first commit for chrg

2025-08-16 22:58:22 +08:00
commit 52a3ed5862
2306 changed files with 1021208 additions and 0 deletions
@@ -0,0 +1,126 @@
+/*
+ * Copyright (c) 2022, sakumisu
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ */
+#include "usbd_core.h"
+#include "usbd_hid.h"
+
+static int hid_class_interface_request_handler(uint8_t busid, struct usb_setup_packet *setup, uint8_t **data, uint32_t *len)
+{
+    USB_LOG_DBG("HID Class request: "
+                "bRequest 0x%02x\r\n",
+                setup->bRequest);
+
+    uint8_t intf_num = LO_BYTE(setup->wIndex);
+
+    switch (setup->bRequest) {
+        case HID_REQUEST_GET_REPORT:
+            /* report id ,report type */
+            usbd_hid_get_report(busid, intf_num, LO_BYTE(setup->wValue), HI_BYTE(setup->wValue), data, len);
+            break;
+        case HID_REQUEST_GET_IDLE:
+            (*data)[0] = usbd_hid_get_idle(busid, intf_num, LO_BYTE(setup->wValue));
+            *len = 1;
+            break;
+        case HID_REQUEST_GET_PROTOCOL:
+            (*data)[0] = usbd_hid_get_protocol(busid, intf_num);
+            *len = 1;
+            break;
+        case HID_REQUEST_SET_REPORT:
+            /* report id ,report type, report, report len */
+            usbd_hid_set_report(busid, intf_num, LO_BYTE(setup->wValue), HI_BYTE(setup->wValue), *data, *len);
+            break;
+        case HID_REQUEST_SET_IDLE:
+            /* report id, duration */
+            usbd_hid_set_idle(busid, intf_num, LO_BYTE(setup->wValue), HI_BYTE(setup->wValue));
+            break;
+        case HID_REQUEST_SET_PROTOCOL:
+            /* protocol */
+            usbd_hid_set_protocol(busid, intf_num, LO_BYTE(setup->wValue));
+            break;
+
+        default:
+            USB_LOG_WRN("Unhandled HID Class bRequest 0x%02x\r\n", setup->bRequest);
+            return -1;
+    }
+
+    return 0;
+}
+
+struct usbd_interface *usbd_hid_init_intf(uint8_t busid, struct usbd_interface *intf, const uint8_t *desc, uint32_t desc_len)
+{
+    (void)busid;
+
+    intf->class_interface_handler = hid_class_interface_request_handler;
+    intf->class_endpoint_handler = NULL;
+    intf->vendor_handler = NULL;
+    intf->notify_handler = NULL;
+
+    intf->hid_report_descriptor = desc;
+    intf->hid_report_descriptor_len = desc_len;
+    return intf;
+}
+
+/*
+ * Appendix G: HID Request Support Requirements
+ *
+ * The following table enumerates the requests that need to be supported by various types of HID class devices.
+ * Device type     GetReport   SetReport   GetIdle     SetIdle     GetProtocol SetProtocol
+ * ------------------------------------------------------------------------------------------
+ * Boot Mouse      Required    Optional    Optional    Optional    Required    Required
+ * Non-Boot Mouse  Required    Optional    Optional    Optional    Optional    Optional
+ * Boot Keyboard   Required    Optional    Required    Required    Required    Required
+ * Non-Boot Keybrd Required    Optional    Required    Required    Optional    Optional
+ * Other Device    Required    Optional    Optional    Optional    Optional    Optional
+ */
+
+__WEAK void usbd_hid_get_report(uint8_t busid, uint8_t intf, uint8_t report_id, uint8_t report_type, uint8_t **data, uint32_t *len)
+{
+    (void)busid;
+    (void)intf;
+    (void)report_id;
+    (void)report_type;
+    (*data[0]) = 0;
+    *len = 1;
+}
+
+__WEAK uint8_t usbd_hid_get_idle(uint8_t busid, uint8_t intf, uint8_t report_id)
+{
+    (void)busid;
+    (void)intf;
+    (void)report_id;
+    return 0;
+}
+
+__WEAK uint8_t usbd_hid_get_protocol(uint8_t busid, uint8_t intf)
+{
+    (void)busid;
+    (void)intf;
+    return 0;
+}
+
+__WEAK void usbd_hid_set_report(uint8_t busid, uint8_t intf, uint8_t report_id, uint8_t report_type, uint8_t *report, uint32_t report_len)
+{
+    (void)busid;
+    (void)intf;
+    (void)report_id;
+    (void)report_type;
+    (void)report;
+    (void)report_len;
+}
+
+__WEAK void usbd_hid_set_idle(uint8_t busid, uint8_t intf, uint8_t report_id, uint8_t duration)
+{
+    (void)busid;
+    (void)intf;
+    (void)report_id;
+    (void)duration;
+}
+
+__WEAK void usbd_hid_set_protocol(uint8_t busid, uint8_t intf, uint8_t protocol)
+{
+    (void)busid;
+    (void)intf;
+    (void)protocol;
+}