void fileProcessing(void)
{
Int16 key;
if((taskList & FILEPROCESSING) == 0) return;
// key = EZDSP5535_SAR_getKey();
key = -1;
if(key == SW1)
if(FHandle == Not_Open_FILE) {
LCD_print("RECORDING......", 0);
FHandle = FileOpen("A:\\VOICE000.TXT", FILE_FLAGS_WRITE);
}
if(key == SW2)
if(FHandle != Not_Open_FILE) {
LCD_print("SAVE VOICE000.DAT", 0);
FileClose(FHandle);
AllCacheWriteBack();
FHandle = Not_Open_FILE;
}
// if (FHandle != Not_Open_FILE)
// FileWrite(&RfByte[2], number_of_bytes_per_frame, FHandle);
taskList &= ~FILEPROCESSING;
}
void acoral_flush(void)
{
acoral_u32 ret;
ret=acoral_mutex_pend(fs_mutex,0);
if(ret!=MUTEX_SUCCED)
return;
AllCacheWriteBack();
acoral_mutex_post(fs_mutex);
return;
}
acoral_32 acoral_close(acoral_32 fd)
{
acoral_u32 ret;
acoral_u8 fs_ret;
ret=acoral_mutex_pend(fs_mutex,0);
if(ret!=MUTEX_SUCCED)
return -1;
fs_ret=FileClose(fd);
AllCacheWriteBack();
acoral_mutex_post(fs_mutex);
if(fs_ret!=RETURN_OK)
return -1;
return 0;
}
void main(void)
{
Int16 *samples;
HANDLE FHandle = Not_Open_FILE;
Int16 *out_words = &rawOutWords[1];
Uint8 *byte16 = &RfByte[2];
Int16 mlt_coefs[DCT_LENGTH];
Int16 mag_shift[2];
Int16 old_mag_shift[2];
Uint16 number_of_bits_per_frame;
Uint16 number_of_bytes_per_frame;
Uint16 number_of_16bit_words_per_frame;
Int16 offset;
Int16 key;
Uint16 chn; // left and right channel, 0 or 1
Int16 sent_buffer_cnt = 0;
Uint8 *sent_buffer;
ICR = 0xff2e; /* IDLE Control Register */
/* mem port, io port and cpu idle active */
DSP_zero(xmt_l, DCT_LENGTH);
DSP_zero(xmt_r, DCT_LENGTH);
/* Peripheral_Reset */
CSL_SYSCTRL_REGS->PSRCR = 0x0020;
CSL_SYSCTRL_REGS->PCGCR1 = 0x0000;
CSL_SYSCTRL_REGS->PCGCR2 = 0x0000;
CSL_SYSCTRL_REGS->PRCR = 0x00bf;
CSL_SYSCTRL_REGS->EBSR = (CSL_SYS_EBSR_PPMODE_MODE1 << 12)
| (0 << 8) | (2 << 10);//GPIO(11-6)
asm(" bit(ST1, #ST1_INTM) = #1");
number_of_bits_per_frame = (Uint16)(BITRATE * 20); // BITRATE in kbps
number_of_bytes_per_frame = (Uint16)(number_of_bits_per_frame>>3);
number_of_16bit_words_per_frame = (Uint16)(number_of_bits_per_frame>>4);
INTR_init();
PLL_init();
TIMER_init();
EZDSP5535_GPIO_init();
DMA_audio_init(DCT_LENGTH);
EZDSP5535_I2C_init(); /* Initialize I2C */
aic3204_init(6); /* Initialize codec */
EZDSP5535_LCD_init();
EZDSP5535_I2S_init(); /* Initialize I2S */
LCD_print("G722.1 Send ", 17, 0);
LCD_print("16kbps ", 8, 1);
EZDSP5535_SPI_init();
Si446x_Init();
EZDSP5535_SAR_init();
DiskInit();
FileInit();
AddFileDriver(SDCammand, NULL);
sam2coef_init();
coef2sam_init();
rawOutWords[0] = 0x6b21;
RfByte[0] = 0x21; RfByte[1] = 0x6b; // little-endian
old_mag_shift[0] = 0;
old_mag_shift[1] = 0;
asm(" bit(ST1, #ST1_INTM) = #0");
SpiWriteByte(CMD_GET_INT_STATUS, 0); // clear interrupt pending
while(1) {
if(pingpong >= 0) {
offset = (pingpong>>1) * DCT_LENGTH;
/*******************************************************************
* LEFT LEFT LEFT LEFT LEFT LEFT LEFT LEFT LEFT LEFT LEFT LEFT
*******************************************************************/
chn = LEFT;
samples = &rcv_l[offset]; // Read frame of samples from mem.
