BW_67 0x90C0 // bandwidth 67kHz + +#define RFM_RX_CONTROL_GAIN_0 0x9000 // LNA gain 0db +#define RFM_RX_CONTROL_GAIN_6 0x9008 // LNA gain -6db +#define RFM_RX_CONTROL_GAIN_14 0x9010 // LNA gain -14db +#define RFM_RX_CONTROL_GAIN_20 0x9018 // LNA gain -20db + +#define RFM_RX_CONTROL_RSSI_103 0x9000 // DRSSI threshold -103dbm +#define RFM_RX_CONTROL_RSSI_97 0x9001 // DRSSI threshold -97dbm +#define RFM_RX_CONTROL_RSSI_91 0x9002 // DRSSI threshold -91dbm +#define RFM_RX_CONTROL_RSSI_85 0x9003 // DRSSI threshold -85dbm +#define RFM_RX_CONTROL_RSSI_79 0x9004 // DRSSI threshold -79dbm +#define RFM_RX_CONTROL_RSSI_73 0x9005 // DRSSI threshold -73dbm +//#define RFM_RX_CONTROL_RSSI_67 0x9006 // DRSSI threshold -67dbm // RF12B reserved +//#define RFM_RX_CONTROL_RSSI_61 0x9007 // DRSSI threshold -61dbm // RF12B reserved + +#define RFM_RX_CONTROL_BW(baud) (((baud)<8000) ? \ + RFM_RX_CONTROL_BW_67 : \ + ( \ + ((baud)<30000) ? \ + RFM_RX_CONTROL_BW_134 : \ + RFM_RX_CONTROL_BW_200 \ + )) + +/////////////////////////////////////////////////////////////////////////////// +// +// 6. Data Filter Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_DATA_FILTER 0xC228 + +#define RFM_DATA_FILTER_AL 0xC2A8 // clock recovery auto-lock +#define RFM_DATA_FILTER_ML 0xC268 // clock recovery fast mode +#define RFM_DATA_FILTER_DIG 0xC228 // data filter type digital +#define RFM_DATA_FILTER_ANALOG 0xC238 // data filter type analog +#define RFM_DATA_FILTER_DQD(level) (RFM_DATA_FILTER | (level & 0x7)) + +/////////////////////////////////////////////////////////////////////////////// +// +// 7. FIFO and Reset Mode Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_FIFO 0xCA00 + +#define RFM_FIFO_AL 0xCA04 // FIFO Start condition sync-word/always +#define RFM_FIFO_FF 0xCA02 // Enable FIFO fill +#define RFM_FIFO_DR 0xCA01 // Disable hi sens reset mode +#define RFM_FIFO_IT(level) (RFM_FIFO | (( (level) & 0xF)<<4)) + +#define RFM_FIFO_OFF() RFM_SPI_16(RFM_FIFO_IT(8) | RFM_FIFO_DR) +#define RFM_FIFO_ON() RFM_SPI_16(RFM_FIFO_IT(8) | RFM_FIFO_FF | RFM_FIFO_DR) + +///////////////////////////////////////////////////////////////////////////// +// +// 8. Receiver FIFO Read +// +///////////////////////////////////////////////////////////////////////////// + +#define RFM_READ_FIFO() (RFM_SPI_16(0xB000) & 0xFF) + +///////////////////////////////////////////////////////////////////////////// +// +// 9. AFC Command +// +///////////////////////////////////////////////////////////////////////////// + +#define RFM_AFC 0xC400 + +#define RFM_AFC_EN 0xC401 +#define RFM_AFC_OE 0xC402 +#define RFM_AFC_FI 0xC404 +#define RFM_AFC_ST 0xC408 + +// Limits the value of the frequency offset register to the next values: + +#define RFM_AFC_RANGE_LIMIT_NO 0xC400 // 0: No restriction +#define RFM_AFC_RANGE_LIMIT_15_16 0xC410 // 1: +15 fres to -16 fres +#define RFM_AFC_RANGE_LIMIT_7_8 0xC420 // 2: +7 