Nios Software Tutorial - Faculty.lasierra.edu

More documents

Recommendations

Info

$Math 155 - Faculty.lasierra.edu$

$Math 251, Final Exam Name - Faculty.lasierra.edu$

$Math 251: Practice Questions Hints and Answers Part I. Questions ...$

$Math 133, Practice Problems: Conics, Parametric Equations and ...$

TutorialNios Software Development Tutorial4. Redownload the .srec and start the debugger using the nios-debugor nios-console command.Download theSoftware toFlashIn this section you will download the program to flash so that it executesafter the system boots. You should place your code in the user softwareportion of the flash memory, which is located at 0x40000 (flash baseaddress plus 0x40000). The srec2flash utility creates a flash file containingyour code and a routine that copies your code to SRAM (the programmemory address) before it is executed.1. Convert the .srec to a .flash by typing the following command at theNios SDK shell prompt:srec2flash lcd_demo1.srec rThis command creates the file lcd_demo1.flash, which you candownload to the user software portion of the flash memory on theNios development board.1 You can also use a Hexadecimal (Intel-Format) Output File(.hexout). Refer to “Appendix—Using a .hexout” on page 37for more information.2. Download the flash file by typing the following command:nios-run –x lcd_demo1.flash rThe –x option causes the Nios SDK Shell to exit terminal mode whenthe download completes.If you receive a message about not being able to open COM1, typeCtrl-C to make sure you have exited any other terminal mode youmay have running Nios SDK Shells.3. Reset the system by pressing the CPU Reset button on the Niosdevelopment board. After the system boots, lcd_demo1 is copied toSRAM and executed. The lcd_demo1 program execute in the samemanner as when you downloaded it directly to SRAM using thenios-run command with the -x option.fFor more information on the srec2flash utility, refer to the Nios EmbeddedProcessor Software Development Reference Manual.34 Altera Corporation
Nios Software Development TutorialTutorialThird-PartyDevelopment &Debug ToolsSeveral third-party development and debugging tools are available foruse with the Nios development kit. For more information, refer to theQuick Start Guide for Third-Party Development Tools that was included withthe Nios development kit. More information is also available atwww.altera.com/nios.2TutorialAltera Corporation 35
Page 8 and 9: Contents Nios Software Development
Page 10 and 11: Tutorial OverviewNios Software Deve
Page 19 and 20: TutorialBefore YouBeginThis section
Page 21 and 22: Nios Software Development TutorialT
Page 33: Nios Software Development TutorialT
Page 38 and 39: Appendix—Using a .hexout Nios Sof
Page 40 and 41: Appendix—Other Board Communicatio
Page 50 and 51: Appendix—Nios SDK Shell Tips Nios
Page 52 and 53: Index Nios Software Development Tut

Nios Software Tutorial - Faculty.lasierra.edu

Create successful ePaper yourself

Delete template?

Save as template?