X-Git-Url: https://git.gag.com/?a=blobdiff_plain;f=src%2Fkernel%2Fao_kalman.c;h=4f4ffe8f1b6a813b532cd4fe751ed6d684f34b6b;hb=188f9efadd480de872f86a8eb741e8738db84c6b;hp=87f1bf66f6147e372edad8a94513802aa11c1774;hpb=12ef994a24eb996458092dc35c671d6b824b1576;p=fw%2Faltos diff --git a/src/kernel/ao_kalman.c b/src/kernel/ao_kalman.c index 87f1bf66..4f4ffe8f 100644 --- a/src/kernel/ao_kalman.c +++ b/src/kernel/ao_kalman.c @@ -24,9 +24,9 @@ #include "ao_sample.h" #include "ao_kalman.h" -static __pdata ao_k_t ao_k_height; -static __pdata ao_k_t ao_k_speed; -static __pdata ao_k_t ao_k_accel; +static ao_k_t ao_k_height; +static ao_k_t ao_k_speed; +static ao_k_t ao_k_accel; #define AO_K_STEP_100 to_fix_v(0.01) #define AO_K_STEP_2_2_100 to_fix_v(0.00005) @@ -37,18 +37,24 @@ static __pdata ao_k_t ao_k_accel; #define AO_K_STEP_1 to_fix_v(1) #define AO_K_STEP_2_2_1 to_fix_v(0.5) -__pdata ao_v_t ao_height; -__pdata ao_v_t ao_speed; -__pdata ao_v_t ao_accel; -__xdata ao_v_t ao_max_height; -static __pdata ao_k_t ao_avg_height_scaled; -__xdata ao_v_t ao_avg_height; +ao_v_t ao_height; +ao_v_t ao_speed; +ao_v_t ao_accel; +ao_v_t ao_max_height; +static ao_k_t ao_avg_height_scaled; +ao_v_t ao_avg_height; -__pdata ao_v_t ao_error_h; -__pdata ao_v_t ao_error_h_sq_avg; +ao_v_t ao_error_h; +#if !HAS_ACCEL || AO_FLIGHT_TEST +#define AO_ERROR_H_SQ_AVG 1 +#endif + +#if AO_ERROR_H_SQ_AVG +ao_v_t ao_error_h_sq_avg; +#endif #if HAS_ACCEL -__pdata ao_v_t ao_error_a; +ao_v_t ao_error_a; #endif static void @@ -83,7 +89,9 @@ ao_kalman_predict(void) static void ao_kalman_err_height(void) { +#if AO_ERROR_H_SQ_AVG ao_v_t e; +#endif ao_v_t height_distrust; #if HAS_ACCEL ao_v_t speed_distrust; @@ -91,6 +99,7 @@ ao_kalman_err_height(void) ao_error_h = ao_sample_height - (ao_v_t) (ao_k_height >> 16); +#if AO_ERROR_H_SQ_AVG e = ao_error_h; if (e < 0) e = -e; @@ -98,18 +107,19 @@ ao_kalman_err_height(void) e = 127; ao_error_h_sq_avg -= ao_error_h_sq_avg >> 4; ao_error_h_sq_avg += (e * e) >> 4; +#endif if (ao_flight_state >= ao_flight_drogue) return; height_distrust = ao_sample_alt - AO_MAX_BARO_HEIGHT; #if HAS_ACCEL - /* speed is stored * 16, but we need to ramp between 200 and 328, so + /* speed is stored * 16, but we need to ramp between 248 and 328, so * we want to multiply by 2. The result is a shift by 3. */ speed_distrust = (ao_speed - AO_MS_TO_SPEED(AO_MAX_BARO_SPEED)) >> (4 - 1); - if (speed_distrust <= 0) - speed_distrust = 0; - else if (speed_distrust > height_distrust) + if (speed_distrust > AO_MAX_SPEED_DISTRUST) + speed_distrust = AO_MAX_SPEED_DISTRUST; + if (speed_distrust > height_distrust) height_distrust = speed_distrust; #endif if (height_distrust > 0) {