void testAnalog_Value(
Test * pTest)
{
BACNET_READ_PROPERTY_DATA rpdata;
uint8_t apdu[MAX_APDU] = { 0 };
int len = 0;
uint32_t len_value = 0;
uint8_t tag_number = 0;
uint16_t decoded_type = 0;
uint32_t decoded_instance = 0;
Analog_Value_Init();
rpdata.application_data = &apdu[0];
rpdata.application_data_len = sizeof(apdu);
rpdata.object_type = OBJECT_ANALOG_VALUE;
rpdata.object_instance = 1;
rpdata.object_property = PROP_OBJECT_IDENTIFIER;
rpdata.array_index = BACNET_ARRAY_ALL;
len = Analog_Value_Read_Property(&rpdata);
ct_test(pTest, len != 0);
len = decode_tag_number_and_value(&apdu[0], &tag_number, &len_value);
ct_test(pTest, tag_number == BACNET_APPLICATION_TAG_OBJECT_ID);
len = decode_object_id(&apdu[len], &decoded_type, &decoded_instance);
ct_test(pTest, decoded_type == rpdata.object_type);
ct_test(pTest, decoded_instance == rpdata.object_instance);
return;
}
bool Analog_Value_Present_Value_Set(
uint32_t object_instance,
float value,
uint8_t priority)
{
unsigned index = 0;
bool status = false;
Analog_Value_Init();
index = Analog_Value_Instance_To_Index(object_instance);
if (index < MAX_ANALOG_VALUES) {
if (priority && (priority <= BACNET_MAX_PRIORITY) &&
(priority != 6 /* reserved */ ) &&
(value >= 0.0) && (value <= 100.0)) {
Analog_Value_Level[index][priority - 1] = (uint8_t) value;
/* Note: you could set the physical output here to the next
highest priority, or to the relinquish default if no
priorities are set.
However, if Out of Service is TRUE, then don't set the
physical output. This comment may apply to the
main loop (i.e. check out of service before changing output) */
status = true;
}
}
return status;
}
/* given instance exists */
bool Analog_Value_Valid_Instance(
uint32_t object_instance)
{
Analog_Value_Init();
if (object_instance < MAX_ANALOG_VALUES)
return true;
return false;
}
/* that correlates to the correct instance number */
unsigned Analog_Value_Instance_To_Index(
uint32_t object_instance)
{
unsigned index = MAX_ANALOG_VALUES;
Analog_Value_Init();
if (object_instance < MAX_ANALOG_VALUES)
index = object_instance;
return index;
}
static float Analog_Value_Present_Value(
uint32_t object_instance)
{
float value = ANALOG_RELINQUISH_DEFAULT;
unsigned index = 0;
unsigned i = 0;
Analog_Value_Init();
index = Analog_Value_Instance_To_Index(object_instance);
if (index < MAX_ANALOG_VALUES) {
value = Present_Value[index];
}
return value;
}
float Analog_Value_Present_Value(
uint32_t object_instance)
{
float value = ANALOG_RELINQUISH_DEFAULT;
unsigned index = 0;
unsigned i = 0;
Analog_Value_Init();
index = Analog_Value_Instance_To_Index(object_instance);
if (index < MAX_ANALOG_VALUES) {
for (i = 0; i < BACNET_MAX_PRIORITY; i++) {
if (Analog_Value_Level[index][i] != ANALOG_LEVEL_NULL) {
value = Analog_Value_Level[index][i];
break;
}
}
}
return value;
}
/* that correlates to the correct index */
uint32_t Analog_Value_Index_To_Instance(
unsigned index)
{
Analog_Value_Init();
return index;
}
/* more complex, and then count how many you have */
unsigned Analog_Value_Count(
void)
{
Analog_Value_Init();
return MAX_ANALOG_VALUES;
}
/* returns true if successful */
bool Analog_Value_Write_Property(
BACNET_WRITE_PROPERTY_DATA * wp_data,
BACNET_ERROR_CLASS * error_class,
BACNET_ERROR_CODE * error_code)
{
bool status = false; /* return value */
unsigned int object_index = 0;
unsigned int priority = 0;
uint8_t level = ANALOG_LEVEL_NULL;
int len = 0;
BACNET_APPLICATION_DATA_VALUE value;
Analog_Value_Init();
if (!Analog_Value_Valid_Instance(wp_data->object_instance)) {
*error_class = ERROR_CLASS_OBJECT;
*error_code = ERROR_CODE_UNKNOWN_OBJECT;
return false;
}
/* decode the some of the request */
len =
bacapp_decode_application_data(wp_data->application_data,
wp_data->application_data_len, &value);
/* FIXME: len < application_data_len: more data? */
/* FIXME: len == 0: unable to decode? */
switch (wp_data->object_property) {
case PROP_PRESENT_VALUE:
if (value.tag == BACNET_APPLICATION_TAG_REAL) {
priority = wp_data->priority;
/* Command priority 6 is reserved for use by Minimum On/Off
algorithm and may not be used for other purposes in any
object. */
if (priority && (priority <= BACNET_MAX_PRIORITY) &&
(priority != 6 /* reserved */ ) &&
(value.type.Real >= 0.0) && (value.type.Real <= 100.0)) {
level = (uint8_t) value.type.Real;
object_index =
Analog_Value_Instance_To_Index
(wp_data->object_instance);
priority--;
Present_Value[object_index] = level;
/* Note: you could set the physical output here if we
are the highest priority.
