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Added Support for 16 kHz sample rate as well, specifically for direwolf on ARM computers (divides sample rate by 3 by default)

v1.1 v1.1.1
Simon Kueppers 2023-02-24 15:48:35 +01:00
rodzic 11865cd1fb
commit 4ddda35c2b
1 zmienionych plików z 7 dodań i 3 usunięć
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10
stm32/aioc-fw/Src/usb_audio.c
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@ -17,10 +17,12 @@
#define SPEAKER_BUFFERLVL_TARGET (5 * CFG_TUD_AUDIO_EP_SZ_OUT) /* Keep our buffer at 5 frames, i.e. 5ms at full-speed USB and maximum sample rate */ #define SPEAKER_BUFFERLVL_TARGET (5 * CFG_TUD_AUDIO_EP_SZ_OUT) /* Keep our buffer at 5 frames, i.e. 5ms at full-speed USB and maximum sample rate */
typedef enum { typedef enum {
SAMPLERATE_48000, SAMPLERATE_48000, /* The high-quality default */
SAMPLERATE_24000, SAMPLERATE_32000, /* For completeness sake, support 32 kHz as well */
SAMPLERATE_24000, /* Just half of 48 kHz */
SAMPLERATE_22050, /* For APRSdroid support. NOTE: Has approx. 90 ppm of clock frequency error (ca. 22052 Hz) */ SAMPLERATE_22050, /* For APRSdroid support. NOTE: Has approx. 90 ppm of clock frequency error (ca. 22052 Hz) */
SAMPLERATE_12000, SAMPLERATE_16000, /* On ARM platforms, direwolf will by default, divide configured sample rate by 3, thus support 16 kHz */
SAMPLERATE_12000, /* Just a quarter of 48 kHz */
SAMPLERATE_11025, /* NOTE: Has approx. 90 ppm of clock frequency error (ca. 11026 Hz) */ SAMPLERATE_11025, /* NOTE: Has approx. 90 ppm of clock frequency error (ca. 11026 Hz) */
SAMPLERATE_8000, SAMPLERATE_8000,
SAMPLERATE_COUNT /* Has to be last element */ SAMPLERATE_COUNT /* Has to be last element */
@ -56,8 +58,10 @@ static audio_control_range_4_n_t(SAMPLERATE_COUNT) sampleFreqRng = {
.wNumSubRanges = SAMPLERATE_COUNT, .wNumSubRanges = SAMPLERATE_COUNT,
.subrange = { .subrange = {
[SAMPLERATE_48000] = {.bMin = 48000, .bMax = 48000, .bRes = 0}, [SAMPLERATE_48000] = {.bMin = 48000, .bMax = 48000, .bRes = 0},
[SAMPLERATE_32000] = {.bMin = 32000, .bMax = 32000, .bRes = 0},
[SAMPLERATE_24000] = {.bMin = 24000, .bMax = 24000, .bRes = 0}, [SAMPLERATE_24000] = {.bMin = 24000, .bMax = 24000, .bRes = 0},
[SAMPLERATE_22050] = {.bMin = 22050, .bMax = 22050, .bRes = 0}, [SAMPLERATE_22050] = {.bMin = 22050, .bMax = 22050, .bRes = 0},
[SAMPLERATE_16000] = {.bMin = 16000, .bMax = 16000, .bRes = 0},
[SAMPLERATE_12000] = {.bMin = 12000, .bMax = 12000, .bRes = 0}, [SAMPLERATE_12000] = {.bMin = 12000, .bMax = 12000, .bRes = 0},
[SAMPLERATE_11025] = {.bMin = 11025, .bMax = 11025, .bRes = 0}, [SAMPLERATE_11025] = {.bMin = 11025, .bMax = 11025, .bRes = 0},
[SAMPLERATE_8000] = {.bMin = 8000, .bMax = 8000, .bRes = 0}, [SAMPLERATE_8000] = {.bMin = 8000, .bMax = 8000, .bRes = 0},