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* companion radio: new CMD_SET_RADIO_TX_POWER frame, RESP_CODE_SELF_INFO responses now include tx_power_dbm and MAX_LORA_TX_POWER

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This commit is contained in:
Scott Powell 2025-02-03 21:06:08 +11:00
parent 7f15205e29
commit a0bb332ce5
1 changed files with 22 additions and 6 deletions
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28
examples/companion_radio/main.cpp
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@ -34,6 +34,9 @@
#ifndef LORA_TX_POWER
#define LORA_TX_POWER 20
#endif
#ifndef MAX_LORA_TX_POWER
#define MAX_LORA_TX_POWER LORA_TX_POWER
#endif
#ifndef MAX_CONTACTS
#define MAX_CONTACTS 100
@ -92,6 +95,7 @@ static uint32_t _atoi(const char* sp) {
#define CMD_ADD_UPDATE_CONTACT 9
#define CMD_SYNC_NEXT_MESSAGE 10
#define CMD_SET_RADIO_PARAMS 11
#define CMD_SET_RADIO_TX_POWER 12
#define RESP_CODE_OK 0
#define RESP_CODE_ERR 1
@ -121,6 +125,8 @@ struct NodePrefs { // persisted to file
uint8_t reserved1;
uint8_t reserved2;
float bw;
uint8_t tx_power_dbm;
uint8_t unused[3];
};
class MyMesh : public BaseChatMesh {
@ -360,22 +366,21 @@ public:
_iter_started = false;
// defaults
memset(&_prefs, 0, sizeof(_prefs));
_prefs.airtime_factor = 1.0; // one half
strcpy(_prefs.node_name, "NONAME");
_prefs.node_lat = 0;
_prefs.node_lon = 0;
_prefs.freq = LORA_FREQ;
_prefs.sf = LORA_SF;
_prefs.bw = LORA_BW;
_prefs.cr = LORA_CR;
_prefs.reserved1 = 0;
_prefs.reserved2 = 0;
_prefs.tx_power_dbm = LORA_TX_POWER;
}
float getFreqPref() const { return _prefs.freq; }
uint8_t getSFPref() const { return _prefs.sf; }
uint8_t getCRPref() const { return _prefs.cr; }
float getBWPref() const { return _prefs.bw; }
uint8_t getTxPowerPref() const { return _prefs.tx_power_dbm; }
void begin(FILESYSTEM& fs, BaseSerialInterface& serial, mesh::RNG& trng) {
_fs = &fs;
@ -427,8 +432,8 @@ public:
int i = 0;
out_frame[i++] = RESP_CODE_SELF_INFO;
out_frame[i++] = ADV_TYPE_CHAT; // what this node Advert identifies as (maybe node's pronouns too?? :-)
out_frame[i++] = 0; // reserved
out_frame[i++] = 0; // reserved
out_frame[i++] = _prefs.tx_power_dbm;
out_frame[i++] = MAX_LORA_TX_POWER;
memcpy(&out_frame[i], self_id.pub_key, PUB_KEY_SIZE); i += PUB_KEY_SIZE;
int32_t latlonsats = 0;
memcpy(&out_frame[i], &latlonsats, 4); i += 4; // reserved future, for companion radios with GPS (like T-Beam, T1000)
@ -594,6 +599,14 @@ public:
} else {
writeErrFrame();
}
} else if (cmd_frame[0] == CMD_SET_RADIO_TX_POWER) {
if (cmd_frame[1] > MAX_LORA_TX_POWER) {
writeErrFrame();
} else {
_prefs.tx_power_dbm = cmd_frame[1];
savePrefs();
writeOKFrame(); // reboot now required!
}
} else {
writeErrFrame();
MESH_DEBUG_PRINTLN("ERROR: unknown command: %02X", cmd_frame[0]);
@ -729,6 +742,9 @@ void setup() {
if (LORA_CR != the_mesh.getCRPref()) {
radio.setCodingRate(the_mesh.getCRPref());
}
if (LORA_TX_POWER != the_mesh.getTxPowerPref()) {
radio.setOutputPower(the_mesh.getTxPowerPref());
}
}
void loop() {