root@linkmeter:/tmp# ./hmdude -P /dev/ttyS1 -v -v -v -v -v
hmdude: compiled on Feb  7 2012 at 17:39:25
Using port: /dev/ttyS1
Starting sync (release RESET now)...
hmdude: Send: . [0a] / [2f] r [72] e [65] b [62] o [6f] o [6f] t [74] . [0a]
hmdude: Send: 0 [30]   [20]
drain>00 <drain
hmdude: Send: 0 [30]   [20]
hmdude: ser_recv(): programmer is not responding
Sync: ERROR
hmdude: Send: 0 [30]   [20]
drain><drain
hmdude: Send: 0 [30]   [20]
hmdude: ser_recv(): programmer is not responding
Sync: ERROR
hmdude: Send: 0 [30]   [20]
drain><drain
hmdude: Send: 0 [30]   [20]
hmdude: Recv: . [00]
hmdude: stk500_getsync(): not in sync: resp=0x00
drain>0a 24 55 43 49 44 2c 48 65 61 74 65 72 4d 65 74 65 72 2c 32 30 31 32 30 31 32 34 30 0a <drain
Sync: ERROR
hmdude: Send: 0 [30]   [20]
drain>24 48 4d 53 55 2c 32 32 35 2c 37 32 2e 30 2c 55 2c 55 2c 55 2c 31 30 30 2c 31 30 30 2c 30 0a <drain
hmdude: Send: 0 [30]   [20]
hmdude: ser_recv(): programmer is not responding
Sync: ERROR
hmdude: Send: 0 [30]   [20]
drain><drain
hmdude: Send: 0 [30]   [20]
hmdude: Recv: $ [24]
hmdude: stk500_getsync(): not in sync: resp=0x24
drain>48 4d 53 55 2c 32 32 35 2c 37 32 2e 32 2c 55 2c 55 2c 55 2c 31 30 30 2c 31 30 30 2c 30 0a <drain
Sync: HeaterMeter
hmdude: Send: . [0a] / [2f] r [72] e [65] b [62] o [6f] o [6f] t [74] . [0a]