raiden00pl commented on code in PR #1460: URL: https://github.com/apache/nuttx-apps/pull/1460#discussion_r1055225795
########## include/logging/nxscope/nxscope.h: ########## @@ -0,0 +1,465 @@ +/**************************************************************************** + * apps/include/logging/nxscope/nxscope.h + * + * Licensed to the Apache Software Foundation (ASF) under one or more + * contributor license agreements. See the NOTICE file distributed with + * this work for additional information regarding copyright ownership. The + * ASF licenses this file to you 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 + * + * http://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. + * + ****************************************************************************/ + +#ifndef __APPS_INCLUDE_LOGGING_NXSCOPE_NXSCOPE_H +#define __APPS_INCLUDE_LOGGING_NXSCOPE_NXSCOPE_H + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/compiler.h> + +#include <pthread.h> +#include <stdint.h> + +#include <logging/nxscope/nxscope_chan.h> +#include <logging/nxscope/nxscope_intf.h> +#include <logging/nxscope/nxscope_proto.h> + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define NXSCOPE_ENABLE_LEN (sizeof(struct nxscope_enable_data_s)) +#define NXSCOPE_DIV_LEN (sizeof(struct nxscope_div_data_s)) +#define NXSCOPE_START_LEN (sizeof(struct nxscope_start_data_s)) + +/**************************************************************************** + * Public Types + ****************************************************************************/ + +/* Nxscope header ID */ + +enum nxscope_hdr_id_e +{ + NXSCOPE_HDRID_UNDEF = 0, /* Reserved */ + + /* Stream frames */ + + NXSCOPE_HDRID_STREAM = 1, /* Stream data */ + + /* Get frames */ + + NXSCOPE_HDRID_CMNINFO = 2, /* Get nxscope common info */ + NXSCOPE_HDRID_CHINFO = 3, /* Get nxscope channel info */ + + /* Special frames */ + + NXSCOPE_HDRID_ACK = 4, /* ACK/NACK */ + + /* Set frames. + * + * If CONFIG_LOGGING_NXSCOPE_ACKFRAMES=y this requests must + * be confirmed with ACK frames to report success or failure. + */ + + NXSCOPE_HDRID_START = 5, /* Start/stop stream. + * NOTE: this frame do not follow + * 'struct nxscope_set_frame_s' format + */ + NXSCOPE_HDRID_ENABLE = 6, /* Snable/disable channels */ + NXSCOPE_HDRID_DIV = 7, /* Channels divider */ + + /* User defined frames. + * Must be alway the last element. + */ + + NXSCOPE_HDRID_USER = 8 +}; + +/* Nxscope flags */ + +enum nxscope_info_flags_e +{ + NXSCOPE_FLAGS_DIVIDER_SUPPORT = (1 << 0), + NXSCOPE_FLAGS_ACK_SUPPORT = (1 << 1), + NXSCOPE_FLAGS_RES2 = (1 << 2), + NXSCOPE_FLAGS_RES3 = (1 << 3), + NXSCOPE_FLAGS_RES4 = (1 << 4), + NXSCOPE_FLAGS_RES5 = (1 << 5), + NXSCOPE_FLAGS_RES6 = (1 << 6), + NXSCOPE_FLAGS_RES7 = (1 << 7), +}; + +/* Nxscope stream flags */ + +enum nxscope_stream_flags_s +{ + NXSCOPE_STREAM_FLAGS_OVERFLOW = (1 << 0) +}; + +/* Nxscope start frame data */ + +begin_packed_struct struct nxscope_start_data_s +{ + uint8_t start; /* Start/stop flag */ +} end_packed_struct; + +/* Nxscope enable channel data */ + +begin_packed_struct struct nxscope_enable_ch_data_s +{ + uint8_t en; /* Channel enable */ +} end_packed_struct; + +/* Nxscope divider channel data */ + +begin_packed_struct struct nxscope_div_ch_data_s +{ + uint8_t div; /* Channel divider - starts from 0 */ +} end_packed_struct; + +/* Nxscope enable frame data */ + +begin_packed_struct struct nxscope_enable_data_s +{ + struct nxscope_enable_ch_data_s ch[1]; /* Chmax elements */ +} end_packed_struct; + +/* Nxscope divider frame data */ + +begin_packed_struct struct nxscope_div_data_s +{ + struct nxscope_div_ch_data_s ch[1]; /* Chmax elements */ +} end_packed_struct; + +/* Set channel frame */ + +enum nxscope_set_frame_req_s +{ + NXSCOPE_SET_REQ_SINGLE = 0, /* Single channel