2018-03-23 21:14 GMT+07:00 Peter C. Wallace :
> On Fri, 23 Mar 2018, Th?ng L? wrote:
>
> Date: Fri, 23 Mar 2018 16:04:47 +0700
>> From: "[UTF-8] Th?ng L?"
>> Reply-To: EMC developers
>> To: EMC developers
>> Subject: Re: [Emc-developers] writi
>> I'm not very clearly understand when i read it,i dont see how to
> >> clear FIFO or disable RX from these 7 bits. I guess u mention
> >> pktuart, right?
> >>
> >> 2018-03-22 0:28 GMT+07:00 Peter C. Wallace :
> >>> On Wed, 21 Mar 2018, Th?
On Fri, 23 Mar 2018, Peter C. Wallace wrote:
Date: Fri, 23 Mar 2018 07:14:38 -0700 (PDT)
From: Peter C. Wallace
Reply-To: EMC developers
To: EMC developers
Subject: Re: [Emc-developers] writing new firmware to read yaskawa absolute
encoder
On Fri, 23 Mar 2018, Th?ng L? wrote:
Date
On Fri, 23 Mar 2018, Th?ng L? wrote:
Date: Fri, 23 Mar 2018 16:04:47 +0700
From: "[UTF-8] Th?ng L?"
Reply-To: EMC developers
To: EMC developers
Subject: Re: [Emc-developers] writing new firmware to read yaskawa absolute
encoder
i guess i cant contact UART on mesa 5i25 by linu
> FIFO or disable RX from these 7 bits. I guess u mention pktuart, right?
>>
>>
>>
>> 2018-03-22 0:28 GMT+07:00 Peter C. Wallace :
>>
>>> On Wed, 21 Mar 2018, Th?ng L? wrote:
>>>
>>> Date: Wed, 21 Mar 2018 15:20:12 +0700
>>>> From:
data will become invalid
>>
>> (you would also expect to see the framing error bit set in this
>> circumstance)
>>
>>
>>
>> 2018-03-16 23:52 GMT+07:00 Peter C. Wallace :
>>
>> On Fri, 16 Mar 2018, Th?ng L? wrote:
>>>
>>> Date: Fri, 16 Mar
t; From: "[UTF-8] Th?ng L?"
>> Reply-To: EMC developers
>> To: EMC developers
>> Subject: Re: [Emc-developers] writing new firmware to read yaskawa
>> absolute
>> encoder
>>
>> i'm using mesa_uart to read serial data but i have a issue. Some
On Wed, 21 Mar 2018, Th?ng L? wrote:
Date: Wed, 21 Mar 2018 15:20:12 +0700
From: "[UTF-8] Th?ng L?"
Reply-To: EMC developers
To: EMC developers
Subject: Re: [Emc-developers] writing new firmware to read yaskawa absolute
encoder
i'm using mesa_uart to read serial data but
t;> Subject: Re: [Emc-developers] writing new firmware to read yaskawa
>> absolute
>> encoder
>>
>> ah, i understood what you mean. thank you very much
>>
>
> 2018-03-16 23:30 GMT+07:00 andy pugh :
>
> On 16 March 2018 at 16:27, Thяяng Lяя wrote:
>&
On Fri, 16 Mar 2018, Th?ng L? wrote:
Date: Fri, 16 Mar 2018 23:43:49 +0700
From: "[UTF-8] Th?ng L?"
Reply-To: EMC developers
To: EMC developers
Subject: Re: [Emc-developers] writing new firmware to read yaskawa absolute
encoder
ah, i understood what you mean. thank you very m
ah, i understood what you mean. thank you very much
2018-03-16 23:30 GMT+07:00 andy pugh :
> On 16 March 2018 at 16:27, Thắng Lê wrote:
> > this is a great idea but how can i right-shift the data? Both your way
> and
> > Peter's way seem have to touch UART source
>
> No, you can shift the raw d
On Fri, 16 Mar 2018, Th?ng L? wrote:
Date: Fri, 16 Mar 2018 23:27:57 +0700
From: "[UTF-8] Th?ng L?"
Reply-To: EMC developers
To: EMC developers
Subject: Re: [Emc-developers] writing new firmware to read yaskawa absolute
encoder
this is a great idea but how can i right-shif
On 16 March 2018 at 16:27, Thắng Lê wrote:
> this is a great idea but how can i right-shift the data? Both your way and
> Peter's way seem have to touch UART source
No, you can shift the raw data in the HAL component that interprets the data.
--
atp
"A motorcycle is a bicycle with a pandemoniu
this is a great idea but how can i right-shift the data? Both your way and
Peter's way seem have to touch UART source. I dont mind to modify it but
if need to change firmware is a bit problem with me
2018-03-16 17:53 GMT+07:00 andy pugh :
> On 16 March 2018 at 08:52, Thắng Lê wrote:
> > The dat
On 16 March 2018 at 08:52, Thắng Lê wrote:
> The data frame is: 1 bit start + character 7 bits + 1 bit even parity + 1
> bit stop. I dont need creat this Frame for TX, if there is anyway that i
> can configure this Frame for RX without touching uart firmware and
> component source?
