RTEMS 6.1-rc6
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Data Structures | |
struct | _asrc_channel_pair_config |
asrc channel pair configuation More... | |
struct | _asrc_transfer |
SAI transfer structure. More... | |
struct | _asrc_in_handle |
asrc in handler More... | |
struct | _asrc_out_handle |
output handler More... | |
struct | _asrc_handle |
ASRC handle structure. More... | |
Driver version | |
enum | { kStatus_ASRCIdle = MAKE_STATUS(kStatusGroup_ASRC, 0) , kStatus_ASRCInIdle = MAKE_STATUS(kStatusGroup_ASRC, 1) , kStatus_ASRCOutIdle = MAKE_STATUS(kStatusGroup_ASRC, 2) , kStatus_ASRCBusy = MAKE_STATUS(kStatusGroup_ASRC, 3) , kStatus_ASRCInvalidArgument = MAKE_STATUS(kStatusGroup_ASRC, 4) , kStatus_ASRCClockConfigureFailed = MAKE_STATUS(kStatusGroup_ASRC, 5) , kStatus_ASRCChannelPairConfigureFailed = MAKE_STATUS(kStatusGroup_ASRC, 6) , kStatus_ASRCConvertError = MAKE_STATUS(kStatusGroup_ASRC, 7) , kStatus_ASRCNotSupport = MAKE_STATUS(kStatusGroup_ASRC, 8) , kStatus_ASRCQueueFull = MAKE_STATUS(kStatusGroup_ASRC, 9) , kStatus_ASRCOutQueueIdle = MAKE_STATUS(kStatusGroup_ASRC, 10) , kStatus_ASRCInQueueIdle = MAKE_STATUS(kStatusGroup_ASRC, 11) } |
ASRC return status . More... | |
enum | _asrc_channel_pair { kASRC_ChannelPairA = 0 , kASRC_ChannelPairB = 1 , kASRC_ChannelPairC = 2 } |
ASRC channel pair mask. More... | |
enum | { kASRC_SampleRate_8000HZ = 8000U , kASRC_SampleRate_11025HZ = 11025U , kASRC_SampleRate_12000HZ = 12000U , kASRC_SampleRate_16000HZ = 16000U , kASRC_SampleRate_22050HZ = 22050U , kASRC_SampleRate_24000HZ = 24000U , kASRC_SampleRate_30000HZ = 30000U , kASRC_SampleRate_32000HZ = 32000U , kASRC_SampleRate_44100HZ = 44100U , kASRC_SampleRate_48000HZ = 48000U , kASRC_SampleRate_64000HZ = 64000U , kASRC_SampleRate_88200HZ = 88200U , kASRC_SampleRate_96000HZ = 96000U , kASRC_SampleRate_128000HZ = 128000U , kASRC_SampleRate_176400HZ = 176400U , kASRC_SampleRate_192000HZ = 192000U } |
ASRC support sample rate . More... | |
enum | { kASRC_FPInWaitStateInterruptEnable = ASRC_ASRIER_AFPWE_MASK , kASRC_OverLoadInterruptMask = ASRC_ASRIER_AOLIE_MASK , kASRC_DataOutputCInterruptMask = ASRC_ASRIER_ADOEC_MASK , kASRC_DataOutputBInterruptMask = ASRC_ASRIER_ADOEB_MASK , kASRC_DataOutputAInterruptMask = ASRC_ASRIER_ADOEA_MASK , kASRC_DataInputCInterruptMask = ASRC_ASRIER_ADIEC_MASK , kASRC_DataInputBInterruptMask = ASRC_ASRIER_ADIEB_MASK , kASRC_DataInputAInterruptMask = ASRC_ASRIER_ADIEA_MASK } |
The ASRC interrupt enable flag . More... | |
