ref: a80af55313ca99a442b2574dd53ebedfb9e736fc
dir: /LEAF/Inc/usbh_MIDI.h/
/**
******************************************************************************
* @file usbh_MIDI.h
* @author Xavier Halgand
* @version
* @date
* @brief This file contains all the prototypes for the usbh_MIDI.c
******************************************************************************
*/
/*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
/* Define to prevent recursive ----------------------------------------------*/
#ifndef __USBH_MIDI_CORE_H
#define __USBH_MIDI_CORE_H
#ifdef __cplusplus
extern "C" {
#endif
/* Includes ------------------------------------------------------------------*/
#include "usbh_core.h"
//#include "stm32f7xx_nucleo_144.h"
/*-------------------------------------------------------------------------------*/
// buffer size (should be at least >= MIOS32_USB_MIDI_DESC_DATA_*_SIZE/4)
#define USB_MIDI_RX_BUFFER_SIZE 64 // packages
#define USB_MIDI_TX_BUFFER_SIZE 64 // packages
// size of IN/OUT pipe
#define USB_MIDI_DATA_IN_SIZE 64
#define USB_MIDI_DATA_OUT_SIZE 64
// endpoint assignments (don't change!)
#define USB_MIDI_DATA_OUT_EP 0x02
#define USB_MIDI_DATA_IN_EP 0x81
/** @defgroup USBH_MIDI_CORE_Exported_Defines
* @{
*/
#define USB_AUDIO_CLASS 0x01
#define USB_MIDISTREAMING_SubCLASS 0x03
#define USB_MIDI_DESC_SIZE 9
#define USBH_MIDI_CLASS &MIDI_Class
/*-------------------------------------------------------------------------------*/
extern USBH_ClassTypeDef MIDI_Class;
/* -------------------- Exported_Types ------------------------------------------*/
typedef enum {
NoteOff = 0x8,
NoteOn = 0x9,
PolyPressure = 0xa,
CC = 0xb,
ProgramChange = 0xc,
Aftertouch = 0xd,
PitchBend = 0xe
} midi_event_t;
typedef enum {
Chn1,
Chn2,
Chn3,
Chn4,
Chn5,
Chn6,
Chn7,
Chn8,
Chn9,
Chn10,
Chn11,
Chn12,
Chn13,
Chn14,
Chn15,
Chn16
} midi_chn_t;
#pragma anon_unions
typedef union {
struct {
uint32_t ALL;
};
struct {
uint8_t cin_cable;
uint8_t evnt0;
uint8_t evnt1;
uint8_t evnt2;
};
struct {
uint8_t type:4;
uint8_t cable:4;
uint8_t chn:4; // mios32_midi_chn_t
uint8_t event:4; // mios32_midi_event_t
uint8_t value1;
uint8_t value2;
};
// C++ doesn't allow to redefine names in anonymous unions
// as a simple workaround, we rename these redundant names
struct {
uint8_t cin:4;
uint8_t dummy1_cable:4;
uint8_t dummy1_chn:4; // mios32_midi_chn_t
uint8_t dummy1_event:4; // mios32_midi_event_t
uint8_t note:8;
uint8_t velocity:8;
};
struct {
uint8_t dummy2_cin:4;
uint8_t dummy2_cable:4;
uint8_t dummy2_chn:4; // mios32_midi_chn_t
uint8_t dummy2_event:4; // mios32_midi_event_t
uint8_t cc_number:8;
uint8_t value:8;
};
struct {
uint8_t dummy3_cin:4;
uint8_t dummy3_cable:4;
uint8_t dummy3_chn:4; // mios32_midi_chn_t
uint8_t dummy3_event:4; // mios32_midi_event_t
uint8_t program_change:8;
uint8_t dummy3:8;
};
} midi_package_t;
/* States for MIDI State Machine */
typedef enum
{
MIDI_IDLE= 0,
MIDI_SEND_DATA,
MIDI_SEND_DATA_WAIT,
MIDI_RECEIVE_DATA,
MIDI_RECEIVE_DATA_WAIT,
}
MIDI_DataStateTypeDef;
typedef enum
{
MIDI_IDLE_STATE= 0,
MIDI_TRANSFER_DATA,
MIDI_ERROR_STATE,
}
MIDI_StateTypeDef;
/* Structure for MIDI process */
typedef struct _MIDI_Process
{
MIDI_StateTypeDef state;
uint8_t InPipe;
uint8_t OutPipe;
uint8_t OutEp;
uint8_t InEp;
uint16_t OutEpSize;
uint16_t InEpSize;
uint8_t *pTxData;
uint8_t *pRxData;
uint16_t TxDataLength;
uint16_t RxDataLength;
MIDI_DataStateTypeDef data_tx_state;
MIDI_DataStateTypeDef data_rx_state;
uint8_t Rx_Poll;
//uint8_t buff[8];
//MIDI_DataItfTypedef DataItf;
//CDC_InterfaceDesc_Typedef CDC_Desc;
}
MIDI_HandleTypeDef;
/*---------------------------Exported_FunctionsPrototype-------------------------------------*/
USBH_StatusTypeDef USBH_MIDI_Transmit(USBH_HandleTypeDef *phost,
uint8_t *pbuff,
uint16_t length);
USBH_StatusTypeDef USBH_MIDI_Receive(USBH_HandleTypeDef *phost,
uint8_t *pbuff,
uint16_t length);
uint32_t USBH_MIDI_GetLastReceivedDataSize(USBH_HandleTypeDef *phost);
USBH_StatusTypeDef USBH_MIDI_Stop(USBH_HandleTypeDef *phost);
void USBH_MIDI_TransmitCallback(USBH_HandleTypeDef *phost);
void USBH_MIDI_ReceiveCallback(USBH_HandleTypeDef *phost, uint32_t myLength);
/*-------------------------------------------------------------------------------------------*/
#endif /* __USBH_MIDI_CORE_H */
/*****************************END OF FILE*************************************************************/