void codec_reg_set(uint16_t num, uint16_t val)
{
val &= 0x1ff;
while(!MCBSP_xrdy(mcbspControlHandle));
MCBSP_write(mcbspControlHandle, (num << 9) | val);
while(!MCBSP_xrdy(mcbspControlHandle));
}
/*
* Helper function to write aic23 registers
*/
static void set_aic23_register(MCBSP_Handle hMcbsp, Uint16 reg, Uint16 val) {
val &= 0x1ff;
//LOG_printf(&LOG0, "Transmit data: %d", (reg<<9) | val);
while(!MCBSP_xrdy(hMcbsp));
MCBSP_write(hMcbsp, (reg<<9) | val);
while (MCBSP_xrdy(hMcbsp));
}
// for out to Left and Right channels
void output_sample(int out_data) {
short CHANNEL_data;
// clear data structure
AIC_data.uint=0;
// 32-bit data -->data structure
AIC_data.uint=out_data;
/********************************************************************************
* The existing interface defaults to right channel. To default instead to the
* left channel and use output_sample(short), left and right channels are swapped
* In main source program use LEFT 0 and RIGHT 1 (opposite of what is used here)
********************************************************************************/
// swap left and right channels
CHANNEL_data=AIC_data.channel[RIGHT];
AIC_data.channel[RIGHT]=AIC_data.channel[LEFT];
AIC_data.channel[LEFT]=CHANNEL_data;
// if ready to transmit
if (poll) while(!MCBSP_xrdy(DSK6713_AIC23_DATAHANDLE));
// write/output data
MCBSP_write(DSK6713_AIC23_DATAHANDLE,AIC_data.uint);
}
static void DEBUG_putb_flush()
{
int i = 0;
while (i < putb_index) {
while (!MCBSP_xrdy(C55XX_UART_hMcbsp));
MCBSP_write32(C55XX_UART_hMcbsp, putb_data[i++]);
}
putb_index = 0;
}
unsigned char spiTransferByte(unsigned char arg_byte)
{
unsigned char i;
MCBSP_write(C55XX_SPI_hMcbsp, arg_byte);
while (!MCBSP_xrdy(C55XX_SPI_hMcbsp));
i = MCBSP_read(C55XX_SPI_hMcbsp);
#if 0
if (arg_byte == 0 && i == 0) hpprintf ("*"); else
hpprintf("(%x)=%x\n", arg_byte, i);
#endif
return i;
}
//for output from right channel
void output_right_sample(short out_data) {
// clear data structure
AIC_data.uint=0;
// data from Right channel -->data structure
AIC_data.channel[RIGHT]=out_data;
// if ready to transmit
if (poll) while(!MCBSP_xrdy(DSK6713_AIC23_DATAHANDLE));
// output right channel
MCBSP_write(DSK6713_AIC23_DATAHANDLE,AIC_data.uint);
}
static void set_aic23_register(MCBSP_Handle hMcbsp,unsigned short regnum, unsigned short regval)
{
/* Programmierung erfolgt so, dass in B[15:9] die Registernummer steht und
in B[8:0] die zu schreibenden Daten */
/* zur Sicherheit maskieren auf 9 Bit */
regval &= 0x1ff;
//regnum &= 0x07f;
/* warten */
while (!MCBSP_xrdy(hMcbsp));
/* schreiben */
MCBSP_write(hMcbsp, (regnum << 9) | regval);
}
unsigned char if_spiSend(hwInterface *iface, euint8 outgoing)
{
unsigned char r;
/* while((*(unsigned volatile long*)McBSP0_SPCR & 0x20000)==0);
*(unsigned volatile char*)McBSP0_DXR=outgoing;
while(((*(unsigned volatile long*)McBSP0_SPCR & 0x2)==0));
r=*(unsigned volatile char*)McBSP0_DRR; */
while(!MCBSP_xrdy(iface->port->hBsp));
MCBSP_write(iface->port->hBsp,outgoing);
while(!MCBSP_rrdy(iface->port->hBsp));
r=MCBSP_read(iface->port->hBsp);
return(r);
}
void spiStartTransfer(void)
{
while (!MCBSP_xrdy(C55XX_SPI_hMcbsp));
_GPIO_IODATA &= ~(GPIO_ZIGBEE);
}
void codec_reset()
{
while(!MCBSP_xrdy(mcbspControlHandle));
MCBSP_write(mcbspControlHandle, (15 << 9) | 0);
while(!MCBSP_xrdy(mcbspControlHandle));
}
