{"id":446131,"date":"2025-01-26T09:01:58","date_gmt":"2025-01-26T09:01:58","guid":{"rendered":"http:\/\/savepearlharbor.com\/?p=446131"},"modified":"-0001-11-30T00:00:00","modified_gmt":"-0001-11-29T21:00:00","slug":"","status":"publish","type":"post","link":"https:\/\/savepearlharbor.com\/?p=446131","title":{"rendered":"<span>STM32F4xx + DCMI + USB Custom (CDC + UVC)<\/span>"},"content":{"rendered":"<div><!--[--><!--]--><\/div>\n<div id=\"post-content-body\">\n<div>\n<div class=\"article-formatted-body article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<blockquote>\n<p>\u041f\u0440\u043e\u0438\u0437\u043e\u0448\u043b\u0430 \u0432 \u043c\u043e\u0435\u0439 \u0436\u0438\u0437\u043d\u0438 \u0442\u0430\u043a\u0430\u044f \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u0430\u043a \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043a\u0430\u043c\u0435\u0440\u044b (\u0442\u043e\u0447\u043d\u0435\u0435 \u0442\u0435\u043f\u043b\u043e\u0432\u0438\u0437\u043e\u0440\u0430) \u043a \u043a\u043e\u043d\u0435\u0447\u043d\u043e\u043c\u0443 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0443 \u043f\u043e USB. \u041a\u0430\u043c\u0435\u0440\u0430 \u0441 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c DCMI \u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u043c BT656. \u0421\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0431\u044b\u043b\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u0430 (\u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0430) \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430. \u041f\u043e\u0441\u0442\u0430\u0440\u0430\u044e\u0441\u044c \u0438\u0437\u043b\u043e\u0436\u0438\u0442\u044c \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438.<\/p>\n<p>\u0421\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443 \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u0435\u043d\u0430 \u0432 \u043a\u043e\u043d\u0446\u0435 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438. <\/p>\n<\/blockquote>\n<h2>\u041a\u0430\u0434\u0440<\/h2>\n<blockquote>\n<p>\u041a\u0430\u0434\u0440 \u0440\u0430\u0437\u043c\u0435\u0449\u0430\u0435\u0442\u0441\u044f \u0432\u043e \u0432\u043d\u0435\u0448\u043d\u044e\u044e SDRAM (Synchronous Dynamic Random Access Memory).<\/p>\n<p>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0438 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u0442\u0430\u0439\u043c\u0438\u043d\u0433\u043e\u0432 \u043f\u0430\u043c\u044f\u0442\u0438 (\u2026\/User\/Src\/sdram.c)   <\/p>\n<\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">void MX_FMC_Init(void) {   FMC_SDRAM_TimingTypeDef SdramTiming = {0};    \/** Perform the SDRAM1 memory initialization sequence   *\/   hsdram1.Instance = FMC_SDRAM_DEVICE;   \/* hsdram1.Init *\/   hsdram1.Init.SDBank = FMC_SDRAM_BANK1;   hsdram1.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_8;   hsdram1.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12;   hsdram1.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_16;   hsdram1.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;   hsdram1.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_3;   hsdram1.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;   hsdram1.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_3;   hsdram1.Init.ReadBurst = FMC_SDRAM_RBURST_DISABLE;   hsdram1.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_1;   \/* SdramTiming *\/   \/\/This settings are taken from the memory manual   SdramTiming.LoadToActiveDelay = 2;   SdramTiming.ExitSelfRefreshDelay = 7;\/\/11; 7   SdramTiming.SelfRefreshTime = 4;\/\/7; 4   SdramTiming.RowCycleDelay = 6;\/\/10; 6   SdramTiming.WriteRecoveryTime = 2;   SdramTiming.RPDelay = 2;   SdramTiming.RCDDelay = 2;    if (HAL_SDRAM_Init(&amp;hsdram1, &amp;SdramTiming) != HAL_OK)   {     Error_Handler( );   }  }<\/code><\/pre>\n<blockquote>\n<p>\u041d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u0432\u0437\u044f\u0442\u044b \u0438\u0437 \u043f\u0440\u0438\u043c\u0435\u0440\u043e\u0432 (\u043a\u043e\u0438\u0445 \u043e\u0447\u0435\u043d\u044c \u043c\u043d\u043e\u0433\u043e, \u0434\u0430\u0436\u0435 \u0441\u0441\u044b\u043b\u043a\u0443 \u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c \u043d\u0435 \u0431\u0443\u0434\u0443) \u0438 \u0434\u0430\u0442\u0430\u0448\u0438\u0442\u0430 \u043d\u0430 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u0443 (IS42S16800F-6tli).