From 94f94260ace13688285fc8c62687079b26c18854 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.de>
Date: Sun, 20 Dec 2020 15:18:02 +0100
Subject: Submodule-cache WIP

---
 .../RefLibs/src/ControllerFunctions/pid.c          | 97 ----------------------
 1 file changed, 97 deletions(-)
 delete mode 100644 fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/pid.c

(limited to 'fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/pid.c')

diff --git a/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/pid.c b/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/pid.c
deleted file mode 100644
index 51aa633..0000000
--- a/fw/midi-dials/Drivers/CMSIS/DSP/DSP_Lib_TestSuite/RefLibs/src/ControllerFunctions/pid.c
+++ /dev/null
@@ -1,97 +0,0 @@
-#include "ref.h"
-
-float32_t ref_pid_f32(
-	arm_pid_instance_f32 * S,
-	float32_t in)
-{
-	float32_t out;
-
-	/* y[n] = y[n-1] + A0 * x[n] + A1 * x[n-1] + A2 * x[n-2]  */
-	out = S->state[2] + S->A0 * in + S->A1 * S->state[0] + S->A2 * S->state[1];
-
-	/* Update state */
-	S->state[1] = S->state[0];
-	S->state[0] = in;
-	S->state[2] = out;
-
-	/* return to application */
-	return (out);
-}
-
-q31_t ref_pid_q31(
-	arm_pid_instance_q31 * S,
-	q31_t in)
-{
-	q63_t acc;
-	q31_t out;
-
-	/* acc = A0 * x[n]  */
-	acc = (q63_t) S->A0 * in;
-
-	/* acc += A1 * x[n-1] */
-	acc += (q63_t) S->A1 * S->state[0];
-
-	/* acc += A2 * x[n-2]  */
-	acc += (q63_t) S->A2 * S->state[1];
-
-	/* convert output to 1.31 format to add y[n-1] */
-	out = (q31_t) (acc >> 31U);
-
-	/* out += y[n-1] */
-	out += S->state[2];
-
-	/* Update state */
-	S->state[1] = S->state[0];
-	S->state[0] = in;
-	S->state[2] = out;
-
-	/* return to application */
-	return (out);
-}
-
-q15_t ref_pid_q15(
-	arm_pid_instance_q15 * S,
-	q15_t in)
-{
-	q63_t acc;
-	q15_t out;
-	q15_t A1, A2;
-	
-#if defined (ARM_MATH_DSP)
-   
-#ifndef  ARM_MATH_BIG_ENDIAN
-	A2 = S->A1 >> 16;
-	A1 = (q15_t)S->A1;	
-#else
-	A1 = S->A1 >> 16;
-	A2 = (q15_t)S->A1;	
-#endif
-   
-#else
-	
-	A1 = S->A1;
-	A2 = S->A2;
-	
-#endif	
-	
-	/* acc = A0 * x[n]  */
-	acc = ((q31_t) S->A0) * in;
-
-	/* acc += A1 * x[n-1] + A2 * x[n-2]  */
-	acc += (q31_t) A1 * S->state[0];
-	acc += (q31_t) A2 * S->state[1];
-
-	/* acc += y[n-1] */
-	acc += (q31_t) S->state[2] << 15;
-
-	/* saturate the output */
-	out = ref_sat_q15(acc >> 15);
-
-	/* Update state */
-	S->state[1] = S->state[0];
-	S->state[0] = in;
-	S->state[2] = out;
-
-	/* return to application */
-	return (out);
-}
-- 
cgit