Test_LoRaPHYUS915.cpp

00001 /*
00002  * Copyright (c) 2018, Arm Limited and affiliates
00003  * SPDX-License-Identifier: Apache-2.0
00004  *
00005  * Licensed under the Apache License, Version 2.0 (the "License");
00006  * you may not use this file except in compliance with the License.
00007  * You may obtain a copy of the License at
00008  *
00009  *     http://www.apache.org/licenses/LICENSE-2.0
00010  *
00011  * Unless required by applicable law or agreed to in writing, software
00012  * distributed under the License is distributed on an "AS IS" BASIS,
00013  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
00014  * See the License for the specific language governing permissions and
00015  * limitations under the License.
00016  */
00017 
00018 #include "gtest/gtest.h"
00019 #include "LoRaPHYUS915.h"
00020 #include "LoRaPHY_stub.h"
00021 
00022 class my_radio : public LoRaRadio
00023 {
00024 public:
00025 
00026     virtual void init_radio(radio_events_t *events){};
00027 
00028     virtual void radio_reset(){};
00029 
00030     virtual void sleep(void){};
00031 
00032     virtual void standby(void){};
00033 
00034     virtual void set_rx_config (radio_modems_t modem, uint32_t bandwidth,
00035                                    uint32_t datarate, uint8_t coderate,
00036                                    uint32_t bandwidth_afc, uint16_t preamble_len,
00037                                    uint16_t symb_timeout, bool fix_len,
00038                                    uint8_t payload_len,
00039                                    bool crc_on, bool freq_hop_on, uint8_t hop_period,
00040                                    bool iq_inverted, bool rx_continuous){};
00041 
00042     virtual void set_tx_config(radio_modems_t modem, int8_t power, uint32_t fdev,
00043                                   uint32_t bandwidth, uint32_t datarate,
00044                                   uint8_t coderate, uint16_t preamble_len,
00045                                   bool fix_len, bool crc_on, bool freq_hop_on,
00046                                   uint8_t hop_period, bool iq_inverted, uint32_t timeout){};
00047 
00048     virtual void send(uint8_t *buffer, uint8_t size){};
00049 
00050     virtual void receive(void){};
00051 
00052     virtual void set_channel(uint32_t freq){};
00053 
00054     virtual uint32_t random(void){};
00055 
00056     virtual uint8_t get_status(void){return uint8_value;};
00057 
00058     virtual void set_max_payload_length(radio_modems_t modem, uint8_t max){};
00059 
00060     virtual void set_public_network(bool enable){};
00061 
00062     virtual uint32_t time_on_air(radio_modems_t modem, uint8_t pkt_len){};
00063 
00064     virtual bool perform_carrier_sense(radio_modems_t modem,
00065                                            uint32_t freq,
00066                                            int16_t rssi_threshold,
00067                                            uint32_t max_carrier_sense_time){ return bool_value;};
00068 
00069     virtual void start_cad(void){};
00070 
00071     virtual bool check_rf_frequency(uint32_t frequency){ return bool_value; };
00072 
00073     virtual void set_tx_continuous_wave(uint32_t freq, int8_t power, uint16_t time){};
00074 
00075     virtual void lock(void){};
00076 
00077     virtual void unlock(void){};
00078 
00079     bool bool_value;
00080     uint8_t uint8_value;
00081 };
00082 
00083 class Test_LoRaPHYUS915 : public testing::Test {
00084 protected:
00085     LoRaPHYUS915 *object;
00086     my_radio radio;
00087 
00088     virtual void SetUp()
00089     {
00090         LoRaPHY_stub::radio = &radio;
00091         object = new LoRaPHYUS915();
00092     }
00093 
00094     virtual void TearDown()
00095     {
00096         LoRaPHY_stub::radio = NULL;
00097         delete object;
00098     }
00099 };
00100 
00101 TEST_F(Test_LoRaPHYUS915, constructor)
00102 {
00103     EXPECT_TRUE(object);
00104 }
00105 
00106 TEST_F(Test_LoRaPHYUS915, restore_default_channels)
00107 {
00108     object->restore_default_channels();
00109 }
00110 
00111 TEST_F(Test_LoRaPHYUS915, rx_config)
00112 {
00113     rx_config_params_t  p;
00114 
00115     radio.uint8_value = 1;
