/* * Copyright (c) 2024, sakumisu * * SPDX-License-Identifier: Apache-2.0 */ #include "usbd_core.h" #include "usbd_msc.h" #include "usbd_cdc_acm.h" #include "usbd_hid.h" /*!< endpoint address */ #define CDC_IN_EP 0x81 #define CDC_OUT_EP 0x02 #define CDC_INT_EP 0x83 #define MSC_IN_EP 0x84 #define MSC_OUT_EP 0x05 /*!< endpoint address */ #define HID_INT_EP 0x86 #define HID_INT_EP_SIZE 4 #define HID_INT_EP_INTERVAL 10 #define USBD_VID 0xFFFF #define USBD_PID 0xFFFF #define USBD_MAX_POWER 100 #define USBD_LANGID_STRING 1033 /*!< report descriptor size */ #define HID_MOUSE_REPORT_DESC_SIZE 74 #define USB_CONFIG_SIZE (9 + CDC_ACM_DESCRIPTOR_LEN + MSC_DESCRIPTOR_LEN + 25) #ifdef CONFIG_USB_HS #define CDC_MAX_MPS 512 #else #define CDC_MAX_MPS 64 #endif #ifdef CONFIG_USB_HS #define MSC_MAX_MPS 512 #else #define MSC_MAX_MPS 64 #endif const uint8_t cdc_acm_hid_msc_descriptor[] = { USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01), USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x04, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER), CDC_ACM_DESCRIPTOR_INIT(0x00, CDC_INT_EP, CDC_OUT_EP, CDC_IN_EP, CDC_MAX_MPS, 0x02), MSC_DESCRIPTOR_INIT(0x02, MSC_OUT_EP, MSC_IN_EP, MSC_MAX_MPS, 0x02), /************** Descriptor of Joystick Mouse interface ****************/ /* 09 */ 0x09, /* bLength: Interface Descriptor size */ USB_DESCRIPTOR_TYPE_INTERFACE, /* bDescriptorType: Interface descriptor type */ 0x03, /* bInterfaceNumber: Number of Interface */ 0x00, /* bAlternateSetting: Alternate setting */ 0x01, /* bNumEndpoints */ 0x03, /* bInterfaceClass: HID */ 0x01, /* bInterfaceSubClass : 1=BOOT, 0=no boot */ 0x02, /* nInterfaceProtocol : 0=none, 1=keyboard, 2=mouse */ 0, /* iInterface: Index of string descriptor */ /******************** Descriptor of Joystick Mouse HID ********************/ /* 18 */ 0x09, /* bLength: HID Descriptor size */ HID_DESCRIPTOR_TYPE_HID, /* bDescriptorType: HID */ 0x11, /* bcdHID: HID Class Spec release number */ 0x01, 0x00, /* bCountryCode: Hardware target country */ 0x01, /* bNumDescriptors: Number of HID class descriptors to follow */ 0x22, /* bDescriptorType */ HID_MOUSE_REPORT_DESC_SIZE, /* wItemLength: Total length of Report descriptor */ 0x00, /******************** Descriptor of Mouse endpoint ********************/ /* 27 */ 0x07, /* bLength: Endpoint Descriptor size */ USB_DESCRIPTOR_TYPE_ENDPOINT, /* bDescriptorType: */ HID_INT_EP, /* bEndpointAddress: Endpoint Address (IN) */ 0x03, /* bmAttributes: Interrupt endpoint */ HID_INT_EP_SIZE, /* wMaxPacketSize: 4 Byte max */ 0x00, HID_INT_EP_INTERVAL, /* bInterval: Polling Interval */ /////////////////////////////////////// /// string0 descriptor /////////////////////////////////////// USB_LANGID_INIT(USBD_LANGID_STRING), /////////////////////////////////////// /// string1 descriptor /////////////////////////////////////// 0x14, /* bLength */ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */ 'C', 0x00, /* wcChar0 */ 'h', 0x00, /* wcChar1 */ 'e', 0x00, /* wcChar2 */ 'r', 0x00, /* wcChar3 */ 'r', 0x00, /* wcChar4 */ 'y', 0x00, /* wcChar5 */ 'U', 0x00, /* wcChar6 */ 'S', 0x00, /* wcChar7 */ 'B', 0x00, /* wcChar8 */ /////////////////////////////////////// /// string2 descriptor /////////////////////////////////////// 0x26, /* bLength */ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */ 