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

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1.7 KiB

/*
* 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_Fault_SetBlinkRate(LED_FAST_BLINK_RATE); \
/*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_ */