Steve Karg
b91735af13
* Enable extra GCC warnings to discover subtle bugs * convert c++ comments to c comments * cleanup pedantic compiler warnings * Compile apps with GNU89 GNU99 GNU11 and GNU17 Co-authored-by: Steve Karg <skarg@users.sourceforge.net>
1134 lines
38 KiB
C
1134 lines
38 KiB
C
/**
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* @file
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* @brief API for BACnetLightingCommand and BACnetColorCommand
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* @author Steve Karg <skarg@users.sourceforge.net>
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* @date June 2022
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* @section LICENSE
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*
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* Copyright (C) 2022 Steve Karg <skarg@users.sourceforge.net>
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*
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* SPDX-License-Identifier: GPL-2.0-or-later WITH GCC-exception-2.0
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*/
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#include <stdint.h>
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#include <stdbool.h>
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#include <string.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <ctype.h>
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#include <math.h>
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#include "bacnet/bacdcode.h"
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#include "bacnet/bacreal.h"
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#include "bacnet/lighting.h"
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/** @file lighting.c Manipulate BACnet lighting command values */
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/**
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* Encodes into bytes from the lighting-command structure
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*
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* @param apdu - buffer to hold the bytes, or null for length
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* @param value - lighting command value to encode
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*
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* @return number of bytes encoded
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*/
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int lighting_command_encode(uint8_t *apdu, BACNET_LIGHTING_COMMAND *data)
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{
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int apdu_len = 0; /* total length of the apdu, return value */
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int len = 0; /* total length of the apdu, return value */
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uint8_t *apdu_offset = NULL;
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len = encode_context_enumerated(apdu, 0, data->operation);
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apdu_len += len;
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/* optional target-level */
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if (data->use_target_level) {
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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len = encode_context_real(apdu_offset, 1, data->target_level);
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apdu_len += len;
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}
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/* optional ramp-rate */
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if (data->use_ramp_rate) {
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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len = encode_context_real(apdu_offset, 2, data->ramp_rate);
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apdu_len += len;
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}
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/* optional step increment */
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if (data->use_step_increment) {
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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len = encode_context_real(apdu_offset, 3, data->step_increment);
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apdu_len += len;
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}
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/* optional fade time */
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if (data->use_fade_time) {
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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len = encode_context_unsigned(apdu_offset, 4, data->fade_time);
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apdu_len += len;
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}
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/* optional priority */
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if (data->use_priority) {
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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len = encode_context_unsigned(apdu_offset, 5, data->priority);
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apdu_len += len;
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}
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return apdu_len;
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}
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/**
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* Encodes into bytes from the lighting-command structure
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* a context tagged chunk (opening and closing tag)
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*
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* @param apdu - buffer to hold the bytes
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* @param tag_number - tag number to encode this chunk
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* @param value - lighting command value to encode
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*
