add nnom pack and example

components/ai/nnom/inc/layers/nnom_gru_cell.h

@@ -0,0 +1,60 @@
+/*
+ * Copyright (c) 2018-2020
+ * Jianjia Ma
+ * majianjia@live.com
+ *
+ * SPDX-License-Identifier: Apache-2.0
+ *
+ * Change Logs:
+ * Date           Author       Notes
+ * 2020-08-27     Jianjia Ma   The first version
+ */
+
+#ifndef __NNOM_GRU_CELL_H__
+#define __NNOM_GRU_CELL_H__
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+#include "nnom_rnn.h"
+#include "nnom_activation.h"
+
+typedef struct _nnom_gru_cell_config_t
+{
+	nnom_layer_config_t super;
+	nnom_tensor_t *weights;
+	nnom_tensor_t* recurrent_weights;
+	nnom_tensor_t *bias;
+	nnom_qformat_param_t q_dec_z, q_dec_h; // z, r, h
+	uint16_t units;
+} nnom_gru_cell_config_t;
+
+
+typedef struct _nnom_gru_cell_t
+{
+	nnom_rnn_cell_t super;
+
+	nnom_tensor_t* weights;
+	nnom_tensor_t* recurrent_weights;
+	nnom_tensor_t* bias;
+
+    // decide later. 
+    // z, r, h
+	nnom_qformat_param_t q_dec_z, q_dec_h;
+	nnom_qformat_param_t oshift_iw, oshift_hw, bias_shift;
+
+} nnom_gru_cell_t;
+
+// gru
+nnom_rnn_cell_t *gru_cell_s(const nnom_gru_cell_config_t* config);
+
+nnom_status_t gru_cell_free(nnom_rnn_cell_t* cell);
+nnom_status_t gru_cell_build(nnom_rnn_cell_t* cell);
+nnom_status_t gru_cell_run(nnom_rnn_cell_t* cell);
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* __NNOM_GRU_CELL_H__ */