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samples: subsys: video: add capture to lcd sample
Add sample application to capture an image frame from a camera and send it for display on the LCD. Signed-off-by: Charles Dias <charlesdias.cd@outlook.com>
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# SPDX-License-Identifier: Apache-2.0 | ||
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cmake_minimum_required(VERSION 3.20.0) | ||
find_package(Zephyr REQUIRED HINTS $ENV{ZEPHYR_BASE}) | ||
project(video_capture) | ||
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FILE(GLOB app_sources src/*.c) | ||
target_sources(app PRIVATE ${app_sources}) |
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samples/subsys/video/capture_to_lcd/boards/mini_stm32h743.conf
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# | ||
# Copyright (c) 2024 Charles Dias <charlesdias.cd@outlook.com> | ||
# | ||
# SPDX-License-Identifier: Apache-2.0 | ||
# | ||
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# CONFIG_CACHE_MANAGEMENT=y | ||
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CONFIG_CLOCK_STM32_MCO1_SRC_HSI48=y | ||
CONFIG_CLOCK_STM32_MCO1_DIV=4 | ||
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CONFIG_LOG_BUFFER_SIZE=2048 | ||
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CONFIG_VIDEO_BUFFER_POOL_SZ_MAX=204800 | ||
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################################################ | ||
# Configuration for debugging | ||
# compiler | ||
# CONFIG_DEBUG_OPTIMIZATIONS=y | ||
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# console | ||
CONFIG_CONSOLE=y | ||
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# UART console | ||
CONFIG_SERIAL=y | ||
CONFIG_UART_CONSOLE=y |
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samples/subsys/video/capture_to_lcd/boards/mini_stm32h743.overlay
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/* | ||
* Copyright (c) 2024 Charles Dias <charlesdias.cd@outlook.com> | ||
* | ||
* SPDX-License-Identifier: Apache-2.0 | ||
* | ||
*/ | ||
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/ { | ||
aliases { | ||
ov-cam = &ov2640; | ||
}; | ||
}; | ||
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&pll { | ||
div-m = <5>; | ||
mul-n = <96>; | ||
div-p = <2>; | ||
div-q = <2>; | ||
div-r = <2>; | ||
clocks = <&clk_hse>; | ||
status = "okay"; | ||
}; | ||
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&rcc { | ||
clocks = <&pll>; | ||
clock-frequency = <DT_FREQ_M(240)>; | ||
d1cpre = <1>; | ||
hpre = <1>; | ||
d1ppre = <2>; | ||
d2ppre1 = <2>; | ||
d2ppre2 = <2>; | ||
d3ppre = <2>; | ||
}; | ||
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&i2c1 { | ||
pinctrl-0 = <&i2c1_scl_pb8 &i2c1_sda_pb9 &mco1_pa8>; | ||
pinctrl-names = "default"; | ||
status = "okay"; | ||
clock-frequency = <I2C_BITRATE_FAST>; | ||
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ov2640: ov2640@30 { | ||
compatible = "ovti,ov2640"; | ||
reg = <0x30>; | ||
status = "okay"; | ||
// reset-gpios = <&gpiof 2 GPIO_ACTIVE_HIGH>; | ||
supply-gpios = <&gpioa 7 GPIO_ACTIVE_HIGH>; | ||
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port { | ||
ov2640_ep_out: endpoint { | ||
remote-endpoint = <&dcmi_ep_in>; | ||
}; | ||
}; | ||
}; | ||
}; | ||
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&dcmi { | ||
status = "okay"; | ||
sensor = <&ov2640>; | ||
pinctrl-0 = <&dcmi_hsync_pa4 &dcmi_pixclk_pa6 &dcmi_vsync_pb7 | ||
&dcmi_d0_pc6 &dcmi_d1_pc7 &dcmi_d2_pe0 &dcmi_d3_pe1 | ||
&dcmi_d4_pe4 &dcmi_d5_pd3 &dcmi_d6_pe5 &dcmi_d7_pe6>; | ||
pinctrl-names = "default"; | ||
bus-width = <8>; | ||
hsync-active = <0>; | ||
vsync-active = <0>; | ||
pixelclk-active = <1>; | ||
dmas = <&dma1 0 75 (STM32_DMA_PERIPH_TO_MEMORY | STM32_DMA_PERIPH_NO_INC | | ||