00116     EXPECT_TRUE(!object->rx_config(&p));
00117 
00118     radio.uint8_value = 0;
00119     p.is_repeater_supported  = true;
00120     EXPECT_TRUE(object->rx_config(&p));
00121 
00122     p.is_repeater_supported  = false;
00123     EXPECT_TRUE(object->rx_config(&p));
00124 }
00125 
00126 TEST_F(Test_LoRaPHYUS915, tx_config)
00127 {
00128     tx_config_params_t p;
00129     int8_t tx;
00130     lorawan_time_t time;
00131     EXPECT_TRUE(object->tx_config(&p, &tx, &time));
00132 }
00133 
00134 TEST_F(Test_LoRaPHYUS915, link_ADR_request)
00135 {
00136     adr_req_params_t params;
00137     int8_t dr_out;
00138     int8_t tx_power_out;
00139     uint8_t nb_rep_out;
00140     uint8_t nb_bytes_parsed;
00141 
00142     EXPECT_TRUE(0 == object->link_ADR_request(&params, &dr_out, &tx_power_out, &nb_rep_out, &nb_bytes_parsed));
00143 
00144     LoRaPHY_stub::uint8_value = 1;
00145     LoRaPHY_stub::ch_mask_value = 6;
00146     LoRaPHY_stub::adr_parse_count = 2;
00147     EXPECT_TRUE(1 == object->link_ADR_request(&params, &dr_out, &tx_power_out, &nb_rep_out, &nb_bytes_parsed));
00148 
00149     LoRaPHY_stub::adr_parse_count = 2;
00150     LoRaPHY_stub::ch_mask_value = 7;
00151     EXPECT_TRUE(1 == object->link_ADR_request(&params, &dr_out, &tx_power_out, &nb_rep_out, &nb_bytes_parsed));
00152 
00153     LoRaPHY_stub::adr_parse_count = 2;
00154     LoRaPHY_stub::ch_mask_value = 5;
00155     LoRaPHY_stub::uint8_value = 6;
00156     EXPECT_TRUE(6 == object->link_ADR_request(&params, &dr_out, &tx_power_out, &nb_rep_out, &nb_bytes_parsed));
00157 
00158     LoRaPHY_stub::adr_parse_count = 2;
00159     LoRaPHY_stub::ch_mask_value = 66;
00160     LoRaPHY_stub::uint8_value = 7;
00161     EXPECT_TRUE(7 == object->link_ADR_request(&params, &dr_out, &tx_power_out, &nb_rep_out, &nb_bytes_parsed));
00162 }
00163 
00164 TEST_F(Test_LoRaPHYUS915, accept_rx_param_setup_req)
00165 {
00166     rx_param_setup_req_t p;
00167     EXPECT_TRUE(0 == object->accept_rx_param_setup_req(&p));
00168 
00169     radio.bool_value = true;
00170     p.frequency = 923300000 - 1;
00171     EXPECT_TRUE(0 == object->accept_rx_param_setup_req(&p));
00172 
00173     radio.bool_value = true;
00174     p.frequency = 927500000 + 1;
00175     p.datarate = 6;
00176     LoRaPHY_stub::bool_counter = 0;
00177     LoRaPHY_stub::bool_table[0] = true;
00178     EXPECT_TRUE(2 == object->accept_rx_param_setup_req(&p));
00179 }
00180 
00181 TEST_F(Test_LoRaPHYUS915, get_alternate_DR)
00182 {
00183     EXPECT_TRUE(0 == object->get_alternate_DR(0));
00184 
00185     EXPECT_TRUE(4 == object->get_alternate_DR(1));
00186 }
00187 
00188 TEST_F(Test_LoRaPHYUS915, set_next_channel)
00189 {
00190     channel_selection_params_t params;
00191     uint8_t channel;
00192     lorawan_time_t time;
00193     lorawan_time_t timeoff;
00194 
00195     params.current_datarate = 4;
00196     params.aggregate_timeoff = 0;
00197     LoRaPHY_stub::uint8_value = 0;
00198     EXPECT_TRUE(LORAWAN_STATUS_NO_CHANNEL_FOUND == object->set_next_channel(&params, &channel, &time, &timeoff));
00199 
00200     radio.bool_value = false;
00201     params.aggregate_timeoff = 1;
00202     EXPECT_TRUE(LORAWAN_STATUS_DUTYCYCLE_RESTRICTED == object->set_next_channel(&params, &channel, &time, &timeoff));
00203 
00204     params.aggregate_timeoff = 0;
00205     LoRaPHY_stub::uint8_value = 1;
00206     EXPECT_TRUE(LORAWAN_STATUS_OK == object->set_next_channel(&params, &channel, &time, &timeoff));
00207 }
00208 
00209 TEST_F(Test_LoRaPHYUS915, apply_DR_offset)
00210 {
00211     //10, 9, 8, 8
00212     //11, 10, 9, 8
00213     //12, 11, 10, 9
00214     //13, 12, 11, 10
00215     //13, 13, 12, 11
00216 
00217     for (int i = 0; i < 5; i++) {
00218         for (int j=0; j < 4; j++ ) {
00219             uint8_t val = 10 + i;
00220             val -= j;
00221             if (val > 13) val = 13;
00222             if (val < 8) val = 8;
00223             EXPECT_TRUE(val == object->apply_DR_offset(i, j));
00224         }
00225     }
00226 }
00227 
00228 TEST_F(Test_LoRaPHYUS915, set_tx_cont_mode)
00229 {
00230     cw_mode_params_t  p;
00231     object->set_tx_cont_mode(&p, 0);
00232 
00233     p.datarate  = 4;
00234     object->set_tx_cont_mode(&p, 0);
00235 }