<\/p>\n<p>\u0417\u0430\u0445\u0432\u0430\u0442 \u0438 \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u0435 \u043a\u0430\u0434\u0440\u0430 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438 (\u2026\/User\/Src\/camera.c):    <\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">uint8_t GrabCamFrame(void) { CameraTypeDef *ptr = &amp;Camera; if(ptr-&gt;FlagFrameTrans)return 0;\/\/this means the frame is sent via uvc. you can parse cmd. if(ptr-&gt;CmdFrameComplit == CAM_INIT) { HAL_DCMI_Start_DMA(&amp;hdcmi,DCMI_MODE_CONTINUOUS,SDRAM_BANK_ADDR,FRAMESIZEWORDS); while(pcamera-&gt;FlagFrameComplit==0) {     ; } GPIOC-&gt;ODR |= (1&lt;&lt;5); ptr-&gt;FlagFrameTrans=1; pcamera-&gt;FlagFrameComplit=0; } return ptr-&gt;FlagFrameTrans; }<\/code><\/pre>\n<blockquote>\n<p>DCMI_MODE_CONTINUOUS \u2013 \u043d\u0435\u043f\u0440\u0435\u0440\u044b\u0432\u043d\u044b\u0439 \u0440\u0435\u0436\u0438\u043c \u0440\u0430\u0431\u043e\u0442\u044b.<\/p>\n<p>SDRAM_BANK_ADDR \u2013 \u0430\u0434\u0440\u0435\u0441 \u0432\u043e \u0432\u043d\u0435\u0448\u043d\u0435\u0439 \u043f\u0430\u043c\u044f\u0442\u0438, \u043a\u0443\u0434\u0430 \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0431\u0430\u0439\u0442\u044b \u043a\u0430\u0434\u0440\u0430 0xC0000000.<\/p>\n<p>FRAMESIZEWORDS \u2013 \u0440\u0430\u0437\u043c\u0435\u0440 \u043a\u0430\u0434\u0440\u0430 \u0432 16-\u0431\u0438\u0442\u043d\u043e\u043c \u043f\u043e\u043b\u0435.<\/p>\n<p>\u00a0GrabCamFrame() \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u043f\u043e\u0442\u043e\u043a\u0435. \u041f\u043e\u0441\u043b\u0435 \u0437\u0430\u0445\u0432\u0430\u0442\u0430 \u043a\u0430\u0434\u0440\u0430 \u0438 \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0432 \u043f\u0430\u043c\u044f\u0442\u0438, \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0444\u043b\u0430\u0433 FlagBusy, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043f\u0440\u0438\u0437\u043d\u0430\u043a \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u043a\u0430\u0434\u0440\u0430 \u043f\u043e USB.<br \/><strong>\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0430 \u0431\u043b\u043e\u043a\u0438\u0440\u0443\u044e\u0449\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f. \u0415\u0441\u0442\u044c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u0442 \u043d\u0435\u0435 \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f.<\/strong><\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">void HAL_DCMI_LineEventCallback(DCMI_HandleTypeDef *hdcmi) { if(vLineCntFrame++ ==FRAMELINES) { __HAL_DCMI_DISABLE(hdcmi);\/\/this is not safe stop DCMI over DMA, but allows the frame to be stable HAL_DMA_Abort(hdcmi-&gt;DMA_Handle); vLineCntFrame=0; pcamera-&gt;FlagFrameComplit =1; } }<\/code><\/pre>\n<blockquote>\n<p>FRAMELINES \u2013 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0441\u0442\u0440\u043e\u043a \u0432 \u043a\u0430\u0434\u0440\u0435 (\u2026\/User\/Inc\/camera.h).<\/p>\n<\/blockquote>\n<h2>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043a\u0430\u043c\u0435\u0440\u044b.<\/h2>\n<blockquote>\n<p>\u0424\u0443\u043d\u043a\u0446\u0438\u044f \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u0430\u043c\u0435\u0440\u044b:<\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">void CameraInit(void) { pcamera-&gt;pBufCmdResponse = ResponseCmdFromCam; pcamera-&gt;pBufCmdReceived = ReceiveCmdToCam; pcamera-&gt;Start = CameraStart; }<\/code><\/pre>\n<blockquote>\n<p>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0431\u0443\u0444\u0435\u0440\u043e\u0432 \u043a\u043e\u043c\u0430\u043d\u0434 \u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 Start.