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   PID: SoupGate-Win32 v1.05   
   In article , news@druck.org.uk says...   
   >   
   > On 20/09/2024 11:17, John Aldridge wrote:   
   > [Reading ds18b20 sensors in parallel]   
   > > No, but AIUI the "right" way to do this is to send the text "trigger" to   
   > > /sys/bus/w1/devices/w1_bus_master1/therm_bulk_read before reading the   
   > > values as normal. The trigger causes them all to start a conversion at   
   > > once, following which the reads all complete immediately once a single   
   > > conversion time has elapsed.   
   > >   
   > > As a quick hack, try executing the following before reading your   
   > > sensors...   
   > >   
   > > sudo su < > echo trigger > /sys/bus/w1/devices/w1_bus_master1/therm_bulk_read   
   > > EOF   
   >   
   > Thanks, that seems to works for the first bus, but I get a permission   
   > denied when using w1_bus_master2.   
      
   Sorry, I've no idea why that might be :(   
      
   Though I do recall the permission checking being a bit odd -- hence the   
   "sudo su" rather than a plain "sudo".   
      
   --   
   John   
      
   --- SoupGate-Win32 v1.05   
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