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* @return number of bytes encoded, or 0 if unable to encode.
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*/
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int lighting_command_encode_context(
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uint8_t *apdu, uint8_t tag_number, BACNET_LIGHTING_COMMAND *value)
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{
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int apdu_len = 0;
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uint8_t *apdu_offset = NULL;
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apdu_len += encode_opening_tag(apdu, tag_number);
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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apdu_len += lighting_command_encode(apdu_offset, value);
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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apdu_len += encode_closing_tag(apdu_offset, tag_number);
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return apdu_len;
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}
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/**
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* Decodes from bytes into the lighting-command structure
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*
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* @param apdu - buffer to hold the bytes
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* @param apdu_max_len - number of bytes in the buffer to decode
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* @param value - lighting command value to place the decoded values
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*
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* @return number of bytes decoded
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*/
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int lighting_command_decode(
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uint8_t *apdu, unsigned apdu_max_len, BACNET_LIGHTING_COMMAND *data)
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{
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int len = 0;
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int apdu_len = 0;
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uint8_t tag_number = 0;
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uint32_t len_value_type = 0;
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uint32_t enum_value = 0;
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BACNET_UNSIGNED_INTEGER unsigned_value = 0;
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BACNET_LIGHTING_OPERATION operation = BACNET_LIGHTS_NONE;
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float real_value = 0.0;
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/* check for value pointers */
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if (apdu_max_len) {
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/* Tag 0: operation */
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if (!decode_is_context_tag(&apdu[apdu_len], 0)) {
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return BACNET_STATUS_ERROR;
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}
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_enumerated(&apdu[apdu_len], len_value_type, &enum_value);
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if (len > 0) {
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if (unsigned_value <= BACNET_LIGHTS_PROPRIETARY_LAST) {
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if (data) {
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data->operation = (BACNET_LIGHTING_OPERATION)enum_value;
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}
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} else {
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return BACNET_STATUS_ERROR;
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}
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}
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apdu_len += len;
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}
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switch (operation) {
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case BACNET_LIGHTS_NONE:
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break;
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case BACNET_LIGHTS_FADE_TO:
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if ((apdu_max_len - apdu_len) == 0) {
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return BACNET_STATUS_REJECT;
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}
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/* Tag 1: target-level */
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if (decode_is_context_tag(&apdu[apdu_len], 1)) {
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_real(&apdu[apdu_len], &real_value);
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apdu_len += len;
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if (data) {
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data->target_level = real_value;
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data->use_target_level = true;
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}
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} else {
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if (data) {
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data->use_target_level = false;
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}
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}
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if ((apdu_max_len - apdu_len) != 0) {
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/* Tag 4: fade-time - OPTIONAL */
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if (decode_is_context_tag(&apdu[apdu_len], 4)) {
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_unsigned(
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&apdu[apdu_len], len_value_type, &unsigned_value);
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apdu_len += len;
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if (data) {