<\/p>\n<p>\u0421\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u043a\u0430\u043c\u0435\u0440\u044b (\u2026\/User\/Inc\/camera.h):<\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">typedef struct{ uint8_t State;\/\/enable or disable uint8_t CmdFrameComplit;\/\/exec cmd uint32_t AddrBufFrame; volatile uint8_t FlagFrameBufFull; volatile uint8_t FlagFrameComplit; uint8_t FlagFrameTrans; uint32_t cntBufFrame; uint8_t NumBuffs;\/\/number of buffers char *pBufCmdResponse; char *pBufCmdReceived; uint16_t ResponseSize; uint16_t CmdSize; volatile uint8_t FlagCmdResponse; volatile uint8_t FlagCmdReceived; void (* Start) (void); void (* Init) (void); }CameraTypeDef;<\/code><\/pre>\n<blockquote>\n<p>\u0421\u0443\u0449\u043d\u043e\u0441\u0442\u044c \u043a\u043b\u0430\u0441\u0441\u0430 CameraTypeDef &#8212; Camera;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/TV &#8212; thermal imager<\/p>\n<p>CameraStart (\u2026\/User\/Src\/camera.c):<\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">void CameraStart(void) { HAL_UART_Transmit(&amp;huart2,(uint8_t *)Cmd[CAM_SYCH_MODE_EN],strlen(Cmd[CAM_SYCH_MODE_EN]),100); HAL_Delay(40); HAL_UART_Transmit(&amp;huart2,(uint8_t *)Cmd[CAM_DIG_VIDEO_OUT],strlen(Cmd[CAM_DIG_VIDEO_OUT]),100); }<\/code><\/pre>\n<p>\u041a\u0430\u043c\u0435\u0440\u0430 \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u043e uart, \u0442\u0430\u043a \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0441\u0430\u043c\u0430 \u043a\u0430\u043c\u0435\u0440\u0430.<\/p>\n<p>\u0412\u044b\u0431\u043e\u0440 \u043a\u043e\u043c\u0430\u043d\u0434\u044b &#8212; CAM_SYCH_MODE_EN (\u0440\u0435\u0436\u0438\u043c \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438). \u0421\u0430\u043c\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u0430 &#8212; rw 99 131\\r. rw \u2013 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u044f\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u043a\u0430\u043c\u0435\u0440\u044b \u2013 \u0447\u0442\u0435\u043d\u0438\u0435\/\u0437\u0430\u043f\u0438\u0441\u044c \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430, \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u2013 \u0440\u0435\u0433\u0438\u0441\u0442\u0440 \u0438 \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u043c\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u041a\u043e\u043c\u0430\u043d\u0434\u044b \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0432 <strong>\u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u043e\u043c \u0444\u043e\u0440\u043c\u0430\u0442\u0435<\/strong>. \u0422.\u0435. 99 \u2013 0x63 \u0440\u0435\u0433\u0438\u0441\u0442\u0440, \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0432 Astir2 User Guide \u043d\u0430 \u0441\u0442\u0440. 31.<\/p>\n<p>\u0411\u0438\u0442\u043e\u0432\u043e\u0435 \u043f\u043e\u043b\u0435 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430 External synchronization mode:<\/p>\n<div class=\"floating-image\">\n<figure class=\"float\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w780q1\/getpro\/habr\/upload_files\/8c0\/bb7\/223\/8c0bb72230dfd2e7b29505a445ddcb1e.jpg\" width=\"386\" height=\"298\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/8c0\/bb7\/223\/8c0bb72230dfd2e7b29505a445ddcb1e.jpg\" data-blurred=\"true\"\/><\/figure>\n<\/p>\n<\/div>\n<blockquote>\n<p>\u0414\u043b\u044f \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u044f:<\/p>\n<\/blockquote>\n<figure class=\"full-width\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w780q1\/getpro\/habr\/upload_files\/ac5\/a72\/f9b\/ac5a72f9b9f441f2deb674f540d807fd.jpg\" alt=\"\u0420\u0435\u0436\u0438\u043c continuous synchronization mode\" title=\"\u0420\u0435\u0436\u0438\u043c continuous synchronization mode\" width=\"624\" height=\"136\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/ac5\/a72\/f9b\/ac5a72f9b9f441f2deb674f540d807fd.jpg\" data-blurred=\"true\"\/><\/p>\n<div><figcaption>\u0420\u0435\u0436\u0438\u043c continuous synchronization mode<\/figcaption><\/div>\n<\/figure>\n<figure class=\"full-width\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w780q1\/getpro\/habr\/upload_files\/040\/254\/c66\/040254c66a0afa136a3ae47c5ef5d7e2.jpg\" alt=\"\u0420\u0435\u0436\u0438\u043c single frame synchronization mode\" title=\"\u0420\u0435\u0436\u0438\u043c single frame synchronization mode\" width=\"624\" height=\"129\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/040\/254\/c66\/040254c66a0afa136a3ae47c5ef5d7e2.jpg\" data-blurred=\"true\"\/><\/p>\n<div><figcaption>\u0420\u0435\u0436\u0438\u043c single frame synchronization mode<\/figcaption><\/div>\n<\/figure>\n<p>\u0412\u044b\u0431\u0440\u0430\u043d \u0440\u0435\u0436\u0438\u043c continuous.