main.cpp

00001 /******************** (C) COPYRIGHT 2016 Delta Electronics, Inc. ***************
00002 *
00003 * File Name : main.cpp
00004 * Authors   : JS Wu - CPBG (js.wu@cyntec.com)
00005 * Version   : V.1.0.0
00006 * Date      : 2017/Mar/03
00007 *
00008 * This example shows how to enable WiFi chip, and disable the interface between
00009 * BLE & WiFi of NNN50, thus the external Host MCU can use SPI interface to 
00010 * control WiFi under linux base OS
00011 *
00012 *******************************************************************************/
00013 
00014 #include "mbed.h"
00015 #include "EthernetInterface.h"
00016 #include "WIFIDevice.h"
00017 
00018 DigitalOut myled(p13);
00019 
00020 DigitalOut WiFi_en(p8);
00021 DigitalOut WiFi_reset_n(p10);
00022 DigitalOut WiFi_wake(p18);
00023 DigitalOut RF_control_1(p19);
00024 DigitalOut RF_control_2(p28);
00025 DigitalIn SPI_SSN(p12);
00026 DigitalIn SPI_MISO(p9);
00027 DigitalIn SPI_MOSI(p15);
00028 DigitalIn SPI_CLK(p11);
00029 DigitalIn SPI_IRQ(p14);
00030 
00031 int main() {
00032 
00033     //config WiFi pins
00034     WiFi_en = 1;
00035     WiFi_wake = 1;
00036     WiFi_reset_n = 1;       //make a Reset signal
00037     wait(0.3);
00038     WiFi_reset_n = 0;
00039     wait(0.5);
00040     WiFi_reset_n = 1;
00041     wait(0.3);
00042     
00043     //config RF path to WiFi
00044     RF_control_1 = 1;
00045     RF_control_2 = 0;
00046 
00047     while(1) {
00048         myled = 1;
00049         wait(0.2);
00050         myled = 0;
00051         wait(0.2);
00052     }
00053 }