TMS320C6748: LCDKC6748 using Aic31 code

#include <stdio.h>
#include <stdint.h>
#include <math.h>
#include "lcdkC6748.h"
#include "aic31.h"
#include "Aic31_.h"


#define SAMPLE_RATE 48000
#define PI 3.14159265358979323846
#define Aic31_AC_IOCTL_REG_WRITE

uint32_t i;

void generateSineWave(float *buffer, uint32_t length, float frequency, float amplitude) {
  float deltaPhase = 2.0 * PI * frequency / SAMPLE_RATE;
  float phase = 0.0;

  for (i = 0; i < length; i++) {
    buffer[i] = sinf(phase) * amplitude;
    phase += deltaPhase;
  }
}


void storeArrayInRegister(float *array, uint32_t length) {
  /* Assuming we have a 32-bit register available */
  volatile uint32_t *registerPtr = (volatile uint32_t *)0xc0000000; // Replace 'address' with the actual register address
  for (i = 0; i < length; i++) {
    float value = array[i];
    *registerPtr = *(uint32_t *)&value; // Store the array value in the register
    registerPtr++; // Move to the next register location
  }
}

int main() {
  // initiating variables
  unsigned int baseAdd=0xc0000000;
  unsigned int mode=0xFFu;


  /* Initialize the LCDK board

  void BSP_Init(void);

  /* Initialize the AIC31 codec */
  AIC31DACInit(baseAdd);
  AIC31ADCInit(baseAdd);


  /* Configure the AIC31 codec */
  AIC31Reset(baseAdd);
  AIC31SampleRateConfig(baseAdd,mode,SAMPLE_RATE);
 

  /* Generate a sine wave with a frequency of 1kHz and amplitude of 0.5 */
  uint32_t numSamples = 24000; // 1 second at 48kHz sample rate
  float audioBuffer[numSamples];
  generateSineWave(audioBuffer, numSamples, 1000.0, 0.5);

  storeArrayInRegister(audioBuffer, numSamples);


  /* Output the sine wave to the AIC31 codec */
  while (1) {
    for (i = 0; i < numSamples; i++) {
      while (!Aic31_AC_IOCTL_REG_WRITE(audioBuffer[i])); // Wait for AIC31 codec to be ready
    }
  }
}