MP3 Player without external hardware MP3 Player without external hardware. A software based MP3 player based on a modified version of libmad. Mono output (at the moment) via AnalogOut. Files are read from an USB drive. This is a demo program, it plays only one file at the moment. Documentation is in "main.cpp" and "config.h"
USBHostLite/usbhost_ms.h@2:f28cf0afd021, 2010-11-27 (annotated)
- Committer:
- Gruenfrosch
- Date:
- Sat Nov 27 17:27:33 2010 +0000
- Revision:
- 2:f28cf0afd021
- Parent:
- 0:7627c79db971
Version 3:
* moved another memory block into AHB RAM, giving more room for
* stereo buffer.
* moved content of decode() to main()
* decoding is now safe to be called multiple times (bug in older versions)
* Output routine now fills stereo buffer, DAC output sums channels,
* just for demonstration that stereo output could go here
Who changed what in which revision?
User | Revision | Line number | New contents of line |
---|---|---|---|
Gruenfrosch | 0:7627c79db971 | 1 | /* |
Gruenfrosch | 0:7627c79db971 | 2 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 3 | * NXP USB Host Stack |
Gruenfrosch | 0:7627c79db971 | 4 | * |
Gruenfrosch | 0:7627c79db971 | 5 | * (c) Copyright 2008, NXP SemiConductors |
Gruenfrosch | 0:7627c79db971 | 6 | * (c) Copyright 2008, OnChip Technologies LLC |
Gruenfrosch | 0:7627c79db971 | 7 | * All Rights Reserved |
Gruenfrosch | 0:7627c79db971 | 8 | * |
Gruenfrosch | 0:7627c79db971 | 9 | * www.nxp.com |
Gruenfrosch | 0:7627c79db971 | 10 | * www.onchiptech.com |
Gruenfrosch | 0:7627c79db971 | 11 | * |
Gruenfrosch | 0:7627c79db971 | 12 | * File : usbhost_ms.h |
Gruenfrosch | 0:7627c79db971 | 13 | * Programmer(s) : Ravikanth.P |
Gruenfrosch | 0:7627c79db971 | 14 | * Version : |
Gruenfrosch | 0:7627c79db971 | 15 | * |
Gruenfrosch | 0:7627c79db971 | 16 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 17 | */ |
Gruenfrosch | 0:7627c79db971 | 18 | |
Gruenfrosch | 0:7627c79db971 | 19 | #ifndef USBHOST_MS_H |
Gruenfrosch | 0:7627c79db971 | 20 | #define USBHOST_MS_H |
Gruenfrosch | 0:7627c79db971 | 21 | |
Gruenfrosch | 0:7627c79db971 | 22 | /* |
Gruenfrosch | 0:7627c79db971 | 23 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 24 | * INCLUDE HEADER FILES |
Gruenfrosch | 0:7627c79db971 | 25 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 26 | */ |
Gruenfrosch | 0:7627c79db971 | 27 | |
Gruenfrosch | 0:7627c79db971 | 28 | #include "usbhost_inc.h" |
Gruenfrosch | 0:7627c79db971 | 29 | |
Gruenfrosch | 0:7627c79db971 | 30 | /* |
Gruenfrosch | 0:7627c79db971 | 31 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 32 | * MASS STORAGE SPECIFIC DEFINITIONS |
Gruenfrosch | 0:7627c79db971 | 33 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 34 | */ |
Gruenfrosch | 0:7627c79db971 | 35 | |
Gruenfrosch | 0:7627c79db971 | 36 | #define MS_GET_MAX_LUN_REQ 0xFE |
Gruenfrosch | 0:7627c79db971 | 37 | #define MASS_STORAGE_CLASS 0x08 |
Gruenfrosch | 0:7627c79db971 | 38 | #define MASS_STORAGE_SUBCLASS_SCSI 0x06 |
Gruenfrosch | 0:7627c79db971 | 39 | #define MASS_STORAGE_PROTOCOL_BO 0x50 |
Gruenfrosch | 0:7627c79db971 | 40 | |
Gruenfrosch | 0:7627c79db971 | 41 | #define INQUIRY_LENGTH 36 |
Gruenfrosch | 0:7627c79db971 | 42 | /* |
Gruenfrosch | 0:7627c79db971 | 43 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 44 | * SCSI SPECIFIC DEFINITIONS |
Gruenfrosch | 0:7627c79db971 | 45 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 46 | */ |
Gruenfrosch | 0:7627c79db971 | 47 | |
