AVR-DOS File System - Revision history

Admin at 21:02, 13 December 2014

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 &nbsp;
-&nbsp;For example by setting&nbsp;<span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Const</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;Cfilehandles&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">=</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;1&nbsp;</span>and handling of FAT- and DIR-Buffer in one SRAM buffer with 561 bytes). You will not have much SRAM left anyway for other tasks in the ATMEGA32 and you can not expect maximum performance.&nbsp;[http://avrhelp.mcselec.com/_hwstack.htm $HWSTACK],&nbsp;[http://avrhelp.mcselec.com/_swstack.htm $SWSTACK]&nbsp;and&nbsp;[http://avrhelp.mcselec.com/_framesize.htm $FRAMESIZE]&nbsp;also needs to be set carefully.
+&nbsp;For example by setting&nbsp;<span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Const</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;Cfilehandles&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">=</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;1&nbsp;</span>and handling of FAT- and DIR-Buffer in one SRAM buffer with 561 bytes). You will not have much SRAM left anyway for other tasks in the ATMEGA32 and you can not expect maximum performance.&nbsp;[[$HWSTACK]],&nbsp;[[$SWSTACK]]&nbsp;and&nbsp;[[$FRAMESIZE]]&nbsp;also needs to be set carefully.
 &nbsp;
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 <span style="color: rgb(0, 0, 255);">&nbsp;</span>
-With the above configuration and with the filename there is approximately 500 byte SRAM left in an ATMEGA32 for other tasks. Or in other words AVR-DOS needs at least&nbsp;<span style="font-weight: bold;">1500 Byte SRAM</span>&nbsp;in this case. To get detailed values compile your AVR-DOS application and open the&nbsp;<span style="font-weight: bold;">Bascom-AVR compiler Report (CTRL+W)</span>&nbsp;then you see the value with&nbsp;<span style="font-style: italic;">Space left : 508 Bytes</span>&nbsp;(then you have 508 Bytes left for other tasks).
+With the above configuration and with the filename there is approximately 500 byte SRAM left in an ATMEGA32 for other tasks. Or in other words AVR-DOS needs at least&nbsp;<span style="font-weight: bold;">1500 Byte SRAM</span>&nbsp;in this case. To get detailed values compile your AVR-DOS application and open the&nbsp;<span style="font-weight: bold;">Bascom-AVR compiler Report (CTRL+W)</span>&nbsp;then you see the value with&nbsp;<span style="font-style: italic;">Space left&nbsp;: 508 Bytes</span>&nbsp;(then you have 508 Bytes left for other tasks).
 <span style="font-size: 8pt; font-family: Courier;">&nbsp;</span>
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 <span style="font-size: 8pt; font-family: Courier;">&nbsp;</span>
-<span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Open</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;File_name&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">For</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Append</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">As</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">#</span><span style="font-size: 8pt; font-family: Courier;">100</span><br/><span style="font-size: 8pt; font-family: Courier;">&nbsp;&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Print</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">#</span><span style="font-size: 8pt; font-family: Courier;">100&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">,</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(0, 128, 128);">"This is what I log to SD-Card !"</span><br/><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Close</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">#</span><span style="font-size: 8pt; font-family: Courier;">100</span>
+<span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Open</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;File_name&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">For</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Append</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">As</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">#</span><span style="font-size: 8pt; font-family: Courier;">100</span><br/><span style="font-size: 8pt; font-family: Courier;">&nbsp;&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Print</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">#</span><span style="font-size: 8pt; font-family: Courier;">100&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">,</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(0, 128, 128);">"This is what I log to SD-Card&nbsp;!"</span><br/><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Close</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(255, 0, 0);">#</span><span style="font-size: 8pt; font-family: Courier;">100</span>
 <span style="font-size: 8pt; font-family: Courier;">&nbsp;</span>

