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Threshold based smart position broadcasts (#2388)

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* Overhaul smart broadcast with new thresholds

* Fixed badly spelt protos

* That's not the right thing

* Format specifiers

* Fmt

* Units

* Default distance threshold of 100
This commit is contained in:
Ben Meadors 2023-03-27 14:09:22 -05:00 committed by GitHub
parent 1af7e48136
commit 23272daffe
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GPG Key ID: 4AEE18F83AFDEB23
6 changed files with 36 additions and 35 deletions
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2
protobufs

@ -1 +1 @@
Subproject commit a73083db549d7f0a4e47b0ebd5e6d363f130fcf9
Subproject commit 2b55d8421b2f872f8c50e001bd107a2bc56a5157

6
src/mesh/NodeDB.cpp
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@ -165,6 +165,8 @@ void NodeDB::installDefaultConfig()
config.lora.hop_limit = HOP_RELIABLE;
config.position.gps_enabled = true;
config.position.position_broadcast_smart_enabled = true;
config.position.broadcast_smart_minimum_distance = 100;
config.position.broadcast_smart_minimum_interval_secs = 30;
if (config.device.role != meshtastic_Config_DeviceConfig_Role_ROUTER)
config.device.node_info_broadcast_secs = 3 * 60 * 60;
config.device.serial_enabled = true;
@ -231,9 +233,7 @@ void NodeDB::installRoleDefaults(meshtastic_Config_DeviceConfig_Role role)
} else if (role == meshtastic_Config_DeviceConfig_Role_REPEATER) {
config.display.screen_on_secs = 1;
} else if (role == meshtastic_Config_DeviceConfig_Role_TRACKER) {
config.position.position_broadcast_smart_enabled = false;
config.position.position_broadcast_secs = 120;
config.position.gps_update_interval = 60;
config.position.gps_update_interval = 30;
} else if (role == meshtastic_Config_DeviceConfig_Role_SENSOR) {
moduleConfig.telemetry.environment_measurement_enabled = true;
moduleConfig.telemetry.environment_update_interval = 300;