<\/p>\n<p>\u0412\u044b\u0431\u043e\u0440 \u043a\u043e\u043c\u0430\u043d\u0434\u044b &#8212; CAM_DIG_VIDEO_OUT (\u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u044b\u0445\u043e\u0434). \u0421\u0430\u043c\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u0430 &#8212; video output 18\\r. \u0412 Astir2 User Guide \u044d\u0442\u043e \u0440\u0435\u0433\u0438\u0441\u0442\u0440 0x7D \u0441\u0442\u0440. 33.<\/p>\n<h2>BT656 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b<\/h2>\n<p>\u041f\u0440\u043e\u0442\u043e\u043a\u043e\u043b BT656 \u2013 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u0441 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e\u043c \u0434\u0430\u043d\u043d\u044b\u0445 \u043e\u0442 8 \u0434\u043e 10 \u0438 \u043b\u0438\u043d\u0438\u044f \u043a\u043b\u043e\u043a\u0430. \u0412 \u0434\u0430\u043d\u043d\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f 8-\u043c\u0438 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u0430\u044f \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0430 \u0434\u0430\u043d\u043d\u044b\u0445.<\/p>\n<p>\u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u044f\u044f \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u044f, \u0442.\u0435 \u0437\u0430\u0434\u0430\u043d\u043d\u044b\u0439 \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0443 \u0441\u0438\u0433\u043d\u0430\u043b \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0438 \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u043a\u0438.<\/p>\n<figure class=\"\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w780q1\/getpro\/habr\/upload_files\/bfb\/ed4\/2dd\/bfbed42ddcb0910dc815f2f6068be45e.jpg\" width=\"496\" height=\"176\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/bfb\/ed4\/2dd\/bfbed42ddcb0910dc815f2f6068be45e.jpg\" data-blurred=\"true\"\/><\/figure>\n<p>EAV \u2013 End Active Video<\/p>\n<p>SAV \u2013 Start Active Video<\/p>\n<p>EAV \u0438 SAV \u0435\u0441\u0442\u044c \u0434\u043b\u044f \u043f\u043e\u043b\u0435\u0437\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0434\u043b\u044f Blanking. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u043c\u0443 \u043f\u043e\u0440\u044f\u0434\u043a\u0443, \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u043d\u0438\u0436\u0435:<\/p>\n<figure class=\"\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w780q1\/getpro\/habr\/upload_files\/a73\/b90\/e95\/a73b90e954e95c8ceb4d2292f2a696fe.jpg\" width=\"429\" height=\"176\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/a73\/b90\/e95\/a73b90e954e95c8ceb4d2292f2a696fe.jpg\" data-blurred=\"true\"\/><\/figure>\n<p>Preamble \u2013 0xFF0000<\/p>\n<p>F \u2013 field (\u0447\u0435\u0442\u043d\u044b\u0435\/\u043d\u0435\u0447\u0435\u0442\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438): F \u2013 0 \u2013 \u043d\u0435\u0447\u0435\u0442\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438.<\/p>\n<p>V \u2013 \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u0430\u044f \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u043a\u0430<\/p>\n<p>H = 0 &#8212; SAV, H = 1 \u2013 EAV<\/p>\n<p>P3 = V + H<\/p>\n<p>P2 = F + H<\/p>\n<p>P1 = F + V<\/p>\n<p>P0 = F + V + H<\/p>\n<figure class=\"full-width\"><img loading=\"lazy\" decoding=\"async\" src=\"https:\/\/habrastorage.org\/r\/w780q1\/getpro\/habr\/upload_files\/662\/81c\/891\/66281c8910880c4bbf299462377f6c27.jpg\" width=\"720\" height=\"659\" data-src=\"https:\/\/habrastorage.org\/getpro\/habr\/upload_files\/662\/81c\/891\/66281c8910880c4bbf299462377f6c27.jpg\" data-blurred=\"true\"\/><\/figure>\n<p>\u041d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043a\u043e\u0434\u043e\u0432 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0435:    <\/p>\n<pre><code class=\"cpp\">  hdcmi.Init.SyncroCode.FrameEndCode = 0x9d;   hdcmi.Init.SyncroCode.FrameStartCode = 0x80;   hdcmi.Init.SyncroCode.LineStartCode = 0xab;   hdcmi.Init.SyncroCode.LineEndCode = 0xb6;<\/code><\/pre>\n<p>\u0412 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u0438\u0438 \u0441\u0442\u0430\u0442\u044c\u0438 \u0431\u0443\u0434\u0435\u0442 \u043e\u0441\u0432\u0435\u0449\u0435\u043d\u0430 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 USB Custom.<\/p>\n<p><a href=\"https:\/\/github.com\/lirush\/Stm32_DCMI_Usb_CDCUVC\" rel=\"noopener noreferrer nofollow\">\u0421\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!