sdcard

Dependencies:   SDFileSystem mbed

Fork of rtcfinalcodeyuppie by Pradeep Kotipalli

Revision:
3:6cde88f8c50f
Child:
4:374c51671a69
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/rtsc.cpp	Mon Dec 22 10:10:38 2014 +0000
@@ -0,0 +1,73 @@
+#include "rtsc.h"
+SPI spi(PTD6, PTD7, PTD5);
+DigitalOut cs(PTD2);
+
+ void spiwrite(int a)
+    {
+        cs=1;
+        cs=0;
+        spi.write(a);
+        spi.write(0x01);
+    }
+    
+    int spiread(int a)
+    {
+        cs=1;
+        cs=0;
+        spi.write(a);
+        return(spi.write(0x00));
+    }
+    char* getname(int year1,int month1,int date1,int day1,int hours1,int minutes1,int seconds1)
+{
+    year1= hexint(year1);
+    month1=hexint(month1);
+    date1=hexint(date1);
+    day1=hexint(day1);
+    hours1=hexint(hours1);
+    minutes1=hexint(minutes1);
+    seconds1=hexint(seconds1);
+    /*char y[3]=getstr(year);
+    char m[3]=getstr(month);
+    char dat[3]=getstr(date);
+    char da[3]=getstr(day);
+    char h[3]=getstr(hours);
+    char mi[3]=getstr(minutes);
+    char s[3]=getstr(seconds);*/
+    char time[15];
+    sprintf(time,"%2d%2d%2d%2d%2d%2d%2d",year1,month1,date1,day1,hours1,minutes1,seconds1);
+    return(time);
+    
+}
+
+int hexint(int a)
+{
+    a=(a/16)*10+(a%16);
+    return a;
+}
+
+char* getts(void)
+{
+    spi.format(8,3);
+    spi.frequency(1000000);
+    spiwrite(0x80);
+    spiwrite(0x81);
+    spiwrite(0x82);
+    spiwrite(0x83);
+    spiwrite(0x84);
+    spiwrite(0x85);
+    spiwrite(0x86);
+    for(int i=0;i<1000000;i++){
+    int seconds=spiread(0x00);
+    int minutes =spiread(0x01);
+    int hours =spiread(0x02);
+    int day =spi.write(0x03);
+    int date =spiread(0x04);
+    int month =spiread(0x05);
+    int year =spiread(0x06);
+    cs = 1;
+    
+    wait(1);
+    printf("Seconds register = %2X : %2X : %2X : %2X : %2X : %2X : %2X \n\r",year,month,date,day, hours,minutes,seconds);
+     printf("b4 returning tmpstmp is : %s\n",getname(year,month,date,day,hours,minutes,seconds));
+    }
+    }
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