This thread has been locked.

If you have a related question, please click the "Ask a related question" button in the top right corner. The newly created question will be automatically linked to this question.

DSPI-3P-DSPVOIPCODECS: Ambient Controller

Part Number: DSPI-3P-DSPVOIPCODECS

Tool/software:

Using code composer studio float to byte conversion is not supporting. The example is below The project settings for floating point support is fpu32.

Example 1:

uint8_t msg[4] = { 0x00, 0x40, 0x1C, 0x47 };uint8_t msg[4] = { 0x00, 0x40, 0x1C, 0x47 };

union {
char c[4];
float f;
} u;
u.c[3] = msg[3];
u.c[2] = msg[2];
u.c[1] = msg[1];
u.c[0] = msg[0];

printf("Float value: %f\n", u.f); // The expected float value is 40000.  But the results is "0"

Exaple2:

union {
float f;
unsigned int i;
} data;

// Copy the bytes to the integer member of the union
data.i = (msg[3] << 24) | (msg[2] << 16) | (msg[1] << 8) | msg[0];

printf("Float value: %f\n", data.f);/ The expected float value is 40000.  But the results is "0"

The same code working with visual studio is perfect. I mean the results are expected(40000)