PeterBee97 commented on code in PR #1449: URL: https://github.com/apache/nuttx-apps/pull/1449#discussion_r1041756681
########## system/nxcamera/nxcamera_main.c: ########## @@ -0,0 +1,564 @@ +/**************************************************************************** + * apps/system/nxcamera/nxcamera_main.c + * + * 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/video/video.h> + +#include <sys/types.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <assert.h> + +#include "system/readline.h" +#include "system/nxcamera.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define NXCAMERA_VER "1.00" + +#ifdef CONFIG_NXCAMERA_INCLUDE_HELP +# define NXCAMERA_HELP_TEXT(x) x +#else +# define NXCAMERA_HELP_TEXT(x) +#endif + +/**************************************************************************** + * Private Type Declarations + ****************************************************************************/ + +typedef int (*nxcamera_func)(FAR struct nxcamera_s *plooper, char *pargs); + +struct mp_cmd_s +{ + FAR const char *cmd; /* The command text */ + FAR const char *arghelp; /* Text describing the args */ + nxcamera_func pfunc; /* Pointer to command handler */ + FAR const char *help; /* The help text */ +}; + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static int nxcamera_cmd_quit(FAR struct nxcamera_s *plooper, char *parg); +static int nxcamera_cmd_stream(FAR struct nxcamera_s *plooper, char *parg); + +#ifdef CONFIG_NXCAMERA_INCLUDE_PREFERRED_DEVICE +static int nxcamera_cmd_input(FAR struct nxcamera_s *plooper, char *parg); +#endif + +static int nxcamera_cmd_output(FAR struct nxcamera_s *plooper, char *parg); +static int nxcamera_cmd_stop(FAR struct nxcamera_s *plooper, char *parg); +static int nxcamera_cmd_set(FAR struct nxcamera_s *plooper, char *parg); + +#ifdef CONFIG_NXCAMERA_INCLUDE_HELP +static int nxcamera_cmd_help(FAR struct nxcamera_s *plooper, char *parg); +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static const struct mp_cmd_s g_nxcamera_cmds[] = +{ +#ifdef CONFIG_NXCAMERA_INCLUDE_PREFERRED_DEVICE + { + "input", + "videodev", + nxcamera_cmd_input, + NXCAMERA_HELP_TEXT("Specify a preferred capture device") + }, +#endif + { + "output", + "fbdev|filename", + nxcamera_cmd_output, + NXCAMERA_HELP_TEXT("Specify a display device or filename") + }, +#ifdef CONFIG_NXCAMERA_INCLUDE_HELP + { + "h", + "", + nxcamera_cmd_help, + NXCAMERA_HELP_TEXT("Display help for commands") + }, + { + "help", + "", + nxcamera_cmd_help, + NXCAMERA_HELP_TEXT("Display help for commands") + }, +#endif + { + "stream", + "width height framerate format", + nxcamera_cmd_stream, + NXCAMERA_HELP_TEXT("Video stream test (format is fourcc)") + }, + { + "stop", + "", + nxcamera_cmd_stop, + NXCAMERA_HELP_TEXT("Stop stream") + }, + { + "q", + "", + nxcamera_cmd_quit, + NXCAMERA_HELP_TEXT("Exit NxCamera") + }, + { + "quit", + "", + nxcamera_cmd_quit, + NXCAMERA_HELP_TEXT("Exit NxCamera") + }, + { + "set", + "parameter d%", + nxcamera_cmd_set, + NXCAMERA_HELP_TEXT("Set camera control parameters") + } +}; + +static const char *controls[] = +{ + "brightness", + "contrast", + "saturation", + "hue", + "while_balance_automatic", + "exposure", + "gain_automatic", + "gain", + "horizontal_flip", + "vertical_flip", + "power_line_frequency", + "sharpness", + "auto_exposure" +}; + +static const int g_nxcamera_cmd_count = sizeof(g_nxcamera_cmds) / + sizeof(struct mp_cmd_s); + +/**************************************************************************** + * Name: nxcamera_cmd_stream + * + * nxcamera_cmd_loop() play and record the raw data file using the nxcamera + * context. + * + ****************************************************************************/ + +static int nxcamera_cmd_stream(FAR struct nxcamera_s *plooper, char *parg) +{ + int ret; + uint16_t width = 0; + uint16_t height = 0; + uint32_t framerate = 0; + uint32_t format = 0; + char cc[4] = + { + 0 + }; + + sscanf(parg, "%hd %hd %d %s", &width, &height, &framerate, cc); + format = v4l2_fourcc(cc[0], cc[1], cc[2], cc[3]); + + /* Try to stream raw data with settings specified */ + + ret = nxcamera_stream(plooper, width, height, framerate, format); + + /* nxcamera_stream returned values: + * + * OK Stream is being run + * -EBUSY The media device is busy + * -ENOSYS The video format is not unsupported + * -ENODEV No video device suitable to capture media + */ + + switch (-ret) Review Comment: sure ########## system/nxcamera/nxcamera_main.c: ########## @@ -0,0 +1,564 @@ +/**************************************************************************** + * apps/system/nxcamera/nxcamera_main.c + * + * 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. + * + ****************************************************************************/ + +/**************************************************************************** + * Included Files + ****************************************************************************/ + +#include <nuttx/config.h> +#include <nuttx/video/video.h> + +#include <sys/types.h> +#include <stdbool.