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[ion] Add RTC subsystem

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This commit is contained in:
Jean-Baptiste Boric
2020-06-07 15:20:26 +02:00
parent 07da4831b1
commit 2fd15b7d7f
31 changed files with 743 additions and 9 deletions
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89
ion/src/shared/rtc.cpp Normal file
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@@ -0,0 +1,89 @@
#include <ion/rtc.h>
namespace Ion {
namespace RTC {
static bool consumeDigit(char text, int & target)
{
if (text < '0' || text > '9') {
return false;
}
target = target * 10 + (text - '0');
return true;
}
bool parseDate(const char * text, DateTime & target)
{
target.tm_mday = 0;
target.tm_mon = 0;
target.tm_year = 0;
if (!consumeDigit(*text++, target.tm_mday)) return false;
if (*text != '/') {
if (!consumeDigit(*text++, target.tm_mday)) return false;
}
if (*text++ != '/') return false;
if (!consumeDigit(*text++, target.tm_mon)) return false;
if (*text != '/') {
if (!consumeDigit(*text++, target.tm_mon)) return false;
}
if (*text++ != '/') return false;
if (!consumeDigit(*text++, target.tm_year)) return false;
if (!consumeDigit(*text++, target.tm_year)) return false;
if (!consumeDigit(*text++, target.tm_year)) return false;
if (!consumeDigit(*text++, target.tm_year)) return false;
if (*text++ != '\0') return false;
return true;
}
bool parseTime(const char * text, DateTime & target)
{
target.tm_sec = 0;
target.tm_min = 0;
target.tm_hour = 0;
if (!consumeDigit(*text++, target.tm_hour)) return false;
if (!consumeDigit(*text++, target.tm_hour)) return false;
if (*text++ != ':') return false;
if (!consumeDigit(*text++, target.tm_min)) return false;
if (!consumeDigit(*text++, target.tm_min)) return false;
if (*text == '\0') return true;
if (*text++ != ':') return false;
if (!consumeDigit(*text++, target.tm_sec)) return false;
if (!consumeDigit(*text++, target.tm_sec)) return false;
if (*text++ != '\0') return false;
return true;
}
void toStringDate(DateTime dateTime, char *text)
{
*text++ = ((dateTime.tm_mday / 10) % 10) + '0';
*text++ = ((dateTime.tm_mday / 1) % 10) + '0';
*text++ = '/';
*text++ = ((dateTime.tm_mon / 10) % 10) + '0';
*text++ = ((dateTime.tm_mon / 1) % 10) + '0';
*text++ = '/';
*text++ = ((dateTime.tm_year / 1000) % 10) + '0';
*text++ = ((dateTime.tm_year / 100) % 10) + '0';
*text++ = ((dateTime.tm_year / 10) % 10) + '0';
*text++ = ((dateTime.tm_year / 1) % 10) + '0';
*text++ = '\0';
}
void toStringTime(DateTime dateTime, char *text)
{
*text++ = ((dateTime.tm_hour / 10) % 10) + '0';
*text++ = ((dateTime.tm_hour / 1) % 10) + '0';
*text++ = ':';
*text++ = ((dateTime.tm_min / 10) % 10) + '0';
*text++ = ((dateTime.tm_min / 1) % 10) + '0';
*text++ = ':';
*text++ = ((dateTime.tm_sec / 10) % 10) + '0';
*text++ = ((dateTime.tm_sec / 1) % 10) + '0';
*text++ = '\0';
}
}
}