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* companion: new CMD_SEND_TELEMETRY_REQ, PUSH_CODE_TELEMETRY_RESPONSE

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This commit is contained in:
Scott Powell
2025-05-03 20:08:44 +10:00
parent 99774f10ac
commit 26f01e0605
3 changed files with 47 additions and 16 deletions
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53
examples/companion_radio/main.cpp
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@@ -139,6 +139,7 @@ static uint32_t _atoi(const char* sp) {
#define CMD_SEND_TRACE_PATH 36
#define CMD_SET_DEVICE_PIN 37
#define CMD_SET_OTHER_PARAMS 38
#define CMD_SEND_TELEMETRY_REQ 39
#define RESP_CODE_OK 0
#define RESP_CODE_ERR 1
@@ -174,6 +175,7 @@ static uint32_t _atoi(const char* sp) {
#define PUSH_CODE_LOG_RX_DATA 0x88
#define PUSH_CODE_TRACE_DATA 0x89
#define PUSH_CODE_NEW_ADVERT 0x8A
#define PUSH_CODE_TELEMETRY_RESPONSE 0x8B
#define ERR_CODE_UNSUPPORTED_CMD 1
#define ERR_CODE_NOT_FOUND 2
@@ -196,6 +198,7 @@ class MyMesh : public BaseChatMesh {
NodePrefs _prefs;
uint32_t pending_login;
uint32_t pending_status;
uint32_t pending_telemetry;
BaseSerialInterface* _serial;
ContactsIterator _iter;
uint32_t _iter_filter_since;
@@ -666,8 +669,8 @@ protected:
}
void onContactResponse(const ContactInfo& contact, const uint8_t* data, uint8_t len) override {
uint32_t sender_timestamp;
memcpy(&sender_timestamp, data, 4);
uint32_t tag;
memcpy(&tag, data, 4);
if (pending_login && memcmp(&pending_login, contact.id.pub_key, 4) == 0) { // check for login response
// yes, is response to pending sendLogin()
@@ -690,8 +693,7 @@ protected:
}
memcpy(&out_frame[i], contact.id.pub_key, 6); i += 6; // pub_key_prefix
_serial->writeFrame(out_frame, i);
} else if (len > 4 && pending_status && memcmp(&pending_status, contact.id.pub_key, 4) == 0) { // check for status response
// yes, is response to pending sendStatusRequest()
} else if (len > 4 && tag == pending_status) { // check for status response
pending_status = 0;
int i = 0;
@@ -700,6 +702,15 @@ protected:
memcpy(&out_frame[i], contact.id.pub_key, 6); i += 6; // pub_key_prefix
memcpy(&out_frame[i], &data[4], len - 4); i += (len - 4);
_serial->writeFrame(out_frame, i);
} else if (len > 4 && tag == pending_telemetry) { // check for telemetry response
pending_telemetry = 0;
int i = 0;
out_frame[i++] = PUSH_CODE_TELEMETRY_RESPONSE;
out_frame[i++] = 0; // reserved
memcpy(&out_frame[i], contact.id.pub_key, 6); i += 6; // pub_key_prefix
memcpy(&out_frame[i], &data[4], len - 4); i += (len - 4);
_serial->writeFrame(out_frame, i);
}
}
@@ -762,7 +773,7 @@ public:
offline_queue_len = 0;
app_target_ver = 0;
_identity_store = NULL;
pending_login = pending_status = 0;
pending_login = pending_status = pending_telemetry = 0;
next_ack_idx = 0;
sign_data = NULL;
@@ -1300,7 +1311,7 @@ public:
if (result == MSG_SEND_FAILED) {
writeErrFrame(ERR_CODE_TABLE_FULL);
} else {
pending_status = 0;
pending_telemetry = pending_status = 0;
memcpy(&pending_login, recipient->id.pub_key, 4); // match this to onContactResponse()
out_frame[0] = RESP_CODE_SENT;
out_frame[1] = (result == MSG_SEND_SENT_FLOOD) ? 1 : 0;
@@ -1315,16 +1326,36 @@ public:
uint8_t* pub_key = &cmd_frame[1];
ContactInfo* recipient = lookupContactByPubKey(pub_key, PUB_KEY_SIZE);
if (recipient) {
uint32_t est_timeout;
int result = sendStatusRequest(*recipient, est_timeout);
uint32_t tag, est_timeout;
int result = sendRequest(*recipient, REQ_TYPE_GET_STATUS, tag, est_timeout);
if (result == MSG_SEND_FAILED) {
writeErrFrame(ERR_CODE_TABLE_FULL);
} else {
pending_login = 0;
memcpy(&pending_status, recipient->id.pub_key, 4); // match this to onContactResponse()
pending_telemetry = pending_login = 0;
pending_status = tag; // match this in onContactResponse()
out_frame[0] = RESP_CODE_SENT;
out_frame[1] = (result == MSG_SEND_SENT_FLOOD) ? 1 : 0;
memcpy(&out_frame[2], &pending_status, 4);
memcpy(&out_frame[2], &tag, 4);
memcpy(&out_frame[6], &est_timeout, 4);
_serial->writeFrame(out_frame, 10);
}
} else {
writeErrFrame(ERR_CODE_NOT_FOUND); // contact not found
}
} else if (cmd_frame[0] == CMD_SEND_TELEMETRY_REQ && len >= 4+PUB_KEY_SIZE) {
uint8_t* pub_key = &cmd_frame[4];
ContactInfo* recipient = lookupContactByPubKey(pub_key, PUB_KEY_SIZE);
if (recipient) {
uint32_t tag, est_timeout;
int result = sendRequest(*recipient, REQ_TYPE_GET_TELEMETRY_DATA, tag, est_timeout);
if (result == MSG_SEND_FAILED) {
writeErrFrame(ERR_CODE_TABLE_FULL);
} else {
pending_status = pending_login = 0;
pending_telemetry = tag; // match this in onContactResponse()
out_frame[0] = RESP_CODE_SENT;
out_frame[1] = (result == MSG_SEND_SENT_FLOOD) ? 1 : 0;
memcpy(&out_frame[2], &tag, 4);
memcpy(&out_frame[6], &est_timeout, 4);
_serial->writeFrame(out_frame, 10);
}

