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1 // Copyright (c) 2015, the Dartino project authors. Please see the AUTHORS file | |
2 // for details. All rights reserved. Use of this source code is governed by a | |
3 // BSD-style license that can be found in the LICENSE.md file. | |
4 | |
5 import 'dart:typed_data'; | |
6 | |
7 import 'package:stm32f746g_disco/uart.dart'; | |
8 import 'package:stm32f746g_disco/stm32f746g_disco.dart'; | |
9 | |
10 main() { | |
11 const int CR = 13; | |
12 const int LF = 10; | |
13 | |
14 STM32F746GDiscovery disco = new STM32F746GDiscovery(); | |
15 Uart uart = disco.uart; | |
16 | |
17 uart.writeString("\rWelcome to Dart UART echo!\r\n"); | |
18 uart.writeString("--------------------------\r\n"); | |
19 while (true) { | |
20 var data = new Uint8List.view(uart.readNext()); | |
21 // Map CR to CR+LF for nicer console output. | |
22 if (data.indexOf(CR) != -1) { | |
23 for (int i = 0; i < data.length; i++) { | |
24 var byte = data[i]; | |
25 uart.writeByte(byte); | |
26 if (byte == CR) { | |
27 uart.writeByte(LF); | |
28 } | |
29 } | |
30 } else { | |
31 uart.write(data.buffer); | |
32 } | |
33 } | |
34 } | |
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