diff options
Diffstat (limited to 'examples/device/video_capture')
| -rw-r--r-- | examples/device/video_capture/CMakeLists.txt | 17 | ||||
| -rw-r--r-- | examples/device/video_capture/Makefile | 8 | ||||
| -rw-r--r-- | examples/device/video_capture/skip.txt | 2 | ||||
| -rw-r--r-- | examples/device/video_capture/src/main.c | 89 | ||||
| -rw-r--r-- | examples/device/video_capture/src/tusb_config.h | 7 | ||||
| -rw-r--r-- | examples/device/video_capture/src/usb_descriptors.c | 14 |
6 files changed, 90 insertions, 47 deletions
diff --git a/examples/device/video_capture/CMakeLists.txt b/examples/device/video_capture/CMakeLists.txt index 90788fa60..1f9b851ff 100644 --- a/examples/device/video_capture/CMakeLists.txt +++ b/examples/device/video_capture/CMakeLists.txt @@ -2,38 +2,35 @@ cmake_minimum_required(VERSION 3.20) include(${CMAKE_CURRENT_SOURCE_DIR}/../../../hw/bsp/family_support.cmake) -# gets PROJECT name for the example (e.g. <BOARD>-<DIR_NAME>) -family_get_project_name(PROJECT ${CMAKE_CURRENT_LIST_DIR}) - -project(${PROJECT} C CXX ASM) +project(video_capture C CXX ASM) # Checks this example is valid for the family and initializes the project -family_initialize_project(${PROJECT} ${CMAKE_CURRENT_LIST_DIR}) +family_initialize_project(${PROJECT_NAME} ${CMAKE_CURRENT_LIST_DIR}) # Espressif has its own cmake build system if(FAMILY STREQUAL "espressif") return() endif() -add_executable(${PROJECT}) +add_executable(${PROJECT_NAME}) if (FORCE_READONLY) -target_compile_definitions(${PROJECT} PRIVATE +target_compile_definitions(${PROJECT_NAME} PRIVATE CFG_EXAMPLE_VIDEO_READONLY ) endif() # Example source -target_sources(${PROJECT} PUBLIC +target_sources(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/src/main.c ${CMAKE_CURRENT_SOURCE_DIR}/src/usb_descriptors.c ) # Example include -target_include_directories(${PROJECT} PUBLIC +target_include_directories(${PROJECT_NAME} PUBLIC ${CMAKE_CURRENT_SOURCE_DIR}/src ) # Configure compilation flags and libraries for the example without RTOS. # See the corresponding function in hw/bsp/FAMILY/family.cmake for details. -family_configure_device_example(${PROJECT} noos) +family_configure_device_example(${PROJECT_NAME} noos) diff --git a/examples/device/video_capture/Makefile b/examples/device/video_capture/Makefile index d698a848d..6c248ab7b 100644 --- a/examples/device/video_capture/Makefile +++ b/examples/device/video_capture/Makefile @@ -1,4 +1,4 @@ -include ../../build_system/make/make.mk +include ../../../hw/bsp/family_support.mk ifeq ($(DISABLE_MJPEG),1) CFLAGS += -DCFG_EXAMPLE_VIDEO_DISABLE_MJPEG @@ -9,10 +9,10 @@ endif INC += \ src \ - $(TOP)/hw \ + # Example source EXAMPLE_SOURCE += $(wildcard src/*.c) -SRC_C += $(addprefix $(CURRENT_PATH)/, $(EXAMPLE_SOURCE)) +SRC_C += $(addprefix $(EXAMPLE_PATH)/, $(EXAMPLE_SOURCE)) -include ../../build_system/make/rules.mk +include ../../../hw/bsp/family_rules.mk diff --git a/examples/device/video_capture/skip.txt b/examples/device/video_capture/skip.txt index 50302c544..5a7a1d00e 100644 --- a/examples/device/video_capture/skip.txt +++ b/examples/device/video_capture/skip.txt @@ -1,6 +1,6 @@ mcu:CH32V103 mcu:CH32V20X -mcu:MCXA15 +mcu:CH583 mcu:MSP430x5xx mcu:NUC121 mcu:SAMD11 diff --git a/examples/device/video_capture/src/main.c b/examples/device/video_capture/src/main.c index 29656e944..df9f77a1c 100644 --- a/examples/device/video_capture/src/main.c +++ b/examples/device/video_capture/src/main.c @@ -53,9 +53,23 @@ void usb_device_task(void *param); void video_task(void* param); #if CFG_TUSB_OS == OPT_OS_FREERTOS -void freertos_init_task(void); +void freertos_init(void); #endif +#if !defined(CFG_EXAMPLE_VIDEO_READONLY) || defined(CFG_EXAMPLE_VIDEO_BUFFERLESS) +/* EBU color bars: https://stackoverflow.com/questions/6939422 */ +static uint8_t const