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read telegram set length to max 25/27 per telegram part

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This commit is contained in:
MichaelDvP
2024-10-22 07:59:13 +02:00
parent 995b759230
commit 21b2fb46de
1 changed files with 9 additions and 3 deletions
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12
src/telegram.cpp
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@@ -343,9 +343,10 @@ void TxService::send_telegram(const QueuedTxTelegram & tx_telegram) {
message_p = 6;
} else {
// READ
telegram_raw[4] = telegram->message_data[0]; // #bytes to return, which we assume is the only byte in the message block
telegram_raw[5] = (telegram->type_id >> 8) - 1; // type, 1st byte, high-byte, subtract 0x100
telegram_raw[6] = telegram->type_id & 0xFF; // type, 2nd byte, low-byte
telegram_raw[4] =
telegram->message_data[0] > 25 ? 25 : telegram->message_data[0]; // #bytes to return, which we assume is the only byte in the message block
telegram_raw[5] = (telegram->type_id >> 8) - 1; // type, 1st byte, high-byte, subtract 0x100
telegram_raw[6] = telegram->type_id & 0xFF; // type, 2nd byte, low-byte
message_p = 7;
copy_data = false; // there are no more data values after the type_id when reading on EMS+
}
@@ -354,6 +355,11 @@ void TxService::send_telegram(const QueuedTxTelegram & tx_telegram) {
telegram_raw[2] = telegram->type_id;
telegram_raw[3] = telegram->offset;
message_p = 4;
if (telegram->operation == Telegram::Operation::TX_READ) {
telegram_raw[4] = telegram->message_data[0] > 27 ? 27 : telegram->message_data[0];
message_p = 5;
copy_data = false; // there are no more data value
}
}
if (copy_data) {