diff options
Diffstat (limited to 'arm-wt-22k/host_src/eas_hostmm.c')
-rw-r--r-- | arm-wt-22k/host_src/eas_hostmm.c | 687 |
1 files changed, 0 insertions, 687 deletions
diff --git a/arm-wt-22k/host_src/eas_hostmm.c b/arm-wt-22k/host_src/eas_hostmm.c deleted file mode 100644 index 132239b..0000000 --- a/arm-wt-22k/host_src/eas_hostmm.c +++ /dev/null @@ -1,687 +0,0 @@ -/*---------------------------------------------------------------------------- - * - * File: - * eas_hostmm.c - * - * Contents and purpose: - * This file contains the host wrapper functions for stdio, stdlib, etc. - * This is a sample version that reads from a filedescriptor. - * The file locator (EAS_FILE_LOCATOR) handle passed to - * HWOpenFile is the same one that is passed to EAS_OpenFile. - * - * Modify this file to suit the needs of your particular system. - * - * EAS_MAX_FILE_HANDLES sets the maximum number of MIDI streams within - * a MIDI type 1 file that can be played. - * - * EAS_HW_FILE is a structure to support the file I/O functions. It - * comprises the file descriptor, the file read pointer, and - * the dup flag, which when set, indicates that the file handle has - * been duplicated, and offset and length within the file. - * - * Copyright 2005 Sonic Network Inc. - - * Licensed under the Apache License, Version 2.0 (the "License"); - * you may not use this file except in compliance with the License. - * You may obtain a copy of the License at - * - * http://www.apache.org/licenses/LICENSE-2.0 - * - * Unless required by applicable law or agreed to in writing, software - * distributed under the License is distributed on an "AS IS" BASIS, - * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. - * See the License for the specific language governing permissions and - * limitations under the License. - * - *---------------------------------------------------------------------------- - * Revision Control: - * $Revision: 795 $ - * $Date: 2007-08-01 00:14:45 -0700 (Wed, 01 Aug 2007) $ - *---------------------------------------------------------------------------- -*/ - -#ifdef _lint -#include "lint_stdlib.h" -#else -#include <stdio.h> -#include <stdlib.h> -#include <string.h> -#include <unistd.h> -#include <sys/types.h> -#include <sys/stat.h> -#include <fcntl.h> -#include <limits.h> -#include <sys/mman.h> -#include <errno.h> -#include <signal.h> -#define LOG_TAG "Sonivox" -#include <utils/Log.h> -#include <media/MediaPlayerInterface.h> -#endif - -#include "eas_host.h" - -/* Only for debugging LED, vibrate, and backlight functions */ -#include "eas_report.h" - -/* this module requires dynamic memory support */ -#ifdef _STATIC_MEMORY -#error "eas_hostmm.c requires the dynamic memory model!\n" -#endif - -#ifndef EAS_MAX_FILE_HANDLES -#define EAS_MAX_FILE_HANDLES 32 -#endif - -/* - * this structure and the related function are here - * to support the ability to create duplicate handles - * and buffering it in memory. If your system uses - * in-memory resources, you can eliminate the calls - * to malloc and free, the dup flag, and simply track - * the file size and read position. - */ -typedef struct eas_hw_file_tag -{ - EAS_I32 fileSize; - EAS_I32 filePos; - EAS_BOOL dup; - int fd; - EAS_I32 offset; -} EAS_HW_FILE; - -typedef struct eas_hw_inst_data_tag -{ - EAS_HW_FILE files[EAS_MAX_FILE_HANDLES]; -} EAS_HW_INST_DATA; - -pthread_key_t EAS_sigbuskey; - -/*---------------------------------------------------------------------------- - * EAS_HWInit - * - * Initialize host wrapper interface - * - *---------------------------------------------------------------------------- -*/ -EAS_RESULT EAS_HWInit (EAS_HW_DATA_HANDLE *pHWInstData) -{ - EAS_HW_FILE *file; - int i; - - /* need to track file opens for duplicate handles */ - *pHWInstData = malloc(sizeof(EAS_HW_INST_DATA)); - if (!