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https://github.com/hathach/tinyusb.git
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103 lines
2.9 KiB
C
103 lines
2.9 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2022, Ha Thach (tinyusb.org)
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*
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* Permission is hereby granted, free of charge, to any person obtaining a copy
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* of this software and associated documentation files (the "Software"), to deal
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* in the Software without restriction, including without limitation the rights
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* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
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* copies of the Software, and to permit persons to whom the Software is
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* furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
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* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
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* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
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* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
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* THE SOFTWARE.
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*
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* This file is part of the TinyUSB stack.
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*/
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#include "tusb.h"
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#include "bsp/board.h"
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//--------------------------------------------------------------------+
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// MACRO TYPEDEF CONSTANT ENUM DECLARATION
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//--------------------------------------------------------------------+
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//------------- IMPLEMENTATION -------------//
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size_t get_console_inputs(uint8_t* buf, size_t bufsize)
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{
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size_t count = 0;
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while (count < bufsize)
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{
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int ch = board_getchar();
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if ( ch <= 0 ) break;
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buf[count] = (uint8_t) ch;
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count++;
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}
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return count;
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}
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void cdc_app_task(void)
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{
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uint8_t buf[64+1]; // +1 for extra null character
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uint32_t const bufsize = sizeof(buf)-1;
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uint32_t count = get_console_inputs(buf, bufsize);
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buf[count] = 0;
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// loop over all mounted interfaces
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for(uint8_t idx=0; idx<CFG_TUH_CDC; idx++)
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{
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if ( tuh_cdc_mounted(idx) )
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{
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// console --> cdc interfaces
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if (count)
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{
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tuh_cdc_write(idx, buf, count);
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tuh_cdc_write_flush(idx);
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}
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}
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}
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}
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// Invoked when received new data
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void tuh_cdc_rx_cb(uint8_t idx)
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{
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uint8_t buf[64+1]; // +1 for extra null character
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uint32_t const bufsize = sizeof(buf)-1;
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// forward cdc interfaces -> console
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uint32_t count = tuh_cdc_read(idx, buf, bufsize);
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buf[count] = 0;
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printf((char*) buf);
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}
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void tuh_cdc_mount_cb(uint8_t idx)
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{
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tuh_cdc_itf_info_t itf_info;
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tuh_cdc_itf_get_info(idx, &itf_info);
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printf("CDC Interface is mounted: device address = %u, itf_num = %u\r\n", itf_info.daddr, itf_info.bInterfaceNumber);
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}
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void tuh_cdc_umount_cb(uint8_t idx)
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{
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tuh_cdc_itf_info_t itf_info;
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tuh_cdc_itf_get_info(idx, &itf_info);
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printf("CDC Interface is unmounted: device address = %u, itf_num = %u\r\n", itf_info.daddr, itf_info.bInterfaceNumber);
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}
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