From 6ab94e0b318884bbcb95e2ea3835f951502e1d99 Mon Sep 17 00:00:00 2001
From: jaseg <git@jaseg.net>
Date: Wed, 14 Oct 2020 12:47:28 +0200
Subject: Move firmware into subdirectory

---
 .../arm_depthwise_separable_conv_HWC_q7_ref.c      | 70 ++++++++++++++++++++++
 1 file changed, 70 insertions(+)
 create mode 100644 fw/midi-dials/Drivers/CMSIS/NN/NN_Lib_Tests/nn_test/Ref_Implementations/arm_depthwise_separable_conv_HWC_q7_ref.c

(limited to 'fw/midi-dials/Drivers/CMSIS/NN/NN_Lib_Tests/nn_test/Ref_Implementations/arm_depthwise_separable_conv_HWC_q7_ref.c')

diff --git a/fw/midi-dials/Drivers/CMSIS/NN/NN_Lib_Tests/nn_test/Ref_Implementations/arm_depthwise_separable_conv_HWC_q7_ref.c b/fw/midi-dials/Drivers/CMSIS/NN/NN_Lib_Tests/nn_test/Ref_Implementations/arm_depthwise_separable_conv_HWC_q7_ref.c
new file mode 100644
index 0000000..970effc
--- /dev/null
+++ b/fw/midi-dials/Drivers/CMSIS/NN/NN_Lib_Tests/nn_test/Ref_Implementations/arm_depthwise_separable_conv_HWC_q7_ref.c
@@ -0,0 +1,70 @@
+/*
+ * Copyright (C) 2010-2018 Arm Limited or its affiliates. All rights reserved.
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Licensed under the Apache License, Version 2.0 (the License); you may
+ * not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ * www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an AS IS BASIS, WITHOUT
+ * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+#include "ref_functions.h"
+
+void arm_depthwise_separable_conv_HWC_q7_ref(const q7_t * Im_in,    // input image
+                                             const uint16_t dim_im_in,  // input image dimention
+                                             const uint16_t ch_im_in,   // number of input image channels
+                                             const q7_t * wt,   // kernel weights 
+                                             const uint16_t ch_im_out,  // number of filters, i.e., output image channels
+                                             const uint16_t dim_kernel, // filter kernel size
+                                             const uint16_t padding,    // padding sizes
+                                             const uint16_t stride, // stride
+                                             const q7_t * bias, // bias
+                                             const uint16_t bias_shift, // amount of left-shift for bias
+                                             const uint16_t out_shift,  // amount of right-shift for output
+                                             q7_t * Im_out, // output image
+                                             const uint16_t dim_im_out, // output image dimension
+                                             q15_t * bufferA,   //buffer space for input
+                                             q7_t * bufferB //buffer space for output
+    )
+{
+    int       i_out_y, i_out_x, i_ch_out;
+    int       i_ker_y, i_ker_x;
+    for (i_out_y = 0; i_out_y < dim_im_out; i_out_y++)
+    {
+        for (i_out_x = 0; i_out_x < dim_im_out; i_out_x++)
+        {
+            for (i_ch_out = 0; i_ch_out < ch_im_out; i_ch_out++)
+            {
+                // for each output
+#ifndef ARM_NN_TRUNCATE
+                int       conv_out = (bias[i_ch_out] << bias_shift) + (0x1 << (out_shift - 1));
+#else
+                int       conv_out = bias[i_ch_out] << bias_shift;
+#endif
+                for (i_ker_y = 0; i_ker_y < dim_kernel; i_ker_y++)
+                {
+                    for (i_ker_x = 0; i_ker_x < dim_kernel; i_ker_x++)
+                    {
+                        int       in_row = stride * i_out_y + i_ker_y - padding;
+                        int       in_col = stride * i_out_x + i_ker_x - padding;
+                        if (in_row >= 0 && in_col >= 0 && in_row < dim_im_in && in_col < dim_im_in)
+                        {
+                            conv_out += Im_in[(in_row * dim_im_in + in_col) * ch_im_in + i_ch_out] *
+                                wt[(i_ker_y * dim_kernel + i_ker_x) * ch_im_out + i_ch_out];
+                        }
+                    }
+                }
+                Im_out[(i_out_y * dim_im_out + i_out_x) * ch_im_out + i_ch_out] =
+                    (q7_t) __SSAT((conv_out >> out_shift), 8);
+            }
+        }
+    }
+}
-- 
cgit