fres to -8 fres +#define RFM_AFC_RANGE_LIMIT_3_4 0xC430 // 3: +3 fres to -4 fres + +// fres=2.5 kHz in 315MHz and 433MHz Bands +// fres=5.0 kHz in 868MHz Band +// fres=7.5 kHz in 915MHz Band + +#define RFM_AFC_AUTO_OFF 0xC400 // 0: Auto mode off (Strobe is controlled by microcontroller) +#define RFM_AFC_AUTO_ONCE 0xC440 // 1: Runs only once after each power-up +#define RFM_AFC_AUTO_VDI 0xC480 // 2: Keep the foffset only during receiving(VDI=high) +#define RFM_AFC_AUTO_INDEPENDENT 0xC4C0 // 3: Keep the foffset value independently trom the state of the VDI signal + +/////////////////////////////////////////////////////////////////////////////// +// +// 10. TX Configuration Control Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_TX_CONTROL 0x9800 + +#define RFM_TX_CONTROL_POW_0 0x9800 +#define RFM_TX_CONTROL_POW_3 0x9801 +#define RFM_TX_CONTROL_POW_6 0x9802 +#define RFM_TX_CONTROL_POW_9 0x9803 +#define RFM_TX_CONTROL_POW_12 0x9804 +#define RFM_TX_CONTROL_POW_15 0x9805 +#define RFM_TX_CONTROL_POW_18 0x9806 +#define RFM_TX_CONTROL_POW_21 0x9807 +#define RFM_TX_CONTROL_MOD_15 0x9800 +#define RFM_TX_CONTROL_MOD_30 0x9810 +#define RFM_TX_CONTROL_MOD_45 0x9820 +#define RFM_TX_CONTROL_MOD_60 0x9830 +#define RFM_TX_CONTROL_MOD_75 0x9840 +#define RFM_TX_CONTROL_MOD_90 0x9850 +#define RFM_TX_CONTROL_MOD_105 0x9860 +#define RFM_TX_CONTROL_MOD_120 0x9870 +#define RFM_TX_CONTROL_MOD_135 0x9880 +#define RFM_TX_CONTROL_MOD_150 0x9890 +#define RFM_TX_CONTROL_MOD_165 0x98A0 +#define RFM_TX_CONTROL_MOD_180 0x98B0 +#define RFM_TX_CONTROL_MOD_195 0x98C0 +#define RFM_TX_CONTROL_MOD_210 0x98D0 +#define RFM_TX_CONTROL_MOD_225 0x98E0 +#define RFM_TX_CONTROL_MOD_240 0x98F0 +#define RFM_TX_CONTROL_MP 0x9900 + +#define RFM_TX_CONTROL_MOD(baud) (((baud)<8000) ? \ + RFM_TX_CONTROL_MOD_45 : \ + ( \ + ((baud)<20000) ? \ + RFM_TX_CONTROL_MOD_60 : \ + ( \ + ((baud)<30000) ? \ + RFM_TX_CONTROL_MOD_75 : \ + ( \ + ((baud)<40000) ? \ + RFM_TX_CONTROL_MOD_90 : \ + RFM_TX_CONTROL_MOD_120 \ + ) \ + ) \ + )) + +///////////////////////////////////////////////////////////////////////////// +// +// 11. Transmitter Register Write Command +// +///////////////////////////////////////////////////////////////////////////// + +//#define RFM_WRITE(byte) RFM_SPI_16(0xB800 | ((byte) & 0xFF)) +#define RFM_WRITE(byte) RFM_SPI_16(0xB800 | (byte) ) + +/////////////////////////////////////////////////////////////////////////////// +// +// 12. Wake-up Timer Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_WAKEUP_TIMER 0xE000 +#define RFM_WAKEUP_SET(time) RFM_SPI_16(RFM_WAKEUP_TIMER | (time)) + +#define RFM_WAKEUP_480s (RFM_WAKEUP_TIMER |(11 << 8)| 234) +#define RFM_WAKEUP_240s (RFM_WAKEUP_TIMER |(10 << 8)| 234) +#define RFM_WAKEUP_120s (RFM_WAKEUP_TIMER |(9 << 8)| 234) +#define RFM_WAKEUP_119s (RFM_WAKEUP_TIMER |(9 << 8)| 232) + +#define RFM_WAKEUP_60s (RFM_WAKEUP_TIMER |(8 << 8) | 