Tadao Iida
mbed/ARM 活用事例 第6章 mbedをネットワークにつなげよう！
Dependencies: EthernetNetIf NTPClient_NetServices TextLCD mbed
Revision 0:557d73fbbcee, committed 2011-10-04
- Comitter:
- sunifu
- Date:
- Tue Oct 04 13:27:49 2011 +0000
- Commit message:
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf.lib Tue Oct 04 13:27:49 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/donatien/code/EthernetNetIf/#bc7df6da7589
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NTPClient.lib Tue Oct 04 13:27:49 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/donatien/code/NTPClient/#7c3f1199256a
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Tue Oct 04 13:27:49 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/TextLCD/#44f34c09bd37
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Tue Oct 04 13:27:49 2011 +0000
@@ -0,0 +1,124 @@
+#include "mbed.h"
+#include "EthernetNetIf.h"
+#include "UDPSocket.h"
+#include "NTPClient.h"
+#include "TextLCD.h"
+
+#define PORT 50001
+#define LOCATION 1000
+
+TextLCD lcd(p24, p26, p27, p28, p29, p30);
+AnalogIn temp_in(p20);
+AnalogIn humid_in(p19);
+
+Host server;
+IpAddr ip;
+UDPSocket udp;
+NTPClient ntp;
+
+Ticker in;
+
+void Update(){
+ char msg[64] ;
+ float r_temp, r_humid;
+ float temp,humid;
+ char strTimeMsg[16];
+ time_t ctTime;
+
+ temp = temp_in;
+ humid = humid_in;
+
+ r_humid = humid * 3.3 * 100 ;
+ r_temp = temp * 55.0 ;
+
+ ctTime = time(NULL)+32400;
+ strftime(strTimeMsg,16,"%y/%m/%d %H:%M",localtime(&ctTime));
+
+ lcd.cls();
+ lcd.locate(0,0);
+ lcd.printf("%s",strTimeMsg);
+
+ lcd.locate(0,1);
+ lcd.printf("H%5.1f%% T%5.1f",r_humid,r_temp);
+
+ lcd.locate(14,1);
+ lcd.putc(0xDf);
+ lcd.putc(0x43);
+
+ ctTime = time(NULL)+32400;
+ strftime(strTimeMsg,16,"%y/%m/%d %H:%M",localtime(&ctTime));
+ sprintf(msg, "%4d\t,%6.2f\t,%6.2f\t,",LOCATION,r_temp,r_humid);
+ strcat(msg,strTimeMsg);
+ udp.sendto( msg, strlen(msg), &server );
+ printf("%s\r\n",msg);
+}
+
+void setRTC_NTP()
+{
+ char strNtpErrMsg[32] ;
+
+ Host ntpsrv(IpAddr(), 123, "ntp.nict.jp") ;
+ NTPResult ntpResult = ntp.setTime(ntpsrv) ;
+
+ if( ntpResult == NTP_OK ){
+ sprintf(strNtpErrMsg,"NTP Connect OK!");
+ }else if ( ntpResult == NTP_PRTCL ){
+ sprintf(strNtpErrMsg,"NTP Protocol error.") ;
+ }else if ( ntpResult == NTP_TIMEOUT ){
+ sprintf(strNtpErrMsg,"Connection timeout.");
+ }else if ( ntpResult == NTP_DNS ){
+ sprintf(strNtpErrMsg,"Could not resolve DNS hostname.") ;
+ }else if ( ntpResult == NTP_PROCESSING ){
+ sprintf(strNtpErrMsg,"Processing.");
+ }else{
+ sprintf(strNtpErrMsg,"NTP Error.");
+ }
+ printf("[%s]\r\n",strNtpErrMsg);
+}
+
+int main() {
+
+ char ipaddr[16];
+
+ EthernetNetIf eth; // (1) -- DHCP
+// EthernetNetIf eth( // (2) -- static IP address
+// IpAddr(192,168,0,10), // IP Address
+// IpAddr(255,255,255,0), // Subnet Mask
+// IpAddr(192,168,0,1), // Default Gateway
+// IpAddr(192,168,0,1) // DNS Server
+// ) ;
+
+ lcd.cls();
+ lcd.locate(0,0);
+ lcd.printf("NW Setup ... ");
+
+ EthernetErr ethErr = eth.setup();
+
+ if( ethErr != ETH_OK )
+ {
+ lcd.locate(0,0);
+ lcd.printf("NW Setup Error! ", ethErr);
+ return -1;
+ }
+
+ lcd.locate(0,0);
+ lcd.printf("NW Setup ...[OK]");
+
+// ip = IpAddr(192,168,0,4);
+ ip = IpAddr(192,244,80,66);
+ server = Host(ip, PORT, NULL);
+
+ lcd.locate(0,1);
+ sprintf(ipaddr,"%d.%d.%d.%d ",ip[0],ip[1],ip[2],ip[3]);
+ lcd.printf("%s",ipaddr);
+ wait(1.0);
+
+ setRTC_NTP();
+
+ in.attach(&Update,10);
+
+ while(true)
+ {
+ Net::poll();
+ }
+}
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Tue Oct 04 13:27:49 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/63bcd7ba4912