enum | { kASRC_StatusDSLCounterReady = ASRC_ASRSTR_DSLCNT_MASK , kASRC_StatusTaskQueueOverLoad = ASRC_ASRSTR_ATQOL_MASK , kASRC_StatusPairCOutputOverLoad = ASRC_ASRSTR_AOOLC_MASK , kASRC_StatusPairBOutputOverLoad = ASRC_ASRSTR_AOOLB_MASK , kASRC_StatusPairAOutputOverLoad = ASRC_ASRSTR_AOOLA_MASK , kASRC_StatusPairCInputOverLoad = ASRC_ASRSTR_AIOLC_MASK , kASRC_StatusPairBInputOverLoad = ASRC_ASRSTR_AIOLB_MASK , kASRC_StatusPairAInputOverLoad = ASRC_ASRSTR_AIOLA_MASK , kASRC_StatusPairCOutputOverflow = ASRC_ASRSTR_AODOC_MASK , kASRC_StatusPairBOutputOverflow = ASRC_ASRSTR_AODOB_MASK , kASRC_StatusPairAOutputOverflow = ASRC_ASRSTR_AODOA_MASK , kASRC_StatusPairCInputUnderflow = ASRC_ASRSTR_AIDUC_MASK , kASRC_StatusPairBInputUnderflow = ASRC_ASRSTR_AIDUB_MASK , kASRC_StatusPairAInputUnderflow = ASRC_ASRSTR_AIDUA_MASK , kASRC_StatusFPInWaitState = ASRC_ASRSTR_FPWT_MASK , kASRC_StatusOverloadError = ASRC_ASRSTR_AOLE_MASK , kASRC_StatusInputError , kASRC_StatusOutputError , kASRC_StatusPairCOutputReady = ASRC_ASRSTR_AODFC_MASK , kASRC_StatusPairBOutputReady = ASRC_ASRSTR_AODFB_MASK , kASRC_StatusPairAOutputReady = ASRC_ASRSTR_AODFA_MASK , kASRC_StatusPairCInputReady = ASRC_ASRSTR_AIDEC_MASK , kASRC_StatusPairBInputReady = ASRC_ASRSTR_AIDEB_MASK , kASRC_StatusPairAInputReady = ASRC_ASRSTR_AIDEA_MASK , kASRC_StatusPairAInterrupt = kASRC_StatusPairAInputReady | kASRC_StatusPairAOutputReady , kASRC_StatusPairBInterrupt = kASRC_StatusPairBInputReady | kASRC_StatusPairBOutputReady , kASRC_StatusPairCInterrupt = kASRC_StatusPairCInputReady | kASRC_StatusPairCOutputReady } |
The ASRC interrupt status . More... | |
enum | { kASRC_OutputFifoNearFull = ASRC_ASRFSTA_OAFA_MASK , kASRC_InputFifoNearEmpty = ASRC_ASRFSTA_IAEA_MASK } |
ASRC channel pair status . More... | |
enum | _asrc_ratio { kASRC_RatioNotUsed = 0U , kASRC_RatioUseInternalMeasured , kASRC_RatioUseIdealRatio } |
ASRC ideal ratio. More... | |
enum | _asrc_audio_channel { kASRC_ChannelsNumber1 = 1U , kASRC_ChannelsNumber2 = 2U , kASRC_ChannelsNumber3 = 3U , kASRC_ChannelsNumber4 = 4U , kASRC_ChannelsNumber5 = 5U , kASRC_ChannelsNumber6 = 6U , kASRC_ChannelsNumber7 = 7U , kASRC_ChannelsNumber8 = 8U , kASRC_ChannelsNumber9 = 9U , kASRC_ChannelsNumber10 = 10U } |
Number of channels in audio data. More... | |
enum | _asrc_data_width { kASRC_DataWidth24Bit = 0U , kASRC_DataWidth16Bit = 1U , kASRC_DataWidth8Bit = 2U } |
data width More... | |
enum | _asrc_data_align { kASRC_DataAlignMSB = 1U , kASRC_DataAlignLSB = 0U } |
data alignment More... | |
enum | _asrc_sign_extension { kASRC_NoSignExtension = 0U , kASRC_SignExtension = 1U } |
sign extension More... | |
typedef enum _asrc_channel_pair | asrc_channel_pair_t |
ASRC channel pair mask. | |
typedef enum _asrc_ratio | asrc_ratio_t |
ASRC ideal ratio. | |
typedef enum _asrc_audio_channel | asrc_audio_channel_t |
Number of channels in audio data. | |
typedef enum _asrc_data_width | asrc_data_width_t |
data width | |
typedef enum _asrc_data_align | asrc_data_align_t |
