You cannot select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
198 lines
7.1 KiB
C
198 lines
7.1 KiB
C
/*
|
|
ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
|
|
|
|
Licensed under the Apache License, Version 2.0 (the "License");
|
|
you may not use this file except in compliance with the License.
|
|
You may obtain a copy of the License at
|
|
|
|
http://www.apache.org/licenses/LICENSE-2.0
|
|
|
|
Unless required by applicable law or agreed to in writing, software
|
|
distributed under the License is distributed on an "AS IS" BASIS,
|
|
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
|
See the License for the specific language governing permissions and
|
|
limitations under the License.
|
|
*/
|
|
|
|
/**
|
|
* @file hal_serial_usb.h
|
|
* @brief Serial over USB Driver macros and structures.
|
|
*
|
|
* @addtogroup SERIAL_USB
|
|
* @{
|
|
*/
|
|
|
|
#ifndef HAL_SERIAL_USB_H
|
|
#define HAL_SERIAL_USB_H
|
|
|
|
#if (HAL_USE_SERIAL_USB == TRUE) || defined(__DOXYGEN__)
|
|
|
|
#include "hal_usb_cdc.h"
|
|
|
|
/*===========================================================================*/
|
|
/* Driver constants. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* Driver pre-compile time settings. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @name SERIAL_USB configuration options
|
|
* @{
|
|
*/
|
|
/**
|
|
* @brief Serial over USB buffers size.
|
|
* @details Configuration parameter, the buffer size must be a multiple of
|
|
* the USB data endpoint maximum packet size.
|
|
* @note The default is 256 bytes for both the transmission and receive
|
|
* buffers.
|
|
*/
|
|
#if !defined(SERIAL_USB_BUFFERS_SIZE) || defined(__DOXYGEN__)
|
|
#define SERIAL_USB_BUFFERS_SIZE 256
|
|
#endif
|
|
|
|
/**
|
|
* @brief Serial over USB number of buffers.
|
|
* @note The default is 2 buffers.
|
|
*/
|
|
#if !defined(SERIAL_USB_BUFFERS_NUMBER) || defined(__DOXYGEN__)
|
|
#define SERIAL_USB_BUFFERS_NUMBER 2
|
|
#endif
|
|
/** @} */
|
|
|
|
/*===========================================================================*/
|
|
/* Derived constants and error checks. */
|
|
/*===========================================================================*/
|
|
|
|
#if HAL_USE_USB == FALSE
|
|
#error "Serial over USB Driver requires HAL_USE_USB"
|
|
#endif
|
|
|
|
/*===========================================================================*/
|
|
/* Driver data structures and types. */
|
|
/*===========================================================================*/
|
|
|
|
/**
|
|
* @brief Driver state machine possible states.
|
|
*/
|
|
typedef enum {
|
|
SDU_UNINIT = 0, /**< Not initialized. */
|
|
SDU_STOP = 1, /**< Stopped. */
|
|
SDU_READY = 2 /**< Ready. */
|
|
} sdustate_t;
|
|
|
|
/**
|
|
* @brief Structure representing a serial over USB driver.
|
|
*/
|
|
typedef struct SerialUSBDriver SerialUSBDriver;
|
|
|
|
/**
|
|
* @brief Serial over USB Driver configuration structure.
|
|
* @details An instance of this structure must be passed to @p sduStart()
|
|
* in order to configure and start the driver operations.
|
|
*/
|
|
typedef struct {
|
|
/**
|
|
* @brief USB driver to use.
|
|
*/
|
|
USBDriver *usbp;
|
|
/**
|
|
* @brief Bulk IN endpoint used for outgoing data transfer.
|
|
*/
|
|
usbep_t bulk_in;
|
|
/**
|
|
* @brief Bulk OUT endpoint used for incoming data transfer.
|
|
*/
|
|
usbep_t bulk_out;
|
|
/**
|
|
* @brief Interrupt IN endpoint used for notifications.
