Wayne Lin
Support M487 board
Dependencies: Modbus nvt_rs485
README.md@0:69a9b661c0ca, 2017-10-06 (annotated)
- Committer:
- wclin
- Date:
- Fri Oct 06 02:28:18 2017 +0000
- Revision:
- 0:69a9b661c0ca
1. Support M487 board.; 2. Disable get value from Dip switch, if def-rs485-port value is 1 in mbed_app.json file.
Who changed what in which revision?
| User | Revision | Line number | New contents of line |
|---|---|---|---|
| wclin | 0:69a9b661c0ca | 1 | # Getting started sample with modbus-RS485 on mbed OS |
| wclin | 0:69a9b661c0ca | 2 | |
| wclin | 0:69a9b661c0ca | 3 | |
| wclin | 0:69a9b661c0ca | 4 | ### Import NuMaker-mbed-modbus-sample from on-line IDE |
| wclin | 0:69a9b661c0ca | 5 | 1. Please choose Nuvoton NuMaker-PFM-XXX as your target platform. |
| wclin | 0:69a9b661c0ca | 6 | 2. Please press the left-up icon "New", then choose "NuMaker Modbus-RS485" from the template list. |
| wclin | 0:69a9b661c0ca | 7 | 3. Your NuMaker-mbed-modbus-sample program is existed. |
| wclin | 0:69a9b661c0ca | 8 | |
| wclin | 0:69a9b661c0ca | 9 | #### Now compile |
| wclin | 0:69a9b661c0ca | 10 | Please press compile icon. |
| wclin | 0:69a9b661c0ca | 11 | |
| wclin | 0:69a9b661c0ca | 12 | #### Burn Code & Execute |
| wclin | 0:69a9b661c0ca | 13 | 1. Connect the board NuMaker-PFM-XXX with your PC by USB cable, then there will be one "mbed" disk. |
| wclin | 0:69a9b661c0ca | 14 | 2. Copy the built binary file into "mbed" disk on you PC. |
| wclin | 0:69a9b661c0ca | 15 | 3. Press device's reset button to execute, and you could get the below log by uart console. |
| wclin | 0:69a9b661c0ca | 16 | And LED1, LED2 and LED3 will flash. |
| wclin | 0:69a9b661c0ca | 17 | ------------------------------------------------------------------------------- |
| wclin | 0:69a9b661c0ca | 18 | We will set modbus slave ID-61(0x3d) for the device. |
| wclin | 0:69a9b661c0ca | 19 | |
| wclin | 0:69a9b661c0ca | 20 | -------------------------------------------------------------------------- |