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Just compare the active report with the inactive report stored in each interface driver

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This commit is contained in:
Kristian Sloth Lauszus
2018-06-22 17:55:21 +02:00
parent fe06ed0a4b
commit 5e97ad1b3c
9 changed files with 46 additions and 50 deletions
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17
right/src/usb_interfaces/usb_interface_mouse.c
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@@ -4,14 +4,14 @@ uint32_t UsbMouseActionCounter;
static usb_mouse_report_t usbMouseReports[2];
usb_mouse_report_t* ActiveUsbMouseReport = usbMouseReports;
static usb_mouse_report_t* getInactiveUsbMouseReport(void)
usb_mouse_report_t* GetInactiveUsbMouseReport(void)
{
return ActiveUsbMouseReport == usbMouseReports ? usbMouseReports+1 : usbMouseReports;
}
void SwitchActiveUsbMouseReport(void)
static void SwitchActiveUsbMouseReport(void)
{
ActiveUsbMouseReport = getInactiveUsbMouseReport();
ActiveUsbMouseReport = GetInactiveUsbMouseReport();
}
void ResetActiveUsbMouseReport(void)
@@ -22,9 +22,12 @@ void ResetActiveUsbMouseReport(void)
usb_status_t usbMouseAction(void)
{
UsbMouseActionCounter++;
return USB_DeviceHidSend(
usb_status_t usb_status = USB_DeviceHidSend(
UsbCompositeDevice.mouseHandle, USB_MOUSE_ENDPOINT_INDEX,
(uint8_t*)getInactiveUsbMouseReport(), USB_MOUSE_REPORT_LENGTH);
(uint8_t*)ActiveUsbMouseReport, USB_MOUSE_REPORT_LENGTH);
if (usb_status == kStatus_USB_Success)
SwitchActiveUsbMouseReport(); // Switch the active report if the data was sent successfully
return usb_status;
}
usb_status_t UsbMouseCallback(class_handle_t handle, uint32_t event, void *param)
@@ -35,8 +38,8 @@ usb_status_t UsbMouseCallback(class_handle_t handle, uint32_t event, void *param
switch (event) {
case kUSB_DeviceHidEventSendResponse:
if (UsbCompositeDevice.attach) {
// Send out the report continuously if the report is not zeros
usb_mouse_report_t *report = getInactiveUsbMouseReport();
// Send out the last report continuously if the report was not zeros
usb_mouse_report_t *report = GetInactiveUsbMouseReport();
uint8_t zeroBuf[sizeof(usb_mouse_report_t)] = { 0 };
bool reportChanged = memcmp(report, zeroBuf, sizeof(usb_mouse_report_t)) != 0;
if (usbMouseActionActive || reportChanged) {