Florian Blumgard / Mbed 2 deprecated Wetterstation

Dieses Programm verarbeitet die einzelnen Messwerte der Wettermesseinheit (Windstärke, Niederschlag, Windrichtung, Temperatur und Luftfeuchtigkeit). Diese können über ein LCD Display abgelesen oder über das Internet aberufen werden.

Dependencies:   SHTx TextLCD mbed lwip WeatherMeters

main.cpp@0:07d31130dd79, 2012-06-27 (annotated)

Committer:
candyshop
Date:
Wed Jun 27 15:34:03 2012 +0000
Revision:
0:07d31130dd79
Wetterstation FB

Who changed what in which revision?

UserRevisionLine numberNew contents of line
candyshop 0:07d31130dd79 1 #include "mbed.h"
candyshop 0:07d31130dd79 2 #include "lwip/opt.h"
candyshop 0:07d31130dd79 3 #include "lwip/stats.h"
candyshop 0:07d31130dd79 4 #include "lwip/sys.h"
candyshop 0:07d31130dd79 5 #include "lwip/pbuf.h"
candyshop 0:07d31130dd79 6 #include "lwip/udp.h"
candyshop 0:07d31130dd79 7 #include "lwip/tcp.h"
candyshop 0:07d31130dd79 8 #include "lwip/dns.h"
candyshop 0:07d31130dd79 9 #include "lwip/dhcp.h"
candyshop 0:07d31130dd79 10 #include "lwip/init.h"
candyshop 0:07d31130dd79 11 #include "lwip/netif.h"
candyshop 0:07d31130dd79 12 #include "netif/etharp.h"
candyshop 0:07d31130dd79 13 #include "netif/loopif.h"
candyshop 0:07d31130dd79 14 #include "device.h"
candyshop 0:07d31130dd79 15 #include "SHTx/sht15.hpp"
candyshop 0:07d31130dd79 16 #include "WeatherMeters.h"
candyshop 0:07d31130dd79 17 #include "TextLCD.h"
candyshop 0:07d31130dd79 18
candyshop 0:07d31130dd79 19
candyshop 0:07d31130dd79 20
candyshop 0:07d31130dd79 21 TextLCD lcd(p24, p26, p27, p28, p29, p30); // rs,e,d0,d1,d2,d3
candyshop 0:07d31130dd79 22 Serial pc(USBTX, USBRX);
candyshop 0:07d31130dd79 23
candyshop 0:07d31130dd79 24
candyshop 0:07d31130dd79 25
candyshop 0:07d31130dd79 26 Ethernet ethernet;
candyshop 0:07d31130dd79 27 DigitalOut ledLink(p30);
candyshop 0:07d31130dd79 28 DigitalOut ledActivity(p29);
candyshop 0:07d31130dd79 29 DigitalOut ledStage0 (LED1);
candyshop 0:07d31130dd79 30 DigitalOut ledStage1 (LED2);
candyshop 0:07d31130dd79 31 DigitalOut ledStage2 (LED3);
candyshop 0:07d31130dd79 32 DigitalOut ledTCP80 (LED4);
candyshop 0:07d31130dd79 33
candyshop 0:07d31130dd79 34 SHTx::SHT15 sensor(p9, p10);
candyshop 0:07d31130dd79 35 WeatherMeters station(p8, p15, p16, Weather_auto);
candyshop 0:07d31130dd79 36
candyshop 0:07d31130dd79 37 volatile char stage = 0;
candyshop 0:07d31130dd79 38
candyshop 0:07d31130dd79 39 Ticker stage_blinker;
candyshop 0:07d31130dd79 40
candyshop 0:07d31130dd79 41 struct netif netif_data;
candyshop 0:07d31130dd79 42
candyshop 0:07d31130dd79 43 const char testPage[] = "HTTP/1.1 200 OK\r\n"
candyshop 0:07d31130dd79 44 "Content-Type: text/html\r\n"
candyshop 0:07d31130dd79 45 "Connection: Close\r\n\r\n"
candyshop 0:07d31130dd79 46 "<html>"
candyshop 0:07d31130dd79 47 "<head>"
candyshop 0:07d31130dd79 48 "<title>mbed test page</title>"
candyshop 0:07d31130dd79 49 "<style type='text/css'>"
candyshop 0:07d31130dd79 50 "body{font-family:'Arial, sans-serif', sans-serif;font-size:.8em;background-color:#fff;}"
