234 lines
7.2 KiB
C
234 lines
7.2 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_cdc.h"
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#define CDC_IN_EP 0x82
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#define CDC_OUT_EP 0x01
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#define CDC_INT_EP 0x83
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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 + CDC_ACM_DESCRIPTOR_LEN + CDC_ACM_DESCRIPTOR_LEN)
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USB_DESC_SECTION const uint8_t cdc_descriptor[] =
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{
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USB_DEVICE_DESCRIPTOR_INIT(USB_2_0,0x02,0x02,0x01,USBD_VID,USBD_PID,0x0100,0x01),
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USB_CONFIG_DESCRIPTOR_INIT(USB_CONFIG_SIZE,0x04,0x01,USB_CONFIG_BUS_POWERED,USBD_MAX_POWER),
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CDC_ACM_DESCRIPTOR_INIT(0x00,0x85,CDC_OUT_EP,CDC_IN_EP,0x02),
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CDC_ACM_DESCRIPTOR_INIT(0x02,0x86,0x04,0x83,0x02),
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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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'C', 0x00, /* wcChar9 */
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'D', 0x00, /* wcChar10 */
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'C', 0x00, /* wcChar11 */
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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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'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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0x02,
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0x02,
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0x01,
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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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bool zlp_flag = false;
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uint32_t actual_write_length = 0;
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uint32_t total_recv_length = 0;
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uint32_t rx_pos = 0;
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uint8_t tx_pos = 0;
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uint8_t out_buffer[4096];
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void usbd_cdc_acm_bulk_out(uint8_t ep)
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{
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uint32_t actual_read_length = 0;
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if (usbd_ep_read(ep, &out_buffer[rx_pos], 64, &actual_read_length) < 0)
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{
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USBD_LOG_DBG("Read DATA Packet failed\r\n");
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usbd_ep_set_stall(ep);
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return;
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}
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usbd_ep_read(ep,NULL,0,NULL);
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rx_pos += actual_read_length;
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total_recv_length += actual_read_length;
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actual_write_length = total_recv_length;
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if(rx_pos > 4096)
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rx_pos = 0;
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}
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void usbd_cdc_acm_bulk_in(uint8_t ep)
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{
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if ((zlp_flag == false) && actual_write_length)
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{
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if(actual_write_length > 64)
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{
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usbd_ep_write(ep, (uint8_t*)&out_buffer[tx_pos], 64, NULL);
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actual_write_length -= 64;
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tx_pos+=64;
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}
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else
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{
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usbd_ep_write(ep, (uint8_t*)&out_buffer[tx_pos], actual_write_length, NULL);
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actual_write_length = 0;
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tx_pos = 0;
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total_recv_length = 0;
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}
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if (!actual_write_length && !(total_recv_length % 64))
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{
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MSG("zlp\r\n");
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zlp_flag = true;
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}
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}
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else if (zlp_flag)
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{
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usbd_ep_write(ep, NULL, 0, NULL);
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zlp_flag = false;
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}
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}
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usbd_class_t cdc_class1;
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usbd_interface_t cdc_cmd_intf1;
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usbd_interface_t cdc_data_intf1;
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usbd_endpoint_t cdc_out_ep1 =
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{
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.ep_addr = CDC_OUT_EP,
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.ep_cb = usbd_cdc_acm_bulk_out
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};
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usbd_endpoint_t cdc_in_ep1 =
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{
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.ep_addr = CDC_IN_EP,
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.ep_cb = usbd_cdc_acm_bulk_in
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};
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usbd_class_t cdc_class2;
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usbd_interface_t cdc_cmd_intf2;
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usbd_interface_t cdc_data_intf2;
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usbd_endpoint_t cdc_out_ep2 =
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{
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.ep_addr = 0x04,
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.ep_cb = usbd_cdc_acm_bulk_out
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};
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usbd_endpoint_t cdc_in_ep2 =
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{
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.ep_addr = 0x83,
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.ep_cb = usbd_cdc_acm_bulk_in
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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(cdc_descriptor);
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usbd_cdc_add_acm_interface(&cdc_class1,&cdc_cmd_intf1);
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usbd_cdc_add_acm_interface(&cdc_class1,&cdc_data_intf1);
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usbd_interface_add_endpoint(&cdc_data_intf1,&cdc_out_ep1);
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usbd_interface_add_endpoint(&cdc_data_intf1,&cdc_in_ep1);
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usbd_cdc_add_acm_interface(&cdc_class2,&cdc_cmd_intf2);
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usbd_cdc_add_acm_interface(&cdc_class2,&cdc_data_intf2);
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usbd_interface_add_endpoint(&cdc_data_intf2,&cdc_out_ep2);
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usbd_interface_add_endpoint(&cdc_data_intf2,&cdc_in_ep2);
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usb_fs = usb_dc_init();
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if (usb_fs)
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{
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device_control(usb_fs, DEVICE_CTRL_SET_INT, (void *)(USB_EP1_DATA_OUT_IT|USB_EP2_DATA_IN_IT|USB_EP4_DATA_OUT_IT|USB_EP3_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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}
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