uint32_t pdca_init_channel(uint8_t pdca_ch_number,
const pdca_channel_options_t *opt)
{
/* get the correct channel pointer */
volatile avr32_pdca_channel_t *pdca_channel = pdca_get_handler(
pdca_ch_number);
pdca_disable_interrupt_transfer_complete(pdca_ch_number);
pdca_disable_interrupt_reload_counter_zero(pdca_ch_number);
irqflags_t flags = cpu_irq_save();
pdca_channel->mar = (uint32_t)opt->addr;
pdca_channel->tcr = opt->size;
pdca_channel->psr = opt->pid;
pdca_channel->marr = (uint32_t)opt->r_addr;
pdca_channel->tcrr = opt->r_size;
pdca_channel->mr =
#if (AVR32_PDCA_H_VERSION >= 120)
opt->etrig << AVR32_PDCA_ETRIG_OFFSET |
#endif
opt->transfer_size << AVR32_PDCA_SIZE_OFFSET;
pdca_channel->cr = AVR32_PDCA_ECLR_MASK;
pdca_channel->isr;
cpu_irq_restore(flags);
return PDCA_SUCCESS;
}
__interrupt
#endif
static void lin_pdca_int_rx_handler_node1(void)
{
U8 index = 0;
U8 l_handle = 0xFF;
// Check ID Value for the current message
for(index = 0; index < NUMBER_OF_LIN_FRAMES_NODE1; index ++)
{
if(lin_descript_list_node1[index].l_id == usart_lin_get_id_char(usart_lin_node1))
{
l_handle = index;
break;
}
}
// Check if the ID received is registered into the lin description list
if (l_handle!=0xFF)
{
if (pdca_get_transfer_status(USART_LIN_NODE1_RX_PDCA_CHANNEL)&PDCA_TRANSFER_COMPLETE)
{
pdca_disable_interrupt_transfer_complete(USART_LIN_NODE1_RX_PDCA_CHANNEL);
lin_get_response (1,lin_descript_list_node1[l_handle].l_pt_data);
// Start of the associated task
lin_descript_list_node1[l_handle].l_pt_function(lin_descript_list_node1[l_handle].l_pt_data);
lin_handle_node1 = 0xFF; // End of communication
}
}
}
void aic23b_dac_flush(void)
{
pdca_disable_interrupt_transfer_complete(AIC23B_SSC_TX_PDCA_CHANNEL);
pdca_disable_interrupt_reload_counter_zero(AIC23B_SSC_TX_PDCA_CHANNEL);
while (!(pdca_get_transfer_status(AIC23B_SSC_TX_PDCA_CHANNEL) &
PDCA_TRANSFER_COMPLETE));
}
/*! \brief Flushes the sample buffer being output to the ABDAC.
