rf_configuration.h

00001 /*
00002  * Copyright (c) 2018 ARM Limited. All rights reserved.
00003  * SPDX-License-Identifier: Apache-2.0
00004  * Licensed under the Apache License, Version 2.0 (the License); you may
00005  * not use this file except in compliance with the License.
00006  * You may obtain a copy of the License at
00007  *
00008  * http://www.apache.org/licenses/LICENSE-2.0
00009  *
00010  * Unless required by applicable law or agreed to in writing, software
00011  * distributed under the License is distributed on an AS IS BASIS, WITHOUT
00012  * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00013  * See the License for the specific language governing permissions and
00014  * limitations under the License.
00015  */
00016 
00017 #ifndef RF_CONF_H_
00018 #define RF_CONF_H_
00019 
00020 #include <stdint.h>
00021 
00022 #ifdef __cplusplus
00023 extern "C" {
00024 #endif
00025 
00026 #define RSSI_OFFSET     146
00027 
00028 void rf_conf_calculate_datarate_registers(uint32_t datarate, uint16_t *datarate_mantissa, uint8_t *datarate_exponent);
00029 void rf_conf_calculate_base_frequency_registers(uint32_t frequency, uint8_t *synt3, uint8_t *synt2, uint8_t *synt1, uint8_t *synt0);
00030 void rf_conf_calculate_deviation_registers(uint32_t deviation, uint8_t *fdev_m, uint8_t *fdev_e);
00031 int rf_conf_calculate_channel_spacing_registers(uint32_t channel_spacing, uint8_t *ch_space);
00032 void rf_conf_calculate_rx_filter_bandwidth_registers(uint32_t rx_bandwidth, uint8_t *chflt_m, uint8_t *chflt_e);
00033 void rf_conf_calculate_rssi_threshold_registers(int16_t rssi_threshold, uint8_t *rssi_th);
00034 uint32_t rf_conf_calculate_deviation(phy_modulation_index_e modulation_index, uint32_t datarate);
00035 int16_t rf_conf_cca_threshold_percent_to_rssi(uint8_t percent);
00036 
00037 #ifdef __cplusplus
00038 }
00039 #endif
00040 
00041 #endif /* RF_CONF_H_ */