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data->fade_time = (uint32_t)unsigned_value;
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data->use_fade_time = true;
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}
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} else {
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if (data) {
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data->use_fade_time = false;
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}
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}
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}
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if ((apdu_max_len - apdu_len) != 0) {
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/* Tag 5: priority - OPTIONAL */
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if (decode_is_context_tag(&apdu[apdu_len], 4)) {
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_unsigned(
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&apdu[apdu_len], len_value_type, &unsigned_value);
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apdu_len += len;
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if (data) {
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data->priority = (uint8_t)unsigned_value;
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data->use_priority = true;
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}
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} else {
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if (data) {
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data->use_priority = false;
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}
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}
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}
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break;
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case BACNET_LIGHTS_RAMP_TO:
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if ((apdu_max_len - apdu_len) == 0) {
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return BACNET_STATUS_REJECT;
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}
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/* Tag 1: target-level */
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if (decode_is_context_tag(&apdu[apdu_len], 1)) {
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_real(&apdu[apdu_len], &real_value);
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apdu_len += len;
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if (data) {
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data->target_level = real_value;
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data->use_target_level = true;
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}
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} else {
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if (data) {
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data->use_target_level = false;
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}
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}
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if ((apdu_max_len - apdu_len) != 0) {
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/* Tag 2: ramp-rate - OPTIONAL */
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if (decode_is_context_tag(&apdu[apdu_len], 2)) {
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_real(&apdu[apdu_len], &real_value);
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apdu_len += len;
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if (data) {
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data->ramp_rate = real_value;
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data->use_ramp_rate = true;
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}
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} else {
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if (data) {
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data->use_ramp_rate = false;
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}
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}
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}
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if ((apdu_max_len - apdu_len) != 0) {
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/* Tag 5: priority - OPTIONAL */
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if (decode_is_context_tag(&apdu[apdu_len], 4)) {
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_unsigned(
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&apdu[apdu_len], len_value_type, &unsigned_value);
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apdu_len += len;
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if (data) {
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data->priority = (uint8_t)unsigned_value;
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data->use_priority = true;
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}
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} else {
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if (data) {
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data->use_priority = false;
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}
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}
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}
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break;
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case BACNET_LIGHTS_STEP_UP:
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case BACNET_LIGHTS_STEP_DOWN:
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case BACNET_LIGHTS_STEP_ON:
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case BACNET_LIGHTS_STEP_OFF:
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if ((apdu_max_len - apdu_len) != 0) {
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/* Tag 3: step-increment - OPTIONAL */
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if (decode_is_context_tag(&apdu[apdu_len], 3)) {
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_real(&apdu[apdu_len], &real_value);
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apdu_len += len;
