X-Git-Url: http://git.linex4red.de/pub/USBasp.git/blobdiff_plain/96a12cd12cb9294ba9a7ec5547af81b9c6575748..55d7e1e65bccd6b4c44802cf971f39eb05e6e57a:/Projects/TemperatureDataLogger/Lib/DS1307.c?ds=sidebyside diff --git a/Projects/TemperatureDataLogger/Lib/DS1307.c b/Projects/TemperatureDataLogger/Lib/DS1307.c index 64e03df0d..8aa6ad0ef 100644 --- a/Projects/TemperatureDataLogger/Lib/DS1307.c +++ b/Projects/TemperatureDataLogger/Lib/DS1307.c @@ -1,124 +1,124 @@ -/* - Copyright (C) Dean Camera, 2010. - - dean [at] fourwalledcubicle [dot] com - www.fourwalledcubicle.com -*/ - -#include "DS1307.h" - -void DS1307_SetDate(uint8_t Day, uint8_t Month, uint8_t Year) -{ -#if defined(DUMMY_RTC) - return; -#endif - - DS1307_DateRegs_t CurrentRTCDate; - CurrentRTCDate.Byte1.TenDay = (Day / 10); - CurrentRTCDate.Byte1.Day = (Day % 10); - CurrentRTCDate.Byte2.TenMonth = (Month / 10); - CurrentRTCDate.Byte2.Month = (Month % 10); - CurrentRTCDate.Byte3.TenYear = (Year / 10); - CurrentRTCDate.Byte3.Year = (Year % 10); - - if (TWI_StartTransmission(DS1307_ADDRESS_WRITE)) - { - TWI_SendByte(DS1307_DATEREG_START); - TWI_SendByte(CurrentRTCDate.Byte1.IntVal); - TWI_SendByte(CurrentRTCDate.Byte2.IntVal); - TWI_SendByte(CurrentRTCDate.Byte3.IntVal); - - TWI_StopTransmission(); - } -} - -void DS1307_SetTime(uint8_t Hour, uint8_t Minute, uint8_t Second) -{ -#if defined(DUMMY_RTC) - return; -#endif - - DS1307_TimeRegs_t CurrentRTCTime; - CurrentRTCTime.Byte1.TenSec = (Second / 10); - CurrentRTCTime.Byte1.Sec = (Second % 10); - CurrentRTCTime.Byte1.CH = false; - CurrentRTCTime.Byte2.TenMin = (Minute / 10); - CurrentRTCTime.Byte2.Min = (Minute % 10); - CurrentRTCTime.Byte3.TenHour = (Hour / 10); - CurrentRTCTime.Byte3.Hour = (Hour % 10); - CurrentRTCTime.Byte3.TwelveHourMode = false; - - if (TWI_StartTransmission(DS1307_ADDRESS_WRITE)) - { - TWI_SendByte(DS1307_TIMEREG_START); - TWI_SendByte(CurrentRTCTime.Byte1.IntVal); - TWI_SendByte(CurrentRTCTime.Byte2.IntVal); - TWI_SendByte(CurrentRTCTime.Byte3.IntVal); - - TWI_StopTransmission(); - } -} - -void DS1307_GetDate(uint8_t* Day, uint8_t* Month, uint8_t* Year) -{ -#if defined(DUMMY_RTC) - *Day = 1; - *Month = 1; - *Year = 1; - return; -#endif - - if (TWI_StartTransmission(DS1307_ADDRESS_WRITE)) - { - TWI_SendByte(DS1307_DATEREG_START); - - TWI_StopTransmission(); - } - - DS1307_DateRegs_t CurrentRTCDate; - - if (TWI_StartTransmission(DS1307_ADDRESS_READ)) - { - TWI_ReceiveByte(&CurrentRTCDate.Byte1.IntVal, false); - TWI_ReceiveByte(&CurrentRTCDate.Byte2.IntVal, false); - TWI_ReceiveByte(&CurrentRTCDate.Byte3.IntVal, true); - - TWI_StopTransmission(); - } - - *Day = (CurrentRTCDate.Byte1.TenDay * 10) + CurrentRTCDate.Byte1.Day; - *Month = (CurrentRTCDate.Byte2.TenMonth * 10) + CurrentRTCDate.Byte2.Month; - *Year = (CurrentRTCDate.Byte3.TenYear * 10) + CurrentRTCDate.Byte3.Year; -} - -void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second) -{ -#if defined(DUMMY_RTC) - *Hour = 1; - *Minute = 1; - *Second = 1; - return; -#endif - - if (TWI_StartTransmission(DS1307_ADDRESS_WRITE)) - { - TWI_SendByte(DS1307_TIMEREG_START); - - TWI_StopTransmission(); - } - - DS1307_TimeRegs_t CurrentRTCTime; - - if (TWI_StartTransmission(DS1307_ADDRESS_READ)) - { - TWI_ReceiveByte(&CurrentRTCTime.Byte1.IntVal, false); - TWI_ReceiveByte(&CurrentRTCTime.Byte2.IntVal, false); - TWI_ReceiveByte(&CurrentRTCTime.Byte3.IntVal, true); - - TWI_StopTransmission(); - } - - *Second = (CurrentRTCTime.Byte1.TenSec * 10) + CurrentRTCTime.Byte1.Sec; - *Minute = (CurrentRTCTime.Byte2.TenMin * 10) + CurrentRTCTime.Byte2.Min; - *Hour = (CurrentRTCTime.Byte3.TenHour * 10) + CurrentRTCTime.Byte3.Hour; -} +/* + Copyright (C) Dean Camera, 2010. + + dean [at] fourwalledcubicle [dot] com + www.fourwalledcubicle.com +*/ + +#include "DS1307.h" + +void DS1307_SetDate(uint8_t Day, uint8_t Month, uint8_t Year) +{ +#if defined(DUMMY_RTC) + return; +#endif + + DS1307_DateRegs_t CurrentRTCDate; + CurrentRTCDate.Byte1.TenDay = (Day / 10); + CurrentRTCDate.Byte1.Day = (Day % 10); + CurrentRTCDate.Byte2.TenMonth = (Month / 10); + CurrentRTCDate.Byte2.Month = (Month % 10); + CurrentRTCDate.Byte3.TenYear = (Year / 10); + CurrentRTCDate.Byte3.Year = (Year % 10); + + if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10)) + { + TWI_SendByte(DS1307_DATEREG_START); + TWI_SendByte(CurrentRTCDate.Byte1.IntVal); + TWI_SendByte(CurrentRTCDate.Byte2.IntVal); + TWI_SendByte(CurrentRTCDate.Byte3.IntVal); + + TWI_StopTransmission(); + } +} + +void DS1307_SetTime(uint8_t Hour, uint8_t Minute, uint8_t Second) +{ +#if defined(DUMMY_RTC) + return; +#endif + + DS1307_TimeRegs_t CurrentRTCTime; + CurrentRTCTime.Byte1.TenSec = (Second / 10); + CurrentRTCTime.Byte1.Sec = (Second % 10); + CurrentRTCTime.Byte1.CH = false; + CurrentRTCTime.Byte2.TenMin = (Minute / 10); + CurrentRTCTime.Byte2.Min = (Minute % 10); + CurrentRTCTime.Byte3.TenHour = (Hour / 10); + CurrentRTCTime.Byte3.Hour = (Hour % 10); + CurrentRTCTime.Byte3.TwelveHourMode = false; + + if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10)) + { + TWI_SendByte(DS1307_TIMEREG_START); + TWI_SendByte(CurrentRTCTime.Byte1.IntVal); + TWI_SendByte(CurrentRTCTime.Byte2.IntVal); + TWI_SendByte(CurrentRTCTime.Byte3.IntVal); + + TWI_StopTransmission(); + } +} + +void DS1307_GetDate(uint8_t* Day, uint8_t* Month, uint8_t* Year) +{ +#if defined(DUMMY_RTC) + *Day = 1; + *Month = 1; + *Year = 1; + return; +#endif + + if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10)) + { + TWI_SendByte(DS1307_DATEREG_START); + + TWI_StopTransmission(); + } + + DS1307_DateRegs_t CurrentRTCDate; + + if (TWI_StartTransmission(DS1307_ADDRESS_READ, 10)) + { + TWI_ReceiveByte(&CurrentRTCDate.Byte1.IntVal, false); + TWI_ReceiveByte(&CurrentRTCDate.Byte2.IntVal, false); + TWI_ReceiveByte(&CurrentRTCDate.Byte3.IntVal, true); + + TWI_StopTransmission(); + } + + *Day = (CurrentRTCDate.Byte1.TenDay * 10) + CurrentRTCDate.Byte1.Day; + *Month = (CurrentRTCDate.Byte2.TenMonth * 10) + CurrentRTCDate.Byte2.Month; + *Year = (CurrentRTCDate.Byte3.TenYear * 10) + CurrentRTCDate.Byte3.Year; +} + +void DS1307_GetTime(uint8_t* Hour, uint8_t* Minute, uint8_t* Second) +{ +#if defined(DUMMY_RTC) + *Hour = 1; + *Minute = 1; + *Second = 1; + return; +#endif + + if (TWI_StartTransmission(DS1307_ADDRESS_WRITE, 10)) + { + TWI_SendByte(DS1307_TIMEREG_START); + + TWI_StopTransmission(); + } + + DS1307_TimeRegs_t CurrentRTCTime; + + if (TWI_StartTransmission(DS1307_ADDRESS_READ, 10)) + { + TWI_ReceiveByte(&CurrentRTCTime.Byte1.IntVal, false); + TWI_ReceiveByte(&CurrentRTCTime.Byte2.IntVal, false); + TWI_ReceiveByte(&CurrentRTCTime.Byte3.IntVal, true); + + TWI_StopTransmission(); + } + + *Second = (CurrentRTCTime.Byte1.TenSec * 10) + CurrentRTCTime.Byte1.Sec; + *Minute = (CurrentRTCTime.Byte2.TenMin * 10) + CurrentRTCTime.Byte2.Min; + *Hour = (CurrentRTCTime.Byte3.TenHour * 10) + CurrentRTCTime.Byte3.Hour; +}