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Wang Dequan
2026-08-20 06:17:39 +08:00
commit 2c814634c3
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configs/by_interface/mesa/hm2-modbus/bldc_and_wavebox.mbccs Normal file
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<?xml version="1.0" encoding="UTF-8"?>
<!--
See setup comments in:
- brushless-dc-motor-driver.mbccs
- waveshare-modbus-rtu-relay-d.mbccs
-->
<mesamodbus baudrate="57600" parity="E" stopbits="1" interval="50000" suspend="true">
<devices> <!-- Devices on the same bus -->
<device address="0x01" name="bldc"><description>BLDC Control board AQMD2403BLS-M</description></device>
<device address="0x02" name="wavebox"><description>A Waveshare "Modbus RTU Relay (D)" box</description></device>
<device address="0x55" name="dummy" />
</devices>
<initlist> <!-- Initialization sequences -->
<!-- Default baudrate for bldc board at boot -->
<command baudrate="9600" />
<!-- Flush the bus so that the receiver is in a known state. -->
<command device="dummy" function="W_COIL" address="0x0000" noanswer="1"><data value="0xff00" /></command>
<!-- Set the board to the stored higher baudrate. -->
<command device="bldc" function="W_REGISTER" address="0x009d" timesout="true"><data value="1" /></command>
<!-- Restore our real baudrate -->
<command baudrate="57600" />
<!-- Again flush the bus so that the receiver is in a known state at the new baudrate. -->
<!-- This will also bring the wavebox in a known state -->
<command device="dummy" function="W_COIL" address="0x0000" noanswer="1"><data value="0xff00" /></command>
</initlist>
<commands> <!-- Command function sequences and HAL pin assignments -->
<command device="bldc" function="R_REGISTERS" address="0x0020" modbustype="U_AB" haltype="S32" scale="1">
<pin name="rtpwm"/>
<pin name="rtcurrent"/>
<pin name="comfreq" modbustype="S_AB"/>
<pin skip="1" />
<pin name="rtpos" modbustype="S_ABCD" scale="0"/>
</command>
<!-- Gives us the following pins:
- hm2_modbus.0.bldc.rtpwm (out, s32) (range [0..65535])
- hm2_modbus.0.bldc.rtpwm.offset (in, u64)
- hm2_modbus.0.bldc.rtpwm.scale (in, float) (must be set to 0.1)
- hm2_modbus.0.bldc.rtpwm.scaled (out, float)
- hm2_modbus.0.bldc.rtcurrent (out, s32) (range [0..65535])
- hm2_modbus.0.bldc.rtcurrent.offset (in, u64)
- hm2_modbus.0.bldc.rtcurrent.scale (in, float) (must be set to 0.01)
- hm2_modbus.0.bldc.rtcurrent.scaled (out, float)
- hm2_modbus.0.bldc.comfreq (out, s32) (range [-32768..+32767])
- hm2_modbus.0.bldc.comfreq.offset (in, s64)
- hm2_modbus.0.bldc.comfreq.scale (in, float) (must be set to 0.1)
- hm2_modbus.0.bldc.comfreq.scaled (out, float)
- hm2_modbus.0.bldc.rtpos (out, s32) (range [-2147483648..+2147483647])
The start will be suspended (see top). The .scale pins will be set in
the hal-file. Offset pins are automatically initialized to zero.
Afterwards, the hal-file will enable communication.
-->
<command device="wavebox" function="R_INPUTS" address="0x0000" count="8" name="switch" />
<!-- Gives us the following pins:
- Eight switch inputs on the box are HAL output pins
* hm2_modbus.0.wavebox.switch-00 (out, HAL_BIT)
* ...
* hm2_modbus.0.wavebox.switch-07 (out, HAL_BIT)
-->
<!--
Note: We write at the /end/ of the list because writing only occurs if a
pin changes. Doing it last in the list makes the previous commands more
timing stable because they are "seen" first every time when the timer
runs.
Assuming that the interval is longer than the time it takes for the
commands to be handled.
-->
<command device="wavebox" function="W_COILS" address="0x0000" count="8" name="relay" />
<!-- Gives us the following pins:
- Eight relay outputs on the box are HAL input pins
* hm2_modbus.0.wavebox.relay-00 (in, HAL_BIT)
* ...
* hm2_modbus.0.wavebox.relay-07 (in, HAL_BIT)
-->
</commands>
</mesamodbus>