16
src/mesh/generated/meshtastic/config.pb.h
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@ -262,6 +262,10 @@ typedef struct _meshtastic_Config_PositionConfig {
uint32_t rx_gpio;
/* (Re)define GPS_TX_PIN for your board. */
uint32_t tx_gpio;
/* The minimum distance in meters traveled (since the last send) before we can send a position to the mesh if position_broadcast_smart_enabled */
uint32_t broadcast_smart_minimum_distance;
/* The minumum number of seconds (since the last send) before we can send a position to the mesh if position_broadcast_smart_enabled */
uint32_t broadcast_smart_minimum_interval_secs;
} meshtastic_Config_PositionConfig;
/* Power Config\
@ -524,7 +528,7 @@ extern "C" {
/* Initializer values for message structs */
#define meshtastic_Config_init_default {0, {meshtastic_Config_DeviceConfig_init_default}}
#define meshtastic_Config_DeviceConfig_init_default {_meshtastic_Config_DeviceConfig_Role_MIN, 0, 0, 0, 0, _meshtastic_Config_DeviceConfig_RebroadcastMode_MIN, 0}
#define meshtastic_Config_PositionConfig_init_default {0, 0, 0, 0, 0, 0, 0, 0, 0}
#define meshtastic_Config_PositionConfig_init_default {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
#define meshtastic_Config_PowerConfig_init_default {0, 0, 0, 0, 0, 0, 0, 0}
#define meshtastic_Config_NetworkConfig_init_default {0, "", "", "", 0, _meshtastic_Config_NetworkConfig_AddressMode_MIN, false, meshtastic_Config_NetworkConfig_IpV4Config_init_default, ""}
#define meshtastic_Config_NetworkConfig_IpV4Config_init_default {0, 0, 0, 0}
@ -533,7 +537,7 @@ extern "C" {
#define meshtastic_Config_BluetoothConfig_init_default {0, _meshtastic_Config_BluetoothConfig_PairingMode_MIN, 0}
#define meshtastic_Config_init_zero {0, {meshtastic_Config_DeviceConfig_init_zero}}
#define meshtastic_Config_DeviceConfig_init_zero {_meshtastic_Config_DeviceConfig_Role_MIN, 0, 0, 0, 0, _meshtastic_Config_DeviceConfig_RebroadcastMode_MIN, 0}
#define meshtastic_Config_PositionConfig_init_zero {0, 0, 0, 0, 0, 0, 0, 0, 0}
#define meshtastic_Config_PositionConfig_init_zero {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0}
#define meshtastic_Config_PowerConfig_init_zero {0, 0, 0, 0, 0, 0, 0, 0}
#define meshtastic_Config_NetworkConfig_init_zero {0, "", "", "", 0, _meshtastic_Config_NetworkConfig_AddressMode_MIN, false, meshtastic_Config_NetworkConfig_IpV4Config_init_zero, ""}
#define meshtastic_Config_NetworkConfig_IpV4Config_init_zero {0, 0, 0, 0}
@ -558,6 +562,8 @@ extern "C" {
#define meshtastic_Config_PositionConfig_position_flags_tag 7
#define meshtastic_Config_PositionConfig_rx_gpio_tag 8
#define meshtastic_Config_PositionConfig_tx_gpio_tag 9
#define meshtastic_Config_PositionConfig_broadcast_smart_minimum_distance_tag 10
#define meshtastic_Config_PositionConfig_broadcast_smart_minimum_interval_secs_tag 11
#define meshtastic_Config_PowerConfig_is_power_saving_tag 1
#define meshtastic_Config_PowerConfig_on_battery_shutdown_after_secs_tag 2
#define meshtastic_Config_PowerConfig_adc_multiplier_override_tag 3
@ -653,7 +659,9 @@ X(a, STATIC, SINGULAR, UINT32, gps_update_interval, 5) \
X(a, STATIC, SINGULAR, UINT32, gps_attempt_time, 6) \
X(a, STATIC, SINGULAR, UINT32, position_flags, 7) \
X(a, STATIC, SINGULAR, UINT32, rx_gpio, 8) \
X(a, STATIC, SINGULAR, UINT32, tx_gpio, 9)
X(a, STATIC, SINGULAR, UINT32, tx_gpio, 9) \
X(a, STATIC, SINGULAR, UINT32, broadcast_smart_minimum_distance, 10) \
X(a, STATIC, SINGULAR, UINT32, broadcast_smart_minimum_interval_secs, 11)
#define meshtastic_Config_PositionConfig_CALLBACK NULL
#define meshtastic_Config_PositionConfig_DEFAULT NULL
@ -758,7 +766,7 @@ extern const pb_msgdesc_t meshtastic_Config_BluetoothConfig_msg;
#define meshtastic_Config_LoRaConfig_size 77
#define meshtastic_Config_NetworkConfig_IpV4Config_size 20
#define meshtastic_Config_NetworkConfig_size 195
#define meshtastic_Config_PositionConfig_size 42
#define meshtastic_Config_PositionConfig_size 54
#define meshtastic_Config_PowerConfig_size 43
#define meshtastic_Config_size 198

2
src/mesh/generated/meshtastic/deviceonly.pb.h
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@ -188,7 +188,7 @@ extern const pb_msgdesc_t meshtastic_OEMStore_msg;
/* Maximum encoded size of messages (where known) */
#define meshtastic_ChannelFile_size 638
#define meshtastic_DeviceState_size 22040
#define meshtastic_OEMStore_size 3008
#define meshtastic_OEMStore_size 3020
#ifdef __cplusplus
} /* extern "C" */

2
src/mesh/generated/meshtastic/localonly.pb.h
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@ -156,7 +156,7 @@ extern const pb_msgdesc_t meshtastic_LocalModuleConfig_msg;
#define meshtastic_LocalModuleConfig_fields &meshtastic_LocalModuleConfig_msg
/* Maximum encoded size of messages (where known) */
#define meshtastic_LocalConfig_size 442
#define meshtastic_LocalConfig_size 454
#define meshtastic_LocalModuleConfig_size 420
#ifdef __cplusplus

