FreeCalypso > hg > fc-tourmaline
view src/cs/drivers/drv_app/ffs/board/cfgffs.c @ 275:79cfefc1e2b4
audio mode load: gracefully handle mode files of wrong AEC version
Unfortunately our change of enabling L1_NEW_AEC (which is necessary
in order to bring our Calypso ARM fw into match with the underlying
DSP reality) brings along a change in the audio mode file binary
format and file size - all those new tunable AEC parameters do need
to be stored somewhere, after all. But we already have existing
mode files in the old format, and setting AEC config to garbage when
loading old audio modes (which is what would happen without the
present change) is not an appealing proposition.
The solution implemented in the present change is as follows: the
audio mode loading code checks the file size, and if it differs
from the active version of T_AUDIO_MODE, the T_AUDIO_AEC_CFG structure
is cleared - set to the default (disabled AEC) for the compiled type
of AEC. We got lucky in that this varying T_AUDIO_AEC_CFG structure
sits at the end of T_AUDIO_MODE!
author | Mychaela Falconia <falcon@freecalypso.org> |
---|---|
date | Fri, 30 Jul 2021 02:55:48 +0000 |
parents | 4e78acac3d88 |
children |
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/****************************************************************************** * Flash File System (ffs) * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com * * FFS configuration * * $Id: cfgffs.c 1.27 Fri, 19 Dec 2003 12:00:13 +0100 tsj $ * ******************************************************************************/ #ifndef TARGET #include "ffs.cfg" #endif #include "ffs/ffs.h" #include "ffs/board/drv.h" #include "config/board.cfg" #if (BOARD == 34) #include "ffs/board/ffspcm.h" #endif #include "config/rf.cfg" #include <string.h> /****************************************************************************** * Flash Device Configuration ******************************************************************************/ #if (TARGET == 1) // The absolutely easiest way to disable FFS altogether is to set // ffs_flash_manufact = 0x99 and ffs_flash_device = 0x9999. Because this is // (as of today at least) an undefined device, FFS will NOT initialize and // every FFS function call will fail (with no side-effects). // FFS will automatically detect the flash device if both ffs_flash_manufact // and ffs_flash_device are zero. Note that this works *only* if the flash // device is mapped at address zero. Otherwise you *have* to supply // manufacturer and device IDs. // FFS can be configured to run in ram only. In this case the // 'ffs_flash_manufact' must be set to MANUFACT_RAM and an address to a // static user allocated ram buffer must be applied to the variable // 'ffs_flash_address'. In a ram configuration the 'ffs_flash_device' is an // arbitrary value that must be in sync with the 'device code' value chosen // in dev.c. #if (BOARD == 34) uint16 ffs_flash_manufact = MANUFACT_RAM; uint16 ffs_flash_device = 0x0404; // RAM int ffs_ram_image_address = FFS_BASE_ADDRESS; #else uint16 ffs_flash_manufact = 0x00; // autodetect device //uint16 ffs_flash_manufact = MANUFACT_RAM; //uint16 ffs_flash_manufact = 0x04; // Fujitsu //uint16 ffs_flash_manufact = 0xBF; // SST uint16 ffs_flash_device = 0x0000; // autodetect device //uint16 ffs_flash_device = 0x0404; // RAM //uint16 ffs_flash_device = 0xB496; // Fujitsu stacked device //uint16 ffs_flash_device = 0x2761; // SST device 1601 //uint16 ffs_flash_device = 0x2259; // 8x8kB blocks int ffs_ram_image_address = 0; // Dummy //unsigned char ffs_image[8*8*1024]; //int ffs_ram_image_address = (int) &ffs_image; #endif // BOARD == 34 #else uint16 ffs_flash_manufact = 'T'; //uint16 ffs_flash_device = 0x0F12; // Test device: 128x64kB blocks uint16 ffs_flash_device = 0x0F10; // Test device: 16x64kB blocks //uint16 ffs_flash_device = 0x080D; // Test device: 8x8kB blocks //uint16 ffs_flash_device = 0x0404; // Test device: 4x4kB blocks int ffs_ram_image_address = 0; // Dummy #endif /****************************************************************************** * ffs_is_modify_valid() ******************************************************************************/ // This is function to be implemented by the application programmer. It is // called by ffs when a read-only object is about to be modified or // removed. It should return zero if the operation should be // disallowed. Returning non-zero means go ahead. effs_t ffs_is_modifiable(const char *name) { // default is to allow any modification of read-only objects. // example of how to disallow modifying a specific object... if (strcmp("IMEI", &name[strlen(name) - 4]) == 0) return 0; return 1; }