Exemplo n.º 1
0
// Trim DAC write
void dac_write( uint16_t val ) {
//    alt_printf( "DAC Writing: %x\n", val ) ;
    uint8_t data[3] ;
    data[0] = 0x28, data[1] = 0, data[2] = 0 ;
    alt_avalon_spi_command( SPI_1_BASE, 0, 3, data, 0, 0, 0 ) ;
    data[0] = 0x08, data[1] = (val>>8)&0xff, data[2] = val&0xff  ;
    alt_avalon_spi_command( SPI_1_BASE, 0, 3, data, 0, 0, 0) ;
    return ;
}
Exemplo n.º 2
0
static void demo_showinputs(void)
{
	int channel;
	alt_u8 temp[4] = {0};
	char text[64];
	lcd_rect(0, 0, LCD_WIDTH, LCD_HEIGHT, COLOR_WHITE);
	do
	{
		strcpy(text,
				"GPIO0 = 0\r\n"	// 8
				"GPIO1 = 0\r\n"	// 19
				"GPI2  = 0\r\n");	// 30
		temp[0] = gpio_lcd_readall();
		text[ 8] += (temp[0] >> 0) & 1;
		text[19] += (temp[0] >> 1) & 1;
		text[30] += (IORD_ALTERA_AVALON_PIO_DATA(PIO_GPIO2IN_BASE) >> 2) & 1;
		lcd_puts(text, 10, 10, COLOR_BLACK, COLOR_WHITE);

		strcpy(text, "AIN0  = 0x--- (with *P driver)");
		temp[0] = temp[1] = 0;

		for(channel = 0; channel < 8; ++channel)
		{
			if(channel < 4)
				text[13] = 0;
			else if(channel < 6)
			{
				// Drive YP and YN
				gpio_lcd_reg_modify(REG_OLAT, (1<<LCD_GPIO_YN), (1<<LCD_GPIO_YP));
				gpio_lcd_reg_modify(REG_IODIR, (1<<LCD_GPIO_YN)|(1<<LCD_GPIO_YP), 0);
				text[13] = ' ';
				text[20] = 'Y';
			}
			else
			{
				// Drive XP and XN
				gpio_lcd_reg_modify(REG_OLAT, (1<<LCD_GPIO_XN), (1<<LCD_GPIO_XP));
				gpio_lcd_reg_modify(REG_IODIR, (1<<LCD_GPIO_XN)|(1<<LCD_GPIO_XP), 0);
				text[13] = ' ';
				text[20] = 'X';
			}
			temp[0] = (channel << 3);
			alt_avalon_spi_command(SPIM_ADC_BASE, 0, 2, temp, 2, temp + 2, 0);

			if(channel >= 4)
			{
				// Turn off X/Y driver
				gpio_lcd_reg_modify(REG_IODIR, 0, (1<<LCD_GPIO_XN)|(1<<LCD_GPIO_XP)|
						(1<<LCD_GPIO_YN)|(1<<LCD_GPIO_YP));
			}

			text[3] = '0' + channel;
			text[10] = tohex[(temp[2] >> 0) & 0xf];
			text[11] = tohex[(temp[3] >> 4) & 0xf];
			text[12] = tohex[(temp[3] >> 0) & 0xf];
			lcd_puts(text, 10, 60 + 10 * channel, COLOR_BLACK, COLOR_WHITE);
		}
	}
	while(DEMO_MODE() == DEMO_SHOWINPUTS);
}
Exemplo n.º 3
0
// SPI Read
void lms_spi_read( uint8_t address, uint8_t *val )
{
    uint8_t rv ;
    if( address > 0x7f )
    {
//        alt_printf( "Invalid read address: %x\n", address ) ;
    } else {
        alt_avalon_spi_command( SPI_0_BASE, 0, 1, &address, 0, 0, ALT_AVALON_SPI_COMMAND_MERGE ) ;
        rv = alt_avalon_spi_command( SPI_0_BASE, 0, 0, 0, 1, val, 0 ) ;
        if( rv != 1 )
        {
//            alt_putstr( "SPI data read did not work :(\n") ;
        }
    }
    if( LMS_VERBOSE )
    {
//        alt_printf( "r-addr: %x data: %x\n", address, *val ) ;
    }
    return ;
}
Exemplo n.º 4
0
void spiAnalog(alt_u8 *read_data)
{
	alt_u32 slave, write_length, read_length, flags;
	const alt_u8 *write_data = 0;

	flags = 0;
	read_length = 2;	//2 Bytes lesen
	slave = 0;
	write_length = 1;	//1 Byte schreiben

