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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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4
right/src/usb_interfaces/usb_interface_system_keyboard.c
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@@ -3,9 +3,9 @@
uint32_t UsbSystemKeyboardActionCounter;
static usb_system_keyboard_report_t usbSystemKeyboardReports[2];
usb_system_keyboard_report_t* ActiveUsbSystemKeyboardReport = usbSystemKeyboardReports;
bool IsUsbSystemKeyboardReportSent = false;
volatile bool IsUsbSystemKeyboardReportSent = false;
usb_system_keyboard_report_t* getInactiveUsbSystemKeyboardReport()
static usb_system_keyboard_report_t* getInactiveUsbSystemKeyboardReport()
{
return ActiveUsbSystemKeyboardReport == usbSystemKeyboardReports ? usbSystemKeyboardReports+1 : usbSystemKeyboardReports;
}