f280xileg.h

DSP280X芯片的编程简单例子

/* ==================================================================================
File name:       F280XILEG.H
                    
Originator:	Digital Control Systems Group
			Texas Instruments

Description: This header file contains source for the F280X Two leg current measurement driver.

Target: TMS320F280x family
              
=====================================================================================
History:
-------------------------------------------------------------------------------------
 04-15-2005	Version 3.20: Using DSP280x v. 1.10 or higher 
------------------------------------------------------------------------------------*/

#ifndef __F280XILEG_H__
#define __F280XILEG_H__

#include "f280xbmsk.h"

/*-----------------------------------------------------------------------------
Define the structure of the ILEG2MEAS Object
-----------------------------------------------------------------------------*/
typedef struct { int16 ImeasAGain;     // Parameter: gain for Ia (Q13) 
                 int16 ImeasAOffset;   // Parameter: offset for Ia (Q15)
                 int16 ImeasA;         // Output: measured Ia (Q15)
                 int16 ImeasBGain;     // Parameter: gain for Ib (Q13)
                 int16 ImeasBOffset;   // Parameter: offset for Ib (Q15)
                 int16 ImeasB;         // Output: measured Ib (Q15)
		         int16 ImeasC;	       // Output: computed Ic (Q15)	
                 Uint16 ChSelect;      // Parameter: ADC channel selection
                 void (*init)();       // Pointer to the init function
                 void (*read)();       // Pointer to the read function
               } ILEG2MEAS;

typedef ILEG2MEAS *ILEG2MEAS_handle;
/*-----------------------------------------------------------------------------
 Note 1 : It is necessary to call the init function to change the ADC 
            register settings, for the change in the channel setting for 
            Ch_sel setting changes to take effect.
            The read function will not detect or act upon this change.
-----------------------------------------------------------------------------*/
// Default Initializer for the ILEG2MEAS Object

#define F280X_ILEG2_MEAS_DEFAULTS { 0x1FFF,0x0000,0x0000,             \
                                    0x1FFF,0x0000,0x0000,             \
                                    0x0000,0x0010,                    \
                                   (void (*)(Uint32))F280X_ileg2_drv_init, \
                                   (void (*)(Uint32))F280X_ileg2_drv_read  \
                                 }

#define ILEG2MEAS_DEFAULTS F280X_ILEG2_MEAS_DEFAULTS 

#define ADCTRL1_INIT_STATE_ILEG2  ADC_SUS_MODE0 + ADC_ACQ_PS_16 + \
                                  ADC_CPS_2 + ADC_SEQ_CASC

#define ADCTRL2_INIT_STATE_ILEG2  ADC_EPWM_SOCA_SEQ1 

/*------------------------------------------------------------------------------
 Prototypes for the functions in F280XILEG.C
------------------------------------------------------------------------------*/
void F280X_ileg2_drv_init(ILEG2MEAS *);
void F280X_ileg2_drv_read(ILEG2MEAS *);

#endif // __F280XILEG_H__