mirror of
https://github.com/Keychron/qmk_firmware.git
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add hid_raw feature to VUSB (#8380)
* rewrite usbhid feature on vusb * Apply suggestions from code review Co-Authored-By: Ryan <fauxpark@gmail.com> * fix typo * fix typo again * Update tmk_core/protocol/vusb/vusb.c Co-Authored-By: Ryan <fauxpark@gmail.com> * clean up defines Co-authored-by: Ryan <fauxpark@gmail.com>
This commit is contained in:
Takuya Urakawa
GitHub
parent
b892a1429d
commit
89a675d57c
@ -108,6 +108,13 @@ int main(void) {
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keyboard_task();
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}
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vusb_transfer_keyboard();
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#ifdef RAW_ENABLE
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usbPoll();
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if (usbConfiguration && usbInterruptIsReady3()) {
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raw_hid_task();
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}
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#endif
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}
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}
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}
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@ -28,6 +28,14 @@ along with this program. If not, see <http://www.gnu.org/licenses/>.
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#include "vusb.h"
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#include <util/delay.h>
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#if defined(RAW_ENABLE)
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# include "raw_hid.h"
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#endif
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#if (defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)) && defined(RAW_ENABLE)
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# error "Enabling Mousekeys/Extrakeys and Raw HID at the same time is not currently supported on V-USB."
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#endif
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static uint8_t vusb_keyboard_leds = 0;
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static uint8_t vusb_idle_rate = 0;
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@ -71,6 +79,52 @@ void vusb_transfer_keyboard(void) {
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}
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}
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/*------------------------------------------------------------------*
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* RAW HID
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*------------------------------------------------------------------*/
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#ifdef RAW_ENABLE
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# define RAW_BUFFER_SIZE 32
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# define RAW_EPSIZE 8
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static uint8_t raw_output_buffer[RAW_BUFFER_SIZE];
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static uint8_t raw_output_received_bytes = 0;
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void raw_hid_send(uint8_t *data, uint8_t length) {
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if (length != RAW_BUFFER_SIZE) {
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return;
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}
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uint8_t *temp = data;
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for (uint8_t i = 0; i < 4; i++) {
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while (!usbInterruptIsReady3()) {
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usbPoll();
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}
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usbSetInterrupt3(temp, 8);
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temp += 8;
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}
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while (!usbInterruptIsReady3()) {
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usbPoll();
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}
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usbSetInterrupt3(0, 0);
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usbPoll();
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_delay_ms(1);
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}
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__attribute__((weak)) void raw_hid_receive(uint8_t *data, uint8_t length) {
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// Users should #include "raw_hid.h" in their own code
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// and implement this function there. Leave this as weak linkage
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// so users can opt to not handle data coming in.
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}
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void raw_hid_task(void) {
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if (raw_output_received_bytes == RAW_BUFFER_SIZE) {
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raw_hid_receive(raw_output_buffer, RAW_BUFFER_SIZE);
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raw_output_received_bytes = 0;
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}
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}
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#endif
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/*------------------------------------------------------------------*
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* Host driver
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*------------------------------------------------------------------*/
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@ -206,6 +260,27 @@ uchar usbFunctionWrite(uchar *data, uchar len) {
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return 1;
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}
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void usbFunctionWriteOut(uchar *data, uchar len) {
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#ifdef RAW_ENABLE
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// Data from host must be divided every 8bytes
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if (len != 8) {
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debug("RAW: invalid length");
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raw_output_received_bytes = 0;
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return;
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}
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if (raw_output_received_bytes + len > RAW_BUFFER_SIZE) {
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debug("RAW: buffer full");
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raw_output_received_bytes = 0;
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} else {
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for (uint8_t i = 0; i < 8; i++) {
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raw_output_buffer[raw_output_received_bytes + i] = data[i];
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}
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raw_output_received_bytes += len;
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}
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#endif
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}
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/*------------------------------------------------------------------*
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* Descriptors *
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*------------------------------------------------------------------*/
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@ -335,6 +410,29 @@ const PROGMEM uchar mouse_extra_hid_report[] = {
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};
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#endif
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#if defined(RAW_ENABLE)
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const PROGMEM uchar raw_hid_report[] = {
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0x06, 0x60, 0xFF, // Usage Page (Vendor Defined)
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0x09, 0x61, // Usage (Vendor Defined)
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0xA1, 0x01, // Collection (Application)
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// Data to host
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0x09, 0x62, // Usage (Vendor Defined)
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0x15, 0x00, // Logical Minimum (0)
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0x26, 0xFF, 0x00, // Logical Maximum (255)
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0x95, RAW_BUFFER_SIZE, // Report Count
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0x75, 0x08, // Report Size (8)
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0x81, 0x02, // Input (Data, Variable, Absolute)
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// Data from host
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0x09, 0x63, // Usage (Vendor Defined)
