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# First time to write dsp code, please ask this section of code in CCS

dark_starcraft 注册会员
2023-02-27 10:13

This Code is written in the MATLAB language and requires some modifications to run in the Code Composer Studio(CCS) because CCS mainly supports C and assembly language. The following changes are required:
Declare variables, for example:

``````float Saf[3] = {a, b, c};
float Sbt[3] = {d, e, f};
float uaf, ubt, fp1, fp2, fp3, t1, t2, t3;

``````

1. Replace MATLAB's matrix index(e.g. Saf(1)) with C's array index(e.g. Saf[0]).

2. Replace the multiplication symbol of MATLAB( @) with the multiplication symbol of C language(*).

3. Use M_PI macro definition in math.h library instead of pi constant in MATLAB.

The modified code is as follows:

``````
#include

float Saf[3] = {a, b, c};
float Sbt[3] = {d, e, f};
float uaf, ubt, fp1, fp2, fp3, t1, t2, t3;

uaf = Saf[0];
ubt = Sbt[0];
fp1 = 2 * 5 * M_PI * uaf + 2 * 50 * M_PI * ubt;

uaf = Saf[1];
ubt = Sbt[1];
fp2 = 2 * 50 * M_PI * uaf + 2 * 50 * M_PI * ubt;

uaf = Saf[2];
ubt = Sbt[2];
fp3 = 2 * 50 * M_PI * uaf + 2 * 50 * M_PI * ubt;

t1 = fp1 + fp2 + fp3;
t2 = fp1 + fp2 - fp3;
t3 = 1 - t1 - t2;

``````

Note that you need to add #include < at the beginning of the program; math.h> To include the math.h library file. If you need to put this code into a CCS DSP program, you also need to pay attention to issues such as floating point precision and memory management.

cuiruxiang 注册会员
2023-02-27 10:13

For reference to GPT and your own ideas, here is an example code written in DSP code:

float Saf[3] = {a, b, c};
float Sbt[3] = {d, e, f};
float uaf, ubt;
float fp1, fp2, fp3;
float t1, t2, t3;

uaf = Saf[0]; ubt = Sbt[0];
fp1 = 2 * 50 * M_PI * uaf + 2 * 50 * M_PI * ubt;
uaf = Saf[1]; ubt = Sbt[1];
fp2 = 2 * 50 * M_PI * uaf + 2 * 50 * M_PI * ubt;
uaf = Saf[2]; ubt = Sbt[2];
fp3 = 2 * 50 * M_PI * uaf + 2 * 50 * M_PI * ubt;

t1 = fp1 + fp2 + fp3;
t2 = fp1 + fp2 - fp3;
t3 = 1 - t1 - t2;

In DSP code, note the following:

uses float type instead of the default double type in MATLAB;
Use M_PI instead of the pi constant in MATLAB;
does not need to declare functions, just write them in order; Variable names in the
code need to follow the DSP naming convention.

dingdh13 注册会员
2023-02-27 10:13

Little witch referred to bing and GPT part of the content write :
In CCS, when using DSP code, first according to their own needs to determine the required variable, define the type of variable, Such as integer, floating point, etc., and then define the value of the variable. The next step is to write DSP code, which is usually divided into two steps:

1. Write a function: first define the input and output parameters of the function, then design the logic code in the function according to the function function, and finally return the function.
2. Write the main function: define the desired variables in the main function and assign values, then call the previously defined function, and finally return the result of the function.
For example, to implement an addition operation:
``````int add(int a, int b)
{
int result = a + b;
return result;
}

int main()
{
int a = 10;
int b = 20;

printf("The result is %d\n", result);

return 0;
}
``````

The answer is not easy, so take it.

qa3601103 注册会员
2023-02-27 10:13

the reference answer GPT ᴼ ᴾ ᴱ ᴺ ᴬ ᴵ < br / > this code USES the MATLAB syntax, and there is no complete definition of variables and functions, thus cannot be directly transformed into DSP code. If you want to implement similar functionality on DSP, you need to consider the following aspects:

1. Understand the algorithms and implementation of MATLAB code in order to re-implement them.

2. Depending on your DSP hardware and development environment, choose the appropriate programming language and library.

3. Implement the algorithm into DSP code, and perform debugging and performance optimization as required.

If you need further help, please provide more information, such as the DSP hardware and development environment you are using, as well as the specific features and performance requirements to be implemented.

yuyang19831008 注册会员

Publish Time
2023-02-27 10:13
Update Time
2023-02-27 10:13