Diff: nRF2401A.h

Revision:

3:7ae3a5e53a1f

Parent:

2:ca8602ee9e1d

Child:

4:e8523ef6e472

--- a/nRF2401A.h	Sat Oct 05 09:23:20 2013 +0000
+++ b/nRF2401A.h	Sat Oct 05 11:49:01 2013 +0000
@@ -23,6 +23,7 @@
  * THE SOFTWARE.
  * @file "nRF2401A.h"
  */
+ 
 #ifndef _nRF2401A_H
 #define _nRF2401A_H
 
@@ -38,25 +39,40 @@
 #define   Thmin      5     /**< */
 #define   Tclk2data  1     /**< */
 
+/** ISR handler prototype for receiving messages.
+ * A function of this type is registered and called when the DR pin on the
+ * nRF tranciever signals the reception of a message. The void * argument
+ * is likewise supplied when registering and is returned at call time.
+ */
+typedef void (*nRF2401A_rx_handler_t)(void *);
+
 /** nRF2401 Class 
  *
  * Example:
  * @code
  * #include "mbed.h"
  * #include "nRF2401A.h"
- *
+ * 
+ * // comment these out depending on the job of the mbed. If your only using one mbed leave both uncommented.
+ * #define TX
+ * #define RX
+ * 
  * DigitalOut  myled(LED1);
+ * #ifdef TX
  * nRF2401A    rf1(p10, p11, p12, p13, p14);
+ * #endif
+ * #ifdef RX
  * nRF2401A    rf2(p21, p22, p23, p24, p25);
- *
+ * #endif
+ * 
  * Serial pc(USBTX, USBRX);
- *
+ * 
  * int main() {
- *
+ * 
  *     wait(0.005);
- *
+ * 
  *     pc.printf("Hello nRF2401A\n\r");
- *   
+ * #ifdef TX    
  *     rf1.setDataPayloadLength(4 << 3)
  *        .setAddress(0x0, 0x0, 0xa6, 0xa6, 0xa6, 3 << 3)
  *        .setCRCMode(nRF2401A::NO_CRC)
@@ -64,7 +80,9 @@
  *        .setChannel(0x02);
  *        
  *     rf1.printControlPacket(pc);
- *     
+ * 
+ * #endif
+ * #ifdef RX   
  *     rf2.setDataPayloadLength(4 << 3)
  *        .setAddress(0x0, 0x0, 0x53, 0x53, 0x53, 3 << 3)
  *        .setCRCMode(nRF2401A::NO_CRC)
@@ -73,36 +91,37 @@
  *        
  *     rf2.printControlPacket(pc);
  *     
+ * #endif
+ * #ifdef TX    
  *     rf1.flushControlPacket();
+ * #endif
+ * #ifdef RX
  *     rf2.flushControlPacket();
- *     
+ * #endif
+ * #ifdef TX   
  *     nRF2401A::address_t rf2_addr = {0x0, 0x0, 0x53, 0x53, 0x53};
  *     uint8_t msg[] = {0x01, 0x01, 0x01, 0x01};
  *     uint32_t *msg32 = (uint32_t *) msg;
- *         
+ * #endif
+ *       
  *     while(1) {
- *             
+ * #ifdef TX             
  *         rf1.sendMsg(rf2_addr, 3 << 3, msg, 4 << 3);
  *         *msg32 += 1;
- *         
+ * #endif
  *         myled = 1;
  *         wait(0.25);
- *         
+ * #ifdef RX        
  *         rf2.printDataPacket(pc);
- *         
+ * #endif           
  *         myled = 0;
  *         wait(0.25);
  *     }
  * }
+ * 
  * @endcode
  */
 
-/** ISR handler prototype for receiving messages.
- * A function of this type is registered and called when the DR pin on the
- * nRF tranciever signals the reception of a message. The void * argument
- * is likewise supplied when registering and is returned at call time.
- */
-typedef void (*nRF2401A_rx_handler_t)(void *);
 
 /**
  *
@@ -111,48 +130,48 @@
 class nRF2401A
 {
     public:
-        /** Class constructor.
-         * The constructor assigns the specified pinout, attatch the
-         * DR1 to a pin interrupt and sets up inmutable control packet
-         * fields.
-         * @param ce Chip Enable (CE) pin of the nRF2401A.
-         * @param c2 Chip Select (CS) pin of the nRF2401A.
-         * @param dr1 Data Ready 1 (DR1) pin of the nRF2401A.
-         * @param clk1 Clock 1 (CLK1) pin of the nRF2401A.
-         * @param data Data (DATA) pin of the nRF2401A.
-         */
+/** Class constructor.
+ * The constructor assigns the specified pinout, attatch the
+ * DR1 to a pin interrupt and sets up inmutable control packet
+ * fields.
+ * @param ce Chip Enable (CE) pin of the nRF2401A.
+ * @param c2 Chip Select (CS) pin of the nRF2401A.
+ * @param dr1 Data Ready 1 (DR1) pin of the nRF2401A.
+ * @param clk1 Clock 1 (CLK1) pin of the nRF2401A.
+ * @param data Data (DATA) pin of the nRF2401A.
+ */
         nRF2401A(PinName ce,
                  PinName cs,
                  PinName dr1,
                  PinName clk1,
                  PinName data);
                  
