GCBASIC Code

Added Hardware I2C support and two minor methods to read/write any register.

Updated the handling of the Alarms to ensure the protocol did not overwrite any bits. Tested all is good. :-)

Changes to credit only. No functional changes.

Initial posting for the DS3231 clock.

•SetAlarm now supports months
•ReadAlarm now supports months and date.
•SetControl documentation improved
•SetAlarmMask documentation improved

Added new sub to read the failure date info.

new MCP7940N.h for device.

;MCP7940_EnableOscillator(flag [true|false])
;MCP7940_BatteryBackup(flag [true|false])
;MCP7940_ClearPowerFail
;MCP7940_PowerFailStatus. This function return true or false, You can then read the date information for failures.
;MCP7940_ResetClock
;MCP7940_SetClock(hour, minute, second, DOW, date, month, year)
;MCP7940_SetTime(hour, minute, second)
;MCP7940_SetDate(DOW, date, month, year)
;MCP7940_ReadClock(hour, minute, second, a.m.|p.m., DOW, date, month, year)
;MCP7940_ReadTime(hour, minute, second, a.m.|p.m.)
;MCP7940_ReadDate(DOW, date, month, year)
;MCP7940_SetHourMode(12|24)
;MCP7940_ReadHourMode(12|24)
;MCP7940_SetSQW(rate)
;MCP7940_SetMFP(True | False OR On | Off)
;MCP7940_SetControl(value)
;MCP7940_ReadControl. A function return currrent value
;MCP7940_Write(address, value)
;MCP7940_Read(address, value)
;MCP7940_SetAlarm ( [0 | 1] , hour, minute, second, DOW, date )
;MCP7940_SetAlarmMask ( [0 | 1] , alarmAssertionMatch )
;MCP7940_ReadAlarm ( [0 | 1] , hour, minute, second, DOW, date ). Return values
;MCP7940_ClearAlarm ( [0 | 1] )
;MCP7940_AlarmStatus ( [0 | 1] )
;MCP7940_SetAlarmPolarity ( On | Off )
;MCP7940_EnableAlarm ( [0 | 1] )
;MCP7940_DisableAlarm ( [0 | 1] )

Increased number of RAM banks that compiler can handle

Revised demo - just to make it look better.

Revised demo - just to make it look better.