NuMaker Modbus-RS485

Dependencies:   Modbus nvt_rs485

Fork of modbus-over-rs485-sample by Wayne Lin

Committer:
morgandu
Date:
Mon May 13 09:02:49 2024 +0000
Revision:
22:e14caaceb177
Parent:
3:6087ac36c45f
Update Modbus.lib and nvt_rs485.lib to support NuMaker-IoT-M487

Who changed what in which revision?

UserRevisionLine numberNew contents of line
shliu1 3:6087ac36c45f 1 # Getting started sample with modbus-RS485 on mbed OS
shliu1 3:6087ac36c45f 2
shliu1 3:6087ac36c45f 3
shliu1 3:6087ac36c45f 4 ### Import NuMaker-mbed-modbus-sample from on-line IDE
shliu1 3:6087ac36c45f 5 1. Please choose Nuvoton NuMaker-PFM-XXX as your target platform.
shliu1 3:6087ac36c45f 6 2. Please press the left-up icon "New", then choose "NuMaker Modbus-RS485" from the template list.
shliu1 3:6087ac36c45f 7 3. Your NuMaker-mbed-modbus-sample program is existed.
shliu1 3:6087ac36c45f 8
shliu1 3:6087ac36c45f 9 #### Now compile
shliu1 3:6087ac36c45f 10 Please press compile icon.
shliu1 3:6087ac36c45f 11
shliu1 3:6087ac36c45f 12 #### Burn Code & Execute
shliu1 3:6087ac36c45f 13 1. Connect the board NuMaker-PFM-XXX with your PC by USB cable, then there will be one "mbed" disk.
shliu1 3:6087ac36c45f 14 2. Copy the built binary file into "mbed" disk on you PC.
shliu1 3:6087ac36c45f 15 3. Press device's reset button to execute, and you could get the below log by uart console.
shliu1 3:6087ac36c45f 16 And LED1, LED2 and LED3 will flash.
shliu1 3:6087ac36c45f 17 -------------------------------------------------------------------------------
shliu1 3:6087ac36c45f 18 We will set modbus slave ID-61(0x3d) for the device.
shliu1 3:6087ac36c45f 19
shliu1 3:6087ac36c45f 20 --------------------------------------------------------------------------