data alignment | |
typedef enum _asrc_sign_extension | asrc_sign_extension_t |
sign extension | |
typedef struct _asrc_channel_pair_config | asrc_channel_pair_config_t |
asrc channel pair configuation | |
typedef struct _asrc_transfer | asrc_transfer_t |
SAI transfer structure. | |
typedef struct _asrc_handle | asrc_handle_t |
asrc handler | |
typedef void(* | asrc_transfer_callback_t) (ASRC_Type *base, asrc_handle_t *handle, status_t status, void *userData) |
ASRC transfer callback prototype. | |
typedef struct _asrc_in_handle | asrc_in_handle_t |
asrc in handler | |
typedef struct _asrc_out_handle | asrc_out_handle_t |
output handler | |
#define | FSL_ASRC_DRIVER_VERSION (MAKE_VERSION(2, 1, 2)) |
#define | ASRC_XFER_QUEUE_SIZE (4U) |
ASRC transfer queue size, user can refine it according to use case. | |
#define | FSL_ASRC_CHANNEL_PAIR_COUNT (4U) |
ASRC channel pair count. | |
#define | FSL_ASRC_CHANNEL_PAIR_FIFO_DEPTH (64U) |
ASRC FIFO depth. | |
#define | ASRC_ASRCTR_AT_MASK(index) ((uint32_t)1U << (ASRC_ASRCTR_ATSA_SHIFT + (uint32_t)(index))) |
ASRC register access macro. | |
#define | ASRC_ASRCTR_RATIO_MASK(index) ((uint32_t)3U << (ASRC_ASRCTR_IDRA_SHIFT + (uint32_t)(index)*2U)) |
#define | ASRC_ASRCTR_RATIO(ratio, index) (((uint32_t)((uint32_t)(ratio) << (ASRC_ASRCTR_IDRA_SHIFT + (uint32_t)(index)*2U))) & ASRC_ASRCTR_RATIO_MASK(index)) |
#define | ASRC_ASRIER_INPUT_INTERRUPT_MASK(index) ((uint32_t)1U << (ASRC_ASRIER_ADIEA_SHIFT + (uint32_t)(index))) |
#define | ASRC_ASRIER_OUTPUTPUT_INTERRUPT_MASK(index) ((uint32_t)1U << (ASRC_ASRIER_ADOEA_SHIFT + (uint32_t)(index))) |
#define | ASRC_ASRCNCR_CHANNEL_COUNTER_MASK(index) ((uint32_t)0xFU << (ASRC_ASRCNCR_ANCA_SHIFT + (uint32_t)(index)*4U)) |
#define | ASRC_ASRCNCR_CHANNEL_COUNTER(counter, index) |
#define | ASRC_ASRCFG_PRE_MODE_MASK(index) ((uint32_t)3U << (ASRC_ASRCFG_PREMODA_SHIFT + (uint32_t)(index)*4U)) |
#define | ASRC_ASRCFG_PRE_MODE(mode, index) |
#define | ASRC_ASRCFG_POST_MODE_MASK(index) ((uint32_t)3U << (ASRC_ASRCFG_POSTMODA_SHIFT + (uint32_t)(index)*4U)) |
#define | ASRC_ASRCFG_POST_MODE(mode, index) |
#define | ASRC_ASRCFG_INIT_DONE_MASK(index) ((uint32_t)1U << (ASRC_ASRCFG_INIRQA_SHIFT + (uint32_t)(index))) |
#define | ASRC_ASRCSR_INPUT_CLOCK_SOURCE_MASK(index) ((uint32_t)0xFU << (ASRC_ASRCSR_AICSA_SHIFT + (uint32_t)(index)*4U)) |
#define | ASRC_ASRCSR_INPUT_CLOCK_SOURCE(source, index) |
#define | ASRC_ASRCSR_OUTPUT_CLOCK_SOURCE_MASK(index) ((uint32_t)0xFU << (ASRC_ASRCSR_AOCSA_SHIFT + (uint32_t)(index)*4U)) |
#define | ASRC_ASRCSR_OUTPUT_CLOCK_SOURCE(source, index) |
#define | ASRC_ASRCDR_INPUT_PRESCALER_MASK(index) ((uint32_t)(index) < 2U ? ((uint32_t)7U << (ASRC_ASRCDR1_AICPA_SHIFT + (uint32_t)(index)*6U)) : 7U) |
