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1 //========================================================================== |
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2 // |
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3 // fc_test.c |
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4 // |
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5 // Test/demonstration of using RedBoot 'fconfig' from eCos |
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6 // |
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7 //========================================================================== |
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8 //####ECOSGPLCOPYRIGHTBEGIN#### |
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9 // ------------------------------------------- |
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10 // This file is part of eCos, the Embedded Configurable Operating System. |
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11 // Copyright (C) 2003, 2004 Gary Thomas |
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12 // |
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13 // eCos is free software; you can redistribute it and/or modify it under |
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14 // the terms of the GNU General Public License as published by the Free |
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15 // Software Foundation; either version 2 or (at your option) any later version. |
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16 // |
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17 // eCos is distributed in the hope that it will be useful, but WITHOUT ANY |
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18 // WARRANTY; without even the implied warranty of MERCHANTABILITY or |
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19 // FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License |
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20 // for more details. |
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21 // |
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22 // You should have received a copy of the GNU General Public License along |
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23 // with eCos; if not, write to the Free Software Foundation, Inc., |
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24 // 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA. |
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25 // |
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26 // As a special exception, if other files instantiate templates or use macros |
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27 // or inline functions from this file, or you compile this file and link it |
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28 // with other works to produce a work based on this file, this file does not |
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29 // by itself cause the resulting work to be covered by the GNU General Public |
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30 // License. However the source code for this file must still be made available |
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31 // in accordance with section (3) of the GNU General Public License. |
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32 // |
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33 // This exception does not invalidate any other reasons why a work based on |
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34 // this file might be covered by the GNU General Public License. |
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35 // |
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36 // Alternative licenses for eCos may be arranged by contacting Red Hat, Inc. |
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37 // at http://sources.redhat.com/ecos/ecos-license/ |
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38 // ------------------------------------------- |
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39 //####ECOSGPLCOPYRIGHTEND#### |
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40 //========================================================================== |
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41 //#####DESCRIPTIONBEGIN#### |
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42 // |
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43 // Author(s): gthomas |
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44 // Contributors: gthomas |
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45 // Date: 2003-12-22 |
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46 // Purpose: |
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47 // Description: |
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48 // |
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49 //####DESCRIPTIONEND#### |
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50 // |
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51 //========================================================================== |
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52 |
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53 // |
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54 // Demonstration of how to use virtual vector interfaces to access/modify |
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55 // persistent data stored by 'fconfig' command in RedBoot. |
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56 // |
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57 // Note: there is currently no support for adding new keys using this |
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58 // mechanism. Only existing key/value pairs may be updated. |
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59 // |
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60 #include <pkgconf/hal.h> |
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61 #include <cyg/hal/hal_if.h> |
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62 #include <cyg/infra/diag.h> |
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63 |
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64 void |
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65 main(void) |
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66 { |
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67 struct cyg_fconfig fc; |
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68 char key[64]; |
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69 int port; |
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70 |
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71 diag_printf("fconfig test started\n"); |
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72 fc.offset = 0; |
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73 fc.key = key; |
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74 fc.keylen = sizeof(key); |
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75 while (CYGACC_CALL_IF_FLASH_CFG_OP2(CYGNUM_CALL_IF_FLASH_CFG_NEXT, &fc)) { |
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76 diag_printf(" Offset: %d, key: '%s', type: %d\n", fc.offset, fc.key, fc.type); |
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77 fc.keylen = sizeof(key); |
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78 } |
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79 // Try and update a data value |
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80 fc.key = "gdb_port"; |
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81 fc.val = &port; |
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82 fc.type = CYGNUM_FLASH_CFG_TYPE_CONFIG_INT; |
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83 if (CYGACC_CALL_IF_FLASH_CFG_OP2(CYGNUM_CALL_IF_FLASH_CFG_GET, &fc)) { |
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84 diag_printf("gdb_port = %d\n", port); |
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85 port++; |
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86 if (CYGACC_CALL_IF_FLASH_CFG_OP2(CYGNUM_CALL_IF_FLASH_CFG_SET, &fc)) { |
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87 if (CYGACC_CALL_IF_FLASH_CFG_OP2(CYGNUM_CALL_IF_FLASH_CFG_GET, &fc)) { |
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88 diag_printf("now = %d\n", port); |
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89 } else { |
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90 diag_printf("Can't re-fetch 'gdb_port'\n"); |
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91 exit(1); |
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92 } |
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93 port--; |
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94 if (!CYGACC_CALL_IF_FLASH_CFG_OP2(CYGNUM_CALL_IF_FLASH_CFG_SET, &fc)) { |
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95 diag_printf("Can't update 'gdb_port'\n"); |
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96 exit(1); |
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97 } |
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98 } else { |
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99 diag_printf("Can't update 'gdb_port'\n"); |
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100 exit(1); |
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101 } |
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102 } else { |
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103 diag_printf("Fetch 'gdb_port' failed\n"); |
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104 exit(1); |
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105 } |
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106 diag_printf("... done\n"); |
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107 exit(1); |
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108 } |
