Fix const errors when compiling for Cortex M0

Source/FilteringFunctions/arm_biquad_cascade_df1_q15.c

@@ -301,7 +301,7 @@ void arm_biquad_cascade_df1_q15(
 
   /* Run the below code for Cortex-M0 */
 
-  q15_t *pIn = pSrc;                             /*  Source pointer                               */
+  const q15_t *pIn = pSrc;                           /*  Source pointer          */
   q15_t *pOut = pDst;                                /*  Destination pointer     */
   q15_t b0, b1, b2, a1, a2;                          /*  Filter coefficients     */
   q15_t Xn1, Xn2, Yn1, Yn2;                          /*  Filter state variables  */

Source/FilteringFunctions/arm_fir_interpolate_f32.c

@@ -476,7 +476,7 @@ void arm_fir_interpolate_f32(
   float32_t *pState = S->pState;                 /* State pointer */
   const float32_t *pCoeffs = S->pCoeffs;               /* Coefficient pointer */
   float32_t *pStateCurnt;                        /* Points to the current sample of the state */
-  float32_t *ptr1, *ptr2;                        /* Temporary pointers for state and coefficient buffers */
+  const float32_t *ptr1, *ptr2;                  /* Temporary pointers for state and coefficient buffers */
 
 
   float32_t sum;                                 /* Accumulator */

Source/FilteringFunctions/arm_fir_interpolate_q15.c

@@ -431,7 +431,7 @@ void arm_fir_interpolate_q15(
       ptr1 = pState;
 
       /* Initialize coefficient pointer */
-      ptr2 = pCoeffs + (i - 1U);
+      ptr2 = (q15_t*) pCoeffs + (i - 1U);
 
       /* Loop over the polyPhase length */
       tapCnt = (uint32_t) phaseLen;

Source/FilteringFunctions/arm_fir_interpolate_q31.c

@@ -428,7 +428,7 @@ void arm_fir_interpolate_q31(
       ptr1 = pState;
 
       /* Initialize coefficient pointer */
-      ptr2 = pCoeffs + (i - 1U);
+      ptr2 = (q31_t*) pCoeffs + (i - 1U);
 
       tapCnt = phaseLen;
 

Source/FilteringFunctions/arm_fir_lattice_q31.c

@@ -263,8 +263,8 @@ void arm_fir_lattice_q31(
 {
   q31_t *pState;                                 /* State pointer */
   const q31_t *pCoeffs = S->pCoeffs;             /* Coefficient pointer */
-  const q31_t *px;                                     /* temporary state pointer */
-  q31_t *pk;                                     /* temporary coefficient pointer */
+  q31_t *px;                               /* temporary state pointer */
+  const q31_t *pk;                               /* temporary coefficient pointer */
   q31_t fcurr, fnext, gcurr, gnext;              /* temporary variables */
   uint32_t numStages = S->numStages;             /* Length of the filter */
   uint32_t blkCnt, stageCnt;                     /* temporary variables for counts */

Source/FilteringFunctions/arm_iir_lattice_f32.c

@@ -342,7 +342,7 @@ void arm_iir_lattice_f32(
   float32_t fcurr, fnext = 0, gcurr, gnext;      /* Temporary variables for lattice stages */
   float32_t acc;                                 /* Accumlator */
   uint32_t blkCnt, tapCnt;                       /* temporary variables for counts */
-  const float32_t *px1, *px2, *pk, *pv;                /* temporary pointers for state and coef */
+  float32_t *px1, *px2, *pk, *pv;                /* temporary pointers for state and coef */
   uint32_t numStages = S->numStages;             /* number of stages */
   float32_t *pState;                             /* State pointer */
   float32_t *pStateCurnt;                        /* State current pointer */

Source/FilteringFunctions/arm_iir_lattice_q15.c

@@ -357,7 +357,7 @@ void arm_iir_lattice_q15(
   uint32_t stgCnt;                               /* Temporary variables for counts */
   q63_t acc;                                     /* Accumlator */
   uint32_t blkCnt, tapCnt;                       /* Temporary variables for counts */
-  const q15_t *px1, *px2, *pk, *pv;                    /* temporary pointers for state and coef */
+  q15_t *px1, *px2, *pk, *pv;                    /* temporary pointers for state and coef */
   uint32_t numStages = S->numStages;             /* number of stages */
   q15_t *pState;                                 /* State pointer */
   q15_t *pStateCurnt;                            /* State current pointer */

Source/FilteringFunctions/arm_lms_f32.c

@@ -347,7 +347,7 @@ void arm_lms_f32(
     px = pState;
 