#define | ASRC_ASRCDR_INPUT_PRESCALER(prescaler, index) |
#define | ASRC_ASRCDR_INPUT_DIVIDER_MASK(index) |
#define | ASRC_ASRCDR_INPUT_DIVIDER(divider, index) |
#define | ASRC_ASRCDR_OUTPUT_PRESCALER_MASK(index) ((uint32_t)(index) < 2U ? ((uint32_t)7U << (ASRC_ASRCDR1_AOCPA_SHIFT + (uint32_t)(index)*6U)) : (7U << 6U)) |
#define | ASRC_ASRCDR_OUTPUT_PRESCALER(prescaler, index) |
#define | ASRC_ASRCDR_OUTPUT_DIVIDER_MASK(index) ((uint32_t)(index) < 2U ? ((uint32_t)7U << (ASRC_ASRCDR1_AOCDA_SHIFT + (uint32_t)(index)*6U)) : (7UL << 9U)) |
#define | ASRC_ASRCDR_OUTPUT_DIVIDER(divider, index) |
#define | ASCR_ASRCDR_OUTPUT_CLOCK_DIVIDER_PRESCALER(value, index) |
#define | ASCR_ASRCDR_INPUT_CLOCK_DIVIDER_PRESCALER(value, index) (((uint32_t)(index) < 2U ? ((uint32_t)(value) << ((uint32_t)(index)*6U)) : ((uint32_t)(value)))) |
#define | ASRC_IDEAL_RATIO_HIGH(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRIDRHA) + (uint32_t)(index)*8U) |
#define | ASRC_IDEAL_RATIO_LOW(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRIDRLA) + (uint32_t)(index)*8U) |
#define | ASRC_ASRMCR(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRMCRA) + (uint32_t)(index)*8U) |
#define | ASRC_ASRMCR1(base, index) *(volatile uint32_t *)((uint32_t)(&((base)->ASRMCR1[(index)]))) |
#define | ASRC_ASRDI(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRDIA) + (uint32_t)(index)*8U) |
#define | ASRC_ASRDO(base, index) *(volatile uint32_t *)((uint32_t)(&(base)->ASRDOA) + (uint32_t)(index)*8U) |
#define | ASRC_ASRDI_ADDR(base, index) (volatile uint32_t *)((uint32_t)(&(base)->ASRDIA) + (uint32_t)(index)*8U) |
#define | ASRC_ASRDO_ADDR(base, index) (volatile uint32_t *)((uint32_t)(&(base)->ASRDOA) + (uint32_t)(index)*8U) |
#define | ASRC_ASRFST_ADDR(base, index) (*(volatile uint32_t *)((uint32_t)(&(base)->ASRFSTA) + (uint32_t)(index)*8U)) |
#define | ASRC_GET_CHANNEL_COUNTER(base, index) (((base)->ASRCNCR >> ((uint32_t)(index)*4U)) & 0xFU) |
Initialization and deinitialization | |
uint32_t | ASRC_GetInstance (ASRC_Type *base) |
Get instance number of the ASRC peripheral. | |
void | ASRC_Init (ASRC_Type *base, uint32_t asrcPeripheralClock_Hz) |
void | ASRC_Deinit (ASRC_Type *base) |
De-initializes the ASRC peripheral. | |
void | ASRC_SoftwareReset (ASRC_Type *base) |
Do software reset . | |
status_t | ASRC_SetChannelPairConfig (ASRC_Type *base, asrc_channel_pair_t channelPair, asrc_channel_pair_config_t *config, uint32_t inputSampleRate, uint32_t outputSampleRate) |
ASRC configure channel pair. | |
uint32_t | ASRC_GetOutSamplesSize (ASRC_Type *base, asrc_channel_pair_t channelPair, uint32_t inSampleRate, uint32_t outSampleRate, uint32_t inSamplesize) |
Get output sample buffer size. | |