----><!----><\/div>\n<p><!----><!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/articles\/876552\/\"> https:\/\/habr.com\/ru\/articles\/876552\/<\/a><\/p>\n","protected":false},"excerpt":{"rendered":"<div><!--[--><!--]--><\/div>\n<div id=\"post-content-body\">\n<div>\n<div class=\"article-formatted-body article-formatted-body article-formatted-body_version-2\">\n<div xmlns=\"http:\/\/www.w3.org\/1999\/xhtml\">\n<blockquote>\n<p>\u041f\u0440\u043e\u0438\u0437\u043e\u0448\u043b\u0430 \u0432 \u043c\u043e\u0435\u0439 \u0436\u0438\u0437\u043d\u0438 \u0442\u0430\u043a\u0430\u044f \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u043a\u0430\u043a \u043f\u043e\u0434\u043a\u043b\u044e\u0447\u0435\u043d\u0438\u0435 \u043a\u0430\u043c\u0435\u0440\u044b (\u0442\u043e\u0447\u043d\u0435\u0435 \u0442\u0435\u043f\u043b\u043e\u0432\u0438\u0437\u043e\u0440\u0430) \u043a \u043a\u043e\u043d\u0435\u0447\u043d\u043e\u043c\u0443 \u0443\u0441\u0442\u0440\u043e\u0439\u0441\u0442\u0432\u0443 \u043f\u043e USB. \u041a\u0430\u043c\u0435\u0440\u0430 \u0441 \u0438\u043d\u0442\u0435\u0440\u0444\u0435\u0439\u0441\u043e\u043c DCMI \u0438 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u043e\u043c BT656. \u0421\u043e\u0431\u0441\u0442\u0432\u0435\u043d\u043d\u043e, \u043f\u043e\u044d\u0442\u043e\u043c\u0443 \u0431\u044b\u043b\u0430 \u0440\u0430\u0437\u0440\u0430\u0431\u043e\u0442\u0430\u043d\u0430 (\u043d\u0430\u043f\u0438\u0441\u0430\u043d\u0430) \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0430. \u041f\u043e\u0441\u0442\u0430\u0440\u0430\u044e\u0441\u044c \u0438\u0437\u043b\u043e\u0436\u0438\u0442\u044c \u043d\u0435\u043a\u043e\u0442\u043e\u0440\u044b\u0435 \u043e\u0441\u043e\u0431\u0435\u043d\u043d\u043e\u0441\u0442\u0438.<\/p>\n<p>\u0421\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443 \u043f\u0440\u0438\u043a\u0440\u0435\u043f\u043b\u0435\u043d\u0430 \u0432 \u043a\u043e\u043d\u0446\u0435 \u043f\u0443\u0431\u043b\u0438\u043a\u0430\u0446\u0438\u0438. <\/p>\n<\/blockquote>\n<h2>\u041a\u0430\u0434\u0440<\/h2>\n<blockquote>\n<p>\u041a\u0430\u0434\u0440 \u0440\u0430\u0437\u043c\u0435\u0449\u0430\u0435\u0442\u0441\u044f \u0432\u043e \u0432\u043d\u0435\u0448\u043d\u044e\u044e SDRAM (Synchronous Dynamic Random Access Memory).<\/p>\n<p>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0438 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u0442\u0430\u0439\u043c\u0438\u043d\u0433\u043e\u0432 \u043f\u0430\u043c\u044f\u0442\u0438 (\u2026\/User\/Src\/sdram.c)   <\/p>\n<\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">void MX_FMC_Init(void) {   FMC_SDRAM_TimingTypeDef SdramTiming = {0};    \/** Perform the SDRAM1 memory initialization sequence   *\/   hsdram1.Instance = FMC_SDRAM_DEVICE;   \/* hsdram1.Init *\/   hsdram1.Init.SDBank = FMC_SDRAM_BANK1;   hsdram1.Init.ColumnBitsNumber = FMC_SDRAM_COLUMN_BITS_NUM_8;   hsdram1.Init.RowBitsNumber = FMC_SDRAM_ROW_BITS_NUM_12;   hsdram1.Init.MemoryDataWidth = FMC_SDRAM_MEM_BUS_WIDTH_16;   hsdram1.Init.InternalBankNumber = FMC_SDRAM_INTERN_BANKS_NUM_4;   hsdram1.Init.CASLatency = FMC_SDRAM_CAS_LATENCY_3;   hsdram1.Init.WriteProtection = FMC_SDRAM_WRITE_PROTECTION_DISABLE;   hsdram1.Init.SDClockPeriod = FMC_SDRAM_CLOCK_PERIOD_3;   hsdram1.Init.ReadBurst = FMC_SDRAM_RBURST_DISABLE;   hsdram1.Init.ReadPipeDelay = FMC_SDRAM_RPIPE_DELAY_1;   \/* SdramTiming *\/   \/\/This settings are taken from the memory manual   SdramTiming.LoadToActiveDelay = 2;   SdramTiming.ExitSelfRefreshDelay = 7;\/\/11; 7   SdramTiming.SelfRefreshTime = 4;\/\/7; 4   SdramTiming.RowCycleDelay = 6;\/\/10; 6   SdramTiming.WriteRecoveryTime = 2;   SdramTiming.RPDelay = 2;   SdramTiming.RCDDelay = 2;    if (HAL_SDRAM_Init(&amp;hsdram1, &amp;SdramTiming) != HAL_OK)   {     Error_Handler( );   }  }<\/code><\/pre>\n<blockquote>\n<p>\u041d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0438 \u0432\u0437\u044f\u0442\u044b \u0438\u0437 \u043f\u0440\u0438\u043c\u0435\u0440\u043e\u0432 (\u043a\u043e\u0438\u0445 \u043e\u0447\u0435\u043d\u044c \u043c\u043d\u043e\u0433\u043e, \u0434\u0430\u0436\u0435 \u0441\u0441\u044b\u043b\u043a\u0443 \u043e\u0441\u0442\u0430\u0432\u043b\u044f\u0442\u044c \u043d\u0435 \u0431\u0443\u0434\u0443) \u0438 \u0434\u0430\u0442\u0430\u0448\u0438\u0442\u0430 \u043d\u0430 \u043c\u0438\u043a\u0440\u043e\u0441\u0445\u0435\u043c\u0443 (IS42S16800F-6tli).