Uploading sensor data (voltage divider, MAX4172, INA219) over Ethernet to Thing Speak service. Uses old mbed revision that is compatible with NetServices library. I2C communication is made with I2CR library.
Dependencies: C12832 I2CR INA219 NetServices mbed
Fork of NetServices_HelloWorld by
Diff: main.cpp
- Revision:
- 2:16857d9ab50d
- Parent:
- 1:57f922fe8fb5
- Child:
- 3:aeaa9fa8cda0
--- a/main.cpp Tue Nov 16 20:04:25 2010 +0000 +++ b/main.cpp Fri Nov 19 21:54:02 2010 +0000 @@ -2,22 +2,49 @@ #include "EthernetNetIf.h" #include "HTTPClient.h" #include "NTPClient.h" +#include "HTTPServer.h" +#include "RPCFunction.h" -EthernetNetIf eth("mbedSE"); +#define HOSTNAME "mbedSE" + +EthernetNetIf eth(HOSTNAME); HTTPClient http; NTPClient ntp; +HTTPServer svr; + +DigitalOut led1(LED1, "led1"); +DigitalOut led2(LED2, "led2"); +DigitalOut led3(LED3, "led3"); +DigitalOut led4(LED4, "led4"); + +void DoEcho(char* input, char* output); +RPCFunction Echo(&DoEcho, "echo"); + +void DoEcho(char* input, char* output) { + printf("%s\n", input); + strcpy(output, input); +} int main() { - printf("Setting up...\n"); - EthernetErr ethErr = eth.setup(); - if (ethErr) { - printf("Error %d in setup\n", ethErr); - return -1; - } + printf("\n\n/* NetServices tribute library demonstration */\n"); + printf("Try starting the program with the network disconnected and then connect after a few timeouts reported\n\n"); + EthernetErr ethErr; + do { + printf("Setting up...\n"); + ethErr = eth.setup(); + if (ethErr) printf("Timeout\n", ethErr); + } while (ethErr != ETH_OK); + + printf("Connected OK\n"); + const char* hwAddr = eth.getHwAddr(); + printf("HW address : %02x:%02x:%02x:%02x:%02x:%02x\n", + hwAddr[0], hwAddr[1], hwAddr[2], + hwAddr[3], hwAddr[4], hwAddr[5]); IpAddr ethIp = eth.getIp(); - printf("Connected ok, IP : %d.%d.%d.%d\n", ethIp[0], ethIp[1], ethIp[2], ethIp[3]); + printf("IP address : %d.%d.%d.%d\n", ethIp[0], ethIp[1], ethIp[2], ethIp[3]); + printf("Check router DHCP table for name : %s\n", HOSTNAME); printf("\nHTTPClient get...\n"); HTTPText txt; @@ -38,6 +65,31 @@ ctTime = time(NULL); printf("\nTime is now (UTC): %d %s\n", ctTime, ctime(&ctTime)); - printf("Done!\n"); - return 0; + printf("NTP setTime to a deliberately incorrect server...\n"); + server.setName("www.google.com"); + printf("Result : %d\n", ntp.setTime(server)); + + ctTime = time(NULL); + printf("\nTime should still be correct (UTC): %d %s\n", ctTime, ctime(&ctTime)); + + char ip[16]; + sprintf(ip, "%d.%d.%d.%d", ethIp[0], ethIp[1], ethIp[2], ethIp[3]); + +#define PORT 80 + svr.addHandler<RPCHandler>("/rpc"); + svr.bind(PORT); + printf("Server listening (port %d)\n", PORT); + printf("- LED1 should flash\n"); + printf("- type into browser to test url decode : %s/rpc/echo/run \"quoted string with <>\"\n", ip); + + Timer tm; + tm.start(); + + while (true) { + Net::poll(); + if (tm.read() > 0.5) { + led1 = !led1; + tm.start(); + } + } } \ No newline at end of file