'C', 0x00, /* wcChar0 */ 'h', 0x00, /* wcChar1 */ 'e', 0x00, /* wcChar2 */ 'r', 0x00, /* wcChar3 */ 'r', 0x00, /* wcChar4 */ 'y', 0x00, /* wcChar5 */ 'U', 0x00, /* wcChar6 */ 'S', 0x00, /* wcChar7 */ 'B', 0x00, /* wcChar8 */ ' ', 0x00, /* wcChar9 */ 'C', 0x00, /* wcChar10 */ 'M', 0x00, /* wcChar11 */ 'H', 0x00, /* wcChar12 */ ' ', 0x00, /* wcChar13 */ 'D', 0x00, /* wcChar14 */ 'E', 0x00, /* wcChar15 */ 'M', 0x00, /* wcChar16 */ 'O', 0x00, /* wcChar17 */ /////////////////////////////////////// /// string3 descriptor /////////////////////////////////////// 0x16, /* bLength */ USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */ '2', 0x00, /* wcChar0 */ '0', 0x00, /* wcChar1 */ '2', 0x00, /* wcChar2 */ '2', 0x00, /* wcChar3 */ '1', 0x00, /* wcChar4 */ '2', 0x00, /* wcChar5 */ '3', 0x00, /* wcChar6 */ '4', 0x00, /* wcChar7 */ '5', 0x00, /* wcChar8 */ '6', 0x00, /* wcChar9 */ #ifdef CONFIG_USB_HS /////////////////////////////////////// /// device qualifier descriptor /////////////////////////////////////// 0x0a, USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER, 0x00, 0x02, 0x00, 0x00, 0x00, 0x40, 0x00, 0x00, #endif 0x00 }; /*!< hid mouse report descriptor */ static const uint8_t hid_mouse_report_desc[HID_MOUSE_REPORT_DESC_SIZE] = { 0x05, 0x01, // USAGE_PAGE (Generic Desktop) 0x09, 0x02, // USAGE (Mouse) 0xA1, 0x01, // COLLECTION (Application) 0x09, 0x01, // USAGE (Pointer) 0xA1, 0x00, // COLLECTION (Physical) 0x05, 0x09, // USAGE_PAGE (Button) 0x19, 0x01, // USAGE_MINIMUM (Button 1) 0x29, 0x03, // USAGE_MAXIMUM (Button 3) 0x15, 0x00, // LOGICAL_MINIMUM (0) 0x25, 0x01, // LOGICAL_MAXIMUM (1) 0x95, 0x03, // REPORT_COUNT (3) 0x75, 0x01, // REPORT_SIZE (1) 0x81, 0x02, // INPUT (Data,Var,Abs) 0x95, 0x01, // REPORT_COUNT (1) 0x75, 0x05, // REPORT_SIZE (5) 0x81, 0x01, // INPUT (Cnst,Var,Abs) 0x05, 0x01, // USAGE_PAGE (Generic Desktop) 0x09, 0x30, // USAGE (X) 0x09, 0x31, // USAGE (Y) 0x09, 0x38, 0x15, 0x81, // LOGICAL_MINIMUM (-127) 0x25, 0x7F, // LOGICAL_MAXIMUM (127) 0x75, 0x08, // REPORT_SIZE (8) 0x95, 0x03, // REPORT_COUNT (2) 0x81, 0x06, // INPUT (Data,Var,Rel) 0xC0, 0x09, 0x3c, 0x05, 0xff, 0x09, 0x01, 0x15, 0x00, 0x25, 0x01, 0x75, 0x01, 0x95, 0x02, 0xb1, 0x22, 0x75, 0x06, 0x95, 0x01, 0xb1, 0x01, 0xc0 // END_COLLECTION }; /*!< mouse report struct */ struct hid_mouse { uint8_t buttons; int8_t x; int8_t y; int8_t wheel; }; /*!< mouse report */ static struct hid_mouse mouse_cfg; #define HID_STATE_IDLE 0 #define HID_STATE_BUSY 1 /*!< hid state ! Data can be sent only when state is idle */ static volatile uint8_t hid_state = HID_STATE_IDLE; /* function ------------------------------------------------------------------*/ static void usbd_hid_int_callback(uint8_t busid, uint8_t ep, uint32_t nbytes) { hid_state = HID_STATE_IDLE; } /*!< endpoint call back */ static struct usbd_endpoint hid_in_ep = { .ep_cb = usbd_hid_int_callback, .ep_addr = HID_INT_EP }; USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t read_buffer[2048]; USB_NOCACHE_RAM_SECTION USB_MEM_ALIGNX uint8_t write_buffer[2048]; volatile bool ep_tx_busy_flag = false; static void usbd_event_handler(uint8_t busid, uint8_t event) { switch (event) { case USBD_EVENT_RESET: break; case USBD_EVENT_CONNECTED: break; case USBD_EVENT_DISCONNECTED: break; case USBD_EVENT_RESUME: