bool rs485_baud_rate_set(
uint32_t baud)
{
bool valid = true;
uint8_t baud_k = 0;
switch (baud) {
case 9600:
case 19200:
case 38400:
case 57600:
case 76800:
case 115200:
Baud_Rate = baud;
rs485_baud_rate_configure();
/* store the baud rate */
baud_k = baud / 1000;
eeprom_bytes_write(NV_EEPROM_BAUD_K, &baud_k, 1);
break;
default:
valid = false;
break;
}
return valid;
}
static void rs485_init_nvdata(
void)
{
uint8_t baud_k = 9; /* from EEPROM value */
eeprom_bytes_read(NV_EEPROM_BAUD_K, &baud_k, 1);
switch (baud_k) {
case 9:
Baud_Rate = 9600;
break;
case 19:
Baud_Rate = 19200;
break;
case 38:
Baud_Rate = 38400;
break;
case 57:
Baud_Rate = 57600;
break;
case 76:
Baud_Rate = 76800;
break;
case 115:
Baud_Rate = 115200;
break;
default:
/* not configured yet */
Baud_Rate = 38400;
baud_k = 38400 / 1000;
eeprom_bytes_write(NV_EEPROM_BAUD_K, &baud_k, 1);
break;
}
rs485_baud_rate_configure();
}
bool Device_Write_Property_Local(
BACNET_WRITE_PROPERTY_DATA * wp_data)
{
bool status = false; /* return value - false=error */
int len = 0;
BACNET_APPLICATION_DATA_VALUE value;
uint8_t max_master = 0;
/* 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? */
if (len < 0) {
/* error while decoding - a value larger than we can handle */
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
return false;
}
if ((wp_data->object_property != PROP_OBJECT_LIST) &&
(wp_data->array_index != BACNET_ARRAY_ALL)) {
/* only array properties can have array options */
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_PROPERTY_IS_NOT_AN_ARRAY;
return false;
}
switch ((int) wp_data->object_property) {
case PROP_OBJECT_IDENTIFIER:
if (value.tag == BACNET_APPLICATION_TAG_OBJECT_ID) {
if ((value.type.Object_Id.type == OBJECT_DEVICE) &&
(Device_Set_Object_Instance_Number(value.type.
Object_Id.instance))) {
eeprom_bytes_write(NV_EEPROM_DEVICE_0,
(uint8_t *) & value.type.Object_Id.instance, 4);
/* we could send an I-Am broadcast to let the world know */
status = true;
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
}
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
}
break;
case PROP_MAX_INFO_FRAMES:
if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
if (value.type.Unsigned_Int <= 255) {
dlmstp_set_max_info_frames(value.type.Unsigned_Int);
status = true;
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
}
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
}
break;
case PROP_MAX_MASTER:
if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
if ((value.type.Unsigned_Int > 0) &&
(value.type.Unsigned_Int <= 127)) {
max_master = value.type.Unsigned_Int;
dlmstp_set_max_master(max_master);
eeprom_bytes_write(NV_EEPROM_MAX_MASTER, &max_master, 1);
status = true;
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
}
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
}
break;
case PROP_OBJECT_NAME:
if (value.tag == BACNET_APPLICATION_TAG_CHARACTER_STRING) {
status =
bacnet_name_write_unique(NV_EEPROM_DEVICE_NAME,
wp_data->object_type, wp_data->object_instance,
&value.type.Character_String, &wp_data->error_class,
&wp_data->error_code);
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
}
break;
case PROP_DESCRIPTION:
if (value.tag == BACNET_APPLICATION_TAG_CHARACTER_STRING) {
status =
bacnet_name_write(NV_EEPROM_DEVICE_DESCRIPTION,
&value.type.Character_String, &wp_data->error_class,
&wp_data->error_code);
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
}
break;
case PROP_LOCATION:
if (value.tag == BACNET_APPLICATION_TAG_CHARACTER_STRING) {
status =
bacnet_name_write(NV_EEPROM_DEVICE_LOCATION,
&value.type.Character_String, &wp_data->error_class,
&wp_data->error_code);
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
}
break;
case 9600:
if (value.tag == BACNET_APPLICATION_TAG_UNSIGNED_INT) {
if ((value.type.Unsigned_Int <= 115200) &&
(rs485_baud_rate_set(value.type.Unsigned_Int))) {
status = true;
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_VALUE_OUT_OF_RANGE;
}
} else {
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_INVALID_DATA_TYPE;
}
break;
case PROP_OBJECT_TYPE:
case PROP_VENDOR_NAME:
case PROP_FIRMWARE_REVISION:
case PROP_APPLICATION_SOFTWARE_VERSION:
case PROP_DAYLIGHT_SAVINGS_STATUS:
case PROP_PROTOCOL_VERSION:
case PROP_PROTOCOL_REVISION:
case PROP_PROTOCOL_SERVICES_SUPPORTED:
case PROP_PROTOCOL_OBJECT_TYPES_SUPPORTED:
case PROP_OBJECT_LIST:
case PROP_MAX_APDU_LENGTH_ACCEPTED:
case PROP_SEGMENTATION_SUPPORTED:
case PROP_DEVICE_ADDRESS_BINDING:
case PROP_DATABASE_REVISION:
case 512:
case 513:
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_WRITE_ACCESS_DENIED;
break;
default:
wp_data->error_class = ERROR_CLASS_PROPERTY;
wp_data->error_code = ERROR_CODE_UNKNOWN_PROPERTY;
break;
}
return status;
}
