main.cpp

00001 /* mbed Microcontroller Library
00002  * Copyright (c) 2006-2013 ARM Limited
00003  *
00004  * Licensed under the Apache License, Version 2.0 (the "License");
00005  * you may not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  *     http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an "AS IS" BASIS,
00012  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 #include "mbed.h"
00017 #include "cc3000.h"
00018 #include "main.h"
00019 #include "NTPClient.h"
00020 
00021 #define CC3000_IRQ   D3  // (D3)
00022 #define CC3000_EN    D5  // (D5)
00023 #define CC3000_CS    D10 // (D10)
00024 #define CC3000_MOSI  D11 // (D11)
00025 #define CC3000_MISO  D12 // (D12)
00026 #define CC3000_SCLK  D13 // (D13)
00027 
00028 #define SSID         "Prakjaroen"
00029 #define PHRASE       "A4B5C6D7E8F9"
00030 #define SECURITY     WPA2
00031 
00032 #define IP           "192.168.2.165"
00033 #define MASK         "255.255.255.0"
00034 #define GW           "192.168.2.1"
00035 #define DHCP         1
00036 
00037 using namespace mbed_cc3000;
00038 
00039 #if defined TARGET_NUCLEO_F446RE
00040 //cc3000 wifi(IRQ, EN, CS, SPI(MOSI, MISO, SCLK), SSID, PHRASE, SECURITY, false);
00041 cc3000 wifi(D3, D5, D10, SPI(D11, D12, D13), "Prakjaroen", "A4B5C6D7E8F9", WPA2, false);
00042 Serial pc(USBTX, USBRX);
00043 #endif
00044 
00045 /**
00046  *  \brief NTP client demo
00047  *  \param  none
00048  *  \return int
00049  */
00050 int main() {
00051     init(); /* board dependent init */
00052     pc.baud(230400);
00053     
00054     printf("\r\n--------------------------------------------------------------------------------\r\n");
00055     printf("cc3000 NTP client demo.\r\n");
00056 #if (DHCP == 1)
00057     printf("Initialize the interface using DHCP...\r\n");
00058     printf("wifi.init() ");
00059     wifi.init();
00060 #else
00061     printf("Initialize the interface using a static IP address...\r\n");
00062     printf("wifi.init(%s, %s, %s) ", IP, MASK, GW);
00063     wifi.init(IP, MASK, GW);
00064 #endif
00065     printf("done.\r\n");
00066     printf("wifi.connect() ");
00067     if (wifi.connect() == -1) {
00068         printf("failed.\r\n");
00069         printf("Failed to connect. Please verify connection details and try again. \r\n");
00070     } else {
00071         printf("done.\r\n");
00072         printf("IP address: %s \r\n", wifi.getIPAddress());
00073     }
00074 
00075     NTPClient ntp_client;
00076     time_t ct_time;
00077     char time_buffer[80];    
00078     char time_buffer_old[80];    
00079     wait(1);
00080 
00081     strcpy(time_buffer_old, "");
00082 
00083     // Parameters
00084     char* domain_name = "0.uk.pool.ntp.org";
00085     int   port_number = 123;
00086     
00087     // Read time from server
00088     printf("Reading time...\r\n");
00089     ntp_client.setTime(domain_name, port_number);
00090 
00091 //    ct_time = time(NULL);
00092 //    strftime(time_buffer, 80, "%a %b %d %T %p %z %Z\n", localtime(&ct_time));
00093 //    printf("UTC/GMT: %s\n", time_buffer);
00094 //    printf("UTC %s\n", ctime(&ct_time));
00095 
00096     // Choose standard or daylight savings time, comment out other
00097 //    ct_time= time(NULL) + 3600; // Winter time - Convert to Europe/Amsterdam Time
00098     ct_time = time(NULL) + 7200; // Summer time - Convert to Europe/Amsterdam Time
00099     set_time(ct_time);
00100 
00101 //    ct_time = time(NULL);
00102     strftime(time_buffer, 80, "%a %d-%b-%Y %T", localtime(&ct_time));
00103     printf("%s\r\n", time_buffer);
00104 
00105     while (1) {
00106         ct_time = time(NULL);
00107         strftime(time_buffer, 80, "%S", localtime(&ct_time));
00108         if (strcmp(time_buffer, time_buffer_old) != 0) {
00109             strcpy(time_buffer_old, time_buffer);
00110             strftime(time_buffer, 80, "%a %d-%b-%Y %T", localtime(&ct_time));
00111             printf("%s\r\n", time_buffer);
00112             // Sync ones a day
00113             strftime(time_buffer, 80, "%T", localtime(&ct_time));
00114             if (strcmp(time_buffer, "00:00:00") == 0) {
00115                 ntp_client.setTime(domain_name, port_number);
00116             }
00117         }
00118     }
00119 }
00120