| /* |
| * Licensed to the Apache Software Foundation (ASF) under one |
| * or more contributor license agreements. See the NOTICE file |
| * distributed with this work for additional information |
| * regarding copyright ownership. The ASF licenses this file |
| * to you under the Apache License, Version 2.0 (the |
| * "License"); you may not use this file except in compliance |
| * with the License. You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, |
| * software distributed under the License is distributed on an |
| * "AS IS" BASIS, WITHOUT WARRANTIES OR CONDITIONS OF ANY |
| * KIND, either express or implied. See the License for the |
| * specific language governing permissions and limitations |
| * under the License. |
| */ |
| |
| /** |
| * A simple app for LoRa phy testing. A typical usage scenario is: |
| * |
| * ##### Receiver |
| * # Sit on a single channel. |
| * lora set_freq 915000000 |
| * |
| * # Allow 250-byte packets. |
| * lora max_payload_len 1 250 |
| * |
| * # Configure LoRa receiver (specify no arguments for usage). |
| * lora rx_cfg 1 0 7 1 0 8 5 0 0 1 0 0 0 1 |
| * |
| * # Print message on each receive. |
| * lora_rx_verbose 1 |
| * |
| * # Clear receive log |
| * lora_rx_info clear |
| * |
| * # Keep receiving 50-byte packets until manual stop. |
| * lora_rx_rpt 50 |
| * |
| * # Display information about recent receives. |
| * lora_rx_info |
| * |
| * ##### Transmitter |
| * # Sit on a single channel. |
| * lora set_freq 915000000 |
| * |
| * # Allow 250-byte packets. |
| * lora max_payload_len 1 250 |
| * |
| * # Configure LoRa transceiver (specify no arguments for usage). |
| * lora tx_cfg 1 14 0 0 7 1 8 0 1 0 0 0 3000 |
| * |
| * # Send; size=50, count=5, interval=100ms. |
| * lora_tx_rpt 50 5 100 |
| */ |
| |
| #include <stdio.h> |
| #include <string.h> |
| #include <limits.h> |
| #include "os/mynewt.h" |
| #include "hal/hal_gpio.h" |
| #include "hal/hal_spi.h" |
| #include "bsp/bsp.h" |
| #include "radio/radio.h" |
| #include "console/console.h" |
| #include "shell/shell.h" |
| #include "parse/parse.h" |
| |
| struct lorashell_rx_entry { |
| uint16_t size; |
| int16_t rssi; |
| int8_t snr; |
| }; |
| |
| static struct lorashell_rx_entry |
| lorashell_rx_entries[MYNEWT_VAL(LORASHELL_NUM_RX_ENTRIES)]; |
| static int lorashell_rx_entry_idx; |
| static int lorashell_rx_entry_cnt; |
| |
| static int lorashell_rx_rpt; |
| static int lorashell_rx_size; |
| static int lorashell_rx_verbose; |
| static int lorashell_txes_pending; |
| static uint8_t lorashell_tx_size; |
| static uint32_t lorashell_tx_itvl; /* OS ticks. */ |
| |
| static int lorashell_rx_info_cmd(int argc, char **argv); |
| static int lorashell_rx_rpt_cmd(int argc, char **argv); |
| static int lorashell_rx_verbose_cmd(int argc, char **argv); |
| static int lorashell_tx_rpt_cmd(int argc, char **argv); |
| |
| static void lorashell_print_last_rx(struct os_event *ev); |
| |
| static struct shell_cmd lorashell_cli_cmds[] = { |
| { |
| .sc_cmd = "lora_rx_info", |
| .sc_cmd_func = lorashell_rx_info_cmd, |
| }, |
| { |
| .sc_cmd = "lora_rx_rpt", |
| .sc_cmd_func = lorashell_rx_rpt_cmd, |
| }, |
| { |
| .sc_cmd = "lora_rx_verbose", |
| .sc_cmd_func = lorashell_rx_verbose_cmd, |