Gruenfrosch | 0:7627c79db971 | 48 | #define CBW_SIGNATURE 0x43425355 |
Gruenfrosch | 0:7627c79db971 | 49 | #define CSW_SIGNATURE 0x53425355 |
Gruenfrosch | 0:7627c79db971 | 50 | #define CBW_SIZE 31 |
Gruenfrosch | 0:7627c79db971 | 51 | #define CSW_SIZE 13 |
Gruenfrosch | 0:7627c79db971 | 52 | #define CSW_CMD_PASSED 0x00 |
Gruenfrosch | 0:7627c79db971 | 53 | #define SCSI_CMD_REQUEST_SENSE 0x03 |
Gruenfrosch | 0:7627c79db971 | 54 | #define SCSI_CMD_TEST_UNIT_READY 0x00 |
Gruenfrosch | 0:7627c79db971 | 55 | #define SCSI_CMD_INQUIRY 0x12 |
Gruenfrosch | 0:7627c79db971 | 56 | #define SCSI_CMD_READ_10 0x28 |
Gruenfrosch | 0:7627c79db971 | 57 | #define SCSI_CMD_READ_CAPACITY 0x25 |
Gruenfrosch | 0:7627c79db971 | 58 | #define SCSI_CMD_WRITE_10 0x2A |
Gruenfrosch | 0:7627c79db971 | 59 | |
Gruenfrosch | 0:7627c79db971 | 60 | /* |
Gruenfrosch | 0:7627c79db971 | 61 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 62 | * TYPE DEFINITIONS |
Gruenfrosch | 0:7627c79db971 | 63 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 64 | */ |
Gruenfrosch | 0:7627c79db971 | 65 | |
Gruenfrosch | 0:7627c79db971 | 66 | typedef enum ms_data_dir { |
Gruenfrosch | 0:7627c79db971 | 67 | |
Gruenfrosch | 0:7627c79db971 | 68 | MS_DATA_DIR_IN = 0x80, |
Gruenfrosch | 0:7627c79db971 | 69 | MS_DATA_DIR_OUT = 0x00, |
Gruenfrosch | 0:7627c79db971 | 70 | MS_DATA_DIR_NONE = 0x01 |
Gruenfrosch | 0:7627c79db971 | 71 | |
Gruenfrosch | 0:7627c79db971 | 72 | } MS_DATA_DIR; |
Gruenfrosch | 0:7627c79db971 | 73 | |
Gruenfrosch | 0:7627c79db971 | 74 | /* |
Gruenfrosch | 0:7627c79db971 | 75 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 76 | * FUNCTION PROTOTYPES |
Gruenfrosch | 0:7627c79db971 | 77 | ************************************************************************************************************** |
Gruenfrosch | 0:7627c79db971 | 78 | */ |
Gruenfrosch | 0:7627c79db971 | 79 | |
Gruenfrosch | 0:7627c79db971 | 80 | USB_INT32S MS_BulkRecv ( USB_INT32U block_number, |
Gruenfrosch | 0:7627c79db971 | 81 | USB_INT16U num_blocks, |
Gruenfrosch | 0:7627c79db971 | 82 | volatile USB_INT08U *user_buffer); |
Gruenfrosch | 0:7627c79db971 | 83 | |
Gruenfrosch | 0:7627c79db971 | 84 | USB_INT32S MS_BulkSend ( USB_INT32U block_number, |
Gruenfrosch | 0:7627c79db971 | 85 | USB_INT16U num_blocks, |
Gruenfrosch | 0:7627c79db971 | 86 | volatile USB_INT08U *user_buffer); |
Gruenfrosch | 0:7627c79db971 | 87 | USB_INT32S MS_ParseConfiguration(void); |
Gruenfrosch | 0:7627c79db971 | 88 | USB_INT32S MS_TestUnitReady (void); |
Gruenfrosch | 0:7627c79db971 | 89 | USB_INT32S MS_ReadCapacity (USB_INT32U *numBlks, USB_INT32U *blkSize); |
Gruenfrosch | 0:7627c79db971 | 90 | USB_INT32S MS_GetMaxLUN (void); |
Gruenfrosch | 0:7627c79db971 | 91 | USB_INT32S MS_GetSenseInfo (void); |
Gruenfrosch | 0:7627c79db971 | 92 | USB_INT32S MS_Init (USB_INT32U *blkSize, USB_INT32U *numBlks, USB_INT08U *inquiryResult); |
Gruenfrosch | 0:7627c79db971 | 93 | USB_INT32S MS_Inquire (USB_INT08U *response); |
Gruenfrosch | 0:7627c79db971 | 94 | |
Gruenfrosch | 0:7627c79db971 | 95 | void Fill_MSCommand ( USB_INT32U block_number, |
Gruenfrosch | 0:7627c79db971 | 96 | USB_INT32U block_size, |
Gruenfrosch | 0:7627c79db971 | 97 | USB_INT16U num_blocks, |
Gruenfrosch | 0:7627c79db971 | 98 | MS_DATA_DIR direction, |
Gruenfrosch | 0:7627c79db971 | 99 | USB_INT08U scsi_cmd, |
Gruenfrosch | 0:7627c79db971 | 100 | USB_INT08U scsi_cmd_len); |
Gruenfrosch | 0:7627c79db971 | 101 | #endif |