-        /** Class destructor.
-         * Pretty much useless in the embedded world...
-         */
+/** Class destructor.
+ * Pretty much useless in the embedded world...
+ */
         virtual ~nRF2401A() { return; }
         
-        /** Set the payload length, in bits.
-         * Set the control packet field for length, in number of bits, of the message payload.
-         * @param n Number of bits of the message payload.
-         * @return Reference to the invoked object (for chaining operations).
-         */
+/** Set the payload length, in bits.
+ * Set the control packet field for length, in number of bits, of the message payload.
+ * @param n Number of bits of the message payload.
+ * @return Reference to the invoked object (for chaining operations).
+ */
         nRF2401A& setDataPayloadLength(uint8_t n) 
         { 
             _ctrl_packet_buf.channel_1_data_payload_len = n; 
             return *this; 
         }
         
-        /** Set the address of channel 1.
-         * The channel address is a up to 40 bit number identifying the tranceiver.
-         * @param addr4 Bits 39-32 of the address.
-         * @param addr4 Bits 31-24 of the address.
-         * @param addr4 Bits 23-16 of the address.
-         * @param addr4 Bits 15-8 of the address.
-         * @param addr4 Bits 7-0 of the address.
-         * @param n_bits Number of bits used in the address.
-         * @return Reference to the invoked object (for chaining operations).
-         */
+/** Set the address of channel 1.
+ * The channel address is a up to 40 bit number identifying the tranceiver.
+ * @param addr4 Bits 39-32 of the address.
+ * @param addr4 Bits 31-24 of the address.
+ * @param addr4 Bits 23-16 of the address.
+ * @param addr4 Bits 15-8 of the address.
+ * @param addr4 Bits 7-0 of the address.
+ * @param n_bits Number of bits used in the address.
+ * @return Reference to the invoked object (for chaining operations).
+ */
         nRF2401A& setAddress(uint8_t addr4, uint8_t addr3, uint8_t addr2, uint8_t addr1, uint8_t addr0, uint8_t n_bits)
         {
             _ctrl_packet_buf.channel_1_address[0] = addr4;
@@ -165,9 +184,9 @@
             return *this;
         }
         
-        /** CRC settings.
-         * Type covering the allowed settings for use of CRC.
-         */
+/** CRC settings.
+ * Type covering the allowed settings for use of CRC.
+ */
         typedef enum 
         {
             NO_CRC = 0x0,   /**< Do not use CRC. */
@@ -175,84 +194,84 @@
             CRC_16 = 0x3    /**< Use a 16-bit CRC. */
         } CRC_T;
         
-        /** Set CRC use.
-         * Set the CRC mode field of the control packet.
-         * @param mode The CRC mode of choise.
-         * @return Reference to the invoked object (for chaining operations).
-         */
+/** Set CRC use.
+ * Set the CRC mode field of the control packet.
+ * @param mode The CRC mode of choise.
+ * @return Reference to the invoked object (for chaining operations).
+ */
         nRF2401A& setCRCMode(CRC_T mode) 
         { 
             _ctrl_packet_buf.crc_config = mode; 
             return *this; 
         }
         
-        /** Data rate settings.
-         * Type covering the allowed settings for the tranceiver data rate.
-         */
+/** Data rate settings.
+ * Type covering the allowed settings for the tranceiver data rate.
+ */
         typedef enum
         {
             BIT_RATE_250KBITS = 0x0,    /**< */
             BIT_RATE_1MBITS = 0x1       /**< */
         } DATA_RATE_T;
         
-        /** Set tranceiver data rate.
-         * Sets the data rate field to either 250 kbit/s or 1 Mbit/s data transfer rate.
-         * @param mode The data rate of choise.
-         * @return Reference to the invoked object (for chaining operations).
-         */
+/** Set tranceiver data rate.
+ * Sets the data rate field to either 250 kbit/s or 1 Mbit/s data transfer rate.
+ * @param mode The data rate of choise.
+ * @return Reference to the invoked object (for chaining operations).
+ */
         nRF2401A& setDataRate(DATA_RATE_T data_rate)
         {
             _ctrl_packet_buf.rf_data_rate = data_rate;
             return *this;
         }
         
-        /** Set RF channel.
-         * Sets the control packet field for channel number. Channel numbers are from 0 to 127
-         * representing channel frequencies equal to (2400 + channel number) MHz.
-         * @param ch Channel number, from the range [0, 127].
-         * @return Reference to the invoked object (for chaining operations).
-         */
+/** Set RF channel.
+ * Sets the control packet field for channel number. Channel numbers are from 0 to 127
+ * representing channel frequencies equal to (2400 + channel number) MHz.
+ * @param ch Channel number, from the range [0, 127].
+ * @return Reference to the invoked object (for chaining operations).
+ */
         nRF2401A& setChannel(uint8_t ch)
         {
             _ctrl_packet_buf.rf_channel = ch;
             return *this;
         }
         
