weather forecast WIZwiki-W7500 for academy
Dependencies: Adafruit_GFX WIZnetInterface mbed
Fork of Weather_Forecast_Helloworld_WIZwiki-W7500 by
main.cpp@16:60040aaa87df, 2017-06-13 (annotated)
- Committer:
- jcm931213
- Date:
- Tue Jun 13 04:12:33 2017 +0000
- Revision:
- 16:60040aaa87df
- Parent:
- 15:c4e32b8b8130
- Child:
- 17:bf1228469a6c
becky
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
joon874 | 0:5d0d5244d683 | 1 | #include "mbed.h" |
joon874 | 0:5d0d5244d683 | 2 | #include "EthernetInterface.h" |
joon874 | 0:5d0d5244d683 | 3 | #include "Adafruit_SSD1306.h" |
joon874 | 11:d6285226f186 | 4 | |
joon874 | 11:d6285226f186 | 5 | // W7500 onboard LED & Init |
joon874 | 11:d6285226f186 | 6 | DigitalOut gled(LED2,0); |
jcm931213 | 15:c4e32b8b8130 | 7 | |
joon874 | 0:5d0d5244d683 | 8 | |
joon874 | 11:d6285226f186 | 9 | // I2C Class |
joon874 | 11:d6285226f186 | 10 | I2C i2c(PA_10,PA_9); |
joon874 | 11:d6285226f186 | 11 | |
joon874 | 11:d6285226f186 | 12 | // OLED Class |
joon874 | 11:d6285226f186 | 13 | Adafruit_SSD1306_I2c gOled(i2c,NC,0x78,64,128); |
joon874 | 11:d6285226f186 | 14 | |
joon874 | 11:d6285226f186 | 15 | // Declare Ethernet Class |
joon874 | 11:d6285226f186 | 16 | EthernetInterface eth; |
joon874 | 11:d6285226f186 | 17 | |
joon874 | 11:d6285226f186 | 18 | // Declare TCP Connection Class |
joon874 | 11:d6285226f186 | 19 | TCPSocketConnection sock; |
joon874 | 0:5d0d5244d683 | 20 | |
joon874 | 0:5d0d5244d683 | 21 | |
joon874 | 11:d6285226f186 | 22 | |
joon874 | 0:5d0d5244d683 | 23 | int main() { |
joon874 | 11:d6285226f186 | 24 | |
joon874 | 0:5d0d5244d683 | 25 | int phy_link; |
joon874 | 0:5d0d5244d683 | 26 | printf("Wait a second...\r\n"); |
joon874 | 0:5d0d5244d683 | 27 | |
joon874 | 11:d6285226f186 | 28 | //--------- Have to modify the mac address------------- |
joon874 | 11:d6285226f186 | 29 | uint8_t mac_addr[6] = {0x00, 0x08, 0xDC, 0xff, 0xff, 0x25}; |
joon874 | 11:d6285226f186 | 30 | |
joon874 | 11:d6285226f186 | 31 | eth.init(mac_addr); //Use DHCP |
jcm931213 | 15:c4e32b8b8130 | 32 | |
jcm931213 | 15:c4e32b8b8130 | 33 | // phy link |
jcm931213 | 15:c4e32b8b8130 | 34 | do{ |
jcm931213 | 15:c4e32b8b8130 | 35 | phy_link = eth.ethernet_link(); |
jcm931213 | 15:c4e32b8b8130 | 36 | printf("..."); |
jcm931213 | 15:c4e32b8b8130 | 37 | wait(2); |
jcm931213 | 15:c4e32b8b8130 | 38 | }while(!phy_link); |
jcm931213 | 15:c4e32b8b8130 | 39 | printf("\r\n"); |
jcm931213 | 15:c4e32b8b8130 | 40 | |
jcm931213 | 15:c4e32b8b8130 | 41 | eth.connect(); |
jcm931213 | 15:c4e32b8b8130 | 42 | |
jcm931213 | 15:c4e32b8b8130 | 43 | printf("IP Address is %s\r\n\r\n", eth.getIPAddress()); |
jcm931213 | 15:c4e32b8b8130 | 44 | printf("MASK Address is %s\r\n\r\n", eth.getNetworkMask()); |
jcm931213 | 15:c4e32b8b8130 | 45 | printf("GATEWAY Address is %s\r\n\r\n", eth.getGateway()); |
jcm931213 | 15:c4e32b8b8130 | 46 | printf("MAC Address is %s\r\n\r\n", eth.getMACAddress()); |
joon874 | 0:5d0d5244d683 | 47 | |
joon874 | 0:5d0d5244d683 | 48 | while(1){ |
joon874 | 11:d6285226f186 | 49 | // TCP socket connect to openweather server |
joon874 | 11:d6285226f186 | 50 | //TCPSocketConnection sock; |
jcm931213 | 15:c4e32b8b8130 | 51 | char http_addr[]="api.openweathermap.org"; |