	alt_avalon_spi_command(SPI_BASE, slave, write_length, write_data, read_length, read_data, flags);
}
Exemplo n.º 5
0
// SPI Write
void lms_spi_write( uint8_t address, uint8_t val )
{
    if( LMS_VERBOSE )
    {
//        alt_printf( "w-addr: %x data: %x\n", address, val ) ;
    }
    /*if( address > 0x7f )
    {
        alt_printf( "Invalid write address: %x\n", address ) ;
    } else*/ {
        uint8_t data[2] = { address |= LMS_WRITE, val } ;
        alt_avalon_spi_command( SPI_0_BASE, 0, 2, data, 0, 0, 0 ) ;
    }
    return ;
}
Exemplo n.º 6
0
static int TestEpcs(void) {
	alt_u8 writebuf[8];
	alt_u8 readbuf[8];

	writebuf[0] = 0xab;		// OPCODE 
	writebuf[1] = 0xff;		// dummy byte 
	writebuf[2] = 0xff;		// dummy byte 
	writebuf[3] = 0xff;		// dummy byte 

	alt_avalon_spi_command(
			EPCS_SPI_BASE, 0,
			4, writebuf,
			1, readbuf,
			0);

	printf("EPCS Silicon ID = 0x%02X\n", readbuf[0]);

	return 0;
}
Exemplo n.º 7
0
// Transverter write
void adf4351_write( uint32_t val ) {
    union {
        uint32_t val;
        uint8_t byte[4];
    } sval;

    uint8_t t;
    sval.val = val;

    t = sval.byte[0];
    sval.byte[0] = sval.byte[3];
    sval.byte[3] = t;

    t = sval.byte[1];
    sval.byte[1] = sval.byte[2];
    sval.byte[2] = t;

    alt_avalon_spi_command( SPI_1_BASE, 1, 4, &sval.val, 0, 0, 0 ) ;
    return ;
}
Exemplo n.º 8
0
void camera_init(alt_u32 SPI_BASE) {

	alt_u8 sentwrite[2];
	alt_u8 received = 0;

	sentwrite[1] = 44;
	sentwrite[0] = 103 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 4;
	sentwrite[0] = 84 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 1;
	sentwrite[0] = 85 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 64;
	sentwrite[0] = 88 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 64;
	sentwrite[0] = 91 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 101;
	sentwrite[0] = 94 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 109;
	sentwrite[0] = 98 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 109;
	sentwrite[0] = 99 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 106;
	sentwrite[0] = 95 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 1;
	sentwrite[0] = 117 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 1;
	sentwrite[0] = 115 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 7;
	sentwrite[0] = 82 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	//adjusting registers for optimal performance
	sentwrite[1] = 44; //req:44, valid:40-55
	sentwrite[0] = 103 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 109; //req:109, valid:102-115
	sentwrite[0] = 98 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	sentwrite[1] = 109; //req:109, valid:102-115
	sentwrite[0] = 99 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	//channel mode 0=16 channels; 1=8 channels; 2=4 channels; 3=2 channels
	sentwrite[1] = 2;
	sentwrite[0] = 72 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	//	request amount of frames
	sentwrite[1] = 10;
	sentwrite[0] = 70 | 0x80;

	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);
//
	//	training pattern 1
	sentwrite[1] = 0x00; //0b01010101
	sentwrite[0] = 78 | 0x80;

	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

	//	training pattern 2
	sentwrite[1] = 0x02;
	sentwrite[0] = 79 | 0x80;

	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);
//
//	//number of lines 1 255
//	sentwrite[1] = 0x30; //0x40
//	sentwrite[0] = 1 | 0x80;
//	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);
//
//	//number of lines 2 1
//	sentwrite[1] = 0x04; //0x04
//	sentwrite[0] = 2 | 0x80;
//	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);
////
//	//start row window 1
//	sentwrite[1] = 0x00; //0x00
//	sentwrite[0] = 3 | 0x80;
//	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);
//
//	//start row window 2
//	sentwrite[1] = 0x00; //0x00
//	sentwrite[0] = 4 | 0x80;
//	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);
//
//	// row skip 1
//	sentwrite[1] = 0x00; //0x00
//	sentwrite[0] = 35 | 0x80;
//	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);
//
//	// row skip 2
//	sentwrite[1] = 0x00; //0x00
//	sentwrite[0] = 37 | 0x80;
//	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);


	//bit mode
	sentwrite[1] = 0x01;
	sentwrite[0] = 111 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);


	//	image flipping x/y
	sentwrite[1] = 0x01; //0x01: image flipping x
	sentwrite[0] = 40 | 0x80;
	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

//	//	exposure time 1
//	sentwrite[1] = 0x00; //0x40
//	sentwrite[0] = 42 | 0x80;
//	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);
//
//	//	exposure time 2
//	sentwrite[1] = 0x04; //0x04
//	sentwrite[0] = 43 | 0x80;
//	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);
//
//	//	exposure time 3
//	sentwrite[1] = 0x00; //0x00
//	sentwrite[0] = 44 | 0x80;
//	alt_avalon_spi_command(SPI_BASE, 0, 2, sentwrite, 0, &received, 0);

}