2 * Copyright (c) 2019 Tilman Sauerbeck (tilman at code-monkey de)
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
12 * The above copyright notice and this permission notice shall be
13 * included in all copies or substantial portions of the Software.
15 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
16 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
17 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
18 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
19 * LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
20 * OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
21 * WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
25 #![crate_type="staticlib"]
26 #[link(name="libcommon.rlib")]
30 use common::buffer::Buffer;
35 use common::usb_serial;
38 fn enable_interrupts();
40 static mut cdc_tx_buf: Buffer;
44 pub unsafe extern fn main() {
49 // Configure upper right push button.
50 gpio::set_direction(gpio::GPIOA, 1 << 12, gpio::Direction::Input);
51 port::set_af(port::PORTA, 12, 1);
52 port::set_pull(port::PORTA, 12, port::Pull::Up);
56 usb_serial::init(0xf055, 0x635d);
58 cdc_tx_buf.write(b"\n");
62 systick::delay_ms(1000);
64 cdc_tx_buf.write(b".\n");