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TivaNetworkTester

This project contains a basic network stack and shell for the Tiva C-series microcontrollers. The shell contains the following commands:

  • ping - Pings and IPv4 address.
  • arp - Looks up the IPv4 address of a MAC address.
  • raw - Toggles raw printing of Ethernet frames.
  • ipconfig - Displays IPv4 configuration.
  • setip - Sets IPv4 address.
  • setsub - Sets IPv4 subnet.
  • setgw - Sets IPv4 gateway.
  • help - Prints available comands.
  • uptime - Reports time that Tiva has been on the network.

Please see our full project report here.

Target Platform: EK-TM4C123GXL w/ ENC28J60

Target uC: TM4C123GH6PM System Clock: 40 MHz

Hardware configuration:

  • MOSI (SSI2Tx) on PB7 (ST)
  • MISO (SSI2Rx) on PB6 (SO)
  • SCLK (SSI2Clk) on PB4
  • ~CS connected to PB1

Files

drivers/enc28j60/

These are the driver files for the ENC28J60 SPI Ethernet board, originally copied from https://github.com/nihit30/ENC28J60-Library. Several modifications have been made to the source.

init_hw

Has functions for configuring the hardware peripherals.

isr

Contains interrupt service routines for timers, UART, etc.

led

One function for flashing the LEDs.

print

Contains formatted print functions for various structs used in the application.

shell

Routines for adding and parsing commands to the shell.

timers

Routines for resetting the timers.