249 lines
5.7 KiB
Text
249 lines
5.7 KiB
Text
Nextion Display Layouts by ON7LDS (for MMDVMHost)
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=================================================
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####################################
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# #
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# screenLayout 3 & 4 files (-L3) #
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# #
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# ON7LDS DIY layouts #
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# #
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####################################
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The screenlayout has to be selected with the parameter ScreenLayout in the
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MMDVM.ini file under the Nextion section. This way, the extra functions
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are activated.
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0 = auto (future use, for now it's G4KLX layout)
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1 = G4KLX layout
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2 = ON7LDS layout (see README-L2)
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3 = ON7LDS DIY layout (this README file)
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4 = ON7LDS DIY layout High Speed (this README file)
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screenLayout 3 and 4 are the same, but selecting 3, MMDVMHost will communicate
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at 9600bps with the display and selecting 4 will set the baudrate to 115200.
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If you select 4 (115200bps) *you* have to program your Nextion to default to
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that baudrate.
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How to set the default Nextion Display baudrate ?
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You could use the Nextion editor, connect to your display with the debug
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tool (do not forget to select your display and not the simulator) and
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give the command 'bauds=115200'.
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Another option is to set the command above in the Preinitialization Event
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of the first page. Nextion recommends to do the latter in any case,
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because 'on rare occasions bauds has become lost'
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ON7LDS DIY layouts
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------------------
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When selecting this layout, all processing can and should be done in the
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Nextion display itself.
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Whenever MMDVMHost sends new data to the screen, it also sends information
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about what was sent as a number in global variable MMDVM.status.
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(see further in this document for a table of numbers and their events)
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Then MMDVMHost activates the Touch Press Event of object 'S0' of the
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active page.
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In this event procedure, all processing can be done.
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Check the Touch Press Event of object 'S0' of the DMR page of the example
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HMI file. As a straightforward example, the code there will show you how
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to do some tasks when receiving data from MMDVMHost or NextionDriver:
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- change colors and fonts of the TA on the DMR page when it arrives.
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(TA length calculation is done in the display itself !)
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- remove the slot number from t2.txt (since it's always 2)
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- in the middle of the DMR screen, the previous user is displayed
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for each slot (S1 at the left, S2 at the right)
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This is done by copying the data from the ID/TA field to these
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fields at call end.
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The examples are there to give you an idea of what can be done.
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It is up to your imagination to go even further.
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When, for example, you want to change the text 'listening' to some
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other text, like 'RX', you just have to monitor the event status and
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take action in the Touch Event of S0 of the corresponding page.
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Or you could hide/show pictures, switch to other pages, etc.
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Check the NextionDriver program and the display layouts there to see
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some other examples of what can be done by programming in the
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display. (https://github.com/on7lds/NextionDriver)
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NOTE: it might be good to *not* remove fields from the display when you do not
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need them, but make them small (i.e. 10 x 10 pixels) and put them aside:
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Give them the same font colour and background colour as where you put them
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OR
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Put them behind some picture: put them on top of the picture, then select the
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picture and click the 'Bring Top' button to put it on top of all those fields
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OR
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set them invisible when the page is selected (with the 'vis' command) in the
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preinitialize event of the page
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This way, you can use the data from the fields to process them
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as is done with the GPS data in the example.
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Status codes that will be sent:
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-------------------------------
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The status code gives more information about which type of information
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was sent to the display.
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1 : page MMDVM
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2 : page D-Star
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3 : page DMR
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4 : page YSF
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5 : page P25
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6 : page NXDN
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7 : page POCSAG
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8 : page M17
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MMDVMHOST
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11 : IDLE
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12 : CW
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13 : ERROR text
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14 : ERROR
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15 : LOCKOUT
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16 : IPaddress
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17 : ID/Call (t0 and t4,t5 are sent)
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19 : END
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20 : RX Frequency
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21 : TX Frequency
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22 : Temperature
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23 : Location
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DSTAR
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41 : D-Star listening
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42 : type/my1/my2
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45 : your
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46 : reflector
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47 : RSSI
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48 : ber
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DMR
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61 : DMR listening1
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62 : ID1
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63 : TA1
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64 : Call end1
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65 : TG1
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66 : RSSI1
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67 : ber1
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69 : DMR listening2
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70 : ID2
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71 : TA2
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72 : Call end2
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73 : TG2
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74 : RSSI2
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75 : ber2
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76 : GPS1 (t8,t9,t12)
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77 : GPS2 (t10,t11,t13)
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YSF
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81 : YSF listening
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82 : src
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83 : dest
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84 : origin
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85 : RSSI
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86 : ber
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P25
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101 : P25 listening
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102 : source
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103 : dest
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104 : RSSI
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105 : ber
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NXDN
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121 : NXDN listening
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122 : source
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123 : dest
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124 : RSSI
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125 : ber
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POCSAG
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132 : RIC
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133 : message text
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134 : waiting
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M17
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141 : M17 listening
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142 : source
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143 : dest
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144 : RSSI
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145 : ber
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Fields (and their numbers) on the pages, used by MMDVMHost
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----------------------------------------------------------
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MMDVM
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t0 : owner call & ID / errortext LOCKOUT
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t1 : status / ERROR
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t2 : date & time
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screenLayout >2 :
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t3 : ip address
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t4 : owner call
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t5 : owner ID
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t20 : CPU Temperature in C. ( Can be changed to F in mmdmvhost config setting: [NEXTION] Section, Setting=DisplayTempInFahrenheit=1)
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t30 : RX Frequency
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t31 : Location
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t32 : TX Frequency
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D-Star
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t0 : type my1 my2
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t1 : your
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t2 : reflector
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t3 : rssi
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t4 : ber
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DMR
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t0 : src1 id / call / TA
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t1 : dst
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t2 : src2 id / call / TA
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t3 : dst
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t4 : rssi1
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t5 : rssi2
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t6 : ber1
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t7 : ber2
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screenLayout >2 :
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t8 : GPS1 dec
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t9 : GPS1 DMS
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t10: GPS2 dec
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t11: GPS2 DMS
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t12: GPS1 err
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t13: GPS2 err
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YSF
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t0 : type,source
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t1 : dst
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t2 : src
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t3 : rssi
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t4 : ber
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P25
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t0 : type,source
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t1 : dst
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t2 : rssi
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t3 : ber
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NXDN
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t0 : type,source
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t1 : dst
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t2 : rssi
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t3 : ber
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POCSAG
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t0 : waiting / RIC
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t1 : message
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M17
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t0 : source
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t1 : dst
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t2 : rssi
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t3 : ber
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