235) +#define RFM_WAKEUP_59s (RFM_WAKEUP_TIMER |(8 << 8) | 230) + +#define RFM_WAKEUP_30s (RFM_WAKEUP_TIMER |(7 << 8) | 235) +#define RFM_WAKEUP_29s (RFM_WAKEUP_TIMER |(7 << 8) | 227) + +#define RFM_WAKEUP_8s (RFM_WAKEUP_TIMER |(5 << 8) | 250) +#define RFM_WAKEUP_7s (RFM_WAKEUP_TIMER |(5 << 8) | 219) +#define RFM_WAKEUP_6s (RFM_WAKEUP_TIMER |(6 << 8) | 94) +#define RFM_WAKEUP_5s (RFM_WAKEUP_TIMER |(5 << 8) | 156) +#define RFM_WAKEUP_4s (RFM_WAKEUP_TIMER |(5 << 8) | 125) +#define RFM_WAKEUP_1s (RFM_WAKEUP_TIMER |(2 << 8) | 250) +#define RFM_WAKEUP_900ms (RFM_WAKEUP_TIMER |(2 << 8) | 225) +#define RFM_WAKEUP_800ms (RFM_WAKEUP_TIMER |(2 << 8) | 200) +#define RFM_WAKEUP_700ms (RFM_WAKEUP_TIMER |(2 << 8) | 175) +#define RFM_WAKEUP_600ms (RFM_WAKEUP_TIMER |(2 << 8) | 150) +#define RFM_WAKEUP_500ms (RFM_WAKEUP_TIMER |(2 << 8) | 125) +#define RFM_WAKEUP_400ms (RFM_WAKEUP_TIMER |(2 << 8) | 100) +#define RFM_WAKEUP_300ms (RFM_WAKEUP_TIMER |(2 << 8) | 75) +#define RFM_WAKEUP_200ms (RFM_WAKEUP_TIMER |(2 << 8) | 50) +#define RFM_WAKEUP_100ms (RFM_WAKEUP_TIMER |(2 << 8) | 25) + +/////////////////////////////////////////////////////////////////////////////// +// +// 13. Low Duty-Cycle Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_LOW_DUTY_CYCLE 0xC800 + +/////////////////////////////////////////////////////////////////////////////// +// +// 14. Low Battery Detector Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_LOW_BATT_DETECT 0xC000 +#define RFM_LOW_BATT_DETECT_D_1MHZ 0xC000 +#define RFM_LOW_BATT_DETECT_D_1_25MHZ 0xC020 +#define RFM_LOW_BATT_DETECT_D_1_66MHZ 0xC040 +#define RFM_LOW_BATT_DETECT_D_2MHZ 0xC060 +#define RFM_LOW_BATT_DETECT_D_2_5MHZ 0xC080 +#define RFM_LOW_BATT_DETECT_D_3_33MHZ 0xC0A0 +#define RFM_LOW_BATT_DETECT_D_5MHZ 0xC0C0 +#define RFM_LOW_BATT_DETECT_D_10MHZ 0xC0E0 + +/////////////////////////////////////////////////////////////////////////////// +// +// 15. Status Read Command +// +/////////////////////////////////////////////////////////////////////////////// + +#define RFM_READ_STATUS() RFM_SPI_16(0x0000) +#define RFM_READ_STATUS_FFIT() SPI_1 (0x00) +#define RFM_READ_STATUS_RGIT RFM_READ_STATUS_FFIT + +/////////////////////////////////////////////////////////////////////////////// + +// RFM air protocol flags: + +#define RFMPROTO_FLAGS_BITASK_PACKETTYPE 0b11000000 //!< the uppermost 2 bits of the flags field encode the packettype +#define RFMPROTO_FLAGS_PACKETTYPE_BROADCAST 0b00000000 //!< broadcast packettype (message from hr20, protocol; step 1) +#define RFMPROTO_FLAGS_PACKETTYPE_COMMAND 0b01000000 //!< command packettype (message to hr20, protocol; step 2) +#define RFMPROTO_FLAGS_PACKETTYPE_REPLY 0b10000000 //!< reply packettype (message from hr20, protocol; step 3) +#define RFMPROTO_FLAGS_PACKETTYPE_SPECIAL 0b11000000 //!< currently unused packettype + +#define RFMPROTO_FLAGS_BITASK_DEVICETYPE 0b00011111 //!