|
|
* @note If set to zero then the INT endpoint is assumed to be not
|
|
* present, USB descriptors must be changed accordingly.
|
|
*/
|
|
usbep_t int_in;
|
|
} SerialUSBConfig;
|
|
|
|
/**
|
|
* @brief @p SerialDriver specific data.
|
|
*/
|
|
#define _serial_usb_driver_data \
|
|
_base_asynchronous_channel_data \
|
|
/* Driver state.*/ \
|
|
sdustate_t state; \
|
|
/* Input buffers queue.*/ \
|
|
input_buffers_queue_t ibqueue; \
|
|
/* Output queue.*/ \
|
|
output_buffers_queue_t obqueue; \
|
|
/* Input buffer.*/ \
|
|
uint8_t ib[BQ_BUFFER_SIZE(SERIAL_USB_BUFFERS_NUMBER, \
|
|
SERIAL_USB_BUFFERS_SIZE)]; \
|
|
/* Output buffer.*/ \
|
|
uint8_t ob[BQ_BUFFER_SIZE(SERIAL_USB_BUFFERS_NUMBER, \
|
|
SERIAL_USB_BUFFERS_SIZE)]; \
|
|
/* End of the mandatory fields.*/ \
|
|
/* Current configuration data.*/ \
|
|
const SerialUSBConfig *config;
|
|
|
|
/**
|
|
* @brief @p SerialUSBDriver specific methods.
|
|
*/
|
|
#define _serial_usb_driver_methods \
|
|
_base_asynchronous_channel_methods
|
|
|
|
/**
|
|
* @extends BaseAsynchronousChannelVMT
|
|
*
|
|
* @brief @p SerialDriver virtual methods table.
|
|
*/
|
|
struct SerialUSBDriverVMT {
|
|
_serial_usb_driver_methods
|
|
};
|
|
|
|
/**
|
|
* @extends BaseAsynchronousChannel
|
|
*
|
|
* @brief Full duplex serial driver class.
|
|
* @details This class extends @p BaseAsynchronousChannel by adding physical
|
|
* I/O queues.
|
|
*/
|
|
struct SerialUSBDriver {
|
|
/** @brief Virtual Methods Table.*/
|
|
const struct SerialUSBDriverVMT *vmt;
|
|
_serial_usb_driver_data
|
|
};
|
|
|
|
/*===========================================================================*/
|
|
/* Driver macros. */
|
|
/*===========================================================================*/
|
|
|
|
/*===========================================================================*/
|
|
/* External declarations. */
|
|
/*===========================================================================*/
|
|
|
|
#ifdef __cplusplus
|
|
extern "C" {
|
|
#endif
|
|
void sduInit(void);
|
|
void sduObjectInit(SerialUSBDriver *sdup);
|
|
void sduStart(SerialUSBDriver *sdup, const SerialUSBConfig *config);
|
|
void sduStop(SerialUSBDriver *sdup);
|
|
void sduSuspendHookI(SerialUSBDriver *sdup);
|
|
void sduWakeupHookI(SerialUSBDriver *sdup);
|
|
void sduConfigureHookI(SerialUSBDriver *sdup);
|
|
bool sduRequestsHook(USBDriver *usbp);
|
|
void sduSOFHookI(SerialUSBDriver *sdup);
|
|
void sduDataTransmitted(USBDriver *usbp, usbep_t ep);
|
|
void sduDataReceived(USBDriver *usbp, usbep_t ep);
|
|
void sduInterruptTransmitted(USBDriver *usbp, usbep_t ep);
|
|
msg_t sduControl(USBDriver *usbp, unsigned int operation, void *arg);
|
|
#ifdef __cplusplus
|
|
}
|
|
#endif
|
|
|
|
#endif /* HAL_USE_SERIAL_USB == TRUE */
|
|
|
|
#endif /* HAL_SERIAL_USB_H */
|
|
|
|
/** @} */
|