Added port for ATmega8 - but not quite small enough yet. Compiled for ATmega168 (but at 8734 bytes of flash).

2008-09-27 22:19:23 +00:00
parent 437de29ce7
commit 67a7cdbc12
23 changed files with 4645 additions and 0 deletions
@@ -0,0 +1,159 @@
+/**************************************************************************
+*
+* Copyright (C) 2005 Steve Karg <skarg@users.sourceforge.net>
+*
+* Permission is hereby granted, free of charge, to any person obtaining
+* a copy of this software and associated documentation files (the
+* "Software"), to deal in the Software without restriction, including
+* without limitation the rights to use, copy, modify, merge, publish,
+* distribute, sublicense, and/or sell copies of the Software, and to
+* permit persons to whom the Software is furnished to do so, subject to
+* the following conditions:
+*
+* The above copyright notice and this permission notice shall be included
+* in all copies or substantial portions of the Software.
+*
+* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
+* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
+* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.
+* IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY
+* CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT,
+* TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
+* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*
+*********************************************************************/
+
+/* Analog Input Objects customize for your use */
+
+#include <stdbool.h>
+#include <stdint.h>
+#include <stdio.h>
+#include "bacdef.h"
+#include "bacdcode.h"
+#include "bacenum.h"
+#include "config.h"
+
+/* Analog Input = Photocell */
+#define MAX_ANALOG_INPUTS 9
+#if (MAX_ANALOG_INPUTS > 9)
+#error Modify the Analog_Input_Name to handle multiple digits
+#endif
+
+float Present_Value[MAX_ANALOG_INPUTS];
+
+/* we simply have 0-n object instances.  Yours might be */
+/* more complex, and then you need validate that the */
+/* given instance exists */
+bool Analog_Input_Valid_Instance(
+    uint32_t object_instance)
+{
+    if (object_instance < MAX_ANALOG_INPUTS)
+        return true;
+
+    return false;
+}
+
+/* we simply have 0-n object instances. */
+unsigned Analog_Input_Count(
+    void)
+{
+    return MAX_ANALOG_INPUTS;
+}
+
+/* we simply have 0-n object instances. */
+uint32_t Analog_Input_Index_To_Instance(
+    unsigned index)
+{
+    return index;
+}
+
+/* we simply have 0-n object instances. */
+unsigned Analog_Input_Instance_To_Index(
+    uint32_t object_instance)
+{
+    return object_instance;
+}
+
+
+char *Analog_Input_Name(
+    uint32_t object_instance)
+{
+    static char text_string[5] = "AI-0";        /* okay for single thread */
+
+    if (object_instance < MAX_ANALOG_INPUTS) {
+        text_string[3] = '0' + (uint8_t) object_instance;
+        return text_string;
+    }
+
+    return NULL;
+}
+
+/* return apdu length, or -1 on error */
+/* assumption - object has already exists */
+int Analog_Input_Encode_Property_APDU(
+    uint8_t * apdu,
+    uint32_t object_instance,
+    BACNET_PROPERTY_ID property,
+    int32_t array_index,
+    BACNET_ERROR_CLASS * error_class,
+    BACNET_ERROR_CODE * error_code)
+{
+    int apdu_len = 0;   /* return value */
+    BACNET_BIT_STRING bit_string;
+    BACNET_CHARACTER_STRING char_string;
+    unsigned object_index;
+
+
+    (void) array_index;
+    switch (property) {
+        case PROP_OBJECT_IDENTIFIER:
+            apdu_len =
+                encode_application_object_id(&apdu[0], OBJECT_ANALOG_INPUT,
+                object_instance);
+            break;
+            /* note: Name and Description don't have to be the same.
+               You could make Description writable and different.
+               Note that Object-Name must be unique in this device */
+        case PROP_OBJECT_NAME:
+        case PROP_DESCRIPTION:
+            characterstring_init_ansi(&char_string,
+                Analog_Input_Name(object_instance));
+            apdu_len =
+                encode_application_character_string(&apdu[0], &char_string);
+            break;
+        case PROP_OBJECT_TYPE:
+            apdu_len =
+                encode_application_enumerated(&apdu[0], OBJECT_ANALOG_INPUT);
+            break;
+        case PROP_PRESENT_VALUE:
+            object_index = Analog_Input_Instance_To_Index(object_instance);
+            apdu_len =
+                encode_application_real(&apdu[0], Present_Value[object_index]);
+            break;
+        case PROP_STATUS_FLAGS:
+            bitstring_init(&bit_string);
+            bitstring_set_bit(&bit_string, STATUS_FLAG_IN_ALARM, false);
+            bitstring_set_bit(&bit_string, STATUS_FLAG_FAULT, false);
+            bitstring_set_bit(&bit_string, STATUS_FLAG_OVERRIDDEN, false);
+            bitstring_set_bit(&bit_string, STATUS_FLAG_OUT_OF_SERVICE, false);
+            apdu_len = encode_application_bitstring(&apdu[0], &bit_string);
+            break;
+        case PROP_EVENT_STATE:
+            apdu_len =
+                encode_application_enumerated(&apdu[0], EVENT_STATE_NORMAL);
+            break;
+        case PROP_OUT_OF_SERVICE:
+            apdu_len = encode_application_boolean(&apdu[0], false);
+            break;
+        case PROP_UNITS:
+            apdu_len = encode_application_enumerated(&apdu[0], UNITS_PERCENT);
+            break;
+        default:
+            *error_class = ERROR_CLASS_PROPERTY;
+            *error_code = ERROR_CODE_UNKNOWN_PROPERTY;
+            apdu_len = -1;
+            break;
+    }
+
+    return apdu_len;
+}