Ethernet Bootloader

Hello Amit,

Thank you for your Reply,I am now trying to use Flash based boot loader. so  have started with this sample C:\ti\TivaWare_C_Series-2.1.0.12573\examples\boards\dk-tm4c129x\boot_demo_emac_flash

through the following steps :

1-I run the sample through CCS v6

2-Open the LM flash programmer and select manual configuration,choose ethernet ,assign the mac address of the   DK and a subnet ip address then press program tab but i have two problems :

1.The screen displays that ip address is not assigned

2.the LM flash programmer attempts to connect infinitely

Regards

Ahmed

Hello Ahmed,

How have you connected the Ethernet to the Network?

Regards

Amit

Hello Amit

I 'm connecting each the DK and the PC through a Switch

Regards

Ahmed

Hello Ahmed

Let me set my system up (been quite some time) and will help you out.

Forum members... Most welcome if someone has a setup already going...

Regards

Amit

Hello Amit,

You haven't reply me yet and i am still suffering the problem

Regards

Ahmed

Hello Ahmed,

Sorry for the delay but got the setup working today

Hardware Setup.

1. My PC is connected to the n/w using a Ethernet Switch. To the same switch I have connected the DK Board as well

Software Setup

1. Using the LMFlashProgrammer I flashed the enet_uip and ran the same to get the IP Address for the MAC (make a note of the IP Address and MAC Address)

2. Using the LMFlashProgrammer I then flashed the boot_emac_flash, the 3 LED's on the DK-TM4C129 comes up.

3. Close the LMFlashProgrammer (this I found out was required if the Ethernet Adapter is used if wi-fi on PC is the default choice)

3. Using the LMFlashProgrammer, Tab "Configuration", change Interface to Ethernet and then enter the Client IP and MAC Address from the Step-1

4. Ensure that Ethernet Adapter IP Address is same as the PC IP Address.

5. Go to Program Tab and then select boot_demo_emac_flash and flash the same. It will take 5-10 seconds before the flash operation will begin

6. The LCD Screen should not show the new application...

Regards

Amit

Hello Amit,

Thank you for your reply,i followed the above steps but i still have the same problem that the LM flash programmer can't connect by displaying only attempting to connect and by tracking the traffic through the wire shark i got that the DK sends a BOOTP request but the LM flash progammer doesn't reply.

Regards

Ahmed Hassan

Hello Amit,

First thank you for you reply,the emac bootloader and boot demo_eth work fine now and i think it was an issue with the LM Flash programmer version so thanks again for your advice,then i have two questions :

1- i want to use the web to download the FW on the microcontroller so does the provided bootloader support that and if not is there any guidance ?

2-if i want to to download the FW from the SD card is it supported ?

Thank you

Regards

Ahmed

Hello Ahmed,

The bootloader is already using an IP address to communicate with the PC. So technically it can be done though there is no example with us for it.

The same applies for SD card support for FW download.

Regards

Amit