(*pHWInstData)) - return EAS_ERROR_MALLOC_FAILED; - - EAS_HWMemSet(*pHWInstData, 0, sizeof(EAS_HW_INST_DATA)); - - file = (*pHWInstData)->files; - for (i = 0; i < EAS_MAX_FILE_HANDLES; i++) - { - file->fd = -1; - file++; - } - - - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * EAS_HWShutdown - * - * Shut down host wrapper interface - * - *---------------------------------------------------------------------------- -*/ -EAS_RESULT EAS_HWShutdown (EAS_HW_DATA_HANDLE hwInstData) -{ - - free(hwInstData); - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWMalloc - * - * Allocates dynamic memory - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -void *EAS_HWMalloc (EAS_HW_DATA_HANDLE hwInstData, EAS_I32 size) -{ - /* Since this whole library loves signed sizes, let's not let - * negative or 0 values through */ - if (size <= 0) - return NULL; - return malloc((size_t) size); -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWFree - * - * Frees dynamic memory - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -void EAS_HWFree (EAS_HW_DATA_HANDLE hwInstData, void *p) -{ - free(p); -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWMemCpy - * - * Copy memory wrapper - * - *---------------------------------------------------------------------------- -*/ -void *EAS_HWMemCpy (void *dest, const void *src, EAS_I32 amount) -{ - if (amount < 0) { - EAS_ReportEx(_EAS_SEVERITY_NOFILTER, 0x1a54b6e8, 0x00000004 , amount); - exit(255); - } - return memcpy(dest, src, (size_t) amount); -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWMemSet - * - * Set memory wrapper - * - *---------------------------------------------------------------------------- -*/ -void *EAS_HWMemSet (void *dest, int val, EAS_I32 amount) -{ - if (amount < 0) { - EAS_ReportEx(_EAS_SEVERITY_NOFILTER, 0x1a54b6e8, 0x00000005 , amount); - exit(255); - } - return memset(dest, val, (size_t) amount); -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWMemCmp - * - * Compare memory wrapper - * - *---------------------------------------------------------------------------- -*/ -EAS_I32 EAS_HWMemCmp (const void *s1, const void *s2, EAS_I32 amount) -{ - if (amount < 0) { - EAS_ReportEx(_EAS_SEVERITY_NOFILTER, 0x1a54b6e8, 0x00000006 , amount); - exit(255); - } - return (EAS_I32) memcmp(s1, s2, (size_t) amount); -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWOpenFile - * - * Open a file for read or write - * - *---------------------------------------------------------------------------- -*/ -EAS_RESULT EAS_HWOpenFile (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_LOCATOR locator, EAS_FILE_HANDLE *pFile, EAS_FILE_MODE mode) -{ - EAS_HW_FILE *file; - int fd; - int i, temp; - - /* set return value to NULL */ - *pFile = NULL; - - /* only support read mode at this time */ - if (mode != EAS_FILE_READ) - return EAS_ERROR_INVALID_FILE_MODE; - - /* find an empty entry in the file table */ - file = hwInstData->files; - for (i = 0; i < EAS_MAX_FILE_HANDLES; i++) - { - /* is this slot being used? */ - if (file->fd < 0) - { - if (locator->path) { - /* open the file */ - if ((fd = open(locator->path, O_RDONLY)) < 0) { - return EAS_ERROR_FILE_OPEN_FAILED; - } - } else { - /* else file is already open */ - fd = dup(locator->fd); - } - - /* determine the file size */ - if (locator->length == 0) { - if (lseek(fd, 0, SEEK_END) < 0) { - close(fd); - return EAS_ERROR_FILE_LENGTH; - } - if ((file->fileSize = lseek(fd, 0, SEEK_CUR)) == -1L) { - close(fd); - return EAS_ERROR_FILE_LENGTH; - } - } - - // file size was passed in - else { - file->fileSize = (EAS_I32) locator->length; - } - - file->fd = fd; - file->offset = locator->offset; - - /* initialize some values */ - file->filePos = 0; - file->dup = EAS_FALSE; - - *pFile = file; - return EAS_SUCCESS; - } - file++; - } - - /* too many open files */ - return EAS_ERROR_MAX_FILES_OPEN; -} - - -/*---------------------------------------------------------------------------- - * - * EAS_HWReadFile - * - * Read data from a file - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWReadFile (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, void *pBuffer, EAS_I32 n, EAS_I32 *pBytesRead) -{ - EAS_I32 count; - - /* make sure we have a valid handle */ - if (file->fd < 0) - return EAS_ERROR_INVALID_HANDLE; - - if (n < 0) - return EAS_EOF; - - /* calculate the bytes to read */ - count = file->fileSize - file->filePos; - if (n < count) - count = n; - if (count < 0) - return EAS_EOF; - - /* copy the data to the requested location, and advance the pointer */ - if (count) { - lseek(file->fd, file->filePos + file->offset, SEEK_SET); - count = read(file->fd, pBuffer, count); - } - file->filePos += count; - *pBytesRead = count; - - /* were n bytes read? */ - if (count!