Ales Povalac
testing app for DS1307 RTC and 1-wire driver for DS8B20
Dependencies: DS1307 OneWire mbed
Revision 0:711e5c134396, committed 2014-04-28
- Comitter:
- alpov
- Date:
- Mon Apr 28 07:34:00 2014 +0000
- Commit message:
- testing app for DS1307 RTC and 1-wire driver for DS18B20
Changed in this revision
diff -r 000000000000 -r 711e5c134396 DS1307.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/DS1307.lib Mon Apr 28 07:34:00 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/alpov/code/DS1307/#60383faa35a9
diff -r 000000000000 -r 711e5c134396 OneWire.lib --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/OneWire.lib Mon Apr 28 07:34:00 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/alpov/code/OneWire/#445fe6e6bd68
diff -r 000000000000 -r 711e5c134396 main.cpp
--- /dev/null Thu Jan 01 00:00:00 1970 +0000
+++ b/main.cpp Mon Apr 28 07:34:00 2014 +0000
@@ -0,0 +1,94 @@
+#include "mbed.h"
+#include "DS1307.h"
+#include "1wire.h"
+
+DS1307 rtc(PTE0, PTE1);
+OneWire ow(A4, A2, A3);
+
+Serial pc(USBTX, USBRX, "pc");
+
+
+int main()
+{
+ Timer t;
+ char c;
+
+ pc.printf("\n\n\n\n*************************************\n");
+ pc.printf("* r - reads the clock\n");
+ pc.printf("* w - write the clock\n");
+ pc.printf("* c - convert temperatures\n");
+ pc.printf("* t - search 1wire and list read temperatures\n");
+ pc.printf("*************************************\n\n");
+
+ while (1)
+ {
+ c = pc.getc();
+ if (c == 'r') {
+ // perform read
+ t.reset();
+ t.start();
+ time_t m_time = rtc.now();
+ t.stop();
+
+ struct tm *now;
+ now = localtime(&m_time);
+
+ pc.printf("Current time is %lu, %02d:%02d:%02d, %d.%d.%04d\n",
+ m_time,
+ now->tm_hour, now->tm_min, now->tm_sec,
+ now->tm_mday, now->tm_mon+1, now->tm_year+1900
+ );
+ pc.printf("Internal datetime format is %s\n", asctime(now));
+ pc.printf("Read complete, elapsed %uus\n", t.read_us());
+
+ }
+ else if (c == 'w') {
+ // perform write
+ int date, month, year, hours, minutes, seconds;
+ pc.printf("Enter the date (date 1..31)\n"); pc.scanf("%d", &date);
+ pc.printf("Enter the date (month 1..12)\n"); pc.scanf("%d", &month);
+ pc.printf("Enter the date (year >2000)\n"); pc.scanf("%d", &year);
+ pc.printf("Enter the time (hours 0..23)\n"); pc.scanf("%d", &hours);
+ pc.printf("Enter the time (minutes 0..59)\n"); pc.scanf("%d", &minutes);
+ pc.printf("Enter the time (seconds 0..59)\n"); pc.scanf("%d", &seconds);
+
+ struct tm now = {seconds, minutes, hours, date, month-1, year-1900};
+ time_t m_time = mktime(&now);
+
+ t.reset();
+ t.start();
+ bool b = rtc.set_time(m_time);
+ t.stop();
+
+ pc.printf("Write complete (UNIX %lu, result %d), elapsed %uus\n", m_time, b, t.read_us());
+ }
+ else if (c == 'c') {
+ ow.ConvertAll(true);
+ pc.printf("Convert done\n");
+ }
+ else if (c == 't') {
+ int result, temp;
+ uint8_t rom[8];
+
+ memset(rom, 0, sizeof(rom));
+ result = ow.First(rom);
+ while (result == OW_FOUND) {
+ for (int i = 0; i < 8; i++) pc.printf("%.2X", rom[i]);
+
+ t.reset();
+ t.start();
+ int b = ow.ReadTemperature(rom, &temp);
+ t.stop();
+ if (b) pc.printf(": read failed, code 0x%.4x, elapsed %uus\n", b, t.read_us());
+ else pc.printf(": read ok, temperature %.2f'C, elapsed %uus\n", temp / 100., t.read_us());
+
+ result = ow.Next(rom);
+ }
+ pc.printf("Done\n");
+ }
+ else {
+ pc.printf("Syntax error\n");
+ }
+ pc.printf("\n");
+ }
+}
diff -r 000000000000 -r 711e5c134396 mbed.bld --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/mbed.bld Mon Apr 28 07:34:00 2014 +0000 @@ -0,0 +1,1 @@ +http://mbed.org/users/mbed_official/code/mbed/builds/6473597d706e \ No newline at end of file