From 5409d0605006bba0626a260096dc4b6d30b67535 Mon Sep 17 00:00:00 2001 From: Kishinami Date: Tue, 20 Oct 2020 17:16:24 +0900 Subject: [PATCH] CMSIS-DSP: Fix FIR document --- Source/FilteringFunctions/arm_fir_f32.c | 2 +- 1 file changed, 1 insertion(+), 1 deletion(-) diff --git a/Source/FilteringFunctions/arm_fir_f32.c b/Source/FilteringFunctions/arm_fir_f32.c index 3bc0ecb7..5a728e12 100644 --- a/Source/FilteringFunctions/arm_fir_f32.c +++ b/Source/FilteringFunctions/arm_fir_f32.c @@ -61,7 +61,7 @@ Samples in the state buffer are stored in the following order. @par 
-      {x[n-numTaps+1], x[n-numTaps], x[n-numTaps-1], x[n-numTaps-2]....x[0], x[1], ..., x[blockSize-1]}
+      {x[n-numTaps+1], x[n-numTaps], x[n-numTaps-1], x[n-numTaps-2]....x[n](==pSrc[0]), x[n+1](==pSrc[1]), ..., x[n+blockSize-1](==pSrc[blockSize-1])}
@par Note that the length of the state buffer exceeds the length of the coefficient array by blockSize-1.