Hello Andy,
I tried to disable the highest numbered Stepgen(9th in our case) and got the
following DMESG o/P :
[ 2136.149105] hm2/hm2_5i25.0: 34 I/O Pins used:
[ 2136.149109] hm2/hm2_5i25.0: IO Pin 000 (P3-01): StepGen #0, pin
Direction (Output)
[ 2136.149112] hm2/hm2_5i25.0: IO Pin 001 (P3-14): StepGen #0, pin Step
(Output)
[ 2136.149115] hm2/hm2_5i25.0: IO Pin 002 (P3-02): StepGen #1, pin
Direction (Output)
[ 2136.149118] hm2/hm2_5i25.0: IO Pin 003 (P3-15): StepGen #1, pin Step
(Output)
[ 2136.149121] hm2/hm2_5i25.0: IO Pin 004 (P3-03): StepGen #2, pin
Direction (Output)
[ 2136.149123] hm2/hm2_5i25.0: IO Pin 005 (P3-16): StepGen #2, pin Step
(Output)
[ 2136.149126] hm2/hm2_5i25.0: IO Pin 006 (P3-04): StepGen #3, pin
Direction (Output)
[ 2136.149129] hm2/hm2_5i25.0: IO Pin 007 (P3-17): StepGen #3, pin Step
(Output)
[ 2136.149131] hm2/hm2_5i25.0: IO Pin 008 (P3-05): StepGen #4, pin
Direction (Output)
[ 2136.149134] hm2/hm2_5i25.0: IO Pin 009 (P3-06): StepGen #4, pin Step
(Output)
[ 2136.149137] hm2/hm2_5i25.0: IO Pin 010 (P3-07): Smart Serial Interface
#0, pin TxData0 (Output)
[ 2136.149140] hm2/hm2_5i25.0: IO Pin 011 (P3-08): Smart Serial Interface
#0, pin RxData0 (Input)
[ 2136.149143] hm2/hm2_5i25.0: IO Pin 012 (P3-09): IOPort
[ 2136.149145] hm2/hm2_5i25.0: IO Pin 013 (P3-10): IOPort
[ 2136.149148] hm2/hm2_5i25.0: IO Pin 014 (P3-11): Encoder #0, pin Index
(Input)
[ 2136.149150] hm2/hm2_5i25.0: IO Pin 015 (P3-12): Encoder #0, pin B (Input)
[ 2136.149153] hm2/hm2_5i25.0: IO Pin 016 (P3-13): Encoder #0, pin A (Input)
[ 2136.149156] hm2/hm2_5i25.0: IO Pin 017 (P2-01): StepGen #5, pin
Direction (Output)
[ 2136.149158] hm2/hm2_5i25.0: IO Pin 018 (P2-14): StepGen #5, pin Step
(Output)
[ 2136.149161] hm2/hm2_5i25.0: IO Pin 019 (P2-02): StepGen #6, pin
Direction (Output)
[ 2136.149165] hm2/hm2_5i25.0: IO Pin 020 (P2-15): StepGen #6, pin Step
(Output)
[ 2136.149167] hm2/hm2_5i25.0: IO Pin 021 (P2-03): StepGen #7, pin
Direction (Output)
[ 2136.149172] hm2/hm2_5i25.0: IO Pin 022 (P2-16): StepGen #7, pin Step
(Output)
[ 2136.149174] hm2/hm2_5i25.0: IO Pin 023 (P2-04): IOPort
[ 2136.149176] hm2/hm2_5i25.0: IO Pin 024 (P2-17): IOPort
[ 2136.149179] hm2/hm2_5i25.0: IO Pin 025 (P2-05): PWMGen #0, pin Out0 (PWM
or Up) (Output)
[ 2136.149182] hm2/hm2_5i25.0: IO Pin 026 (P2-06): PWMGen #0, pin
Not-Enable (Output)
[ 2136.149185] hm2/hm2_5i25.0: IO Pin 027 (P2-07): PWMGen #0, pin Out1 (Dir
or Down) (Output)
[ 2136.149187] hm2/hm2_5i25.0: IO Pin 028 (P2-08): IOPort
[ 2136.149189] hm2/hm2_5i25.0: IO Pin 029 (P2-09): IOPort
[ 2136.149191] hm2/hm2_5i25.0: IO Pin 030 (P2-10): IOPort
[ 2136.149194] hm2/hm2_5i25.0: IO Pin 031 (P2-11): Encoder #1, pin Index
(Input)
[ 2136.149196] hm2/hm2_5i25.0: IO Pin 032 (P2-12): Encoder #1, pin B (Input)
[ 2136.149199] hm2/hm2_5i25.0: IO Pin 033 (P2-13): Encoder #1, pin A (Input)
I changed num_stepgen=8 in config string rather than 9 earlier.
So, the highest numbered stepgen become GPIO pins as 023 and 024 .
I tried to redirect the PWM output to one of this pin as follows but it says
this pin dosen't exist
net pwm-generate => hm2_5i25.0.gpio.023
1.) How should I use this pin now ?
And also, I called write_gpio function as follows within base thread:
addf hm2_5i25.0.write_gpio base-thread
BRAdit
From: andy pugh <[email protected]>
To: adit bhargava <[email protected]>
Cc: Enhanced Machine Controller (EMC) <[email protected]>
Sent: Friday, April 22, 2016 4:50 PM
Subject: Re: [Emc-users] Need to add a faster thread base-thread with 100
microseconds, Compilation changes required !!!
On 22 April 2016 at 15:43, adit bhargava <[email protected]> wrote:
> Does this mean that if I redirect the PWM output to 5i25 GPIO pin(after
> disabling the stepgen),
> the PWM signal will be forwarded to 7i76 also ?
No, the 5i25 pins currently associated with the highest-numbered
stepgen are hard-wired to the port that you (probably) have the 7i78
connected to.
Though you could swap the 7i78 and 7i76 ports.
--
atp
"A motorcycle is a bicycle with a pandemonium attachment and is
designed for the especial use of mechanical geniuses, daredevils and
lunatics."
— George Fitch, Atlanta Constitution Newspaper, 1916
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