Telemetry Screens again!

2012-03-18 22:36:11 +00:00
parent 2b5eb64540
commit 695ecf7a0d
18 changed files with 818 additions and 143 deletions
@@ -0,0 +1,67 @@
+/*
+ * Authors (alphabetical order)
+ * - Bertrand Songis <bsongis@gmail.com>
+ * - Bryan J. Rentoul (Gruvin) <gruvin@gmail.com>
+ * - Cameron Weeks <th9xer@gmail.com>
+ * - Erez Raviv
+ * - Jean-Pierre Parisy
+ * - Karl Szmutny <shadow@privy.de>
+ * - Michael Blandford
+ * - Michal Hlavinka
+ * - Pat Mackenzie
+ * - Philip Moss
+ * - Rob Thomson
+ * - Romolo Manfredini <romolo.manfredini@gmail.com>
+ * - Thomas Husterer
+ *
+ * open9x is based on code named
+ * gruvin9x by Bryan J. Rentoul: http://code.google.com/p/gruvin9x/,
+ * er9x by Erez Raviv: http://code.google.com/p/er9x/,
+ * and the original (and ongoing) project by
+ * Thomas Husterer, th9x: http://code.google.com/p/th9x/
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ */
+
+#include "open9x.h"
+
+inline void board_init()
+{
+  // Set up I/O port data directions and initial states
+  DDRA = 0xff;  PORTA = 0x00; // LCD data
+  DDRB = 0x81;  PORTB = 0x7e; //pullups keys+nc
+  DDRC = 0x3e;  PORTC = 0xc1; //pullups nc
+  DDRD = 0x00;  PORTD = 0xff; //pullups keys
+  DDRE = (1<<OUT_E_BUZZER);  PORTE = 0xff-(1<<OUT_E_BUZZER); //pullups + buzzer 0
+  DDRF = 0x00;  PORTF = 0x00; //anain
+  DDRG = 0x14;  PORTG = 0xfb; //pullups + SIM_CTL=1 = phonejack = ppm_in, Haptic output and off (0)
+
+  ADMUX=ADC_VREF_TYPE;
+  ADCSRA=0x85; // ADC enabled, pre-scaler division=32 (no interrupt, no auto-triggering)
+
+  /**** Set up timer/counter 0 ****/
+#if defined (AUDIO)
+  // TCNT0  10ms = 16MHz/1024/2(/78) periodic timer (for speaker tone generation)
+  //        Capture ISR 7812.5/second -- runs per-10ms code segment once every 78
+  //        cycles (9.984ms). Timer overflows at about 61Hz or once every 16ms.
+  TCCR0  = (0b111 << CS00);//  Norm mode, clk/1024
+  OCR0 = 2;
+#else
+  // TCNT0  10ms = 16MHz/1024/156 periodic timer (9.984ms)
+  // (with 1:4 duty at 157 to average 10.0ms)
+  // Timer overflows at about 61Hz or once every 16ms.
+  TCCR0  = (0b111 << CS00);//  Norm mode, clk/1024
+  OCR0 = 156;
+#endif
+
+  TIMSK |= (1<<OCIE0) |  (1<<TOIE0); // Enable Output-Compare and Overflow interrrupts
+  /********************************/
+}