Mesa card emulation in microcontroller
21 Mar 2021 19:50 #203148
by nickom44
Replied by nickom44 on topic Mesa card emulation in microcontroller
Thanks for the link, looks promising
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21 Mar 2021 23:34 #203172
by andypugh
Replied by andypugh on topic Mesa card emulation in microcontroller
The STMBL Servo drives also act like Mesa devices. In that case they are a Mesa Smart-serial device, and use an STM32 microcontroller.
This means that you can send motor positions as a floating-point number on an all-digital link, and get the actual position back in to HAL in the same way.
This means that you can send motor positions as a floating-point number on an all-digital link, and get the actual position back in to HAL in the same way.
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22 Mar 2021 10:16 #203221
by nickom44
Replied by nickom44 on topic Mesa card emulation in microcontroller
Interesting, I must admit I don't really understand the serial device part, I assumed this was for a serial device out of the Mesa card to other peripherals.
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22 Mar 2021 21:04 #203295
by nickom44
Replied by nickom44 on topic Mesa card emulation in microcontroller
Hi andypugh,
Just re-read your post after reading a bit more about the serial interface, does the servo connect over ethernet, and is it set up as a mesa device?
Thanks
Just re-read your post after reading a bit more about the serial interface, does the servo connect over ethernet, and is it set up as a mesa device?
Thanks
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23 Mar 2021 00:57 #203325
by andypugh
Sorry, I am probably confusing things,
The STMBL contains an STM32 and plugs in to a Mesa FPGA card just like a Mesa Smart-Serial card. In fact as far as the system is concerned it is a normal smart-serial card.
I think that the smart-serial cards from Mesa use a dsPIC rather than a µP like the STM32.
Replied by andypugh on topic Mesa card emulation in microcontroller
Just re-read your post after reading a bit more about the serial interface, does the servo connect over ethernet, and is it set up as a mesa device?
Sorry, I am probably confusing things,
The STMBL contains an STM32 and plugs in to a Mesa FPGA card just like a Mesa Smart-Serial card. In fact as far as the system is concerned it is a normal smart-serial card.
I think that the smart-serial cards from Mesa use a dsPIC rather than a µP like the STM32.
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23 Mar 2021 08:37 #203362
by nickom44
Replied by nickom44 on topic Mesa card emulation in microcontroller
Yeah, I think I guessed correctly, smartserial allows peripherals connected to a Mesa to be controlled by LCNC.
I'm interested in getting LCNC to communicate with an STM32 as if it was the FPGA, DOIT commands etc.
I'm interested in getting LCNC to communicate with an STM32 as if it was the FPGA, DOIT commands etc.
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25 Mar 2021 15:15 #203622
by kwarup
Replied by kwarup on topic Mesa card emulation in microcontroller
See this..
github.com/mardini1974/EMC-2-Arduino
github.com/mardini1974/EMC-2-Arduino
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