jcm931213 | 15:c4e32b8b8130 | 52 | int port=80; |
joon874 | 11:d6285226f186 | 53 | |
jcm931213 | 15:c4e32b8b8130 | 54 | //connect |
jcm931213 | 15:c4e32b8b8130 | 55 | /////////////////////////////////////////////////////////// |
jcm931213 | 16:60040aaa87df | 56 | |
jcm931213 | 15:c4e32b8b8130 | 57 | //////////////////////////////////////////////////////////// |
joon874 | 11:d6285226f186 | 58 | |
joon874 | 11:d6285226f186 | 59 | // GET method, to request weather forecast |
joon874 | 11:d6285226f186 | 60 | char http_cmd[] = "GET /data/2.5/weather?q=London,uk&appid=a0ca47dd7f6066404629b3e1ad728981 HTTP/1.0\n\n"; |
jcm931213 | 15:c4e32b8b8130 | 61 | |
joon874 | 11:d6285226f186 | 62 | |
jcm931213 | 15:c4e32b8b8130 | 63 | //send data |
jcm931213 | 15:c4e32b8b8130 | 64 | /////////////////////////////////////////////////////// |
jcm931213 | 15:c4e32b8b8130 | 65 | |
jcm931213 | 15:c4e32b8b8130 | 66 | /////////////////////////////////////////////////////// |
joon874 | 11:d6285226f186 | 67 | |
joon874 | 11:d6285226f186 | 68 | // get data into buffer |
joon874 | 11:d6285226f186 | 69 | char buffer[2048]; |
joon874 | 11:d6285226f186 | 70 | int ret; |
joon874 | 11:d6285226f186 | 71 | while (true) { |
jcm931213 | 15:c4e32b8b8130 | 72 | // break the while(), when don't received tha data |
jcm931213 | 15:c4e32b8b8130 | 73 | // save the data to buffer |
jcm931213 | 15:c4e32b8b8130 | 74 | // save the return value to ret |
jcm931213 | 15:c4e32b8b8130 | 75 | //receive data |
jcm931213 | 15:c4e32b8b8130 | 76 | ////////////////////////////////////////////////////// |
jcm931213 | 15:c4e32b8b8130 | 77 | |
jcm931213 | 15:c4e32b8b8130 | 78 | |
jcm931213 | 15:c4e32b8b8130 | 79 | |
jcm931213 | 15:c4e32b8b8130 | 80 | //////////////////////////////////////////////////// |
joon874 | 11:d6285226f186 | 81 | buffer[ret] = '\0'; |
joon874 | 11:d6285226f186 | 82 | printf("Received %d chars from server: %s\n", ret, buffer); |
joon874 | 11:d6285226f186 | 83 | } |
joon874 | 11:d6285226f186 | 84 | printf("\r\n\r\n"); |
joon874 | 11:d6285226f186 | 85 | |
joon874 | 11:d6285226f186 | 86 | // parsing current date, weather, city, tempurature |
joon874 | 11:d6285226f186 | 87 | char *date; |
joon874 | 11:d6285226f186 | 88 | char *weather; |
joon874 | 11:d6285226f186 | 89 | char *city; |
joon874 | 11:d6285226f186 | 90 | char *temper; |
joon874 | 11:d6285226f186 | 91 | |
joon874 | 11:d6285226f186 | 92 | char cur_date[17] = {0}; |
joon874 | 11:d6285226f186 | 93 | char weather_con[15] = {0}; |
joon874 | 11:d6285226f186 | 94 | char city_name[10] = {0}; |
joon874 | 11:d6285226f186 | 95 | char temper_data[3] = {0}; |
joon874 | 0:5d0d5244d683 | 96 | |
joon874 | 11:d6285226f186 | 97 | int temp; |
joon874 | 11:d6285226f186 | 98 | int num100, num10, num1; |
joon874 | 11:d6285226f186 | 99 | |
joon874 | 11:d6285226f186 | 100 | //parding date |
joon874 | 11:d6285226f186 | 101 | date = strstr(buffer, "Date"); |
joon874 | 11:d6285226f186 | 102 | for(int x=0;x<17;x++){ |
joon874 | 11:d6285226f186 | 103 | cur_date[x] = date[x+6]; |
joon874 | 11:d6285226f186 | 104 | } |
joon874 | 11:d6285226f186 | 105 | |
joon874 | 11:d6285226f186 | 106 | // parsing weather condition |
joon874 | 11:d6285226f186 | 107 | weather = strstr(buffer, "main"); |
