protected void Flush(i2c i)
{
if (block_mode)
{
Write(i, registers);
}
}
public void init(i2c i)
{
Write_byte(i, 2, 0xB8); // Y1_ST1 - Y1 enabled, Y1_ST0 - Y1 disabled to low
// Write_byte(i, 0x13, 0); // PLL1 Frequency Selection: predefined by PLL1_0 – Multiplier/Divider value
// PLL1 Multiplexer: PLL1,
// Output Y2 Multiplexer: Pdiv2
// Output Y3 Multiplexer: Pdiv3-Divider
// Y2Y3_ST1 - Y2/Y3 enabled, Y2Y3_ST0 - Y2/Y3 disabled to low
// Write_byte(i, 0x14, 0x6E);
y2y3_off(i);
}
public void Write_byte(i2c i, byte Command, byte Data)
{
if (block_mode)
{
registers[Command + 1] = Data;
}
else
{
Command |= 0x80;
Write(i, Command, Data);
}
}
public void set_y1_freq(i2c i, int freq)
{
i.RawWrite("cd");
Thread.Sleep(250);
i.RawWrite("cu");
// Write_byte(i, 0x13, 0); // PLL1 Frequency Selection: predefined by PLL1_0 – Multiplier/Divider value
int p, n1, q, r;
calc_koefs(freq);
Write_byte(i, 0x03, (byte)pdiv);
p = 4 - (int)(Math.Log(n / m) / Math.Log(2));
if (p < 0)
{
p = 0;
}
n1 = n << p;
q = n1 / m;
r = n1 - m * q;
byte b;
b = (byte)(n >> 4);
Write_byte(i, 0x18, b);
b = (byte)(((n & 0x0f) << 4) | (r >> 5));
Write_byte(i, 0x19, b);
b = (byte)(((r & 0x1f) << 3) | (q >> 3));
Write_byte(i, 0x1A, b);
if (f_vco < 125000)
{
b = 0;
}
else if (f_vco < 150000)
{
b = 1;
}
else if (f_vco < 175000)
{
b = 2;
}
else
{
b = 3;
}
b |= (byte)(((q & 7) << 5) | (p << 2));
Write_byte(i, 0x1B, b);
// Write_byte(i, 0x13, 1); // PLL1 Frequency Selection: predefined by PLL1_1 – Multiplier/Divider value
// Write_byte(i, 0x14, 0x6D);
Write_byte(i, 0x14, 0x6E);
Flush(i);
}
public void y2y3_off(i2c i)
{
Write_byte(i, 0x15, 1);
}
public void eeprom_write(i2c i)
{
Write_byte(i, 6, 0x41);
}
public void y2y3_on(i2c i)
{
Write_byte(i, 0x15, 2);
}
public void y1_off(i2c i)
{
Write_byte(i, 4, 1);
}
public void y1_on(i2c i)
{
Write_byte(i, 4, 2);
}
public void set_y3_div(i2c i, byte div)
{
div &= 0x7f;
Write_byte(i, 0x17, div);
}
protected void Write(i2c i, params byte[] data)
{
i.Write(device_address, data);
}
