sdcard
Dependencies: SDFileSystem mbed
Fork of rtcfinalcodeyuppie by
Diff: main.cpp
- Revision:
- 2:d67cd8569921
- Parent:
- 1:d360ad53f8fd
- Child:
- 3:6cde88f8c50f
--- a/main.cpp Mon Dec 22 07:04:43 2014 +0000 +++ b/main.cpp Mon Dec 22 09:27:47 2014 +0000 @@ -3,6 +3,9 @@ DigitalOut cs(PTD2); void spiwrite(int); +int spiread(int); +int hexint(int); +char* getname(int,int,int,int,int,int,int); int main() @@ -20,8 +23,15 @@ spi.write(0x80); // set write register to seconds spi.write(0x00); // send value of one*/ spiwrite(0x80); + spiwrite(0x81); + spiwrite(0x82); + spiwrite(0x83); + spiwrite(0x84); + spiwrite(0x85); + spiwrite(0x86); - cs=1; + + /* cs=1; cs=0; spi.write(0x81); //write reg to minutes spi.write(0x00); @@ -57,57 +67,59 @@ spi.write(0x86); // set write register to seconds spi.write(0x01); // send value of one - cs=1; + cs=1;*/ // Receive the contents of the seconds register for(int i=0;i<1000000;i++){ - cs=0; + /*cs=0; spi.write(0x00); // set read register to seconds - int seconds = spi.write(0x00); // read the value + int seconds = spi.write(0x00); // read the value*/ + int seconds=spiread(0x00); - cs=1; + /*cs=1; cs=0; - spi.write(0x01); - int minutes =spi.write(0x00); + spi.write(0x01);*/ + int minutes =spiread(0x01); - cs=1; + /*cs=1; cs=0; - spi.write(0x02); - int hours =spi.write(0x01); - cs = 1; //This cs=1 is to make the chipselect line high to "deselect" the slave in our case RTC + spi.write(0x02);*/ + int hours =spiread(0x02); + /* cs = 1; //This cs=1 is to make the chipselect line high to "deselect" the slave in our case RTC cs=0; - spi.write(0x03); - int day =spi.write(0x01); - cs = 1; + spi.write(0x03);*/ + int day =spi.write(0x03); + /*cs = 1; cs=0; - spi.write(0x04); - int date =spi.write(0x01); - cs = 1; + spi.write(0x04);*/ + int date =spiread(0x04); + /*cs = 1; cs=0; - spi.write(0x05); - int month =spi.write(0x01); - cs = 1; + spi.write(0x05);*/ + int month =spiread(0x05); + /*cs = 1; cs=0; - spi.write(0x06); - int year =spi.write(0x01); + spi.write(0x06);*/ + int year =spiread(0x06); cs = 1; wait(1); //This printf function is to check the timestamp function in the terminal output 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)); } return 0; @@ -122,4 +134,38 @@ cs=0; spi.write(a); spi.write(0x01); - } \ No newline at end of file + } + 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; +} \ No newline at end of file