Closed

Advice re ftp download using SIM900 and STM32 controller

We are working with a battery powered remote monitoring device that uses a STM32F100CB controller and a SIM900 GSM modem.

We are seeking to implement a FOTA capability, by allowing the STM32 to download new firmware (c 50k) from our server via ftp through the SIM900 device.

The new firmware, once downloaded, is written to external I2C EEPROM and from there it may be used for replacing the existing firmware, subject to certain checks being passed.

Our current issues are:

FTP dowload is taking way too long (c 10 minutes). We do not understand why, though we suspect the writing to EEPROM via I2C is the main culprit.

We are wondering whether it is possible to write the new firmware directly to the internal flash of the STM32?

We seek to resolve these issues by consultancy via an online meeting.

FTP download is t

Skills: C Programming, Embedded Software, Microcontroller, Wireless

See more: sim900 stm32, stm32 sim900, stm32 ftp, sim900 ftp, download firmware sim900, sim900 ftp download, ftp server stm32, stm32 gsm, download sim900 firmware, stm32 controller gsm, stm32 fota, ftp stm32, writing meeting minutes, writing checks online, writing advice, seek download, seek c, seek advice, flash programming online, eeprom programming, download seek, c seek, stm32 gsm sim900, ftp online, download programming c

About the Employer:
( 4 reviews ) Swords, Ireland

Project ID: #2660133

7 freelancers are bidding on average €39/hour for this job

betaenergy

Dear Sir, We are Reserach and Development company whose working area are : -Digital Motor Control -Analog Design -Electronic Design -Power Electronics -PCB design -Embedded system -Matlab -Simulation of ha More

€36 EUR / hour
(9 Reviews)
4.6
MikroStar

hi, i can help.

€40 EUR / hour
(10 Reviews)
4.4
codeembedded

I'm very experienced with STM32 family of microcontrollers from STMicro, and did lots of projects with them. I have some really good ideas which will I guess solve your problem. I'll propose you a few methods to speed More

€50 EUR / hour
(1 Review)
3.9
Comsytec

If you decide for us please explain more about this project.

€36 EUR / hour
(0 Reviews)
0.0
Mq217PVHa

Custom software development: w w w . The Administrator removed this message for containing contact details which breaches our Terms of Service . i o

€36 EUR / hour
(0 Reviews)
0.0
snilesh2

[url removed, login to view] we are in position to execute work.

€39 EUR / hour
(0 Reviews)
2.6
embfocus

we are a embedded company and we offer end to end software development sevices, consulting and outsourcing projects on Android, Embedded linux,ARM, DSP and Embedded.

€36 EUR / hour
(0 Reviews)
0.0
mhanuel

I am available right now to start.

€36 EUR / hour
(0 Reviews)
0.0