Oskar Weigl / RF12B

Working lib for qq v2

Dependents:   Sonar_Beacon

RF12B.h@1:09e016eea608, 2012-02-08 (annotated)

Committer:
madcowswe
Date:
Wed Feb 08 16:51:49 2012 +0000
Revision:
1:09e016eea608
Parent:
0:048b717be6c0 
Working lib for qq v2

Who changed what in which revision?

UserRevisionLine numberNew contents of line
madcowswe 0:048b717be6c0 1 #ifndef _RF12B_H
madcowswe 0:048b717be6c0 2 #define _RF12B_H
madcowswe 0:048b717be6c0 3
madcowswe 0:048b717be6c0 4 #include "mbed.h"
madcowswe 0:048b717be6c0 5 #include <queue>
madcowswe 0:048b717be6c0 6
madcowswe 0:048b717be6c0 7 enum rfmode_t{RX, TX};
madcowswe 0:048b717be6c0 8
madcowswe 0:048b717be6c0 9 class RF12B {
madcowswe 0:048b717be6c0 10 public:
madcowswe 0:048b717be6c0 11 /* Constructor */
madcowswe 0:048b717be6c0 12 RF12B(PinName SDI,
madcowswe 0:048b717be6c0 13 PinName SDO,
madcowswe 0:048b717be6c0 14 PinName SCK,
madcowswe 0:048b717be6c0 15 PinName NCS,
madcowswe 0:048b717be6c0 16 PinName NIRQ);
madcowswe 0:048b717be6c0 17
madcowswe 0:048b717be6c0 18
madcowswe 0:048b717be6c0 19
madcowswe 0:048b717be6c0 20 /* Reads a packet of data. Returns false if read failed. Use available() to check how much space to allocate for buffer */
madcowswe 0:048b717be6c0 21 bool read(unsigned char* data, unsigned int size);
madcowswe 0:048b717be6c0 22
madcowswe 0:048b717be6c0 23 /* Reads a byte of data from the receive buffer
madcowswe 0:048b717be6c0 24 Returns 0xFF if there is no data */
madcowswe 0:048b717be6c0 25 unsigned char read();
madcowswe 0:048b717be6c0 26
madcowswe 0:048b717be6c0 27 /* Transmits a packet of data */
madcowswe 0:048b717be6c0 28 void write(unsigned char* data, unsigned char length);
madcowswe 1:09e016eea608 29 void write(unsigned char data); /* 1-byte packet */
madcowswe 1:09e016eea608 30 void write(queue<char> &data, int length = -1); /* sends a whole queue */
madcowswe 0:048b717be6c0 31
madcowswe 0:048b717be6c0 32 /* Returns the packet length if data is available in the receive buffer, 0 otherwise*/
madcowswe 0:048b717be6c0 33 unsigned int available();
madcowswe 0:048b717be6c0 34
madcowswe 0:048b717be6c0 35 protected:
madcowswe 0:048b717be6c0 36 /* Receive FIFO buffer */
madcowswe 0:048b717be6c0 37 queue<unsigned char> fifo;
madcowswe 0:048b717be6c0 38
madcowswe 0:048b717be6c0 39 /* SPI module */
madcowswe 0:048b717be6c0 40 SPI spi;
madcowswe 0:048b717be6c0 41
madcowswe 0:048b717be6c0 42 /* Other digital pins */
madcowswe 0:048b717be6c0 43 DigitalOut NCS;
madcowswe 0:048b717be6c0 44 InterruptIn NIRQ;
madcowswe 0:048b717be6c0 45 DigitalIn NIRQ_in;
madcowswe 0:048b717be6c0 46 DigitalOut rfled;
madcowswe 1:09e016eea608 47
madcowswe 1:09e016eea608 48 rfmode_t mode;
madcowswe 0:048b717be6c0 49
madcowswe 0:048b717be6c0 50 /* Initialises the RF12B module */
madcowswe 0:048b717be6c0 51 void init();
madcowswe 0:048b717be6c0 52
madcowswe 0:048b717be6c0 53 /* Write a command to the RF Module */
madcowswe 0:048b717be6c0 54 unsigned int writeCmd(unsigned int cmd);
madcowswe 0:048b717be6c0 55
madcowswe 0:048b717be6c0 56 /* Sends a byte of data across RF */
madcowswe 0:048b717be6c0 57 void send(unsigned char data);
madcowswe 0:048b717be6c0 58
madcowswe 0:048b717be6c0 59 /* Switch module between receive and transmit modes */
madcowswe 0:048b717be6c0 60 void changeMode(rfmode_t mode);
madcowswe 0:048b717be6c0 61
madcowswe 0:048b717be6c0 62 /* Interrupt routine for data reception */
madcowswe 0:048b717be6c0 63 void rxISR();
madcowswe 0:048b717be6c0 64
madcowswe 0:048b717be6c0 65 /* Tell the RF Module this packet is received and wait for the next */
madcowswe 0:048b717be6c0 66 void resetRX();
madcowswe 0:048b717be6c0 67
madcowswe 0:048b717be6c0 68 /* Return the RF Module Status word */
madcowswe 0:048b717be6c0 69 unsigned int status();
madcowswe 0:048b717be6c0 70
madcowswe 0:048b717be6c0 71 /* Calculate CRC8 */
madcowswe 0:048b717be6c0 72 unsigned char crc8(unsigned char crc, unsigned char data);
madcowswe 0:048b717be6c0 73 };
madcowswe 0:048b717be6c0 74
madcowswe 0:048b717be6c0 75 #endif /* _RF12B_H */