uint32_t | ASRC_MapSamplesWidth (ASRC_Type *base, asrc_channel_pair_t channelPair, uint32_t *inWidth, uint32_t *outWidth) |
Map register sample width to real sample width. | |
uint32_t | ASRC_GetRemainFifoSamples (ASRC_Type *base, asrc_channel_pair_t channelPair, uint32_t *buffer, uint32_t outSampleWidth, uint32_t remainSamples) |
Get left samples in fifo. | |
Bus Operations | |
status_t | ASRC_SetIdealRatioConfig (ASRC_Type *base, asrc_channel_pair_t channelPair, uint32_t inputSampleRate, uint32_t outputSampleRate) |
ASRC configure ideal ratio. The ideal ratio should be used when input clock source is not avalible. | |
Transactional | |
status_t | ASRC_TransferSetChannelPairConfig (ASRC_Type *base, asrc_handle_t *handle, asrc_channel_pair_config_t *config, uint32_t inputSampleRate, uint32_t outputSampleRate) |
ASRC configure channel pair. | |
void | ASRC_TransferCreateHandle (ASRC_Type *base, asrc_handle_t *handle, asrc_channel_pair_t channelPair, asrc_transfer_callback_t inCallback, asrc_transfer_callback_t outCallback, void *userData) |
Initializes the ASRC handle. | |
status_t | ASRC_TransferNonBlocking (ASRC_Type *base, asrc_handle_t *handle, asrc_transfer_t *xfer) |
Performs an interrupt non-blocking convert on asrc. | |
status_t | ASRC_TransferBlocking (ASRC_Type *base, asrc_channel_pair_t channelPair, asrc_transfer_t *xfer) |
Performs an blocking convert on asrc. | |
status_t | ASRC_TransferGetConvertedCount (ASRC_Type *base, asrc_handle_t *handle, size_t *count) |
Get converted byte count. | |
void | ASRC_TransferAbortConvert (ASRC_Type *base, asrc_handle_t *handle) |
Aborts the current convert. | |
void | ASRC_TransferTerminateConvert (ASRC_Type *base, asrc_handle_t *handle) |
Terminate all ASRC convert. | |
void | ASRC_TransferHandleIRQ (ASRC_Type *base, asrc_handle_t *handle) |
ASRC convert interrupt handler. | |
#define ASCR_ASRCDR_OUTPUT_CLOCK_DIVIDER_PRESCALER | ( | value, | |
index | |||
) |
#define ASRC_ASRCDR_INPUT_DIVIDER | ( | divider, | |
index | |||
) |
#define ASRC_ASRCDR_INPUT_DIVIDER_MASK | ( | index | ) |
#define ASRC_ASRCDR_INPUT_PRESCALER | ( | prescaler, | |
index | |||
) |
#define ASRC_ASRCDR_OUTPUT_DIVIDER | ( | divider, | |
index | |||
) |
#define ASRC_ASRCDR_OUTPUT_PRESCALER | ( | prescaler, | |
index | |||
) |
#define ASRC_ASRCFG_POST_MODE | ( | mode, | |
index | |||
) |
#define ASRC_ASRCFG_PRE_MODE | ( | mode, | |
index | |||
) |
#define ASRC_ASRCNCR_CHANNEL_COUNTER | ( | counter, | |
index | |||
) |
#define ASRC_ASRCSR_INPUT_CLOCK_SOURCE | ( | source, | |
index | |||
) |
#define ASRC_ASRCSR_OUTPUT_CLOCK_SOURCE | ( | source, | |
index | |||
) |
#define FSL_ASRC_DRIVER_VERSION (MAKE_VERSION(2, 1, 2)) |
Version 2.1.2
anonymous enum |
anonymous enum |
anonymous enum |
The ASRC interrupt enable flag .