< the lowermost 5 bytes denote the device type. this way other sensors and actors may coexist +#define RFMPROTO_FLAGS_DEVICETYPE_OPENHR20 0b00010100 //!< topen HR20 device type. 10100 is for decimal 20 + +#define RFMPROTO_IS_PACKETTYPE_BROADCAST(FLAGS) ( RFMPROTO_FLAGS_PACKETTYPE_BROADCAST == ((FLAGS) & RFMPROTO_FLAGS_BITASK_PACKETTYPE) ) +#define RFMPROTO_IS_PACKETTYPE_COMMAND(FLAGS) ( RFMPROTO_FLAGS_PACKETTYPE_COMMAND == ((FLAGS) & RFMPROTO_FLAGS_BITASK_PACKETTYPE) ) +#define RFMPROTO_IS_PACKETTYPE_REPLY(FLAGS) ( RFMPROTO_FLAGS_PACKETTYPE_REPLY == ((FLAGS) & RFMPROTO_FLAGS_BITASK_PACKETTYPE) ) +#define RFMPROTO_IS_PACKETTYPE_SPECIAL(FLAGS) ( RFMPROTO_FLAGS_PACKETTYPE_SPECIAL == ((FLAGS) & RFMPROTO_FLAGS_BITASK_PACKETTYPE) ) +#define RFMPROTO_IS_DEVICETYPE_OPENHR20(FLAGS) ( RFMPROTO_FLAGS_DEVICETYPE_OPENHR20 == ((FLAGS) & RFMPROTO_FLAGS_BITASK_DEVICETYPE) ) + +/////////////////////////////////////////////////////////////////////////////// + +#endif \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/defines.h Wed Apr 18 21:08:20 2012 +0000 @@ -0,0 +1,19 @@ +#ifdef BEACON_0 +#define CODE 0x22 //Beacon 0: 0x22, 1: 0x44, 2: 0x88 +#define ON_CYCLE 20 // beacon 0 = 20, 1 = 30, 2 = 40 +#define OFF_CYCLE 40 // beacon 0 = 40, 1 = 30, 2 = 20#define CODE 0x22 //Beacon 0: 0x22, 1: 0x44, 2: 0x88 +#endif + +#ifdef BEACON_1 +#define CODE 0x44 //Beacon 0: 0x22, 1: 0x44, 2: 0x88 +#define ON_CYCLE 30 // beacon 0 = 20, 1 = 30, 2 = 40 +#define OFF_CYCLE 30 // beacon 0 = 40, 1 = 30, 2 = 20#define CODE 0x22 //Beacon 0: 0x22, 1: 0x44, 2: 0x88 +#endif + +#ifdef BEACON_2 +#define CODE 0x88 //Beacon 0: 0x22, 1: 0x44, 2: 0x88 +#define ON_CYCLE 40 // beacon 0 = 20, 1 = 30, 2 = 40 +#define OFF_CYCLE 20 // beacon 0 = 40, 1 = 30, 2 = 20#define CODE 0x22 //Beacon 0: 0x22, 1: 0x44, 2: 0x88 +#endif + +#define T_CARRIER 25 //us
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Wed Apr 18 21:08:20 2012 +0000
@@ -0,0 +1,38 @@
+#define BEACON_1
+#include "defines.h"
+#include "mbed.h"
+#include "RF12B.h"
+
+
+PwmOut IRled(p21);
+
+Serial pc(USBTX, USBRX); // tx, rx
+
+RF12B RF_Beacon(p5, p6, p7, p11, p14, p20); //RF module
+
+void turnON (void);
+void turnOFF (void);
+
+// interrupt driven
+Timeout toggle;
+
+char data_in;
+
+int main() {
+ RF_Beacon.setCode(CODE);
+ IRled.period_us(T_CARRIER);
+ toggle.attach_us(&turnON, 1000);
+ pc.printf("Beacon Side \n");
+ while (1) {
+ }
+}
+
+void turnON (void) {
+ IRled.pulsewidth_us(0); // note: the IR led is ON when this is low
+ toggle.attach_us(&turnOFF, T_CARRIER * ON_CYCLE);
+}
+
+void turnOFF (void) {
+ IRled.pulsewidth_us(13); // note: the IR led is ON when this is low
+ toggle.attach_us(&turnON, T_CARRIER * OFF_CYCLE);
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.lib Wed Apr 18 21:08:20 2012 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/projects/libraries/svn/mbed/trunk@43 \ No newline at end of file