*/
void tpa6130_dac_flush(void)
{
pdca_disable_interrupt_transfer_complete(TPA6130_ABDAC_PDCA_CHANNEL);
pdca_disable_interrupt_reload_counter_zero(TPA6130_ABDAC_PDCA_CHANNEL);
/*TODO Do we really want to wait here? Or do we just don't care when
* the buffer is empty/flushed */
//while(!pdca_get_transfer_status(TPA6130_ABDAC_PDCA_CHANNEL) &
// PDCA_TRANSFER_COMPLETE);
pdca_disable (TPA6130_ABDAC_PDCA_CHANNEL );
pdca_load_channel (TPA6130_ABDAC_PDCA_CHANNEL,0x0, 0);
pdca_reload_channel(TPA6130_ABDAC_PDCA_CHANNEL,0x0, 0);
pdca_enable (TPA6130_ABDAC_PDCA_CHANNEL );
}
ISR(tpa6130_abdac_tx_pdca_int_handler, TPA6130_ABDAC_PDCA_IRQ_GROUP, TPA6130_ABDAC_PDCA_INT_LEVEL)
{
if (pdca_get_transfer_status(TPA6130_ABDAC_PDCA_CHANNEL) & PDCA_TRANSFER_COMPLETE)
{
pdca_disable_interrupt_transfer_complete(TPA6130_ABDAC_PDCA_CHANNEL);
if (tpa6130_output_param.callback_opt & AUDIO_DAC_OUT_OF_SAMPLE_CB)
tpa6130_output_param.callback(AUDIO_DAC_OUT_OF_SAMPLE_CB);
}
if (pdca_get_transfer_status(TPA6130_ABDAC_PDCA_CHANNEL) & PDCA_TRANSFER_COUNTER_RELOAD_IS_ZERO)
{
pdca_disable_interrupt_reload_counter_zero(TPA6130_ABDAC_PDCA_CHANNEL);
if (tpa6130_output_param.callback_opt & AUDIO_DAC_RELOAD_CB)
tpa6130_output_param.callback(AUDIO_DAC_RELOAD_CB);
}
}
static void pdca_int_handler_i2c0(void)
{
AVR32_TWIM0.cr = AVR32_TWIM_CR_MDIS_MASK;
pdca_disable(TWI0_DMA_CH);
pdca_disable_interrupt_transfer_complete(TWI0_DMA_CH);
// call callback function to process data, at end of transfer
// to process data, and maybe add some more data
schedule[0][current_schedule_slot[0]].transfer_in_progress = 0;
if (schedule[0][current_schedule_slot[0]].callback)
{
schedule[0][current_schedule_slot[0]].callback;
}
print_util_dbg_print( "!");
}
__interrupt
#endif
static void aic23b_ssc_rx_pdca_int_handler(void)
{
if (pdca_get_transfer_status(AIC23B_SSC_RX_PDCA_CHANNEL) & PDCA_TRANSFER_COMPLETE)
{
pdca_disable_interrupt_transfer_complete(AIC23B_SSC_RX_PDCA_CHANNEL);
if (aic23b_output_params.callback_opt & AUDIO_ADC_OUT_OF_SAMPLE_CB)
aic23b_output_params.callback(AUDIO_ADC_OUT_OF_SAMPLE_CB);
}
if (pdca_get_transfer_status(AIC23B_SSC_RX_PDCA_CHANNEL) & PDCA_TRANSFER_COUNTER_RELOAD_IS_ZERO)
{
pdca_disable_interrupt_reload_counter_zero(AIC23B_SSC_RX_PDCA_CHANNEL);
if (aic23b_output_params.callback_opt & AUDIO_ADC_RELOAD_CB)
aic23b_output_params.callback(AUDIO_ADC_RELOAD_CB);
}
}
__interrupt
#endif
static void ms3_ssc_tx_pdca_int_handler(void)
{
if (pdca_get_transfer_status(MS3_SSC_TX_PDCA_CHANNEL) & PDCA_TRANSFER_COMPLETE)
{
pdca_disable_interrupt_transfer_complete(MS3_SSC_TX_PDCA_CHANNEL);
if (ms3_output_params.callback_opt & AUDIO_DAC_OUT_OF_SAMPLE_CB)
ms3_output_params.callback(AUDIO_DAC_OUT_OF_SAMPLE_CB);
}
if (pdca_get_transfer_status(MS3_SSC_TX_PDCA_CHANNEL) & PDCA_TRANSFER_COUNTER_RELOAD_IS_ZERO)
{
pdca_disable_interrupt_reload_counter_zero(MS3_SSC_TX_PDCA_CHANNEL);
if (ms3_output_params.callback_opt & AUDIO_DAC_RELOAD_CB)
ms3_output_params.callback(AUDIO_DAC_RELOAD_CB);
}
}
__interrupt
#endif
static void pdca_int_handler(void)
{
// Disable all interrupts.