It sounds li
Mar 2018, Rene Hopf wrote:
>
> Date: Wed, 14 Mar 2018 22:53:59 +0100
>> From: Rene Hopf
>> Reply-To: EMC developers
>> To: EMC developers
>> Subject: Re: [Emc-developers] writing new firmware to read yaskawa
>> absolute
>> encoder
>>
>&
On Wed, 14 Mar 2018, Rene Hopf wrote:
Date: Wed, 14 Mar 2018 22:53:59 +0100
From: Rene Hopf
Reply-To: EMC developers
To: EMC developers
Subject: Re: [Emc-developers] writing new firmware to read yaskawa absolute
encoder
On 14. Mar 2018, at 17:54, Peter C. Wallace wrote:
Typically
> On 14. Mar 2018, at 17:54, Peter C. Wallace wrote:
>
> Typically there would be no issue sending and receiving 7 bit characters with
> the PacketUART (just mask bit 7 on RX and set it to the line idle (high)
> state on TX )
thats not how uart works, if there is a stop bit, and usually there
On Wed, 14 Mar 2018, andy pugh wrote:
Date: Wed, 14 Mar 2018 16:43:39 +
From: andy pugh
Reply-To: EMC developers
To: EMC developers
Subject: Re: [Emc-developers] writing new firmware to read yaskawa absolute
encoder
On 14 March 2018 at 04:38, Th??ng L?? wrote:
unfortunately
On 14 March 2018 at 16:43, andy pugh wrote:
> Looking at the VHDL files both UART and pktUART have a 4-bit field for
> bit-count, so that rather suggests that there should be a way to set
> the number of bits to a value other than 7.
Maybe not:
https://github.com/LinuxCNC/hostmot2-firmware/blob
On 14 March 2018 at 04:38, Thắng Lê wrote:
> unfortunately, channel A use serial interface with ASCII 7bits, i guess i
> cant use mesa_uart without modify uart.c. Does pktuart allow me to change
> frames? I was looking at hm2_pktuart_setup function, there is an option
> "Bit 20..16 Frames receive
unfortunately, channel A use serial interface with ASCII 7bits, i guess i
cant use mesa_uart without modify uart.c. Does pktuart allow me to change
frames? I was looking at hm2_pktuart_setup function, there is an option
"Bit 20..16 Frames received", is this what i need?
2018-03-10 17:40 GMT+07:00
On 10 March 2018 at 09:25, Rene Hopf wrote:
> hm2_pktuart_send is provided by
> https://github.com/LinuxCNC/linuxcnc/blob/af15a4d90e1d51d5309db65fe1c9511e486df411/src/hal/drivers/mesa-hostmot2/pktuart.c
> you need to load that before you load the others.
Specifically something like this at the
> On 10. Mar 2018, at 08:45, Thắng Lê wrote:
>
> When i try run mesa_uart or mesa_pktgyro_test in halcmd, terminal
> shows me "*undefined
> symbol: hm2_uart_read" or " undefind symbol: hm2_pktuart_send" *. Any idea
> why do this happen?
hm2_pktuart_send is provided by
https://github.com/LinuxC
in my 2.8 pre linuxcnc, i also changed the path in mesa_uart.comp to
compile it
2018-03-10 14:45 GMT+07:00 Thắng Lê :
> When i try run mesa_uart or mesa_pktgyro_test in halcmd, terminal shows me
> "*undefined symbol: hm2_uart_read" or " undefind symbol:
> hm2_pktuart_send" *. Any idea why do this
When i try run mesa_uart or mesa_pktgyro_test in halcmd, terminal
shows me "*undefined
symbol: hm2_uart_read" or " undefind symbol: hm2_pktuart_send" *. Any idea
why do this happen?
2018-03-10 11:55 GMT+07:00 Thắng Lê :
> i'm stucked at uarts because i dont really understand how UART work , i
> s
i'm stucked at uarts because i dont really understand how UART work , i see
there are many files like mesa_uart.c, mesa_uart.comp, uart.c, pktuart.c, I
guess uart.c and pktuart.c contains uart's functions and mesa_uart.comp or
mesa_pktgyro_test.comp will use these functions so i just need creat a
c
sorry, my abs_encoder is 15 bit type, showing at page 56 (63 is pdf page),
it hasn't phase S.
The problem is phase A has 2 functions, send serial data and incremental
pulses so i think i will connect it to 1 UART port and 1 encoder counter
port, after receive serial data, i will reset counter. See
On 8 March 2018 at 09:39, Thắng Lê wrote:
> + Writing a firmware file absyaskawa.vhd with VHDL language then add in
> xilinx library so i can flash new firmware for my mesa card (i'm very new
> with FPGA,i need to learn VHDL first).
You might not need to do this.
It looks like the absolute dat
On 8 March 2018 at 09:39, Thắng Lê wrote:
> + Writing a firmware file absyaskawa.vhd with VHDL language then add in
> xilinx library so i can flash new firmware for my mesa card (i'm very new
> with FPGA,i need to learn VHDL first).
> + Modifying the abs_encoder.c file to add new HAL pin for y
Thank Andy, that is a big help!
So all the things i need to do are:
+ Writing a firmware file absyaskawa.vhd with VHDL language then add in
xilinx library so i can flash new firmware for my mesa card (i'm very new
with FPGA,i need to learn VHDL first).
+ Modifying the abs_encoder.c file to add
On 7 March 2018 at 10:57, Thắng Lê wrote:
> can i ask for a way to write a new firmware to get yaskawa absolute encoder.
...
> So first of all, i need a way to confirm the data i send is true. i assume
> i can use combo 5i25-->7i74--> converter rs-485 to rs-232 ( or usb) --> pc
> to debug in term
Hi EMC developers,
can i ask for a way to write a new firmware to get yaskawa absolute encoder.
My knowedge is limit so i cant find the way by myself therefore i need a
little bit help.
The yaskawa abs_encoder is a serial abs_encoder but it's using quadrature.
>From the the yaskawa document belo
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