However, if Out of Service is TRUE, then don't set the
physical output. This comment may apply to the
main loop (i.e. check out of service before changing output) */
status = true;
} else if (priority == 6) {
/* Command priority 6 is reserved for use by Minimum On/Off
algorithm and may not be used for other purposes in any
object. */
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
} else {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
}
#if 0
} else if (value.tag == BACNET_APPLICATION_TAG_NULL) {
level = ANALOG_LEVEL_NULL;
object_index =
Analog_Value_Instance_To_Index(wp_data->object_instance);
priority = wp_data->priority;
if (priority && (priority <= BACNET_MAX_PRIORITY)) {
priority--;
Present_Value[object_index][priority] = level;
/* Note: you could set the physical output here to the next
highest priority, or to the relinquish default if no
priorities are set.
However, if Out of Service is TRUE, then don't set the
physical output. This comment may apply to the
main loop (i.e. check out of service before changing output) */
status = true;
} else {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
}
#endif
} else {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_INVALID_DATA_TYPE;
}
break;
#if 0
case PROP_OUT_OF_SERVICE:
if (value.tag == BACNET_APPLICATION_TAG_BOOLEAN) {
object_index =
Analog_Value_Instance_To_Index(wp_data->object_instance);
Analog_Value_Out_Of_Service[object_index] = value.type.Boolean;
status = true;
} else {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_INVALID_DATA_TYPE;
}
break;
#endif
default:
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
break;
}
return status;
}
/* return apdu len, or -1 on error */
int Analog_Value_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 len = 0;
int apdu_len = 0; /* return value */
BACNET_BIT_STRING bit_string;
BACNET_CHARACTER_STRING char_string;
float real_value = (float) 1.414;
unsigned object_index = 0;
unsigned i = 0;
bool state = false;
Analog_Value_Init();
switch (property) {
case PROP_OBJECT_IDENTIFIER:
apdu_len =
encode_application_object_id(&apdu[0], OBJECT_ANALOG_VALUE,
object_instance);
break;
case PROP_OBJECT_NAME:
case PROP_DESCRIPTION:
characterstring_init_ansi(&char_string,
Analog_Value_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_VALUE);
break;
case PROP_PRESENT_VALUE:
real_value = Analog_Value_Present_Value(object_instance);
apdu_len = encode_application_real(&apdu[0], real_value);
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:
#if 0
object_index = Analog_Value_Instance_To_Index(object_instance);
state = Analog_Value_Out_Of_Service[object_index];
#endif
apdu_len = encode_application_boolean(&apdu[0], false);
break;
case PROP_UNITS:
apdu_len = encode_application_enumerated(&apdu[0], UNITS_PERCENT);
break;
#if 0
case PROP_PRIORITY_ARRAY:
/* Array element zero is the number of elements in the array */
if (array_index == 0)
apdu_len =
encode_application_unsigned(&apdu[0], BACNET_MAX_PRIORITY);
/* if no index was specified, then try to encode the entire list */
/* into one packet. */
else if (array_index == BACNET_ARRAY_ALL) {
object_index = Analog_Value_Instance_To_Index(object_instance);
for (i = 0; i < BACNET_MAX_PRIORITY; i++) {
/* FIXME: check if we have room before adding it to APDU */
if (Present_Value[object_index][i] == ANALOG_LEVEL_NULL)
len = encode_application_null(&apdu[apdu_len]);
else {
real_value = Present_Value[object_index][i];
len =
encode_application_real(&apdu[apdu_len],
real_value);
}
/* add it if we have room */
if ((apdu_len + len) < MAX_APDU)
apdu_len += len;
else {
*error_class = ERROR_CLASS_SERVICES;
*error_code = ERROR_CODE_NO_SPACE_FOR_OBJECT;
apdu_len = -1;
break;
}
}
} else {
object_index = Analog_Value_Instance_To_Index(object_instance);
if (array_index <= BACNET_MAX_PRIORITY) {
if (Present_Value[object_index][array_index - 1] ==
ANALOG_LEVEL_NULL)
apdu_len = encode_application_null(&apdu[0]);
else {
real_value =
Present_Value[object_index][array_index - 1];
apdu_len =
encode_application_real(&apdu[0], real_value);
}
} else {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_INVALID_ARRAY_INDEX;
apdu_len = -1;
}
}
break;
case PROP_RELINQUISH_DEFAULT:
real_value = ANALOG_RELINQUISH_DEFAULT;
apdu_len = encode_application_real(&apdu[0], real_value);
break;
#endif
default:
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_UNKNOWN_PROPERTY;
apdu_len = -1;
break;
}
return apdu_len;
}
