File content as of revision 52:4cba20c21941:

/******************************************************************//**
* 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 OWGPIO_H
#define OWGPIO_H


#if(TARGET_MAX32600)


#include "mbed.h"
#include "OneWire_Masters/OneWireMaster.h"


class OwGpio: public OneWireMaster
{
public:

    /**********************************************************//**
    * @brief Owgpio constructor
    * 
    * @details Initializes given pin for open-drain operation
    *
    * On Entry:
    *
    * @para[in] ow_gpio - GPIO pin to use for One Wire bus
    *
    * @param[in] ext_spu - GPIO pin to use for Strong Pull-Up
    * 
    * On Exit:
    *
    * @return 
    **************************************************************/
    OwGpio(PinName ow_gpio, PinName ext_spu = NC);
    
    
    //Part of OneWireMaster that should be implemented for each master
    //See OneWireMaster.h for documentation
    
    virtual OneWireMaster::CmdResult OWInitMaster(void);
    
    virtual OneWireMaster::CmdResult OWReset(void);
    
    virtual OneWireMaster::CmdResult OWTouchBit(uint8_t & sendrecvbit, OWLevel after_level);

    virtual OneWireMaster::CmdResult OWWriteByte(uint8_t sendbyte, OWLevel after_level);

    virtual OneWireMaster::CmdResult OWReadByte(uint8_t & recvbyte, OWLevel after_level);
    
    virtual OneWireMaster::CmdResult OWWriteBlock(const uint8_t *tran_buf, uint8_t tran_len);
    
    virtual OneWireMaster::CmdResult OWReadBlock(uint8_t *rx_buf, uint8_t rx_len);

    virtual OneWireMaster::CmdResult OWSetSpeed(OWSpeed new_speed);

    virtual OneWireMaster::CmdResult OWSetLevel(OWLevel new_level);
    
private:

    const unsigned int _ow_port;
    const unsigned int _ow_pin; 

    DigitalOut _ext_spu;
    OWSpeed _ow_speed;
    OWLevel _ow_level; 
    
    inline void write_ow_gpio_low();
    inline void write_ow_gpio_high();
    inline bool read_ow_gpio();
    inline void set_ow_gpio_mode(unsigned int mode);
};

#endif/* TARGET_MAX32600*/
#endif /*OWGPIO_H*/