add nnom pack and example

components/ai/nnom/inc/nnom_tensor.h

@@ -0,0 +1,54 @@
+/*
+ * Copyright (c) 2018-2020
+ * Jianjia Ma
+ * majianjia@live.com
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2019-02-05     Jianjia Ma   The first version
+ * 2019-02-10     Jianjia Ma   Compiler supports dense net connection
+ */
+
+#ifndef __NNOM_TENSOR_H__
+#define __NNOM_TENSOR_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "nnom.h"
+
+
+void delete_tensor(nnom_tensor_t* t);
+nnom_tensor_t* new_tensor(nnom_qtype_t type, uint32_t num_dim, uint32_t num_channel);
+// set tensor by value
+// for tensor with quantized type NNOM_QTYPE_PER_TENSOR
+nnom_tensor_t* tensor_set_attr_v(nnom_tensor_t* t, 
+		nnom_qformat_param_t dec_bit, nnom_qformat_param_t offset, nnom_shape_data_t* dim, uint32_t num_dim, uint8_t bitwidth);
+nnom_tensor_t* tensor_set_attr(nnom_tensor_t* t, 
+		nnom_qformat_param_t*dec_bit, nnom_qformat_param_t *offset, nnom_shape_data_t* dim, uint32_t num_dim, uint8_t bitwidth);
+nnom_tensor_t* tensor_cpy_attr(nnom_tensor_t* des, nnom_tensor_t* src);
+size_t tensor_get_num_channel(nnom_tensor_t* t);
+size_t tensor_size(nnom_tensor_t* t);
+size_t tensor_size_byte(nnom_tensor_t* t);
+
+// only support 3d tensor
+// change format from CHW to HWC
+// the shape of the data, input data, output data
+void tensor_hwc2chw_q7(nnom_tensor_t* des, nnom_tensor_t* src);
+
+// change format from CHW to HWC
+// the shape of the data, input data, output data
+void tensor_chw2hwc_q7(nnom_tensor_t* des, nnom_tensor_t* src);
+
+// deprecated. 
+void hwc2chw_q7(nnom_3d_shape_t shape, q7_t* p_in, q7_t* p_out);
+void chw2hwc_q7(nnom_3d_shape_t shape, q7_t* p_in, q7_t* p_out);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /*__NNOM_TENSOR_H__ */