| 0,0 → 1,97 |
|---|
| #!/bin/sh |
| prg="adude" |
| # |
| help() |
| { |
| echo "prg_fusebit_uc -- read and write fuse bits of the atmega8" |
| echo "" |
| echo "Usage: prg_fusebit_uc [-hu] -r|-w Freq" |
| echo "" |
| echo "OPTIONS: -h this help" |
| echo " -r read fuse bytes" |
| echo " -u use uisp instead of avrdude" |
| echo " avrdude can automatically detect dapa or avrusb500." |
| echo " uisp can only be used with the parallel port dapa." |
| echo " -w write fuse bytes such that a given Freq is used" |
| echo " a frequency of 0 means external crystal. Possible" |
| echo " values are 0,1,2,4,8" |
| echo "" |
| echo "EXAMPLE: program the fuses to 4MHz internal" |
| echo " prg_fusebit_uc -w 4" |
| echo "" |
| echo "Warning: you can not undo the setting \"external crystal\" unless" |
| echo " you have a crystal that works." |
| echo "This script can be easily adapted to different programmer types" |
| exit 0 |
| } |
| while [ -n "$1" ]; do |
| case $1 in |
| -h) help;shift 1;; |
| -u) prg="uisp";shift 1;; |
| -r) opt_r="1";shift 1;; |
| -w) opt_w="1";freq="$2";shift 2;; |
| -*) echo "error: no such option $1. -h for help";exit 1;; |
| *) break;; |
| esac |
| done |
| |
| if [ -z "$opt_r" -a -z "$opt_w" ];then |
| # one of those options is mandatory |
| help |
| fi |
| |
| hf=0xd9 |
| if [ "$opt_w" = "1" ]; then |
| case $freq in |
| 0) lf=0xee;echo "Make sure you have a crystal otherwise you can not change this!";sleep 2;; |
| 1) lf=0xe1;; |
| 2) lf=0xe2;; |
| 4) lf=0xe3;; |
| 8) lf=0xe4;; |
| *) echo "error: no such frequency, -h for help";exit 1;; |
| esac |
| fi |
| |
| |
| if [ "$prg" = "uisp" ]; then |
| if [ "$opt_r" = "1" ];then |
| set -x |
| uisp -dlpt=/dev/parport0 -dprog=dapa --rd_fuses |
| set +x |
| echo "Explanation: Fuse Low Byte: 0xe1 (1MHz intern), 0xe3 (4MHz intern), " |
| echo " 0xe4 (8MHz intern)" |
| echo " Fuse High Byte should be 0xd9" |
| exit 0 |
| fi |
| if [ "$opt_w" = "1" ]; then |
| set -x |
| uisp -dlpt=/dev/parport0 -dprog=dapa --wr_fuse_l=$lf |
| uisp -dlpt=/dev/parport0 -dprog=dapa --wr_fuse_h=$hf |
| set +x |
| exit 0 |
| fi |
| |
| fi |
| if [ "$prg" = "adude" ]; then |
| if grep "Vendor=0403 ProdID=6001" /proc/bus/usb/devices > /dev/null ; then |
| prg="avrusb500" |
| else |
| prg="dapa" |
| fi |
| if [ "$opt_r" = "1" ];then |
| set -x |
| avrdude -p m8 -c $prg -v -q |
| set +x |
| echo "Explanation: Fuse Low Byte: 0xe1 (1MHz intern), 0xe3 (4MHz intern), " |
| echo " 0xe4 (8MHz intern)" |
| echo " Fuse High Byte should be 0xd9" |
| exit 0 |
| fi |
| if [ "$opt_w" = "1" ]; then |
| set -x |
| avrdude -p m8 -c $prg -u -v -U lfuse:w:$lf:m |
| avrdude -p m8 -c $prg -u -v -U hfuse:w:$hf:m |
| set +x |
| exit 0 |
| fi |
| fi |
| Property changes: |
|---|
| Added: svn:executable |
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| +* |
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| \ No newline at end of property |
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