anonymous enum |
anonymous enum |
enum _asrc_audio_channel |
Number of channels in audio data.
enum _asrc_channel_pair |
enum _asrc_data_align |
enum _asrc_data_width |
enum _asrc_ratio |
enum _asrc_sign_extension |
void ASRC_Deinit | ( | ASRC_Type * | base | ) |
De-initializes the ASRC peripheral.
This API gates the ASRC clock and disable ASRC module. The ASRC module can't operate unless ASRC_Init
base | ASRC base pointer. |
brief De-initializes the ASRC peripheral.
This API gates the ASRC clock and disable ASRC module. The ASRC module can't operate unless ASRC_Init
param base ASRC base pointer.
uint32_t ASRC_GetInstance | ( | ASRC_Type * | base | ) |
Get instance number of the ASRC peripheral.
base | ASRC base pointer. |
uint32_t ASRC_GetOutSamplesSize | ( | ASRC_Type * | base, |
asrc_channel_pair_t | channelPair, | ||
uint32_t | inSampleRate, | ||
uint32_t | outSampleRate, | ||
uint32_t | inSamplesize | ||
) |
Get output sample buffer size.
base | asrc base pointer. |
channelPair | ASRC channel pair number. |
inSampleRate | input sample rate. |
outSampleRate | output sample rate. |
inSamplesize | input sampleS size. |
output | buffer size in byte. |
brief Get output sample buffer size.
note This API is depends on the ASRC output configuration, should be called after the ASRC_SetChannelPairConfig.
param base asrc base pointer. param channelPair ASRC channel pair number. param inSampleRate input sample rate. param outSampleRate output sample rate. param inSamples input sampleS size. retval output buffer size in byte.
uint32_t ASRC_GetRemainFifoSamples | ( | ASRC_Type * | base, |
asrc_channel_pair_t | channelPair, | ||
uint32_t * | buffer, | ||
uint32_t | outSampleWidth, | ||
uint32_t | remainSamples | ||
) |
Get left samples in fifo.
base | asrc base pointer. |
channelPair | ASRC channel pair number. |
buffer | input sample numbers. |
outSampleWidth | output sample width. |
remainSamples | output sample rate. |
remain | samples number. |
brief Get left samples in fifo.
param base asrc base pointer. param channelPair ASRC channel pair number. param buffer input sample numbers. param outSampleWidth output sample width. param remainSamples output sample rate. retval remain samples number.
void ASRC_Init | ( | ASRC_Type * | base, |
uint32_t | asrcPeripheralClock_Hz | ||
) |
brief Initializes the asrc peripheral.
This API gates the asrc clock. The asrc module can't operate unless ASRC_Init is called to enable the clock.
param base asrc base pointer. param asrcPeripheralClock_Hz peripheral clock of ASRC.
uint32_t ASRC_MapSamplesWidth | ( | ASRC_Type * | base, |
asrc_channel_pair_t | channelPair, | ||
uint32_t * | inWidth, | ||
uint32_t * | outWidth | ||
) |
Map register sample width to real sample width.
base | asrc base pointer. |
channelPair | asrc channel pair index. |
inWidth | ASRC channel pair number. |
outWidth | input sample rate. |
input | sample mask value. |
brief Map register sample width to real sample width.
