Mirror/ardupilot
5
0
Fork 0
mirror of https://github.com/ArduPilot/ardupilot synced 2025-01-11 10:28:29 -04:00
Code Issues Packages Projects Releases Wiki Activity

Disabled Ryans filter until we get real-world testing in.

Browse Source
This commit is contained in:
Jason Short 2012-01-13 12:48:02 -08:00
parent 05dce91c24
commit 589f8bc557
1 changed files with 7 additions and 5 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

12
ArduCopter/navigation.pde
View File

@ -46,25 +46,26 @@ static void calc_XY_velocity(){
static int32_t last_longitude = 0;
static int32_t last_latitude = 0;
static int16_t x_speed_old = 0;
static int16_t y_speed_old = 0;
//static int16_t x_speed_old = 0;
//static int16_t y_speed_old = 0;
// y_GPS_speed positve = Up
// x_GPS_speed positve = Right
// this speed is ~ in cm because we are using 10^7 numbers from GPS
float tmp = 1.0/dTnav;
//float tmp = 5;
// straightforward approach:
/*
///*
int16_t x_estimate = (float)(g_gps->longitude - last_longitude) * tmp;
int16_t y_estimate = (float)(g_gps->latitude - last_latitude) * tmp;
// slight averaging filter
x_GPS_speed = (x_GPS_speed + x_estimate) >> 1;
y_GPS_speed = (y_GPS_speed + y_estimate) >> 1;
*/
//*/
/*
// Ryan Beall's forward estimator:
int16_t x_speed_new = (float)(g_gps->longitude - last_longitude) * tmp;
int16_t y_speed_new = (float)(g_gps->latitude - last_latitude) * tmp;
@ -74,6 +75,7 @@ static void calc_XY_velocity(){
x_speed_old = x_speed_new;
y_speed_old = y_speed_new;
*/
last_longitude = g_gps->longitude;
last_latitude = g_gps->latitude;