File content as of revision 2:cd263c5e86f2:

/**
 * File:      modtronix_nz32s.cpp
 *
 * Author:    Modtronix Engineering - www.modtronix.com
 *
 * Description:
 *
 * Software License Agreement:
 * This software has been written or modified by Modtronix Engineering. The code
 * may be modified and can be used free of charge for commercial and non commercial
 * applications. If this is modified software, any license conditions from original
 * software also apply. Any redistribution must include reference to 'Modtronix
 * Engineering' and web link(www.modtronix.com) in the file header.
 *
 * THIS SOFTWARE IS PROVIDED IN AN 'AS IS' CONDITION. NO WARRANTIES, WHETHER EXPRESS,
 * IMPLIED OR STATUTORY, INCLUDING, BUT NOT LIMITED TO, IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE APPLY TO THIS SOFTWARE. THE
 * COMPANY SHALL NOT, IN ANY CIRCUMSTANCES, BE LIABLE FOR SPECIAL, INCIDENTAL OR
 * CONSEQUENTIAL DAMAGES, FOR ANY REASON WHATSOEVER.
 */
#include "mbed.h"
#include "nz32s.h"
#include <stdarg.h>
#include <stdio.h>


// DEFINES ////////////////////////////////////////////////////////////////////


// GLOBAL VARIABLES ///////////////////////////////////////////////////////////


// Function Prototypes ////////////////////////////////////////////////////////


// DEBUG ////////////////////////////////////////////////////////////////////
//IMPORTANT, when enabling debugging, it is very important to note the following:
//- If (MX_DEBUG_IS_POINTER==1), ensure there is global Stream pointer defined somewhere in code to override "pMxDebug = NULL" below!
//- If (MX_DEBUG_IS_POINTER==0), define a mxDebug() function somewhere in code to handel debug output
#define DEBUG_ENABLE            1
#if (DEBUG_ENABLE==1) && !defined(NDEBUG)
//Alternative method in stead of using NULL below. This requires to create derived Stream class in each file we want to use debugging
//    class modtronixDebugStream : public Stream {int _putc(int value) {return 0;}int _getc() {return 0;}};
//    static modtronixDebugStream modtronixDebug;
//    WEAK Stream* pMxDebug = &modtronixDebug;
#if (MX_DEBUG_IS_POINTER==1)        //More efficient, but only works if pMxDebug is defined in code. Disabled by default!
        WEAK Stream* pMxDebug = NULL;
        #define MX_DEBUG  pMxDebug->printf
    #else
        WEAK void mxDebug(const char *format, ...) {}
        #define MX_DEBUG mxDebug
    #endif
#else
    //GCC's CPP has extensions; it allows for macros with a variable number of arguments. We use this extension here to preprocess pmesg away.
    #define MX_DEBUG(format, args...) ((void)0)
#endif



/**
 * Reset I2C bus
 */
void nz32s_resetI2C(uint8_t busNumber, PinName sda, PinName scl) {
#if defined(STM32) || defined(STM32L1)
    i2c_t objI2C;

    if (busNumber == 1) {
        objI2C.i2c = I2C_1;
    }
    else if (busNumber == 2) {
        objI2C.i2c = I2C_2;
    }

    objI2C.slave = 0;
    i2c_init(&objI2C, sda, scl);
    //i2c_reset(&objI2C);       //i2c_init() above calls i2c_reset()
    //pc.printf("\r\nI2C1 Reset");

    MX_DEBUG("\r\nI2C1 Reset");

#endif
}