Machine warning lights (Red, Amber, Green)
07 Jan 2017 00:48 - 07 Jan 2017 00:56 #85379
by bevins
Replied by bevins on topic Machine warning lights (Red, Amber, Green)
Todd,
Thats cool. Definately going to do this to mine. I think while it is moving, the green light should not flash. so when it is moving via the step, the green light should stop flashing and be on until the step completes. No?
That is way cool.
Thats cool. Definately going to do this to mine. I think while it is moving, the green light should not flash. so when it is moving via the step, the green light should stop flashing and be on until the step completes. No?
That is way cool.
Last edit: 07 Jan 2017 00:56 by bevins.
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07 Jan 2017 01:51 #85382
by rodw
If you could live with just changing the frequency of the flashing, you could extend this code to use multiple siggens set for different frequency (eg, slow = error1, medium = error2, fast = error3)
Replied by rodw on topic Machine warning lights (Red, Amber, Green)
Ooooh I am liking this as it it similar to what I want to do. However mine differs in the light bit. I am after the ability to flash a light (basically pulsing an output) to signify different machine status. I have a BD679 attached to pin 14 on my BOB that handles the flashing side of it, its the flashing/pulsing the output in linuxcnc that has me stumped.
If you could live with just changing the frequency of the flashing, you could extend this code to use multiple siggens set for different frequency (eg, slow = error1, medium = error2, fast = error3)
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07 Jan 2017 02:27 #85384
by racedirector
Replied by racedirector on topic Machine warning lights (Red, Amber, Green)
I like that idea! Off to study siggen!
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07 Jan 2017 03:32 #85385
by beltramidave
Replied by beltramidave on topic Machine warning lights (Red, Amber, Green)
Rodw,
That is cool. Could you post your completed hal code for this?
That is cool. Could you post your completed hal code for this?
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07 Jan 2017 04:46 #85388
by rodw
I didn't want to distract from the flashing lights too much so I posted it on my build thread here
Replied by rodw on topic Machine warning lights (Red, Amber, Green)
Rodw,
That is cool. Could you post your completed hal code for this?
I didn't want to distract from the flashing lights too much so I posted it on my build thread here
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07 Jan 2017 04:51 #85389
by rodw
I kind of like it the way it is. To me, the flashing light is telling me you can't walk away from it yet as while its running, its going to stop again soon. My goal was to be able to monitor the system from a distance.
Replied by rodw on topic Machine warning lights (Red, Amber, Green)
Todd,
Thats cool. Definately going to do this to mine. I think while it is moving, the green light should not flash. so when it is moving via the step, the green light should stop flashing and be on until the step completes. No?
That is way cool.
I kind of like it the way it is. To me, the flashing light is telling me you can't walk away from it yet as while its running, its going to stop again soon. My goal was to be able to monitor the system from a distance.
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17 Jan 2017 13:09 - 17 Jan 2017 13:09 #85913
by andypugh
Replied by andypugh on topic Machine warning lights (Red, Amber, Green)
I would probably do this with a LUT5 component for each light.
The good thing LUT5 is that it is very easy to change the behaviour.
The bad thing about LUT5 is that it is a bit hard to understand.
LUT5 lets you combine 5 inputs to give 1 output, and the relationship between the inputs and the outputs is completely flexible, you define the output state for each of the 32 possible input states.
(You can feed the output of a LUT5 to another LUT5 if you need more inputs)
(You can feed the output of the LUT5 to one of its own inputs if you need a state-aware behaviour, such as a toggle)
In this case I would wire-up each LUT5 exactly the same. With flash on input0 and the machine states on the other inputs. One neat thing that this lets you do is have the lights flash in antiphase, if you set the output true when the pulse is true for one light (+ other conditions) and true when pulse is false for a different light (plus condition inputs)
If you are a programmer and I tell you that the 5 inputs are converted to a value from 0 to 32 and that is used to pick one bit from the 32-bit "parameter" value that defines the LUT5 then it will be instatntly obvious how to use it.