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <unistd.h> +#include <errno.h> +#include <assert.h> + +#include "system/readline.h" +#include "system/nxcamera.h" + +/**************************************************************************** + * Pre-processor Definitions + ****************************************************************************/ + +#define NXCAMERA_VER "1.00" + +#ifdef CONFIG_NXCAMERA_INCLUDE_HELP +# define NXCAMERA_HELP_TEXT(x) x +#else +# define NXCAMERA_HELP_TEXT(x) +#endif + +/**************************************************************************** + * Private Type Declarations + ****************************************************************************/ + +typedef int (*nxcamera_func)(FAR struct nxcamera_s *plooper, char *pargs); + +struct mp_cmd_s +{ + FAR const char *cmd; /* The command text */ + FAR const char *arghelp; /* Text describing the args */ + nxcamera_func pfunc; /* Pointer to command handler */ + FAR const char *help; /* The help text */ +}; + +/**************************************************************************** + * Private Function Prototypes + ****************************************************************************/ + +static int nxcamera_cmd_quit(FAR struct nxcamera_s *plooper, char *parg); +static int nxcamera_cmd_stream(FAR struct nxcamera_s *plooper, char *parg); + +#ifdef CONFIG_NXCAMERA_INCLUDE_PREFERRED_DEVICE +static int nxcamera_cmd_input(FAR struct nxcamera_s *plooper, char *parg); +#endif + +static int nxcamera_cmd_output(FAR struct nxcamera_s *plooper, char *parg); +static int nxcamera_cmd_stop(FAR struct nxcamera_s *plooper, char *parg); +static int nxcamera_cmd_set(FAR struct nxcamera_s *plooper, char *parg); + +#ifdef CONFIG_NXCAMERA_INCLUDE_HELP +static int nxcamera_cmd_help(FAR struct nxcamera_s *plooper, char *parg); +#endif + +/**************************************************************************** + * Private Data + ****************************************************************************/ + +static const struct mp_cmd_s g_nxcamera_cmds[] = +{ +#ifdef CONFIG_NXCAMERA_INCLUDE_PREFERRED_DEVICE + { + "input", + "videodev", + nxcamera_cmd_input, + NXCAMERA_HELP_TEXT("Specify a preferred capture device") + }, +#endif + { + "output", + "fbdev|filename", + nxcamera_cmd_output, + NXCAMERA_HELP_TEXT("Specify a display device or filename") + }, +#ifdef CONFIG_NXCAMERA_INCLUDE_HELP + { + "h", + "", + nxcamera_cmd_help, + NXCAMERA_HELP_TEXT("Display help for commands") + }, + { + "help", + "", + nxcamera_cmd_help, + NXCAMERA_HELP_TEXT("Display help for commands") + }, +#endif + { + "stream", + "width height framerate format", + nxcamera_cmd_stream, + NXCAMERA_HELP_TEXT("Video stream test (format is fourcc)") + }, + { + "stop", + "", + nxcamera_cmd_stop, + NXCAMERA_HELP_TEXT("Stop stream") + }, + { + "q", + "", + nxcamera_cmd_quit, + NXCAMERA_HELP_TEXT("Exit NxCamera") + }, + { + "quit", + "", + nxcamera_cmd_quit, + NXCAMERA_HELP_TEXT("Exit NxCamera") + }, + { + "set", + "parameter d%", + nxcamera_cmd_set, + NXCAMERA_HELP_TEXT("Set camera control parameters") + } +}; + +static const char *controls[] = +{ + "brightness", + "contrast", + "saturation", + "hue", + "while_balance_automatic", + "exposure", + "gain_automatic", + "gain", + "horizontal_flip", + "vertical_flip", + "power_line_frequency", + "sharpness", + "auto_exposure" +}; + +static const int g_nxcamera_cmd_count = sizeof(g_nxcamera_cmds) / + sizeof(struct mp_cmd_s); + +/**************************************************************************** + * Name: nxcamera_cmd_stream + * + * nxcamera_cmd_loop() play and record the raw data file using the nxcamera + * context. + * + ****************************************************************************/ + +static int nxcamera_cmd_stream(FAR struct nxcamera_s *plooper, char *parg) Review Comment: done -- This is an automated message from the Apache Git Service. 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