GPIO Pin Configuration

If mode specifies input, configuration can be. More...

Collaboration diagram for GPIO Pin Configuration:

Macros
#define	GPIO_CNF_INPUT_ANALOG   0x00
	Analog Input. More...
#define	GPIO_CNF_INPUT_FLOAT   0x01 /* Default */
	Digital Input Floating. More...
#define	GPIO_CNF_INPUT_PULL_UPDOWN   0x02
	Digital Input Pull Up and Down. More...
#define	GPIO_CNF_OUTPUT_PUSHPULL   0x00
	Digital Output Pushpull. More...
#define	GPIO_CNF_OUTPUT_OPENDRAIN   0x01
	Digital Output Open Drain. More...
#define	GPIO_CNF_OUTPUT_ALTFN_PUSHPULL   0x02
	Alternate Function Output Pushpull. More...
#define	GPIO_CNF_OUTPUT_ALTFN_OPENDRAIN   0x03
	Alternate Function Output Open Drain. More...

Detailed Description

If mode specifies input, configuration can be.

• Analog input
• Floating input
• Pull up/down input

If mode specifies output, configuration can be

• Digital push-pull
• Digital open drain
• Alternate function push-pull or analog output
• Alternate function open drain or analog output

Macro Definition Documentation

GPIO_CNF_INPUT_ANALOG

#define GPIO_CNF_INPUT_ANALOG   0x00

Analog Input.

Definition at line 618 of file f1/gpio.h.

GPIO_CNF_INPUT_FLOAT

#define GPIO_CNF_INPUT_FLOAT   0x01 /* Default */

Digital Input Floating.

Definition at line 620 of file f1/gpio.h.

GPIO_CNF_INPUT_PULL_UPDOWN

#define GPIO_CNF_INPUT_PULL_UPDOWN   0x02

Digital Input Pull Up and Down.

Definition at line 622 of file f1/gpio.h.

GPIO_CNF_OUTPUT_ALTFN_OPENDRAIN

#define GPIO_CNF_OUTPUT_ALTFN_OPENDRAIN   0x03

Alternate Function Output Open Drain.

Definition at line 631 of file f1/gpio.h.

GPIO_CNF_OUTPUT_ALTFN_PUSHPULL

#define GPIO_CNF_OUTPUT_ALTFN_PUSHPULL   0x02

Alternate Function Output Pushpull.

Definition at line 629 of file f1/gpio.h.

GPIO_CNF_OUTPUT_OPENDRAIN

#define GPIO_CNF_OUTPUT_OPENDRAIN   0x01

Digital Output Open Drain.

Definition at line 627 of file f1/gpio.h.

GPIO_CNF_OUTPUT_PUSHPULL

#define GPIO_CNF_OUTPUT_PUSHPULL   0x00

Digital Output Pushpull.

Definition at line 625 of file f1/gpio.h.