/* * File : hid.c * COPYRIGHT (C) 2006 - 2021, RT-Thread Development Team * * SPDX-License-Identifier: Apache-2.0 * * Change Logs: * Date Author Notes * 2012-10-02 Yi Qiu first version */ #include <rtthread.h> #include <rtdevice.h> #include <rtservice.h> #ifdef RT_USING_USB_DEVICE #define USB_DEVICE_CONTROLLER_NAME "usbd" #ifdef RT_USB_DEVICE_COMPOSITE const static char* ustring[] = { "Language", "RT-Thread Team.", "RTT Composite Device", "320219198301", "Configuration", "Interface", USB_STRING_OS }; static struct udevice_descriptor compsit_desc = { USB_DESC_LENGTH_DEVICE, //bLength; USB_DESC_TYPE_DEVICE, //type; USB_BCD_VERSION, //bcdUSB; USB_CLASS_MISC, //bDeviceClass; 0x02, //bDeviceSubClass; 0x01, //bDeviceProtocol; 0x40, //bMaxPacketSize0; _VENDOR_ID, //idVendor; _PRODUCT_ID, //idProduct; USB_BCD_DEVICE, //bcdDevice; USB_STRING_MANU_INDEX, //iManufacturer; USB_STRING_PRODUCT_INDEX, //iProduct; USB_STRING_SERIAL_INDEX, //iSerialNumber; USB_DYNAMIC, //bNumConfigurations; }; //FS and HS needed static struct usb_qualifier_descriptor dev_qualifier = { sizeof(dev_qualifier), //bLength USB_DESC_TYPE_DEVICEQUALIFIER, //bDescriptorType 0x0200, //bcdUSB USB_CLASS_MISC, //bDeviceClass 0x02, //bDeviceSubClass 0x01, //bDeviceProtocol 64, //bMaxPacketSize0 0x01, //bNumConfigurations 0, }; #endif struct usb_os_comp_id_descriptor usb_comp_id_desc = { //head section { USB_DYNAMIC, 0x0100, 0x04, USB_DYNAMIC, {0x00,0x00,0x00,0x00,0x00,0x00,0x00}, }, }; static rt_list_t class_list; int rt_usbd_class_list_init(void) { rt_list_init(&class_list); return 0; } INIT_BOARD_EXPORT(rt_usbd_class_list_init); rt_err_t rt_usbd_class_register(udclass_t udclass) { #ifndef RT_USB_DEVICE_COMPOSITE if(!rt_list_isempty(&class_list)) { rt_kprintf("[D/USBD] If you want to use usb composite device please define RT_USB_DEVICE_COMPOSITE\n"); return -RT_ERROR; } #endif rt_list_insert_before(&class_list,&udclass->list); return RT_EOK; } rt_err_t rt_usb_device_init(void) { rt_device_t udc; udevice_t udevice; uconfig_t cfg; ufunction_t func; rt_list_t *i; udclass_t udclass; if(rt_list_isempty(&class_list)) { rt_kprintf("[D/USBD] No class register on usb device\n"); return -RT_ERROR; } /* create and startup usb device thread */ rt_usbd_core_init(); /* create a device object */ udevice = rt_usbd_device_new(); udc = rt_device_find(USB_DEVICE_CONTROLLER_NAME); if(udc == RT_NULL) { rt_kprintf("can't find usb device controller %s\n", USB_DEVICE_CONTROLLER_NAME); return -RT_ERROR; } /* set usb controller driver to the device */ rt_usbd_device_set_controller(udevice, (udcd_t)udc); /* create a configuration object */ cfg = rt_usbd_config_new(); rt_usbd_device_set_os_comp_id_desc(udevice, &usb_comp_id_desc); for(i = class_list.next; i!= &class_list; i = i->next) { /* get a class creater */ udclass = rt_list_entry(i, struct udclass, list); /* create a function object */ func = udclass->rt_usbd_function_create(udevice); /* add the function to the configuration */ rt_usbd_config_add_function(cfg, func); } /* set device descriptor to the device */ #ifdef RT_USB_DEVICE_COMPOSITE rt_usbd_device_set_descriptor(udevice, &compsit_desc); rt_usbd_device_set_string(udevice, ustring); if(udevice->dcd->device_is_hs) { rt_usbd_device_set_qualifier(udevice, &dev_qualifier); } #else rt_usbd_device_set_descriptor(udevice, func->dev_desc); #endif /* add the configuration to the device */ rt_usbd_device_add_config(udevice, cfg); /* initialize usb device controller */ rt_device_init(udc); /* set default configuration to 1 */ rt_usbd_set_config(udevice, 1); return RT_EOK; } #endif