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 <span style="font-size: 8pt; font-family: Courier; color: rgb(0, 128, 128);">&nbsp;</span>
-For SD-cards&nbsp;<span style="text-decoration: underline;">and SDHC cards</span>&nbsp;(works also with ATXMEGA !):<br/><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">$include</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(0, 128, 128);">"config_MMCSD_HC.inc"</span>
+For SD-cards&nbsp;<span style="text-decoration: underline;">and SDHC cards</span>&nbsp;(works also with ATXMEGA&nbsp;!):<br/><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">$include</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; color: rgb(0, 128, 128);">"config_MMCSD_HC.inc"</span>
 <span style="font-size: 8pt; font-family: Courier; color: rgb(0, 128, 128);">&nbsp;</span>
-. After calling the Driver interface library you need check the Error Byte which is&nbsp;<span style="font-weight: bold;">Gbdriveerror&nbsp;</span>and which is output of the function&nbsp;<span style="font-size: 12pt; font-family: 'Times New Roman';">[http://avrhelp.mcselec.com/driveinit.htm DRIVEINIT()].&nbsp;</span>If the output is 0 (no error) you can include the AVR-DOS configuration file. Otherwise you should output the error number.
+. After calling the Driver interface library you need check the Error Byte which is&nbsp;<span style="font-weight: bold;">Gbdriveerror&nbsp;</span>and which is output of the function&nbsp;<span style="font-size: 12pt; font-family: 'Times New Roman';">[[DriveInit|DRIVEINIT()]].&nbsp;</span>If the output is 0 (no error) you can include the AVR-DOS configuration file. Otherwise you should output the error number.
 <span style="font-weight: bold;">&nbsp;</span>
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 <span style="font-family: Arial;">&nbsp;</span>
-<span style="font-family: Arial;">3.&nbsp;</span>In case of&nbsp;<span style="font-weight: bold;">Gbdriveerror = 0</span>&nbsp;(No Error) you can Initialize the file system with&nbsp;[http://avrhelp.mcselec.com/initfilesystem.htm INITFILESYSTEM](1) where 1 is the partition number. For the Error Output var you need to dim a byte variable like&nbsp;<span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Dim</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;Btemp1&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">As</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Byte</span>&nbsp;wbefore you call the Initfilesystem.
+<span style="font-family: Arial;">3.&nbsp;</span>In case of&nbsp;<span style="font-weight: bold;">Gbdriveerror = 0</span>&nbsp;(No Error) you can Initialize the file system with&nbsp;[[INITFILESYSTEM]](1) where 1 is the partition number. For the Error Output var you need to dim a byte variable like&nbsp;<span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Dim</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;Btemp1&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">As</span><span style="font-size: 8pt; font-family: Courier;">&nbsp;</span><span style="font-size: 8pt; font-family: Courier; font-weight: bold; color: rgb(0, 0, 128);">Byte</span>&nbsp;wbefore you call the Initfilesystem.
 &nbsp;
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 With Btemp1 = &nbsp;0 (no error) the&nbsp;<span style="font-weight: bold;">Filesystem is successfully initialized</span>&nbsp;and you can use all other AVR-DOS functions like open, close, read and write.
-Functions like&nbsp;[http://avrhelp.mcselec.com/put.htm PUT],&nbsp;[http://avrhelp.mcselec.com/get.htm GET],&nbsp;[http://avrhelp.mcselec.com/seek.htm SEEK-Set]&nbsp;only work when the file is opened in binary mode for example:&nbsp;<span style="font-family: 'Courier New'; font-weight: bold; color: rgb(0, 0, 128);">Open</span><span style="font-family: 'Courier New';">&nbsp;</span><span style="font-family: 'Courier New'; color: rgb(0, 128, 128);">"test.bin"</span><span style="font-family: 'Courier New'; font-weight: bold; color: rgb(0, 0, 128);">For</span><span style="font-family: 'Courier New';">&nbsp;</span><span style="font-family: 'Courier New'; font-weight: bold; color: rgb(0, 0, 128);">Binary</span><span style="font-family: 'Courier New';">&nbsp;</span><span style="font-family: 'Courier New'; font-weight: bold; color: rgb(0, 0, 128);">As</span><span style="font-family: 'Courier New';">&nbsp;</span><span style="font-family: 'Courier New'; color: rgb(255, 0, 0);">#</span><span style="font-family: 'Courier New';">2</span>
+Functions like&nbsp;[[PUT]],&nbsp;[[GET]],&nbsp;[[SEEK]]-Set&nbsp;only work when the file is opened in binary mode for example:&nbsp;<span style="font-family: 'Courier New'; font-weight: bold; color: rgb(0, 0, 128);">Open</span><span style="font-family: 'Courier New';">&nbsp;</span><span style="font-family: 'Courier New'; color: rgb(0, 128, 128);">"test.bin"</span><span style="font-family: 'Courier New'; font-weight: bold; color: rgb(0, 0, 128);">For</span><span style="font-family: 'Courier New';">&nbsp;</span><span style="font-family: 'Courier New'; font-weight: bold; color: rgb(0, 0, 128);">Binary</span><span style="font-family: 'Courier New';">&nbsp;</span><span style="font-family: 'Courier New'; font-weight: bold; color: rgb(0, 0, 128);">As</span><span style="font-family: 'Courier New';">&nbsp;</span><span style="font-family: 'Courier New'; color: rgb(255, 0, 0);">#</span><span style="font-family: 'Courier New';">2</span>
 &nbsp;
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 &nbsp;
-When you want change (ejecting &nbsp;from the card socket) the SD-card (during the AVR is running other code than AVR-DOS) you need to call&nbsp;<span style="font-size: 12pt; font-family: 'Times New Roman';">[http://avrhelp.mcselec.com/driveinit.htm DRIVEINIT()]&nbsp;and&nbsp;</span>[http://avrhelp.mcselec.com/initfilesystem.htm INITFILESYSTEM](1) again in order to reset the AVR-Hardware (PORTs, PINs) attached to the Drive,reset the Drive again and initialize the file system again.
+When you want change (ejecting &nbsp;from the card socket) the SD-card (during the AVR is running other code than AVR-DOS) you need to call&nbsp;<span style="font-size: 12pt; font-family: 'Times New Roman';">[[DriveInit|DRIVEINIT()]]&nbsp;and&nbsp;</span>[[INITFILESYSTEM]](1) again in order to reset the AVR-Hardware (PORTs, PINs) attached to the Drive,reset the Drive again and initialize the file system again.
 <span style="font-family: Arial;">&nbsp;</span>

