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Renesas 70 User Manual

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Chapter 4 Applications Development Procedure Overview   
   
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4.1 Overview 
Application programs for MR308 should generally be developed following the procedure described below. 
1. Generating a project 
When using HEW
, create a new project using MR308 on HEW. 
2.  Coding the application program 
Write the application program in code form using C or assembly language. If necessary, correct the 
sample startup program (crt0mr.a30) and section definition file (c_sec.inc or asm_sec.inc). 
3.  Creating a configuration file 
Create a configuration file which has defined in it the task entry address, stack size, etc. by using an 
editor.  
The GUI configurator available for MR308 may be used to create a configuration file. 
4.  Executing the configurator 
From the configuration file, create system data definition files (sys_rom.inc, sys_ram.inc), include files 
(mr308.inc, kernel_id.h), and a system generation procedure description file (makefile). 
5. System generation 
Execute the make
  command or execute build on HEW to generate a system. 
6.  Writing to ROM 
Using the ROM programming format file created, write the finished program file into the ROM. Or load 
it into the debugger to debug. 
Figure 4.1 shows a detailed flow of system generation. 
 
 
 
 
                                                      
40
  It is abbreviation of High-performance Embedded Workshop. 
41
  The make command comes the UNIX standard and UNIX compatible.