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ATPROGRAM_EXE='/c/Program Files (x86)/Atmel/Studio/7.0/atbackend/atprogram.exe'
ATPROGRAM_OPTS='-t jtagice3 -i jtag -d at32uc3c2512c'
MCU_FLASH_BASE_ADDR=2147483648 # = 0x80000000
# Read FLASH memory of the MCU
#
# Usage: atprogram_read_flash OUTPUT_FILE FIRST_PAGE PAGE_COUNT
# OUTPUT_FILE binary output file that will contain data from the FLASH
# FIRST_PAGE first page to be read
# PAGE_COUNT page count to be read from the FIRST_PAGE (including)
atprogram_read_flash()
{
if [ $# -ne 3 ]; then
echo 'atprogram_read_flash: ERROR: arguments' >&2
return 1
fi
start_address=$(( $MCU_FLASH_BASE_ADDR + ( $2 * 512 ) ))
bytes_to_read=$(( $3 * 512 ))
"$ATPROGRAM_EXE" $ATPROGRAM_OPTS read --format bin -f "$(cygpath -w "$1")" \
-o $start_address -s $bytes_to_read 1>/dev/null
}
atprogram_write_bootloader()
{
if [ $# -ne 1 ]; then
echo 'atprogram_write_bootloader: ERROR: arguments' >&2
return 1
fi
"$ATPROGRAM_EXE" $ATPROGRAM_OPTS program --chiperase --verify --format hex \
--file "$(cygpath -w "$1")" 1>/dev/null 2>&1
}
atprogram_protect_bootloader()
{
if [ $# -ne 0 ]; then
echo 'atprogram_protect_bootloader: ERROR: arguments' >&2
return 1
fi
{
# Set bootloader area protection
"$ATPROGRAM_EXE" $ATPROGRAM_OPTS write -fs --values FFF5FFFF
[ $? -ne 0 ] && return 1
# Write must fail
"$ATPROGRAM_EXE" $ATPROGRAM_OPTS write -o $MCU_FLASH_BASE_ADDR --values 01020304
[ $? -eq 0 ] && return 1 || return 0
} 1>/dev/null 2>&1
}
atprogram_set_security_bit()
{
if [ $# -ne 0 ]; then
echo 'atprogram_set_security_bit: ERROR: arguments' >&2
return 1
fi
{
# Set security bit
"$ATPROGRAM_EXE" $ATPROGRAM_OPTS secure
[ $? -ne 0 ] && return 1
# Write must fail with error code 16
"$ATPROGRAM_EXE" $ATPROGRAM_OPTS write -o $MCU_FLASH_BASE_ADDR --values 01020304
[ $? -eq 16 ] && return 0 || return 1
} 1>/dev/null 2>&1
}
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