usb-firewall-fork/Downstream/Inc/downstream_statemachine.h

/*
 * downstream_statemachine.h
 *
 *  Created on: 2/08/2015
 *      Author: Robert Fisk
 *
 * This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at https://mozilla.org/MPL/2.0/.
 */

#ifndef INC_DOWNSTREAM_STATEMACHINE_H_
#define INC_DOWNSTREAM_STATEMACHINE_H_


#include "usbh_def.h"
#include "usb_host.h"
#include "downstream_spi.h"


typedef enum
{
    STATE_DEVICE_NOT_READY,
    STATE_DEVICE_READY,         //Go here if HOST_USER_CLASS_ACTIVE callback arrives first
    STATE_WAIT_DEVICE_READY,    //Go here if COMMAND_INTERFACE_NOTIFY_DEVICE message arrives first
    STATE_ACTIVE,
    STATE_ERROR
} DownstreamStateTypeDef;



#define DOWNSTREAM_STATEMACHINE_FREAKOUT                \
    do {                                                \
        USB_Host_Disconnect();                          \
        LED_SetState(LED_STATUS_FLASH_ERROR);           \
        /*DownstreamState = STATE_ERROR;   */           \
        while (1);                                      \
} while (0);




void Downstream_InitStateMachine(void);
void Downstream_HostUserCallback(USBH_HandleTypeDef *phost, uint8_t id);
void Downstream_PacketProcessor(DownstreamPacketTypeDef* receivedPacket);
void Downstream_PacketProcessor_GenericErrorReply(DownstreamPacketTypeDef* replyPacket);
void Downstream_PacketProcessor_ClassReply(DownstreamPacketTypeDef* replyPacket);
void Downstream_PacketProcessor_NotifyDisconnectReplyRequired(void);
void Downstream_PacketProcessor_CheckNotifyDisconnectReply(void);
void Downstream_PacketProcessor_SetErrorState(void);
void Downstream_PacketProcessor_FreakOut(void);


#endif /* INC_DOWNSTREAM_STATEMACHINE_H_ */