資源簡介
包含了一些在做DSP的PWM實現時所需的.h文件.c文件,轉載而來的一個PWM例程,大家可以拿去簡單的調試參數,設置一些基礎的PWM波形。

代碼片段和文件信息
//?TI?File?$Revision:?/main/3?$
//?Checkin?$Date:?March?16?2007???08:37:30?$
//###########################################################################
//
//?FILE: DSP2833x_CpuTimers.c
//
//?title: CPU?32-bit?Timers?Initialization?&?Support?Functions.
//
//?NOTES:???CpuTimer1?and?CpuTimer2?are?reserved?for?use?with?DSP?BIOS?and
//??????????other?realtime?operating?systems.
//
//??????????Do?not?use?these?two?timers?in?your?application?if?you?ever?plan
//??????????on?integrating?DSP-BIOS?or?another?realtime?OS.
//
//
//###########################################################################
//?$TI?Release:?DSP2833x?Header?Files?V1.01?$
//?$Release?Date:?September?26?2007?$
//###########################################################################
#include?“DSP2833x_Device.h“?????//?Headerfile?Include?File
#include?“DSP2833x_Examples.h“???//?Examples?Include?File
struct?CPUTIMER_VARS?CpuTimer0;
//?CpuTimer?1?and?CpuTimer2?are?used?by?DSP?BIOS?&?other?RTOS.?Comment?out?if?using?DSP?BIOS?or?other?RTOS.
struct?CPUTIMER_VARS?CpuTimer1;
struct?CPUTIMER_VARS?CpuTimer2;
//---------------------------------------------------------------------------
//?InitCpuTimers:
//---------------------------------------------------------------------------
//?This?function?initializes?all?three?CPU?timers?to?a?known?state.
//
void?InitCpuTimers(void)
{
????//?CPU?Timer?0
//?Initialize?address?pointers?to?respective?timer?registers:
CpuTimer0.RegsAddr?=?&CpuTimer0Regs;
//?Initialize?timer?period?to?maximum:
CpuTimer0Regs.PRD.all??=?0xFFFFFFFF;
//?Initialize?pre-scale?counter?to?divide?by?1?(SYSCLKOUT):
CpuTimer0Regs.TPR.all??=?0;
CpuTimer0Regs.TPRH.all?=?0;
//?Make?sure?timer?is?stopped:
CpuTimer0Regs.TCR.bit.TSS?=?1;
//?Reload?all?counter?register?with?period?value:
CpuTimer0Regs.TCR.bit.TRB?=?1;
//?Reset?interrupt?counters:
CpuTimer0.InterruptCount?=?0;
//?CpuTimer?1?and?CpuTimer2?are?reserved?for?DSP?BIOS?&?other?RTOS
//?Do?not?use?these?two?timers?if?you?ever?plan?on?integrating
//?DSP-BIOS?or?another?realtime?OS.
//
//?Initialize?address?pointers?to?respective?timer?registers:
CpuTimer1.RegsAddr?=?&CpuTimer1Regs;
CpuTimer2.RegsAddr?=?&CpuTimer2Regs;
//?Initialize?timer?period?to?maximum:
CpuTimer1Regs.PRD.all??=?0xFFFFFFFF;
CpuTimer2Regs.PRD.all??=?0xFFFFFFFF;
????//?Initialize?pre-scale?counter?to?divide?by?1?(SYSCLKOUT):
CpuTimer1Regs.TPR.all??=?0;
CpuTimer1Regs.TPRH.all?=?0;
CpuTimer2Regs.TPR.all??=?0;
CpuTimer2Regs.TPRH.all?=?0;
????//?Make?sure?timers?are?stopped:
CpuTimer1Regs.TCR.bit.TSS?=?1;
CpuTimer2Regs.TCR.bit.TSS?=?1;
//?Reload?all?counter?register?with?period?value:
CpuTimer1Regs.TCR.bit.TRB?=?1;
CpuTimer2Regs.TCR.bit.TRB?=?1;
//?Reset?interrupt?counters:
CpuTimer1.InterruptCount?=?0;
CpuTimer2.InterruptCount?=?0;
}
//---------------------------------------------------------------------------
//?ConfigCpuTimer:
//-------------
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????文件???????3950??2011-01-12?10:56??lab24-PWM\cc_build_Debug.log
?????文件???????3947??2008-01-11?16:04??lab24-PWM\CMD\28335_RAM_lnk.cmd
?????文件???????8438??2007-09-21?11:09??lab24-PWM\CMD\DSP2833x_Headers_nonBIOS.cmd
?????文件???????4851??2009-08-17?20:53??lab24-PWM\CMD\F28335.cmd
?????文件???????1112??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_ADC_cal.obj
?????文件???????1391??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_CodeStartBranch.obj
?????文件?????113633??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_CpuTimers.obj
?????文件?????154698??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_DefaultIsr.obj
?????文件?????115653??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_EPwm.obj
?????文件?????121822??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_GlobalVariableDefs.obj
?????文件?????112529??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_PieCtrl.obj
?????文件?????119432??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_PieVect.obj
?????文件?????116890??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_SysCtrl.obj
?????文件???????1123??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_usDelay.obj
?????文件?????114537??2011-01-12?10:56??lab24-PWM\Debug\DSP2833x_Xintf.obj
?????文件?????112325??2011-01-12?10:56??lab24-PWM\Debug\Example_EPwmSetup.obj
?????文件??????26903??2011-01-12?10:56??lab24-PWM\Debug\PWM.map
?????文件?????112793??2011-01-12?10:56??lab24-PWM\Debug\PWM.obj
?????文件?????158902??2011-01-12?10:56??lab24-PWM\Debug\PWM.out
?????文件???????1404??2011-01-12?10:56??lab24-PWM\Debug.lkf
?????文件??????10465??2007-09-26?10:23??lab24-PWM\INCLUDE\DSP2833x_Adc.h
?????文件???????5870??2007-09-26?10:23??lab24-PWM\INCLUDE\DSP2833x_CpuTimers.h
?????文件???????6315??2007-09-26?10:23??lab24-PWM\INCLUDE\DSP2833x_DefaultIsr.h
?????文件???????2701??2007-09-26?10:23??lab24-PWM\INCLUDE\DSP2833x_DevEmu.h
?????文件???????6876??2009-08-26?09:42??lab24-PWM\INCLUDE\DSP2833x_Device.h
?????文件??????13320??2007-09-26?10:23??lab24-PWM\INCLUDE\DSP2833x_DMA.h
?????文件???????1993??2007-09-26?10:23??lab24-PWM\INCLUDE\DSP2833x_Dma_defines.h
?????文件??????45525??2007-09-26?10:23??lab24-PWM\INCLUDE\DSP2833x_ECan.h
?????文件???????6106??2007-09-26?10:23??lab24-PWM\INCLUDE\DSP2833x_ECap.h
?????文件??????16545??2007-09-26?10:23??lab24-PWM\INCLUDE\DSP2833x_EPwm.h
............此處省略51個文件信息
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