Diff: main.cpp

Revision:

0:3e88cb856f63

Child:

1:951cd8fbff34

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Thu Aug 10 16:59:44 2017 +0000
@@ -0,0 +1,125 @@
+/**
+  ******************************************************************************
+  * @file       main.cpp
+  * @date       22/01/2016
+  * @brief      Test the async comunication api
+  ******************************************************************************
+  *
+  * COPYRIGHT(c) 2015 STMicroelectronics
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+#include "mbed.h"
+#include "XNucleoNFC01A1.h"
+#include "ReadUriCallbacks.h"
+#include "WriteUriCallbacks.h"
+#include "NDefNfcTagM24SR.h"
+#include "NDefLib/RecordType/RecordURI.h"
+
+Thread nfcReadThread;
+Thread nfcEventsThread;
+
+/** flag to signal an interrupt from the nfc component*/
+#define NFC_INTERRUPT_FLAG    0x1
+ 
+/** flag to signal user button pressure*/
+#define BUTTON_PRESSED_FLAG   0x2
+
+
+NDefLib::NDefNfcTag *tag;
+
+XNucleoNFC01A1 *nfcNucleo;
+ 
+/** Nfc ISR called when the nfc component has a message ready*/
+static void nfc_interrupt_callback() {
+    nfcEventsThread.signal_set(NFC_INTERRUPT_FLAG);
+}//nfcInterruptCallback
+ 
+static void set_button_press() {
+    nfcReadThread.signal_set(BUTTON_PRESSED_FLAG);    
+}//buttonPressed event
+
+
+void nfcEvents() {
+    
+    while (true) {
+        osEvent event = nfcEventsThread.signal_wait(NFC_INTERRUPT_FLAG); // wait for nfc event
+        printf("Got an NFC event!\n\r");  
+        nfcNucleo->get_M24SR().manage_event();
+    }
+}
+
+void readNfc() {
+    
+    ReadUriCallbacks NDefReadCallback(nfcNucleo->get_led1(),nfcNucleo->get_led2(),nfcNucleo->get_led3());
+    
+    while (true) {
+        osEvent event = nfcReadThread.signal_wait(BUTTON_PRESSED_FLAG); // wait for button pressed
+        printf("Button pressed! Reading the Tag.\n\r");
+        tag->set_callback(&NDefReadCallback);
+        tag->open_session();
+    }
+
+}
+ 
+int main() {
+    
+#if defined(TARGET_STM)
+    InterruptIn userButton(USER_BUTTON);    
+    userButton.fall(set_button_press);
+#endif
+ 
+    //create the nfc component
+    I2C i2cChannel(XNucleoNFC01A1::DEFAULT_SDA_PIN,XNucleoNFC01A1::DEFAULT_SDL_PIN);
+
+    nfcNucleo = XNucleoNFC01A1::instance(i2cChannel,&nfc_interrupt_callback,
+        XNucleoNFC01A1::DEFAULT_GPO_PIN,XNucleoNFC01A1::DEFAULT_RF_DISABLE_PIN,
+        XNucleoNFC01A1::DEFAULT_LED1_PIN,XNucleoNFC01A1::DEFAULT_LED2_PIN,
+        XNucleoNFC01A1::DEFAULT_LED3_PIN);
+ 
+    //No call back needed since default behavior is sync
+    nfcNucleo->get_M24SR().get_session();
+    nfcNucleo->get_M24SR().manage_I2C_GPO(M24SR::I2C_ANSWER_READY); //switch to async mode
+ 
+    *tag = nfcNucleo->get_M24SR().get_NDef_tag();
+    printf("System Init done! Starting the threads.\n\r");
+    
+     //Start the nfc event handling thread
+    nfcEventsThread.start(nfcEvents);
+    //Start the button pressed thread
+    nfcReadThread.start(readNfc);
+    
+    printf("Writing Tag\n\r");
+    //create the callback to write a tag
+    WriteUriCallbacks NDefWriteCallback(nfcNucleo->get_led1(),nfcNucleo->get_led2(),nfcNucleo->get_led3());
+    // write the tag
+    tag->open_session(); 
+    
+    while (true) {
+        __WFE();
+    }  
+
+}