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Image download with out rebuilding
For an already built and saved image, can repeatedly download the same image to multiple loggers/Mayflys with avrdude.exe
prog_mayfly.bat mayfly_v0.19.2b.nh_190102_firmware.hex
This means only need to customize the microSD: mayfly.ini for each unqiue logger, to show on the cloud as a unique logger.
For an already built image, stored say in location "\Documents\Arduino\env03\release".
Use avr tools "avrdude" to download to logger/Mayfly.
This can be on the same computer in the office as normally used, OR copy the .hex to a computer that is going to the field with the avrdude utility On a Win10 the avr-dude is found here: .platformio\packages\tool-avrdude and it needs avrdude.exe and avrdude.conf
I create a batch file,"prog_mayfly.bat" that is fixed to USB Port COM10 (you need to determine your own system, or remove it if only one USB com port) and has the following in it
---begin prog_mayfly.bat, has two lines----------------------
rem prog_mayfly <nam.hex>
c:\users<user acc>.platformio\packages\tool-avrdude\avrdude -v -p atmega1284p -C C:\Users<user acc>.platformio\packages\tool-avrdude\avrdude.conf -c arduino -b 57600 -D -P "COM10" -U flash:w:%1:i
---end----------------------
or if copied to another computer only need
---begin prog_mayfly.bat, has two lines----------------------
rem prog_mayfly <nam.hex>
avrdude -v -p atmega1284p -C avrdude.conf -c arduino -b 57600 -D -P "COM10" -U flash:w:%1:i
---end----------------------
An example useage from a cmd prompt is
...user prompt..\Documents\Arduino\env03\release>prog_mayfly.bat mayfly_v0.17.2b.nh_190102_firmware.hex
avrdude: Version 6.3, compiled on Sep 12 2016 at 17:24:16
Copyright (c) 2000-2005 Brian Dean, http://www.bdmicro.com/
Copyright (c) 2007-2014 Joerg Wunsch
System wide configuration file is "C:\Users\neilh77\.platformio\packages\tool-av
Using Port : COM10
Using Programmer : arduino
Overriding Baud Rate : 57600
AVR Part : ATmega1284P
Chip Erase delay : 55000 us
PAGEL : PD7
BS2 : PA0
RESET disposition : dedicated
RETRY pulse : SCK
serial program mode : yes
parallel program mode : yes
Timeout : 200
StabDelay : 100
CmdexeDelay : 25
SyncLoops : 32
ByteDelay : 0
PollIndex : 3
PollValue : 0x53
Memory Detail :
Block Poll Page Pol
Memory Type Mode Delay Size Indx Paged Size Size #Pages MinW MaxW ReadB
----------- ---- ----- ----- ---- ------ ------ ---- ------ ----- ----- ------
eeprom 65 10 128 0 no 4096 8 0 9000 9000 0xff 0
flash 65 10 256 0 yes 131072 256 512 4500 4500 0xff 0
lock 0 0 0 0 no 1 0 0 9000 9000 0x00 0
lfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0
hfuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0
efuse 0 0 0 0 no 1 0 0 9000 9000 0x00 0
signature 0 0 0 0 no 3 0 0 0 0 0x00 0
calibration 0 0 0 0 no 1 0 0 0 0 0x00 0
Programmer Type : Arduino
Description : Arduino
Hardware Version: 3
Firmware Version: 6.0
Vtarget : 0.3 V
Varef : 0.3 V
Oscillator : 28.800 kHz
SCK period : 3.3 us
avrdude: AVR device initialized and ready to accept instructions
Reading | ################################################## | 100% 0.02s
avrdude: Device signature = 0x1e9705 (probably m1284p)
avrdude: safemode: hfuse reads as 0
avrdude: safemode: efuse reads as 0
avrdude: reading input file "mayfly_v0.17.2b.nh_190102_firmware.hex"
avrdude: writing flash (75712 bytes):
Writing | ################################################## | 100% 24.00s
avrdude: 75712 bytes of flash written
avrdude: verifying flash memory against mayfly_v0.17.2b.nh_190102_firmware.hex:
avrdude: load data flash data from input file mayfly_v0.17.2b.nh_190102_firmware.hex:
avrdude: input file mayfly_v0.17.2b.nh_190102_firmware.hex contains 75712 bytes
avrdude: reading on-chip flash data:
Reading | ################################################## | 100% 22.54s
avrdude: verifying ...
avrdude: 75712 bytes of flash verified
avrdude: safemode: hfuse reads as 0
avrdude: safemode: efuse reads as 0
avrdude: safemode: Fuses OK (E:00, H:00, L:00)
avrdude done. Thank you.
..user prompt\Documents\Arduino\env03\release>
http://ladyada.net/learn/avr/avrdude.html
http://www.nongnu.org/avrdude/