tag:blogger.com,1999:blog-1589959253862674712.post1819304667013464442..comments2024-02-08T22:58:07.257+01:00Comments on Aeronetworks sro - Airborne Linux: Garmin SL40 ATC VHF Radio Serial Protocol in BashHerman J.H. Oosthuysenhttp://www.blogger.com/profile/17377909195162655283noreply@blogger.comBlogger4125tag:blogger.com,1999:blog-1589959253862674712.post-13215963202819157942020-09-06T16:29:04.548+02:002020-09-06T16:29:04.548+02:00Some googling will find a manual with the serial p...Some googling will find a manual with the serial protocol description, for example this one: http://www.aeroelectric.com/Installation_Data/Garmin/SL30_IM.pdfHerman J.H. Oosthuysenhttps://www.blogger.com/profile/17377909195162655283noreply@blogger.comtag:blogger.com,1999:blog-1589959253862674712.post-36811588152868662982020-09-06T16:26:19.937+02:002020-09-06T16:26:19.937+02:00This is long ago!
The minus 48 converts the charac...This is long ago!<br />The minus 48 converts the character from ASCII to a numerical value. <br />See this table https://www.asciitable.com/<br />Note that "0" == 48 decimal<br />So there is an offset of 48 for the numbers in the ASCII table.Herman J.H. Oosthuysenhttps://www.blogger.com/profile/17377909195162655283noreply@blogger.comtag:blogger.com,1999:blog-1589959253862674712.post-30760963675183851472020-09-02T16:20:30.220+02:002020-09-02T16:20:30.220+02:00Hi, me again. Isn't there a mistake?? KD=$(ech...Hi, me again. Isn't there a mistake?? KD=$(echo "$KHZ - 48" | bc) What is the script doing w/ Khz=0? e.g. 119.000 MHz?? And multiple of 25KHz is 4, yes, but that's not the way the script calulates it?? or did I miss something?<br />lve0200https://www.blogger.com/profile/08847559951392334083noreply@blogger.comtag:blogger.com,1999:blog-1589959253862674712.post-14705059172052275132020-09-02T15:49:04.373+02:002020-09-02T15:49:04.373+02:00Dear Sir, could you please unveil a source for the...Dear Sir, could you please unveil a source for the complete protocol, or at least hint a little, how to read, rather than write the active/standby frequencies?lve0200https://www.blogger.com/profile/08847559951392334083noreply@blogger.com