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0x15, 0x00, // Logical Minimum (0)
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0x26, 0xFF, 0x00, // Logical Maximum (255)
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0x95, RAW_BUFFER_SIZE, // Report Count
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0x75, 0x08, // Report Size (8)
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0x91, 0x02, // Output (Data, Variable, Absolute)
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0xC0, // End Collection
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};
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#endif
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#ifndef SERIAL_NUMBER
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# define SERIAL_NUMBER 0
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#endif
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@ -416,7 +514,7 @@ const PROGMEM usbConfigurationDescriptor_t usbConfigurationDescriptor = {
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.bDescriptorType = USBDESCR_CONFIG
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},
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.wTotalLength = sizeof(usbConfigurationDescriptor_t),
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# if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE)
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# if defined(MOUSE_ENABLE) || defined(EXTRAKEY_ENABLE) || defined(RAW_ENABLE)
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.bNumInterfaces = 2,
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# else
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.bNumInterfaces = 1,
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@ -511,6 +609,53 @@ const PROGMEM usbConfigurationDescriptor_t usbConfigurationDescriptor = {
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.bInterval = USB_POLLING_INTERVAL_MS
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}
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# endif
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# elif defined(RAW_ENABLE)
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.rawInterface = {
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.header = {
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.bLength = sizeof(usbInterfaceDescriptor_t),
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.bDescriptorType = USBDESCR_INTERFACE
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},
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.bInterfaceNumber = 1,
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.bAlternateSetting = 0x00,
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.bNumEndpoints = 2,
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.bInterfaceClass = 0x03,
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.bInterfaceSubClass = 0x00,
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.bInterfaceProtocol = 0x00,
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.iInterface = 0x00
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},
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.rawHID = {
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.header = {
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.bLength = sizeof(usbHIDDescriptor_t),
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.bDescriptorType = USBDESCR_HID
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},
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.bcdHID = 0x0101,
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.bCountryCode = 0x00,
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.bNumDescriptors = 2,
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.bDescriptorType = USBDESCR_HID_REPORT,
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.wDescriptorLength = sizeof(raw_hid_report)
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},
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# if USB_CFG_HAVE_INTRIN_ENDPOINT3
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.rawINEndpoint = {
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.header = {
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.bLength = sizeof(usbEndpointDescriptor_t),
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.bDescriptorType = USBDESCR_ENDPOINT
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},
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.bEndpointAddress = (USBRQ_DIR_DEVICE_TO_HOST | USB_CFG_EP3_NUMBER),
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.bmAttributes = 0x03,
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.wMaxPacketSize = RAW_EPSIZE,
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.bInterval = USB_POLLING_INTERVAL_MS
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},
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.rawOUTEndpoint = {
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.header = {
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.bLength = sizeof(usbEndpointDescriptor_t),
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.bDescriptorType = USBDESCR_ENDPOINT
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},
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.bEndpointAddress = (USBRQ_DIR_HOST_TO_DEVICE | USB_CFG_EP3_NUMBER),
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.bmAttributes = 0x03,
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.wMaxPacketSize = RAW_EPSIZE,
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.bInterval = USB_POLLING_INTERVAL_MS
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}
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# endif
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# endif
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};
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#endif
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@ -572,6 +717,11 @@ USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq) {
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usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor.mouseExtraHID;
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len = sizeof(usbHIDDescriptor_t);
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break;
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#elif defined(RAW_ENABLE)
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case 1:
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usbMsgPtr = (unsigned char *)&usbConfigurationDescriptor.rawHID;
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len = sizeof(usbHIDDescriptor_t);
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break;
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#endif
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}
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break;
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@ -587,6 +737,11 @@ USB_PUBLIC usbMsgLen_t usbFunctionDescriptor(struct usbRequest *rq) {
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usbMsgPtr = (unsigned char *)mouse_extra_hid_report;
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len = sizeof(mouse_extra_hid_report);
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break;
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#elif defined(RAW_ENABLE)
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case 1:
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usbMsgPtr = (unsigned char *)raw_hid_report;
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len = sizeof(raw_hid_report);
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break;
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#endif
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}
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break;
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@ -97,6 +97,13 @@ typedef struct usbConfigurationDescriptor {
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# ifdef USB_CFG_HAVE_INTRIN_ENDPOINT3
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usbEndpointDescriptor_t mouseExtraINEndpoint;
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# endif
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#elif defined(RAW_ENABLE)
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usbInterfaceDescriptor_t rawInterface;
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usbHIDDescriptor_t rawHID;
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# ifdef USB_CFG_HAVE_INTRIN_ENDPOINT3
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usbEndpointDescriptor_t rawINEndpoint;
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usbEndpointDescriptor_t rawOUTEndpoint;
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# endif
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#endif
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} __attribute__((packed)) usbConfigurationDescriptor_t;
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@ -104,3 +111,7 @@ typedef struct usbConfigurationDescriptor {
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host_driver_t *vusb_driver(void);
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void vusb_transfer_keyboard(void);
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#if defined(RAW_ENABLE)
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void raw_hid_task(void);
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#endif
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