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if (data) {
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data->step_increment = real_value;
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data->use_step_increment = true;
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}
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} else {
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if (data) {
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data->use_step_increment = false;
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}
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}
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}
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if ((apdu_max_len - apdu_len) != 0) {
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/* Tag 5: priority - OPTIONAL */
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if (decode_is_context_tag(&apdu[apdu_len], 4)) {
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_unsigned(
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&apdu[apdu_len], len_value_type, &unsigned_value);
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apdu_len += len;
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if (data) {
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data->priority = (uint8_t)unsigned_value;
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data->use_priority = true;
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}
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} else {
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if (data) {
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data->use_priority = false;
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}
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}
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}
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break;
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case BACNET_LIGHTS_WARN:
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case BACNET_LIGHTS_WARN_OFF:
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case BACNET_LIGHTS_WARN_RELINQUISH:
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case BACNET_LIGHTS_STOP:
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if ((apdu_max_len - apdu_len) != 0) {
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/* Tag 5: priority - OPTIONAL */
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if (decode_is_context_tag(&apdu[apdu_len], 4)) {
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len = decode_tag_number_and_value(
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&apdu[apdu_len], &tag_number, &len_value_type);
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apdu_len += len;
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len = decode_unsigned(
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&apdu[apdu_len], len_value_type, &unsigned_value);
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apdu_len += len;
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if (data) {
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data->priority = (uint8_t)unsigned_value;
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data->use_priority = true;
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}
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} else {
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if (data) {
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data->use_priority = false;
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}
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}
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}
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break;
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default:
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break;
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}
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return apdu_len;
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}
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/**
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* Copies one lighting-command structure to another
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*
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* @param dst - lighting command value target
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* @param src - lighting command value source
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*
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* @return true if copy succeeded
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*/
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bool lighting_command_copy(
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BACNET_LIGHTING_COMMAND *dst, BACNET_LIGHTING_COMMAND *src)
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{
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bool status = false;
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if (dst && src) {
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dst->operation = src->operation;
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dst->use_target_level = src->use_target_level;
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dst->use_ramp_rate = src->use_ramp_rate;
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dst->use_step_increment = src->use_step_increment;
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dst->use_fade_time = src->use_fade_time;
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dst->use_priority = src->use_priority;
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dst->target_level = src->target_level;
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dst->ramp_rate = src->ramp_rate;
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dst->step_increment = src->step_increment;
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dst->fade_time = src->fade_time;
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dst->priority = src->priority;
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status = true;
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}
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return status;
