/* Private functions ---------------------------------------------------------*/
int32_t getDataCB(int16_t *pBuff, int32_t length)
{
q15_t rms;
UINT bytesread = 0;
f_read(&FileRead, pBuff, length*sizeof(int16_t), (void *)&bytesread);
audioFilter_filter(pBuff, pBuff, bytesread/sizeof(int16_t));
arm_rms_q15(pBuff,bytesread/sizeof(int16_t),&rms);
printf("valor rms: %u \n",rms);
if(rms>1000){
if((conteo<5)&(led3on==0)){
if(TickTock_Get() > 700000){
TickTock_Start();
BSP_LED_On(LED6);
conteo++;
primpulso=0;
}
}else if((conteo==5) & (TickTock_Get() > 800000)){
TickTock_Start();
BSP_LED_On(LED3);
primpulso=1;
conteo=0;
led3on=1;
}
}else{
LEDsState = LEDS_OFF;
led3on=0;
}
return bytesread;
}
/**
* @brief Starts Wave player.
* @param None
* @retval None
*/
void WavePlayerStart(WAVE_FormatTypeDef waveformat,
WavePlayer_getDataCB_type getDataCB,
uint8_t volume)
{
int32_t bytesread = 0;
int32_t length;
int16_t *pBuf = NULL;
uint32_t AudioRemSize = 0;
uint32_t WaveDataLength = 0;
int16_t ValorEficaz = 0;
int16_t Contador = 0;
int16_t Bandera = 0;
uint32_t tickcontar = 0;
/* Set WaveDataLenght to the Speech Wave length */
WaveDataLength = waveformat.FileSize;
AudioRemSize = WaveDataLength - sizeof(WAVE_FormatTypeDef);
/* Initialize Wave player (Codec, DMA, I2C) */
if (BSP_AUDIO_OUT_Init(OUTPUT_DEVICE_AUTO, volume, waveformat.SampleRate) != 0)
{
Error_Handler();
}
/* Start playing Wave */
BSP_AUDIO_OUT_Play((uint16_t*)&Audio_BufferStereo[0], sizeof(Audio_BufferStereo));
LEDsState = LED6_TOGGLE;
/* Toggling LED6 to signal Play */
LEDsState = LED6_TOGGLE;
LEDsState = LEDS_OFF;
/* Resume playing Wave */
BSP_AUDIO_OUT_Resume();
if (CHANNEL_MONO == waveformat.NbrChannels)
{
length = AUDIO_BUFFER_STEREO_LENGTH/4;
}
else
{
length = AUDIO_BUFFER_STEREO_LENGTH/2;
}
while (AudioRemSize > 0)
{
if (BUFFER_OFFSET_HALF == BufferOffset)
{
pBuf = &Audio_BufferStereo[0];
}
if (BUFFER_OFFSET_FULL == BufferOffset)
{
pBuf = &Audio_BufferStereo[AUDIO_BUFFER_STEREO_LENGTH/2];
}
if (NULL != pBuf)
{
bytesread = getDataCB(pBuf, length);
arm_rms_q15(pBuf, length, &ValorEficaz);
// printf("Valor Eficaz = %d\r\n", ValorEficaz);
// 0x03E8 Hexadecimal = 1000 Decimal
// se comprobo con la salida printf("Valor Eficaz = %d\r\n", ValorEficaz);
// que los valores de los tonos de 1 KHz tenian un valor eficaz superior
// a 1000.
if (ValorEficaz > 0x03E8) {
Bandera = 1;
Contador = Contador + 1;
}
else { if (Bandera == 1) {
Bandera = 2;
}
}
BSP_LED_Off(LED3);
BSP_LED_Off(LED6);
if (Bandera == 2) {
Bandera = 0;
if (Contador > 10) {
BSP_LED_On(LED3);
Contador = 0;
if (firstfind == 0)
{
firstfind = 1;
}
} else {
BSP_LED_On(LED6);
Contador = 0;
}
}
if (firstfind != 0 )
{
tickcontar = HAL_GetTick();
if (firstfind == 1)
{
tickstart = tickcontar;
firstfind = 2;
}
if ((tickcontar - tickstart) > T60SEG)
{
tickstart=tickcontar;
}
if ((tickcontar - tickstart) <= T1SEG)
{
BSP_LED_On(LED5);
}
else
{
BSP_LED_Off(LED5);
}
}
if (CHANNEL_MONO == waveformat.NbrChannels)
{
convertToStereo(pBuf, pBuf, length);
}
BufferOffset = BUFFER_OFFSET_NONE;
pBuf = NULL;
if (bytesread <= 0)
{
AudioRemSize = 0;
}
else
{
AudioRemSize -= bytesread;
if (AudioRemSize < (length*2))
{
AudioRemSize = 0;
}
}
}
}
BSP_LED_Off(LED3);
BSP_LED_Off(LED6);
// LEDsState = LEDS_OFF;
BSP_AUDIO_OUT_Stop(CODEC_PDWN_HW);
}
