Methods and systems for an electronic device operable with an attachment that prevent charging of a primary energy storage device from power delivered by the attachment based upon whether the attachment is operating a function

1. A method, comprising:

detecting, with one or more processors of an electronic device operating with an attachment having one or more circuit components defining a predefined functionality, whether the one or more circuit components are performing a function of the predefined functionality on the electronic device; and

when the one or more circuit components are performing the function on the electronic device, causing, by the one or more processors:

an auxiliary energy storage device carried by the attachment to deliver power to the electronic device by sending, by the one or more processors, a software command to a control circuit carried by the attachment and operable with the auxiliary energy storage device;

a power management control circuit carried by the electronic device to power the one or more processors with the power delivered from the auxiliary energy storage device;

the power management control circuit to preclude charging of a primary energy storage device carried by the electronic device with the power delivered from the auxiliary energy storage device; and

converting, with the power management control circuit, a first voltage from the auxiliary energy storage device to a second voltage prior to powering of the one or more processors.

2. The method of claim 1 , further comprising terminating, by the one or more processors, delivery of the power to the electronic device from the auxiliary energy storage device.

3. The method of claim 2 , the terminating occurring when the one or more circuit components cease performing the function on the electronic device.

4. The method of claim 1 , further comprising, when the one or more circuit components are not performing the function on the electronic device, preventing delivery of the power from the auxiliary energy storage device to the electronic device.

5. The method of claim 1 , the software command causing the control circuit carried by the attachment to open or close a switch.

6. The method of claim 1 , the attachment comprising one or more of a camera, a game pad, loudspeakers, or a projector.

7. The method of claim 1 , further comprising, when the one or more circuit components are not performing the function, also causing, by the one or more processors:

detection of an energy storage level of the primary energy storage device falling below a predefined energy storage threshold;

the auxiliary energy storage device carried by the attachment to deliver the power to the electronic device; and

allowance of charging of the primary energy storage device with the power from the auxiliary energy storage device.

8. The method of claim 1 , wherein the function comprises one of a camera function, a gaming function, a music output function, or a video presentation function.

9. An electronic device, comprising:

one or more processors;

a power management control circuit;

a primary energy storage device; and

a connector, receiving signals corresponding to a predefined function from an attachment having an auxiliary energy storage device;

the one or more processors determining whether the attachment is operating the predefined function at the electronic device, and when the attachment is operating the predefined function at the electronic device:

the one or more processors deliver command signals to the connector causing delivery of power to the connector from the auxiliary energy storage device;

the power management control circuit powers the one or more processors with the power delivered from the auxiliary energy storage device to the connector; and

the power management control circuit prevents charging of the primary energy storage device with the power delivered to the connector from the auxiliary energy storage device; and

when the attachment is not operating the predefined function, also causing, by the one or more processors:

detection of an energy storage level of the primary energy storage device falling below a predefined energy storage threshold; and

allowance of charging of the primary energy storage device with the power from the auxiliary energy storage device when the energy storage level of the primary energy storage device is below the predetermined energy storage threshold.

10. The electronic device of claim 9 , the one or more processors:

detecting the attachment terminating operation of the predefined function at the electronic device; and

ceasing the powering of the one or more processors with the power delivered from the auxiliary energy storage device to the connector.

11. The electronic device of claim 10 , the one or more processors delivering other command signals to the connector causing cessation of delivery of the power to the connector from the auxiliary energy storage device upon detecting the predefined function terminating at the electronic device.

12. The electronic device of claim 9 , further comprising the attachment, coupled to the connector.

13. The electronic device of claim 12 , the connector comprising a Universal Serial Bus (USB) type connector.

14. An electronic device, comprising:

one or more processors;

a power management control circuit;

a primary energy storage device; and

a connector, receiving signals corresponding to a predefined function from an attachment having an auxiliary energy storage device;

the one or more processors determining whether the attachment is operating the predefined function at the electronic device, and when the attachment is operating the predefined function at the electronic device:

the power management control circuit powers the one or more processors with power delivered from the auxiliary energy storage device to the connector; and

the power management control circuit prevents charging of the primary energy storage device with the power delivered to the connector from the auxiliary energy storage device;

the one or more processors also:

detecting the attachment terminating operation of the predefined function at the electronic device; and

ceasing powering of the one or more processors with the power delivered from the auxiliary energy storage device to the connector by delivering other command signals to the connector causing cessation of delivery of the power to the connector from the auxiliary energy storage device upon detecting the predefined function terminating at the electronic device.

15. The electronic device of claim 14 , the predefined function comprising one or more of an image capture function, a gaming function, a music output function, or a video presentation function.

16. The electronic device of claim 14 , the connector comprising a Universal Serial Bus (USB) type connector.

17. The electronic device of claim 14 , further comprising a display, the one or more processors presenting an energy capacity indicator on the display, wherein the energy capacity indicator remains unaffected while the power management control circuit powers the one or more processors with the power delivered from the auxiliary energy storage device to the connector.

18. The electronic device of claim 17 , the energy capacity indicator comprising a graphical representation of energy stored in the primary energy storage device.

19. The electronic device of claim 14 , further comprising an identification module detecting an attachment type of the attachment.

20. The electronic device of claim 14 , further comprising the power management control circuit regulating energy delivery to the primary energy storage device.