usbd_cdc_acm.h

/*NB_REVISION*/
 
/*NB_COPYRIGHT*/
 
#ifndef  __USBD_CDC_ACM_H
#define  __USBD_CDC_ACM_H
#ifdef SOMRT1061
#include <usb.h>
#include <iointernal.h>
#include <usb_cdc.h>
 
#define PORT_FLAGS_RDAVAIL_SHIFT (0)
#define PORT_FLAGS_WRAVAIL_SHIFT (8)
#define PORT_FLAGS_ERROR_SHIFT (16)
 
class dCDC_ACM : public nbrtos::USB::Device {
protected:
    fifo_buffer_storage txBuf;
    fifo_buffer_storage rxBuf;
    int         thisFd;
    int         rxQueued;
    int         txQueued;
    int         baseEP;
    int         oldStdio[3];
 
    uint32_t    line_Baud;
    uint8_t     line_Stop;
    uint8_t     line_Parity;
    uint8_t     line_Bits;
 
    uint32_t devState;
    OS_CRIT        portCrit;
    OS_FLAGS       portFlags;
    IoExpandStruct ioStruct;
 
    static int fd_read(int fd, char *buf, int nbytes);
    static int fd_write(int fd, const char *buf, int nbytes);
    static int fd_close(int fd);
    static int fd_peek(int fd, char *buf);
 
    int ProcessTxnBuffer(uint8_t epnum, PoolPtr pp, uint16_t bufLen);
 
    virtual int Do_SetLineCoding(uint8_t epnum, CDC_LineCoding_t coding);
    virtual int Do_SetCtlLineState(usb_setup_pkt_t msg);
 
    int QueueRx();
    friend void UserMain(void *pd);
 
public:
    dCDC_ACM(nbrtos::USB::Ctlr *parent, const usb_dev_t *desc,
            const usb_cfg_t *cfg, const nbrtos::USB::StrDescTbl *strTbl);
 
    virtual void Event_BusReset();
    virtual void Event_Suspend();
    virtual void Event_Resume();
    virtual int  Event_ControlMsg(nbrtos::USB::bufPtr_t ctlMsg, uint8_t bufLen);
    virtual int  SetConfiguration(uint16_t wValue);
    virtual int  SetAltSetting(uint16_t wIndex, uint16_t wValue);
 
    virtual int ProcessBuffer(uint8_t ep, PoolPtr pp, uint16_t bufLen);
    static int sProcessBuffer(Device *dev, uint8_t ep, PoolPtr pp, uint16_t bufLen);
 
    virtual uint16_t GetStatus(eReqTarget_t target, uint16_t wIndex, int *err);
    virtual uint8_t GetActiveConfig(int *err);
    virtual uint8_t GetAltSetting(uint8_t intfNum, int *err);
    virtual uint16_t GetMaxPktSize(uint8_t epnum, eDir_t dir);
    nbrtos::USB::eBusState_t GetUSBState();
    void SetUSBState(nbrtos::USB::eBusState_t newState);
 
    int ReadData(uint8_t *pData, int rdLen);
    int ReadWTimeout(uint8_t *pData, int rdLen, TickTimeout timeout);
 
    int WriteData(uint8_t *pData, int wrLen);
    int WriteWTimeout(uint8_t *pData, int wrLen, TickTimeout timeout);
 
    int Open();
 
    int Peek(uint8_t *buf);
 
    virtual int ProcessSetupPkt(uint8_t epnum, usb_setup_pkt_t msg);
};
 
#endif
#endif   /* ----- #ifndef __USBD_CDC_ACM_H  ----- */