CCD module (CCD)

Global variable

Global variable	type	Annotation
buf_CCD	char[20]	Used to store CCD data display
ADV	u16[128]	Store the voltage value of 128 pixels
CCD_Zhongzhi	u8	CCD median value
CCD_Yuzhi	u8	Annotation threshold
ADC_128X32	uint8_t[128]	Returns 128 pixel points ADV collection voltage values ​​array

Macro definition

Macro definition	value	Annotation
TSL_SI	PBout(5)	SI signal
TSL_CLK	PBout(4)	CLK signal
CCD_SI_CLK	RCC_APB2Periph_GPIOB	The clock of the Si signal pin
CCD_SI_PIN	GPIO_Pin_5	Si signal's GPIO pin
CCD_SI_PORT	GPIOB	GPIO port of SI signal
CCD_CLK_CLK	RCC_APB2Periph_GPIOB	CLK signal pin clock
CCD_CLK_PIN	GPIO_Pin_4	CLK signal GPIO pin
CCD_CLK_PORT	GPIOB	CLK signal GPIO port
CCD_AO_CLK	RCC_APB2Periph_GPIOA	AO signal pin clock
CCD_AO_PIN	GPIO_Pin_4	AO signal's GPIO pin
CCD_AO_PORT	GPIOA	GPIO port of AO signal
CCD_ADC	ADC2	ADC used
CCD_ADC_CLK	RCC_APB2Periph_ADC2	ADC clock
CCD_ADC_CH	ADC_Channel_4	ADC channel

method

ccd_Init(void)

Linear CCD initialization

Return value	type
none	void

Get_Adc_CCD(u8 ch)

AD sampling

parameter	type	Annotation
ch	u8	ADC channel

Return value	type
AD conversion result	u16

Dly_us(void)

Delay function

Return value	type
none	void

RD_TSL(void)

CCD data collection

Return value	type
none	void

deal_data_ccd(void)

Start CCD collection and process output data

Return value	type
none	void

Find_CCD_Zhongzhi(void)

Linear CCD take medium value

Return value	type
none	void

CCD_Get_ADC_128X32(void)

Returns 128 pixel points ADV collection voltage values ​​and compress the amplitude to 128 *32

Return value	type
uint8_t*	128 pointers to storage

OLED_Show_CCD_Image(uint8_t* p_img)

Display CCD images on OLED

parameter	type	Annotation
p_img	uint8_t*	Pointing to image data

Return value	type
none	void

binToHex_low(u8 num)

Convert the binary number to low level, hexadecimal,

parameter	type	Annotation
num	u8	Number to be converted

Return value	type
Low Sixteen Equipment Number	char

binToHex_high(u8 num)

Convert binary numbers to high level hexadic

parameter	type	Annotation
num	u8	Number to be converted

Return value	type
High Sixteen -in -Publication Number	char

slove_data(void)

Processed the obtained data

Return value	type
none	void

sendToPc(void)

Send data to PC

Return value	type
none	void