= n) - return EAS_EOF; - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWGetByte - * - * Read a byte from a file - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWGetByte (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, void *p) -{ - EAS_I32 numread; - return EAS_HWReadFile(hwInstData, file, p, 1, &numread); -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWGetWord - * - * Read a 16 bit word from a file - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWGetWord (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, void *p, EAS_BOOL msbFirst) -{ - EAS_RESULT result; - EAS_U8 c1, c2; - - /* read 2 bytes from the file */ - if ((result = EAS_HWGetByte(hwInstData, file, &c1)) != EAS_SUCCESS) - return result; - if ((result = EAS_HWGetByte(hwInstData, file, &c2)) != EAS_SUCCESS) - return result; - - /* order them as requested */ - if (msbFirst) - *((EAS_U16*) p) = ((EAS_U16) c1 << 8) | c2; - else - *((EAS_U16*) p) = ((EAS_U16) c2 << 8) | c1; - - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWGetDWord - * - * Returns the current location in the file - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWGetDWord (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, void *p, EAS_BOOL msbFirst) -{ - EAS_RESULT result; - EAS_U8 c1, c2,c3,c4; - - /* read 4 bytes from the file */ - if ((result = EAS_HWGetByte(hwInstData, file, &c1)) != EAS_SUCCESS) - return result; - if ((result = EAS_HWGetByte(hwInstData, file, &c2)) != EAS_SUCCESS) - return result; - if ((result = EAS_HWGetByte(hwInstData, file, &c3)) != EAS_SUCCESS) - return result; - if ((result = EAS_HWGetByte(hwInstData, file, &c4)) != EAS_SUCCESS) - return result; - - /* order them as requested */ - if (msbFirst) - *((EAS_U32*) p) = ((EAS_U32) c1 << 24) | ((EAS_U32) c2 << 16) | ((EAS_U32) c3 << 8) | c4; - else - *((EAS_U32*) p)= ((EAS_U32) c4 << 24) | ((EAS_U32) c3 << 16) | ((EAS_U32) c2 << 8) | c1; - - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWFilePos - * - * Returns the current location in the file - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWFilePos (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, EAS_I32 *pPosition) -{ - - /* make sure we have a valid handle */ - if (file->fd < 0) - return EAS_ERROR_INVALID_HANDLE; - - *pPosition = file->filePos; - return EAS_SUCCESS; -} /* end EAS_HWFilePos */ - -/*---------------------------------------------------------------------------- - * - * EAS_HWFileSeek - * - * Seek to a specific location in the file - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWFileSeek (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, EAS_I32 position) -{ - - /* make sure we have a valid handle */ - if (file->fd < 0) - return EAS_ERROR_INVALID_HANDLE; - - /* validate new position */ - if ((position < 0) || (position > file->fileSize)) - return EAS_ERROR_FILE_SEEK; - - /* save new position */ - file->filePos = position; - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWFileSeekOfs - * - * Seek forward or back relative to the current position - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWFileSeekOfs (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, EAS_I32 position) -{ - - /* make sure we have a valid handle */ - if (file->fd < 0) - return EAS_ERROR_INVALID_HANDLE; - - /* determine the file position */ - position += file->filePos; - if ((position < 0) || (position > file->fileSize)) - return EAS_ERROR_FILE_SEEK; - - /* save new position */ - file->filePos = position; - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWFileLength - * - * Return the file length - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWFileLength (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, EAS_I32 *pLength) -{ - - /* make sure we have a valid handle */ - if (file->fd < 0) - return EAS_ERROR_INVALID_HANDLE; - - *pLength = file->fileSize; - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWDupHandle - * - * Duplicate a file handle - * - *---------------------------------------------------------------------------- -*/ -EAS_RESULT EAS_HWDupHandle (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file, EAS_FILE_HANDLE *pDupFile) -{ - EAS_HW_FILE *dupFile; - int i; - - /* make sure we have a valid handle */ - if (file->fd < 0) - return EAS_ERROR_INVALID_HANDLE; - - /* find an empty entry in the file table */ - dupFile = hwInstData->files; - for (i = 0; i < EAS_MAX_FILE_HANDLES; i++) - { - /* is this slot being used? */ - if (dupFile->fd < 0) - { - /* copy info from the handle to be duplicated */ - dupFile->filePos = file->filePos; - dupFile->fileSize = file->fileSize; - dupFile->fd = file->fd; - dupFile->offset = file->offset; - - /* set the duplicate handle flag */ - dupFile->dup = file->dup = EAS_TRUE; - - *pDupFile = dupFile; - return EAS_SUCCESS; - } - dupFile++; - } - - /* too many open files */ - return EAS_ERROR_MAX_FILES_OPEN; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWClose - * - * Wrapper for fclose function - * - *---------------------------------------------------------------------------- -*/ -EAS_RESULT EAS_HWCloseFile (EAS_HW_DATA_HANDLE hwInstData, EAS_FILE_HANDLE file1) -{ - EAS_HW_FILE *file2,*dupFile; - int i; - - - /* make sure we have a valid handle */ - if (file1->fd < 0) - return EAS_ERROR_INVALID_HANDLE; - - /* check for duplicate handle */ - if (file1->dup) - { - dupFile = NULL; - file2 = hwInstData->files; - for (i = 0; i < EAS_MAX_FILE_HANDLES; i++) - { - /* check for duplicate */ - if ((file1 != file2) && (file2->fd == file1->fd)) - { - /* is there more than one duplicate? */ - if (dupFile != NULL) - { - /* clear this entry and return */ - file1->fd = -1; - return EAS_SUCCESS; - } - - /* this is the first duplicate found */ - else - dupFile = file2; - } - file2++; - } - - /* there is only one duplicate, clear the dup flag */ - if (dupFile) - dupFile->dup = EAS_FALSE; - else - /* if we get here, there's a serious problem */ - return EAS_ERROR_HANDLE_INTEGRITY; - - /* clear this entry and return */ - file1->fd = -1; - return EAS_SUCCESS; - } - - /* no duplicates - close the file */ - close(file1->fd); - /* clear this entry and return */ - file1->fd = -1; - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWVibrate - * - * Turn on/off vibrate function - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWVibrate (EAS_HW_DATA_HANDLE hwInstData, EAS_BOOL state) -{ - EAS_ReportEx(_EAS_SEVERITY_NOFILTER, 0x1a54b6e8, 0x00000001 , state); - return EAS_SUCCESS; -} /* end EAS_HWVibrate */ - -/*---------------------------------------------------------------------------- - * - * EAS_HWLED - * - * Turn on/off LED - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWLED (EAS_HW_DATA_HANDLE hwInstData, EAS_BOOL state) -{ - EAS_ReportEx(_EAS_SEVERITY_NOFILTER, 0x1a54b6e8, 0x00000002 , state); - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWBackLight - * - * Turn on/off backlight - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_RESULT EAS_HWBackLight (EAS_HW_DATA_HANDLE hwInstData, EAS_BOOL state) -{ - EAS_ReportEx(_EAS_SEVERITY_NOFILTER, 0x1a54b6e8, 0x00000003 , state); - return EAS_SUCCESS; -} - -/*---------------------------------------------------------------------------- - * - * EAS_HWYield - * - * This function is called periodically by the EAS library to give the - * host an opportunity to allow other tasks to run. There are two ways to - * use this call: - * - * If you have a multi-tasking OS, you can call the yield function in the - * OS to allow other tasks to run. In this case, return EAS_FALSE to tell - * the EAS library to continue processing when control returns from this - * function. - * - * If tasks run in a single thread by sequential function calls (sometimes - * call a "commutator loop"), return EAS_TRUE to cause the EAS Library to - * return to the caller. Be sure to check the number of bytes rendered - * before passing the audio buffer to the codec - it may not be filled. - * The next call to EAS_Render will continue processing until the buffer - * has been filled. - * - *---------------------------------------------------------------------------- -*/ -/*lint -esym(715, hwInstData) hwInstData available for customer use */ -EAS_BOOL EAS_HWYield (EAS_HW_DATA_HANDLE hwInstData) -{ - /* put your code here */ - return EAS_FALSE; -} - |