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This executes five tests for typical programming tasks:
- Write/verify a "difficult" sketch to flash: two code sections and one
data section separated by "holes" of different sizes
- Dump all flash, eg, to make a backup
- Write/verify a "difficult" eeprom data file with holes
- Dump all eeprom, eg, to make a backup
- Chip erase (bootloaders are expected to page erase flash apart from
the bootloader itself) and spot check whether flash was erased
The reported times are realistic times with overhead of starting avrdude,
resetting the board via DTR/RTS, establishing comms, including erasing the
flash before writing/verifying the sketch and disengaging the chip.
$ test-avrdude -b -d 0 \
-p "u7.7/weu-jPrac -c urclock -P ch340 -p m328p -b 1000000" \
-p "u7.7/-eu-jPrac -c urclock -P ch340 -p m328p -b 1000000"
Testing avrdude version 7.3-20240225 (20788712)
Prepare "u7.7/weu-jPrac -c urclock -P ch340 -p m328p -b 1000000" and press 'enter' or 'space' to continue. Press any other key to skip
✅ 2.174 s: flash -U write/verify holes_rjmp_loops_32768B.hex
✅ 1.339 s: flash -U read all flash
✅ 1.415 s: eeprom -U write/verify holes_pack_my_box_1024B.hex
✅ 1.034 s: eeprom -U read all
✅ 1.604 s: chip erase and spot check flash is actually erased
✅ 7.566 s: benchmark for u7.7/weu-jPrac -c urclock -P ch340 -p m328p -b 1000000
Prepare "u7.7/-eu-jPrac -c urclock -P ch340 -p m328p -b 1000000" and press 'enter' or 'space' to continue. Press any other key to skip
✅ 2.001 s: flash -U write/verify holes_rjmp_loops_32768B.hex
✅ 1.333 s: flash -U read all flash
✅ 1.405 s: eeprom -U write/verify holes_pack_my_box_1024B.hex
✅ 1.029 s: eeprom -U read all
✅ 1.618 s: chip erase and spot check flash is actually erased
✅ 7.386 s: benchmark for u7.7/-eu-jPrac -c urclock -P ch340 -p m328p -b 1000000
Note the benchmark line with the cumulative time for all five tasks