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}
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/**
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* Compare one lighting-command structure to another
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*
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* @param dst - lighting command value target
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* @param src - lighting command value source
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*
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* @return true if lighting-commands are the same for values in-use
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*/
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bool lighting_command_same(
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BACNET_LIGHTING_COMMAND *dst, BACNET_LIGHTING_COMMAND *src)
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{
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bool status = false;
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if (dst && src) {
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if ((dst->operation == src->operation) &&
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(dst->use_target_level == src->use_target_level) &&
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(dst->use_ramp_rate == src->use_ramp_rate) &&
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(dst->use_step_increment == src->use_step_increment) &&
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(dst->use_fade_time == src->use_fade_time) &&
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(dst->use_priority == src->use_priority)) {
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status = true;
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if ((dst->use_target_level) &&
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islessgreater(dst->target_level, src->target_level)) {
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status = false;
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}
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if ((dst->use_ramp_rate) &&
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islessgreater(dst->ramp_rate, src->ramp_rate)) {
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status = false;
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}
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if ((dst->use_step_increment) &&
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islessgreater(dst->step_increment, src->step_increment)) {
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status = false;
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}
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if ((dst->use_fade_time) && (dst->fade_time != src->fade_time)) {
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status = false;
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}
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if ((dst->use_priority) && (dst->priority != src->priority)) {
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status = false;
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}
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}
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}
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return status;
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}
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/**
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* @brief Encode a BACnetxyColor complex data type
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*
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* BACnetxyColor::= SEQUENCE {
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* x-coordinate REAL, --(0.0 to 1.0)
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* y-coordinate REAL --(0.0 to 1.0)
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* }
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* @param apdu - the APDU buffer, or NULL for length
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* @param value - BACnetxyColor structure
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* @return length of the encoded APDU buffer
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*/
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int xy_color_encode(uint8_t *apdu, BACNET_XY_COLOR *value)
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{
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int len = 0;
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int apdu_len = 0;
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uint8_t *apdu_offset = NULL;
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if (value) {
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/* x-coordinate REAL */
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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len = encode_bacnet_real(value->x_coordinate, apdu_offset);
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apdu_len += len;
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/* y-coordinate REAL */
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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len = encode_bacnet_real(value->y_coordinate, apdu_offset);
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apdu_len += len;
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}
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return apdu_len;
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}
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/**
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* @brief Encode a context tagged BACnetxyColor complex data type
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* @param apdu - the APDU buffer
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* @param tag_number - the APDU buffer size
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* @param value - BACnetxyColor structure
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* @return length of the APDU buffer, or 0 if not able to encode
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*/