bar_color[8][4] = { + /* Y, U, Y, V */ + { 235, 128, 235, 128}, /* 100% White */ + { 219, 16, 219, 138}, /* Yellow */ + { 188, 154, 188, 16}, /* Cyan */ + { 173, 42, 173, 26}, /* Green */ + { 78, 214, 78, 230}, /* Magenta */ + { 63, 102, 63, 240}, /* Red */ + { 32, 240, 32, 118}, /* Blue */ + { 16, 128, 16, 128}, /* Black */ +}; +#endif //--------------------------------------------------------------------+ // Main @@ -65,7 +79,7 @@ int main(void) { // If using FreeRTOS: create blinky, tinyusb device, video task #if CFG_TUSB_OS == OPT_OS_FREERTOS - freertos_init_task(); + freertos_init(); #else // init device stack on configured roothub port tusb_rhport_init_t dev_init = { @@ -111,12 +125,43 @@ void tud_resume_cb(void) { blink_interval_ms = tud_mounted() ? BLINK_MOUNTED : BLINK_NOT_MOUNTED; } +#ifdef CFG_EXAMPLE_VIDEO_BUFFERLESS + +#ifndef CFG_EXAMPLE_VIDEO_DISABLE_MJPEG + #error Demo only supports YUV2 please define CFG_EXAMPLE_VIDEO_DISABLE_MJPEG +#endif + +void tud_video_prepare_payload_cb(uint_fast8_t ctl_idx, uint_fast8_t stm_idx, tud_video_payload_request_t* request) +{ + static uint32_t frame_counter = 0; + (void)ctl_idx; + (void)stm_idx; + + /* Offset will be zero at the start of a new frame */ + if (!request->offset) frame_counter++; + + for (size_t buf_pos = 0; buf_pos < request->length; buf_pos += 2) { + + /* Position within the current line (pixel relative) */ + int line_pos = ((request->offset + buf_pos)>>1) % FRAME_WIDTH; + + /* Choose color based on the position and change the table offset every 4 frames */ + const uint8_t* color = bar_color[(line_pos/(FRAME_WIDTH / 8) + (frame_counter>>2)) % 8]; + + /* Copy pixel data for odd or even pixels */ + memcpy(&((uint8_t*)request->buf)[buf_pos], &color[(line_pos & 1) ? 2 : 0], 2); + } + +} +#endif + //--------------------------------------------------------------------+ // USB Video //--------------------------------------------------------------------+ static unsigned frame_num = 0; static unsigned tx_busy = 0; static unsigned interval_ms = 1000 / FRAME_RATE; +#ifndef CFG_EXAMPLE_VIDEO_BUFFERLESS #ifdef CFG_EXAMPLE_VIDEO_READONLY // For mcus that does not have enough SRAM for frame buffer, we use fixed frame data. @@ -145,18 +190,6 @@ static struct { static uint8_t frame_buffer[FRAME_WIDTH * FRAME_HEIGHT * 16 / 8]; static void fill_color_bar(uint8_t* buffer, unsigned start_position) { - /* EBU color bars: https://stackoverflow.com/questions/6939422 */ - static uint8_t const bar_color[8][4] = { - /* Y, U, Y, V */ - { 235, 128, 235, 128}, /* 100% White */ - { 219, 16, 219, 138}, /* Yellow */ - { 188, 154, 188, 16}, /* Cyan */ - { 173, 42, 173, 26}, /* Green */ - { 78, 214, 78, 230}, /* Magenta */ - { 63, 102, 63, 240}, /* Red */ - { 32, 240, 32, 118}, /* Blue */ - { 16, 128, 16, 128}, /* Black */ - }; uint8_t* p; /* Generate the 1st line */ @@ -183,6 +216,8 @@ static void fill_color_bar(uint8_t* buffer, unsigned start_position) { #endif +#endif /* NDEF CFG_EXAMPLE_VIDEO_BUFFERLESS */ + static void video_send_frame(void) { static unsigned start_ms = 0; static unsigned already_sent = 0; @@ -196,8 +231,10 @@ static void video_send_frame(void) { if (!already_sent) { already_sent = 1; tx_busy = 1; - start_ms = board_millis(); -#ifdef CFG_EXAMPLE_VIDEO_READONLY + start_ms = tusb_time_millis_api(); +#if defined(CFG_EXAMPLE_VIDEO_BUFFERLESS) + tud_video_n_frame_xfer(0, 0, NULL, FRAME_WIDTH * FRAME_HEIGHT * 16 / 8); +#elif defined (CFG_EXAMPLE_VIDEO_READONLY) #if defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG) tud_video_n_frame_xfer(0, 0, (void*)(uintptr_t)&frame_buffer[(frame_num % (FRAME_WIDTH / 2)) * 4], FRAME_WIDTH * FRAME_HEIGHT * 16/8); @@ -210,13 +247,19 @@ static void video_send_frame(void) { #endif } - unsigned cur = board_millis(); - if (cur - start_ms < interval_ms) return; // not