basic-dhrystone-project
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Description Graph
basic-dhrystone-project
 
Purpose
This application measures how many dhrystone per second that the chip can produce under several different configurations.

Description
When launched, this program displays a menu on the DBGU, enabling the user to choose between several options:
Usage
  1. Build the program and download it inside the evaluation board. Please refer to the SAM-BA User Guide, the GNU-Based Software Development application note or to the IAR EWARM User Guide, depending on your chosen solution.
  2. On the computer, open and configure a terminal application (e.g. HyperTerminal on Microsoft Windows) with these settings:
    • 115200 bauds
    • 8 bits of data
    • No parity
    • 1 stop bit
    • No flow control
  3. Start the application.
  4. In the terminal window, the following text should appear:
    -- Basic Dhrystone Project xxx --
    -- AT91xxxxxx-xx
    -- Compiled: xxx xx xxxx xx:xx:xx --
    Menu :
    ------
    0: Set PCK = 240 MHz, MCK = 120 MHz
    1: Set PCK = 120 MHz, MCK = 120 MHz
    2: Set PCK = 96 MHz, MCK = 48 MHz
    3: Set PCK = 48 MHz, MCK = 48 MHz
    i: Toggle instruction cache
    m: Perform measurements
    h: Display this menu again
    
  5. Select one or more options to set the configuration of the device, then start a measurement by typing 'm'.
 
Source
The documentation for this Directory was generated from the following files:
  • main.c