8
src/helpers/BaseChatMesh.cpp
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@@ -414,11 +414,11 @@ int BaseChatMesh::sendLogin(const ContactInfo& recipient, const char* password,
return MSG_SEND_FAILED;
}
int BaseChatMesh::sendStatusRequest(const ContactInfo& recipient, uint32_t& est_timeout) {
int BaseChatMesh::sendRequest(const ContactInfo& recipient, uint8_t req_type, uint32_t& tag, uint32_t& est_timeout) {
uint8_t temp[13];
uint32_t now = getRTCClock()->getCurrentTimeUnique();
memcpy(temp, &now, 4); // mostly an extra blob to help make packet_hash unique
temp[4] = REQ_TYPE_GET_STATUS;
tag = getRTCClock()->getCurrentTimeUnique();
memcpy(temp, &tag, 4); // mostly an extra blob to help make packet_hash unique
temp[4] = req_type;
memset(&temp[5], 0, 4); // reserved (possibly for 'since' param)
getRNG()->random(&temp[9], 4); // random blob to help make packet-hash unique

2
src/helpers/BaseChatMesh.h
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@@ -147,7 +147,7 @@ public:
int sendCommandData(const ContactInfo& recipient, uint32_t timestamp, uint8_t attempt, const char* text, uint32_t& est_timeout);
bool sendGroupMessage(uint32_t timestamp, mesh::GroupChannel& channel, const char* sender_name, const char* text, int text_len);
int sendLogin(const ContactInfo& recipient, const char* password, uint32_t& est_timeout);
int sendStatusRequest(const ContactInfo& recipient, uint32_t& est_timeout);
int sendRequest(const ContactInfo& recipient, uint8_t req_type, uint32_t& tag, uint32_t& est_timeout);
bool shareContactZeroHop(const ContactInfo& contact);
uint8_t exportContact(const ContactInfo& contact, uint8_t dest_buf[]);
bool importContact(const uint8_t src_buf[], uint8_t len);