<\/p>\n<p>\u0417\u0430\u0445\u0432\u0430\u0442 \u0438 \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u0435 \u043a\u0430\u0434\u0440\u0430 \u0432 \u043f\u0430\u043c\u044f\u0442\u0438 (\u2026\/User\/Src\/camera.c):    <\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">uint8_t GrabCamFrame(void) { CameraTypeDef *ptr = &amp;Camera; if(ptr-&gt;FlagFrameTrans)return 0;\/\/this means the frame is sent via uvc. you can parse cmd. if(ptr-&gt;CmdFrameComplit == CAM_INIT) { HAL_DCMI_Start_DMA(&amp;hdcmi,DCMI_MODE_CONTINUOUS,SDRAM_BANK_ADDR,FRAMESIZEWORDS); while(pcamera-&gt;FlagFrameComplit==0) {     ; } GPIOC-&gt;ODR |= (1&lt;&lt;5); ptr-&gt;FlagFrameTrans=1; pcamera-&gt;FlagFrameComplit=0; } return ptr-&gt;FlagFrameTrans; }<\/code><\/pre>\n<blockquote>\n<p>DCMI_MODE_CONTINUOUS \u2013 \u043d\u0435\u043f\u0440\u0435\u0440\u044b\u0432\u043d\u044b\u0439 \u0440\u0435\u0436\u0438\u043c \u0440\u0430\u0431\u043e\u0442\u044b.<\/p>\n<p>SDRAM_BANK_ADDR \u2013 \u0430\u0434\u0440\u0435\u0441 \u0432\u043e \u0432\u043d\u0435\u0448\u043d\u0435\u0439 \u043f\u0430\u043c\u044f\u0442\u0438, \u043a\u0443\u0434\u0430 \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0431\u0430\u0439\u0442\u044b \u043a\u0430\u0434\u0440\u0430 0xC0000000.<\/p>\n<p>FRAMESIZEWORDS \u2013 \u0440\u0430\u0437\u043c\u0435\u0440 \u043a\u0430\u0434\u0440\u0430 \u0432 16-\u0431\u0438\u0442\u043d\u043e\u043c \u043f\u043e\u043b\u0435.<\/p>\n<p>\u00a0GrabCamFrame() \u0432\u044b\u0437\u044b\u0432\u0430\u0435\u0442\u0441\u044f \u0432 \u043e\u0441\u043d\u043e\u0432\u043d\u043e\u043c \u043f\u043e\u0442\u043e\u043a\u0435. \u041f\u043e\u0441\u043b\u0435 \u0437\u0430\u0445\u0432\u0430\u0442\u0430 \u043a\u0430\u0434\u0440\u0430 \u0438 \u0440\u0430\u0437\u043c\u0435\u0449\u0435\u043d\u0438\u044f \u0432 \u043f\u0430\u043c\u044f\u0442\u0438, \u0443\u0441\u0442\u0430\u043d\u0430\u0432\u043b\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u0444\u043b\u0430\u0433 FlagBusy, \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u043a\u0430\u043a \u043f\u0440\u0438\u0437\u043d\u0430\u043a \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0438 \u043a\u0430\u0434\u0440\u0430 \u043f\u043e USB.<br \/><strong>\u0418\u0441\u043f\u043e\u043b\u044c\u0437\u043e\u0432\u0430\u043d\u0430 \u0431\u043b\u043e\u043a\u0438\u0440\u0443\u044e\u0449\u0430\u044f \u0444\u0443\u043d\u043a\u0446\u0438\u044f. \u0415\u0441\u0442\u044c \u043d\u0435\u043e\u0431\u0445\u043e\u0434\u0438\u043c\u043e\u0441\u0442\u044c \u043e\u0442 \u043d\u0435\u0435 \u0438\u0437\u0431\u0430\u0432\u0438\u0442\u044c\u0441\u044f.<\/strong><\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">void HAL_DCMI_LineEventCallback(DCMI_HandleTypeDef *hdcmi) { if(vLineCntFrame++ ==FRAMELINES) { __HAL_DCMI_DISABLE(hdcmi);\/\/this is not safe stop DCMI over DMA, but allows the frame to be stable HAL_DMA_Abort(hdcmi-&gt;DMA_Handle); vLineCntFrame=0; pcamera-&gt;FlagFrameComplit =1; } }<\/code><\/pre>\n<blockquote>\n<p>FRAMELINES \u2013 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e \u0441\u0442\u0440\u043e\u043a \u0432 \u043a\u0430\u0434\u0440\u0435 (\u2026\/User\/Inc\/camera.h).<\/p>\n<\/blockquote>\n<h2>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u043a\u0430\u043c\u0435\u0440\u044b.<\/h2>\n<blockquote>\n<p>\u0424\u0443\u043d\u043a\u0446\u0438\u044f \u0438\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u0438 \u043a\u0430\u043c\u0435\u0440\u044b:<\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">void CameraInit(void) { pcamera-&gt;pBufCmdResponse = ResponseCmdFromCam; pcamera-&gt;pBufCmdReceived = ReceiveCmdToCam; pcamera-&gt;Start = CameraStart; }<\/code><\/pre>\n<blockquote>\n<p>\u0418\u043d\u0438\u0446\u0438\u0430\u043b\u0438\u0437\u0430\u0446\u0438\u044f \u0431\u0443\u0444\u0435\u0440\u043e\u0432 \u043a\u043e\u043c\u0430\u043d\u0434 \u0438 \u0444\u0443\u043d\u043a\u0446\u0438\u0438 Start.