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Adding dynamic USB power support

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- Each scan module now has a current change callback which passes the available current as a parameter
- No longer attempts to use the max 500 mA immediately, starts with 100 mA then goes to 500 mA after enumeration
- If enumeration fails due to bMaxPower of 500 mA, then attempt again at 100 mA (might also be possible to go even lower to 20 mA in certain cases)
- Now working with the Apple Ipad (no over-power messages)
- Fixed Wake-up behaviour on Apple Ipad (and likely other iOS devices)
- More effecient set_feature/clear_feature handling (device handler)
- Initial power handling via Interconnect (still needs work to get it more dynamic)
This commit is contained in:
Jacob Alexander 2016-02-21 19:56:52 -08:00
parent 62ba0c558b
commit aaae9bc0f2
29 changed files with 503 additions and 48 deletions
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4
Output/pjrcUSB/arm/usb_desc.h
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@ -1,7 +1,7 @@
/* Teensyduino Core Library
* http://www.pjrc.com/teensy/
* Copyright (c) 2013 PJRC.COM, LLC.
* Modified by Jacob Alexander (2013-2015)
* Modified by Jacob Alexander (2013-2016)
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
@ -137,3 +137,5 @@ extern const uint8_t usb_endpoint_config_table[NUM_ENDPOINTS];
extern const usb_descriptor_list_t usb_descriptor_list[];
extern uint8_t *usb_bMaxPower;