39 lines
872 B
C
39 lines
872 B
C
#ifndef __SCCB_H
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#define __SCCB_H
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#include "sys.h"
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#include "gpio.h"
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//IO操作函数
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#define SCCB_SDA_IN() {GPIOB->MODER&=~(3<<(5*2));GPIOB->MODER|=0<<5*2;} //PD7 输入
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#define SCCB_SDA_OUT() {GPIOB->MODER&=~(3<<(5*2));GPIOB->MODER|=1<<5*2;} //PD7 输出
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#define SCCB_ID 0X60 //OV2640的ID
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//IO方向设置
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#define SCCB_SDA_IN() {GPIOB->MODER&=~(3<<(5*2));GPIOB->MODER|=0<<5*2;} //PD7 输入
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#define SCCB_SDA_OUT() {GPIOB->MODER&=~(3<<(5*2));GPIOB->MODER|=1<<5*2;} //PD7 输出
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#define SCCB_ID 0X60 //OV2640的ID
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void SCCB_Init(void);
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void SCCB_Start(void);
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void SCCB_Stop(void);
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void SCCB_No_Ack(void);
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uint8_t SCCB_WR_Byte(uint8_t dat);
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uint8_t SCCB_RD_Byte(void);
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uint8_t SCCB_WR_Reg(uint8_t reg,uint8_t data);
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uint8_t SCCB_RD_Reg(uint8_t reg);
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void SCCB_SCL(uint8_t sccb_scl);
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void SCCB_SDA(uint8_t sccb_sda);
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uint8_t SCCB_READ_SDA(void);
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#endif
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