note This API is depends on the ASRC configuration, should be called after the ASRC_SetChannelPairConfig. param base asrc base pointer. param channelPair asrc channel pair index. param inWidth ASRC channel pair number. param outWidth input sample rate. retval input sample mask value.
status_t ASRC_SetChannelPairConfig | ( | ASRC_Type * | base, |
asrc_channel_pair_t | channelPair, | ||
asrc_channel_pair_config_t * | config, | ||
uint32_t | inputSampleRate, | ||
uint32_t | outputSampleRate | ||
) |
ASRC configure channel pair.
base | ASRC base pointer. |
channelPair | index of channel pair, reference _asrc_channel_pair. |
config | ASRC channel pair configuration pointer. |
inputSampleRate | input audio data sample rate. |
outputSampleRate | output audio data sample rate. |
brief ASRC configure channel pair.
param base ASRC base pointer. param channelPair index of channel pair, reference _asrc_channel_pair. param config ASRC channel pair configuration pointer. param inputSampleRate in audio data sample rate. param outSampleRate out audio data sample rate.
status_t ASRC_SetIdealRatioConfig | ( | ASRC_Type * | base, |
asrc_channel_pair_t | channelPair, | ||
uint32_t | inputSampleRate, | ||
uint32_t | outputSampleRate | ||
) |
ASRC configure ideal ratio. The ideal ratio should be used when input clock source is not avalible.
base | ASRC base pointer. |
channelPair | ASRC channel pair. |
inputSampleRate | input audio data sample rate. |
outputSampleRate | output audio data sample rate. |
brief ASRC configure ideal ratio. The ideal ratio should be used when input clock source is not avalible.
param base ASRC base pointer. param channelPair ASRC channel pair. param inputSampleRate input audio data sample rate. param outputSampleRate output audio data sample rate.
void ASRC_SoftwareReset | ( | ASRC_Type * | base | ) |
Do software reset .
This software reset bit is self-clear bit, it will generate a software reset signal inside ASRC. After 9 cycles of the ASRC processing clock, this reset process will stop and this bit will cleared automatically.
base | ASRC base pointer |
brief Do software reset .
This software reset bit is self-clear bit, it will generate a software reset signal inside ASRC. After 9 cycles of the ASRC processing clock, this reset process will stop and this bit will cleared automatically.
param base ASRC base pointer
void ASRC_TransferAbortConvert | ( | ASRC_Type * | base, |
asrc_handle_t * | handle | ||
) |
Aborts the current convert.
base | ASRC base pointer. |
handle | Pointer to the asrc_handle_t structure which stores the transfer state. |
brief Aborts the current convert.
note This API can be called any time when an interrupt non-blocking transfer initiates to abort the transfer early.
param base asrc base pointer. param handle Pointer to the ASRC_handle_t structure which stores the transfer state.
status_t ASRC_TransferBlocking | ( | ASRC_Type * | base, |
asrc_channel_pair_t | channelPair, | ||
asrc_transfer_t * | xfer | ||
) |
Performs an blocking convert on asrc.
base | asrc base pointer. |
channelPair | channel pair index. |
xfer | Pointer to the ASRC_transfer_t structure. |
kStatus_Success | Successfully started the data receive. |
brief Performs an blocking convert on asrc.
note This API returns immediately after the convert finished.
param base asrc base pointer. param channelPair channel pair index. param xfer Pointer to the ASRC_transfer_t structure. retval kStatus_Success Successfully started the data receive.
void ASRC_TransferCreateHandle | ( | ASRC_Type * | base, |
asrc_handle_t * | handle, | ||
asrc_channel_pair_t | channelPair, | ||
asrc_transfer_callback_t | inCallback, | ||
asrc_transfer_callback_t | outCallback, | ||
void * | userData | ||
) |
Initializes the ASRC handle.