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int xy_color_context_encode(
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uint8_t *apdu, uint8_t tag_number, BACNET_XY_COLOR *value)
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{
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int len = 0;
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int apdu_len = 0;
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uint8_t *apdu_offset = NULL;
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if (value) {
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apdu_offset = apdu;
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len = encode_opening_tag(apdu_offset, tag_number);
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apdu_len += len;
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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len = xy_color_encode(apdu_offset, value);
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apdu_len += len;
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if (apdu) {
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apdu_offset = &apdu[apdu_len];
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}
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len = encode_closing_tag(apdu_offset, tag_number);
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apdu_len += len;
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}
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return apdu_len;
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}
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/**
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* @brief Decode the BACnetxyColor complex data type Value
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|
*
|
|
* @param apdu - buffer of data to be decoded
|
|
* @param apdu_size - the size of the data buffer
|
|
* @param value - decoded BACnetxyColor, if decoded
|
|
*
|
|
* @return the number of apdu bytes consumed
|
|
*/
|
|
int xy_color_decode(uint8_t *apdu, uint32_t apdu_size, BACNET_XY_COLOR *value)
|
|
{
|
|
float real_value;
|
|
int len = 0;
|
|
int apdu_len = 0;
|
|
|
|
if (apdu && value && (apdu_size >= 8)) {
|
|
/* each REAL is encoded in 4 octets */
|
|
len = decode_real(&apdu[0], &real_value);
|
|
if (len == 4) {
|
|
if (value) {
|
|
value->x_coordinate = real_value;
|
|
}
|
|
apdu_len += len;
|
|
}
|
|
len = decode_real(&apdu[4], &real_value);
|
|
if (len == 4) {
|
|
if (value) {
|
|
value->y_coordinate = real_value;
|
|
}
|
|
apdu_len += len;
|
|
}
|
|
}
|
|
|
|
return apdu_len;
|
|
}
|
|
|
|
/**
|
|
* @brief Decode the BACnetxyColor complex data type Value
|
|
*
|
|
* @param apdu - buffer of data to be decoded
|
|
* @param apdu_size - the size of the data buffer
|
|
* @param value - decoded BACnetxyColor, if decoded
|
|
*
|
|
* @return the number of apdu bytes consumed
|
|
*/
|
|
int xy_color_context_decode(uint8_t *apdu,
|
|
uint32_t apdu_size,
|
|
uint8_t tag_number,
|
|
BACNET_XY_COLOR *value)
|
|
{
|
|
int len = 0;
|
|
int rlen = 0;
|
|
int apdu_len = 0;
|
|
BACNET_XY_COLOR color = { 0.0, 0.0 };
|
|
|
|
if (apdu_size > 0) {
|
|
if (decode_is_opening_tag_number(&apdu[apdu_len], tag_number)) {
|
|
apdu_len += 1;
|
|
len =
|
|
xy_color_decode(&apdu[apdu_len], apdu_size - apdu_len, &color);
|
|
if (len > 0) {
|
|
apdu_len += len;
|
|
if (value) {
|
|
value->x_coordinate = color.x_coordinate;
|
|
value->y_coordinate = color.y_coordinate;
|
|
}
|
|
if ((apdu_size - apdu_len) > 0) {
|
|
if (decode_is_closing_tag_number(
|
|
&apdu[apdu_len], tag_number)) {
|
|
apdu_len += 1;
|
|
rlen = apdu_len;
|
|
}
|
|
}
|
|
}
|
|
}
|
|
}
|
|
|
|
return rlen;
|
|
}
|
|
|
|
/**
|
|
* @brief Copy the BACnetxyColor complex data from src to dst
|
|
* @param dst - destination BACNET_XY_COLOR structure
|
|
* @param src - source BACNET_XY_COLOR structure
|
|
* @return true if successfully copied
|
|
*/
|
|
int xy_color_copy(BACNET_XY_COLOR *dst, BACNET_XY_COLOR *src)
|
|
{
|
|
bool status = false;
|
|
|
|
if (dst && src) {
|
|
dst->x_coordinate = src->x_coordinate;
|
|
dst->y_coordinate = src->y_coordinate;
|
|
status = true;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Compare the BACnetxyColor complex data
|
|
* @param value1 - BACNET_XY_COLOR structure
|
|
* @param value2 - BACNET_XY_COLOR structure
|
|
* @return true if the same
|
|
*/
|
|
bool xy_color_same(BACNET_XY_COLOR *value1, BACNET_XY_COLOR *value2)
|
|
{
|
|
bool status = false;
|
|
|
|
if (value1 && value2) {
|
|
if (!islessgreater(value1->x_coordinate, value2->x_coordinate) &&
|
|
!islessgreater(value1->y_coordinate, value2->y_coordinate)) {
|
|
status = true;
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Encode a BACnetColorCommand complex data type
|
|
*
|
|
* BACnetColorCommand structure ::= SEQUENCE {
|
|
* operation [0] BACnetColorOperation,
|
|
* target-color [1] BACnetxyColor OPTIONAL,
|
|
* target-color-temperature [2] Unsigned OPTIONAL,
|
|
* fade-time [3] Unsigned (100.. 86400000) OPTIONAL,
|
|
* ramp-rate [4] Unsigned (1..30000) OPTIONAL,
|
|
* step-increment [5] Unsigned (1..30000) OPTIONAL
|
|
* }
|
|
*
|
|
* @param apdu - the APDU buffer, or NULL for length
|
|
* @param value - BACnetColorCommand structure
|
|
* @return length of the encoded APDU buffer
|
|
*/
|
|
int color_command_encode(uint8_t *apdu, BACNET_COLOR_COMMAND *value)
|
|
{
|
|
int len = 0;
|
|
int apdu_len = 0;
|
|
uint8_t *apdu_offset = NULL;
|
|
BACNET_UNSIGNED_INTEGER unsigned_value;
|
|
|
|
if (value) {
|
|
/* operation [0] BACnetColorOperation */
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
len = encode_context_enumerated(apdu_offset, 0, value->operation);
|
|
apdu_len += len;
|
|
switch (value->operation) {
|
|
case BACNET_COLOR_OPERATION_NONE:
|
|
break;
|
|
case BACNET_COLOR_OPERATION_FADE_TO_COLOR:
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
/* target-color [1] BACnetxyColor */
|
|
len = xy_color_context_encode(
|
|
apdu_offset, 1, &value->target.color);
|
|
apdu_len += len;
|
|
if ((value->transit.fade_time >= BACNET_COLOR_FADE_TIME_MIN) &&
|
|
(value->transit.fade_time <= BACNET_COLOR_FADE_TIME_MAX)) {
|
|
/* fade-time [3] Unsigned (100.. 86400000) */
|
|
unsigned_value = value->transit.fade_time;
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
