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/btstack/3rd-party/lc3-google/include/
H A Dlc3.h47 * any supported sample rates (8 to 48 KHz). Two frames duration are
96 * --- About 44.1 KHz sample rate ---
99 * the 44.1 KHz sample rate, although there is no support in the core algorithm
101 * We can summarize the 44.1 KHz support by "You can put any sample rate around
102 * the defined base sample rates." Please mind the following items :
105 * by 'supported sample rate' / 'input sample rate'
137 * | enc = lc3_setup_encoder(frame_us, sample rate,
138 * | malloc(lc3_encoder_size(frame_us, sample rate)));
198 * LC3_CHECK_SR_HZ(sr) True when sample rate in Hz is suitable
201 * True when sample rate in Hz is suitable, according to the
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H A Dlc3_cpp.h35 // PCM Sample Format
119 // The sample rate `sr_hz` is 8000, 16000, 24000, 32000 or 48000 Hz.
121 // the sample rate is 48000 or 96000 Hz.
124 // the value 0 fallback to the sample rate of the encoded stream `sr_hz`.
126 // sample rate `sr_hz`.
227 // The sample rate `sr_hz` is 8000, 16000, 24000, 32000 or 48000 Hz.
229 // the sample rate is 48000 or 96000 Hz.
232 // the value 0 fallback to the sample rate of the decoded stream `sr_hz`.
234 // sample rate `sr_hz`.
/btstack/src/
H A Dbtstack_sample_rate_compensation.h39 * @title Sample rate compensation
41 …er-run at the audio receiver by compensating for varying/different playback/receiving sample rates.
43 …* Intended to measure the L2CAP packet sample rate and with the provided playback sample rate calc…
46 * Requires the audio interface to provide the current playback sample rate.
77 uint32_t constant_playback_sample_rate; // playback sample rate if no real one is available
85 * @brief Initialize sample rate compensation
87 * @param time stamp at which to start sample rate measurement
92 * @brief reset sample rate compensation
94 * @param time stamp at which to start sample rate measurement
99 * @brief update sample rate compensation with the current playback sample rate decoded samples
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H A Dbtstack_audio.h44 * requires that the sample rate is the same for sink and source roles
63 * @param Sample rate
72 * @brief Get the current playback sample rate, may differ from the
73 * specified sample rate
106 * @param Sample rate
115 * @brief Get the current recording sample rate, may differ from the
H A Dbtstack_sample_rate_compensation.c63 log_debug("current playback sample rate: %" PRId32 "", playback_sample_rate ); in btstack_sample_rate_compensation_update()
78 … log_debug("current l2cap sample rate: %f (%d %d)", current_sample_rate, delta, self->count ); in btstack_sample_rate_compensation_update()
83 uint32_t fixed_rate = (self->count*(UINT16_C(1)<<15))/delta*1000; // sample rate as Q15 in btstack_sample_rate_compensation_update()
85 …log_debug("fp current l2cap sample rate: %f (%" PRId32 " %" PRId32 ")", Q15_TO_FLOAT(fixed_rate), … in btstack_sample_rate_compensation_update()
H A Dbtstack_resample.c65 // samples between last sample of previous block and first sample in current block in btstack_resample_block()
85 // store last sample in btstack_resample_block()
H A Dbtstack_util.h169 uint16_t sample = 0x0100; in btstack_is_big_endian() local
170 return (int) *(uint8_t*) &sample; in btstack_is_big_endian()
178 uint16_t sample = 0x0001; in btstack_is_little_endian() local
179 return (int) *(uint8_t*) &sample; in btstack_is_little_endian()
/btstack/3rd-party/hxcmod-player/
H A Dhxcmod.c470 // Note : Directly modify the sample in the mod buffer... in doFunk()
483 // we rename sample into a_sample to avoid shadowing typedef struct { .. } sample; from hxcmod.h in worknote()
545 // Partamento effect - Play the new note after the current sample. in worknote()
550 else // Note without period : Trigger it after the current sample. in worknote()
555 // Prepare the next sample retrigger after the current one in worknote()
561 if(cptr->nxt_replen < 2) // Protracker : don't play the sample if not looped... in worknote()
662 sample by x*16+y after each tick in the division". The in worknote()
678 sample by x*16+y after each tick in the division". Similar to [1], in worknote()
690 Where [3][x][y] means "smoothly change the period of current sample in worknote()
715 Where [4][x][y] means "oscillate the sample pitch using a in worknote()
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/btstack/port/msp432p401lp-cc256x/ti/devices/msp432p4xx/driverlib/
H A Dadc14.h403 //! Sets the sample/hold time for the specified memory register range. The
404 //! duration of time required for a sample differs depending on the user's
442 //! Configures the ADC module to use a multiple memory sample scheme. This
444 //! multiple memory locations. The first sample/conversion will be placed in
445 //! memoryStart, while the last sample will be stored in memoryEnd.
