285 lines
8.4 KiB
C
285 lines
8.4 KiB
C
/*
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* Copyright (c) 2024, sakumisu
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include "usbd_core.h"
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#include "usbd_msc.h"
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#define MSC_IN_EP 0x81
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#define MSC_OUT_EP 0x02
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#define USBD_VID 0xFFFF
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#define USBD_PID 0xFFFF
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#define USBD_MAX_POWER 100
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#define USBD_LANGID_STRING 1033
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#define USB_CONFIG_SIZE (9 + MSC_DESCRIPTOR_LEN)
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#ifdef CONFIG_USB_HS
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#define MSC_MAX_MPS 512
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#else
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#define MSC_MAX_MPS 64
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#endif
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#ifdef CONFIG_USBDEV_ADVANCE_DESC
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static const uint8_t device_descriptor[] = {
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USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01)
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};
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static const uint8_t config_descriptor[] = {
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USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
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MSC_DESCRIPTOR_INIT(0x00, MSC_OUT_EP, MSC_IN_EP, MSC_MAX_MPS, 0x02)
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};
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static const uint8_t device_quality_descriptor[] = {
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///////////////////////////////////////
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/// device qualifier descriptor
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///////////////////////////////////////
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0x0a,
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USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
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0x00,
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0x02,
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0x00,
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0x00,
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0x00,
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0x40,
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0x00,
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0x00,
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};
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static const char *string_descriptors[] = {
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(const char[]){ 0x09, 0x04 }, /* Langid */
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"CherryUSB", /* Manufacturer */
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"CherryUSB MSC DEMO", /* Product */
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"2022123456", /* Serial Number */
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};
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static const uint8_t *device_descriptor_callback(uint8_t speed)
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{
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return device_descriptor;
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}
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static const uint8_t *config_descriptor_callback(uint8_t speed)
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{
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return config_descriptor;
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}
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static const uint8_t *device_quality_descriptor_callback(uint8_t speed)
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{
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return device_quality_descriptor;
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}
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static const char *string_descriptor_callback(uint8_t speed, uint8_t index)
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{
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if (index > 3) {
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return NULL;
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}
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return string_descriptors[index];
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}
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const struct usb_descriptor msc_ram_descriptor = {
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.device_descriptor_callback = device_descriptor_callback,
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.config_descriptor_callback = config_descriptor_callback,
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.device_quality_descriptor_callback = device_quality_descriptor_callback,
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.string_descriptor_callback = string_descriptor_callback
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};
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#else
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const uint8_t msc_ram_descriptor[] = {
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USB_DEVICE_DESCRIPTOR_INIT(USB_2_0, 0x00, 0x00, 0x00, USBD_VID, USBD_PID, 0x0200, 0x01),
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USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE, 0x01, 0x01, USB_CONFIG_BUS_POWERED, USBD_MAX_POWER),
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MSC_DESCRIPTOR_INIT(0x00, MSC_OUT_EP, MSC_IN_EP, MSC_MAX_MPS, 0x02),
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///////////////////////////////////////
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/// string0 descriptor
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///////////////////////////////////////
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USB_LANGID_INIT(USBD_LANGID_STRING),
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///////////////////////////////////////
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/// string1 descriptor
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///////////////////////////////////////
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0x14, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'C', 0x00, /* wcChar0 */
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'h', 0x00, /* wcChar1 */
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'e', 0x00, /* wcChar2 */
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'r', 0x00, /* wcChar3 */
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'r', 0x00, /* wcChar4 */
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'y', 0x00, /* wcChar5 */
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'U', 0x00, /* wcChar6 */
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'S', 0x00, /* wcChar7 */
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'B', 0x00, /* wcChar8 */
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///////////////////////////////////////
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/// string2 descriptor
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///////////////////////////////////////
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0x26, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'C', 0x00, /* wcChar0 */
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'h', 0x00, /* wcChar1 */
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'e', 0x00, /* wcChar2 */
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'r', 0x00, /* wcChar3 */
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'r', 0x00, /* wcChar4 */
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'y', 0x00, /* wcChar5 */
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'U', 0x00, /* wcChar6 */
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'S', 0x00, /* wcChar7 */
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'B', 0x00, /* wcChar8 */
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' ', 0x00, /* wcChar9 */
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'M', 0x00, /* wcChar10 */
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'S', 0x00, /* wcChar11 */
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'C', 0x00, /* wcChar12 */
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' ', 0x00, /* wcChar13 */
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'D', 0x00, /* wcChar14 */
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'E', 0x00, /* wcChar15 */
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'M', 0x00, /* wcChar16 */
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'O', 0x00, /* wcChar17 */
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///////////////////////////////////////
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/// string3 descriptor
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///////////////////////////////////////
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0x16, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'2', 0x00, /* wcChar0 */
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'0', 0x00, /* wcChar1 */
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'2', 0x00, /* wcChar2 */
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'2', 0x00, /* wcChar3 */