len =
|
|
encode_context_unsigned(apdu_offset, 3, unsigned_value);
|
|
apdu_len += len;
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_FADE_TO_CCT:
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
/* target-color-temperature [2] Unsigned */
|
|
unsigned_value = value->target.color_temperature;
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
len = encode_context_unsigned(apdu_offset, 2, unsigned_value);
|
|
apdu_len += len;
|
|
if ((value->transit.fade_time >= BACNET_COLOR_FADE_TIME_MIN) &&
|
|
(value->transit.fade_time <= BACNET_COLOR_FADE_TIME_MAX)) {
|
|
/* fade-time [3] Unsigned (100.. 86400000) */
|
|
unsigned_value = value->transit.fade_time;
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
len =
|
|
encode_context_unsigned(apdu_offset, 3, unsigned_value);
|
|
apdu_len += len;
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_RAMP_TO_CCT:
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
/* target-color-temperature [2] Unsigned */
|
|
unsigned_value = value->target.color_temperature;
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
len = encode_context_unsigned(apdu_offset, 2, unsigned_value);
|
|
apdu_len += len;
|
|
if ((value->transit.ramp_rate >= BACNET_COLOR_RAMP_RATE_MIN) &&
|
|
(value->transit.ramp_rate <= BACNET_COLOR_RAMP_RATE_MAX)) {
|
|
/* ramp-rate [4] Unsigned (1..30000) */
|
|
unsigned_value = value->transit.ramp_rate;
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
len =
|
|
encode_context_unsigned(apdu_offset, 4, unsigned_value);
|
|
apdu_len += len;
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_STEP_UP_CCT:
|
|
case BACNET_COLOR_OPERATION_STEP_DOWN_CCT:
|
|
if ((value->transit.step_increment >=
|
|
BACNET_COLOR_STEP_INCREMENT_MIN) &&
|
|
(value->transit.step_increment <=
|
|
BACNET_COLOR_STEP_INCREMENT_MAX)) {
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
/* step-increment [5] Unsigned (1..30000) */
|
|
unsigned_value = value->transit.step_increment;
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
len =
|
|
encode_context_unsigned(apdu_offset, 5, unsigned_value);
|
|
apdu_len += len;
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_STOP:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return apdu_len;
|
|
}
|
|
|
|
/**
|
|
* @brief Encode a context tagged BACnetColorCommand complex data type
|
|
* @param apdu - the APDU buffer
|
|
* @param tag_number - the APDU buffer size
|
|
* @param address - IP address and port number
|
|
* @return length of the APDU buffer, or 0 if not able to encode
|
|
*/
|
|
int color_command_context_encode(
|
|
uint8_t *apdu, uint8_t tag_number, BACNET_COLOR_COMMAND *value)
|
|
{
|
|
int len = 0;
|
|
int apdu_len = 0;
|
|
uint8_t *apdu_offset = NULL;
|
|
|
|
if (value) {
|
|
apdu_offset = apdu;
|
|
len = encode_opening_tag(apdu_offset, tag_number);
|
|
apdu_len += len;
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
len = color_command_encode(apdu_offset, value);
|
|
apdu_len += len;
|
|
if (apdu) {
|
|
apdu_offset = &apdu[apdu_len];
|
|
}
|
|
len = encode_closing_tag(apdu_offset, tag_number);
|
|
apdu_len += len;
|
|
}
|
|
|
|
return apdu_len;
|
|
}
|
|
|
|
/**
|
|
* @brief Decode the BACnetColorCommand complex data
|
|
*
|
|
* BACnetColorCommand ::= SEQUENCE {
|
|
* operation [0] BACnetColorOperation,
|
|
* target-color [1] BACnetxyColor OPTIONAL,
|
|
* target-color-temperature [2] Unsigned OPTIONAL,
|
|
* fade-time [3] Unsigned (100.. 86400000) OPTIONAL,
|
|
* ramp-rate [4] Unsigned (1..30000) OPTIONAL,
|
|
* step-increment [5] Unsigned (1..30000) OPTIONAL
|
|
* }
|
|
*
|
|
* @param apdu - the APDU buffer
|
|
* @param apdu_len - the APDU buffer length
|
|
* @param value - BACnetColorCommand structure values
|
|
* @return length of the APDU buffer decoded, or ERROR, REJECT, or ABORT
|
|
*/
|
|
int color_command_decode(uint8_t *apdu,
|
|
uint16_t apdu_size,
|
|
BACNET_ERROR_CODE *error_code,
|
|
BACNET_COLOR_COMMAND *value)
|
|
{
|
|
int len = 0;
|
|
int apdu_len = 0;
|
|
BACNET_UNSIGNED_INTEGER unsigned_value = 0;
|
|
BACNET_COLOR_OPERATION operation = BACNET_COLOR_OPERATION_NONE;
|
|
BACNET_XY_COLOR color;
|
|
|
|
/* default reject code */
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
/* check for value pointers */
|
|
if ((apdu_size == 0) || (!apdu)) {
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
/* operation [0] BACnetColorOperation */
|
|
len = bacnet_unsigned_context_decode(
|
|
apdu, apdu_size - apdu_len, 0, &unsigned_value);
|
|
if (len <= 0) {
|
|
if (len == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_INVALID_TAG;
|
|
}
|
|
} else {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
apdu_len += len;
|
|
if (unsigned_value >= BACNET_COLOR_OPERATION_MAX) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_PARAMETER_OUT_OF_RANGE;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
operation = (BACNET_COLOR_OPERATION)unsigned_value;
|
|
if (value) {
|
|
value->operation = operation;
|
|
}
|
|
switch (operation) {
|
|
case BACNET_COLOR_OPERATION_NONE:
|
|
break;
|
|
case BACNET_COLOR_OPERATION_FADE_TO_COLOR:
|
|
/* target-color [1] BACnetxyColor */
|
|
if ((apdu_size - apdu_len) == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
len = xy_color_context_decode(
|
|
&apdu[apdu_len], apdu_size - apdu_len, 1, &color);
|
|
if (len == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
apdu_len += len;
|
|
if (value) {
|
|
value->target.color.x_coordinate = color.x_coordinate;
|
|
value->target.color.y_coordinate = color.y_coordinate;
|
|
}
|
|
if ((apdu_size - apdu_len) != 0) {
|
|
/* fade-time [3] Unsigned (100.. 86400000) OPTIONAL */
|
|
len = bacnet_unsigned_context_decode(
|
|
&apdu[apdu_len], apdu_size - apdu_len, 3, &unsigned_value);
|
|
if (len <= 0) {
|
|
if (len == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_INVALID_TAG;
|
|
}
|
|
} else {
|
|
if (error_code) {
|
|
*error_code =
|
|
ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
apdu_len += len;
|
|
if ((unsigned_value < BACNET_COLOR_FADE_TIME_MIN) ||
|
|
(unsigned_value > BACNET_COLOR_FADE_TIME_MAX)) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_PARAMETER_OUT_OF_RANGE;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
if (value) {
|
|
value->transit.fade_time = unsigned_value;