If you are not a programmer then you might like to use this online tool I made:
docs.google.com/spreadsheets/d/1_VlL39jU...E3JitvLzs/edit#gid=0
The good thing LUT5 is that it is very easy to change the behaviour.
The bad thing about LUT5 is that it is a bit hard to understand.
LUT5 lets you combine 5 inputs to give 1 output, and the relationship between the inputs and the outputs is completely flexible, you define the output state for each of the 32 possible input states.
(You can feed the output of a LUT5 to another LUT5 if you need more inputs)
(You can feed the output of the LUT5 to one of its own inputs if you need a state-aware behaviour, such as a toggle)
In this case I would wire-up each LUT5 exactly the same. With flash on input0 and the machine states on the other inputs. One neat thing that this lets you do is have the lights flash in antiphase, if you set the output true when the pulse is true for one light (+ other conditions) and true when pulse is false for a different light (plus condition inputs)
If you are a programmer and I tell you that the 5 inputs are converted to a value from 0 to 32 and that is used to pick one bit from the 32-bit "parameter" value that defines the LUT5 then it will be instatntly obvious how to use it.
If you are not a programmer then you might like to use this online tool I made:
docs.google.com/spreadsheets/d/1_VlL39jU...E3JitvLzs/edit#gid=0
Last edit: 17 Jan 2017 13:09 by andypugh.
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17 Jan 2017 13:26 #85916
by rodw
Replied by rodw on topic Machine warning lights (Red, Amber, Green)
Andy, Thanks I did actually look at LUT5 when planning this out but I'm afraid my eyes glazed over with the binary maths as its been so long since I played with assembler and low level C stuff I lost some brain cells.....
I think some of the warning mast lights (some have 4 and 5 lights eg they also have a white and/or blue light) are driven by logic signals rather than individual wires so I suspect that LUT5 would have a place with this hardware.
I think some of the warning mast lights (some have 4 and 5 lights eg they also have a white and/or blue light) are driven by logic signals rather than individual wires so I suspect that LUT5 would have a place with this hardware.
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17 Jan 2017 14:16 #85920
by bevins
oooooh! thats interesting.....But my head hurts thinking about it....
Replied by bevins on topic Machine warning lights (Red, Amber, Green)
I would probably do this with a LUT5 component for each light.
The good thing LUT5 is that it is very easy to change the behaviour.
The bad thing about LUT5 is that it is a bit hard to understand.
LUT5 lets you combine 5 inputs to give 1 output, and the relationship between the inputs and the outputs is completely flexible, you define the output state for each of the 32 possible input states.
(You can feed the output of a LUT5 to another LUT5 if you need more inputs)
(You can feed the output of the LUT5 to one of its own inputs if you need a state-aware behaviour, such as a toggle)
In this case I would wire-up each LUT5 exactly the same. With flash on input0 and the machine states on the other inputs. One neat thing that this lets you do is have the lights flash in antiphase, if you set the output true when the pulse is true for one light (+ other conditions) and true when pulse is false for a different light (plus condition inputs)
If you are a programmer and I tell you that the 5 inputs are converted to a value from 0 to 32 and that is used to pick one bit from the 32-bit "parameter" value that defines the LUT5 then it will be instatntly obvious how to use it.
If you are not a programmer then you might like to use this online tool I made:
docs.google.com/spreadsheets/d/1_VlL39jU...E3JitvLzs/edit#gid=0
oooooh! thats interesting.....But my head hurts thinking about it....
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17 Jan 2017 21:34 #86007
by rodw
Bevins, I think Andy and Todd should have a code writing shootout and those of us with headaches can pick the winner! What do you think?
Replied by rodw on topic Machine warning lights (Red, Amber, Green)
I would probably do this with a LUT5 component for each light.
The good thing LUT5 is that it is very easy to change the behaviour.
The bad thing about LUT5 is that it is a bit hard to understand.
oooooh! thats interesting.....But my head hurts thinking about it....
Bevins, I think Andy and Todd should have a code writing shootout and those of us with headaches can pick the winner! What do you think?
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