43
src/modules/PositionModule.cpp
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@ -144,10 +144,10 @@ int32_t PositionModule::runOnce()
// We limit our GPS broadcasts to a max rate
uint32_t now = millis();
uint32_t intervalMs = config.position.position_broadcast_secs > 0 ? config.position.position_broadcast_secs * 1000
: default_broadcast_interval_secs * 1000;
if (lastGpsSend == 0 || (now - lastGpsSend) >= intervalMs) {
uint32_t intervalMs = getConfiguredOrDefaultMs(config.position.position_broadcast_secs, default_broadcast_interval_secs);
uint32_t msSinceLastSend = now - lastGpsSend;
if (lastGpsSend == 0 || msSinceLastSend >= intervalMs) {
// Only send packets if the channel is less than 40% utilized.
if (airTime->isTxAllowedChannelUtil()) {
if (node->has_position && (node->position.latitude_i != 0 || node->position.longitude_i != 0)) {
@ -165,39 +165,32 @@ int32_t PositionModule::runOnce()
}
}
} else if (config.position.position_broadcast_smart_enabled) {
// Only send packets if the channel is less than 25% utilized.
if (airTime->isTxAllowedChannelUtil(true)) {
// Only send packets if the channel is less than 25% utilized or we're a tracker.
if (airTime->isTxAllowedChannelUtil(config.device.role != meshtastic_Config_DeviceConfig_Role_TRACKER)) {
meshtastic_NodeInfo *node2 = service.refreshMyNodeInfo(); // should guarantee there is now a position
if (node2->has_position && (node2->position.latitude_i != 0 || node2->position.longitude_i != 0)) {
// The minimum distance to travel before we are able to send a new position packet.
const uint32_t distanceTravelMinimum = 30;
const uint32_t distanceTravelThreshold =
config.position.broadcast_smart_minimum_distance > 0 ? config.position.broadcast_smart_minimum_distance : 100;
// The minimum time that would pass before we are able to send a new position packet.
const uint32_t timeTravelMinimum = 30;
// The minimum time (in seconds) that would pass before we are able to send a new position packet.
const uint32_t minimumTimeThreshold =
getConfiguredOrDefaultMs(config.position.broadcast_smart_minimum_interval_secs, 30);
// Determine the distance in meters between two points on the globe
float distance = GeoCoord::latLongToMeter(lastGpsLatitude * 1e-7, lastGpsLongitude * 1e-7,
node->position.latitude_i * 1e-7, node->position.longitude_i * 1e-7);
float distanceTraveledSinceLastSend =
GeoCoord::latLongToMeter(lastGpsLatitude * 1e-7, lastGpsLongitude * 1e-7, node->position.latitude_i * 1e-7,
node->position.longitude_i * 1e-7);
// Yes, this has a bunch of magic numbers. Sorry. This is to make the scale non-linear.
const float distanceTravelMath = 1203 / (sqrt(pow(myNodeInfo.bitrate, 1.5) / 1.1));
uint32_t distanceTravelThreshold =
(distanceTravelMath >= distanceTravelMinimum) ? distanceTravelMath : distanceTravelMinimum;
// Yes, this has a bunch of magic numbers. Sorry.
uint32_t timeTravel =
((1500 / myNodeInfo.bitrate) >= timeTravelMinimum) ? (1500 / myNodeInfo.bitrate) : timeTravelMinimum;
// If the distance traveled since the last update is greater than distanceTravelMinimum meters
// and it's been at least timeTravelMinimum seconds since the last update
if ((abs(distance) >= distanceTravelThreshold) && (now - lastGpsSend) >= (timeTravel * 1000)) {
if ((abs(distanceTraveledSinceLastSend) >= distanceTravelThreshold) && msSinceLastSend >= minimumTimeThreshold) {
bool requestReplies = currentGeneration != radioGeneration;
currentGeneration = radioGeneration;
LOG_INFO("Sending smart pos@%x:6 to mesh (wantReplies=%d, d=%d, dtt=%d, tt=%d)\n", node2->position.timestamp,
requestReplies, distance, distanceTravelThreshold, timeTravel);
LOG_INFO("Sending smart pos@%x:6 to mesh (distanceTraveled=%fm, minDistanceThreshold=%im, timeElapsed=%ims, "
"minTimeInterval=%ims)\n",
node2->position.timestamp, abs(distanceTraveledSinceLastSend), distanceTravelThreshold,
msSinceLastSend, minimumTimeThreshold);
sendOurPosition(NODENUM_BROADCAST, requestReplies);
// Set the current coords as our last ones, after we've compared distance with current and decided to send