Disable_global_interrupt();
// Disable interrupt channel.
pdca_disable_interrupt_transfer_complete(AVR32_PDCA_CHANNEL_SPI_RX);
sd_mmc_spi_read_close_PDCA();//unselects the SD/MMC memory.
wait();
// Disable unnecessary channel
pdca_disable(AVR32_PDCA_CHANNEL_SPI_TX);
pdca_disable(AVR32_PDCA_CHANNEL_SPI_RX);
// Enable all interrupts.
Enable_global_interrupt();
end_of_transfer = true;
}
static void irq_pdca(void) {
// Disable all interrupts.
// Disable_global_interrupt();
cpu_irq_disable();
// Disable interrupt channel.
pdca_disable_interrupt_transfer_complete(AVR32_PDCA_CHANNEL_SPI_RX);
//unselects the SD/MMC memory.
sd_mmc_spi_read_close_PDCA();
//.... example has a 5000 clock gimpy delay here.
// using delay_us instead
delay_ms(10);
// delay_ms(2);
// Disable unnecessary channel
pdca_disable(AVR32_PDCA_CHANNEL_SPI_TX);
pdca_disable(AVR32_PDCA_CHANNEL_SPI_RX);
// Enable all interrupts.
cpu_irq_enable();
// Enable_global_interrupt();
// print_dbg("\r\n handled PDCA interrupt. \r\n");
fsEndTransfer = true;
}
__interrupt
#endif
static void pdca_interrupt_handler(void)
{
pdca_disable_interrupt_transfer_complete(pdca_channel_usart);
*((unsigned int *) pbuffer_w) = 1;
// Point on the next buffer
pbuffer_w += block_size;
if (pbuffer_w + block_size >= buffer + BUFFER_SIZE)
pbuffer_w = buffer;
// If the next buffer is invalid, make an acquisition of the new data
if (!*((unsigned int *) pbuffer_w))
{
// If the buffer is invalidate, fill it with new data;
get_new_block = 1;
fill_activ = 1;
}
else
{
fill_activ = 0;
}
}
void aic23b_adc_start(uint32_t sample_rate_hz,
uint8_t num_channels,
uint8_t bits_per_sample,
bool swap_channels,
void (*callback)(uint32_t arg),
uint32_t callback_opt,
uint32_t pba_hz)
{
#if AIC23B_CTRL_INTERFACE == AIC23B_CTRL_INTERFACE_SPI
static const spi_options_t AIC23B_SPI_OPTIONS =
{
.reg = AIC23B_SPI_NPCS,
.baudrate = AIC23B_SPI_MASTER_SPEED,
.bits = AIC23B_CTRL_SIZE,
.spck_delay = 0,
.trans_delay = 0,
.stay_act = 0,
.spi_mode = 3,
.modfdis = 1
};
spi_setupChipReg(AIC23B_SPI, &AIC23B_SPI_OPTIONS, pba_hz);
#endif
aic23b_adc_stop();
gpio_enable_module(AIC23B_SSC_ADC_GPIO_MAP,
sizeof(AIC23B_SSC_ADC_GPIO_MAP) / sizeof(AIC23B_SSC_ADC_GPIO_MAP[0]));
aic23b_pdc_t pdc;
pdc.data = AIC23B_DEFAULT(AIC23B_PDC);
pdc.off = 0;
pdc.clk = 0;
pdc.osc = 0;
pdc.out = 0;
pdc.dac = 1;
pdc.adc = 0;
#if (AIC23B_INPUT==AIC23B_INPUT_LINE)
