7 commits

Author	SHA1	Message	Date
tmk	86f82dd02d	Add wait for charging capacitance of ADC S/H	2015-01-15 17:08:48 +09:00
tmk	2d7973fc3f	Fix: enable digital input for PF5	2015-01-15 17:08:48 +09:00
tmk	25aee431bd	Clean ADC code of battery_voltage()	2015-01-15 17:08:48 +09:00
tmk	825be9d121	Disable input buffer for ADC	2015-01-15 17:08:48 +09:00
tmk	2015027da3	Add FET swtich for battery ADC	2014-09-20 06:12:49 +09:00
tmk	3b81ffc16c	Monitor battery and alert low voltage	2014-09-04 17:08:23 +09:00
tmk	02939ab1d8	Add battery management	2014-09-04 05:30:00 +09:00