cpu_usbdev.h File Reference

USB CPU specific definitions for the STM32 family. More...

Detailed Description

USB CPU specific definitions for the STM32 family.

Author

Hauke Petersen hauke.nosp@m..pet.nosp@m.ersen.nosp@m.@fu-.nosp@m.berli.nosp@m.n.de

Vincent Dupont vince.nosp@m.nt@o.nosp@m.takey.nosp@m.s.co.nosp@m.m

Definition in file cpu_usbdev.h.

#include <stdint.h>
#include "periph/cpu_gpio.h"

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Go to the source code of this file.

Data Structures
struct	stm32_usbdev_fs_config_t
	stm32 USB device FS configuration More...
#define	USBDEV_CPU_DMA_ALIGNMENT   (4)
	USBDEV buffers must be word aligned because of DMA restrictions.
#define	USBDEV_CPU_DMA_REQUIREMENTS   __attribute__((aligned(USBDEV_CPU_DMA_ALIGNMENT)))
	USBDEV buffer instantiation requirement.

Flags used in stm32_usbdev_fs_config_t
#define	STM32_USBDEV_FS_CONFIG_FLAG_DISCONN_INVERTED   0x01
	Indicates that logic levels are inverted compared to a GPIO connected directly via a 1.5 kOhm resistor to the USB D+ signal.

Macro Definition Documentation

STM32_USBDEV_FS_CONFIG_FLAG_DISCONN_INVERTED

#define STM32_USBDEV_FS_CONFIG_FLAG_DISCONN_INVERTED   0x01

Indicates that logic levels are inverted compared to a GPIO connected directly via a 1.5 kOhm resistor to the USB D+ signal.

Definition at line 46 of file cpu_usbdev.h.

USBDEV_CPU_DMA_ALIGNMENT

#define USBDEV_CPU_DMA_ALIGNMENT   (4)

USBDEV buffers must be word aligned because of DMA restrictions.

Definition at line 31 of file cpu_usbdev.h.

USBDEV_CPU_DMA_REQUIREMENTS

#define USBDEV_CPU_DMA_REQUIREMENTS   __attribute__((aligned(USBDEV_CPU_DMA_ALIGNMENT)))

USBDEV buffer instantiation requirement.

Definition at line 36 of file cpu_usbdev.h.