Configuration management

Manage USB device endpoint configurations. More...

Functions
bool	valid_configuration_index (int8_t index)
bool	set_configuration_index (int8_t index)
int8_t	get_configuration_index ()
const struct configuration_t *	get_configuration_P (int8_t index)

Detailed Description

Manage USB device endpoint configurations.

Function Documentation

int8_t get_configuration_index

(

)

Get the current configuration index.

Returns

-1 if no configuration was previously selected, 0 or a positive value otherwise.

bool set_configuration_index

(

int8_t

index

)

Select device configuration with index index.

Returns

true if the new configuration was selected, false otherwise.

bool valid_configuration_index

(

int8_t

index

)

Check whether the given configuration index index is valid. Index 0 will always return true as this is required by all USB devices.