| }, |
| { |
| .sc_cmd = "lora_tx_rpt", |
| .sc_cmd_func = lorashell_tx_rpt_cmd, |
| }, |
| }; |
| #define LORASHELL_NUM_CLI_CMDS \ |
| (sizeof lorashell_cli_cmds / sizeof lorashell_cli_cmds[0]) |
| |
| static struct os_event lorashell_print_last_rx_ev = { |
| .ev_cb = lorashell_print_last_rx, |
| }; |
| static struct os_callout lorashell_tx_timer; |
| |
| static const uint8_t lorashell_payload[UINT8_MAX] = { |
| 0x01, 0x02, 0x03, 0x04, 0x05, 0x06, 0x07, |
| 0x08, 0x09, 0x0a, 0x0b, 0x0c, 0x0d, 0x0e, 0x0f, |
| 0x10, 0x11, 0x12, 0x13, 0x14, 0x15, 0x16, 0x17, |
| 0x18, 0x19, 0x1a, 0x1b, 0x1c, 0x1d, 0x1e, 0x1f, |
| 0x20, 0x21, 0x22, 0x23, 0x24, 0x25, 0x26, 0x27, |
| 0x28, 0x29, 0x2a, 0x2b, 0x2c, 0x2d, 0x2e, 0x2f, |
| 0x30, 0x31, 0x32, 0x33, 0x34, 0x35, 0x36, 0x37, |
| 0x38, 0x39, 0x3a, 0x3b, 0x3c, 0x3d, 0x3e, 0x3f, |
| 0x40, 0x41, 0x42, 0x43, 0x44, 0x45, 0x46, 0x47, |
| 0x48, 0x49, 0x4a, 0x4b, 0x4c, 0x4d, 0x4e, 0x4f, |
| 0x50, 0x51, 0x52, 0x53, 0x54, 0x55, 0x56, 0x57, |
| 0x58, 0x59, 0x5a, 0x5b, 0x5c, 0x5d, 0x5e, 0x5f, |
| 0x60, 0x61, 0x62, 0x63, 0x64, 0x65, 0x66, 0x67, |
| 0x68, 0x69, 0x6a, 0x6b, 0x6c, 0x6d, 0x6e, 0x6f, |
| 0x70, 0x71, 0x72, 0x73, 0x74, 0x75, 0x76, 0x77, |
| 0x78, 0x79, 0x7a, 0x7b, 0x7c, 0x7d, 0x7e, 0x7f, |
| 0x80, 0x81, 0x82, 0x83, 0x84, 0x85, 0x86, 0x87, |
| 0x88, 0x89, 0x8a, 0x8b, 0x8c, 0x8d, 0x8e, 0x8f, |
| 0x90, 0x91, 0x92, 0x93, 0x94, 0x95, 0x96, 0x97, |
| 0x98, 0x99, 0x9a, 0x9b, 0x9c, 0x9d, 0x9e, 0x9f, |
| 0xa0, 0xa1, 0xa2, 0xa3, 0xa4, 0xa5, 0xa6, 0xa7, |
| 0xa8, 0xa9, 0xaa, 0xab, 0xac, 0xad, 0xae, 0xaf, |
| 0xb0, 0xb1, 0xb2, 0xb3, 0xb4, 0xb5, 0xb6, 0xb7, |
| 0xb8, 0xb9, 0xba, 0xbb, 0xbc, 0xbd, 0xbe, 0xbf, |
| 0xc0, 0xc1, 0xc2, 0xc3, 0xc4, 0xc5, 0xc6, 0xc7, |
| 0xc8, 0xc9, 0xca, 0xcb, 0xcc, 0xcd, 0xce, 0xcf, |
| 0xd0, 0xd1, 0xd2, 0xd3, 0xd4, 0xd5, 0xd6, 0xd7, |
| 0xd8, 0xd9, 0xda, 0xdb, 0xdc, 0xdd, 0xde, 0xdf, |
| 0xe0, 0xe1, 0xe2, 0xe3, 0xe4, 0xe5, 0xe6, 0xe7, |
| 0xe8, 0xe9, 0xea, 0xeb, 0xec, 0xed, 0xee, 0xef, |
| 0xf0, 0xf1, 0xf2, 0xf3, 0xf4, 0xf5, 0xf6, 0xf7, |
| 0xf8, 0xf9, 0xfa, 0xfb, 0xfc, 0xfd, 0xfe, 0xff, |
| }; |
| |
| static void |
| lorashell_rx_rpt_begin(void) |
| { |
| Radio.Rx(0); |
| } |
| |
| static void |
| lorashell_tx_timer_exp(struct os_event *ev) |
| { |
| if (lorashell_txes_pending <= 0) { |
| Radio.Sleep(); |
| return; |
| } |
| lorashell_txes_pending--; |
| |
| Radio.Send((void *)lorashell_payload, lorashell_tx_size); |
| } |
| |
| static const char * |
| lorashell_rx_entry_str(const struct lorashell_rx_entry *entry) |
| { |
| static char buf[32]; |
| |
| snprintf(buf, sizeof buf, "size=%-4d rssi=%-4d snr=%-4d", |
| entry->size, entry->rssi, entry->snr); |
| return buf; |
| } |
| |
| static void |
| lorashell_tx_timer_reset(void) |
| { |
| int rc; |
| |
| rc = os_callout_reset(&lorashell_tx_timer, lorashell_tx_itvl); |
| assert(rc == 0); |
| } |
| |
| static void |
| on_tx_done(void) |
| { |
| if (lorashell_txes_pending <= 0) { |
| Radio.Sleep(); |
| } else { |
| lorashell_tx_timer_reset(); |
| } |
| } |
| |
| static void |
| on_rx_done(uint8_t *payload, uint16_t size, int16_t rssi, int8_t snr) |
| { |
| struct lorashell_rx_entry *entry; |
| |
| if (lorashell_rx_size != 0) { |
| if (size != lorashell_rx_size || |