pdc.mic = 1;
pdc.line = 0;
#elif (AIC23B_INPUT==AIC23B_INPUT_MIC)
pdc.mic = 0;
pdc.line = 1;
#else
#error No Input defined in file 'conf_tlv320aic23b.h'
#endif
aic23b_set_power_down_state(pdc);
aic23b_adc_setup(sample_rate_hz,
num_channels,
bits_per_sample,
swap_channels,
callback,
callback_opt,
pba_hz);
aic23b_aapc_t aapc;
aapc.data = AIC23B_DEFAULT(AIC23B_AAPC);
#if (AIC23B_INPUT==AIC23B_INPUT_LINE)
aapc.ste = 0;
aapc.dac = 0;
aapc.byp = 0;
aapc.insel = 0;
aapc.micm = 0;
aapc.micb = 0;
#elif (AIC23B_INPUT==AIC23B_INPUT_MIC)
aapc.ste = 0;
aapc.dac = 0;
aapc.byp = 0;
aapc.insel = 1;
aapc.micm = 0;
aapc.micb = 0;
#else
#error No Input defined in file 'conf_tlv320aic23b.h'
#endif
aic23b_set_analog_audio_path(aapc);
aic23b_dapc_t dapc;
dapc.data = AIC23B_DEFAULT(AIC23B_DAPC);
dapc.dacm = 0;
dapc.deemp = AIC23B_DAPC_DEEMP_NONE;
dapc.adchp = 0;
aic23b_set_digital_audio_path(dapc);
aic23b_llicvc_t llivc;
llivc.data = AIC23B_DEFAULT(AIC23B_LLICVC);
llivc.liv = 20;
llivc.lim = 0;
llivc.lrs = 1;
aic23b_write_reg(AIC23B_LLICVC, llivc.data);
aic23b_rlicvc_t rlivc;
rlivc.data = AIC23B_DEFAULT(AIC23B_RLICVC);
rlivc.riv = 20;
rlivc.rim = 0;
rlivc.rls = 1;
aic23b_write_reg(AIC23B_RLICVC, rlivc.data);
INTC_register_interrupt(&aic23b_ssc_rx_pdca_int_handler,
AIC23B_SSC_RX_PDCA_IRQ,
AIC23B_SSC_RX_PDCA_INT_LEVEL);
aic23b_activate_dig_audio(true);
}
void aic23b_adc_setup(uint32_t sample_rate_hz,
uint8_t num_channels,
uint8_t bits_per_sample,
bool swap_channels,
void (*callback)(uint32_t arg),
callback_opt,
uint32_t pba_hz)
{
ssc_i2s_init(AIC23B_SSC,
sample_rate_hz,
bits_per_sample,
(bits_per_sample <= 16) ? 16 :
(bits_per_sample <= 20) ? 20 :
(bits_per_sample <= 24) ? 24 :
32,
SSC_I2S_MODE_STEREO_IN,
pba_hz);
pdca_channel_options_t aic23b_ssc_pdca_options =
{
.addr = NULL,
.size = 0,
.r_addr = NULL,
.r_size = 0,
.pid = AIC23B_SSC_RX_PDCA_PID,
.transfer_size = (bits_per_sample <= 8) ? PDCA_TRANSFER_SIZE_BYTE :
(bits_per_sample <= 16) ? PDCA_TRANSFER_SIZE_HALF_WORD :
PDCA_TRANSFER_SIZE_WORD
};
pdca_init_channel(AIC23B_SSC_RX_PDCA_CHANNEL, &aic23b_ssc_pdca_options);
pdca_enable(AIC23B_SSC_RX_PDCA_CHANNEL);
// Set ADC frequency
aic23b_configure_freq(AIC23B_MCLK_HZ, sample_rate_hz);
aic23b_daif_t daif;
daif.data = AIC23B_DEFAULT(AIC23B_DAIF);
daif.ms = AIC23B_DAIF_MS_SLAVE;
daif.lrswap = swap_channels;
daif.lrp = 0;