candyshop 0:07d31130dd79 51 "</style>"
candyshop 0:07d31130dd79 52 "</head>"
candyshop 0:07d31130dd79 53 "<body>%s</body></html>\r\n\r\n";
candyshop 0:07d31130dd79 54
candyshop 0:07d31130dd79 55 char buffer[1024];
candyshop 0:07d31130dd79 56 char temp[1024];
candyshop 0:07d31130dd79 57 err_t recv_callback(void *arg, struct tcp_pcb *pcb, struct pbuf *p, err_t err) {
candyshop 0:07d31130dd79 58 struct netif *netif = &netif_data;
candyshop 0:07d31130dd79 59 ledTCP80 = true;
candyshop 0:07d31130dd79 60 printf("TCP callback from %d.%d.%d.%d\r\n", ip4_addr1(&(pcb->remote_ip)),ip4_addr2(&(pcb->remote_ip)),ip4_addr3(&(pcb->remote_ip)),ip4_addr4(&(pcb->remote_ip)));
candyshop 0:07d31130dd79 61 char *data;
candyshop 0:07d31130dd79 62 /* Check if status is ok and data is arrived. */
candyshop 0:07d31130dd79 63 if (err == ERR_OK && p != NULL) {
candyshop 0:07d31130dd79 64 /* Inform TCP that we have taken the data. */
candyshop 0:07d31130dd79 65 tcp_recved(pcb, p->tot_len);
candyshop 0:07d31130dd79 66 data = static_cast<char *>(p->payload);
candyshop 0:07d31130dd79 67 /* If the data is a GET request we can handle it. */
candyshop 0:07d31130dd79 68 if (strncmp(data, "GET ", 4) == 0) {
candyshop 0:07d31130dd79 69 printf("Handling GET request...\r\n");
candyshop 0:07d31130dd79 70 printf("Request:\r\n%s\r\n", data);
candyshop 0:07d31130dd79 71
candyshop 0:07d31130dd79 72
candyshop 0:07d31130dd79 73 sprintf(temp, "<h1><font color=blue><center><U>RBB Robert Bosch Berufskolleg der Stadt Dortmund</font></U></h1>"
candyshop 0:07d31130dd79 74 "<h2><br></h2>"
candyshop 0:07d31130dd79 75 "<h2><u><center>Aktuelle Wetter-Messdaten:</u></center></h2>"
candyshop 0:07d31130dd79 76 "<table border=1 align=center cellpadding=10>"
candyshop 0:07d31130dd79 77 "<tr align=center>"
candyshop 0:07d31130dd79 78 "<td><strong>Temperatur</strong></td>"
candyshop 0:07d31130dd79 79 "<td> %3.2f °C [ Celsius ]</td>"
candyshop 0:07d31130dd79 80 "</tr>"
candyshop 0:07d31130dd79 81 "<tr align=center>"
candyshop 0:07d31130dd79 82 "<td><strong>Luftfeuchtigkeit</strong></td>"
candyshop 0:07d31130dd79 83 "<td> %3.2f %% [ Prozent ]</td>"
candyshop 0:07d31130dd79 84 "</tr>"
candyshop 0:07d31130dd79 85 "<tr align=center>"
candyshop 0:07d31130dd79 86 "<td><strong>Windstärke</strong></td>"
candyshop 0:07d31130dd79 87 "<td> %3.2f m/s [ Meter pro Sekunde ]</td>"
candyshop 0:07d31130dd79 88 "</tr>"
candyshop 0:07d31130dd79 89 "<tr align=center>"
candyshop 0:07d31130dd79 90 "<td><strong>Windrichtung</strong></td>"
candyshop 0:07d31130dd79 91 "<td> %3.2f ° [ Grad ]</td>"
candyshop 0:07d31130dd79 92 "</tr>"
candyshop 0:07d31130dd79 93 "<tr align=center>"
candyshop 0:07d31130dd79 94 "<td><strong>Niederschlag</strong></td>"
candyshop 0:07d31130dd79 95 "<td> %3.2f mm [ Millimeter ]</td>"
candyshop 0:07d31130dd79 96 "</tr>"
candyshop 0:07d31130dd79 97 "</table>"
candyshop 0:07d31130dd79 98
candyshop 0:07d31130dd79 99 "<form align=center method=post action>"
