kanewallmann / rtcc-mcp7940n-arduino Goto Github PK
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License: MIT License
Arduino library to control a Microchip MCP7940N or compatible Real Time Clock and Calendar.
License: MIT License
Hi,
Method HasPowerFailed should receive two time structures pointers and read timestamp registers (store power failure and power restore times). So, it will return true
when a power failure has occurred but also will read when it happened before clear the state bit (what also clears the registers).
BRs,
Benito
I think you have a typo on line 532 of RTCC_MCP7940N.cpp
to->tm_year = ((from->yrten * 10) + from->yrten) + 100;
shouldn't it be
to->tm_year = ((from->yrten * 10) + from->yrone) + 100;
In the function
bool RTCC_MCP7940N::GetCourseTrimEnabled() { return this->GetFlag(0x08, B100); }
you maybe reading from the wrong register. Register 8 holds the trim value but register 7 holds the enable bit value. You had it correct in the set function.
void RTCC_MCP7940N::SetCourseTrimEnabled(bool enabled) { this->SetBits(0x07, B100, enabled << 2); }
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