hal_UCS.h File Reference

This file contains definitions for the Hardware Abstraction Layer (HAL) specifically created for the MSP430. More...

#include <stdint.h>
#include "hal_macros.h"

Go to the source code of this file.

Defines
#define	XT1LFOFFG   0
#define	XT1HFOFFG   0
#define	XT2OFFG   0
#define	XTS   0
#define	XT2DRIVE_3   0
#define	SELECT_FLLREF(source)   st(UCSCTL3 = (UCSCTL3 & ~(SELREF_7)) | (source);)
#define	SELECT_ACLK(source)   st(UCSCTL4 = (UCSCTL4 & ~(SELA_7)) | (source);)
#define	SELECT_MCLK(source)   st(UCSCTL4 = (UCSCTL4 & ~(SELM_7)) | (source);)
#define	SELECT_SMCLK(source)   st(UCSCTL4 = (UCSCTL4 & ~(SELS_7)) | (source);)
#define	SELECT_MCLK_SMCLK(sources)   st(UCSCTL4 = (UCSCTL4 & ~(SELM_7 + SELS_7)) | (sources);)
#define	ACLK_DIV(x)   st(UCSCTL5 = (UCSCTL5 & ~(DIVA_7)) | (DIVA__##x);)
#define	MCLK_DIV(x)   st(UCSCTL5 = (UCSCTL5 & ~(DIVM_7)) | (DIVM__##x);)
#define	SMCLK_DIV(x)   st(UCSCTL5 = (UCSCTL5 & ~(DIVS_7)) | (DIVS__##x);)
#define	SELECT_FLLREFDIV(x)   st(UCSCTL3 = (UCSCTL3 & ~(FLLREFDIV_7))|(FLLREFDIV__##x);)
#define	UCS_STATUS_OK   0
#define	UCS_STATUS_ERROR   1
Functions
void	LFXT_Start (uint16_t xtdrive)
uint16_t	LFXT_Start_Timeout (uint16_t xtdrive, uint16_t timeout)
void	XT1_Start (uint16_t xtdrive)
uint16_t	XT1_Start_Timeout (uint16_t xtdrive, uint16_t timeout)
void	XT1_Bypass (void)
void	XT2_Start (uint16_t xtdrive)
uint16_t	XT2_Start_Timeout (uint16_t xtdrive, uint16_t timeout)
void	XT2_Bypass (void)
void	Init_FLL_Settle (uint16_t fsystem, uint16_t ratio)

---

Detailed Description

This file contains definitions for the Hardware Abstraction Layer (HAL) specifically created for the MSP430.

Author:

Texas Instruments, Inc

Date:

November 2010

Version:

1.0 Initial version

Note:

Built with IAR for MSP430 Version: 5.10

Definition in file hal_UCS.h.

---

Function Documentation

void Init_FLL_Settle	(	uint16_t	fsystem,
		uint16_t	ratio
	)

Initializes FLL of the UCS and wait till settled

Parameters:

	fsystem	required system frequency (MCLK) in kHz
	ratio	ratio between fsystem and FLLREFCLK

Initializes FLL of the UCS and wait till settled

Parameters:

	fsystem	required system frequency (MCLK) in kHz
	ratio	ratio between MCLK and FLLREFCLK

Definition at line 237 of file hal_UCS.c.

void LFXT_Start

(

uint16_t

xtdrive

)

Startup routine for 32kHz Cristal on LFXT1

Parameters:

xtdrive,:

Bits defining the LFXT drive mode after startup

Startup routine for 32kHz Cristal on LFXT1

Definition at line 92 of file hal_UCS.c.

uint16_t LFXT_Start_Timeout	(	uint16_t	xtdrive,
		uint16_t	timeout
	)

Startup routine for 32kHz Cristal on LFXT1 with timeout counter

Parameters:

	xtdrive,:	Bits defining the LFXT drive mode after startup
	timeout,:	value for the timeout counter

Startup routine for 32kHz Cristal on LFXT1 with timeout counter

Definition at line 108 of file hal_UCS.c.

void XT1_Bypass

(

void

)

Use XT1 in Bypasss mode

Definition at line 165 of file hal_UCS.c.

void XT1_Start

(

uint16_t

xtdrive

)

Startup routine for XT1

Parameters:

xtdrive,:

Bits defining the XT drive mode

Startup routine for XT1

Definition at line 129 of file hal_UCS.c.

uint16_t XT1_Start_Timeout	(	uint16_t	xtdrive,
		uint16_t	timeout
	)

Startup routine for XT1 with timeout counter

Parameters:

	xtdrive,:	Bits defining the XT drive mode
	timeout,:	value for the timeout counter

Startup routine for XT1 with timeout counter

Definition at line 145 of file hal_UCS.c.

void XT2_Bypass

(

void

)

Use XT2 in Bypasss mode for MCLK

Use XT2 in Bypasss mode

Definition at line 218 of file hal_UCS.c.

void XT2_Start

(

uint16_t

xtdrive

)

Startup routine for XT2

Parameters:

xtdrive,:

Bits defining the XT drive mode

Startup routine for XT2

Definition at line 180 of file hal_UCS.c.

uint16_t XT2_Start_Timeout	(	uint16_t	xtdrive,
		uint16_t	timeout
	)

Startup routine for XT2 with timeout counter

Parameters:

	xtdrive,:	Bits defining the XT drive mode
	timeout,:	value for the timeout counter

Startup routine for XT2 with timeout counter

Definition at line 197 of file hal_UCS.c.