73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
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* The MIT License (MIT)
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*
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* Copyright (c) 2019 Ha Thach (tinyusb.org)
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* Copyright (c) 2022 Angel Molina (angelmolinu@gmail.com)
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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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*/
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#include "bsp/board.h"
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#include "tusb.h"
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#include "common.h"
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// Invoked when cdc when line state changed e.g connected/disconnected
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void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
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{
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(void) itf;
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(void) rts;
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if (dtr)
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{
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// Terminal connected
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}
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else
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{
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// Terminal disconnected
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}
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}
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// Invoked when CDC interface received data from host
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void tud_cdc_rx_cb(uint8_t itf)
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{
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uint8_t buf[64];
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uint32_t count;
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// connected() check for DTR bit
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// Most but not all terminal client set this when making connection
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if (tud_cdc_connected())
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{
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if (tud_cdc_available()) // data is available
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{
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count = tud_cdc_n_read(itf, buf, sizeof(buf));
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(void) count;
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tud_cdc_n_write(itf, buf, count);
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tud_cdc_n_write_flush(itf);
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// dummy code to check that cdc serial is responding
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board_led_write(0);
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board_delay(50);
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board_led_write(1);
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board_delay(50);
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board_led_write(0);
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}
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}
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}
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