323 #ifndef ti_drivers_pdm_PDMCC26XX__include 324 #define ti_drivers_pdm_PDMCC26XX__include 330 #include <ti/drivers/dpl/HwiP.h> 331 #include <ti/drivers/dpl/SemaphoreP.h> 348 #ifndef PDM_TASK_STACK_SIZE 349 #define PDM_TASK_STACK_SIZE 850 353 #define PCM_SAMPLE_SIZE 16 // Only 16 bits supported for now 356 #define PCM_COMPRESSION_RATE 4 359 #define MINIMUM_PDM_BUFFER_QUEUE_DEPTH 3 365 #define PCM_METADATA_SIZE sizeof(PDMCC26XX_metaData) 389 typedef void *(*PDMCC26XX_MallocFxn)(
size_t memSize);
410 typedef bool (*
PDMCC26XX_Pdm2PcmFxn)(
const void *pdmInBuffer, uint32_t *decimationState,
const int32_t *biquadCoefficients, int16_t *pcmOutBuffer);
uint8_t PIN_Id
Pin identifier data type.
Definition: PIN.h:577
void PDMCC26XX_close(PDMCC26XX_Handle handle)
Function to close a given CC26XX PDM peripheral specified by the PDM handle.
size_t decimationFilterStateSize
Definition: PDMCC26XX.h:557
PDMCC26XX_Gain
Predefined gain settings.
Definition: PDMCC26XX.h:485
PDMCC26XX_pcmBuffer * buffer
Definition: PDMCC26XX.h:527
const int32_t * decimationFilter
Definition: PDMCC26XX.h:556
PDMCC26XX_Handle PDMCC26XX_open(PDMCC26XX_Params *params)
Function to initialize the CC26XX PDM peripheral specified by the particular handle. The parameter specifies which mode the PDM will operate.
size_t decimationFilterStateSize
Definition: PDMCC26XX.h:596
struct PDMCC26XX_Config PDMCC26XX_Config
The PDMCC26XX_Config structure contains a set of pointers used to characterize the PDMCC26XX driver i...
bool PDMCC26XX_startStream(PDMCC26XX_Handle handle)
Function to start streaming PDM data.
A PDMCC26XX_StreamNotification data structure is used with PDMCC26XX_CallbackFxn(). Provides notification about available buffers and potential errors.
Definition: PDMCC26XX.h:499
void * arg
Definition: PDMCC26XX.h:500
void *(* PDMCC26XX_MallocFxn)(size_t memSize)
PDMCC26XX_MallocFxn is a function pointer for the malloc function to be used by the driver...
Definition: PDMCC26XX.h:389
Definition: PDMCC26XX.h:459
struct PDMCC26XX_StreamNotification PDMCC26XX_StreamNotification
A PDMCC26XX_StreamNotification data structure is used with PDMCC26XX_CallbackFxn(). Provides notification about available buffers and potential errors.
bool applyCompression
Definition: PDMCC26XX.h:584
Power manager interface for CC26XX/CC13XX.
struct PDMCC26XX_Object PDMCC26XX_Object
PDMCC26XX Object.
PDMCC26XX_MallocFxn mallocFxn
Definition: PDMCC26XX.h:602
PIN_Handle pinHandle
Definition: PDMCC26XX.h:606
bool PDMCC26XX_stopStream(PDMCC26XX_Handle handle)
Function to stop streaming PDM data.
int taskPriority
Definition: PDMCC26XX.h:438
HwiP_Struct hwi
Definition: PDMCC26XX.h:607
const PDMCC26XX_Config PDMCC26XX_config[]
PDMCC26XX_PcmSampleRate pcmSampleRate
Definition: PDMCC26XX.h:564
PDMCC26XX_CallbackFxn callbackFxn
Definition: PDMCC26XX.h:601
PCM buffer pointed to in a PDMCC26XX_BufferRequest.
Definition: PDMCC26XX.h:379
struct PDMCC26XX_HWAttrs PDMCC26XX_HWAttrs
PDMCC26XX Hardware attributes.
uint8_t pdmBufferQueueDepth
Definition: PDMCC26XX.h:546
struct PDMCC26XX_Params PDMCC26XX_Params
PDMCC26XX Parameters are used to with the PDMCC26XX_open() call. Default values for these parameters ...
Definition: PDMCC26XX.h:451
bool PDMCC26XX_requestBuffer(PDMCC26XX_Handle handle, PDMCC26XX_BufferRequest *bufferRequest)
Function for requesting buffer.
Definition: PDMCC26XX.h:489
void PDMCC26XX_init(PDMCC26XX_Handle handle)
PDM CC26XX initialization.
struct PDMCC26XX_Config * PDMCC26XX_Handle
A handle that is returned from a PDMCC26XX_open() call.