-        /** Send the control packet to the nRF2401A.
-         * This function transfer the control packet image to the nRF2401A.
-         * @return Reference to the invoked object (for chaining operations).
-         */
+/** Send the control packet to the nRF2401A.
+ * This function transfer the control packet image to the nRF2401A.
+ * @return Reference to the invoked object (for chaining operations).
+ */
         nRF2401A& flushControlPacket();
         
-        /**
-         *
-         */
+/**
+ *
+ */
         void activate(bool active = true);
         
-        /**
-         *
-         */
+/**
+ *
+ */
         typedef uint8_t address_t[5];
         
-        /** Send a message.
-         * This routine will transfer the data from the supplied buffer and send
-         * it to the specified address using the current control packet settings.
-         * @param addr The address to send to.
-         * @param addr_len Length of address, in bits.
-         * @param msg_buf Message body.
-         * @param msg_len Length of message,  in bits.
-         * @return Reference to the invoked object (for chaining operations).
-         */
+/** Send a message.
+ * This routine will transfer the data from the supplied buffer and send
+ * it to the specified address using the current control packet settings.
+ * @param addr The address to send to.
+ * @param addr_len Length of address, in bits.
+ * @param msg_buf Message body.
+ * @param msg_len Length of message,  in bits.
+ * @return Reference to the invoked object (for chaining operations).
+ */
         nRF2401A& sendMsg(address_t addr, uint8_t addr_len, uint8_t *msg_buf, uint8_t msg_len);
         
-        /** Register a receive action callback.
-         * Attach a callback that will be called when the tranceiver intercept a
-         * message. This callback will be called in the context of an interrupt
-         * routine and should act accordingly.
-         * @param handler The callback, of type nRF2401_rx_handler_t.
-         * @param arg Pointer to data supplied to the handler at call time.
-         * @return Reference to the invoked object (for chaining operations).
-         */     
+/** Register a receive action callback.
+ * Attach a callback that will be called when the tranceiver intercept a
+ * message. This callback will be called in the context of an interrupt
+ * routine and should act accordingly.
+ * @param handler The callback, of type nRF2401_rx_handler_t.
+ * @param arg Pointer to data supplied to the handler at call time.
+ * @return Reference to the invoked object (for chaining operations).
+ */     
         nRF2401A& attachRXHandler(nRF2401A_rx_handler_t handler, void *arg);
         
         void printControlPacket(Serial& port);
@@ -266,9 +285,9 @@
         DigitalOut      _clk1;  /**< Clock 1 pin. */
         DigitalInOut    _data;  /**< Data pin. */
         
-        /**
-         *
-         */
+/**
+ *
+ */
         typedef enum 
         { 
             UNDEF,      /**< The start state. */
@@ -279,9 +298,9 @@
         
         STATE_T  _state;
         
-        /** Contol packet data.
-         *
-         */
+/** Contol packet data.
+ *
+ */
         struct nRF2401A_ctrl_packet_t
         {
             uint8_t     channel_2_data_payload_len;     /**< */
@@ -310,36 +329,36 @@
         nRF2401A_rx_handler_t   _rx_handler;        /**< */
         void                    *_rx_handler_arg;   /**< */
         
-        /** Receive ISR.
-         * This handler is attached to the rising flank of the DR1 pin. It
-         * will thus be called when the nRF2401A receives a packet in ShockBurst
-         * mode (the mode used). It will in turn call the attached handler.
-         */
+/** Receive ISR.
+ * This handler is attached to the rising flank of the DR1 pin. It
+ * will thus be called when the nRF2401A receives a packet in ShockBurst
+ * mode (the mode used). It will in turn call the attached handler.
+ */
         void dataReadyHandler(void);
         
-        /**
-         *
-         */
+/**
+ *
+ */
         InterruptIn     _dr1_isr;
         
-        /*
-         *
-         */
+/*
+ *
+ */
         typedef enum { RX_MODE = 0x1, TX_MODE = 0x0 } TXR_T;
         
-        /** Write to the data bus.
-         * Write n_bits bits on the DATA line.
-         * @param buf Data buffer.
-         * @param n_bits Number of bits to transfer.
-         * @param is_ctrl True if the tranfered data is control word, false if data.
-         */
+/** Write to the data bus.
+ * Write n_bits bits on the DATA line.
+ * @param buf Data buffer.
+ * @param n_bits Number of bits to transfer.
+ * @param is_ctrl True if the tranfered data is control word, false if data.
+ */
         void pushCtrl(uint8_t *buf, uint8_t n_bits, bool is_ctrl = true);
         
-        /** Read a message from the tranceiver.
-         * Read until DR1 goes low.
-         * @param buf Data buffer.
-         * @return Number of bits read.
-         */
+/** Read a message from the tranceiver.
+ * Read until DR1 goes low.
+ * @param buf Data buffer.
+ * @return Number of bits read.
+ */
         int pull(uint8_t *buf);
 };