daif.iwl = (bits_per_sample <= 16) ? AIC23B_DAIF_IWL_16 :
(bits_per_sample <= 20) ? AIC23B_DAIF_IWL_20 :
(bits_per_sample <= 24) ? AIC23B_DAIF_IWL_24 :
AIC23B_DAIF_IWL_32;
daif.fmt = AIC23B_DAIF_FMT_I2S;
aic23b_write_reg(AIC23B_DAIF, daif.data);
aic23b_output_params.num_channels = num_channels;
aic23b_output_params.callback = callback;
aic23b_output_params.callback_opt = callback_opt;
}
void aic23b_adc_flush(void)
{
pdca_disable_interrupt_transfer_complete(AIC23B_SSC_RX_PDCA_CHANNEL);
while (!(pdca_get_transfer_status(AIC23B_SSC_RX_PDCA_CHANNEL) &
PDCA_TRANSFER_COMPLETE));
}
void aic23b_codec_start(uint32_t sample_rate_hz,
uint8_t num_channels,
uint8_t bits_per_sample,
bool swap_channels,
void (*callback)(uint32_t arg),
uint32_t callback_opt,
uint32_t pba_hz)
{
#if AIC23B_CTRL_INTERFACE == AIC23B_CTRL_INTERFACE_SPI
static const spi_options_t AIC23B_SPI_OPTIONS =
{
.reg = AIC23B_SPI_NPCS,
.baudrate = AIC23B_SPI_MASTER_SPEED,
.bits = AIC23B_CTRL_SIZE,
.spck_delay = 0,
.trans_delay = 0,
.stay_act = 0,
.spi_mode = 3,
.modfdis = 1
};
spi_setupChipReg(AIC23B_SPI, &AIC23B_SPI_OPTIONS, pba_hz);
#endif
aic23b_codec_stop();
gpio_enable_module(AIC23B_SSC_CODEC_GPIO_MAP,
sizeof(AIC23B_SSC_CODEC_GPIO_MAP) / sizeof(AIC23B_SSC_CODEC_GPIO_MAP[0]));
aic23b_pdc_t pdc;
pdc.data = AIC23B_DEFAULT(AIC23B_PDC);
pdc.off = 0;
pdc.clk = 0;
pdc.osc = 0;
pdc.out = 0;
pdc.dac = 0;
pdc.adc = 0;
#if (AIC23B_INPUT==AIC23B_INPUT_LINE)
pdc.mic = 1;
pdc.line = 0;
#elif (AIC23B_INPUT==AIC23B_INPUT_MIC)
pdc.mic = 0;
pdc.line = 1;
#else
#error No Input defined in file 'conf_tlv320aic23b.h'
#endif
aic23b_set_power_down_state(pdc);
aic23b_codec_setup(sample_rate_hz,
num_channels,
bits_per_sample,
swap_channels,
callback,
callback_opt,
pba_hz);
aic23b_aapc_t aapc;
aapc.data = AIC23B_DEFAULT(AIC23B_AAPC);
#if (AIC23B_INPUT==AIC23B_INPUT_LINE)
aapc.ste = 0;
aapc.dac = 1;
aapc.byp = 0;
aapc.insel = 0;
aapc.micm = 0;
aapc.micb = 1;
#elif (AIC23B_INPUT==AIC23B_INPUT_MIC)
aapc.ste = 0;
aapc.dac = 1;
aapc.sta = 4;
aapc.byp = 0;
aapc.insel = 1;
aapc.micm = 0;
aapc.micb = 1;
#else
#error No Input defined in file 'conf_tlv320aic23b.h'
#endif
aic23b_set_analog_audio_path(aapc);
aic23b_dapc_t dapc;
dapc.data = AIC23B_DEFAULT(AIC23B_DAPC);
dapc.dacm = 0;
dapc.deemp = AIC23B_DAPC_DEEMP_NONE;
dapc.adchp = 0;
aic23b_set_digital_audio_path(dapc);
aic23b_llicvc_t llivc;
llivc.data = AIC23B_DEFAULT(AIC23B_LLICVC);