request */ + NXSCOPE_SET_REQ_BULK = 1, /* Set different values for all channels */ + NXSCOPE_SET_REQ_ALL = 2 /* Set one value for all channles */ +}; + +/* Set frame common data */ + +begin_packed_struct struct nxscope_set_frame_s +{ + uint8_t req; /* Request type */ + uint8_t chan; /* Channel id */ + uint8_t data[1]; /* n bytes data - depends on the request type */ +} end_packed_struct; + +/* Chanel type */ + +begin_packed_struct struct nxscope_chinfo_type_s +{ + uint8_t dtype:5; /* Data type */ + uint8_t _res:2; /* Reserved for future use */ + uint8_t cri:1; /* Criticial channel - no buffering */ +} end_packed_struct; + +/* Chanel type union */ + +union nxscope_chinfo_type_u +{ + struct nxscope_chinfo_type_s s; + uint8_t u8; +}; + +/* Nxscope channel info */ + +begin_packed_struct struct nxscope_chinfo_s +{ + uint8_t enable; /* Enable flag */ + union nxscope_chinfo_type_u type; /* Channel data type */ + uint8_t vdim; /* Vector dimention */ + uint8_t div; /* Divider - starts from 0 */ + uint8_t mlen; /* Metadata size */ + FAR char *name; /* Chanel name */ +} end_packed_struct; + +/* Nxscope info common */ + +begin_packed_struct struct nxscope_info_cmn_s +{ + uint8_t chmax; /* Supported channels */ + uint8_t flags; /* Flags (enum nxscope_info_flags_e) */ + uint8_t rx_padding; /* RX padding (>0 if used) */ +} end_packed_struct; + +/* Nxscope sample hdr: + * + * +----------+-------------+----------+ + * | channel | sample data | metadata | + * +----------+-------------+----------+ + * | 1B | n bytes [1] | m bytes | + * +----------+-------------+----------+ + * + * [1] - sizeof(channel_type) * channel_vdim + * NOTE: sample data always little-endian ! + * + */ + +struct nxscope_sample_s +{ + uint8_t chan; /* 1 byte: Channel id - starts from 0 */ + /* n bytes: Data */ + /* m bytes: Metadata */ +}; + +/* Nxscope stream data: + * + * +----------+--------------+ + * | flags | samples data | + * +----------+--------------+ + * | 1B | n bytes | + * +----------+--------------+ + * + */ + +struct nxscope_stream_s +{ + uint8_t flags; /* stream flags */ + struct nxscope_sample_s samples[1]; /* stream samples */ +}; + +/* Nxscope callbacks */ + +struct nxscope_callbacks_s +{ + /* User-defined id callback */ + + FAR void *userid_priv; + CODE int (*userid)(FAR void *priv, uint8_t id, FAR uint8_t *buff); + + /* Start request callback */ + + FAR void *start_priv; + CODE int (*start)(FAR void *priv, bool start); +}; + +/* Nxscope general configuration */ + +struct nxscope_cfg_s +{ + /* NOTE: It is possible to configure separate interface + * and protocol for control commands and data stream. + */ + + /* Interface implementation for commands */ + + FAR struct nxscope_intf_s *intf_cmd; + + /* Interface implementation for stream data */ + + FAR struct nxscope_intf_s *intf_stream; + + /* Protocol implementation for commands */ + + FAR struct nxscope_proto_s *proto_cmd; + + /* Protocol implementation for stream data */ + + FAR struct nxscope_proto_s *proto_stream; + + /* Callbacks */ + + FAR struct nxscope_callbacks_s *callbacks; + + /* Number of suppoted channels */ + + uint8_t channels; + + /* Stream buffer len */ + + size_t streambuf_len; + + /* RX buffer len */ + + size_t rxbuf_len; + + /* RX padding. + * + * This option will be provided for client in common info data + * and can be useful if we use DMA for receiving frames + */ + + uint8_t rx_padding; +}; + +/* Nxscope data */ + +struct nxscope_s +{ + /* Nxscope interface handlers */ + + FAR struct nxscope_intf_s *intf_cmd; Review Comment: I think my mindset looked like this: if I need to use dynamic allocation anyway, I will use it everywhere without too much thought :) -- This is an automated message from the Apache Git Service. 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