Aukie Hooglugt / MODSERIAL-

-

Fork of MODSERIAL by Erik -

example3a.cpp@36:f6cba765d331, 2014-10-03 (annotated)

Committer:
Hooglugt
Date:
Fri Oct 03 09:16:32 2014 +0000
Revision:
36:f6cba765d331
Parent:
18:21ef26402365 
changed method to check if script works (led display, certain light activating at selection to pc.printf, text display in realterm)

Who changed what in which revision?

UserRevisionLine numberNew contents of line
AjK 18:21ef26402365 1 /*
AjK 18:21ef26402365 2 Copyright (c) 2011 Andy Kirkham
AjK 18:21ef26402365 3
AjK 18:21ef26402365 4 Permission is hereby granted, free of charge, to any person obtaining a copy
AjK 18:21ef26402365 5 of this software and associated documentation files (the "Software"), to deal
AjK 18:21ef26402365 6 in the Software without restriction, including without limitation the rights
AjK 18:21ef26402365 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
AjK 18:21ef26402365 8 copies of the Software, and to permit persons to whom the Software is
AjK 18:21ef26402365 9 furnished to do so, subject to the following conditions:
AjK 18:21ef26402365 10
AjK 18:21ef26402365 11 The above copyright notice and this permission notice shall be included in
AjK 18:21ef26402365 12 all copies or substantial portions of the Software.
AjK 18:21ef26402365 13
AjK 18:21ef26402365 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
AjK 18:21ef26402365 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
AjK 18:21ef26402365 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
AjK 18:21ef26402365 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
AjK 18:21ef26402365 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
AjK 18:21ef26402365 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
AjK 18:21ef26402365 20 THE SOFTWARE.
AjK 18:21ef26402365 21
AjK 18:21ef26402365 22 @file example3.cpp
AjK 18:21ef26402365 23 @purpose Demos a simple filter.
AjK 18:21ef26402365 24 @version see ChangeLog.c
AjK 18:21ef26402365 25 @author Andy Kirkham
AjK 18:21ef26402365 26 */
AjK 18:21ef26402365 27
AjK 18:21ef26402365 28 /*
AjK 18:21ef26402365 29 This example shows how to use the new callback system. In the old system
AjK 18:21ef26402365 30 Mbed's FunctionPointer[1] type was used to store abd make calls to callbacks.
AjK 18:21ef26402365 31 However, that limits the callback function prototype to void func(void);
AjK 18:21ef26402365 32 which means we cannot pass parameters.
AjK 18:21ef26402365 33
AjK 18:21ef26402365 34 This latest version of MODSERIAL now uses its own callback object. This allows
AjK 18:21ef26402365 35 the passing of a pointer to a class that holds information about the MODSERIAL
AjK 18:21ef26402365 36 object making the callback. As of version 1.18 one critcal piece of information
AjK 18:21ef26402365 37 is passed, a pointer to the MODSERIAL object. This allows callbacks to use the
AjK 18:21ef26402365 38 MODSERIAL functions and data.
AjK 18:21ef26402365 39
AjK 18:21ef26402365 40 Additionally, since MODSERIAL and the callback parameter class MODSERIAL_IRQ_INFO
AjK 18:21ef26402365 41 are friends, MODSERIAL_IRQ_INFO can access the protected functions of MODSERIAL.
AjK 18:21ef26402365 42 This is used to ensure functions that can only be called during a callback
AjK 18:21ef26402365 43 can be invoked from a callback.
AjK 18:21ef26402365 44
AjK 18:21ef26402365 45 [1] http://mbed.org/projects/libraries/svn/mbed/trunk/FunctionPointer.h
AjK 18:21ef26402365 46 */
AjK 18:21ef26402365 47
AjK 18:21ef26402365 48 #ifdef COMPILE_EXAMPLE3_CODE_MODSERIAL
AjK 18:21ef26402365 49
AjK 18:21ef26402365 50 #include "mbed.h"
AjK 18:21ef26402365 51 #include "MODSERIAL.h"
AjK 18:21ef26402365 52
AjK 18:21ef26402365 53 DigitalOut led1(LED1);
AjK 18:21ef26402365 54
AjK 18:21ef26402365 55 MODSERIAL pc(USBTX, USBRX);
AjK 18:21ef26402365 56
AjK 18:21ef26402365 57 // The following callback is defined in example3b.cpp
AjK 18:21ef26402365 58 //! @see example3b.cpp
AjK 18:21ef26402365 59 void rxCallback(MODSERIAL_IRQ_INFO *info);
AjK 18:21ef26402365 60
AjK 18:21ef26402365 61 int main() {
AjK 18:21ef26402365 62
AjK 18:21ef26402365 63 int life_counter = 0;
AjK 18:21ef26402365 64
AjK 18:21ef26402365 65 pc.baud(115200);
AjK 18:21ef26402365 66
AjK 18:21ef26402365 67 pc.attach(&rxCallback, MODSERIAL::RxIrq);
AjK 18:21ef26402365 68
AjK 18:21ef26402365 69 while(1) {
AjK 18:21ef26402365 70 // Echo back any chars we get except 'A' which is filtered by the rxCallback.
AjK 18:21ef26402365 71 if (pc.readable()) {
AjK 18:21ef26402365 72 pc.putc(pc.getc());
AjK 18:21ef26402365 73 }
AjK 18:21ef26402365 74
AjK 18:21ef26402365 75 // Toggle LED1 every so often to show we are alive.
AjK 18:21ef26402365 76 if (life_counter++ == 1000000) {
AjK 18:21ef26402365 77 life_counter = 0;
AjK 18:21ef26402365 78 led1 = !led1;
AjK 18:21ef26402365 79 }
AjK 18:21ef26402365 80 }
AjK 18:21ef26402365 81 }
AjK 18:21ef26402365 82
AjK 18:21ef26402365 83 #endif