XNucleoNFC01A1.cpp

00001 /**
00002   ******************************************************************************
00003   * @file       XNucleoNFC01A1.h
00004   * @author     ST Central Labs
00005   * @date       30 Set 2016
00006   * @brief      Singleton class that controls all the electronics inside the 
00007   *             XNucleoNFC01A1 expansion board
00008   ******************************************************************************
00009   *
00010   * COPYRIGHT(c) 2015 STMicroelectronics
00011   *
00012   * Redistribution and use in source and binary forms, with or without modification,
00013   * are permitted provided that the following conditions are met:
00014   *   1. Redistributions of source code must retain the above copyright notice,
00015   *      this list of conditions and the following disclaimer.
00016   *   2. Redistributions in binary form must reproduce the above copyright notice,
00017   *      this list of conditions and the following disclaimer in the documentation
00018   *      and/or other materials provided with the distribution.
00019   *   3. Neither the name of STMicroelectronics nor the names of its contributors
00020   *      may be used to endorse or promote products derived from this software
00021   *      without specific prior written permission.
00022   *
00023   * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
00024   * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
00025   * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
00026   * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
00027   * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
00028   * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
00029   * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
00030   * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
00031   * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
00032   * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
00033   *
00034   ******************************************************************************
00035   */
00036 
00037 #include <XNucleoNFC01A1.h>
00038 
00039 const uint8_t  XNucleoNFC01A1::M24SR_ADDR=0xAC;
00040 const PinName  XNucleoNFC01A1::DEFAULT_SDA_PIN=D14;
00041 const PinName  XNucleoNFC01A1::DEFAULT_SDL_PIN=D15;
00042 
00043 
00044 const PinName XNucleoNFC01A1::DEFAULT_GPO_PIN=D12;
00045 const PinName XNucleoNFC01A1::DEFAULT_RF_DISABLE_PIN=D11;
00046 const PinName XNucleoNFC01A1::DEFAULT_LED1_PIN=D5;
00047 const PinName XNucleoNFC01A1::DEFAULT_LED2_PIN=D4;
00048 const PinName XNucleoNFC01A1::DEFAULT_LED3_PIN=D2;
00049 
00050 XNucleoNFC01A1* XNucleoNFC01A1::mInstance;
00051 
00052 XNucleoNFC01A1* XNucleoNFC01A1::instance(I2C &devI2C,
00053         M24SR::gpoEventCallback gpoEventCallback,
00054         const PinName &gpoName,
00055         const PinName &RFDisableName, const PinName &led1Name,
00056         const PinName &led2Name, const PinName &led3Name) {
00057     if (mInstance == NULL) { // the first time
00058         mInstance = new XNucleoNFC01A1(devI2C,gpoEventCallback,gpoName,
00059                 RFDisableName,led1Name,led2Name,led3Name);
00060         if (mInstance != NULL) { //allocation ok
00061             const int status = mInstance->mM24SR.init(NULL);
00062             if (status != NFC_SUCCESS) { //initialization failed
00063                 delete mInstance;
00064                 error(
00065                         "Failed to init XNucleoNFC01A1 expansion board!\r\nError:0x%X\r\n",
00066                         status);
00067             } //if init
00068         } //if instance !=NULL
00069     } //if instance
00070     return mInstance;
00071 }