From d8a652ffe25423bd8a1dc759e549d9177c93da8f Mon Sep 17 00:00:00 2001
From: andig <cpuidle@gmx.de>
Date: Fri, 7 Jan 2022 19:58:41 +0100
Subject: [PATCH] Modbus: add delay setting (#2228)

---
 meter/modbus.go    | 6 ++++++
 provider/modbus.go | 6 ++++++
 2 files changed, 12 insertions(+)

diff --git a/meter/modbus.go b/meter/modbus.go
index 5f81b5547..abb2b6904 100644
--- a/meter/modbus.go
+++ b/meter/modbus.go
@@ -35,6 +35,7 @@ func NewModbusFromConfig(other map[string]interface{}) (api.Meter, error) {
 		modbus.Settings    `mapstructure:",squash"`
 		Power, Energy, SoC string
 		Currents           []string
+		Delay              time.Duration
 		Timeout            time.Duration
 	}{
 		Power: "Power",
@@ -63,6 +64,11 @@ func NewModbusFromConfig(other map[string]interface{}) (api.Meter, error) {
 		return nil, err
 	}
 
+	// set non-default delay
+	if cc.Delay > 0 {
+		conn.Delay(cc.Delay)
+	}
+
 	// set non-default timeout
 	if cc.Timeout > 0 {
 		conn.Timeout(cc.Timeout)
diff --git a/provider/modbus.go b/provider/modbus.go
index a6fffeb6b..56f08fdee 100644
--- a/provider/modbus.go
+++ b/provider/modbus.go
@@ -37,6 +37,7 @@ func NewModbusFromConfig(other map[string]interface{}) (IntProvider, error) {
 		Register        modbus.Register
 		Value           string
 		Scale           float64
+		Delay           time.Duration
 		Timeout         time.Duration
 	}{
 		Scale: 1,
@@ -62,6 +63,11 @@ func NewModbusFromConfig(other map[string]interface{}) (IntProvider, error) {
 		return nil, err
 	}
 
+	// set non-default delay
+	if cc.Delay > 0 {
+		conn.Delay(cc.Delay)
+	}
+
 	// set non-default timeout
 	if cc.Timeout > 0 {
 		conn.Timeout(cc.Timeout)