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Added functions to the analog output demo object to get and set the Present_Value.

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This commit is contained in:
skarg
2007-02-09 16:47:59 +00:00
parent 64ebf973a8
commit 0f43f3d227
2 changed files with 93 additions and 32 deletions
Download Patch File Download Diff File Expand all files Collapse all files
bacnet-stack/demo/object/ao.c
+83 -32
View File
@@ -117,7 +117,7 @@ unsigned Analog_Output_Instance_To_Index(uint32_t object_instance)
return index;
}
static float Analog_Output_Present_Value(uint32_t object_instance)
float Analog_Output_Present_Value(uint32_t object_instance)
{
float value = AO_RELINQUISH_DEFAULT;
unsigned index = 0;
@@ -137,6 +137,78 @@ static float Analog_Output_Present_Value(uint32_t object_instance)
return value;
}
unsigned Analog_Output_Present_Value_Priority(uint32_t object_instance)
{
unsigned index = 0; /* instance to index conversion */
unsigned i = 0; /* loop counter */
unsigned priority = 0; /* return value */
Analog_Output_Init();
index = Analog_Output_Instance_To_Index(object_instance);
if (index < MAX_ANALOG_OUTPUTS) {
for (i = 0; i < BACNET_MAX_PRIORITY; i++) {
if (Analog_Output_Level[index][i] != AO_LEVEL_NULL) {
priority = i + 1;
break;
}
}
}
return priority;
}
bool Analog_Output_Present_Value_Set(
uint32_t object_instance,
float value,
unsigned priority)
{
unsigned index = 0;
bool status = false;
index = Analog_Output_Instance_To_Index(object_instance);
if (index < MAX_ANALOG_OUTPUTS) {
if (priority && (priority <= BACNET_MAX_PRIORITY) &&
(priority != 6 /* reserved */ ) &&
(value >= 0.0) && (value <= 100.0)) {
Analog_Output_Level[index][priority] = 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;
}
bool Analog_Output_Present_Value_Relinquish(
uint32_t object_instance,
int priority)
{
unsigned index = 0;
bool status = false;
index = Analog_Output_Instance_To_Index(object_instance);
if (index < MAX_ANALOG_OUTPUTS) {
if (priority && (priority <= BACNET_MAX_PRIORITY) &&
(priority != 6 /* reserved */ )) {
Analog_Output_Level[index][priority] = AO_LEVEL_NULL;
/* 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;
}
/* note: the object name must be unique within this device */
char *Analog_Output_Name(uint32_t object_instance)
{
@@ -273,7 +345,6 @@ bool Analog_Output_Write_Property(BACNET_WRITE_PROPERTY_DATA * wp_data,
{
bool status = false; /* return value */
unsigned int object_index = 0;
unsigned int priority = 0;
uint8_t level = AO_LEVEL_NULL;
int len = 0;
BACNET_APPLICATION_DATA_VALUE value;
@@ -292,32 +363,20 @@ bool Analog_Output_Write_Property(BACNET_WRITE_PROPERTY_DATA * wp_data,
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_Output_Instance_To_Index(wp_data->
object_instance);
priority--;
Analog_Output_Level[object_index][priority] = 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) {
status = Analog_Output_Present_Value_Set(
wp_data->object_instance,
value.type.Real,
wp_data->priority);
if (wp_data->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 {
} else if (!status) {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
}
@@ -325,18 +384,10 @@ bool Analog_Output_Write_Property(BACNET_WRITE_PROPERTY_DATA * wp_data,
level = AO_LEVEL_NULL;
object_index =
Analog_Output_Instance_To_Index(wp_data->object_instance);
priority = wp_data->priority;
if (priority && (priority <= BACNET_MAX_PRIORITY)) {
priority--;
Analog_Output_Level[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 {
status = Analog_Output_Present_Value_Relinquish(
wp_data->object_instance,
wp_data->priority);
if (!status) {
*error_class = ERROR_CLASS_PROPERTY;
*error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
}
bacnet-stack/demo/object/ao.h
+10
View File
@@ -39,6 +39,16 @@ extern "C" {
unsigned Analog_Output_Count(void);
uint32_t Analog_Output_Index_To_Instance(unsigned index);
char *Analog_Output_Name(uint32_t object_instance);
float Analog_Output_Present_Value(uint32_t object_instance);
unsigned Analog_Output_Present_Value_Priority(uint32_t object_instance);
bool Analog_Output_Present_Value_Set(
uint32_t object_instance,
float value,
unsigned priority);
bool Analog_Output_Present_Value_Relinquish(
uint32_t object_instance,
int priority);
int Analog_Output_Encode_Property_APDU(uint8_t * apdu,
uint32_t object_instance,