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added back NoC99 io section

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This commit is contained in:
Robin Müller 2020-04-21 16:32:39 +02:00
parent ea904642d1
commit c30cae3431
1 changed files with 46 additions and 0 deletions
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46
timemanager/CCSDSTime.cpp
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@ -155,6 +155,51 @@ ReturnValue_t CCSDSTime::convertFromASCII(Clock::TimeOfDay_t* to, const uint8_t*
if (length < 19) {
return RETURN_FAILED;
}
// Newlib nano can't parse uint8, see SCNu8 documentation and https://sourceware.org/newlib/README
// Suggestion: use uint16 all the time. This should work on all systems.
#ifdef NEWLIB_NANO_NO_C99_IO
uint16_t year;
uint16_t month;
uint16_t day;
uint16_t hour;
uint16_t minute;
float second;
int count = sscanf((char *) from, "%4" SCNu16 "-%2" SCNu16 "-%2"
SCNu16 "T%2" SCNu16 ":%2" SCNu16 ":%fZ", &year, &month, &day, &hour,
&minute, &second);
if (count == 6) {
to->year = year;
to->month = month;
to->day = day;
to->hour = hour;
to->minute = minute;
to->second = second;
to->usecond = (second - floor(second)) * 1000000;
return RETURN_OK;
}
// try Code B (yyyy-ddd)
count = sscanf((char *) from, "%4" SCNu16 "-%3" SCNu16 "T%2" SCNu16 ":%2"
SCNu16 ":%fZ", &year, &day, &hour, &minute, &second);
if (count == 5) {
uint8_t tempDay;
ReturnValue_t result = CCSDSTime::convertDaysOfYear(day, year,
reinterpret_cast<uint8_t *>(&month), reinterpret_cast<uint8_t *>(&tempDay));
if (result != RETURN_OK) {
return RETURN_FAILED;
}
to->year = year;
to->month = month;
to->day = tempDay;
to->hour = hour;
to->minute = minute;
to->second = second;
to->usecond = (second - floor(second)) * 1000000;
return RETURN_OK;
}
// Warning: Compiler/Linker fails ambiguously if library does not implement
// C99 I/O
#else
uint16_t year;
uint8_t month;
uint16_t day;
@ -195,6 +240,7 @@ ReturnValue_t CCSDSTime::convertFromASCII(Clock::TimeOfDay_t* to, const uint8_t*
to->usecond = (second - floor(second)) * 1000000;
return RETURN_OK;
}
#endif
return UNSUPPORTED_TIME_FORMAT;
}