Transmitter.h

00001 #ifndef Transmitter_h
00002 #define Transmitter_h
00003 #include "mbed.h"
00004 #include <RF24Network.h>
00005 #include <RF24.h>
00006 
00007 #define nrf_CE      D4
00008 #define nrf_CSN     D3
00009 #define spi_SCK     A1
00010 #define spi_MOSI    A6
00011 #define spi_MISO    A5
00012 
00013 #define INIT            '1'
00014 #define TARE            '2'
00015 #define TARE_FIRST      '3'
00016 #define TARE_COMPLETE   '4'
00017 #define TARE_ERROR      '5'
00018 #define POSITION        '6'
00019 #define POSITION_WAIT   '7'
00020 #define POSITION_ERROR  '8'
00021 #define READ            '9'
00022 #define RECEIVE         'a'
00023 #define STARTUP         'b'
00024 #define STARTUP_SUCCES  'c'
00025 #define BATTERY         'd'
00026 
00027 
00028 #ifdef PRINT_ENABLE
00029     #define IF_PRINT_ENABLE(x) ({x;})
00030     #else
00031     #define IF_PRINT_ENABLE(x)
00032     #endif
00033 
00034 //Identificatie verzender/ontvanger
00035 const uint16_t this_node = 01;
00036 const uint16_t other_node = 00;
00037 
00038 struct payload_t {
00039     bool reedsensor;
00040     float gram;
00041     bool messageAvailable;
00042     char messageIndex;
00043 };
00044 
00045 enum State {State_init,
00046             State_tare,
00047             State_position,
00048             State_read,
00049             State_receive,
00050             State_calibrate
00051            };
00052 
00053 struct state_Packet {
00054     char setstate;
00055 };
00056 
00057 
00058 class Verzender
00059 {
00060 private:
00061 
00062 
00063 public:
00064     Verzender();
00065     
00066     /**
00067     Update to receive a message available for this node
00068     */
00069     void update();
00070     
00071     
00072     /**
00073         Send a message to the receiver
00074     
00075         @param message of type payload_t
00076     */
00077     bool write(payload_t message);
00078     
00079     
00080     /**
00081     Test whether there is a message available for this node
00082     */
00083     bool available();
00084     
00085     
00086     /**
00087     Read a message to the receiver
00088 
00089     @return message of type state_packet
00090     */
00091     state_Packet read();
00092     
00093     
00094     /*messageIndex:
00095         0: Nothing wrong
00096         1: Tare first
00097         2: Error on Position
00098         3: Bad Tare value (<2.5V)
00099 */
00100     void sendMessage(char index);
00101     
00102     void Verzender::printDetails();
00103 };
00104 
00105 #endif
00106 
00107 
00108 
00109 
00110