Tadao Iida
エレキジャック Web版 mbedで初めてのマイコン開発 メモリカードを使ったデータの読み書き<3/3> センサから得たデータをSDに書き込むプログラムです。時刻設定はNTPを使っています。 http://www.eleki-jack.com/arm/2010/12/mbed-7.html
Dependencies: EthernetNetIf NTPClient_NetServices TextLCD mbed SDFileSystem
Revision 0:3bee4ab4e52e, committed 2011-02-04
- Comitter:
- sunifu
- Date:
- Fri Feb 04 15:20:31 2011 +0000
- Commit message:
Changed in this revision
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/EthernetNetIf.lib Fri Feb 04 15:20:31 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/FATFileSystem.lib Fri Feb 04 15:20:31 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_unsupported/code/fatfilesystem/ \ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/NTPClient.lib Fri Feb 04 15:20:31 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/SDFileSystem.lib Fri Feb 04 15:20:31 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/simon/code/SDFileSystem/#b1ddfc9a9b25
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/TextLCD.lib Fri Feb 04 15:20:31 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 Fri Feb 04 15:20:31 2011 +0000
@@ -0,0 +1,103 @@
+#include "mbed.h"
+#include "TextLCD.h"
+#include "SDFileSystem.h"
+#include "EthernetNetIf.h"
+#include "NTPClient.h"
+
+
+TextLCD lcd(p24, p26, p27, p28, p29, p30);
+AnalogIn temp_in(p20);
+SDFileSystem sd(p5, p6, p7, p8, "sd1") ;
+
+Ticker lcdTimer, writeTimer;
+char strNtpErrMsg[32] ;
+char strDispMsg[32];
+double temp;
+
+void dataWriting() {
+ FILE *fp;
+ //
+ if ( (fp = fopen("/sd1/temp.txt","a")) == NULL ) {
+ printf("Open Failed. \n") ;
+ exit(0);
+ }
+
+ //
+ fprintf(fp,"%s,%5.3f,%5.3f\r\n",strDispMsg,temp, temp*55);
+
+ //
+ printf("%s,%5.3f,%5.3f\r\n",strDispMsg,temp, temp*55) ;
+
+ //
+ fclose(fp);
+}
+void lcdUpdate(){
+ double rtemp;
+ char dt[16];
+ time_t ctTime ;
+
+ //
+ temp = temp_in;
+ rtemp = temp * 55.0 ;
+
+ //
+ lcd.locate(0,0);
+ lcd.printf("RoomTemp %5.2f",rtemp);
+ lcd.locate(14,0);
+ lcd.putc(0xDf);
+ lcd.putc(0x43);
+
+ //
+ ctTime = time(NULL)+32400 ;
+ strftime(strDispMsg,32,"%Y/%m/%d %H:%M",localtime(&ctTime));
+
+ //
+ strftime(dt,16," %m/%d %X",localtime(&ctTime));
+ lcd.locate(0,1);
+ lcd.printf("%s",dt);
+}
+
+
+int main() {
+ EthernetNetIf eth;
+ NTPClient ntp;
+
+ lcd.cls();
+ lcd.locate(0,0);
+ lcd.printf("Please wait...");
+
+ //
+ EthernetErr ethErr = eth.setup() ;
+ if( ethErr != ETH_OK )
+ {
+ printf("Error %d in setup.\r\n", ethErr);
+ lcd.locate(0,1);
+ lcd.printf("NW Setup Error.");
+ }
+
+ Host ntpsrv(IpAddr(), 123, "ntp.nict.jp") ;
+ NTPResult ntpResult = ntp.setTime(ntpsrv) ;
+
+ if( ntpResult == NTP_OK ){
+ sprintf(strNtpErrMsg,"NTP Connect OK!\r\n");
+ }else if ( ntpResult == NTP_PRTCL ){
+ sprintf(strNtpErrMsg,"NTP Protocol error.\r\n") ;
+ }else if ( ntpResult == NTP_TIMEOUT ){
+ sprintf(strNtpErrMsg,"Connection timeout.\r\n");
+ }else if ( ntpResult == NTP_DNS ){
+ sprintf(strNtpErrMsg,"Could not resolve DNS hostname.\r\n") ;
+ }else if ( ntpResult == NTP_PROCESSING ){
+ sprintf(strNtpErrMsg,"Processing.\r\n");
+ }else{
+ sprintf(strNtpErrMsg,"NTP Error.");
+ }
+
+ printf("%s\r\n",strNtpErrMsg);
+
+ lcdTimer.attach(&lcdUpdate,1.0);
+
+ writeTimer.attach(&dataWriting, 60.0);
+
+ while(1){
+ }
+}
\ No newline at end of file
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Fri Feb 04 15:20:31 2011 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/e2ac27c8e93e