FreeCalypso > hg > fc-tourmaline

annotate src/cs/drivers/drv_app/ffs/board/cfgffs.c @ 268:f2e52cab0a73

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abb_inth.c: check all interrupt causes, not just one The original code used if - else if - else if etc constructs, thus the first detected interrupt was the only one handled. However, Iota ITSTATREG is a clear-on-read register, thus if we only handle the first detected interrupt and skip checking the others, then the other interrupts will be lost, if more than one interrupt happened to occur in one ABB interrupt handling cycle - a form of rare race condition. Change the code to check all interrupts that were read in this cycle.
author Mychaela Falconia <falcon@freecalypso.org>
date Sun, 13 Jun 2021 18:17:53 +0000
parents 4e78acac3d88
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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1 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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2 * Flash File System (ffs)
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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3 * Idea, design and coding by Mads Meisner-Jensen, mmj@ti.com
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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4 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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5 * FFS configuration
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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6 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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7 * $Id: cfgffs.c 1.27 Fri, 19 Dec 2003 12:00:13 +0100 tsj $
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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8 *
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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9 ******************************************************************************/
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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10
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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11 #ifndef TARGET
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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12 #include "ffs.cfg"
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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13 #endif
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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14
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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15 #include "ffs/ffs.h"
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16 #include "ffs/board/drv.h"
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17
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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18 #include "config/board.cfg"
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19
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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20 #if (BOARD == 34)
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21 #include "ffs/board/ffspcm.h"
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22 #endif
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23
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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24 #include "config/rf.cfg"
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25
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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26 #include <string.h>
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27
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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28 /******************************************************************************
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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29 * Flash Device Configuration
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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30 ******************************************************************************/
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31
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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32 #if (TARGET == 1)
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33
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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34 // The absolutely easiest way to disable FFS altogether is to set
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35 // ffs_flash_manufact = 0x99 and ffs_flash_device = 0x9999. Because this is
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36 // (as of today at least) an undefined device, FFS will NOT initialize and
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37 // every FFS function call will fail (with no side-effects).
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38
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39 // FFS will automatically detect the flash device if both ffs_flash_manufact
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40 // and ffs_flash_device are zero. Note that this works *only* if the flash
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41 // device is mapped at address zero. Otherwise you *have* to supply
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42 // manufacturer and device IDs.
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43
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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44 // FFS can be configured to run in ram only. In this case the
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45 // 'ffs_flash_manufact' must be set to MANUFACT_RAM and an address to a
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46 // static user allocated ram buffer must be applied to the variable
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47 // 'ffs_flash_address'. In a ram configuration the 'ffs_flash_device' is an
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48 // arbitrary value that must be in sync with the 'device code' value chosen
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49 // in dev.c.
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50
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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51 #if (BOARD == 34)
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52 uint16 ffs_flash_manufact = MANUFACT_RAM;
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53 uint16 ffs_flash_device = 0x0404; // RAM
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54
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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55 int ffs_ram_image_address = FFS_BASE_ADDRESS;
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56
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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57 #else
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58
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59 uint16 ffs_flash_manufact = 0x00; // autodetect device
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60 //uint16 ffs_flash_manufact = MANUFACT_RAM;
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61 //uint16 ffs_flash_manufact = 0x04; // Fujitsu
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62 //uint16 ffs_flash_manufact = 0xBF; // SST
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63
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64 uint16 ffs_flash_device = 0x0000; // autodetect device
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65 //uint16 ffs_flash_device = 0x0404; // RAM
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66 //uint16 ffs_flash_device = 0xB496; // Fujitsu stacked device
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67 //uint16 ffs_flash_device = 0x2761; // SST device 1601
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68 //uint16 ffs_flash_device = 0x2259; // 8x8kB blocks
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69
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70 int ffs_ram_image_address = 0; // Dummy
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71
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72 //unsigned char ffs_image[8*8*1024];
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73 //int ffs_ram_image_address = (int) &ffs_image;
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74
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75 #endif // BOARD == 34
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76
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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77 #else
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78
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79 uint16 ffs_flash_manufact = 'T';
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80 //uint16 ffs_flash_device = 0x0F12; // Test device: 128x64kB blocks
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81 uint16 ffs_flash_device = 0x0F10; // Test device: 16x64kB blocks
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82 //uint16 ffs_flash_device = 0x080D; // Test device: 8x8kB blocks
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83 //uint16 ffs_flash_device = 0x0404; // Test device: 4x4kB blocks
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84
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85 int ffs_ram_image_address = 0; // Dummy
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86 #endif
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87
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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88
4e78acac3d88 src/{condat,cs,gpf,nucleus}: import from Selenite
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89 /******************************************************************************
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90 * ffs_is_modify_valid()
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91 ******************************************************************************/
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92
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93 // This is function to be implemented by the application programmer. It is
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94 // called by ffs when a read-only object is about to be modified or
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95 // removed. It should return zero if the operation should be
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96 // disallowed. Returning non-zero means go ahead.
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97 effs_t ffs_is_modifiable(const char *name)
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98 {
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99 // default is to allow any modification of read-only objects.
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100
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101 // example of how to disallow modifying a specific object...
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102 if (strcmp("IMEI", &name[strlen(name) - 4]) == 0)
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103 return 0;
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104
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105 return 1;
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106 }