STM32_DMA_MEM_INC | STM32_DMA_PERIPH_8BITS | STM32_DMA_MEM_32BITS | | ||
STM32_DMA_PRIORITY_HIGH) STM32_DMA_FIFO_1_4>; | ||
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port { | ||
dcmi_ep_in: endpoint { | ||
remote-endpoint = <&ov2640_ep_out>; | ||
}; | ||
}; | ||
}; | ||
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&dma1 { | ||
status = "okay"; | ||
}; | ||
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&dmamux1 { | ||
status = "okay"; | ||
}; | ||
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// FIXME: move to pinctrl dtsi files | ||
&pinctrl{ | ||
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mco1_pa8: mco1_pa8 { | ||
pinmux = <STM32_PINMUX('A', 8, AF0)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_HSYNC */ | ||
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/omit-if-no-ref/ dcmi_hsync_pa4: dcmi_hsync_pa4 { | ||
pinmux = <STM32_PINMUX('A', 4, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_PIXCLK */ | ||
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/omit-if-no-ref/ dcmi_pixclk_pa6: dcmi_pixclk_pa6 { | ||
pinmux = <STM32_PINMUX('A', 6, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_VSYNC */ | ||
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/omit-if-no-ref/ dcmi_vsync_pb7: dcmi_vsync_pb7 { | ||
pinmux = <STM32_PINMUX('B', 7, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_D0 */ | ||
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/omit-if-no-ref/ dcmi_d0_pc6: dcmi_d0_pc6 { | ||
pinmux = <STM32_PINMUX('C', 6, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_D1 */ | ||
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/omit-if-no-ref/ dcmi_d1_pc7: dcmi_d1_pc7 { | ||
pinmux = <STM32_PINMUX('C', 7, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_D2 */ | ||
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/omit-if-no-ref/ dcmi_d2_pe0: dcmi_d2_pe0 { | ||
pinmux = <STM32_PINMUX('E', 0, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_D3 */ | ||
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/omit-if-no-ref/ dcmi_d3_pe1: dcmi_d3_pe1 { | ||
pinmux = <STM32_PINMUX('E', 1, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_D4 */ | ||
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/omit-if-no-ref/ dcmi_d4_pe4: dcmi_d4_pe4 { | ||
pinmux = <STM32_PINMUX('E', 4, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_D5 */ | ||
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/omit-if-no-ref/ dcmi_d5_pd3: dcmi_d5_pd3 { | ||
pinmux = <STM32_PINMUX('D', 3, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_D6 */ | ||
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/omit-if-no-ref/ dcmi_d6_pe5: dcmi_d6_pe5 { | ||
pinmux = <STM32_PINMUX('E', 5, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
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/* DCMI_D7 */ | ||
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/omit-if-no-ref/ dcmi_d7_pe6: dcmi_d7_pe6 { | ||
pinmux = <STM32_PINMUX('E', 6, AF13)>; | ||
slew-rate = "very-high-speed"; | ||
}; | ||
}; |
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CONFIG_VIDEO=y | ||
CONFIG_VIDEO_SW_GENERATOR=y | ||
CONFIG_SHELL=y | ||
CONFIG_DEVICE_SHELL=y | ||
CONFIG_PRINTK=y | ||
CONFIG_LOG=y | ||
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CONFIG_LV_Z_MEM_POOL_SIZE=16384 | ||
CONFIG_MAIN_STACK_SIZE=2048 | ||
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CONFIG_DISPLAY=y | ||
CONFIG_DISPLAY_LOG_LEVEL_ERR=y | ||
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CONFIG_LVGL=y | ||
CONFIG_LV_MEM_CUSTOM=y | ||
CONFIG_LV_USE_LOG=y | ||
CONFIG_LV_USE_LABEL=y | ||
CONFIG_LV_USE_BTN=y | ||
CONFIG_LV_USE_ARC=y | ||
CONFIG_LV_USE_IMG=y | ||
CONFIG_LV_FONT_MONTSERRAT_14=y |
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