1-Wire® library for mbed. Complete 1-Wire library that supports our silicon masters along with a bit-bang master on the MAX32600MBED platform with one common interface for mbed. Slave support has also been included and more slaves will be added as time permits.

Dependents:   MAXREFDES131_Qt_Demo MAX32630FTHR_iButton_uSD_Logger MAX32630FTHR_DS18B20_uSD_Logger MAXREFDES130_131_Demo ... more

Superseded by MaximInterface.

Masters/TARGET_Maxim/TARGET_MAX32600/OwGpio/OwGpio.h

Committer:
j3
Date:
2016-12-02
Revision:
138:5bd0a7a82bb4
Child:
139:f0e0a7976846

File content as of revision 138:5bd0a7a82bb4:

/******************************************************************//**
* Copyright (C) 2016 Maxim Integrated Products, Inc., All Rights Reserved.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included
* in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS
* OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
* IN NO EVENT SHALL MAXIM INTEGRATED BE LIABLE FOR ANY CLAIM, DAMAGES
* OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
* Except as contained in this notice, the name of Maxim Integrated
* Products, Inc. shall not be used except as stated in the Maxim Integrated
* Products, Inc. Branding Policy.
*
* The mere transfer of this software does not imply any licenses
* of trade secrets, proprietary technology, copyrights, patents,
* trademarks, maskwork rights, or any other form of intellectual
* property whatsoever. Maxim Integrated Products, Inc. retains all
* ownership rights.
**********************************************************************/

#ifndef OneWire_Masters_OwGpio
#define OneWire_Masters_OwGpio

#ifdef TARGET_MAX32600

#include "Masters/OneWireMaster.h"
#include "DigitalOut.h"

namespace OneWire
{
    ///One Wire Bit-Bang master
    class OwGpio : public OneWireMaster
    {
    public:
        /// @param owGpio Pin to use for 1-Wire bus
        /// @param extSpu Pin to use for external Strong Pullup
        OwGpio(PinName owGpio, PinName extSpu = NC, bool extSpuActiveHigh = false);

        virtual OneWireMaster::CmdResult OWInitMaster();
        virtual OneWireMaster::CmdResult OWReset();
        virtual OneWireMaster::CmdResult OWTouchBitSetLevel(uint8_t & sendRecvBit, OWLevel afterLevel);
        virtual OneWireMaster::CmdResult OWWriteByteSetLevel(uint8_t sendByte, OWLevel afterLevel);
        virtual OneWireMaster::CmdResult OWReadByteSetLevel(uint8_t & recvByte, OWLevel afterLevel);
        virtual OneWireMaster::CmdResult OWSetSpeed(OWSpeed newSpeed);
        virtual OneWireMaster::CmdResult OWSetLevel(OWLevel newLevel);

    private:
        const unsigned int owPort;
        const unsigned int owPin;
        
        OWSpeed owSpeed;
        mbed::DigitalOut extSpu;
        bool extSpuActiveHigh;

        inline void writeOwGpioLow();
        inline void writeOwGpioHigh();
        inline bool readOwGpio();
        inline void setOwGpioMode(unsigned int mode);
    };
}

#endif /* TARGET_MAX32600 */

#endif