This commit is contained in:
Paul
2019-07-20 10:22:47 +02:00
9 changed files with 245 additions and 106 deletions

View File

@@ -732,9 +732,23 @@ void ems_parseTelegram(uint8_t * telegram, uint8_t length) {
EMS_RxTelegram.timestamp = millis();
EMS_RxTelegram.length = length;
// check if we just received a single byte
// it could well be a Poll request from the boiler for us, which will have a value of 0x8B (0x0B | 0x80)
// or either a return code like 0x01 or 0x04 from the last Write command
/*
* check if we just received a single byte
* it could well be a Poll request from the boiler for us, which will have a value of 0x8B (0x0B | 0x80)
* or either a return code like 0x01 or 0x04 from the last Write command
* Roger Wilco: we have different types here:
* EMS_ID_ME && length == 1 && EMS_TX_STATUS_IDLE && EMS_RX_STATUS_IDLE: polling request
* EMS_ID_ME && length > 1 && EMS_TX_STATUS_IDLE && EMS_RX_STATUS_IDLE: direct telegram
* (EMS_TX_SUCCESS || EMS_TX_ERROR) && EMS_TX_STATUS_WAIT: response, free the EMS bus
*
* In addition, it may happen that we where interrupted (f.e. by WIFI activity) and the
* buffer isn't valid anymore, so we must not answer at all...
*/
if (EMS_Sys_Status.emsRxStatus != EMS_RX_STATUS_IDLE) {
myDebug_P(PSTR("** We missed the bus - Rx non-idle!"));
return;
}
if (length == 1) {
uint8_t value = telegram[0]; // 1st byte of data package
@@ -824,6 +838,7 @@ void ems_parseTelegram(uint8_t * telegram, uint8_t length) {
// Assume at this point we have something that vaguely resembles a telegram in the format [src] [dest] [type] [offset] [data] [crc]
// validate the CRC, if it's bad ignore it
if (telegram[length - 1] != _crcCalculator(telegram, length)) {
LA_PULSE(200);
EMS_Sys_Status.emxCrcErr++;
if (EMS_Sys_Status.emsLogging == EMS_SYS_LOGGING_VERBOSE) {
_debugPrintTelegram("Corrupt telegram: ", &EMS_RxTelegram, COLOR_RED, true);