Dimitri Gruebel / Mbed 2 deprecated Reaction Wheel Actuated Satellite Dynamics Test Platform Featured

Reaction Wheel Actuated Satellite Dynamics Test Platform

Dependencies:   mbed

Diploma Thesis in Aerospace Engineering, January 2014

University of Applied Sciences Munich, Faculty 03

Electronics:

  • 1x mbed NXP LPC 1768 Microcontroller
  • 2x XBee S1 Radios + Sparkfun USB Adapter
  • 1x CHR UM6-lt IMU
  • 4x Graupner BEC 8 Motor Controllers
  • 4x ROXXY 2826/09 Brushless Motors
  • 1x Hacker TopFuel LiPo 1300mAh Battery
  • 1x big Selfmade BreakOutBoard to connect all components
  • 1x small BreakOutBoard to connect IMU

Hardware developed with Catia V5R20

Manufactoring Technology: Rapid Prototyping - EOS Formiga P110

Controlled via text based menu with DockLight

__________________

MODSERIAL/GETC.cpp@0:1447d2f773db, 2014-07-09 (annotated)

Committer:
DimitriGruebel
Date:
Wed Jul 09 07:35:50 2014 +0000
Revision:
0:1447d2f773db
Dynamics Test Platform

Who changed what in which revision?

UserRevisionLine numberNew contents of line
DimitriGruebel 0:1447d2f773db 1 /*
DimitriGruebel 0:1447d2f773db 2 Copyright (c) 2010 Andy Kirkham
DimitriGruebel 0:1447d2f773db 3
DimitriGruebel 0:1447d2f773db 4 Permission is hereby granted, free of charge, to any person obtaining a copy
DimitriGruebel 0:1447d2f773db 5 of this software and associated documentation files (the "Software"), to deal
DimitriGruebel 0:1447d2f773db 6 in the Software without restriction, including without limitation the rights
DimitriGruebel 0:1447d2f773db 7 to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
DimitriGruebel 0:1447d2f773db 8 copies of the Software, and to permit persons to whom the Software is
DimitriGruebel 0:1447d2f773db 9 furnished to do so, subject to the following conditions:
DimitriGruebel 0:1447d2f773db 10
DimitriGruebel 0:1447d2f773db 11 The above copyright notice and this permission notice shall be included in
DimitriGruebel 0:1447d2f773db 12 all copies or substantial portions of the Software.
DimitriGruebel 0:1447d2f773db 13
DimitriGruebel 0:1447d2f773db 14 THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
DimitriGruebel 0:1447d2f773db 15 IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
DimitriGruebel 0:1447d2f773db 16 FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
DimitriGruebel 0:1447d2f773db 17 AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
DimitriGruebel 0:1447d2f773db 18 LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
DimitriGruebel 0:1447d2f773db 19 OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
DimitriGruebel 0:1447d2f773db 20 THE SOFTWARE.
DimitriGruebel 0:1447d2f773db 21 */
DimitriGruebel 0:1447d2f773db 22
DimitriGruebel 0:1447d2f773db 23 #include "MODSERIAL.h"
DimitriGruebel 0:1447d2f773db 24 #include "MACROS.h"
DimitriGruebel 0:1447d2f773db 25
DimitriGruebel 0:1447d2f773db 26 namespace AjK {
DimitriGruebel 0:1447d2f773db 27
DimitriGruebel 0:1447d2f773db 28 int
DimitriGruebel 0:1447d2f773db 29 MODSERIAL::__getc(bool block)
DimitriGruebel 0:1447d2f773db 30 {
DimitriGruebel 0:1447d2f773db 31 // If no buffer is in use fall back to standard RX FIFO usage.
DimitriGruebel 0:1447d2f773db 32 // Note, we must block in this case and ignore bool "block"
DimitriGruebel 0:1447d2f773db 33 // so as to maintain compat with Mbed Serial.
DimitriGruebel 0:1447d2f773db 34 if (buffer_size[RxIrq] == 0 || buffer[RxIrq] == (char *)NULL) {
DimitriGruebel 0:1447d2f773db 35 while(! MODSERIAL_RBR_HAS_DATA ) ;
DimitriGruebel 0:1447d2f773db 36 return (int)(_RBR & 0xFF);
DimitriGruebel 0:1447d2f773db 37 }
DimitriGruebel 0:1447d2f773db 38
DimitriGruebel 0:1447d2f773db 39 if (block) { while ( MODSERIAL_RX_BUFFER_EMPTY ) ; } // Blocks.
DimitriGruebel 0:1447d2f773db 40 else if ( MODSERIAL_RX_BUFFER_EMPTY ) return -1;
DimitriGruebel 0:1447d2f773db 41
DimitriGruebel 0:1447d2f773db 42 int c = buffer[RxIrq][buffer_out[RxIrq]];
DimitriGruebel 0:1447d2f773db 43 buffer_out[RxIrq]++;
DimitriGruebel 0:1447d2f773db 44 if (buffer_out[RxIrq] >= buffer_size[RxIrq]) {
DimitriGruebel 0:1447d2f773db 45 buffer_out[RxIrq] = 0;
DimitriGruebel 0:1447d2f773db 46 }
DimitriGruebel 0:1447d2f773db 47
DimitriGruebel 0:1447d2f773db 48 // If we have made space in the RX Buffer then copy over
DimitriGruebel 0:1447d2f773db 49 // any characters in the RX FIFO that my reside there.
DimitriGruebel 0:1447d2f773db 50 // Temporarily disable the RX IRQ so that we do not re-enter
DimitriGruebel 0:1447d2f773db 51 // it under interrupts.
DimitriGruebel 0:1447d2f773db 52 if ( ! MODSERIAL_RX_BUFFER_FULL ) {
DimitriGruebel 0:1447d2f773db 53 uint32_t ier = _IER;
DimitriGruebel 0:1447d2f773db 54 _IER &= ~(1UL << 0);
DimitriGruebel 0:1447d2f773db 55 isr_rx();
DimitriGruebel 0:1447d2f773db 56 _IER = ier;
DimitriGruebel 0:1447d2f773db 57 }
DimitriGruebel 0:1447d2f773db 58
DimitriGruebel 0:1447d2f773db 59 __disable_irq();
DimitriGruebel 0:1447d2f773db 60 buffer_count[RxIrq]--;
DimitriGruebel 0:1447d2f773db 61 __enable_irq();
DimitriGruebel 0:1447d2f773db 62 return c;
DimitriGruebel 0:1447d2f773db 63 }
DimitriGruebel 0:1447d2f773db 64
DimitriGruebel 0:1447d2f773db 65 }; // namespace AjK ends