cmdUSB.h

00001 /*
00002  / _____)             _              | |
00003 ( (____  _____ ____ _| |_ _____  ____| |__
00004  \____ \| ___ |    (_   _) ___ |/ ___)  _ \
00005  _____) ) ____| | | || |_| ____( (___| | | |
00006 (______/|_____)_|_|_| \__)_____)\____)_| |_|
00007   (C)2017 Semtech
00008 */
00009 
00010 #ifndef USBMANAGER_H
00011 #define USBMANAGER_H
00012 
00013 #include "mbed.h"
00014 #include "SX1308.h"
00015 
00016 #define ATOMICTX 900
00017 #define ATOMICRX 600
00018 
00019 #define CMD_HEADER_RX_SIZE 4 /* id + len_msb + len_lsb + address */
00020 #define CMD_HEADER_TX_SIZE 4 /* id + len_msb + len_lsb + status */
00021 
00022 #define CMD_DATA_RX_SIZE ATOMICRX
00023 #define CMD_DATA_TX_SIZE (1024 + 16 * 44) /* MAX_FIFO + 16 * METADATA_SIZE_ALIGNED */
00024 #define CMD_LENGTH_MSB     1
00025 #define CMD_LENGTH_LSB     2
00026 
00027 #define CMD_ERROR          0
00028 #define CMD_OK             1
00029 #define CMD_K0             0
00030 #define ACK_OK             1
00031 #define ACK_K0             0
00032 #define FWVERSION          0x010a0006
00033 #define ISUARTINTERFACE    1
00034 #define ISUSBINTERFACE     0
00035 
00036 #define BAUDRATE 115200
00037 
00038 typedef struct {
00039     char id;
00040     uint8_t len_msb;
00041     uint8_t len_lsb;
00042     uint8_t address;
00043     uint8_t cmd_data[CMD_DATA_RX_SIZE];
00044 } CmdSettings_t;
00045 
00046 
00047 class INTERFACE {
00048 
00049 public:
00050     INTERFACE();
00051     virtual void Init() =0;
00052     virtual void Receive(uint8_t* Buffer, uint32_t* size) = 0;
00053     virtual void Transmit(uint8_t* Buffer, uint16_t size) = 0; 
00054 private:
00055 
00056 };
00057 
00058 class COMUSB : INTERFACE {
00059 public:
00060     // public methods
00061     COMUSB();
00062     virtual void Init();
00063     virtual void Receive(uint8_t* Buffer, uint32_t* size);
00064     virtual void Transmit(uint8_t* Buffer, uint16_t size); 
00065 private:
00066     // private methods
00067 };
00068 
00069 class COMUART : public Serial, public INTERFACE{
00070 
00071 public:
00072     // public members
00073     COMUART(PinName Tx, PinName Rx);
00074     virtual void Init();
00075     virtual void Receive(uint8_t* Buffer, uint32_t* size);
00076     virtual void Transmit(uint8_t* Buffer, uint16_t size); 
00077 private:
00078     // private methods
00079 };
00080 
00081 class CMDMANAGER {
00082 
00083 public:
00084     // public members
00085     uint8_t BufFromHost[CMD_DATA_RX_SIZE + CMD_HEADER_RX_SIZE];
00086     uint8_t BufFromHostChunk[64];
00087     uint8_t BufToHost[CMD_DATA_TX_SIZE + CMD_HEADER_TX_SIZE];
00088     uint32_t receivelength[5];
00089     volatile uint32_t count;
00090     int ActiveCom;
00091     bool kill;
00092     INTERFACE * ActiveInterface;
00093 
00094     // public methods
00095     CMDMANAGER(PinName Tx, PinName Rx);
00096     void Init();
00097     void ReceiveCmd();
00098     void TransmitCmd();
00099     void InitBufFromHost();
00100     void InitBufToHost();
00101     int DecodeCmd();
00102     bool CheckCmd(char id);
00103 
00104 private:
00105     // private methods
00106     int Convert2charsToByte(uint8_t a, uint8_t b);
00107 };
00108 
00109 extern CMDMANAGER CmdManager;
00110 #endif