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'1', 0x00, /* wcChar4 */
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'2', 0x00, /* wcChar5 */
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'3', 0x00, /* wcChar6 */
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'4', 0x00, /* wcChar7 */
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'5', 0x00, /* wcChar8 */
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'6', 0x00, /* wcChar9 */
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#ifdef CONFIG_USB_HS
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///////////////////////////////////////
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/// device qualifier descriptor
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///////////////////////////////////////
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0x0a,
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USB_DESCRIPTOR_TYPE_DEVICE_QUALIFIER,
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0x00,
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0x02,
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0x00,
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0x00,
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0x00,
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0x40,
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0x00,
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0x00,
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#endif
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0x00
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};
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#endif
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static void usbd_event_handler(uint8_t busid, uint8_t event)
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{
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switch (event) {
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case USBD_EVENT_RESET:
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break;
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case USBD_EVENT_CONNECTED:
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break;
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case USBD_EVENT_DISCONNECTED:
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break;
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case USBD_EVENT_RESUME:
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break;
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case USBD_EVENT_SUSPEND:
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break;
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case USBD_EVENT_CONFIGURED:
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break;
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case USBD_EVENT_SET_REMOTE_WAKEUP:
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break;
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case USBD_EVENT_CLR_REMOTE_WAKEUP:
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break;
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default:
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break;
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}
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}
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#if !defined(RT_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV) && !defined(PKG_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV)
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#define BLOCK_SIZE 512
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#define BLOCK_COUNT 10
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typedef struct
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{
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uint8_t BlockSpace[BLOCK_SIZE];
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} BLOCK_TYPE;
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BLOCK_TYPE mass_block[BLOCK_COUNT];
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void usbd_msc_get_cap(uint8_t busid, uint8_t lun, uint32_t *block_num, uint32_t *block_size)
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{
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*block_num = 1000; //Pretend having so many buffer,not has actually.
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*block_size = BLOCK_SIZE;
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}
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int usbd_msc_sector_read(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length)
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{
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if (sector < BLOCK_COUNT)
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memcpy(buffer, mass_block[sector].BlockSpace, length);
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return 0;
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}
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int usbd_msc_sector_write(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length)
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{
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if (sector < BLOCK_COUNT)
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memcpy(mass_block[sector].BlockSpace, buffer, length);
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return 0;
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}
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#else
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#include <rtthread.h>
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#include <rtdevice.h>
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#ifndef CONFIG_USBDEV_MSC_THREAD
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#error "Please enable CONFIG_USBDEV_MSC_THREAD, move msc read & write from isr to thread"
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#endif
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#ifndef CONFIG_USBDEV_MSC_BLOCK_DEV_NAME
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#define CONFIG_USBDEV_MSC_BLOCK_DEV_NAME "sd0"
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#endif
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static rt_device_t blk_dev = RT_NULL;
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struct rt_device_blk_geometry geometry = { 0 };
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void usbd_msc_get_cap(uint8_t busid, uint8_t lun, uint32_t *block_num, uint32_t *block_size)
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{
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rt_device_control(blk_dev, RT_DEVICE_CTRL_BLK_GETGEOME, &geometry);
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*block_num = geometry.sector_count;
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*block_size = geometry.bytes_per_sector;
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}
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int usbd_msc_sector_read(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length)
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{
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rt_device_read(blk_dev, sector, buffer, length / geometry.bytes_per_sector);
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return 0;
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}
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int usbd_msc_sector_write(uint8_t busid, uint8_t lun, uint32_t sector, uint8_t *buffer, uint32_t length)
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{
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rt_device_write(blk_dev, sector, buffer, length / geometry.bytes_per_sector);
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return 0;
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}
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#endif
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static struct usbd_interface intf0;
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void msc_ram_init(uint8_t busid, uintptr_t reg_base)
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{
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#if defined(RT_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV) || defined(PKG_CHERRYUSB_DEVICE_TEMPLATE_MSC_BLKDEV)
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rt_err_t res;
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blk_dev = rt_device_find(CONFIG_USBDEV_MSC_BLOCK_DEV_NAME);
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RT_ASSERT(blk_dev);
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res = rt_device_open(blk_dev, RT_DEVICE_OFLAG_RDWR);
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RT_ASSERT(res == RT_EOK);
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#endif
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#ifdef CONFIG_USBDEV_ADVANCE_DESC
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usbd_desc_register(busid, &msc_ram_descriptor);
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#else
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usbd_desc_register(busid, msc_ram_descriptor);
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#endif
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usbd_add_interface(busid, usbd_msc_init_intf(busid, &intf0, MSC_OUT_EP, MSC_IN_EP));
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usbd_initialize(busid, reg_base, usbd_event_handler);
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}
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#if defined(CONFIG_USBDEV_MSC_POLLING)
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void msc_ram_polling(uint8_t busid)
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{
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usbd_msc_polling(busid);
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}
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#endif |