From 602d6a2424a5c16e22febf6b4e6b3816022261c7 Mon Sep 17 00:00:00 2001 From: Keith Packard Date: Fri, 20 Jun 2014 00:41:17 -0700 Subject: altos/aprs: Encode last serial number in SSID. Transmit serial in comment This makes it a lot easier to tell which device is sending information, and to receive data from multiple devices on the same receiver. Signed-off-by: Keith Packard --- src/drivers/ao_aprs.c | 4 ++++ 1 file changed, 4 insertions(+) (limited to 'src/drivers') diff --git a/src/drivers/ao_aprs.c b/src/drivers/ao_aprs.c index 8a1b6a4d..c33016f0 100644 --- a/src/drivers/ao_aprs.c +++ b/src/drivers/ao_aprs.c @@ -261,6 +261,7 @@ static uint8_t TNC_AX25_HEADER[] = { #define TNC_CALLSIGN_OFF 7 #define TNC_CALLSIGN_LEN 6 +#define TNC_SSID_OFF 13 static void tncSetCallsign(void) @@ -275,6 +276,7 @@ tncSetCallsign(void) } for (; i < TNC_CALLSIGN_LEN; i++) TNC_AX25_HEADER[TNC_CALLSIGN_OFF + i] = ' ' << 1; + TNC_AX25_HEADER[TNC_SSID_OFF] = 0x60 | ((ao_serial_number % 10) << 1); #endif } @@ -530,6 +532,7 @@ static int tncComment(uint8_t *buf) #ifdef AO_SENSE_MAIN " M%d.%d" #endif + " %d" , ao_gps_locked(), ao_num_sats(), battery/10, @@ -542,6 +545,7 @@ static int tncComment(uint8_t *buf) , main/10, main%10 #endif + , ao_serial_number ); #else return sprintf((char *) buf, -- cgit v1.2.3