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STM32H750XB_RT-THREAD/45-DCMI—OV2640摄像头实验/必读说明.txt

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STM32H750 RTThread 例程
2025-07-21 06:34:29 +00:00
/*********************************************************************************************/
<EFBFBD><EFBFBD>*<2A><> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ƣ<EFBFBD>LTDC<44><43>Һ<EFBFBD><D2BA><EFBFBD><EFBFBD>ʾͼ<CABE><CDBC>
-ʵ<><CAB5>ƽ̨: Ұ<><D2B0>STM32 H750 <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-MDK<44>汾<EFBFBD><E6B1BE>5.25
-ST<53>̼<EFBFBD><CCBC><EFBFBD><EFBFBD>汾<EFBFBD><E6B1BE>1.5.0
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ܼ<EFBFBD><DCBC>飺
<EFBFBD><EFBFBD>ʾOV2640<EFBFBD>ɼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD>񣬲<EFBFBD>ͨ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>ʵʱ<EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD> <20><><EFBFBD><EFBFBD>ʵ<EFBFBD><CAB5><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD><EFBFBD>Ӻ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>׵<EFBFBD>5.0<EFBFBD><EFBFBD>Һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>OV2640<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>س<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>λ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>弴<EFBFBD>ɣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ɿ<EFBFBD><EFBFBD><EFBFBD>OV2640<EFBFBD>ɼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ͼ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>*<2A><>ע<EFBFBD><D7A2><EFBFBD><EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>
<EFBFBD><EFBFBD>*<2A><><EFBFBD>Դ<EFBFBD><D4B4>ռ䣺
<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Ҫʹ<EFBFBD><EFBFBD>SDRAM<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ档
Һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣬ÿ<EFBFBD><EFBFBD><EFBFBD>ж<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD>ռ䣬ÿ<EFBFBD><EFBFBD>ռ<EFBFBD><EFBFBD> [<5B><>Ļ<EFBFBD><C4BB><EFBFBD><EFBFBD>*<2A><><EFBFBD>ؿ<EFBFBD><D8BF><EFBFBD>] <20>Ŀռ䡣
<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LTDC<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>úö<EFBFBD>Ӧ<EFBFBD>IJ<EFBFBD><EFBFBD><EFBFBD>ʾЧ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD>д<EFBFBD><EFBFBD><EFBFBD>ݾͻ<EFBFBD><EFBFBD><EFBFBD>ʾ<EFBFBD><EFBFBD>Һ<EFBFBD><EFBFBD><EFBFBD>ϡ<EFBFBD>
ʹ<EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD>LCD_LayerInit<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Һ<EFBFBD><EFBFBD>ΪARGB8888ģʽ<EFBFBD><EFBFBD>
<EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>䣺
ARGB8888,<2C><><EFBFBD>ؿ<EFBFBD><D8BF><EFBFBD>4<EFBFBD>ֽڡ<D6BD>
<EFBFBD><EFBFBD>һ<EFBFBD>㣺<EFBFBD><EFBFBD>ַ (0xD0000000)<29><>((0xD0000000 + 4*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD>*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>)-1)
<EFBFBD>ڶ<EFBFBD><EFBFBD>㣺<EFBFBD><EFBFBD>ַ (0xD0000000 + 4*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD>*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>) <20><>(0xD0000000 + 2*4*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD>*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>)
ʹ<EFBFBD>ú<EFBFBD><EFBFBD><EFBFBD>LCD_LayerInit<EFBFBD><EFBFBD><EFBFBD><EFBFBD>Һ<EFBFBD><EFBFBD>ΪRBG565ģʽ<EFBFBD><EFBFBD>
<EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>䣺
RGB565<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD><EFBFBD><EFBFBD>2<EFBFBD>ֽڡ<EFBFBD>
<EFBFBD><EFBFBD>һ<EFBFBD>㣺<EFBFBD><EFBFBD>ַ (0xD0000000)<29><>((0xD0000000 + 2*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD>*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>)-1)
<EFBFBD>ڶ<EFBFBD><EFBFBD>㣺<EFBFBD><EFBFBD>ַ (0xD0000000 + 2*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD>*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>) <20><><EFBFBD><EFBFBD>(0xD0000000 + 2*2*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ؿ<EFBFBD>*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ظ<EFBFBD>)-1<><31>
<EFBFBD><EFBFBD>*<2A><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
800*480<38>ֱ<EFBFBD><D6B1><EFBFBD>ʱ<EFBFBD><CAB1>
DMA2Dˢ<EFBFBD><EFBFBD>ɫ<EFBFBD><EFBFBD><EFBFBD>Σ<EFBFBD>149֡/s
<EFBFBD><EFBFBD>ͨDMAˢ<EFBFBD><EFBFBD><EFBFBD>ݣ<EFBFBD>90֡/s
<EFBFBD><EFBFBD>ͨDMA<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ˢSD<EFBFBD><EFBFBD><EFBFBD><EFBFBD>BMPͼƬ<EFBFBD><EFBFBD>6֡/s<><73><EFBFBD><EFBFBD>Ҫ<EFBFBD><D2AA><EFBFBD><EFBFBD>SD<53><44><EFBFBD><EFBFBD><EFBFBD>ٶȣ<D9B6>
ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ָ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>Դ<EFBFBD><EFBFBD><EFBFBD><EFBFBD>㣺28֡/s
LTDCʱ<EFBFBD><EFBFBD>Ƶ<EFBFBD>ʣ<EFBFBD>27MHz <20><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>LCD_Init<69><74><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ã<EFBFBD>
<EFBFBD><EFBFBD>*<2A><> <20><><EFBFBD>ŷ<EFBFBD><C5B7><EFBFBD>
Һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
Һ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӿ<EFBFBD><EFBFBD><EFBFBD>STM32<EFBFBD><EFBFBD>LTDC<EFBFBD>ӿ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>֧<EFBFBD><EFBFBD>RGB888<EFBFBD><EFBFBD>565<EFBFBD><EFBFBD>ʽ<EFBFBD><EFBFBD>
STM32ֱ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ⲿҺ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>оƬ.
