Kévin Redon | 69b92d9 | 2019-01-24 16:39:20 +0100 | [diff] [blame] | 1 | /* |
Kévin Redon | 78d2f44 | 2019-01-24 18:45:59 +0100 | [diff] [blame] | 2 | * Copyright (C) 2019 sysmocom -s.f.m.c. GmbH, Author: Kevin Redon <kredon@sysmocom.de> |
| 3 | * |
| 4 | * This program is free software; you can redistribute it and/or |
| 5 | * modify it under the terms of the GNU General Public License |
| 6 | * as published by the Free Software Foundation; either version 2 |
| 7 | * of the License, or (at your option) any later version. |
| 8 | * |
| 9 | * This program is distributed in the hope that it will be useful, |
| 10 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 11 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 12 | * GNU General Public License for more details. |
| 13 | * |
| 14 | * You should have received a copy of the GNU General Public License |
| 15 | * along with this program; if not, write to the Free Software |
| 16 | * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA. |
| 17 | */ |
Kévin Redon | 69b92d9 | 2019-01-24 16:39:20 +0100 | [diff] [blame] | 18 | |
| 19 | #include "atmel_start.h" |
| 20 | #include "atmel_start_pins.h" |
| 21 | |
Kévin Redon | 8e53800 | 2019-01-30 11:19:19 +0100 | [diff] [blame] | 22 | volatile static bool data_arrived = false; |
Kévin Redon | 78d2f44 | 2019-01-24 18:45:59 +0100 | [diff] [blame] | 23 | |
| 24 | static void tx_cb_UART_debug(const struct usart_async_descriptor *const io_descr) |
| 25 | { |
| 26 | /* Transfer completed */ |
Kévin Redon | 8e53800 | 2019-01-30 11:19:19 +0100 | [diff] [blame] | 27 | //gpio_toggle_pin_level(LED_system); |
Kévin Redon | 78d2f44 | 2019-01-24 18:45:59 +0100 | [diff] [blame] | 28 | } |
| 29 | |
| 30 | static void rx_cb_UART_debug(const struct usart_async_descriptor *const io_descr) |
| 31 | { |
| 32 | /* Receive completed */ |
Kévin Redon | 6a8295c | 2019-01-30 18:58:44 +0100 | [diff] [blame] | 33 | gpio_toggle_pin_level(USER_LED); |
Kévin Redon | 8e53800 | 2019-01-30 11:19:19 +0100 | [diff] [blame] | 34 | data_arrived = true; |
Kévin Redon | 78d2f44 | 2019-01-24 18:45:59 +0100 | [diff] [blame] | 35 | } |
| 36 | |
Kévin Redon | 69b92d9 | 2019-01-24 16:39:20 +0100 | [diff] [blame] | 37 | int main(void) |
| 38 | { |
| 39 | atmel_start_init(); |
Kévin Redon | 78d2f44 | 2019-01-24 18:45:59 +0100 | [diff] [blame] | 40 | |
| 41 | usart_async_register_callback(&UART_debug, USART_ASYNC_TXC_CB, tx_cb_UART_debug); |
| 42 | usart_async_register_callback(&UART_debug, USART_ASYNC_RXC_CB, rx_cb_UART_debug); |
| 43 | usart_async_enable(&UART_debug); |
| 44 | |
Kévin Redon | 8e53800 | 2019-01-30 11:19:19 +0100 | [diff] [blame] | 45 | usb_start(); |
| 46 | |
Kévin Redon | d7dfb6e | 2019-02-03 14:09:29 +0100 | [diff] [blame^] | 47 | const char* welcome = "\r\n\r\nsysmocom sysmoOCTSIM\r\n"; |
| 48 | while (io_write(&UART_debug.io, (const uint8_t*)welcome, strlen(welcome)) != strlen(welcome)); // print welcome message |
Kévin Redon | 8e53800 | 2019-01-30 11:19:19 +0100 | [diff] [blame] | 49 | while (true) { // main loop |
| 50 | if (data_arrived) { // input on UART debug |
| 51 | data_arrived = false; // clear flag |
| 52 | uint8_t recv_char; // to store the input |
| 53 | while (io_read(&UART_debug.io, &recv_char, 1) == 1) { // read input |
| 54 | while (io_write(&UART_debug.io, &recv_char, 1) != 1); // echo back to output |
| 55 | } |
| 56 | } |
| 57 | } |
Kévin Redon | 69b92d9 | 2019-01-24 16:39:20 +0100 | [diff] [blame] | 58 | } |