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mmdvm

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mmdvm [2018/11/13 19:32]
dg9vh [No Pi-Star installed yet:]
mmdvm [2022/09/13 14:32]
dj7lc [Working example]
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-====== How to set up Pi* for PROCSAC ​(DAPNET) with MMDVM_HS_HAT or MMDVM_DUAL_HAT ======+====== How to set up Pi* for POCSAG ​(DAPNET) with MMDVM_HS_HAT or MMDVM_DUAL_HAT ======
  
 Already have a working installation of Pi-Star (Pi*)? Already have a working installation of Pi-Star (Pi*)?
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 for Upgrading MMDVM_HS_Hat board conected to GPIO you have to enter the command: for Upgrading MMDVM_HS_Hat board conected to GPIO you have to enter the command:
-<​code>​sudo pistar-mmdvmhshatflash hs_hat ​[Enter]</​code>​+<​code>​sudo pistar-mmdvmhshatflash hs_hat</​code>​
  
 for upgrading the original MMDVM-HS_DUAL_HAT board (made by Andy, Florian (DF2ET) and DB9HAT) conected to GPIO  you have to enter the command: for upgrading the original MMDVM-HS_DUAL_HAT board (made by Andy, Florian (DF2ET) and DB9HAT) conected to GPIO  you have to enter the command:
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 If you get a message that the flashing process was successfull,​ the hardest part is done. If not, repeat flashing or ask for help in the "​MMDVM-BM"​ or "​DAPNET User" Telegram-Messenger Groups. If you get a message that the flashing process was successfull,​ the hardest part is done. If not, repeat flashing or ask for help in the "​MMDVM-BM"​ or "​DAPNET User" Telegram-Messenger Groups.
 +
 +Newer board variants are equipped with a 12.288MHz TCXO and require a firmware with different settings. The commands above flash a 14.7456MHz firmware. To upgrade boards with a 12.288MHz use the following commands:
 +
 +<​code>​sudo pistar-mmdvmhshatflash hs_hat-12mhz</​code>​
 +
 +respectively
 +
 +<​code>​sudo pistar-mmdvmhshatflash hs_dual_hat-12mhz</​code>​
 +
 +Be sure to identify your TCXO before flashing the firmware!
  
  
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         #!/bin/bash         #!/bin/bash
-        RETVAL=$(curl -u <​username>:<​password>​ https://www.hampager.de/​api/​transmitters/<​yourtransmittercallsign>​ | grep ERROR | wc -c)+        RETVAL=$(curl -u <​username>:<​password>​ https://​hampager.de/​api/​transmitters/<​yourtransmittercallsign>​ | egrep -h "​OFFLINE|ERROR" ​| wc -c)
         if [ "​$RETVAL"​ -gt 0 ]; then         if [ "​$RETVAL"​ -gt 0 ]; then
                 sudo systemctl stop dapnetgateway.service > /dev/null 2>&1                 sudo systemctl stop dapnetgateway.service > /dev/null 2>&1
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 Remember to switch the sd-card to read-write-access with ''​rpi-rw''​ before creating the file in your home-directory. Also remind to make it executable with ''​chmod +x yourscriptname.sh''​ Remember to switch the sd-card to read-write-access with ''​rpi-rw''​ before creating the file in your home-directory. Also remind to make it executable with ''​chmod +x yourscriptname.sh''​
 +
 +
 +===== Working example =====
 +
 +The transmitter DM0HL is equipped with a MMDVM board and a Motorola GM380 (see [[9k6|9k6]] for pinout). Pictures provided by Michael DO1RL
 +{{:​gm380-mmdvm.jpg?​400|}}
 +{{:​gm380-mmdvm-boxed.jpg?​400|}}
mmdvm.txt · Zuletzt geändert: 2023/02/24 17:35 von do1goe