<\/p>\n<p>\u0421\u0442\u0440\u0443\u043a\u0442\u0443\u0440\u0430 \u043a\u0430\u043c\u0435\u0440\u044b (\u2026\/User\/Inc\/camera.h):<\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">typedef struct{ uint8_t State;\/\/enable or disable uint8_t CmdFrameComplit;\/\/exec cmd uint32_t AddrBufFrame; volatile uint8_t FlagFrameBufFull; volatile uint8_t FlagFrameComplit; uint8_t FlagFrameTrans; uint32_t cntBufFrame; uint8_t NumBuffs;\/\/number of buffers char *pBufCmdResponse; char *pBufCmdReceived; uint16_t ResponseSize; uint16_t CmdSize; volatile uint8_t FlagCmdResponse; volatile uint8_t FlagCmdReceived; void (* Start) (void); void (* Init) (void); }CameraTypeDef;<\/code><\/pre>\n<blockquote>\n<p>\u0421\u0443\u0449\u043d\u043e\u0441\u0442\u044c \u043a\u043b\u0430\u0441\u0441\u0430 CameraTypeDef &#8212; Camera;\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0\u00a0 \/\/TV &#8212; thermal imager<\/p>\n<p>CameraStart (\u2026\/User\/Src\/camera.c):<\/p>\n<\/blockquote>\n<pre><code class=\"cpp\">void CameraStart(void) { HAL_UART_Transmit(&amp;huart2,(uint8_t *)Cmd[CAM_SYCH_MODE_EN],strlen(Cmd[CAM_SYCH_MODE_EN]),100); HAL_Delay(40); HAL_UART_Transmit(&amp;huart2,(uint8_t *)Cmd[CAM_DIG_VIDEO_OUT],strlen(Cmd[CAM_DIG_VIDEO_OUT]),100); }<\/code><\/pre>\n<p>\u041a\u0430\u043c\u0435\u0440\u0430 \u043d\u0430\u0441\u0442\u0440\u0430\u0438\u0432\u0430\u0435\u0442\u0441\u044f \u043f\u043e uart, \u0442\u0430\u043a \u0440\u0435\u0430\u043b\u0438\u0437\u043e\u0432\u0430\u043d\u0430 \u0441\u0430\u043c\u0430 \u043a\u0430\u043c\u0435\u0440\u0430.<\/p>\n<p>\u0412\u044b\u0431\u043e\u0440 \u043a\u043e\u043c\u0430\u043d\u0434\u044b &#8212; CAM_SYCH_MODE_EN (\u0440\u0435\u0436\u0438\u043c \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438). \u0421\u0430\u043c\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u0430 &#8212; rw 99 131\\r. rw \u2013 \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u044f\u044f \u043a\u043e\u043c\u0430\u043d\u0434\u0430 \u043a\u0430\u043c\u0435\u0440\u044b \u2013 \u0447\u0442\u0435\u043d\u0438\u0435\/\u0437\u0430\u043f\u0438\u0441\u044c \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430, \u043f\u0430\u0440\u0430\u043c\u0435\u0442\u0440\u044b \u2013 \u0440\u0435\u0433\u0438\u0441\u0442\u0440 \u0438 \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u0435\u043c\u043e\u0435 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u0435. \u041a\u043e\u043c\u0430\u043d\u0434\u044b \u0438 \u0437\u043d\u0430\u0447\u0435\u043d\u0438\u044f \u0437\u0430\u043f\u0438\u0441\u044b\u0432\u0430\u044e\u0442\u0441\u044f \u0432 <strong>\u0434\u0435\u0441\u044f\u0442\u0438\u0447\u043d\u043e\u043c \u0444\u043e\u0440\u043c\u0430\u0442\u0435<\/strong>. \u0422.\u0435. 99 \u2013 0x63 \u0440\u0435\u0433\u0438\u0441\u0442\u0440, \u043e\u043f\u0438\u0441\u0430\u043d\u0438\u0435 \u0432 Astir2 User Guide \u043d\u0430 \u0441\u0442\u0440. 31.<\/p>\n<p>\u0411\u0438\u0442\u043e\u0432\u043e\u0435 \u043f\u043e\u043b\u0435 \u0440\u0435\u0433\u0438\u0441\u0442\u0440\u0430 External synchronization mode:<\/p>\n<div class=\"floating-image\">\n<figure class=\"float\"><\/figure>\n<\/p>\n<\/div>\n<blockquote>\n<p>\u0414\u043b\u044f \u043f\u043e\u043d\u0438\u043c\u0430\u043d\u0438\u044f:<\/p>\n<\/blockquote>\n<figure class=\"full-width\">\n<div><figcaption>\u0420\u0435\u0436\u0438\u043c continuous synchronization mode<\/figcaption><\/div>\n<\/figure>\n<figure class=\"full-width\">\n<div><figcaption>\u0420\u0435\u0436\u0438\u043c single frame synchronization mode<\/figcaption><\/div>\n<\/figure>\n<p>\u0412\u044b\u0431\u0440\u0430\u043d \u0440\u0435\u0436\u0438\u043c continuous.<\/p>\n<p>\u0412\u044b\u0431\u043e\u0440 \u043a\u043e\u043c\u0430\u043d\u0434\u044b &#8212; CAM_DIG_VIDEO_OUT (\u0446\u0438\u0444\u0440\u043e\u0432\u043e\u0439 \u0432\u044b\u0445\u043e\u0434). \u0421\u0430\u043c\u0430 \u043a\u043e\u043c\u0430\u043d\u0434\u0430 &#8212; video output 18\\r. \u0412 Astir2 User Guide \u044d\u0442\u043e \u0440\u0435\u0433\u0438\u0441\u0442\u0440 0x7D \u0441\u0442\u0440. 33.<\/p>\n<h2>BT656 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b<\/h2>\n<p>\u041f\u0440\u043e\u0442\u043e\u043a\u043e\u043b BT656 \u2013 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u044b\u0439 \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b \u0441 \u043a\u043e\u043b\u0438\u0447\u0435\u0441\u0442\u0432\u043e\u043c \u0434\u0430\u043d\u043d\u044b\u0445 \u043e\u0442 8 \u0434\u043e 10 \u0438 \u043b\u0438\u043d\u0438\u044f \u043a\u043b\u043e\u043a\u0430. \u0412 \u0434\u0430\u043d\u043d\u043e\u043c \u043f\u0440\u043e\u0435\u043a\u0442\u0435 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f 8-\u043c\u0438 \u043f\u0430\u0440\u0430\u043b\u043b\u0435\u043b\u044c\u043d\u0430\u044f \u043f\u0435\u0440\u0435\u0434\u0430\u0447\u0430 \u0434\u0430\u043d\u043d\u044b\u0445.