This function initializes the handle for the ASRC transactional APIs. Call this function once to get the handle initialized.
base | ASRC base pointer |
handle | ASRC handle pointer. |
channelPair | ASRC channel pair. |
inCallback | Pointer to the user callback function. |
outCallback | Pointer to the user callback function. |
userData | User parameter passed to the callback function |
brief Initializes the ASRC handle.
This function initializes the handle for the ASRC transactional APIs. Call this function once to get the handle initialized.
param base ASRC base pointer param handle ASRC handle pointer. param inCallback Pointer to the user callback function. param outCallback Pointer to the user callback function. param userData User parameter passed to the callback function
status_t ASRC_TransferGetConvertedCount | ( | ASRC_Type * | base, |
asrc_handle_t * | handle, | ||
size_t * | count | ||
) |
Get converted byte count.
base | ASRC base pointer. |
handle | Pointer to the asrc_handle_t structure which stores the transfer state. |
count | Bytes count sent. |
kStatus_Success | Succeed get the transfer count. |
kStatus_ASRCIdle | There is not a non-blocking transaction currently in progress. |
brief Gets a set byte count.
param base asrc base pointer. param handle Pointer to the ASRC_handle_t structure which stores the transfer state. param count Bytes count sent. retval kStatus_Success Succeed get the transfer count. retval kStatus_NoTransferInProgress There is not a non-blocking transaction currently in progress.
void ASRC_TransferHandleIRQ | ( | ASRC_Type * | base, |
asrc_handle_t * | handle | ||
) |
ASRC convert interrupt handler.
base | ASRC base pointer. |
handle | Pointer to the asrc_handle_t structure. |
brief ASRC convert interrupt handler.
param base asrc base pointer. param handle Pointer to the asrc_handle_t structure.
status_t ASRC_TransferNonBlocking | ( | ASRC_Type * | base, |
asrc_handle_t * | handle, | ||
asrc_transfer_t * | xfer | ||
) |
Performs an interrupt non-blocking convert on asrc.
base | asrc base pointer. |
handle | Pointer to the asrc_handle_t structure which stores the transfer state. |
xfer | Pointer to the ASRC_transfer_t structure. |
kStatus_Success | Successfully started the data receive. |
kStatus_ASRCBusy | Previous receive still not finished. |
brief Performs an interrupt non-blocking convert on asrc.
note This API returns immediately after the transfer initiates, application should check the wait and check the callback status.
param base asrc base pointer. param handle Pointer to the asrc_handle_t structure which stores the transfer state. param xfer Pointer to the ASRC_transfer_t structure. retval kStatus_Success Successfully started the data receive. retval kStatus_ASRCBusy Previous receive still not finished.
status_t ASRC_TransferSetChannelPairConfig | ( | ASRC_Type * | base, |
asrc_handle_t * | handle, | ||
asrc_channel_pair_config_t * | config, | ||
uint32_t | inputSampleRate, | ||
uint32_t | outputSampleRate | ||
) |
ASRC configure channel pair.
base | ASRC base pointer. |
handle | ASRC transactional handle pointer. |
config | ASRC channel pair configuration pointer. |
inputSampleRate | input audio data sample rate. |
outputSampleRate | output audio data sample rate. |
brief ASRC configure channel pair.
param base ASRC base pointer. param handle ASRC transactional handle pointer. param config ASRC channel pair configuration pointer. param inputSampleRate in audio data sample rate. param outputSampleRate out audio data sample rate.
void ASRC_TransferTerminateConvert | ( | ASRC_Type * | base, |
asrc_handle_t * | handle | ||
) |
Terminate all ASRC convert.
This function will clear all transfer slots buffered in the asrc queue. If users only want to abort the current transfer slot, please call ASRC_TransferAbortConvert.
base | ASRC base pointer. |
handle | ASRC eDMA handle pointer. |
brief Terminate all asrc convert.
This function will clear all transfer slots buffered in the asrc queue. If users only want to abort the current transfer slot, please call ASRC_TransferAbortSend.
param base asrc base pointer. param handle asrc eDMA handle pointer.