| memcmp(payload, lorashell_payload, size) != 0) { |
| |
| /* Packet error. */ |
| goto done; |
| } |
| } |
| |
| entry = lorashell_rx_entries + lorashell_rx_entry_idx; |
| entry->size = size; |
| entry->rssi = rssi; |
| entry->snr = snr; |
| |
| if (lorashell_rx_verbose) { |
| os_eventq_put(os_eventq_dflt_get(), &lorashell_print_last_rx_ev); |
| } |
| |
| lorashell_rx_entry_idx++; |
| if (lorashell_rx_entry_idx >= MYNEWT_VAL(LORASHELL_NUM_RX_ENTRIES)) { |
| lorashell_rx_entry_idx = 0; |
| } |
| |
| if (lorashell_rx_entry_cnt < MYNEWT_VAL(LORASHELL_NUM_RX_ENTRIES)) { |
| lorashell_rx_entry_cnt++; |
| } |
| |
| done: |
| Radio.Sleep(); |
| if (lorashell_rx_rpt) { |
| lorashell_rx_rpt_begin(); |
| } |
| } |
| |
| static void |
| on_tx_timeout(void) |
| { |
| assert(0); |
| lorashell_tx_timer_reset(); |
| } |
| |
| static void |
| on_rx_timeout(void) |
| { |
| Radio.Sleep(); |
| } |
| |
| static void |
| on_rx_error(void) |
| { |
| Radio.Sleep(); |
| } |
| |
| static void |
| lorashell_print_last_rx(struct os_event *ev) |
| { |
| const struct lorashell_rx_entry *entry; |
| int idx; |
| |
| idx = lorashell_rx_entry_idx - 1; |
| if (idx < 0) { |
| idx = lorashell_rx_entry_cnt - 1; |
| } |
| |
| entry = lorashell_rx_entries + idx; |
| console_printf("rxed lora packet: %s\n", lorashell_rx_entry_str(entry)); |
| } |
| |
| static void |
| lorashell_avg_rx_entry(struct lorashell_rx_entry *out_entry) |
| { |
| long long rssi_sum; |
| long long size_sum; |
| long long snr_sum; |
| int i; |
| |
| rssi_sum = 0; |
| size_sum = 0; |
| snr_sum = 0; |
| for (i = 0; i < lorashell_rx_entry_cnt; i++) { |
| rssi_sum += lorashell_rx_entries[i].rssi; |
| size_sum += lorashell_rx_entries[i].size; |
| snr_sum += lorashell_rx_entries[i].snr; |
| } |
| |
| memset(out_entry, 0, sizeof *out_entry); |
| if (lorashell_rx_entry_cnt > 0) { |
| out_entry->size = size_sum / lorashell_rx_entry_cnt; |
| out_entry->rssi = rssi_sum / lorashell_rx_entry_cnt; |
| out_entry->snr = snr_sum / lorashell_rx_entry_cnt; |
| } |
| } |
| |
| static int |
| lorashell_rx_rpt_cmd(int argc, char **argv) |
| { |
| const char *err; |
| int rc; |
| |
| if (argc > 1) { |
| if (strcmp(argv[1], "stop") == 0) { |
| lorashell_rx_rpt = 0; |
| Radio.Sleep(); |
| console_printf("lora rx stopped\n"); |
| return 0; |
| } |
| |
| lorashell_rx_size = parse_ull_bounds(argv[1], 0, UINT8_MAX, &rc); |
| if (rc != 0) { |
| err = "invalid size"; |
| goto err; |
| } |
| } else { |
| lorashell_rx_size = 0; |
| } |
| |
| lorashell_rx_rpt = 1; |
| lorashell_rx_rpt_begin(); |
| |
| return 0; |
| |
| err: |
| if (err != NULL) { |
| console_printf("error: %s\n", err); |
| } |
| |
| console_printf( |
| "usage:\n" |
| " lora_rx_rpt [size]\n" |
| " lora_rx_rpt stop\n"); |
| |
| return rc; |
| } |
| |
| static int |
| lorashell_rx_verbose_cmd(int argc, char **argv) |
| { |
| int rc; |
| |
| if (argc <= 1) { |
| console_printf("lora rx verbose: %d\n", lorashell_rx_verbose); |
| return 0; |
| } |
| |
| lorashell_rx_verbose = parse_ull_bounds(argv[1], 0, 1, &rc); |
| if (rc != 0) { |
| console_printf("error: rc=%d\n", rc); |
| return rc; |
| } |
| |
| return 0; |
| } |
| |
| static int |
| lorashell_rx_info_cmd(int argc, char **argv) |
| { |
