Increase ITD queue count.
USBHost6ChDac.h
- Committer:
- dokunewon
- Date:
- 2015-10-18
- Revision:
- 3:5006f79eb589
File content as of revision 3:5006f79eb589:
/******************************************************************************* * DISCLAIMER * This software is supplied by Renesas Electronics Corporation and is only * intended for use with Renesas products. No other uses are authorized. This * software is owned by Renesas Electronics Corporation and is protected under * all applicable laws, including copyright laws. * THIS SOFTWARE IS PROVIDED "AS IS" AND RENESAS MAKES NO WARRANTIES REGARDING * THIS SOFTWARE, WHETHER EXPRESS, IMPLIED OR STATUTORY, INCLUDING BUT NOT * LIMITED TO WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE * AND NON-INFRINGEMENT. ALL SUCH WARRANTIES ARE EXPRESSLY DISCLAIMED. * TO THE MAXIMUM EXTENT PERMITTED NOT PROHIBITED BY LAW, NEITHER RENESAS * ELECTRONICS CORPORATION NOR ANY OF ITS AFFILIATED COMPANIES SHALL BE LIABLE * FOR ANY DIRECT, INDIRECT, SPECIAL, INCIDENTAL OR CONSEQUENTIAL DAMAGES FOR * ANY REASON RELATED TO THIS SOFTWARE, EVEN IF RENESAS OR ITS AFFILIATES HAVE * BEEN ADVISED OF THE POSSIBILITY OF SUCH DAMAGES. * Renesas reserves the right, without notice, to make changes to this software * and to discontinue the availability of this software. By using this software, * you agree to the additional terms and conditions found by accessing the * following link: * http://www.renesas.com/disclaimer * Copyright (C) 2015 Renesas Electronics Corporation. All rights reserved. *******************************************************************************/ #ifndef USBHOSTAUDIO_H #define USBHOSTAUDIO_H #include "USBHostConf.h" #include "USBHost.h" #include "USBIsochronous.h" #define USBDAC_DATA_SIZE (192 * 8) #define USBDAC_DATA_SIZE_6CH (192 * 8 * 3) //doku #define USBDAC_ /** * A class to communicate a USB dac (send:only 48kHz,16bit,2ch , receive:only 48kHz,16bit,1ch) */ class USBHostDac : public IUSBEnumerator { public: /** * Constructor */ USBHostDac(); /** Destructor * */ virtual ~USBHostDac(); /** * Try to connect a audio device * * @return true if connection was successful */ bool connect(); /** * Check if a audio is connected * * @returns true if a audio is connected */ bool connected(); /** * Data send : only 48kHz,16bit,2ch. It's sent by the 1536byte unit. * * @param buf pointer on a buffer which will be written * @param len length of the transfer * @param flush if true, less than 1536 bytes of data is sent * * @returns the number of bytes written is returned */ uint32_t send(uint8_t* buf, uint32_t len, bool flush = true); /** * Data receive : only 48kHz,16bit,1ch * * @param buf pointer on a buffer which will be read * @param len length of the transfer * * @returns the number of bytes read is returned */ uint32_t receive(uint8_t* buf, uint32_t len); void FUMute(int unit, int ch, int mute); //doku void FUVolume(int unit, int ch, int mute); //doku void USBHostDac::FUSelect(int unit, int sel); //doku void USBHostDac::setMuteAndVolume(void); //doku protected: //From IUSBEnumerator virtual void setVidPid(uint16_t vid, uint16_t pid); virtual bool parseInterface(uint8_t intf_nb, uint8_t intf_class, uint8_t intf_subclass, uint8_t intf_protocol); //Must return true if the interface should be parsed virtual bool useEndpoint(uint8_t intf_nb, ENDPOINT_TYPE type, ENDPOINT_DIRECTION dir); //Must return true if the endpoint will be used private: typedef struct { IsochronousEp* m_isoEp; uint16_t wMaxPacketSize; uint8_t bEndpointAddress; uint8_t bInterfaceNumber; uint8_t bAlternateSetting; uint8_t* p_rest_data; uint32_t rest_data_index; uint32_t rest_data_size; } iso_if_t; USBHost * host; USBDeviceConnected * dev; bool dev_connected; bool audio_device_found; int audio_intf; int audio_intf_cnt; iso_if_t iso_send; iso_if_t iso_recv; void init(); void onDisconnect(); bool chkAudioStreaming(); USB_TYPE setInterface(uint16_t alt, uint16_t index); void setSamplingRate(uint8_t endpoint_adder, uint32_t sampling_rate); }; #endif