// Convert input samples to rmlt coefs
mag_shift[chn] = samples_to_rmlt_coefs(samples, mlt_coefs, chn);
// Encode the mlt coefs
encoder(number_of_bits_per_frame, mlt_coefs, mag_shift[chn], out_words);
byte16 = &RfByte[2];
byte16[-2] = 0x6b; byte16[-1] = 0x20;
DSP_word2byte(byte16, out_words, number_of_16bit_words_per_frame);
// process the out_words into decoder_mlt_coefs
decoder(out_words, mlt_coefs, &mag_shift[chn], &old_mag_shift[chn]);
samples = &xmt_l[offset]; // Write frame of output samples
// convert the decoder_mlt_coefs to samples
rmlt_coefs_to_samples(mlt_coefs, samples, mag_shift[chn], chn);
/*******************************************************************
* RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT RIGHT
*******************************************************************/
chn = RIGHT;
samples = &rcv_r[offset]; // Read frame of samples from mem.
// Convert input samples to rmlt coefs
mag_shift[chn] = samples_to_rmlt_coefs(samples, mlt_coefs, chn);
// Encode the mlt coefs
encoder(number_of_bits_per_frame, mlt_coefs, mag_shift[chn], out_words);
byte16 = &RfByte[number_of_bytes_per_frame + 4];
byte16[-2] = 0x6b; byte16[-1] = 0x21;
DSP_word2byte(byte16, out_words, number_of_16bit_words_per_frame);
// process the out_words into decoder_mlt_coefs
decoder(out_words, mlt_coefs, &mag_shift[chn], &old_mag_shift[chn]);
samples = &xmt_r[offset]; // Write frame of output samples
// convert the decoder_mlt_coefs to samples
rmlt_coefs_to_samples(mlt_coefs, samples, mag_shift[chn], chn);
if (FHandle != Not_Open_FILE) // Write output bitstream
FileWrite(RfByte, 2*number_of_bytes_per_frame+4, FHandle);
pingpong = -1;
sent_buffer = RfByte;
sent_buffer_cnt = 0;
}
if(spiIsrStatus == 1) {
bApi_Set_Send(43);
spiIsrStatus = 0;
}
if(sent_buffer_cnt < 2) {
if(gpioIsrStatus == 1) {
SPI_sendData(sent_buffer, number_of_bytes_per_frame+2);
sent_buffer += number_of_bytes_per_frame+2;
sent_buffer_cnt++;
gpioIsrStatus = 0;
CSL_GPIO_REGS->IOINTFLG1 = 0x0800;
}
}
// key = EZDSP5535_SAR_getKey();
key = -1;
if(key == SW1)
if(FHandle == Not_Open_FILE)
{
LCD_print("RECORDING......", 15, 0);
FHandle = FileOpen("A:\\VOICE000.TXT", FILE_FLAGS_WRITE);
}
if(key == SW2)
if(FHandle != Not_Open_FILE)
{
LCD_print("SAVE VOICE000.DAT", 17, 0);
FileClose(FHandle);
AllCacheWriteBack();
FHandle = Not_Open_FILE;
}
asm(" idle");
}
