TUNER_main.c File Reference

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Detailed Description

This module provides various tuner support routines.

REVISION

• 11/26/2003 M.GAO
  Initial creation.
• 08/20/2004 M.GAO
  Tuner even frequency support.

Definition in file TUNER_main.c.

#include "../SYSTEM/sys_hardware.h"
#include "../SYSTEM/sys_main.h"
#include "../FMXMIT/xmit_inc.h"
#include "tuner.h"

Include dependency graph for TUNER_main.c:

Go to the source code of this file.

Functions
void	TUNER_control (int state)
	Function turns on/off the tuner.
int	TUNER_tune (int cmd, int channel)
	Tuned channel.
void	TUNER_initFIR (void)
	Function initializes the FIR filter controls.

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Function Documentation

void TUNER_control (  int  state  )

Function turns on/off the tuner. Parameters: state  ON/OFF state. Definition at line 45 of file TUNER_main.c. Referenced by UI_PSF_radio(). { int i; i = TUNER_WR; // always clear the tuner enable line for read. i = TUNER_DAT; // clear tuner data line for read...tristates DAT line. if (state) /* VCO on */ { GPIOSR = GPIOSR & ~VCTRL_TUNER; /* Probably want to add a call to delay microsecond to provide enough time for the rail to become stable */ TUNER_CLK = 0x0;// tuner clock enable line on. } else /* VCO Off */ { GPIOSR = GPIOSR | VCTRL_TUNER; i = TUNER_CLK; // tuner clock enable line off } }

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