Diff: main.cpp

Revision:

0:179f2315915f

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp	Tue Apr 05 11:50:51 2016 +0000
@@ -0,0 +1,187 @@
+#include "mbed.h"
+#include "segment.h"
+#include "EthernetInterface.h"
+#include "SNTPClient.h"
+#include "SHTx/sht15.hpp"
+
+Serial pc(USBTX,USBRX);
+EthernetInterface eth;
+datetime ntptime;
+
+InterruptIn SW1(P21);
+DigitalOut led1(LED1);
+DigitalOut led2(LED2);
+
+SHTx::SHT15 sensor(P22, P23);
+
+void SW1_Interrupt();
+void SNTP_Connect();
+void time_set();
+void time_update(char buffer[]);
+float update_sht11(uint8_t sensor_sel);
+
+struct tm timeinfo;
+
+uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0x11, 0x22, 0xab};
+uint8_t display_mode = 0;
+uint8_t update_mode = 0;
+uint8_t Set_update[3] = {18, 00, 00};   //Hour,Minute,Second
+uint8_t SW_toggle = 0;
+
+void SW1_Interrupt(){
+    //led2=!led2;
+    display_mode = display_mode + 1;
+        
+    if(display_mode == 4)    display_mode = 0;
+    printf("Display Mode : %d\n\r",display_mode);
+}
+
+void SNTP_Connect() {
+    printf("Getting time information by using NTP...\r\n");
+    
+    SNTPClient sntp("time.nist.gov", 40);   // timezone: Korea, Republic of
+    sntp.connect();
+    if(sntp.getTime(&ntptime) == true) {
+          printf("%d-%d-%d, %02d:%02d:%02d\r\n", ntptime.yy, ntptime.mo, ntptime.dd, ntptime.hh, ntptime.mm, ntptime.ss);
+          printf("Completed Get and Set Time\r\n\r\n");
+          led1 = 0;
+    }
+    else {
+        while(sntp.getTime(&ntptime) == true) {
+            printf("%d-%d-%d, %02d:%02d:%02d\r\n", ntptime.yy, ntptime.mo, ntptime.dd, ntptime.hh, ntptime.mm, ntptime.ss);
+            printf("Completed Get and Set Time\r\n\r\n");
+            led1 = 0;
+            break;
+        }
+    }
+}
+void time_set() {
+    timeinfo.tm_mon = ntptime.mo-1;
+    timeinfo.tm_mday = ntptime.dd;
+    timeinfo.tm_hour = ntptime.hh;
+    timeinfo.tm_min = ntptime.mm;
+    timeinfo.tm_sec = ntptime.ss;
+    timeinfo.tm_year = ntptime.yy-1900;
+    time_t t =mktime(&timeinfo);
+    set_time(t);
+    t = time(NULL);
+}
+
+void time_update(char buffer[]) {
+    uint8_t h_buffer = ((buffer[0]-48)*10) + (buffer[1]-48);
+    uint8_t m_buffer = ((buffer[2]-48)*10) + (buffer[3]-48);
+    uint8_t s_buffer = ((buffer[4]-48)*10) + (buffer[5]-48);
+
+    if(update_mode == 0){
+        if(h_buffer == Set_update[0] && m_buffer == Set_update[1] && s_buffer == Set_update[2]){
+            SNTP_Connect();
+            time_set();
+            update_mode = 1;
+            printf("Time Update Completed.\n\r\n\r");
+        }
+    }
+    else if(update_mode == 1){
+        if(!(h_buffer == Set_update[0] && m_buffer == Set_update[1] && s_buffer == Set_update[2])){
+            update_mode = 0;
+        }
+    }
+}
+float update_sht11(uint8_t sensor_sel){
+    sensor.update();
+    sensor.setScale(false);
+    if(sensor_sel == 0) return sensor.getTemperature();
+    else if(sensor_sel == 1) return sensor.getHumidity();
+}
+
+int main() {    
+    pc.baud(115200);
+    wait(0.1);
+    printf("\n\rHello WIZwiki-W7500!\n\r");
+    printf("===========================================\n\r");
+    led1 = led2 = 1;
+    
+    Seg_Reset();
+    SW1.fall(&SW1_Interrupt);
+    
+    sensor.setOTPReload(false);
+    sensor.setResolution(true); 
+
+    eth.init(mac_addr); //Use DHCP
+    printf("Check Ethernet Link\r\n");
+    while(1) //Wait link up
+    {
+        if(eth.link() == true) 
+            break;
+    }
+    printf("Link up\r\n");
+    eth.connect();
+    printf("My IP Address is %s\r\n", eth.getIPAddress());
+    
+    SNTP_Connect();
+    time_set();
+    
+    //ymd_buffer[0]~[3] : Year
+    //ymd_buffer[4]~[5] : Month
+    //ymd_buffer[6]~[7] : Day
+    char ymd_buffer[8];
+    //hms_buffer[0]~[1] : Hour
+    //hms_buffer[2]~[3] : Minute
+    //hms_buffer[4]~[5] : Second
+    char hms_buffer[6];
+    
+    float temp_val = 0;
+    float humi_val = 0;
+    int temp_mode = 0;
+    int humi_mode = 0;
+    
+    while(1) {
+        time_t seconds = time(NULL);
+        
+        strftime(hms_buffer, 6, "%H%M%S\n\r", localtime(&seconds));
+        strftime(ymd_buffer, 8, "%Y%m%d%\n\r", localtime(&seconds));
+        
+        if(hms_buffer[4] == '0' && hms_buffer[5] == '0'){
+            time_update(hms_buffer);
+        }
+        if(display_mode == 0) {
+            SW_toggle = 0;
+            display_hms(hms_buffer);
+        }
+        else if(display_mode == 1) {
+            SW_toggle = 0;
+            display_ymd(ymd_buffer);
+        }
+        else if(display_mode == 2) {
+            if(temp_mode == 0){
+                if(hms_buffer[5]%5 == 0){
+                    temp_val = update_sht11(0);
+                    temp_mode = 1;
+                }
+            }
+            if(temp_mode == 1){
+                if(hms_buffer[5]%5 != 0){
+                    temp_mode = 0;
+                }
+            }
+            display_temp(temp_val);
+        }
+        else if(display_mode == 3) {
+            if(humi_mode == 0){
+                if(hms_buffer[5]%5 == 0){
+                    humi_val = update_sht11(1);
+                    humi_mode = 1;
+                }
+            }
+            if(temp_mode == 1){
+                if(hms_buffer[5]%5 != 0){
+                    humi_mode = 0;
+                }
+            }
+            display_humi(humi_val);
+        }
+        else {
+            display_hms(hms_buffer);
+        }
+        //Seg_Test_2();
+    }
+}
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