blob: 657e492f33adfc21e1e95aa6b6ff2809ddb6bce4 [file] [log] [blame]
/*
* Copyright (c) 2022 Nordic Semiconductor ASA
*
* SPDX-License-Identifier: Apache-2.0
*/
#ifndef ZEPHYR_INCLUDE_USBD_CH9_H
#define ZEPHYR_INCLUDE_USBD_CH9_H
#include <zephyr/usb/usbd.h>
/**
* @brief Check whether USB device is in default state.
*
* @param[in] node Pointer to a device context
*
* @return true if USB device is in default state, false otherwise
*/
static inline bool usbd_state_is_default(const struct usbd_contex *const uds_ctx)
{
return (uds_ctx->ch9_data.state == USBD_STATE_DEFAULT) ? true : false;
}
/**
* @brief Check whether USB device is in address state.
*
* @param[in] node Pointer to a device context
*
* @return true if USB device is in address state, false otherwise
*/
static inline bool usbd_state_is_address(const struct usbd_contex *const uds_ctx)
{
return (uds_ctx->ch9_data.state == USBD_STATE_ADDRESS) ? true : false;
}
/**
* @brief Check whether USB device is in configured state.
*
* @param[in] node Pointer to a device context
*
* @return true if USB device is in configured state, false otherwise
*/
static inline bool usbd_state_is_configured(const struct usbd_contex *const uds_ctx)
{
return (uds_ctx->ch9_data.state == USBD_STATE_CONFIGURED) ? true : false;
}
/**
* @brief Get current configuration value
*
* @param[in] uds_ctx Pointer to a device context
*
* @return current configuration value
*/
static inline uint8_t usbd_get_config_value(const struct usbd_contex *const uds_ctx)
{
return uds_ctx->ch9_data.configuration;
}
/**
* @brief Set current configuration value
*
* @param[in] uds_ctx Pointer to a device context
* @param[in] value New configuration value
*/
static inline void usbd_set_config_value(struct usbd_contex *const uds_ctx,
const uint8_t value)
{
uds_ctx->ch9_data.configuration = value;
}
/**
* @brief Get interface alternate value
*
* @param[in] uds_ctx Pointer to a device context
* @param[in] iface Interface number
* @param[out] alt Alternate value
*
* @return 0 on success, other values on fail.
*/
static inline int usbd_get_alt_value(const struct usbd_contex *const uds_ctx,
const uint8_t iface,
uint8_t *const alt)
{
if (iface >= USBD_NUMOF_INTERFACES_MAX) {
return -ENOENT;
}
*alt = uds_ctx->ch9_data.alternate[iface];
return 0;
}
/**
* @brief Set interface alternate value
*
* @param[in] uds_ctx Pointer to a device context
* @param[in] iface Interface number
* @param[out] alt Alternate value
*
* @return 0 on success, other values on fail.
*/
static inline int usbd_set_alt_value(struct usbd_contex *const uds_ctx,
const uint8_t iface,
const uint8_t alt)
{
if (iface >= USBD_NUMOF_INTERFACES_MAX) {
return -ENOENT;
}
uds_ctx->ch9_data.alternate[iface] = alt;
return 0;
}
/**
* @brief Get pointer to last received setup packet
*
* @param[in] uds_ctx Pointer to a device context
*
* @return Pointer to last received setup packet
*/
static inline struct usb_setup_packet *
usbd_get_setup_pkt(struct usbd_contex *const uds_ctx)
{
return &uds_ctx->ch9_data.setup;
}
/**
* @brief Handle control endpoint transfer result
*
* @param[in] uds_ctx Pointer to a device context
* @param[in] buf Pointer to UDC request buffer
* @param[in] err Transfer status
*
* @return 0 on success, other values on fail.
*/
int usbd_handle_ctrl_xfer(struct usbd_contex *uds_ctx,
struct net_buf *buf, int err);
/**
* @brief Initialize control pipe to default values
*
* @param[in] uds_ctx Pointer to a device context
*
* @return 0 on success, other values on fail.
*/
int usbd_init_control_pipe(struct usbd_contex *uds_ctx);
#endif /* ZEPHYR_INCLUDE_USBD_CH9_H */