break; case USBD_EVENT_SUSPEND: break; case USBD_EVENT_CONFIGURED: ep_tx_busy_flag = false; hid_state = HID_STATE_IDLE; /* setup first out ep read transfer */ usbd_ep_start_read(busid, CDC_OUT_EP, read_buffer, 2048); break; case USBD_EVENT_SET_REMOTE_WAKEUP: break; case USBD_EVENT_CLR_REMOTE_WAKEUP: break; default: break; } } void usbd_cdc_acm_bulk_out(uint8_t busid, uint8_t ep, uint32_t nbytes) { USB_LOG_RAW("actual out len:%d\r\n", nbytes); /* setup next out ep read transfer */ usbd_ep_start_read(busid, CDC_OUT_EP, read_buffer, 2048); } void usbd_cdc_acm_bulk_in(uint8_t busid, uint8_t ep, uint32_t nbytes) { USB_LOG_RAW("actual in len:%d\r\n", nbytes); if ((nbytes % usbd_get_ep_mps(busid, ep)) == 0 && nbytes) { /* send zlp */ usbd_ep_start_write(busid, CDC_IN_EP, NULL, 0); } else { ep_tx_busy_flag = false; } } /*!< endpoint call back */ struct usbd_endpoint cdc_out_ep = { .ep_addr = CDC_OUT_EP, .ep_cb = usbd_cdc_acm_bulk_out }; struct usbd_endpoint cdc_in_ep = { .ep_addr = CDC_IN_EP, .ep_cb = usbd_cdc_acm_bulk_in }; struct usbd_interface intf0; struct usbd_interface intf1; struct usbd_interface intf2; struct usbd_interface intf3; void cdc_acm_hid_msc_descriptor_init(uint8_t busid, uintptr_t reg_base) { usbd_desc_register(busid, cdc_acm_hid_msc_descriptor); usbd_add_interface(busid, usbd_cdc_acm_init_intf(busid, &intf0)); usbd_add_interface(busid, usbd_cdc_acm_init_intf(busid, &intf1)); usbd_add_endpoint(busid, &cdc_out_ep); usbd_add_endpoint(busid, &cdc_in_ep); usbd_add_interface(busid, usbd_msc_init_intf(busid, &intf2, MSC_OUT_EP, MSC_IN_EP)); usbd_add_interface(busid, usbd_hid_init_intf(busid, &intf3, hid_mouse_report_desc, HID_MOUSE_REPORT_DESC_SIZE)); usbd_add_endpoint(busid, &hid_in_ep); /*!< init mouse report data */ mouse_cfg.buttons = 0; mouse_cfg.wheel = 0; mouse_cfg.x = 0; mouse_cfg.y = 0; usbd_initialize(busid, reg_base, usbd_event_handler); } /** * @brief hid mouse test * @pre none * @param[in] none * @retval none */ void hid_mouse_test(uint8_t busid) { if(usb_device_is_configured(busid) == false) { return; } /*!< move mouse pointer */ mouse_cfg.x += 10; mouse_cfg.y = 0; hid_state = HID_STATE_BUSY; usbd_ep_start_write(busid, HID_INT_EP, (uint8_t *)&mouse_cfg, 4); while (hid_state == HID_STATE_BUSY) { } } volatile uint8_t dtr_enable = 0; void usbd_cdc_acm_set_dtr(uint8_t busid, uint8_t intf, bool dtr) { if (dtr) { dtr_enable = 1; } else { dtr_enable = 0; } } void cdc_acm_data_send_with_dtr_test(uint8_t busid) { if (dtr_enable) { memset(&write_buffer[10], 'a', 2038); ep_tx_busy_flag = true; usbd_ep_start_write(busid, CDC_IN_EP, write_buffer, 2048); while (ep_tx_busy_flag) { } } } #define BLOCK_SIZE 512 #define BLOCK_COUNT 10 typedef struct { uint8_t BlockSpace[BLOCK_SIZE]; } BLOCK_TYPE; BLOCK_TYPE mass_block[BLOCK_COUNT]; void usbd_msc_get_cap(uint8_t busid, uint8_t lun, uint32_t *block_num, uint32_t *block_size) { *block_num = 1000; //Pretend having so many buffer,not has actually. *block_size = BLOCK_SIZE; } int usbd_msc_sector_read(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length) { if (sector < 10) memcpy(buffer, mass_block[sector].BlockSpace, length); return 0; } int usbd_msc_sector_write(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length) { if (sector < 10) memcpy(mass_block[sector].BlockSpace, buffer, length); return 0; }