state: 0 standby, 1 ready, 2 ignited, 3 10s, 4 parachute
-
read_buttn()long press: erase flash, short press: state 0->1, or (2,3,4)->0 -
updt_accel()state = 0, nothing state > 0, f=200hz to flash only sampling vertical component -
updt_barom()state = 0, f=max state > 0, f=max to flash -
updt_gps()state = any, f=1Hz to XBee -
igni_stage()when t>t_burn AND h>h_min AND state 2 -
igni_parac()when h_max>1000m AND h<h_parachute AND state 3 -
rset_flash() -
writ_flash()write only values with flag=1 time_stamp[13 bits]+code[3 bits] code: 0 accel data 1 barom data 2 launch 3 ignition 2nd stage 4 ignition parachute 5 2nd ignition failed h<hmin -
send_xbee()always send GPS when flag=1 -
send_info()when serial input = info -
updt_leds() -
dump_flash()when serial input = dump