candyshop 0:07d31130dd79 100 "<center><br><br>Projektarbeit von Florian Blumgard</center>"
candyshop 0:07d31130dd79 101
candyshop 0:07d31130dd79 102 "</form>",sensor.getTemperature(),sensor.getHumidity(),station.get_windspeed(),station.get_windvane(),station.get_raingauge());
candyshop 0:07d31130dd79 103
candyshop 0:07d31130dd79 104 sprintf(buffer, testPage, temp);
candyshop 0:07d31130dd79 105 if (tcp_write(pcb, (void *)buffer, strlen(buffer), 1) == ERR_OK) {
candyshop 0:07d31130dd79 106 tcp_output(pcb);
candyshop 0:07d31130dd79 107 printf("Closing connection...\r\n");
candyshop 0:07d31130dd79 108 tcp_close(pcb);
candyshop 0:07d31130dd79 109 }
candyshop 0:07d31130dd79 110 }
candyshop 0:07d31130dd79 111 else
candyshop 0:07d31130dd79 112 {
candyshop 0:07d31130dd79 113 printf("Non GET request...\r\nRequest:\r\n%s\r\n", data);
candyshop 0:07d31130dd79 114 }
candyshop 0:07d31130dd79 115
candyshop 0:07d31130dd79 116 pbuf_free(p);
candyshop 0:07d31130dd79 117 }
candyshop 0:07d31130dd79 118
candyshop 0:07d31130dd79 119 else {
candyshop 0:07d31130dd79 120 /* No data arrived */
candyshop 0:07d31130dd79 121 /* That means the client closes the connection and sent us a packet with FIN flag set to 1. */
candyshop 0:07d31130dd79 122 /* We have to cleanup and destroy out TCPConnection. */
candyshop 0:07d31130dd79 123 printf("Connection closed by client.\r\n");
candyshop 0:07d31130dd79 124 pbuf_free(p);
candyshop 0:07d31130dd79 125 }
candyshop 0:07d31130dd79 126 /* Don't panic! Everything is fine. */
candyshop 0:07d31130dd79 127 ledTCP80 = false;
candyshop 0:07d31130dd79 128 return ERR_OK;
candyshop 0:07d31130dd79 129 }
candyshop 0:07d31130dd79 130 /* Accept an incomming call on the registered port */
candyshop 0:07d31130dd79 131 err_t accept_callback(void *arg, struct tcp_pcb *npcb, err_t err) {
candyshop 0:07d31130dd79 132 LWIP_UNUSED_ARG(arg);
candyshop 0:07d31130dd79 133 /* Subscribe a receive callback function */
candyshop 0:07d31130dd79 134 tcp_recv(npcb, &recv_callback);
candyshop 0:07d31130dd79 135 /* Don't panic! Everything is fine. */
candyshop 0:07d31130dd79 136 return ERR_OK;
candyshop 0:07d31130dd79 137 }
candyshop 0:07d31130dd79 138
candyshop 0:07d31130dd79 139 void stageblinker()
candyshop 0:07d31130dd79 140 {
candyshop 0:07d31130dd79 141 switch (stage)
candyshop 0:07d31130dd79 142 {
candyshop 0:07d31130dd79 143 case 0:
candyshop 0:07d31130dd79 144 ledStage0 = !ledStage0;
candyshop 0:07d31130dd79 145 ledStage1 = false;
candyshop 0:07d31130dd79 146 ledStage2 = false;
candyshop 0:07d31130dd79 147 break;
candyshop 0:07d31130dd79 148 case 1:
candyshop 0:07d31130dd79 149 ledStage0 = true;
candyshop 0:07d31130dd79 150 ledStage1 = !ledStage1;
candyshop 0:07d31130dd79 151 ledStage2 = false;
candyshop 0:07d31130dd79 152 break;
candyshop 0:07d31130dd79 153 case 2:
candyshop 0:07d31130dd79 154 ledStage0 = true;
candyshop 0:07d31130dd79 155 ledStage1 = true;
candyshop 0:07d31130dd79 156 ledStage2 = true;
candyshop 0:07d31130dd79 157 stage_blinker.detach();
candyshop 0:07d31130dd79 158 break;
