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/*
* The MIT License (MIT)
*
* Copyright (c) 2019 Ha Thach (tinyusb.org)
* Copyright (c) 2022 Angel Molina ([email protected])
*
* 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() > 0) {
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);
}
}
}
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