mirror of
https://github.com/DarkFlippers/unleashed-firmware
synced 2024-12-21 10:13:10 +00:00
265 lines
9 KiB
C
265 lines
9 KiB
C
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#include "furi-hal-version.h"
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#include "furi-hal-usb_i.h"
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#include <furi.h>
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#include "usb.h"
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#include "usb_hid.h"
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#include "hid_usage_desktop.h"
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#include "hid_usage_button.h"
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#define HID_RIN_EP 0x81
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#define HID_RIN_SZ 0x10
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struct HidIadDescriptor {
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struct usb_iad_descriptor hid_iad;
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struct usb_interface_descriptor hid;
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struct usb_hid_descriptor hid_desc;
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struct usb_endpoint_descriptor hid_ep;
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};
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struct HidConfigDescriptor {
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struct usb_config_descriptor config;
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struct HidIadDescriptor iad_0;
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} __attribute__((packed));
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/* HID mouse report desscriptor. 2 axis 5 buttons */
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static const uint8_t hid_report_desc[] = {
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HID_USAGE_PAGE(HID_PAGE_DESKTOP),
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HID_USAGE(HID_DESKTOP_MOUSE),
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HID_COLLECTION(HID_APPLICATION_COLLECTION),
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HID_USAGE(HID_DESKTOP_POINTER),
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HID_COLLECTION(HID_PHYSICAL_COLLECTION),
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HID_USAGE(HID_DESKTOP_X),
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HID_USAGE(HID_DESKTOP_Y),
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HID_LOGICAL_MINIMUM(-127),
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HID_LOGICAL_MAXIMUM(127),
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HID_REPORT_SIZE(8),
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HID_REPORT_COUNT(2),
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HID_INPUT(HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_RELATIVE ),
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HID_USAGE_PAGE(HID_PAGE_BUTTON),
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HID_USAGE_MINIMUM(1),
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HID_USAGE_MAXIMUM(5),
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HID_LOGICAL_MINIMUM(0),
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HID_LOGICAL_MAXIMUM(1),
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HID_REPORT_SIZE(1),
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HID_REPORT_COUNT(5),
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HID_INPUT(HID_IOF_DATA | HID_IOF_VARIABLE | HID_IOF_ABSOLUTE ),
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HID_REPORT_SIZE(1),
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HID_REPORT_COUNT(3),
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HID_INPUT(HID_IOF_CONSTANT),
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HID_END_COLLECTION,
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HID_END_COLLECTION,
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};
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static const struct usb_string_descriptor dev_manuf_desc = USB_STRING_DESC("Logitech");
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static const struct usb_string_descriptor dev_prod_desc = USB_STRING_DESC("USB Receiver");
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static const struct usb_string_descriptor dev_serial_desc = USB_STRING_DESC("1234567890");
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/* Device descriptor */
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static const struct usb_device_descriptor hid_device_desc = {
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.bLength = sizeof(struct usb_device_descriptor),
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.bDescriptorType = USB_DTYPE_DEVICE,
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.bcdUSB = VERSION_BCD(2,0,0),
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.bDeviceClass = USB_CLASS_IAD,
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.bDeviceSubClass = USB_SUBCLASS_IAD,
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.bDeviceProtocol = USB_PROTO_IAD,
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.bMaxPacketSize0 = USB_EP0_SIZE,
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.idVendor = 0x046d,
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.idProduct = 0xc529,
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.bcdDevice = VERSION_BCD(1,0,0),
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.iManufacturer = UsbDevManuf,
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.iProduct = UsbDevProduct,
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.iSerialNumber = UsbDevSerial,
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.bNumConfigurations = 1,
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};
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/* Device configuration descriptor */
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static const struct HidConfigDescriptor hid_cfg_desc = {
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.config = {
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.bLength = sizeof(struct usb_config_descriptor),
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.bDescriptorType = USB_DTYPE_CONFIGURATION,
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.wTotalLength = sizeof(struct HidConfigDescriptor),
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.bNumInterfaces = 1,
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.bConfigurationValue = 1,
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.iConfiguration = NO_DESCRIPTOR,
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.bmAttributes = USB_CFG_ATTR_RESERVED | USB_CFG_ATTR_SELFPOWERED,
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.bMaxPower = USB_CFG_POWER_MA(100),
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},
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.iad_0 = {
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.hid_iad = {
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.bLength = sizeof(struct usb_iad_descriptor),
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.bDescriptorType = USB_DTYPE_INTERFASEASSOC,
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.bFirstInterface = 0,
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.bInterfaceCount = 1,
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.bFunctionClass = USB_CLASS_PER_INTERFACE,
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.bFunctionSubClass = USB_SUBCLASS_NONE,
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.bFunctionProtocol = USB_PROTO_NONE,
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.iFunction = NO_DESCRIPTOR,
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},
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.hid = {
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.bLength = sizeof(struct usb_interface_descriptor),
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.bDescriptorType = USB_DTYPE_INTERFACE,
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.bInterfaceNumber = 0,
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.bAlternateSetting = 0,
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.bNumEndpoints = 1,
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.bInterfaceClass = USB_CLASS_HID,
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.bInterfaceSubClass = USB_HID_SUBCLASS_NONBOOT,
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.bInterfaceProtocol = USB_HID_PROTO_NONBOOT,
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.iInterface = NO_DESCRIPTOR,
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},
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.hid_desc = {
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.bLength = sizeof(struct usb_hid_descriptor),
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.bDescriptorType = USB_DTYPE_HID,
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.bcdHID = VERSION_BCD(1,0,0),
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.bCountryCode = USB_HID_COUNTRY_NONE,
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.bNumDescriptors = 1,
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.bDescriptorType0 = USB_DTYPE_HID_REPORT,
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.wDescriptorLength0 = sizeof(hid_report_desc),
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},
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.hid_ep = {
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.bLength = sizeof(struct usb_endpoint_descriptor),
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.bDescriptorType = USB_DTYPE_ENDPOINT,
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.bEndpointAddress = HID_RIN_EP,
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.bmAttributes = USB_EPTYPE_INTERRUPT,
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.wMaxPacketSize = HID_RIN_SZ,
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.bInterval = 50,