candyshop 0:07d31130dd79 159 }
candyshop 0:07d31130dd79 160 }
candyshop 0:07d31130dd79 161
candyshop 0:07d31130dd79 162 int main() {
candyshop 0:07d31130dd79 163 printf("mBed Ethernet Tester 1.0\r\nStarting Up...\r\n");
candyshop 0:07d31130dd79 164 stage = 0;
candyshop 0:07d31130dd79 165 struct netif *netif = &netif_data;
candyshop 0:07d31130dd79 166 struct ip_addr ipaddr;
candyshop 0:07d31130dd79 167 struct ip_addr netmask;
candyshop 0:07d31130dd79 168 struct ip_addr gateway;
candyshop 0:07d31130dd79 169 Ticker tickFast, tickSlow, tickARP, eth_tick, dns_tick, dhcp_coarse, dhcp_fine;
candyshop 0:07d31130dd79 170 stage_blinker.attach_us(&stageblinker, 1000*500);
candyshop 0:07d31130dd79 171
candyshop 0:07d31130dd79 172 char *hostname = "my-mbed";
candyshop 0:07d31130dd79 173
candyshop 0:07d31130dd79 174 printf("Configuring device for DHCP...\r\n");
candyshop 0:07d31130dd79 175 /* Start Network with DHCP */
candyshop 0:07d31130dd79 176 IP4_ADDR(&netmask, 255,255,255,255);
candyshop 0:07d31130dd79 177 IP4_ADDR(&gateway, 0,0,0,0);
candyshop 0:07d31130dd79 178 IP4_ADDR(&ipaddr, 0,0,0,0);
candyshop 0:07d31130dd79 179 /* Initialise after configuration */
candyshop 0:07d31130dd79 180 lwip_init();
candyshop 0:07d31130dd79 181 netif->hwaddr_len = ETHARP_HWADDR_LEN;
candyshop 0:07d31130dd79 182 device_address((char *)netif->hwaddr);
candyshop 0:07d31130dd79 183 netif = netif_add(netif, &ipaddr, &netmask, &gateway, NULL, device_init, ip_input);
candyshop 0:07d31130dd79 184 netif->hostname = hostname;
candyshop 0:07d31130dd79 185 netif_set_default(netif);
candyshop 0:07d31130dd79 186 dhcp_start(netif); // <-- Use DHCP
candyshop 0:07d31130dd79 187
candyshop 0:07d31130dd79 188 /* Initialise all needed timers */
candyshop 0:07d31130dd79 189 tickARP.attach_us( &etharp_tmr, ARP_TMR_INTERVAL * 1000);
candyshop 0:07d31130dd79 190 tickFast.attach_us(&tcp_fasttmr, TCP_FAST_INTERVAL * 1000);
candyshop 0:07d31130dd79 191 tickSlow.attach_us(&tcp_slowtmr, TCP_SLOW_INTERVAL * 1000);
candyshop 0:07d31130dd79 192 dns_tick.attach_us(&dns_tmr, DNS_TMR_INTERVAL * 1000);
candyshop 0:07d31130dd79 193 dhcp_coarse.attach_us(&dhcp_coarse_tmr, DHCP_COARSE_TIMER_MSECS * 1000);
candyshop 0:07d31130dd79 194 dhcp_fine.attach_us(&dhcp_fine_tmr, DHCP_FINE_TIMER_MSECS * 1000);
candyshop 0:07d31130dd79 195 stage = 1;
candyshop 0:07d31130dd79 196 while (!netif_is_up(netif)) {
candyshop 0:07d31130dd79 197 ledLink = ethernet.link();
candyshop 0:07d31130dd79 198 device_poll();
candyshop 0:07d31130dd79 199 }
candyshop 0:07d31130dd79 200
candyshop 0:07d31130dd79 201 /*
candyshop 0:07d31130dd79 202 while (!(netif->dhcp->state == DHCP_BOUND || netif->dhcp->state == DHCP_PERMANENT))
candyshop 0:07d31130dd79 203 {
candyshop 0:07d31130dd79 204 ledLink = ethernet.link();
candyshop 0:07d31130dd79 205 device_poll();
candyshop 0:07d31130dd79 206 //printf("Waiting for DHCP response, state = %d\r\n", netif->dhcp->state);
candyshop 0:07d31130dd79 207 //wait_ms(100);
candyshop 0:07d31130dd79 208 }
