From b1114569135bbcbab8a095ebe37f4800183d2c5f Mon Sep 17 00:00:00 2001
From: zhangqian <zhangqian@123.com>
Date: 星期二, 09 四月 2024 10:17:57 +0800
Subject: [PATCH] fix
---
pkg/plc/modbusx/modbusrtu.go | 6 ++++--
1 files changed, 4 insertions(+), 2 deletions(-)
diff --git a/pkg/plc/modbusx/modbusrtu.go b/pkg/plc/modbusx/modbusrtu.go
index 253bc88..62dac2e 100644
--- a/pkg/plc/modbusx/modbusrtu.go
+++ b/pkg/plc/modbusx/modbusrtu.go
@@ -5,6 +5,7 @@
)
func ReadByRTU(c *common.RTUConfig, address uint16, quantity uint16) (data []byte, err error) {
+ address--
cli := getModbusRTUConnection(c)
data, err = cli.ReadHoldingRegisters(address, quantity)
dealRTUErr(err, c.SerialName)
@@ -16,9 +17,10 @@
return
}
-func WriteByRTU(c *common.RTUConfig, address uint16, value int) (err error) {
+func WriteByRTU(c *common.RTUConfig, address uint16, value int, endian string, length int) (err error) {
+ address--
var bytesVal []byte
- bytesVal = intToBytes(value)
+ bytesVal = intToBytes(value, endian, length)
cli := getModbusRTUConnection(c)
_, err = cli.WriteMultipleRegisters(address, uint16(len(bytesVal)), bytesVal)
dealRTUErr(err, c.SerialName)
--
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