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component time "Time on in Hours, Minutes, Seconds";
description
"""
Time
When the time.N.start bit goes true the cycle timer resets and starts
to time until time.N.start goes false. If you connect time.N.start to
halui.is-running as a cycle timer it will reset during a pause. See
the example connections below to keep the timer timing during a pause.
Time returns the hours, minutes, and seconds that time.N.start is true.
Sample pyVCP code to display the hours:minutes:seconds.
<pyvcp>
<hbox>
<label>
<text>"Cycle Time"</text>
<font>("Helvetica",14)</font>
</label>
<u32>
<halpin>"time-hours"</halpin>
<font>("Helvetica",14)</font>
<format>"2d"</format>
</u32>
<label>
<text>":"</text>
<font>("Helvetica",14)</font>
</label>
<u32>
<halpin>"time-minutes"</halpin>
<font>("Helvetica",14)</font>
<format>"2d"</format>
</u32>
<label>
<text>":"</text>
<font>("Helvetica",14)</font>
</label>
<u32>
<halpin>"time-seconds"</halpin>
<font>("Helvetica",14)</font>
<format>"2d"</format>
</u32>
</hbox>
</pyvcp>
In your post-gui.hal file you might use the following to connect it up
loadrt time
loadrt not
addf time.0 servo-thread
addf not.0 servo-thread
net prog-running not.0.in <= halui.program.is-idle
net cycle-timer time.0.start <= not.0.out
net cycle-seconds pyvcp.time-seconds <= time.0.seconds
net cycle-minutes pyvcp.time-minutes <= time.0.minutes
net cycle-hours pyvcp.time-hours <= time.0.hours
""";
author "John Thornton";
license "GPL";
// Input Pins
pin in bit start "Timer On";
// Output Pins
pin out u32 seconds "Seconds";
pin out u32 minutes "Minutes";
pin out u32 hours "Hours";
// Global Variables
variable double totalnsec;
variable int old_start;
function _;
;;
#include "rtapi_math.h"
FUNCTION(_) {
__u32 totalseconds;
if(start && !old_start) totalnsec = 0;
if(start){
totalnsec = totalnsec + period;
totalseconds = totalnsec * 0.000000001;
seconds = totalseconds % 60;
minutes = (totalseconds / 60) % 60;
hours = (totalseconds / 3600);
}
old_start = start;
}
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