| const struct lorashell_rx_entry *entry; |
| struct lorashell_rx_entry avg; |
| int idx; |
| int i; |
| |
| if (argc > 1 && argv[1][0] == 'c') { |
| lorashell_rx_entry_idx = 0; |
| lorashell_rx_entry_cnt = 0; |
| console_printf("lora rx info cleared\n"); |
| return 0; |
| } |
| |
| if (lorashell_rx_entry_cnt < MYNEWT_VAL(LORASHELL_NUM_RX_ENTRIES)) { |
| idx = 0; |
| } else { |
| idx = lorashell_rx_entry_idx; |
| } |
| |
| console_printf("entries in log: %d\n", lorashell_rx_entry_cnt); |
| |
| for (i = 0; i < lorashell_rx_entry_cnt; i++) { |
| entry = lorashell_rx_entries + idx; |
| console_printf("%4d: %s\n", i + 1, lorashell_rx_entry_str(entry)); |
| |
| idx++; |
| if (idx >= MYNEWT_VAL(LORASHELL_NUM_RX_ENTRIES)) { |
| idx = 0; |
| } |
| } |
| |
| if (lorashell_rx_entry_cnt > 0) { |
| lorashell_avg_rx_entry(&avg); |
| console_printf(" avg: %s\n", lorashell_rx_entry_str(&avg)); |
| } |
| |
| return 0; |
| } |
| |
| static int |
| lorashell_tx_rpt_cmd(int argc, char **argv) |
| { |
| const char *err; |
| uint32_t itvl_ms; |
| int rc; |
| |
| if (argc < 1) { |
| rc = 1; |
| err = NULL; |
| goto err; |
| } |
| |
| if (strcmp(argv[1], "stop") == 0) { |
| lorashell_txes_pending = 0; |
| Radio.Sleep(); |
| console_printf("lora tx stopped\n"); |
| return 0; |
| } |
| |
| lorashell_tx_size = parse_ull_bounds(argv[1], 0, UINT8_MAX, &rc); |
| if (rc != 0) { |
| err = "invalid size"; |
| goto err; |
| } |
| |
| if (argc >= 2) { |
| lorashell_txes_pending = parse_ull_bounds(argv[2], 0, INT_MAX, &rc); |
| if (rc != 0) { |
| err = "invalid count"; |
| goto err; |
| } |
| } else { |
| lorashell_txes_pending = 1; |
| } |
| |
| if (argc >= 3) { |
| itvl_ms = parse_ull_bounds(argv[3], 0, UINT32_MAX, &rc); |
| if (rc != 0) { |
| err = "invalid interval"; |
| goto err; |
| } |
| } else { |
| itvl_ms = 1000; |
| } |
| |
| rc = os_time_ms_to_ticks(itvl_ms, &lorashell_tx_itvl); |
| if (rc != 0) { |
| err = "invalid interval"; |
| goto err; |
| } |
| |
| lorashell_tx_timer_exp(NULL); |
| |
| return 0; |
| |
| err: |
| if (err != NULL) { |
| console_printf("error: %s\n", err); |
| } |
| |
| console_printf( |
| "usage:\n" |
| " lora_tx_rpt <size> [count] [interval (ms)]\n" |
| " lora_tx_rpt stop\n"); |
| |
| return rc; |
| } |
| |
| int |
| main(void) |
| { |
| RadioEvents_t radio_events; |
| int rc; |
| int i; |
| |
| #ifdef ARCH_sim |
| mcu_sim_parse_args(argc, argv); |
| #endif |
| |
| sysinit(); |
| |
| for (i = 0; i < LORASHELL_NUM_CLI_CMDS; i++) { |
| rc = shell_cmd_register(lorashell_cli_cmds + i); |
| SYSINIT_PANIC_ASSERT_MSG( |
| rc == 0, "Failed to register lorashell CLI commands"); |
| } |
| |
| os_callout_init(&lorashell_tx_timer, os_eventq_dflt_get(), |
| lorashell_tx_timer_exp, NULL); |
| |
| /* Radio initialization. */ |
| radio_events.TxDone = on_tx_done; |
| radio_events.RxDone = on_rx_done; |
| radio_events.TxTimeout = on_tx_timeout; |
| radio_events.RxTimeout = on_rx_timeout; |
| radio_events.RxError = on_rx_error; |
| |
| Radio.Init(&radio_events); |
| Radio.SetMaxPayloadLength(MODEM_LORA, 250); |
| |
| console_printf("lorashell\n"); |
| |
| /* |
| * As the last thing, process events from default event queue. |
| */ |
| while (1) { |
| os_eventq_run(os_eventq_dflt_get()); |
| } |
| } |