device_new.c

<B>SMSC USB2.0 Flash硬盘驱动源码</B>

  0,                              // alternate interface
  2,                              // number of endpoints
  0x08,                           // usb interface class: mass storage
  0x06,                           // usb interface subclass: scsi
  0x50,                           // interface protocol: BOT (bulk only transport)
  0x00,                           // interface string index
  // endpoint descriptor: bulk out
  k_usb_ndpdscrsz,                // length of descriptor in bytes
  0x05,                           // descriptor type: endpoint
  0x02,                           // endpoint 2, out
  0x02,                           // bulk
  k_fs_maxpktsz,                  // max packet size lo
  0x00,                           // max packet size hi
  0x01,                           // polling interval
  // endpoint descriptor: bulk in
  k_usb_ndpdscrsz,                // length of descriptor in bytes
  0x05,                           // descriptor type: endpoint
  0x82,                           // endpoint 2, in
  0x02,                           // bulk
  k_fs_maxpktsz,                  // max packet size lo
  0x00,                           // max packet size hi
  0x00                            // polling interval
};

//------------------------------------------------------------------------------
// high speed configuration descriptor
uint8 code g_hs_cfg_dscr[] =
{
  k_usb_cfgdscrsz,                // length of descriptor in bytes
  k_usb_dscr_typ_config,          // descriptor type: configuration
  k_usb_cfgdscrsz +
  k_usb_ifcdscrsz +
  k_usb_ndpdscrsz +
  k_usb_ndpdscrsz,                // total length lo
  0,                              // total length hi
  1,                              // number of interfaces
  0x01,                           // configuration value
  0x00,                           // index of string descriptor
  0xC0,                           // attributes: self powered, no remote wakeup
  0x01,                           // _max power: 2ma
  // interface descriptor: BOT mass storage
  k_usb_ifcdscrsz,                // length of descriptor in bytes
  k_usb_dscr_typ_interface,       // descriptor type: interface
  0,                              // interface number
  0,                              // alternate interface
  2,                              // number of endpoints
  0x08,                           // usb interface class: mass storage
  0x06,                           // usb interface subclass: scsi
  0x50,                           // interface protocol: BOT (bulk only transport)
  0x00,                           // interface string index
  // endpoint descriptor: bulk out
  k_usb_ndpdscrsz,                // length of descriptor in bytes
  0x05,                           // descriptor type: endpoint
  0x02,                           // endpoint 2, out
  0x02,                           // bulk
  _l(k_hs_maxpktsz),              // max packet size lo
  _h(k_hs_maxpktsz),              // max packet size hi
  0x01,                           // polling interval
  // endpoint descriptor: bulk in
  k_usb_ndpdscrsz,                // length of descriptor in bytes
  0x05,                           // descriptor type: endpoint
  0x82,                           // endpoint 2, in
  0x02,                           // bulk
  _l(k_hs_maxpktsz),              // max packet size lo
  _h(k_hs_maxpktsz),              // max packet size hi
  0x00,                           // polling interval
};

//------------------------------------------------------------------------------
// other speed configuration descriptor
//------------------------------------------------------------------------------
// full speed other speed configuration descriptor
uint8 code g_fs_oscfg_dscr[] =
{
  k_usb_cfgdscrsz,                // length of descriptor in bytes
  k_usb_dscr_typ_osconfig,        // descriptor type: other speed configuration
  k_usb_cfgdscrsz +
  k_usb_ifcdscrsz +
  k_usb_ndpdscrsz +
  k_usb_ndpdscrsz,                // total length lo
  0,                              // total length hi
  1,                              // number of interfaces
  0x01,                           // configuration value
  0x00,                           // index of string descriptor
  0xC0,                           // attributes: self powered, no remote wakeup
  0x01,                           // _max power: 2ma
  // interface descriptor: BOT mass storage
  k_usb_ifcdscrsz,                // length of descriptor in bytes
  k_usb_dscr_typ_interface,       // descriptor type: interface
  0,                              // interface number
  0,                              // alternate interface
  2,                              // number of endpoints
  0x08,                           // usb interface class: mass storage
  0x06,                           // usb interface subclass: scsi
  0x50,                           // interface protocol: BOT (bulk only transport)
  0x00,                           // interface string index
  // endpoint descriptor: bulk out
  k_usb_ndpdscrsz,                // length of descriptor in bytes
  0x05,                           // descriptor type: endpoint
  0x02,                           // endpoint 2, out
  0x02,                           // bulk
  k_fs_maxpktsz,                  // max packet size lo
  0x00,                           // max packet size hi
  0x01,                           // polling interval
  // endpoint descriptor: bulk in
  k_usb_ndpdscrsz,                // length of descriptor in bytes
  0x05,                           // descriptor type: endpoint
  0x82,                           // endpoint 2, in
  0x02,                           // bulk
  k_fs_maxpktsz,                  // max packet size lo
  0x00,                           // max packet size hi
  0x00,                           // polling interval
};