llivc.liv = 20;
llivc.lim = 0;
llivc.lrs = 1;
aic23b_write_reg(AIC23B_LLICVC, llivc.data);
aic23b_rlicvc_t rlivc;
rlivc.data = AIC23B_DEFAULT(AIC23B_RLICVC);
rlivc.riv = 20;
rlivc.rim = 0;
rlivc.rls = 1;
aic23b_write_reg(AIC23B_RLICVC, rlivc.data);
INTC_register_interrupt(&aic23b_ssc_rx_pdca_int_handler,
AIC23B_SSC_RX_PDCA_IRQ,
AIC23B_SSC_RX_PDCA_INT_LEVEL);
// set an acceptable start volume
aic23b_set_headphone_volume(AIC23B_LEFT_CHANNEL | AIC23B_RIGHT_CHANNEL,
-30,
true);
aic23b_activate_dig_audio(true);
INTC_register_interrupt(&aic23b_ssc_tx_pdca_int_handler,
AIC23B_SSC_TX_PDCA_IRQ,
AIC23B_SSC_TX_PDCA_INT_LEVEL);
}
void aic23b_codec_setup(uint32_t sample_rate_hz,
uint8_t num_channels,
uint8_t bits_per_sample,
bool swap_channels,
void (*callback)(uint32_t opt),
uint32_t callback_opt,
uint32_t pba_hz)
{
uint32_t master_clock = AIC23B_MCLK_HZ; // default configuration
// Change the CPU frequency
//
//Disable_global_interrupt();
// Switch to OSC0 during OSC1 transition
//pm_switch_to_osc0(&AVR32_PM, FOSC0, OSC0_STARTUP);
// Switch to PLL0 as the master clock
//pm_switch_to_clock(&AVR32_PM, AVR32_PM_MCCTRL_MCSEL_PLL0);
if (sample_rate_hz < (8000 + 8021) / 2)
{ // 8000 Hz
}
else if (sample_rate_hz < (8021 + 32000) / 2)
{ // 8021 Hz
}
else if (sample_rate_hz < (32000 + 44100) / 2)
{ // 32000 Hz
master_clock = usb_stream_resync_frequency = 8192000;
cs2200_freq_clk_out(_32_BITS_RATIO(usb_stream_resync_frequency, FOSC0));
pba_hz = FCPU_HZ = FHSB_HZ = FPBA_HZ = FPBB_HZ = FMCK_HZ(8192000);
}
else if (sample_rate_hz < (44100 + 48000) / 2)
{ // 44100 Hz
master_clock = usb_stream_resync_frequency = 11289600;
cs2200_freq_clk_out(_32_BITS_RATIO(usb_stream_resync_frequency, FOSC0));
pba_hz = FCPU_HZ = FHSB_HZ = FPBA_HZ = FPBB_HZ = FMCK_HZ(11289600);
}
else if (sample_rate_hz < (48000 + 88200) / 2)
{ // 48000 Hz
master_clock = usb_stream_resync_frequency = 12288000;
cs2200_freq_clk_out(_32_BITS_RATIO(usb_stream_resync_frequency, FOSC0));
pba_hz = FCPU_HZ = FHSB_HZ = FPBA_HZ = FPBB_HZ = FMCK_HZ(12288000);
}
else if (sample_rate_hz < (88200 + 96000) / 2)
{ // 88200 Hz
}
else
{ // 96000 Hz
}
//Enable_global_interrupt();
ssc_i2s_init(AIC23B_SSC,
sample_rate_hz,
bits_per_sample,
(bits_per_sample <= 16) ? 16 :
(bits_per_sample <= 20) ? 20 :
(bits_per_sample <= 24) ? 24 :
32,
SSC_I2S_MODE_STEREO_OUT_STEREO_IN,
pba_hz);
