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git-svn-id: svn://svn.savannah.nongnu.org/avrdude/trunk@111 81a1dc3b-b13d-400b-aceb-764788c761c2
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Brian S. Dean
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@ -89,10 +89,21 @@ as a standalone assembler, or
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.Xr avr-objcopy 1
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.Xr avr-objcopy 1
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for the final stage of the GNU toolchain for the AVR microcontroller.
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for the final stage of the GNU toolchain for the AVR microcontroller.
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.Pp
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.Pp
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Both, EEPROM cells and the flash ROM can be programmed (separately).
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.Nm Avrprog
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It is also possible to read the chip (provided it has not been
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can program the EEPROM and flash ROM memory cells of supported AVR
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code-protected previously, of course) and store the data in a file.
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parts. Where supported by the serial instruction set, fuse bits and
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Finally, a ``terminal'' mode is available that allows one to
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lock bits can be programmed as well. These are implemented within
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.Nm
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as seperate memory types and can be programmed using data from a file
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(see the
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.Fl m
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option) or from terminal mode (see the
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.Ar dump
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and
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.Ar write
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commands). It is also possible to read the chip (provided it has not
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been code-protected previously, of course) and store the data in a
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file. Finally, a ``terminal'' mode is available that allows one to
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interactively communicate with the MCU, and to display or program
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interactively communicate with the MCU, and to display or program
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individual memory cells.
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individual memory cells.
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.Ss Options
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.Ss Options
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@ -120,7 +131,10 @@ ll.
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4434 AT90S4434
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4434 AT90S4434
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8515 AT90S8515
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8515 AT90S8515
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8535 AT90S8535
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8535 AT90S8535
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103 ATMEGA103
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m163 ATMEGA163
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m103 ATMEGA103
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m16 ATMEGA16
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m8 ATMEGA8
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.TE
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.TE
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.It Fl c Ar programmer-id
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.It Fl c Ar programmer-id
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Use the pin configuration specified by the argument. Pin
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Use the pin configuration specified by the argument. Pin
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@ -242,11 +256,17 @@ to use
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as the input.
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as the input.
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.It Fl m Ar memtype
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.It Fl m Ar memtype
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Specifies which program area of the MCU to read or write; allowable
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Specifies which program area of the MCU to read or write; allowable
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values are
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values depend on the MCU being programmed, but most support at least
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.Em eeprom
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.Em eeprom
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for the EEPROM, or
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for the EEPROM, and
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.Em flash
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.Em flash
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for the flash ROM, which is also the default.
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for the flash ROM. Use the
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.Fl v
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option on the command line or the
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.Ar part
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command from terminal mode to display all the memory types supported
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by a particular device. The default is
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.Em flash .
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.It Fl n
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.It Fl n
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No-write - disables actually writing data to the MCU (useful for debugging
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No-write - disables actually writing data to the MCU (useful for debugging
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.Nm avrprog
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.Nm avrprog
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@ -281,7 +301,7 @@ a command history using
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so previously entered command lines can be recalled and edited. The
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so previously entered command lines can be recalled and edited. The
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following commands are currently implemented:
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following commands are currently implemented:
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.Bl -tag -offset indent -width indent
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.Bl -tag -offset indent -width indent
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.It Ar dump eeprom\&|flash addr nbytes
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.It Ar dump memtype addr nbytes
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Read
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Read
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.Ar nbytes
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.Ar nbytes
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bytes from the specified memory area, and display them in the usual
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bytes from the specified memory area, and display them in the usual
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@ -292,7 +312,7 @@ Continue dumping the memory contents for another
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where the previous
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where the previous
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.Ar dump
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.Ar dump
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command left off.
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command left off.
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.It Ar write eeprom\&|flash addr byte1 ... byteN
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.It Ar write memtype addr byte1 ... byteN
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Manually program the respective memory cells, starting at address
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Manually program the respective memory cells, starting at address
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.Ar addr ,
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.Ar addr ,
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using the values
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using the values
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@ -300,9 +320,16 @@ using the values
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through
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through
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.Ar byteN .
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.Ar byteN .
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This feature is not implemented for bank-addressed memories such as
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This feature is not implemented for bank-addressed memories such as
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flash memory of ATMega devices.
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the flash memory of ATMega devices.
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.It Ar erase
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.It Ar erase
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Perform a chip erase.
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Perform a chip erase.
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.It Ar send b1 b2 b3 b4
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Send raw instruction codes to the AVR device. If you need access to a
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feature of an AVR part that is not directly supported by
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.Nm ,
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this command allows you to use it, even though
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.Nm
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does not implement the command.
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.It Ar sig
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.It Ar sig
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Display the device signature bytes.
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Display the device signature bytes.
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.It Ar part
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.It Ar part
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@ -347,7 +374,6 @@ Schematic of programming hardware
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.\" .Sh EXAMPLES
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.\" .Sh EXAMPLES
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.\" .Sh DIAGNOSTICS
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.\" .Sh DIAGNOSTICS
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.Sh SEE ALSO
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.Sh SEE ALSO
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.Xr asl 1 ,
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.Xr avr-objcopy 1 ,
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.Xr avr-objcopy 1 ,
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.Xr ppi 4 ,
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.Xr ppi 4 ,
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.Xr readline 3
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.Xr readline 3
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