450 //! ADC module to resume sampling once the initial sample/conversion set is
451 //! executed. For multi-sample mode, this means that the sampling of the
454 //! \param memoryStart Memory location to store first sample/conversion
457 //! \param memoryEnd Memory location to store last sample.
460 //! \param repeatMode Specifies whether or not to repeat the conversion/sample
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/btstack/port/stm32-l451-miromico-sx1280/Drivers/STM32L4xx_HAL_Driver/Inc/
H A Dstm32l4xx_ll_dac.h55 /* - channel register offset of sample-and-hold sample time register SHSRx */
182 …uint32_t OutputMode; /*!< Set the output mode normal or sample-and-hold for the s…
205 …_FLAG_BWST1 (DAC_SR_BWST1) /*!< DAC channel 1 flag busy writing sample time */
211 …_FLAG_BWST2 (DAC_SR_BWST2) /*!< DAC channel 2 flag busy writing sample time */
344 …ODE1_2) /*!< The selected DAC channel output is on mode sample-and-hold. Mode sample-and-hol…
362 …On this STM32 serie, output connection depends on output mode (normal or sample and hold) and outp…
969 * - mode normal or sample-and-hold
978 * (normal or sample and hold) and output buffer state.
984 * is disabled, output mode set to sample and hold:
987 * @note Mode sample-and-hold requires an external capacitor
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/btstack/3rd-party/segger-rtt/
H A DREADME.txt7 - Main_RTT_InputEchoApp.c - Sample application which echoes input on Channel 0.
8 … - Main_RTT_MenuApp.c - Sample application to demonstrate RTT bi-directional functionality.
9 - Main_RTT_PrintfTest.c - Sample application to test RTT small printf implementation.
10 - Main_RTT_SpeedTestApp.c - Sample application for measuring RTT performance. embOS needed.
/btstack/port/samv71-xplained-atwilc3000/ASF/sam/utils/cmsis/samv71/include/component/
H A Dafec.h84 __IO uint32_t AFEC_SHMR; /**< \brief (Afec Offset: 0xA0) AFEC Sample & Hold Mode Register */
170 #define AFEC_EMR_RES_NO_AVERAGE (0x0u << 16) /**< \brief (AFEC_EMR) 12-bit resolution, AFE sample…
171 #define AFEC_EMR_RES_OSR4 (0x2u << 16) /**< \brief (AFEC_EMR) 13-bit resolution, AFE sample rate …
172 #define AFEC_EMR_RES_OSR16 (0x3u << 16) /**< \brief (AFEC_EMR) 14-bit resolution, AFE sample rate…
173 #define AFEC_EMR_RES_OSR64 (0x4u << 16) /**< \brief (AFEC_EMR) 15-bit resolution, AFE sample rate…
174 #define AFEC_EMR_RES_OSR256 (0x5u << 16) /**< \brief (AFEC_EMR) 16-bit resolution, AFE sample rat…
449 /* -------- AFEC_SHMR : (AFEC Offset: 0xA0) AFEC Sample & Hold Mode Register -------- */
450 #define AFEC_SHMR_DUAL0 (0x1u << 0) /**< \brief (AFEC_SHMR) Dual Sample & Hold for channel 0 */
451 #define AFEC_SHMR_DUAL1 (0x1u << 1) /**< \brief (AFEC_SHMR) Dual Sample & Hold for channel 1 */
452 #define AFEC_SHMR_DUAL2 (0x1u << 2) /**< \brief (AFEC_SHMR) Dual Sample & Hold for channel 2 */
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/btstack/tool/
H A Dsine_table_generator.py6 # sample rate at 44100Hz, sine at 441Hz -> 441 sines in 44100 samples -> 44100/441 samples/sine
40 for sample in range(0,sine_num_samples):
42 angle = (sample * 360.0) / sine_num_samples
/btstack/example/
H A Dle_audio_demo_util_source.c224 uint16_t sample; in le_audio_demo_util_source_generate_iso_frame() local
249 for (sample = 0 ; sample < le_audio_demo_source_num_samples_per_frame ; sample++){ in le_audio_demo_util_source_generate_iso_frame()
253 … le_audio_demo_source_pcm[sample * le_audio_demo_source_num_channels + i] = value; in le_audio_demo_util_source_generate_iso_frame()
/btstack/3rd-party/lc3-google/python/
H A Dlc3.py57 raise ValueError("Invalid sample rate: %d Hz" % samplerate)
243 it's a vector of floating point values from -1 to 1, coding the sample
245 object, each sample coded on `bitdepth` bits (16 or 24).
