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Improved Opentherm error handling.

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- Added error counter avoiding disconnect state after single frame error.
- Decreased cooldown period to avoid boiler entering PWM mode after line idle for more than 5s.
This commit is contained in:
Marcel 2020-12-04 15:53:32 +01:00
parent 555ec1e2a4
commit 96c58fa665
1 changed files with 15 additions and 2 deletions
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17
tasmota/xsns_69_opentherm.ino
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@ -33,7 +33,10 @@
#define OT_BOILER_DEFAULT 85; #define OT_BOILER_DEFAULT 85;
// Seconds before OT will make an attempt to connect to the boiler after connection error // Seconds before OT will make an attempt to connect to the boiler after connection error
#define SNS_OT_DISCONNECT_COOLDOWN_SECONDS 10 #define SNS_OT_DISCONNECT_COOLDOWN_SECONDS 4
// Number of consecutive timeouts which are accepted before entering disconnect state
#define SNS_OT_MAX_TIMEOUTS_BEFORE_DISCONNECT 3
// Count of the OpenThermSettingsFlags // Count of the OpenThermSettingsFlags
#define OT_FLAGS_COUNT 6 #define OT_FLAGS_COUNT 6
@ -63,6 +66,7 @@ enum OpenThermConnectionStatus
OpenThermConnectionStatus sns_ot_connection_status = OpenThermConnectionStatus::OTC_NONE; OpenThermConnectionStatus sns_ot_connection_status = OpenThermConnectionStatus::OTC_NONE;
uint8_t sns_ot_disconnect_cooldown = 0; uint8_t sns_ot_disconnect_cooldown = 0;
uint8_t sns_ot_timeout_before_disconnect = 0;
OpenTherm *sns_ot_master = NULL; OpenTherm *sns_ot_master = NULL;
@ -178,11 +182,13 @@ void sns_opentherm_processResponseCallback(unsigned long response, int st)
sns_opentherm_process_success_response(&sns_ot_boiler_status, response); sns_opentherm_process_success_response(&sns_ot_boiler_status, response);
} }
sns_ot_connection_status = OpenThermConnectionStatus::OTC_READY; sns_ot_connection_status = OpenThermConnectionStatus::OTC_READY;
sns_ot_timeout_before_disconnect = SNS_OT_MAX_TIMEOUTS_BEFORE_DISCONNECT;
break; break;
case OpenThermResponseStatus::INVALID: case OpenThermResponseStatus::INVALID:
sns_opentherm_check_retry_request(); sns_opentherm_check_retry_request();
sns_ot_connection_status = OpenThermConnectionStatus::OTC_READY; sns_ot_connection_status = OpenThermConnectionStatus::OTC_READY;
sns_ot_timeout_before_disconnect = SNS_OT_MAX_TIMEOUTS_BEFORE_DISCONNECT;
break; break;
// Timeout may indicate not valid/supported command or connection error // Timeout may indicate not valid/supported command or connection error
@ -191,7 +197,14 @@ void sns_opentherm_processResponseCallback(unsigned long response, int st)
// after couple of failed attempts. See sns_opentherm_check_retry_request logic // after couple of failed attempts. See sns_opentherm_check_retry_request logic
case OpenThermResponseStatus::TIMEOUT: case OpenThermResponseStatus::TIMEOUT:
sns_opentherm_check_retry_request(); sns_opentherm_check_retry_request();
sns_ot_connection_status = OpenThermConnectionStatus::OTC_DISCONNECTED; if (--sns_ot_timeout_before_disconnect == 0)
{
sns_ot_connection_status = OpenThermConnectionStatus::OTC_DISCONNECTED;
}
else
{
sns_ot_connection_status = OpenThermConnectionStatus::OTC_READY;
}
break; break;
} }
} }