|
|
}
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_FADE_TO_CCT:
|
|
/* target-color-temperature [2] Unsigned */
|
|
if ((apdu_size - apdu_len) == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
len = bacnet_unsigned_context_decode(
|
|
apdu, apdu_size - apdu_len, 2, &unsigned_value);
|
|
if (len <= 0) {
|
|
if (len == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_INVALID_TAG;
|
|
}
|
|
} else {
|
|
if (error_code) {
|
|
*error_code =
|
|
ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
apdu_len += len;
|
|
if (unsigned_value > UINT16_MAX) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_PARAMETER_OUT_OF_RANGE;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
if (value) {
|
|
value->target.color_temperature = unsigned_value;
|
|
}
|
|
if ((apdu_size - apdu_len) != 0) {
|
|
/* fade-time [3] Unsigned (100.. 86400000) OPTIONAL */
|
|
len = bacnet_unsigned_context_decode(
|
|
&apdu[apdu_len], apdu_size - apdu_len, 3, &unsigned_value);
|
|
if (len <= 0) {
|
|
if (len == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_INVALID_TAG;
|
|
}
|
|
} else {
|
|
if (error_code) {
|
|
*error_code =
|
|
ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
apdu_len += len;
|
|
if ((unsigned_value < BACNET_COLOR_FADE_TIME_MIN) ||
|
|
(unsigned_value > BACNET_COLOR_FADE_TIME_MAX)) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_PARAMETER_OUT_OF_RANGE;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
if (value) {
|
|
value->transit.fade_time = unsigned_value;
|
|
}
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_RAMP_TO_CCT:
|
|
/* target-color-temperature [2] Unsigned */
|
|
if ((apdu_size - apdu_len) == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
len = bacnet_unsigned_context_decode(
|
|
apdu, apdu_size - apdu_len, 2, &unsigned_value);
|
|
if (len <= 0) {
|
|
if (len == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_INVALID_TAG;
|
|
}
|
|
} else {
|
|
if (error_code) {
|
|
*error_code =
|
|
ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
apdu_len += len;
|
|
if (unsigned_value > UINT16_MAX) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_PARAMETER_OUT_OF_RANGE;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
if (value) {
|
|
value->target.color_temperature = unsigned_value;
|
|
}
|
|
if ((apdu_size - apdu_len) != 0) {
|
|
/* ramp-rate [4] Unsigned (1..30000) */
|
|
len = bacnet_unsigned_context_decode(
|
|
&apdu[apdu_len], apdu_size - apdu_len, 4, &unsigned_value);
|
|
if (len <= 0) {
|
|
if (len == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_INVALID_TAG;
|
|
}
|
|
} else {
|
|
if (error_code) {
|
|
*error_code =
|
|
ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
apdu_len += len;
|
|
if ((unsigned_value < BACNET_COLOR_RAMP_RATE_MIN) ||
|
|
(unsigned_value > BACNET_COLOR_RAMP_RATE_MAX)) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_PARAMETER_OUT_OF_RANGE;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
if (value) {
|
|
value->transit.ramp_rate = unsigned_value;
|
|
}
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_STEP_UP_CCT:
|
|
case BACNET_COLOR_OPERATION_STEP_DOWN_CCT:
|
|
/* step-increment [5] Unsigned (1..30000) */
|
|
if ((apdu_size - apdu_len) == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
len = bacnet_unsigned_context_decode(
|
|
apdu, apdu_size - apdu_len, 3, &unsigned_value);
|
|
if (len <= 0) {
|
|
if (len == 0) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_INVALID_TAG;
|
|
}
|
|
} else {
|
|
if (error_code) {
|
|
*error_code =
|
|
ERROR_CODE_REJECT_MISSING_REQUIRED_PARAMETER;
|
|
}
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
apdu_len += len;
|
|
if ((unsigned_value < BACNET_COLOR_STEP_INCREMENT_MIN) ||
|
|
(unsigned_value > BACNET_COLOR_STEP_INCREMENT_MAX)) {
|
|
if (error_code) {
|
|
*error_code = ERROR_CODE_REJECT_PARAMETER_OUT_OF_RANGE;
|
|
}
|
|
return BACNET_STATUS_REJECT;
|
|
}
|
|
if (value) {
|
|
value->transit.step_increment = unsigned_value;
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_STOP:
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return apdu_len;
|
|
}
|
|
|
|
/**
|
|
* @brief Copy the BACnetColorCommand complex data from src to dst
|
|
* @param dst - destination structure
|
|
* @param src - source structure
|
|
* @return true if successfully copied
|
|
*/
|
|
bool color_command_copy(BACNET_COLOR_COMMAND *dst, BACNET_COLOR_COMMAND *src)
|
|
{
|
|
bool status = false;
|
|
|
|
if (dst && src) {
|
|
memcpy(dst, src, sizeof(BACNET_COLOR_COMMAND));
|
|
status = true;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* @brief Compare the BACnetColorCommand complex data
|
|
* @param value1 - BACNET_COLOR_COMMAND structure
|
|
* @param value2 - BACNET_COLOR_COMMAND structure
|
|
* @return true if the same
|
|
*/
|
|
bool color_command_same(
|
|
BACNET_COLOR_COMMAND *value1, BACNET_COLOR_COMMAND *value2)
|
|
{
|
|
bool status = false;
|
|
|
|
if (value1 && value2 && (value1->operation == value2->operation)) {
|
|
switch (value1->operation) {
|
|
case BACNET_COLOR_OPERATION_NONE:
|
|
status = true;
|
|
break;
|
|
case BACNET_COLOR_OPERATION_FADE_TO_COLOR:
|
|
if (!islessgreater(value1->target.color.x_coordinate,
|
|
value2->target.color.x_coordinate) &&
|
|
!islessgreater(value1->target.color.y_coordinate,
|
|
value2->target.color.y_coordinate) &&
|
|
(value1->transit.fade_time == value2->transit.fade_time)) {
|
|
status = true;
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_FADE_TO_CCT:
|
|
if ((value1->target.color_temperature ==
|
|
value2->target.color_temperature) &&
|
|
(value1->transit.fade_time == value2->transit.fade_time)) {
|
|
status = true;
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_RAMP_TO_CCT:
|
|
if ((value1->target.color_temperature ==
|
|
value2->target.color_temperature) &&
|
|
(value1->transit.ramp_rate == value2->transit.ramp_rate)) {
|
|
status = true;
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_STEP_UP_CCT:
|
|
case BACNET_COLOR_OPERATION_STEP_DOWN_CCT:
|
|
if (value1->transit.step_increment ==
|
|
value2->transit.step_increment) {
|
|
status = true;
|
|
}
|
|
break;
|
|
case BACNET_COLOR_OPERATION_STOP:
|
|
status = true;
|
|
break;
|
|
default:
|
|
break;
|
|
}
|
|
}
|
|
|
|
return status;
|
|
}
|