/*Һ<><D2BA><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD>*/
CLK <--->PG7
HSYNC <--->PI10
VSYNC <--->PI9
DE <--->PF10
DISP <--->PD4
BL <--->PD7
/*<2A><><EFBFBD>ݴ<EFBFBD><DDB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD>*/
RSTN <--->PD13
INT <--->PD12
SDA <--->PB6
SCL <--->PB7
RGB<EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>ʡ<EFBFBD><EFBFBD>,<2C><>ʵ<EFBFBD><CAB5>û<EFBFBD><C3BB><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>꿴<EFBFBD><EABFB4><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʵ<EFBFBD>顣
SDRAM <20><>W9812G6JH 16M<36>ֽڣ<D6BD><DAA3><EFBFBD>
SDRAMоƬ<EFBFBD>Ľӿ<EFBFBD><EFBFBD><EFBFBD>STM32<EFBFBD><EFBFBD>FMC<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
/*<2A><><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><C5BA><EFBFBD>*/
CS <--->PH6
BA0 <--->PG4
BA1 <--->PG5
WE <--->PC0
CS <--->PH6
RAS <--->PF11
CAS <--->PG15
CLK <--->PG8
CKE <--->PH7
UDQM<--->PE1
LDQM<--->PE0
<EFBFBD><EFBFBD>ַ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ź<EFBFBD><EFBFBD><EFBFBD>ʡ<EFBFBD>ԣ<EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ӵ<EFBFBD>SDRAM<EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַΪ (0xD0000000)<29><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ַΪ(0xD1000000),<2C><>СΪ16M<36>ֽ<EFBFBD>
/*********************************************************************************************/
<EFBFBD><EFBFBD>*<2A><> ʱ<><CAB1>
A.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD>
-<2D>ⲿ<EFBFBD><E2B2BF><EFBFBD>پ<EFBFBD><D9BE><EFBFBD><EFBFBD><EFBFBD>25MHz
-RTC<54><43><EFBFBD><EFBFBD><EFBFBD><EFBFBD>32.768KHz
B.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ʱ<EFBFBD>ӣ<EFBFBD>
-ϵͳʱ<CDB3><CAB1> = SYCCLK = 480MHz
-AHB4 = 240MHz
-AXI = 240MHz
-APB1 = 120MHz
-APB2 = 120MHz
-APB3 = 120MHz
C.<2E><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>㵥Ԫ<E3B5A5><D4AA>
ʹ<><CAB9>
/*********************************************************************************************/
<EFBFBD><EFBFBD>*<2A><> <20>汾
-<2D><><EFBFBD><EFBFBD><EFBFBD>汾<EFBFBD><E6B1BE>1.0
-<2D><><EFBFBD><EFBFBD><EFBFBD><EFBFBD><EFBFBD>ڣ<EFBFBD>2019
-<2D>汾<EFBFBD><E6B1BE><EFBFBD><EFBFBD>˵<EFBFBD><CBB5><EFBFBD><EFBFBD><EFBFBD>״η<D7B4><CEB7><EFBFBD>
/*********************************************************************************************/
<EFBFBD><EFBFBD>*<2A><> <20><>ϵ<EFBFBD><CFB5><EFBFBD><EFBFBD>
-Ұ<><D2B0><EFBFBD><EFBFBD>̳ :http://www.firebbs.cn
-<2D>Ա<EFBFBD><D4B1><EFBFBD><EFBFBD><EFBFBD> :http://firestm32.taobao.com
/*********************************************************************************************/
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