<\/p>\n<p>\u0412 \u043a\u0430\u0447\u0435\u0441\u0442\u0432\u0435 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0438\u0441\u043f\u043e\u043b\u044c\u0437\u0443\u0435\u0442\u0441\u044f \u0432\u043d\u0443\u0442\u0440\u0435\u043d\u043d\u044f\u044f \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u044f, \u0442.\u0435 \u0437\u0430\u0434\u0430\u043d\u043d\u044b\u0439 \u043f\u043e \u043f\u0440\u043e\u0442\u043e\u043a\u043e\u043b\u0443 \u0441\u0438\u0433\u043d\u0430\u043b \u0433\u043e\u0440\u0438\u0437\u043e\u043d\u0442\u0430\u043b\u044c\u043d\u043e\u0439 \u0438 \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u043e\u0439 \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u043a\u0438.<\/p>\n<figure class=\"\"><\/figure>\n<p>EAV \u2013 End Active Video<\/p>\n<p>SAV \u2013 Start Active Video<\/p>\n<p>EAV \u0438 SAV \u0435\u0441\u0442\u044c \u0434\u043b\u044f \u043f\u043e\u043b\u0435\u0437\u043d\u044b\u0445 \u0434\u0430\u043d\u043d\u044b\u0445 \u0438 \u0434\u043b\u044f Blanking. \u041e\u043f\u0440\u0435\u0434\u0435\u043b\u044f\u0435\u0442\u0441\u044f \u043f\u043e \u043e\u043f\u0440\u0435\u0434\u0435\u043b\u0435\u043d\u043d\u043e\u043c\u0443 \u043f\u043e\u0440\u044f\u0434\u043a\u0443, \u0442\u0430\u0431\u043b\u0438\u0446\u0430 \u043d\u0438\u0436\u0435:<\/p>\n<figure class=\"\"><\/figure>\n<p>Preamble \u2013 0xFF0000<\/p>\n<p>F \u2013 field (\u0447\u0435\u0442\u043d\u044b\u0435\/\u043d\u0435\u0447\u0435\u0442\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438): F \u2013 0 \u2013 \u043d\u0435\u0447\u0435\u0442\u043d\u044b\u0435 \u0441\u0442\u0440\u043e\u043a\u0438.<\/p>\n<p>V \u2013 \u0432\u0435\u0440\u0442\u0438\u043a\u0430\u043b\u044c\u043d\u0430\u044f \u0440\u0430\u0437\u0432\u0435\u0440\u0442\u043a\u0430<\/p>\n<p>H = 0 &#8212; SAV, H = 1 \u2013 EAV<\/p>\n<p>P3 = V + H<\/p>\n<p>P2 = F + H<\/p>\n<p>P1 = F + V<\/p>\n<p>P0 = F + V + H<\/p>\n<figure class=\"full-width\"><\/figure>\n<p>\u041d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 \u043a\u043e\u0434\u043e\u0432 \u0441\u0438\u043d\u0445\u0440\u043e\u043d\u0438\u0437\u0430\u0446\u0438\u0438 \u0432 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0435:    <\/p>\n<pre><code class=\"cpp\">  hdcmi.Init.SyncroCode.FrameEndCode = 0x9d;   hdcmi.Init.SyncroCode.FrameStartCode = 0x80;   hdcmi.Init.SyncroCode.LineStartCode = 0xab;   hdcmi.Init.SyncroCode.LineEndCode = 0xb6;<\/code><\/pre>\n<p>\u0412 \u043f\u0440\u043e\u0434\u043e\u043b\u0436\u0435\u043d\u0438\u0438 \u0441\u0442\u0430\u0442\u044c\u0438 \u0431\u0443\u0434\u0435\u0442 \u043e\u0441\u0432\u0435\u0449\u0435\u043d\u0430 \u043d\u0430\u0441\u0442\u0440\u043e\u0439\u043a\u0430 USB Custom.<\/p>\n<p><a href=\"https:\/\/github.com\/lirush\/Stm32_DCMI_Usb_CDCUVC\" rel=\"noopener noreferrer nofollow\">\u0421\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043f\u0440\u043e\u0433\u0440\u0430\u043c\u043c\u0443<\/a><\/p>\n<\/div>\n<\/div>\n<\/div>\n<p><!----><!----><\/div>\n<p><!----><!----><br \/> \u0441\u0441\u044b\u043b\u043a\u0430 \u043d\u0430 \u043e\u0440\u0438\u0433\u0438\u043d\u0430\u043b \u0441\u0442\u0430\u0442\u044c\u0438 <a href=\"https:\/\/habr.com\/ru\/articles\/876552\/\"> https:\/\/habr.com\/ru\/articles\/876552\/<\/a><br \/><\/br><\/br><\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[],"tags":[],"class_list":["post-446131","post","type-post","status-publish","format-standard","hentry"],"_links":{"self":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/446131","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcomments&post=446131"}],"version-history":[{"count":0,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=\/wp\/v2\/posts\/446131\/revisions"}],"wp:attachment":[{"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fmedia&parent=446131"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Fcategories&post=446131"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/savepearlharbor.com\/index.php?rest_route=%2Fwp%2Fv2%2Ftags&post=446131"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}