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},
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},
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};
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static struct {
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int8_t x;
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int8_t y;
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uint8_t buttons;
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} __attribute__((packed)) hid_report_data;
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static void hid_init(usbd_device* dev, struct UsbInterface* intf);
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static void hid_deinit(usbd_device *dev);
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static void hid_on_wakeup(usbd_device *dev);
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static void hid_on_suspend(usbd_device *dev);
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static usbd_respond hid_ep_config (usbd_device *dev, uint8_t cfg);
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static usbd_respond hid_control (usbd_device *dev, usbd_ctlreq *req, usbd_rqc_callback *callback);
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static usbd_device* usb_dev;
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struct UsbInterface usb_hid = {
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.init = hid_init,
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.deinit = hid_deinit,
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.wakeup = hid_on_wakeup,
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.suspend = hid_on_suspend,
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.dev_descr = (struct usb_device_descriptor*)&hid_device_desc,
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.str_manuf_descr = (void*)&dev_manuf_desc,
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.str_prod_descr = (void*)&dev_prod_desc,
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.str_serial_descr = (void*)&dev_serial_desc,
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.cfg_descr = (void*)&hid_cfg_desc,
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};
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static void hid_init(usbd_device* dev, struct UsbInterface* intf) {
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usb_dev = dev;
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usbd_reg_config(dev, hid_ep_config);
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usbd_reg_control(dev, hid_control);
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usbd_connect(dev, true);
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}
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static void hid_deinit(usbd_device *dev) {
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usbd_reg_config(dev, NULL);
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usbd_reg_control(dev, NULL);
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}
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static void hid_on_wakeup(usbd_device *dev) {
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}
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static void hid_on_suspend(usbd_device *dev) {
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}
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/* HID mouse IN endpoint callback */
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static void hid_mouse_move(usbd_device *dev, uint8_t event, uint8_t ep) {
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static uint8_t t = 0;
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if (t < 0x10) {
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hid_report_data.x = 1;
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hid_report_data.y = 0;
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} else if (t < 0x20) {
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hid_report_data.x = 1;
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hid_report_data.y = 1;
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} else if (t < 0x30) {
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hid_report_data.x = 0;
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hid_report_data.y = 1;
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} else if (t < 0x40) {
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hid_report_data.x = -1;
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hid_report_data.y = 1;
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} else if (t < 0x50) {
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hid_report_data.x = -1;
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hid_report_data.y = 0;
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} else if (t < 0x60) {
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hid_report_data.x = -1;
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hid_report_data.y = -1;
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} else if (t < 0x70) {
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hid_report_data.x = 0;
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hid_report_data.y = -1;
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} else {
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hid_report_data.x = 1;
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hid_report_data.y = -1;
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}
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t = (t + 1) & 0x7F;
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usbd_ep_write(dev, ep, &hid_report_data, sizeof(hid_report_data));
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}
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/* Configure endpoints */
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static usbd_respond hid_ep_config (usbd_device *dev, uint8_t cfg) {
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switch (cfg) {
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case 0:
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/* deconfiguring device */
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usbd_ep_deconfig(dev, HID_RIN_EP);
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usbd_reg_endpoint(dev, HID_RIN_EP, 0);
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return usbd_ack;
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case 1:
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/* configuring device */
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usbd_ep_config(dev, HID_RIN_EP, USB_EPTYPE_INTERRUPT, HID_RIN_SZ);
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usbd_reg_endpoint(dev, HID_RIN_EP, hid_mouse_move);
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usbd_ep_write(dev, HID_RIN_EP, 0, 0);
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return usbd_ack;
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default:
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return usbd_fail;
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}
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}
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/* Control requests handler */
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static usbd_respond hid_control (usbd_device *dev, usbd_ctlreq *req, usbd_rqc_callback *callback) {
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/* HID control requests */
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if (((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) == (USB_REQ_INTERFACE | USB_REQ_CLASS)
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&& req->wIndex == 0 ) {
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switch (req->bRequest) {
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case USB_HID_SETIDLE:
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return usbd_ack;
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case USB_HID_GETREPORT:
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dev->status.data_ptr = &hid_report_data;
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dev->status.data_count = sizeof(hid_report_data);
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return usbd_ack;
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default:
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return usbd_fail;
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}
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}
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if (((USB_REQ_RECIPIENT | USB_REQ_TYPE) & req->bmRequestType) == (USB_REQ_INTERFACE | USB_REQ_STANDARD)
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&& req->wIndex == 0
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&& req->bRequest == USB_STD_GET_DESCRIPTOR) {
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switch (req->wValue >> 8) {
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case USB_DTYPE_HID:
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dev->status.data_ptr = (uint8_t*)&(hid_cfg_desc.iad_0.hid_desc);
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dev->status.data_count = sizeof(hid_cfg_desc.iad_0.hid_desc);
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return usbd_ack;
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case USB_DTYPE_HID_REPORT:
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dev->status.data_ptr = (uint8_t*)hid_report_desc;
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dev->status.data_count = sizeof(hid_report_desc);
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return usbd_ack;
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default:
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return usbd_fail;
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}
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}
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return usbd_fail;
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}
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