Definition: PDMCC26XX.h:444
Definition: PDMCC26XX.h:457
PDMCC26XX_metaData metaData
Definition: PDMCC26XX.h:380
PDMCC26XX_StreamNotification * streamNotification
Definition: PDMCC26XX.h:600
void const * hwAttrs
Definition: PDMCC26XX.h:422
Definition: PDMCC26XX.h:471
PDMCC26XX_Pdm2PcmFxn pdm2pcmFxn
Definition: PDMCC26XX.h:604
bool micPowerActiveHigh
Definition: PDMCC26XX.h:583
Definition: PDMCC26XX.h:491
uint16_t pcmBufferSizeInBytes
Definition: PDMCC26XX.h:589
bool micPowerActiveHigh
Definition: PDMCC26XX.h:542
A PDMCC26XX_BufferRequest data structure is used with PDMCC26XX_requestBuffer().
Definition: PDMCC26XX.h:526
Definition: PDMCC26XX.h:452
PDMCC26XX Parameters are used to with the PDMCC26XX_open() call. Default values for these parameters ...
Definition: PDMCC26XX.h:540
uint16_t retBufSizeInBytes
Definition: PDMCC26XX.h:553
uint32_t startupDelayWithClockInSamples
Definition: PDMCC26XX.h:590
Definition: PDMCC26XX.h:488
Definition: PDMCC26XX.h:487
uint32_t startupDelayWithClockInSamples
Definition: PDMCC26XX.h:565
The PDMCC26XX_Config structure contains a set of pointers used to characterize the PDMCC26XX driver i...
Definition: PDMCC26XX.h:417
uint16_t retBufSizeInBytes
Definition: PDMCC26XX.h:588
Definition: PDMCC26XX.h:486
Definition: PDMCC26XX.h:460
void * object
Definition: PDMCC26XX.h:419
underlying data structure for type PIN_State
Definition: PIN.h:707
bool streamStarted
Definition: PDMCC26XX.h:582
void(* PDMCC26XX_CallbackFxn)(PDMCC26XX_Handle handle, PDMCC26XX_StreamNotification *streamNotification)
The definition of a callback function used when buffers are ready.
Definition: PDMCC26XX.h:509
Definition: PDMCC26XX.h:450
PDMCC26XX_Status status
Definition: PDMCC26XX.h:530
PDMCC26XX_MallocFxn mallocFxn
Definition: PDMCC26XX.h:570
PDMCC26XX_Gain defaultFilterGain
Definition: PDMCC26XX.h:563
const int32_t * decimationFilter
Definition: PDMCC26XX.h:594
PIN_Id micPower
Definition: PDMCC26XX.h:436
uint32_t * decimationFilterState
Definition: PDMCC26XX.h:595
PDMCC26XX_Status status
Definition: PDMCC26XX.h:501
bool(* PDMCC26XX_Pdm2PcmFxn)(const void *pdmInBuffer, uint32_t *decimationState, const int32_t *biquadCoefficients, int16_t *pcmOutBuffer)
Function that converts PDM input buffer to PCM output.
Definition: PDMCC26XX.h:410
Definition: PDMCC26XX.h:470
bool isOpen
Definition: PDMCC26XX.h:587
PDMCC26XX_FreeFxn freeFxn
Definition: PDMCC26XX.h:571
PDMCC26XX_PcmSampleRate
PCM output sample rates supported by the driver.
Definition: PDMCC26XX.h:469
PDMCC26XX Object.
Definition: PDMCC26XX.h:580
PDMCC26XX_Status
Status codes that are set by the PDM driver.
Definition: PDMCC26XX.h:449
struct PDMCC26XX_BufferRequest PDMCC26XX_BufferRequest
A PDMCC26XX_BufferRequest data structure is used with PDMCC26XX_requestBuffer().
Definition: PDMCC26XX.h:490
PIN_State pinState
Definition: PDMCC26XX.h:605
bool applyCompression
Definition: PDMCC26XX.h:543
PDMCC26XX_FreeFxn freeFxn
Definition: PDMCC26XX.h:603
uintptr_t custom
Definition: PDMCC26XX.h:572
void PDMCC26XX_Params_init(PDMCC26XX_Params *params)
Generic PIN & GPIO driver.
void(* PDMCC26XX_FreeFxn)(void *ptr, size_t memSize)
PDMCC26XX_FreeFxn is a function pointer for the free function to be used by the driver. This is needed for memory clean up, if something goes wrong.
Definition: PDMCC26XX.h:397
PDMCC26XX Hardware attributes.
Definition: PDMCC26XX.h:434
Definition: PDMCC26XX.h:454
PDMCC26XX_CallbackFxn callbackFxn
Definition: PDMCC26XX.h:569