From 6e867f7d9bc279a118fc774ab1ee05e99b4d8b7c Mon Sep 17 00:00:00 2001 From: Dean Camera Date: Mon, 23 Nov 2009 05:45:59 +0000 Subject: Removed code to zero reports between two keyboard reports with differing number of pressed keys, as this relied on non-standard OS behaviour. --- Demos/Device/LowLevel/Keyboard/Keyboard.c | 13 ++----------- 1 file changed, 2 insertions(+), 11 deletions(-) (limited to 'Demos/Device/LowLevel/Keyboard/Keyboard.c') diff --git a/Demos/Device/LowLevel/Keyboard/Keyboard.c b/Demos/Device/LowLevel/Keyboard/Keyboard.c index 33a6d840a..4e7921f70 100644 --- a/Demos/Device/LowLevel/Keyboard/Keyboard.c +++ b/Demos/Device/LowLevel/Keyboard/Keyboard.c @@ -258,11 +258,11 @@ void EVENT_USB_Device_StartOfFrame(void) */ void CreateKeyboardReport(USB_KeyboardReport_Data_t* ReportData) { - static uint8_t PrevUsedKeyCodes; - uint8_t UsedKeyCodes = 0; uint8_t JoyStatus_LCL = Joystick_GetStatus(); uint8_t ButtonStatus_LCL = Buttons_GetStatus(); + uint8_t UsedKeyCodes = 0; + /* Clear the report contents */ memset(ReportData, 0, sizeof(USB_KeyboardReport_Data_t)); @@ -281,15 +281,6 @@ void CreateKeyboardReport(USB_KeyboardReport_Data_t* ReportData) if (ButtonStatus_LCL & BUTTONS_BUTTON1) ReportData->KeyCode[UsedKeyCodes++] = 0x09; // F - - /* The host will ignore the device if we add a new keycode to the report while another keycode is currently - * being sent (i.e. the user has pressed another key while a key is already being pressed) - we need to intersperse - * the two reports with a zeroed report to force the host to accept the additional keys */ - if (UsedKeyCodes != PrevUsedKeyCodes) - { - memset(ReportData, 0, sizeof(USB_KeyboardReport_Data_t)); - PrevUsedKeyCodes = UsedKeyCodes; - } } /** Processes a received LED report, and updates the board LEDs states to match. -- cgit v1.2.3