     /* Initialize pCoeffs pointer */
-    pb = pCoeffs;
+    pb = (float32_t*) pCoeffs;
 
     /* Set the accumulator to zero */
     sum = 0.0f;
@@ -379,7 +379,7 @@ void arm_lms_f32(
     px = pState;
 
     /* Initialize pCoeffs pointer */
-    pb = pCoeffs;
+    pb = (float32_t *) pCoeffs;
 
     /* Loop over numTaps number of values */
     tapCnt = numTaps;

Source/FilteringFunctions/arm_lms_norm_f32.c

@@ -359,7 +359,7 @@ void arm_lms_norm_f32(
     px = pState;
 
     /* Initialize pCoeffs pointer */
-    pb = pCoeffs;
+    pb = (float32_t*) pCoeffs;
 
     /* Read the sample from input buffer */
     in = *pSrc++;
@@ -399,7 +399,7 @@ void arm_lms_norm_f32(
     px = pState;
 
     /* Initialize pCcoeffs pointer */
-    pb = pCoeffs;
+    pb = (float32_t*) pCoeffs;
 
     /* Loop over numTaps number of values */
     tapCnt = numTaps;

Source/FilteringFunctions/arm_lms_norm_q15.c

@@ -306,7 +306,7 @@ void arm_lms_norm_q15(
     px = pState;
 
     /* Initialize pCoeffs pointer */
-    pb = pCoeffs;
+    pb = (q15_t *) pCoeffs;
 
     /* Read the sample from input buffer */
     in = *pSrc++;
@@ -370,7 +370,7 @@ void arm_lms_norm_q15(
     px = pState;
 
     /* Initialize coeff pointer */
-    pb = (pCoeffs);
+    pb = (q15_t *) (pCoeffs);
 
     /* Loop over numTaps number of values */
     tapCnt = numTaps;

Source/FilteringFunctions/arm_lms_norm_q31.c

@@ -298,7 +298,7 @@ void arm_lms_norm_q31(
     px = pState;
 
     /* Initialize pCoeffs pointer */
-    pb = pCoeffs;
+    pb = (q31_t *) pCoeffs;
 
     /* Read the sample from input buffer */
     in = *pSrc++;
@@ -358,7 +358,7 @@ void arm_lms_norm_q31(
     px = pState;
 
     /* Initialize coeff pointer */
-    pb = (pCoeffs);
+    pb = (q31_t *) (pCoeffs);
 
     /* Loop over numTaps number of values */
     tapCnt = numTaps;

Source/FilteringFunctions/arm_lms_q15.c

@@ -275,7 +275,7 @@ void arm_lms_q15(
     px = pState;
 
     /* Initialize pCoeffs pointer */
-    pb = pCoeffs;
+    pb = (q15_t *) pCoeffs;
 
     /* Set the accumulator to zero */
     acc = 0;
@@ -320,7 +320,7 @@ void arm_lms_q15(
     px = pState++;
 
     /* Initialize pCoeffs pointer */
-    pb = pCoeffs;
+    pb = (q15_t *) pCoeffs;
 
     /* Loop over numTaps number of values */
     tapCnt = numTaps;

Source/FilteringFunctions/arm_lms_q31.c

@@ -267,7 +267,7 @@ void arm_lms_q31(
     px = pState;
 
     /* Initialize pCoeffs pointer */
-    pb = pCoeffs;
+    pb = (q31_t *) pCoeffs;
 
     /* Set the accumulator to zero */
     acc = 0;
@@ -309,7 +309,7 @@ void arm_lms_q31(
     px = pState++;
 
     /* Initialize pCoeffs pointer */
-    pb = pCoeffs;
+    pb = (q31_t *) pCoeffs;
 
     /* Loop over numTaps number of values */
     tapCnt = numTaps;

Source/MatrixFunctions/arm_mat_mult_q15.c

@@ -364,7 +364,7 @@ arm_status arm_mat_mult_q15(
   q15_t *pInA = pSrcA->pData;                    /* input data matrix pointer A of Q15 type */
   q15_t *pInB = pSrcB->pData;                    /* input data matrix pointer B of Q15 type */
   q15_t *pOut = pDst->pData;                     /* output data matrix pointer */
-  const q15_t *px;                                     /* Temporary output data matrix pointer */
+  q15_t *px;                                     /* Temporary output data matrix pointer */
   uint16_t numColsB = pSrcB->numCols;            /* number of columns of input matrix B */
   uint16_t numColsA = pSrcA->numCols;            /* number of columns of input matrix A */
   uint16_t numRowsA = pSrcA->numRows;            /* number of rows of input matrix A    */