main.c

关于XD256的应用实例,用于汽车电子开发之用

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      };
 
 const uchar CodeWarrior[1024] = {                              
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        0x01,0xE0,0xE1,0xE0,0x7B,0x87,0xC3,0xCF,0xCE,0x3F,0x0E,0xDD,0xB8,0x78,0x76,0x00,
        0x01,0xE0,0xE7,0xF8,0xFF,0x9F,0xF3,0xCD,0xCE,0x7F,0x8F,0xDF,0xB9,0xFE,0x7E,0x00,
        0x01,0xE0,0x07,0x39,0xE3,0x9C,0x71,0xCD,0xCC,0xE1,0xCF,0xDF,0xB9,0xCE,0x7E,0x00,
        0x01,0xE0,0x0F,0x3D,0xE3,0xBC,0x39,0xDD,0xDC,0x01,0xCF,0x1E,0x3B,0xCF,0x78,0x00,
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        0x00,0xF1,0xEF,0x3D,0xE3,0xBC,0x00,0xF8,0xF8,0xE1,0xCE,0x1C,0x3B,0xCF,0x70,0x00,
        0x00,0xFF,0xC7,0x39,0xF3,0x9C,0x38,0xF8,0xF8,0xE3,0xCE,0x1C,0x39,0xCE,0x77,0xF0,
        0x00,0x7F,0x87,0xF8,0xFF,0x9E,0x70,0xF8,0x78,0xFF,0xCE,0x1C,0x39,0xFE,0x72,0xF0,
        0x00,0x1F,0x01,0xE0,0x7B,0x87,0xC0,0x70,0x70,0x7D,0xCE,0x1C,0x38,0x78,0x72,0xD0,
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        0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
        0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,
        0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00,0x00
      };


/*************************************************************************************/

static void PWMSetup(void)

 {
  
 /* Variable Declarations */

 
 /* Begin Function PWMSetup() */
 
 RegBase->PWMPOL = 0xff;			/* output is high at the beginning of the period */
 RegBase->PWMCLK = 0xff;			/* use scaled clock A & B for all channels */
 RegBase->PWMPRCLK = 0x22;			/* /4 for clocks A & B */
 RegBase->PWMSCLA = 100;			/* prescaler * (PWMSCLA * 2) == 50000Hz clock into the PWM counter register */
 RegBase->PWMSCLB = 100;			/* prescaler * (PWMSCLB * 2) == 50000Hz clock into the PWM counter register */

 RegBase->PWMPER0 = 200;			/* period count of 200 allows 0.5% duty cycle control */
 RegBase->PWMPER1 = 200;
 RegBase->PWMPER2 = 200;			/* period count of 200 allows 0.5% duty cycle control */
 RegBase->PWMPER3 = 200;			/* period count of 200 allows 0.5% duty cycle control */
 RegBase->PWMPER4 = 200;			/* period count of 200 allows 0.5% duty cycle control */
 RegBase->PWMPER5 = 200;			/* period count of 200 allows 0.5% duty cycle control */
 RegBase->PWMPER6 = 200;			/* period count of 200 allows 0.5% duty cycle control */
 RegBase->PWMPER7 = 200;			/* period count of 200 allows 0.5% duty cycle control */

 RegBase->PWMDTY0 = 100;			/* set to 50% duty cycle */
 RegBase->PWMDTY1 = 100;
 RegBase->PWMDTY2 = 100;
 RegBase->PWMDTY3 = 100;
 RegBase->PWMDTY4 = 100;
 RegBase->PWMDTY5 = 100;
 RegBase->PWMDTY6 = 100;
 RegBase->PWMDTY7 = 100;
 
 RegBase->PWME = 0xf0;				/* enable PWM Ch. 0 - 7 */
 
}	/* end PWMSetup */

/*************************************************************************************/

static void TimerSetup(void)

 {
  
 /* Variable Declarations */

 
 /* Begin Function TimerSetup() */
 
 RegBase->TIOS = 0x03;		/* configure TC0 & TC1 as an output compare */
 RegBase->TSCR1 = 0xB0;		/* enable timer, freeze in BDM, fast flag clearing */
 
 RegBase->TSCR2 = 0x03;		/* prescaler :8 -> one tick is 200nS */
 
}	/* end TimerSetup */

/*************************************************************************************/

static void VFDSetup(void)

 {
  
 /* Variable Declarations */

 
 /* Begin Function VFDSetup() */
 
 RegBase->PORTT = 0x02;     /* initial value of BLK1 = 0, BLK2 = 1, LAT1/2/GLAT = 0, GBLK = 0 */
 RegBase->DDRT = 0x0f;      /* PortT pins 0 - 3 are outputs to the VF display */
 
 RegBase->PORTB |= 0x03;    /* PB0 = 1 (off, controls VFD 5V switcher), PB1 = 1 (off, controls VFD 55V switcher), PB2 = 0 (off, controls VFD filament supply)  */
 RegBase->DDRB |= 0x07;     /* make all 3 pins outputs */

 RegBase->PORTT |= 0xf0;    /* GDIC reset lines & chip selects initially at 1 */
 RegBase->DDRT |= 0xf0;     /* make PT4 - PT7 outputs */

 GridData[7] = 0x01;        /* initial VFD grid data is 0x8000000000000001 */
 GridData[0] = 0x80; 

 RegBase->MODRR = 0x60;     /* route SPI1 & SPI2 to PortH */

 RegBase->PORTB &= ~0x01;   /* turn on switched 5V supply */
 Delay_mSec(100);           /* wait 100 mS for switched 5V to ramp up */
 RegBase->PORTB |= 0x04;    /* turn on VFD filament supply */
 Delay_mSec(300);           /* wait 300 mS for filament supply to ramp up */
 RegBase->PORTB &= ~0x02;   /* turn on VFD HV supply */
 Delay_mSec(300);           /* wait 300 mS for HV supply to ramp up */

 SwLEDData.CurState = 0x00; /* assume no switches are pressed */
 RegBase->ATD1DIEN1 = 0xff; /* enable A/D channels 8 - 15 as digital inputs */
 
 RegBase->PORTS = 0x80;     /* for testing */
 RegBase->DDRS = 0x80;

}	/* end VFDSetup */

/*************************************************************************************/

static void SPI1Setup(void)

 {
  
 /* Variable Declarations */

 
 /* Begin Function SPI1Setup() */
 
 RegBase->SPI1.BR = 0x41;		/* setup for a 2 MHz SPI bus */
 RegBase->SPI1.CR1 = 0x5c;		/* SPE = 1; MSTR = 1; CPOL = 1; CPHA = 1 */
 
}	/* end SPI1Setup */

/*************************************************************************************/

static void SPI0Setup(void)

 {