//----------------------------------------------------------------------------- // File: syncdly.h // Contents: EZ-USB FX2 Synchronization Delay (SYNCDELAY) Macro // Enter with _IFREQ = IFCLK in kHz // Enter with _CFREQ = CLKOUT in kHz // // $Archive: /USB/Target/Inc/syncdly.h $ // $Date: 8/12/03 4:26p $ // $Revision: 2 $ // // //----------------------------------------------------------------------------- // Copyright 2003, Cypress Semiconductor Corporation // // This software is owned by Cypress Semiconductor Corporation (Cypress) and is // protected by United States copyright laws and international treaty provisions. Cypress // hereby grants to Licensee a personal, non-exclusive, non-transferable license to copy, // use, modify, create derivative works of, and compile the Cypress Source Code and // derivative works for the sole purpose of creating custom software in support of Licensee // product ("Licensee Product") to be used only in conjunction with a Cypress integrated // circuit. Any reproduction, modification, translation, compilation, or representation of this // software except as specified above is prohibited without the express written permission of // Cypress. // // Disclaimer: Cypress makes no warranty of any kind, express or implied, with regard to // this material, including, but not limited to, the implied warranties of merchantability and // fitness for a particular purpose. Cypress reserves the right to make changes without // further notice to the materials described herein. Cypress does not assume any liability // arising out of the application or use of any product or circuit described herein. Cypress’ // products described herein are not authorized for use as components in life-support // devices. // // This software is protected by and subject to worldwide patent coverage, including U.S. // and foreign patents. Use may be limited by and subject to the Cypress Software License // Agreement. //----------------------------------------------------------------------------- #include "intrins.h" // Registers which require a synchronization delay, see section 15.14 // FIFORESET FIFOPINPOLAR // INPKTEND OUTPKTEND // EPxBCH:L REVCTL // GPIFTCB3 GPIFTCB2 // GPIFTCB1 GPIFTCB0 // EPxFIFOPFH:L EPxAUTOINLENH:L // EPxFIFOCFG EPxGPIFFLGSEL // PINFLAGSxx EPxFIFOIRQ // EPxFIFOIE GPIFIRQ // GPIFIE GPIFADRH:L // UDMACRCH:L EPxGPIFTRIG // GPIFTRIG // Note: The pre-REVE EPxGPIFTCH/L register are affected, as well... // ...these have been replaced by GPIFTC[B3:B0] registers // _IFREQ can be in the range of: 5000 to 48000 #ifndef _IFREQ #define _IFREQ 48000 // IFCLK frequency in kHz #endif // CFREQ can be any one of: 48000, 24000, or 12000 #ifndef _CFREQ #define _CFREQ 48000 // CLKOUT frequency in kHz #endif #if( _IFREQ < 5000 ) #error "_IFREQ too small! Valid Range: 5000 to 48000..." #endif #if( _IFREQ > 48000 ) #error "_IFREQ too large! Valid Range: 5000 to 48000..." #endif #if( _CFREQ != 48000 ) #if( _CFREQ != 24000 ) #if( _CFREQ != 12000 ) #error "_CFREQ invalid! Valid values: 48000, 24000, 12000..." #endif #endif #endif // Synchronization Delay formula: see TRM section 15-14 #define _SCYCL ( 3*(_CFREQ) + 5*(_IFREQ) - 1 ) / ( 2*(_IFREQ) ) #if( _SCYCL == 1 ) #define SYNCDELAY _nop_( ) #endif #if( _SCYCL == 2 ) #define SYNCDELAY _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 3 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 4 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 5 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 6 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 7 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 8 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 9 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 10 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 11 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 12 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 13 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 14 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 15 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif #if( _SCYCL == 16 ) #define SYNCDELAY _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ); \ _nop_( ) #endif