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Various fixes and improvements (#96)

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* Global variables shared between an interrupt and the main code should be volatile

See: https://www.embedded.com/electronics-blogs/beginner-s-corner/4023801/Introduction-to-the-Volatile-Keyword

* There is no reason to change the active report if it has not changed

* Declare local functions and variables static

This both helps the compiler and the programmer
This commit is contained in:
Kristian Sloth Lauszus
2018-03-11 19:19:15 +01:00
committed by László Monda
parent 1742437f8b
commit e12e219b4e
17 changed files with 69 additions and 52 deletions
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2
right/src/usb_interfaces/usb_interface_media_keyboard.h
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@@ -28,7 +28,7 @@
// Variables:
extern bool IsUsbMediaKeyboardReportSent;
extern volatile bool IsUsbMediaKeyboardReportSent;
extern uint32_t UsbMediaKeyboardActionCounter;
extern usb_media_keyboard_report_t* ActiveUsbMediaKeyboardReport;