halpxa27xgeneraliom.nc

来自「tinyos-2.0源代码！转载而已！要的尽管拿！」· NC 代码 · 共 128 行

// $Id: HalPXA27xGeneralIOM.nc,v 1.1.2.2 2005/12/07 23:16:35 philipb Exp $

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//@author Phil Buonadonna
module HalPXA27xGeneralIOM {
  provides {
    interface GeneralIO[uint8_t pin];
    interface GpioInterrupt[uint8_t pin];
  }
  uses {
    interface HplPXA27xGPIOPin[uint8_t pin];
  }
}

implementation {
  async command void GeneralIO.set[uint8_t pin]() {
    
    atomic call HplPXA27xGPIOPin.setGPSRbit[pin]();
    return;
  }

  async command void GeneralIO.clr[uint8_t pin]() {
    atomic call HplPXA27xGPIOPin.setGPCRbit[pin]();
    return;
  }

  async command void GeneralIO.toggle[uint8_t pin]() {
    atomic {
      if (call HplPXA27xGPIOPin.getGPLRbit[pin]()) {
	call HplPXA27xGPIOPin.setGPCRbit[pin]();
      }
      else {
	call HplPXA27xGPIOPin.setGPSRbit[pin]();
      }
    }
    return;
  }

  async command bool GeneralIO.get[uint8_t pin]() {
    bool result;
    result = call HplPXA27xGPIOPin.getGPLRbit[pin]();
    return result;
  }

  async command void GeneralIO.makeInput[uint8_t pin]() {
    atomic call HplPXA27xGPIOPin.setGPDRbit[pin](FALSE);
    return;
  }

  async command void GeneralIO.makeOutput[uint8_t pin]() {
    atomic call HplPXA27xGPIOPin.setGPDRbit[pin](TRUE);
    return;
  }

  async command error_t GpioInterrupt.enableRisingEdge[uint8_t pin]() {
    atomic {
      call HplPXA27xGPIOPin.setGRERbit[pin](TRUE);
      call HplPXA27xGPIOPin.setGFERbit[pin](FALSE);
    }
    return SUCCESS;
  }

  async command error_t GpioInterrupt.enableFallingEdge[uint8_t pin]() {
    atomic {
      call HplPXA27xGPIOPin.setGRERbit[pin](FALSE);
      call HplPXA27xGPIOPin.setGFERbit[pin](TRUE);
    }
    return SUCCESS;
  }

  async command error_t GpioInterrupt.disable[uint8_t pin]() {
    atomic {
      call HplPXA27xGPIOPin.setGRERbit[pin](FALSE);
      call HplPXA27xGPIOPin.setGFERbit[pin](FALSE);
      call HplPXA27xGPIOPin.clearGEDRbit[pin]();
    }
    return SUCCESS;
  }

  async event void HplPXA27xGPIOPin.interruptGPIOPin[uint8_t pin]() {
    call HplPXA27xGPIOPin.clearGEDRbit[pin]();
    signal GpioInterrupt.fired[pin]();
    return;
  }

  default async event void GpioInterrupt.fired[uint8_t pin]() {
    return;
  }

}