USBHostBTstack.h

00001 #include "USBHostConf.h"
00002 #include "USBHost.h"
00003 #pragma once
00004 
00005 #define TEST_ASSERT(A) while(!(A)){fprintf(stderr,"\n\n%s@%d %s ASSERT!\n\n",__PRETTY_FUNCTION__,__LINE__,#A);exit(1);};
00006 
00007 struct Packet {
00008     uint8_t type;
00009     uint8_t* buf;
00010     uint16_t len;
00011 };
00012 
00013 /** 
00014  * A class to communicate a BTstack
00015  */
00016 class USBHostBTstack : public IUSBEnumerator {
00017 public:
00018     /**
00019     * Constructor
00020     *
00021     */
00022     USBHostBTstack();
00023 
00024     /**
00025     * Check if a BTstack device is connected
00026     *
00027     * @return true if a BTstack device is connected
00028     */
00029     bool connected();
00030 
00031     /**
00032      * Try to connect to a BTstack device
00033      *
00034      * @return true if connection was successful
00035      */
00036     bool connect();
00037     
00038     int open();
00039     int send_packet(uint8_t packet_type, uint8_t* packet, int size);
00040     void register_packet_handler( void (*pMethod)(uint8_t, uint8_t*, uint16_t));
00041     void poll();
00042 
00043 protected:
00044     //From IUSBEnumerator
00045     virtual void setVidPid(uint16_t vid, uint16_t pid);
00046     virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed
00047     virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used
00048 
00049 private:
00050     USBHost * host;
00051     USBDeviceConnected * dev;
00052     bool dev_connected;
00053     uint8_t int_report[64];
00054     uint8_t bulk_report[64];
00055     USBEndpoint * int_in;
00056     USBEndpoint * bulk_in;
00057     USBEndpoint * bulk_out;
00058     bool ep_int_in;
00059     bool ep_bulk_in;
00060     bool ep_bulk_out;
00061     
00062     bool btstack_device_found;
00063     int btstack_intf;
00064     void (*m_pCb)(uint8_t, uint8_t*, uint16_t);
00065     Mail<Packet, 2> mail_box;
00066     void int_rxHandler();
00067     void bulk_rxHandler();
00068     void init();
00069 };
00070 
00071 void _debug_bytes(const char* pretty, int line, const char* s, uint8_t* buf, int len);