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 |- valign="baseline" style="vertical-align: baseline;"
 | width="13" | <span style="font-size: 10pt; font-family: 'Arial Unicode MS', 'Lucida Sans Unicode', Arial;">•</span>
-| Interface functions (drivers) for&nbsp;[http://avrhelp.mcselec.com/compact_flashcard_driver.htm Compact Flash], hard disk, SD-Cards, SDHC (also microSD or microSDHC). See SD and SDHC pinout below.
+| Interface functions (drivers) for&nbsp;[[Compact_FlashCard_Driver|Compact Flash]], hard disk, SD-Cards, SDHC (also microSD or microSDHC). See SD and SDHC pinout below.
 |}
 </div>
 &nbsp;
-See also:&nbsp;[http://avrhelp.mcselec.com/new_cf_card_drivers.htm New CF-Card Drivers],&nbsp;[http://avrhelp.mcselec.com/elektor_cf_interface.htm Elektor CF-Interface]
+See also:&nbsp;[[New_CF-Card_Drivers|New CF-Card Drivers]],&nbsp;[[Elektor_CF-Interface|Elektor CF-Interface]]
 &nbsp;
@@ Line 183: / Line 183: @@
 &nbsp;
-http://avrhelp.mcselec.com/notice.jpgNote that it is not permitted to use the AVR-DOS file system for commercial applications without the purchase of a license. A license comes with the ASM source. You can buy a user license that is suited for most private users.
+[[File:Notice.jpg]]&nbsp;Note that it is not permitted to use the AVR-DOS file system for commercial applications without the purchase of a license. A license comes with the ASM source. You can buy a user license that is suited for most private users.
 When you develop a commercial product with AVR-DOS you need the company license. The ASM source is shipped with both licenses.

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 <span style="font-weight: bold;">Code</span>
-| valign="top" width="100%" bgcolor="#ffff99" style="width: 452px; background-color: rgb(255, 255, 153); border: 1px solid rgb(0, 0, 0);" |
+| valign="top" width="60%" bgcolor="#ffff99" style="width: 452px; background-color: rgb(255, 255, 153); border: 1px solid rgb(0, 0, 0);" |
 <span style="font-weight: bold;">Compiler – Alias</span>

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 <span class="f_Header">&nbsp;</span>
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