369 from -1 to 1, coding the sample levels. When `bitdepth` is defined,
370 it returns a byte array, each sample coded on `bitdepth` bits.
/btstack/test/le_audio/
H A Dlc3_test.c278 uint16_t sample; in generate_audio() local
282 for (sample = 0 ; sample < number_samples_per_frame ; sample++){ in generate_audio()
286 pcm[sample * num_bis + channel] = value; in generate_audio()
H A DREADME.md18 the `hci_uart` sample is used here over USB CDC
46 CONFIG_USB_DEVICE_PRODUCT="Zephyr HCI UART sample"
/btstack/port/samv71-xplained-atwilc3000/ASF/thirdparty/CMSIS/Include/
H A Darm_math.h560 /* Convert input sample to 1.31 format */ in arm_recip_q31()
611 /* Convert input sample to 1.15 format */ in arm_recip_q15()
1269 int8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
1282 uint8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
3230 * @param[in] firstIndex is the first output sample to start with.
3251 * @param[in] firstIndex is the first output sample to start with.
3277 * @param[in] firstIndex is the first output sample to start with.
3298 * @param[in] firstIndex is the first output sample to start with.
3320 * @param[in] firstIndex is the first output sample to start with.
3346 * @param[in] firstIndex is the first output sample to start with.
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/btstack/port/stm32-l073rz-nucleo-em9304/Drivers/CMSIS/Include/
H A Darm_math.h582 /* Convert input sample to 1.31 format */ in arm_recip_q31()
633 /* Convert input sample to 1.15 format */ in arm_recip_q15()
1225 int8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
1236 uint8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
3072 * @param[in] firstIndex is the first output sample to start with.
3093 * @param[in] firstIndex is the first output sample to start with.
3118 * @param[in] firstIndex is the first output sample to start with.
3139 * @param[in] firstIndex is the first output sample to start with.
3160 * @param[in] firstIndex is the first output sample to start with.
3185 * @param[in] firstIndex is the first output sample to start with.
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/btstack/port/renesas-tb-s1ja-cc256x/template/btstack_example/synergy/ssp/inc/bsp/cmsis/Include/
H A Darm_math.h627 /* Convert input sample to 1.31 format */ in arm_recip_q31()
678 /* Convert input sample to 1.15 format */ in arm_recip_q15()
1309 int8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
1320 uint8_t postShift; /**< Additional shift, in bits, applied to each output sample. */
3156 * @param[in] firstIndex is the first output sample to start with.
3177 * @param[in] firstIndex is the first output sample to start with.
3202 * @param[in] firstIndex is the first output sample to start with.
3223 * @param[in] firstIndex is the first output sample to start with.
3244 * @param[in] firstIndex is the first output sample to start with.
3269 * @param[in] firstIndex is the first output sample to start with.
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/btstack/port/zephyr/
H A Dsample.yaml1 sample:
4 sample.bluetooth.btstack:
/btstack/platform/embedded/
H A Dbtstack_audio_embedded.c108 int16_t sample = buffer[i]; in driver_timer_handler_sink() local
109 buffer[2*i + 0] = sample; in driver_timer_handler_sink()
110 buffer[2*i + 1] = sample; in driver_timer_handler_sink()
/btstack/src/classic/
H A Dbtstack_sbc.h110 * @note each audio frame contains 2 sample values in stereo modes
194 * @brief Get sample rate in hz
239 * @note each audio frame contains 2 sample values in stereo modes
/btstack/test/hfp/
H A Dsco_demo_util.c160 int16_t sample = sine_int16_at_16000hz[phase]; in sco_demo_sine_wave_int16_at_8000_hz_little_endian() local
161 little_endian_store_16(data, i * 2, sample); in sco_demo_sine_wave_int16_at_8000_hz_little_endian()
162 // ony use every second sample from 16khz table to get 8khz in sco_demo_sine_wave_int16_at_8000_hz_little_endian()
300 // printf("handle_pcm_data num samples %u, sample rate %d\n", num_samples, num_channels); in handle_pcm_data()
585 …// @note We don't use (uint16_t *) casts since all sample addresses are odd which causes crahses o… in sco_demo_send()
/btstack/port/stm32-f4discovery-usb/port/
H A Dhal_audio_f4discovery.c111 * @param Sample rate
208 // ony use every second sample from 16khz table to get 8khz in sco_demo_sine_wave_int16_at_8000_hz_host_endian()
277 * @param Sample rate

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