radio.h

nRF24E1多发单收

// radio.h

/***********************************************************************
 *
 *    Author: Greg Hunter
 *    Company: UTS
 *    Filenames:      radio.h, radio.c
 *    Date:           2007/9/6
 *    File Version:   0.01
 *    Other Files Required: 
 *    Tools Used: Micro-IDE        -> 2.16m
 *                SDCC C Compiler  -> 1.2
 *
 *    Devices Supported:
 *                nRF24E1
 *
 ***********************************************************************
 *
 * Description:
 *  Routines to configure the radio
 *
 **********************************************************************/

#ifndef Radio_h
#define Radio_h

// C API for radio.c

typedef struct
  {
  // Radio Configuration Buffer:
    unsigned char Data2;          //length of data payload RX channel 2
    unsigned char Data1;          //length of data payload RX channel 1
    unsigned char Addr2s;         //top unused byte of address 2
    unsigned char  Addr2c3;       //address for RX channel 2, byte 3
    unsigned char  Addr2c2;       //address for RX channel 2, byte 2
    unsigned char  Addr2c1;       //address for RX channel 2, byte 1
    unsigned char  Addr2c0;       //address for RX channel 2, byte 0
    unsigned char Addr1s;         //top unused byte of address 1
    unsigned char  Addr1c3;       //address for RX channel 1, byte 3
    unsigned char  Addr1c2;       //address for RX channel 1, byte 2
    unsigned char  Addr1c1;       //address for RX channel 1, byte 1
    unsigned char  Addr1c0;       //address for RX channel 1, byte 0
    unsigned char AddCrc;         //address length (6 bits), 8 or 16 bit CRC (1 bit) & CRC enable (1 bit)
    unsigned char Control;        //bits to control radio:
                                  //7: RX2_EN   Enable 2 channel receive mode
                                  //6: CM       Direct or Shockburst
                                  //5: RFDR_SB  RF data rate, 1Mbps or 250kbps
                                  //2-4: XO_F     Crystal frequency
                                  //0-1: RF_POWER RF power output
    unsigned char ChnRxTx;        //channel select and RxTx switch
                                  //1-7: RF_CH#   Frequency channel
                                  //0: RXEN     RX or TX operation
  }
  tRadioParm;
#define RADIO_CFG_BYTES 15 //number of configuration bytes
#define RadioCfgBufPt &RadioParm.Data2 //start of configuration block


extern  tRadioParm RadioParm;

void RadioInit(void);               // Initialising routine to initialise data buffers
void RadioOn(void);                 // Turn on radio and load configuration
void RadioCfg(void);                // Load configuration only
#define RadioOff() PWR_UP = 0       // Turn radio off
void RadioTXBuf(unsigned char *bufPt, unsigned char bytes); // Transmit data in buffer bufPt of length bytes and switch to RX mode
                                        //  Note for timing it takes 700us for reciever to be ready after a packet is transmitted
                                        //  so the receiving unit should wait 700us before trasmitting a reply
unsigned char RadioRXBuf(unsigned char *bufPt);    // Receive wheelchair data and load into bufPt buffer
                                    //returns 1 if packet received, 0 otherwise


// Example C API for data transmit and receive buffers.  This shows a buffer size of 14 bytes.

typedef struct
  {
// Data transmit buffer:
    unsigned char TXAddress3;   //byte 3 of address of head unit
    unsigned char TXAddress2;   //byte 2
    unsigned char TXAddress1;   //byte 1
    unsigned char TXAddress0;   //byte 0
    unsigned char adcData1;
    unsigned char adcData2;
    unsigned char adcData3;
/*    unsigned char adcData2l;
    unsigned char adcData3h;
    unsigned char adcData3l;
    unsigned char adcDataf;
    unsigned char t7;
    unsigned char t8;
    unsigned char t9;
    unsigned char t10;
    unsigned char t11;
    unsigned char t12;
    unsigned char t13;
*/
// Data receive buffer:
    unsigned char recADC1;
    unsigned char recADC2;
    unsigned char recADC3;
/*    unsigned char recADC2l;
    unsigned char recADC3h;
    unsigned char recADC3l;
    unsigned char recADCf;
    unsigned char d7;
    unsigned char d8;
    unsigned char d9;
    unsigned char d10;
    unsigned char d11;
    unsigned char d12;
    unsigned char d13;
*/
  }
  tComParm;


#define COM_TX_BYTES 7 //number of data transmit buffer bytes
#define ComTXBufPt (&ComParm.TXAddress3) //start of data transmit buffer
#define COM_RX_BYTES 3 //number of receive buffer bytes
#define ComRXBufPt (&ComParm.recADC1) //start of receive buffer


extern  tComParm ComParm;

#endif