160 lines
5.4 KiB
C
160 lines
5.4 KiB
C
/**
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* @file main.c
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* @brief
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*
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* Copyright (c) 2021 Bouffalolab team
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*
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* Licensed to the Apache Software Foundation (ASF) under one or more
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* contributor license agreements. See the NOTICE file distributed with
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* this work for additional information regarding copyright ownership. The
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* ASF licenses this file to you under the Apache License, Version 2.0 (the
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* "License"); you may not use this file except in compliance with the
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* License. You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
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* WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. See the
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* License for the specific language governing permissions and limitations
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* under the License.
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*
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*/
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#include "hal_usb.h"
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#include "usbd_core.h"
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#include "usbd_msc.h"
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#define MSC_IN_EP 0x85
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#define MSC_OUT_EP 0x04
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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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USB_DESC_SECTION 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, 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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0x12, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'B', 0x00, /* wcChar0 */
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'o', 0x00, /* wcChar1 */
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'u', 0x00, /* wcChar2 */
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'f', 0x00, /* wcChar3 */
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'f', 0x00, /* wcChar4 */
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'a', 0x00, /* wcChar5 */
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'l', 0x00, /* wcChar6 */
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'o', 0x00, /* wcChar7 */
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///////////////////////////////////////
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/// string2 descriptor
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///////////////////////////////////////
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0x24, /* bLength */
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USB_DESCRIPTOR_TYPE_STRING, /* bDescriptorType */
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'B', 0x00, /* wcChar0 */
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'o', 0x00, /* wcChar1 */
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'u', 0x00, /* wcChar2 */
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'f', 0x00, /* wcChar3 */
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'f', 0x00, /* wcChar4 */
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'a', 0x00, /* wcChar5 */
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'l', 0x00, /* wcChar6 */
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'o', 0x00, /* wcChar7 */
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' ', 0x00, /* wcChar8 */
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'M', 0x00, /* wcChar9 */
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'S', 0x00, /* wcChar10 */
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'C', 0x00, /* wcChar11 */
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' ', 0x00, /* wcChar12 */
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'D', 0x00, /* wcChar13 */
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'E', 0x00, /* wcChar14 */
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'M', 0x00, /* wcChar15 */
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'O', 0x00, /* wcChar16 */
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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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'1', 0x00, /* wcChar3 */
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'0', 0x00, /* wcChar4 */
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'3', 0x00, /* wcChar5 */
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'1', 0x00, /* wcChar6 */
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'0', 0x00, /* wcChar7 */
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'0', 0x00, /* wcChar8 */
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'0', 0x00, /* wcChar9 */
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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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0x01,
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0x00,
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0x00
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};
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#define BLOCK_SIZE 512
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#define BLOCK_COUNT 64
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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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// The CDC recv buffer size should equal to the out endpoint size
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// or we will need a timeout to flush the recv buffer
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BLOCK_TYPE mass_block[BLOCK_COUNT] __attribute__((section(".system_ram")));
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void usbd_msc_get_cap(uint8_t lun, uint32_t *block_num, uint16_t *block_size)
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{
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*block_num = BLOCK_COUNT;
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*block_size = BLOCK_SIZE;
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}
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int usbd_msc_sector_read(uint32_t sector, uint8_t *buffer, uint32_t length)
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{
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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(uint32_t sector, uint8_t *buffer, uint32_t length)
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{
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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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struct device *usb_fs;
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extern struct device *usb_dc_init(void);
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int main(void)
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{
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bflb_platform_init(0);
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usbd_desc_register(msc_ram_descriptor);
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usbd_msc_class_init(MSC_OUT_EP, MSC_IN_EP);
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usb_fs = usb_dc_init();
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if (usb_fs) {
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device_control(usb_fs, DEVICE_CTRL_SET_INT, (void *)(USB_EP4_DATA_OUT_IT | USB_EP5_DATA_IN_IT));
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}
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while (1) {
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}
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}
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