/** * @file * @brief API for BACnetLightingCommand and BACnetColorCommand * @author Steve Karg * @date June 2022 * @section LICENSE * * Copyright (C) 2022 Steve Karg * * SPDX-License-Identifier: GPL-2.0-or-later WITH GCC-exception-2.0 */ #include #include #include #include #include #include #include #include "bacnet/bacdcode.h" #include "bacnet/bacreal.h" #include "bacnet/lighting.h" /** @file lighting.c Manipulate BACnet lighting command values */ /** * Encodes into bytes from the lighting-command structure * * @param apdu - buffer to hold the bytes, or null for length * @param value - lighting command value to encode * * @return number of bytes encoded */ int lighting_command_encode(uint8_t *apdu, BACNET_LIGHTING_COMMAND *data) { int apdu_len = 0; /* total length of the apdu, return value */ int len = 0; /* total length of the apdu, return value */ uint8_t *apdu_offset = NULL; len = encode_context_enumerated(apdu, 0, data->operation); apdu_len += len; /* optional target-level */ if (data->use_target_level) { if (apdu) { apdu_offset = &apdu[apdu_len]; } len = encode_context_real(apdu_offset, 1, data->target_level); apdu_len += len; } /* optional ramp-rate */ if (data->use_ramp_rate) { if (apdu) { apdu_offset = &apdu[apdu_len]; } len = encode_context_real(apdu_offset, 2, data->ramp_rate); apdu_len += len; } /* optional step increment */ if (data->use_step_increment) { if (apdu) { apdu_offset = &apdu[apdu_len]; } len = encode_context_real(apdu_offset, 3, data->step_increment); apdu_len += len; } /* optional fade time */ if (data->use_fade_time) { if (apdu) { apdu_offset = &apdu[apdu_len]; } len = encode_context_unsigned(apdu_offset, 4, data->fade_time); apdu_len += len; } /* optional priority */ if (data->use_priority) { if (apdu) { apdu_offset = &apdu[apdu_len]; } len = encode_context_unsigned(apdu_offset, 5, data->priority); apdu_len += len; } return apdu_len; } /** * Encodes into bytes from the lighting-command structure * a context tagged chunk (opening and closing tag) * * @param apdu - buffer to hold the bytes * @param tag_number - tag number to encode this chunk * @param value - lighting command value to encode * * @return number of bytes encoded, or 0 if unable to encode. */ int lighting_command_encode_context( uint8_t *apdu, uint8_t tag_number, BACNET_LIGHTING_COMMAND *value) { int apdu_len = 0; uint8_t *apdu_offset = NULL; apdu_len += encode_opening_tag(apdu, tag_number); if (apdu) { apdu_offset = &apdu[apdu_len]; } apdu_len += lighting_command_encode(apdu_offset, value); if (apdu) { apdu_offset = &apdu[apdu_len]; } apdu_len += encode_closing_tag(apdu_offset, tag_number); return apdu_len; } /** * Decodes from bytes into the lighting-command structure * * @param apdu - buffer to hold the bytes * @param apdu_max_len - number of bytes in the buffer to decode * @param value - lighting command value to place the decoded values * * @return number of bytes decoded */ int lighting_command_decode( uint8_t *apdu, unsigned apdu_max_len, BACNET_LIGHTING_COMMAND *data) { int len = 0; int apdu_len = 0; uint8_t tag_number = 0; uint32_t len_value_type = 0; uint32_t enum_value = 0; BACNET_UNSIGNED_INTEGER unsigned_value = 0; BACNET_LIGHTING_OPERATION operation = BACNET_LIGHTS_NONE; float real_value = 0.0; /* check for value pointers */ if (apdu_max_len) { /* Tag 0: operation */ if (!decode_is_context_tag(&apdu[apdu_len], 0)) { return BACNET_STATUS_ERROR; } len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_enumerated(&apdu[apdu_len], len_value_type, &enum_value); if (len > 0) { if (unsigned_value <= BACNET_LIGHTS_PROPRIETARY_LAST) { if (data) { data->operation = (BACNET_LIGHTING_OPERATION)enum_value; } } else { return BACNET_STATUS_ERROR; } } apdu_len += len; } switch (operation) { case BACNET_LIGHTS_NONE: break; case BACNET_LIGHTS_FADE_TO: if ((apdu_max_len - apdu_len) == 0) { return BACNET_STATUS_REJECT; } /* Tag 1: target-level */ if (decode_is_context_tag(&apdu[apdu_len], 1)) { len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_real(&apdu[apdu_len], &real_value); apdu_len += len; if (data) { data->target_level = real_value; data->use_target_level = true; } } else { if (data) { data->use_target_level = false; } } if ((apdu_max_len - apdu_len) != 0) { /* Tag 4: fade-time - OPTIONAL */ if (decode_is_context_tag(&apdu[apdu_len], 4)) { len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_unsigned( &apdu[apdu_len], len_value_type, &unsigned_value); apdu_len += len; if (data) { data->fade_time = (uint32_t)unsigned_value; data->use_fade_time = true; } } else { if (data) { data->use_fade_time = false; } } } if ((apdu_max_len - apdu_len) != 0) { /* Tag 5: priority - OPTIONAL */ if (decode_is_context_tag(&apdu[apdu_len], 4)) { len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_unsigned( &apdu[apdu_len], len_value_type, &unsigned_value); apdu_len += len; if (data) { data->priority = (uint8_t)unsigned_value; data->use_priority = true; } } else { if (data) { data->use_priority = false; } } } break; case BACNET_LIGHTS_RAMP_TO: if ((apdu_max_len - apdu_len) == 0) { return BACNET_STATUS_REJECT; } /* Tag 1: target-level */ if (decode_is_context_tag(&apdu[apdu_len], 1)) { len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_real(&apdu[apdu_len], &real_value); apdu_len += len; if (data) { data->target_level = real_value; data->use_target_level = true; } } else { if (data) { data->use_target_level = false; } } if ((apdu_max_len - apdu_len) != 0) { /* Tag 2: ramp-rate - OPTIONAL */ if (decode_is_context_tag(&apdu[apdu_len], 2)) { len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_real(&apdu[apdu_len], &real_value); apdu_len += len; if (data) { data->ramp_rate = real_value; data->use_ramp_rate = true; } } else { if (data) { data->use_ramp_rate = false; } } } if ((apdu_max_len - apdu_len) != 0) { /* Tag 5: priority - OPTIONAL */ if (decode_is_context_tag(&apdu[apdu_len], 4)) { len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_unsigned( &apdu[apdu_len], len_value_type, &unsigned_value); apdu_len += len; if (data) { data->priority = (uint8_t)unsigned_value; data->use_priority = true; } } else { if (data) { data->use_priority = false; } } } break; case BACNET_LIGHTS_STEP_UP: case BACNET_LIGHTS_STEP_DOWN: case BACNET_LIGHTS_STEP_ON: case BACNET_LIGHTS_STEP_OFF: if ((apdu_max_len - apdu_len) != 0) { /* Tag 3: step-increment - OPTIONAL */ if (decode_is_context_tag(&apdu[apdu_len], 3)) { len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_real(&apdu[apdu_len], &real_value); apdu_len += len; if (data) { data->step_increment = real_value; data->use_step_increment = true; } } else { if (data) { data->use_step_increment = false; } } } if ((apdu_max_len - apdu_len) != 0) { /* Tag 5: priority - OPTIONAL */ if (decode_is_context_tag(&apdu[apdu_len], 4)) { len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_unsigned( &apdu[apdu_len], len_value_type, &unsigned_value); apdu_len += len; if (data) { data->priority = (uint8_t)unsigned_value; data->use_priority = true; } } else { if (data) { data->use_priority = false; } } } break; case BACNET_LIGHTS_WARN: case BACNET_LIGHTS_WARN_OFF: case BACNET_LIGHTS_WARN_RELINQUISH: case BACNET_LIGHTS_STOP: if ((apdu_max_len - apdu_len) != 0) { /* Tag 5: priority - OPTIONAL */ if (decode_is_context_tag(&apdu[apdu_len], 4)) { len = decode_tag_number_and_value( &apdu[apdu_len], &tag_number, &len_value_type); apdu_len += len; len = decode_unsigned( &apdu[apdu_len], len_value_type, &unsigned_value); apdu_len += len; if (data) { data->priority = (uint8_t)unsigned_value; data->use_priority = true; } } else { if (data) { data->use_priority = false; } } } break; default: break; } return apdu_len; } /** * Copies one lighting-command structure to another * * @param dst - lighting command value target * @param src - lighting command value source * * @return true if copy succeeded */ bool lighting_command_copy( BACNET_LIGHTING_COMMAND *dst, BACNET_LIGHTING_COMMAND *src) { bool status = false; if (dst && src) { dst->operation = src->operation; dst->use_target_level = src->use_target_level; dst->use_ramp_rate = src->use_ramp_rate; dst->use_step_increment = src->use_step_increment; dst->use_fade_time = src->use_fade_time; dst->use_priority = src->use_priority; dst->target_level = src->target_level; dst->ramp_rate = src->ramp_rate; dst->step_increment = src->step_increment; dst->fade_time = src->fade_time; dst->priority = src->priority; status = true; } return status; } /** * Compare one lighting-command structure to another * * @param dst - lighting command value target * @param src - lighting command value source * * @return true if lighting-commands are the same for values in-use */ bool lighting_command_same( BACNET_LIGHTING_COMMAND *dst, BACNET_LIGHTING_COMMAND *src) { bool status = false; if (dst && src) { if ((dst->operation == src->operation) && (dst->use_target_level == src->use_target_level) && (dst->use_ramp_rate == src->use_ramp_rate) && (dst->use_step_increment == src->use_step_increment) && (dst->use_fade_time == src->use_fade_time) && (dst->use_priority == src->use_priority)) { status = true; if ((dst->use_target_level) && islessgreater(dst->target_level, src->target_level)) { status = false; } if ((dst->use_ramp_rate) && islessgreater(dst->ramp_rate, src->ramp_rate)) { status = false; } if ((dst->use_step_increment) && islessgreater(dst->step_increment, src->step_increment)) { status = false; } if ((dst->use_fade_time) && (dst->fade_time != src->fade_time)) { status = false; } if ((dst->use_priority) && (dst->priority != src->priority)) { status = false; } } } return status; } /** * @brief Encode a BACnetxyColor complex data type * * BACnetxyColor::= SEQUENCE { * x-coordinate REAL, --(0.0 to 1.0) * y-coordinate REAL --(0.0 to 1.0) * } * @param apdu - the APDU buffer, or NULL for length * @param value - BACnetxyColor structure * @return length of the encoded APDU buffer */ int xy_color_encode(uint8_t *apdu, BACNET_XY_COLOR *value) { int len = 0; int apdu_len = 0; uint8_t *apdu_offset = NULL; if (value) { /* x-coordinate REAL */ if (apdu) { apdu_offset = &apdu[apdu_len]; } len = encode_bacnet_real(value->x_coordinate, apdu_offset); apdu_len += len; /* y-coordinate REAL */ if (apdu) { apdu_offset = &apdu[apdu_len]; } len = encode_bacnet_real(value->y_coordinate, apdu_offset); apdu_len += len; } return apdu_len; } /** * @brief Encode a context tagged BACnetxyColor complex data type * @param apdu - the APDU buffer * @param tag_number - the APDU buffer size * @param value - BACnetxyColor structure * @return length of the APDU buffer, or 0 if not able to encode */ int xy_color_context_encode( uint8_t *apdu, uint8_t tag_number, BACNET_XY_COLOR *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 = xy_color_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 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_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; }