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Re: How do you write/read signed integers to/from internal EEPROM? Kategorie: Programmierung C (von PepeV - 19.10.2010 20:27)
Als Antwort auf Re: How do you write/read signed integers to/from internal EEPROM? von ulrich korth - 19.10.2010 18:40
> > Hi all, > > > > I want to write signed integers to the internal EEPROM of the MEGA128 and then read them and > > send them to the output window of the IDE. All this off course with minimal code (in cc). > > I tried this: > > > > int i; > > i = -42; > > EEPROM_WriteWord(EEPROM_addr, i); > > Msg_WriteInt(EEPROM_ReadWord(EEPROM_addr)); > > > > This works with i from -209 to 209 but other values give unexpected results. Why? > > Has anyone a suggestion for an alternative? > > > > Thanks for any help. > > Pepe > Hi Pepe, > what is EEPROM_addr? Can be only 1...(4kB-32) for Mega 128! > Ulrich Hi Ulrich, Yes I know, I stay in that range (though I use 0 too). Pepe
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