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An alternative firmware for the Riden WiFi module that provides Modbus TCP and SCPI support as well as a web interface.
Raw dump of all registers.
Possibly add ability to choose register range.
Chunked encoding error.
Maybe use an extras_script
to extract version information from a tag.
lxi discover -m
no longer finds any dongles. The Discovery.app shows the dongles, but times out when trying to resolve services.
Could be related to esp8266/Arduino#9046.
It was tested on a regular ESP8266 development board, but fails on my original Riden WiFi modules.
Add an example using pyvisa and pyvisa-py as well.
Inspired by https://www.manson.com.hk/wp-content/uploads/2020/06/NEP_SCPI_command_list_1.0-for-Manson.pdf. Not sure if SYSTem:PRESet#
is easily confused with SYSTem:PRESet
.
SYSTem:PRESet# <voltage>๏ผ<current>, <ovp>, <ocp>
Description: Set values of preset program #. # is between 1 and 9. Voltage value unit is V|mV and Current value unit is A|mA
SYSTem:PRESet#?
Description: Return values of preset program#. # is between 1 and 9.
Hostname reverts to ESP-xxxxxx shortly after boot.
Should also fail gracefully when using SCPI and Modbus TCP.
Since we cannot communicate with the power supply, we cannot set a meaningful hostname. But we want to be able to configure the unit through the web interface: don't set hostname and don't start mDNS.
SCPI as well as Modbus TCP.
Guard against reading too much data in to readBuffer
.
Native Modbus RTU over USB handles approximately 90 queries/second.
SCPI currently maxes out at close to 10 queries/second on VOLT?
query and 40 queries/second on *IDN?
.
Modbus TCP reaches 25 queries/second.
In cases where something is truly messed up, it might be a good idea to be able to revert to a known configuration.
Write over configuration stored in EEPROM by setting the initial two bytes to something other than RD
.
SCPI as well as Modbus TCP.
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