1 files changed, 107 insertions, 0 deletions
diff --git a/firmware/common.c b/firmware/common.c
new file mode 100644
index 0000000..9947c59
--- /dev/null
+++ b/firmware/common.c
@@ -0,0 +1,107 @@
+/*
+ * Copyright (c) 2006, Benedikt Sauter <sauter@empronix.com>
+ * All rights reserved.
+ *
+ * Short descripton of file:
+ *
+ *
+ * Redistribution and use in source and binary forms, with or without 
+ * modification, are permitted provided that the following conditions 
+ * are met:
+ *
+ *   * Redistributions of source code must retain the above copyright 
+ *     notice, this list of conditions and the following disclaimer.
+ *   * Redistributions in binary form must reproduce the above 
+ *     copyright notice, this list of conditions and the following 
+ *     disclaimer in the documentation and/or other materials provided 
+ *     with the distribution.
+ *   * Neither the name of the FH Augsburg nor the names of its 
+ *     contributors may be used to endorse or promote products derived 
+ *     from this software without specific prior written permission.
+ *
+ * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS 
+ * "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT 
+ * LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR 
+ * A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT 
+ * OWNER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 
+ * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT 
+ * LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 
+ * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 
+ * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 
+ * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE 
+ * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ */
+
+#include <stdlib.h>
+#include <avr/io.h>
+#include <stdint.h>
+#include <avr/interrupt.h>
+#include <inttypes.h>
+
+#include "common.h"
+#include "protocol.h"
+#include "io.h"
+#include "93c46.h"
+
+
+
+void common_latency_timer_init(void)
+{
+   // us = 256 - x/2
+   octopus.latency_timer = 206; // 255 = 2us, 254 = 4us ...
+   
+   #ifdef OCTOPUS_CAN
+   TIMSK0 = (1<<TOIE0);  /* enable TCNT0 overflow */
+   TCNT0 = octopus.latency_timer;    /* TCNT0 Timer auf 50ms einstellen */
+   TCCR0A = 3;          /* count with cpu clock/32 */ 
+   #else 
+   TIMSK = (1<<TOIE0);  /* enable TCNT0 overflow */
+   TCNT0 = octopus.latency_timer;    /* TCNT0 Timer auf 50ms einstellen */
+   TCCR0 = 3;          /* count with cpu clock/32 */ 
+   #endif
+}
+
+void common_scheduler(void){}
+
+void common_scheduler_add(int id,void(*userFunc)(void)){}
+
+
+void common_parser(char *buf)
+{
+   switch(buf[0])
+   {
+      case CMD_GET_HW_ID:
+         common_hwdesc();
+      break;
+      default:
+         ;
+   }
+}
+
+void common_init(void)
+{
+   int i;
+   for(i=1;i<=19;i++)
+      io_init(i);
+   for(i=26;i<=44;i++)
+      io_init(i);
+}
+
+
+void common_hwdesc(void)
+{
+   answer[0] = CMD_GET_HW_ID;
+   answer[1] = RSP_OK;
+   answer[2] = 11;
+   answer[3] = 'o'; answer[4] = 'c';answer[5] = 't';answer[6] = 'o';
+   #ifdef OCTOPUS_CAN  
+   answer[7] = 'c'; answer[8] = 'a';answer[9] = 'n';answer[10] = '_';
+   #else
+   answer[7] = 'p'; answer[8] = 'u';answer[9] = 's';answer[10] = '_';
+   #endif  
+   answer[11] = '0'; answer[12] = '1';
+   answer[13] = 0x00;
+   CommandAnswer(14);
+}
+
+