enough time - if (tx_busy) return; + unsigned cur = tusb_time_millis_api(); + if (cur - start_ms < interval_ms) { + return; // not enough time + } + if (tx_busy) { + return; + } start_ms += interval_ms; tx_busy = 1; -#ifdef CFG_EXAMPLE_VIDEO_READONLY +#if defined(CFG_EXAMPLE_VIDEO_BUFFERLESS) + tud_video_n_frame_xfer(0, 0, NULL, FRAME_WIDTH * FRAME_HEIGHT * 16 / 8); +#elif defined(CFG_EXAMPLE_VIDEO_READONLY) #if defined(CFG_EXAMPLE_VIDEO_DISABLE_MJPEG) tud_video_n_frame_xfer(0, 0, (void*)(uintptr_t)&frame_buffer[(frame_num % (FRAME_WIDTH / 2)) * 4], FRAME_WIDTH * FRAME_HEIGHT * 16/8); @@ -273,7 +316,9 @@ void led_blinking_task(void* param) { #if CFG_TUSB_OS == OPT_OS_FREERTOS vTaskDelay(blink_interval_ms / portTICK_PERIOD_MS); #else - if (board_millis() - start_ms < blink_interval_ms) return; // not enough time + if (tusb_time_millis_api() - start_ms < blink_interval_ms) { + return; // not enough time + } #endif start_ms += blink_interval_ms; @@ -336,7 +381,7 @@ void usb_device_task(void *param) { } } -void freertos_init_task(void) { +void freertos_init(void) { #if configSUPPORT_STATIC_ALLOCATION xTaskCreateStatic(led_blinking_task, "blinky", BLINKY_STACK_SIZE, NULL, 1, blinky_stack, &blinky_taskdef); xTaskCreateStatic(usb_device_task, "usbd", USBD_STACK_SIZE, NULL, configMAX_PRIORITIES-1, usb_device_stack, &usb_device_taskdef); diff --git a/examples/device/video_capture/src/tusb_config.h b/examples/device/video_capture/src/tusb_config.h index 4ba86ca65..1aa1a5ce7 100644 --- a/examples/device/video_capture/src/tusb_config.h +++ b/examples/device/video_capture/src/tusb_config.h @@ -23,8 +23,8 @@ * */ -#ifndef _TUSB_CONFIG_H_ -#define _TUSB_CONFIG_H_ +#ifndef TUSB_CONFIG_H_ +#define TUSB_CONFIG_H_ #ifdef __cplusplus extern "C" { @@ -110,9 +110,10 @@ //#define CFG_EXAMPLE_VIDEO_READONLY //#define CFG_EXAMPLE_VIDEO_DISABLE_MJPEG +//#define CFG_EXAMPLE_VIDEO_BUFFERLESS #ifdef __cplusplus } #endif -#endif /* _TUSB_CONFIG_H_ */ +#endif /* TUSB_CONFIG_H_ */ diff --git a/examples/device/video_capture/src/usb_descriptors.c b/examples/device/video_capture/src/usb_descriptors.c index b3e19b0f0..b3382c82d 100644 --- a/examples/device/video_capture/src/usb_descriptors.c +++ b/examples/device/video_capture/src/usb_descriptors.c @@ -33,9 +33,9 @@ * Auto ProductID layout's Bitmap: * [MSB] VIDEO | AUDIO | MIDI | HID | MSC | CDC [LSB] */ -#define _PID_MAP(itf, n) ( (CFG_TUD_##itf) << (n) ) -#define USB_PID (0x4000 | _PID_MAP(CDC, 0) | _PID_MAP(MSC, 1) | _PID_MAP(HID, 2) | \ - _PID_MAP(MIDI, 3) | _PID_MAP(AUDIO, 4) | _PID_MAP(VIDEO, 5) | _PID_MAP(VENDOR, 6) ) +#define PID_MAP(itf, n) ((CFG_TUD_##itf) ? (1 << (n)) : 0) +#define USB_PID (0x4000 | PID_MAP(CDC, 0) | PID_MAP(MSC, 1) | PID_MAP(HID, 2) | \ + PID_MAP(MIDI, 3) | PID_MAP(AUDIO, 4) | PID_MAP(VIDEO, 5) | PID_MAP(VENDOR, 6) ) #define USB_VID 0xCafe #define USB_BCD 0x0200 @@ -63,7 +63,7 @@ char const* string_desc_arr[] = { //--------------------------------------------------------------------+ // Device Descriptors //--------------------------------------------------------------------+ -tusb_desc_device_t const desc_device = { +static tusb_desc_device_t const desc_device = { .bLength = sizeof(tusb_desc_device_t), .bDescriptorType = TUSB_DESC_DEVICE, .bcdUSB = USB_BCD, @@ -384,9 +384,9 @@ static uint8_t * get_hs_configuration_desc(void) { } // device qualifier is mostly similar to device descriptor since we don't change configuration based on speed -tusb_desc_device_qualifier_t const desc_device_qualifier = { - .bLength = sizeof(tusb_desc_device_t), - .bDescriptorType = TUSB_DESC_DEVICE, +static tusb_desc_device_qualifier_t const desc_device_qualifier = { + .bLength = sizeof(tusb_desc_device_qualifier_t), + .bDescriptorType = TUSB_DESC_DEVICE_QUALIFIER, .bcdUSB = USB_BCD, .bDeviceClass = TUSB_CLASS_MISC, |