DSP281x_Examples.h
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- //###########################################################################
- //
- // FILE: DSP281x_Examples.h
- //
- // TITLE: DSP281x Device Definitions.
- //
- //###########################################################################
- //
- // Ver | dd mmm yyyy | Who | Description of changes
- // =====|=============|======|===============================================
- // 1.00| 11 Sep 2003 | L.H. | First release. Seperated example specific headers
- // | | | from the DSP28 peripheral headers.
- // | | | Added DSP28_BIOS and DSP28_NONBIOS switches
- // | | | to include or not include the default ISR's
- //###########################################################################
- #ifndef DSP281x_EXAMPLES_H
- #define DSP281x_EXAMPLES_H
- #ifdef __cplusplus
- extern "C" {
- #endif
- /*-----------------------------------------------------------------------------
- Specify the clock rate of the CPU (SYSCLKOUT) in nS.
- Take into account the input clock frequency and the PLL multiplier
- selected in step 1.
-
- Use one of the values provided, or define your own.
- The trailing L is required tells the compiler to treat
- the number as a 64-bit value.
- Only one statement should be uncommented.
- Example: CLKIN is a 30MHz crystal.
-
- In step 1 the user specified PLLCR = 0xA for a
- 150Mhz CPU clock (SYSCLKOUT = 150MHz).
- In this case, the CPU_RATE will be 6.667L
- Uncomment the line: #define CPU_RATE 6.667L
- -----------------------------------------------------------------------------*/
- #define CPU_RATE 6.667L // for a 150MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 7.143L // for a 140MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 8.333L // for a 120MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 10.000L // for a 100MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 13.330L // for a 75MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 20.000L // for a 50MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 33.333L // for a 30MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 41.667L // for a 24MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 50.000L // for a 20MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 66.667L // for a 15MHz CPU clock speed (SYSCLKOUT)
- //#define CPU_RATE 100.000L // for a 10MHz CPU clock speed (SYSCLKOUT)
- //----------------------------------------------------------------------------
- //---------------------------------------------------------------------------
- // Include Example Header Files:
- //
- #include "DSP281x_GlobalPrototypes.h" // Prototypes for global functions within the
- // .c files.
- #include "DSP281x_SWPrioritizedIsrLevels.h" // Used for Software Prioritization of ISR's
- // Include files not used with DSP/BIOS
- #ifndef DSP28_BIOS
- #include "DSP281x_DefaultISR.h"
- #endif
- // DO NOT MODIFY THIS LINE.
- #define DELAY_US(A) DSP28x_usDelay(((((long double) A * 1000.0L) / (long double)CPU_RATE) - 9.0L) / 5.0L)
- #ifdef __cplusplus
- }
- #endif /* extern "C" */
- #endif // end of DSP281x_EXAMPELS_H definition
- //===========================================================================
- // No more.
- //===========================================================================