SW006013 Microchip Technology, SW006013 Datasheet - Page 229

• Manufacturer Part Number: SW006013
• Description: MPLAB C Compiler For DsPIC DSCs
• Manufacturer: Microchip Technology
• Series: DsPIC30F/33Fr
• Type: MPLAB® C Compilerr

Specifications of SW006013

• Supported Families: DsPIC30F, DsPIC33F
• Core Architecture: DsPIC
• Kit Contents: Software And Docs
• Mcu Supported Families: DsPIC30F And DsPIC33F
• Tool Function: Compiler
• Tool Type: Compiler
• Processor Series: dsPIC
• Lead Free Status / RoHS Status: na
• For Use With/related Products: dSPIC DSCs
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

© 2008 Microchip Technology Inc.
_Q16sinSeries
Description:
Include:
Prototype:
Argument:
Return Value:
_Q16tan
Description:
Include:
Prototype:
Argument:
Return Value:
_Q16tanPI
Description:
Include:
Prototype:
Argument:
Return Value:
Generates the sine series with the given normalizing frequency f and
the given number of samples num starting from start. Stores the
result in buffer buf.
<libq.h>
short _Q16sinSeries(_Q16 f, short start, short num,
f
(2
32768. This argument represents the Normalizing frequency.
start a fixed point number in Q16 format, which ranges from 0 to
(2
This argument represents the Starting Sample number in the Sine
Series.
num
(2
This argument represents the Number of Sine Samples the function is
called to generate.
Note: num should not be more than 16383 for dsPIC and 32767 for PIC
devices.
buf
get copied into.
This function returns num, the number of generated sine samples.
This function finds the tangent of a Q16 value.
<libq.h>
_Q16 _Q16tan(_Q16 x);
x
ranges from -2147483648 to 2147483647.
This function returns the tangent of x in Q16 format. This value ranges
from-2147483648 to 2147483647.
This function finds the tangent of PI (π) times a Q16 value.
<libq.h>
_Q16 _Q16tanPI(_Q16 x);
x
ranges from -2147483648 to 2147483647.
This function returns the tangent of PI times x in Q16 format. This value
ranges from -2147483648 to 2147483647.
_Q16 *buf);
31
31
31
a fixed point number in Q16 format. The value of this argument
a fixed point number in Q16 format. The value of this argument
-1). The valid range of values for this argument is from -32768 to
-1). The valid range of values for this argument is from 1 to 32767.
-1). The valid range of values for this argument is from 1 to 32767.
a fixed point number in Q16 format, which ranges from 0 to
a fixed point number in Q16 format, which ranges from 0 to
a pointer to the buffer where the generated sine samples would
DS51456E-page 225