//------------------------------------------------------------------------------
// high speed other speed configuration descriptor
uint8 code g_hs_oscfg_dscr[] =
{
  k_usb_cfgdscrsz,                // length of descriptor in bytes
  k_usb_dscr_typ_osconfig,        // descriptor type: other speed configuration
  k_usb_cfgdscrsz +
  k_usb_ifcdscrsz +
  k_usb_ndpdscrsz +
  k_usb_ndpdscrsz,                // total length lo
  0,                              // total length hi
  1,                              // number of interfaces
  0x01,                           // configuration value
  0x00,                           // index of string descriptor
  0xC0,                           // attributes: self powered, no remote wakeup
  0x01,                           // _max power: 2ma
  // interface descriptor: BOT mass storage
  k_usb_ifcdscrsz,                // length of descriptor in bytes
  k_usb_dscr_typ_interface,       // descriptor type: interface
  0,                              // interface number
  0,                              // alternate interface
  2,                              // number of endpoints
  0x08,                           // usb interface class: mass storage
  0x06,                           // usb interface subclass: scsi
  0x50,                           // interface protocol: BOT (bulk only transport)
  0x00,                           // interface string index
  // endpoint descriptor: bulk out
  k_usb_ndpdscrsz,                // length of descriptor in bytes
  0x05,                           // descriptor type: endpoint
  0x02,                           // endpoint 2, out
  0x02,                           // bulk
  _l(k_hs_maxpktsz),              // max packet size lo
  _h(k_hs_maxpktsz),              // max packet size hi
  0x01,                           // polling interval
  // endpoint descriptor: bulk in
  k_usb_ndpdscrsz,                // length of descriptor in bytes
  0x05,                           // descriptor type: endpoint
  0x82,                           // endpoint 2, in
  0x02,                           // bulk
  _l(k_hs_maxpktsz),              // max packet size lo
  _h(k_hs_maxpktsz),              // max packet size hi
  0x00,                           // polling interval
};

//------------------------------------------------------------------------------
// globals
uint8 g_ix_dev_thread;
#define g_ix_mscbot_thread g_ix_dev_thread

#define k_ix_ser      0
#define k_sz_ser      26
#define k_ix_vid_lo   26
#define k_ix_vid_hi   27
#define k_ix_pid_lo   28
#define k_ix_pid_hi   29
#define k_ix_lng      30
#define k_sz_lng      4
#define k_ix_mfr      34
#define k_sz_mfr      60
#define k_ix_prd      94
#define k_sz_prd      60
#define k_ix_attr_hi  154
#define k_ix_attr_lh  155
#define k_ix_attr_hl  156
#define k_ix_attr_lo  157


// 158<->251 reserved

// ata0 format signature
#define k_ix_ata0_sig_hi  252
#define k_ix_ata0_sig_lh  253
#define k_ix_ata0_sig_hl  254
#define k_ix_ata0_sig_lo  255
#define k_ata0_sig_hi     0x61 // 'a'
#define k_ata0_sig_lh     0x74 // 't'
#define k_ata0_sig_hl     0x61 // 'a'
#define k_ata0_sig_lo     0x30 // '0'



