aplfw/driver/ether/lan9000/lan9000drv_isr.c

   1 /**
   2  *  Hyper Operating System  Application Framework
   3  *
   4  * @file  scidrv.c
   5  * @brief %jp{LAN9000用デバイスドライバ}
   6  *
   7  * Copyright (C) 2006 by Project HOS
   8  * http://sourceforge.jp/projects/hos/
   9  */
  10
  11
  12 #include "lan9000drv_local.h"
  13
  14
  15 /* 受信割り込み */
  16 void Lan9000Drv_Isr(VPARAM Param)
  17 {
  18         C_LAN9000DRV    *self;
  19         unsigned short  uhStatus;
  20
  21         self = (C_LAN9000DRV *)Param;
  22
  23         /* 状態取得 */
  24         uhStatus = Lan9000Hal_GetInterruptStatus(&self->Lan9000Hal);
  25
  26         /* 受信していたら */
  27         if ( uhStatus & LAN9000HAL_ISTATUS_RCVINT )
  28         {
  29                 SysEvt_Set(self->hEvtRecv);
  30                 uhStatus &= ~LAN9000HAL_IMASK_RCVINT;
  31         }
  32
  33         /* 送信可能なら */
  34         if ( uhStatus & LAN9000HAL_ISTATUS_ALLOCINT )
  35         {
  36                 SysEvt_Set(self->hEvtSend);
  37                 uhStatus &= ~LAN9000HAL_IMASK_ALLOCINT;
  38         }
  39
  40         /* 割込みマスク更新 */
  41         Lan9000Hal_SetInterruptMask(&self->Lan9000Hal, uhStatus);
  42
  43         /* 割込みクリア */
  44         SysInt_Clear(self->iIntNum);
  45 }
  46
  47
  48 /* end of file */