PS2(PS2)

Global variable

Global variable	type	Annotation
Handkey	u16	Key value read temporary storage
Comd	u8[2]	Start command array
Data	u8[9]	Data storage array
MASK	u16[16]	Key to cover the array

Macro definition

Macro definition	value	Annotation
PS_RCC_DI	RCC_APB2Periph_GPIOB	Data input DI pin clock
PS_RCC_DO	RCC_APB2Periph_GPIOB	The clock of the data output DO pin
PS_RCC_CS	RCC_APB2Periph_GPIOB	Clock clock selection CS pin
PS_RCC_CLK	RCC_APB2Periph_GPIOB	Clock clock clock
PS_PIN_DI	GPIO_Pin_14	Data input DI football
PS_PIN_DO	GPIO_Pin_15	Data output do foot
PS_PIN_CS	GPIO_Pin_12	CS pin
PS_PIN_CLK	GPIO_Pin_13	Clock CLK pin
PS_PORT_DI	GPIOB	GPIO port of di pin
PS_PORT_DO	GPIOB	GPIO port of Do pin
PS_PORT_CS	GPIOB	GPIO port of CS pin
PS_PORT_CLK	GPIOB	GPIO port of CLK pin
DI	PBin(14)	Data input
DO_H	PBout(15)=1	High command position
DO_L	PBout(15)=0	Low command position
CS_H	PBout(12)=1	CS pulled high
CS_L	PBout(12)=0	CS pulled low
CLK_H	PBout(13)=1	Clock high
CLK_L	PBout(13)=0	Clock low
PSB_*	Corresponding key value	The constant definition of various keys

method

PS2_Init(void)

PS2 receiver module initialization

Return value	type
none	void

PS2_Cmd(u8 CMD)

Send command to the handle

parameter	type	Annotation
CMD	u8	Order to be sent

Return value	type
noneone	void

PS2_RedLight(void)

Determine whether it is a red light mode

Return value	type
0	u8	Red light mode
1	u8	Other modes

PS2_ReadData(void)

Read the handle data

Return value	type
none	void

PS2_DataKey(void)

Read the key value

Return value	type
Key value	u8

PS2_AnologData(u8 button)

The analog of getting the joystick

parameter	type	Annotation
button	u8	The joystick button to be read

Return value	type
Simulation	u8

PS2_ClearData(void)

Clear data buffer

Return value	type
none	void

PS2_Vibration(u8 motor1, u8 motor2)

Set the handle vibration

parameter	type	Annotation
motor1	u8	Small vibration motor on the right (0x00 level, other opening)
motor2	u8	The left large vibration motor (0x40 ~ 0xff opened, the larger the value, the larger the vibration)

Return value	type
none	void

PS2_ShortPoll(void)

Inquiry

Return value	type
none	void

PS2_EnterConfing(void)

Enter the configuration mode

Return value	type
none	void

PS2_TurnOnAnalogMode(void)

Send analog mode settings

Return value	type
none	void

PS2_VibrationMode(void)

Set up vibration mode

Return value	type
none	void

PS2_ExitConfing(void)

Complete and save configuration

Return value	type
none	void

PS2_SetInit(void)

Controller configuration initialization

Return value	type
none	void

PS2_Data_Show(void)

Key value test and output function

Return value	type
none	void