// locals
// static bit _source_eeprom_raw;    // true to source as serial num, false to source as string dscr
static bit _nvram_data_valid;
static bit _nvram_insert_vidpid;
static xdata uint8 _nvram_ix;
static xdata uint16 _nvram_sz;
static bit _serial_number_valid;

//------------------------------------------------------------------------------
// must store a copy of config so it can be checked after the usbrst arrives
// since on the 20x family the configuration is cleared by hardware.
static uint8 _most_recent_config = 0;

//+-----------------------------------------------------------------------------
// Name:
//   dev_exception
//
// Declaration:
//   void dev_exception(void);
//
// Purpose:
//   Hard error.  Log message to trace fifo and halt.
//
// Arguments:
//   None.
//
// Return:
//   Does not return.No return value.
//
// Since:
//   fmc-1.0
//------------------------------------------------------------------------------
void dev_exception(uint16 ec) reentrant
{
  ec=ec;                          // keep compiler happy for release builds
  trace0(0, stk, 0, "** fatal exception **");
  trace1(0, stk, 0, "  code:  %04x", ec);
  trace1(0, stk, 0, "  thd:   %d", g_tid);
  thread_halt();
}

//------------------------------------------------------------------------------
// Declaration:
//   uint8 dev_rd_most_recent_config(void);
//
// Purpose:
//   Report the most recent value set by a "set_configuration" request.
//
// Arguments:
//   None.
//
// Return:
//   A uint8 representing the most recent usb configuration value.
//------------------------------------------------------------------------------
uint8 dev_rd_most_recent_config() reentrant
{
  return _most_recent_config;
}

//------------------------------------------------------------------------------
// Declaration:
//   void dev_wr_most_recent_config(uint8 cfg);
//
// Purpose:
//   Allow interface managers to clear it before rebooting.
//
// Arguments:
//   None.
//
// Return:
//   A uint8 representing the most recent usb configuration value.
//------------------------------------------------------------------------------
void dev_wr_most_recent_config(uint8 cfg) reentrant
{
  _most_recent_config = cfg;
}

//+-----------------------------------------------------------------------------
// Name:
//   dev_initialize
//
// Declaration:
//   void dev_initialize(void);
//
// Purpose:
//   Called once on POR.  initialize device hardware.
//
// Arguments:
//   None.
//
// Return:
//   None.
//
// Since:
//   fmc-1.0
//------------------------------------------------------------------------------
static void dev_initialize(void) reentrant;
static void dev_initialize() reentrant
{
  TRACE0(1, dev, 1, "dev_initialize()" );

#ifdef k_mcu_97201


  // setup ATA control register.  clr muxen to select ATA interface.
  _mcu_register_set_bits(x_ata_ctl, kbm_ata_ctl_out_control);
  _mcu_register_clr_bits(x_ata_ctl, kbm_ata_ctl_muxen);
  // initialize test register so proper phy will be controlled
  #ifdef k_rev_c_klsi_phy
  XBYTE[0x3F10] = 0x01;           // rev C klsi phy
  #else
  XBYTE[0x3F10] = 0x00;           // rev A klsi phy
  #endif
#endif
#ifdef k_mcu_97210
  #ifdef k_pkg_100
  TRACE0(2, dev, 0, "package: 100 pin");
  _mcu_register_set_bits( x_fmc_mode_ctl, kbm_fmc_mode_ctl_mux_en );
  #endif
  #ifdef k_pkg_128
  TRACE0(3, dev, 0, "package: 128 pin");
  _mcu_register_clr_bits( x_fmc_mode_ctl, kbm_fmc_mode_ctl_mux_en );
  #endif
#endif
}

//+-----------------------------------------------------------------------------
// Name:
//   dev_power_up
//
// Declaration:
//   void dev_power_up(void);
//
// Purpose:
//   Called on set-config(1), and resume if configuration is non-zero.
//   Power on the flash media sockets as appropriate.