pdca_channel_options_t aic23b_ssc_pdca_options_rx =
{
.addr = NULL,
.size = 0,
.r_addr = NULL,
.r_size = 0,
.pid = AIC23B_SSC_RX_PDCA_PID,
.transfer_size = (bits_per_sample <= 8) ? PDCA_TRANSFER_SIZE_BYTE :
(bits_per_sample <= 16) ? PDCA_TRANSFER_SIZE_HALF_WORD :
PDCA_TRANSFER_SIZE_WORD
};
pdca_init_channel(AIC23B_SSC_RX_PDCA_CHANNEL, &aic23b_ssc_pdca_options_rx);
pdca_enable(AIC23B_SSC_RX_PDCA_CHANNEL);
pdca_channel_options_t aic23b_ssc_pdca_options_tx =
{
.addr = NULL,
.size = 0,
.r_addr = NULL,
.r_size = 0,
.pid = AIC23B_SSC_TX_PDCA_PID,
.transfer_size = (bits_per_sample <= 8) ? PDCA_TRANSFER_SIZE_BYTE :
(bits_per_sample <= 16) ? PDCA_TRANSFER_SIZE_HALF_WORD :
PDCA_TRANSFER_SIZE_WORD
};
pdca_init_channel(AIC23B_SSC_TX_PDCA_CHANNEL, &aic23b_ssc_pdca_options_tx);
pdca_enable(AIC23B_SSC_TX_PDCA_CHANNEL);
// Set codec frequency
aic23b_configure_freq(master_clock, sample_rate_hz);
aic23b_daif_t daif;
daif.data = AIC23B_DEFAULT(AIC23B_DAIF);
daif.ms = AIC23B_DAIF_MS_SLAVE;
daif.lrswap = swap_channels;
daif.lrp = 0;
daif.iwl = (bits_per_sample <= 16) ? AIC23B_DAIF_IWL_16 :
(bits_per_sample <= 20) ? AIC23B_DAIF_IWL_20 :
(bits_per_sample <= 24) ? AIC23B_DAIF_IWL_24 :
AIC23B_DAIF_IWL_32;
daif.fmt = AIC23B_DAIF_FMT_I2S;
aic23b_write_reg(AIC23B_DAIF, daif.data);
aic23b_output_params.num_channels = num_channels;
aic23b_output_params.callback = callback;
aic23b_output_params.callback_opt = callback_opt;
}
void aic23b_codec_flush(void)
{
pdca_disable_interrupt_transfer_complete(AIC23B_SSC_RX_PDCA_CHANNEL);
while (!(pdca_get_transfer_status(AIC23B_SSC_RX_PDCA_CHANNEL) &
PDCA_TRANSFER_COMPLETE));
pdca_disable_interrupt_transfer_complete(AIC23B_SSC_TX_PDCA_CHANNEL);
while (!(pdca_get_transfer_status(AIC23B_SSC_TX_PDCA_CHANNEL) &
PDCA_TRANSFER_COMPLETE));
}
void aic23b_codec_stop(void)
{
aic23b_codec_flush();
aic23b_reset();
aic23b_pdc_t pdc;
pdc.data = AIC23B_DEFAULT(AIC23B_PDC);
pdc.off = 1;
pdc.clk = 1;
pdc.osc = 1;
pdc.out = 1;
pdc.dac = 1;
pdc.adc = 1;
pdc.mic = 1;
pdc.line = 1;
aic23b_set_power_down_state(pdc);
pdca_disable(AIC23B_SSC_RX_PDCA_CHANNEL);
pdca_disable(AIC23B_SSC_TX_PDCA_CHANNEL);
ssc_i2s_reset(AIC23B_SSC);
gpio_enable_gpio(AIC23B_SSC_CODEC_GPIO_MAP,
sizeof(AIC23B_SSC_CODEC_GPIO_MAP) / sizeof(AIC23B_SSC_CODEC_GPIO_MAP[0]));
aic23b_output_params.num_channels = 0;
aic23b_output_params.callback = NULL;
aic23b_output_params.callback_opt = 0;
}
