73 lines
2.1 KiB
C
73 lines
2.1 KiB
C
/*
|
|
* The MIT License (MIT)
|
|
*
|
|
* Copyright (c) 2019 Ha Thach (tinyusb.org)
|
|
* Copyright (c) 2022 Angel Molina (angelmolinu@gmail.com)
|
|
*
|
|
* Permission is hereby granted, free of charge, to any person obtaining a copy
|
|
* of this software and associated documentation files (the "Software"), to deal
|
|
* in the Software without restriction, including without limitation the rights
|
|
* to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
|
|
* copies of the Software, and to permit persons to whom the Software is
|
|
* furnished to do so, subject to the following conditions:
|
|
*
|
|
* The above copyright notice and this permission notice shall be included in
|
|
* all copies or substantial portions of the Software.
|
|
*
|
|
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
|
|
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
|
|
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
|
|
* AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
|
|
* LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
|
|
* OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
|
|
* THE SOFTWARE.
|
|
*
|
|
*/
|
|
|
|
#include "bsp/board_api.h"
|
|
#include "tusb.h"
|
|
#include "common.h"
|
|
|
|
// Invoked when cdc when line state changed e.g connected/disconnected
|
|
void tud_cdc_line_state_cb(uint8_t itf, bool dtr, bool rts)
|
|
{
|
|
(void) itf;
|
|
(void) rts;
|
|
|
|
if (dtr)
|
|
{
|
|
// Terminal connected
|
|
}
|
|
else
|
|
{
|
|
// Terminal disconnected
|
|
}
|
|
}
|
|
|
|
// Invoked when CDC interface received data from host
|
|
void tud_cdc_rx_cb(uint8_t itf)
|
|
{
|
|
uint8_t buf[64];
|
|
uint32_t count;
|
|
|
|
// connected() check for DTR bit
|
|
// Most but not all terminal client set this when making connection
|
|
if (tud_cdc_connected())
|
|
{
|
|
if (tud_cdc_available()) // data is available
|
|
{
|
|
count = tud_cdc_n_read(itf, buf, sizeof(buf));
|
|
(void) count;
|
|
|
|
tud_cdc_n_write(itf, buf, count);
|
|
tud_cdc_n_write_flush(itf);
|
|
// dummy code to check that cdc serial is responding
|
|
board_led_write(0);
|
|
board_delay(50);
|
|
board_led_write(1);
|
|
board_delay(50);
|
|
board_led_write(0);
|
|
}
|
|
}
|
|
}
|