joon874 | 11:d6285226f186 | 108 | for(int i=0; i<15;i++){ |
joon874 | 11:d6285226f186 | 109 | weather_con[i] = weather[i+7]; |
joon874 | 11:d6285226f186 | 110 | if(weather_con[i] == 34){ |
joon874 | 11:d6285226f186 | 111 | weather_con[i] = 0; |
joon874 | 11:d6285226f186 | 112 | break; |
joon874 | 11:d6285226f186 | 113 | } |
joon874 | 11:d6285226f186 | 114 | } |
joon874 | 11:d6285226f186 | 115 | |
joon874 | 11:d6285226f186 | 116 | // parsing city name |
joon874 | 11:d6285226f186 | 117 | city = strstr(buffer, "name"); |
joon874 | 11:d6285226f186 | 118 | for(int j=0; j<10;j++){ |
joon874 | 11:d6285226f186 | 119 | city_name[j] = city[j+7]; |
joon874 | 11:d6285226f186 | 120 | if(city_name[j] == 34){ |
joon874 | 11:d6285226f186 | 121 | city_name[j] = 0; |
joon874 | 11:d6285226f186 | 122 | break; |
joon874 | 11:d6285226f186 | 123 | } |
joon874 | 11:d6285226f186 | 124 | } |
joon874 | 0:5d0d5244d683 | 125 | |
joon874 | 11:d6285226f186 | 126 | //parsing current tempurature |
joon874 | 11:d6285226f186 | 127 | temper = strstr(buffer, "temp"); |
joon874 | 11:d6285226f186 | 128 | for(int k=0; k<3;k++){ |
joon874 | 11:d6285226f186 | 129 | temper_data[k] = temper[k+6]; |
joon874 | 11:d6285226f186 | 130 | } |
joon874 | 11:d6285226f186 | 131 | |
joon874 | 11:d6285226f186 | 132 | //kelvin to celius converter |
joon874 | 11:d6285226f186 | 133 | num100 = temper_data[0]- 48; |
joon874 | 11:d6285226f186 | 134 | num10 = temper_data[1] - 48; |
joon874 | 11:d6285226f186 | 135 | num1 = temper_data[2]- 48; |
joon874 | 11:d6285226f186 | 136 | temp = (num100*100 + num10*10 + num1) - 273; |
joon874 | 11:d6285226f186 | 137 | |
joon874 | 11:d6285226f186 | 138 | // Debug message |
joon874 | 11:d6285226f186 | 139 | printf("city name : %s\r\n", city_name); |
joon874 | 11:d6285226f186 | 140 | printf("weather : %s\r\n", weather_con); |
joon874 | 11:d6285226f186 | 141 | printf("temperature : %d\r\n\r\n", temp); |
joon874 | 11:d6285226f186 | 142 | |
joon874 | 11:d6285226f186 | 143 | // OLED Display |
joon874 | 11:d6285226f186 | 144 | gOled.begin(); |
joon874 | 11:d6285226f186 | 145 | gOled.clearDisplay(); |
joon874 | 11:d6285226f186 | 146 | gOled.printf("%s\n\n", cur_date); |
joon874 | 11:d6285226f186 | 147 | gOled.printf("City : %s\n", city_name); |
joon874 | 11:d6285226f186 | 148 | gOled.printf("Weather : %s\n", weather_con); |
joon874 | 11:d6285226f186 | 149 | gOled.printf("Temper : %d\n", temp); |
joon874 | 11:d6285226f186 | 150 | gOled.display(); |
joon874 | 11:d6285226f186 | 151 | gOled.setTextCursor(0,0); |
joon874 | 11:d6285226f186 | 152 | |
jcm931213 | 15:c4e32b8b8130 | 153 | |
joon874 | 0:5d0d5244d683 | 154 | |
jcm931213 | 15:c4e32b8b8130 | 155 | //close |
jcm931213 | 15:c4e32b8b8130 | 156 | ////////////////////////////////////////////////// |
joon874 | 0:5d0d5244d683 | 157 | |
jcm931213 | 15:c4e32b8b8130 | 158 | ////////////////////////////////////////////////// |
joon874 | 11:d6285226f186 | 159 | /* |
joon874 | 11:d6285226f186 | 160 | * everytime in delay, request weather forecast |
joon874 | 11:d6285226f186 | 161 | */ |
joon874 | 11:d6285226f186 | 162 | wait(20.0); |
joon874 | 0:5d0d5244d683 | 163 | |
joon874 | 0:5d0d5244d683 | 164 | }; |
joon874 | 0:5d0d5244d683 | 165 | |
joon874 | 0:5d0d5244d683 | 166 | } |