candyshop 0:07d31130dd79 209 */
candyshop 0:07d31130dd79 210 stage = 2;
candyshop 0:07d31130dd79 211 printf("Interface is up, local IP is %s\r\n",
candyshop 0:07d31130dd79 212 inet_ntoa(*(struct in_addr*)&(netif->ip_addr)));
candyshop 0:07d31130dd79 213
candyshop 0:07d31130dd79 214 printf("Starting Web Server...\r\n");
candyshop 0:07d31130dd79 215
candyshop 0:07d31130dd79 216 /* Bind a function to a tcp port */
candyshop 0:07d31130dd79 217 struct tcp_pcb *pcb = tcp_new();
candyshop 0:07d31130dd79 218 if (tcp_bind(pcb, IP_ADDR_ANY, 80) == ERR_OK) {
candyshop 0:07d31130dd79 219 pcb = tcp_listen(pcb);
candyshop 0:07d31130dd79 220 tcp_accept(pcb, &accept_callback);
candyshop 0:07d31130dd79 221 }
candyshop 0:07d31130dd79 222
candyshop 0:07d31130dd79 223 printf("Waiting for connection...\r\n");
candyshop 0:07d31130dd79 224 while(1) {
candyshop 0:07d31130dd79 225 device_poll();
candyshop 0:07d31130dd79 226 ledLink = ethernet.link();
candyshop 0:07d31130dd79 227
candyshop 0:07d31130dd79 228
candyshop 0:07d31130dd79 229 sensor.setOTPReload(false);
candyshop 0:07d31130dd79 230 sensor.setResolution(true);
candyshop 0:07d31130dd79 231
candyshop 0:07d31130dd79 232
candyshop 0:07d31130dd79 233 sensor.update();
candyshop 0:07d31130dd79 234
candyshop 0:07d31130dd79 235
candyshop 0:07d31130dd79 236
candyshop 0:07d31130dd79 237 // Temperature in celcius
candyshop 0:07d31130dd79 238
candyshop 0:07d31130dd79 239 pc.printf("Temperatur [ %3.2f °C ]\r\n", sensor.getTemperature());
candyshop 0:07d31130dd79 240
candyshop 0:07d31130dd79 241
candyshop 0:07d31130dd79 242
candyshop 0:07d31130dd79 243 pc.printf("Luftfeuchtigkeit [ %3.2f %% ]\r\n", sensor.getHumidity());
candyshop 0:07d31130dd79 244 pc.printf("Windstärke: %3.2f\r\n",station.get_windspeed());
candyshop 0:07d31130dd79 245 pc.printf("Windrichtung: %3.2f °\r\n",station.get_windvane());
candyshop 0:07d31130dd79 246 pc.printf("Niederschlag %3.2f\r\n",station.get_raingauge());
candyshop 0:07d31130dd79 247
candyshop 0:07d31130dd79 248 lcd.printf("Temperatur [ %3.2f °C ]\r\n", sensor.getTemperature());
candyshop 0:07d31130dd79 249
candyshop 0:07d31130dd79 250
candyshop 0:07d31130dd79 251
candyshop 0:07d31130dd79 252 lcd.printf("Luftfeuchtigkeit [ %3.2f %% ]\r\n", sensor.getHumidity());
candyshop 0:07d31130dd79 253 lcd.printf("Windstärke: %3.2f\r\n",station.get_windspeed());
candyshop 0:07d31130dd79 254 lcd.printf("Windrichtung: %3.2f °\r\n",station.get_windvane());
candyshop 0:07d31130dd79 255 lcd.printf("Niederschlag %3.2f\r\n",station.get_raingauge());
candyshop 0:07d31130dd79 256
candyshop 0:07d31130dd79 257
candyshop 0:07d31130dd79 258
candyshop 0:07d31130dd79 259
candyshop 0:07d31130dd79 260
candyshop 0:07d31130dd79 261
candyshop 0:07d31130dd79 262
candyshop 0:07d31130dd79 263
candyshop 0:07d31130dd79 264
candyshop 0:07d31130dd79 265
candyshop 0:07d31130dd79 266
candyshop 0:07d31130dd79 267 wait(1);
candyshop 0:07d31130dd79 268
candyshop 0:07d31130dd79 269 }
candyshop 0:07d31130dd79 270 }
candyshop 0:07d31130dd79 271