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UAC2: add interrupt volume control to uac2_headset example.

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HiFiPhile
2024-04-01 19:55:51 +02:00
parent 7ca988018e
commit 6cf27986b6
4 changed files with 59 additions and 7 deletions
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7
examples/device/uac2_headset/src/usb_descriptors.c
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@@ -82,27 +82,32 @@ uint8_t const * tud_descriptor_device_cb(void)
// 0 control, 1 In, 2 Bulk, 3 Iso, 4 In etc ...
#define EPNUM_AUDIO_IN 0x03
#define EPNUM_AUDIO_OUT 0x03
#define EPNUM_AUDIO_INT 0x01
#elif CFG_TUSB_MCU == OPT_MCU_NRF5X
// ISO endpoints for NRF5x are fixed to 0x08 (0x88)
#define EPNUM_AUDIO_IN 0x08
#define EPNUM_AUDIO_OUT 0x08
#define EPNUM_AUDIO_INT 0x01
#elif CFG_TUSB_MCU == OPT_MCU_SAMG || CFG_TUSB_MCU == OPT_MCU_SAMX7X
// SAMG & SAME70 don't support a same endpoint number with different direction IN and OUT
// e.g EP1 OUT & EP1 IN cannot exist together
#define EPNUM_AUDIO_IN 0x01
#define EPNUM_AUDIO_OUT 0x02
#define EPNUM_AUDIO_INT 0x03
#elif CFG_TUSB_MCU == OPT_MCU_FT90X || CFG_TUSB_MCU == OPT_MCU_FT93X
// FT9XX doesn't support a same endpoint number with different direction IN and OUT
// e.g EP1 OUT & EP1 IN cannot exist together
#define EPNUM_AUDIO_IN 0x01
#define EPNUM_AUDIO_OUT 0x02
#define EPNUM_AUDIO_INT 0x03
#else
#define EPNUM_AUDIO_IN 0x01
#define EPNUM_AUDIO_OUT 0x01
#define EPNUM_AUDIO_INT 0x02
#endif
uint8_t const desc_configuration[] =
@@ -111,7 +116,7 @@ uint8_t const desc_configuration[] =
TUD_CONFIG_DESCRIPTOR(1, ITF_NUM_TOTAL, 0, CONFIG_TOTAL_LEN, 0x00, 100),
// Interface number, string index, EP Out & EP In address, EP size
TUD_AUDIO_HEADSET_STEREO_DESCRIPTOR(2, EPNUM_AUDIO_OUT, EPNUM_AUDIO_IN | 0x80)
TUD_AUDIO_HEADSET_STEREO_DESCRIPTOR(2, EPNUM_AUDIO_OUT, EPNUM_AUDIO_IN | 0x80, EPNUM_AUDIO_INT | 0x80)
};
// Invoked when received GET CONFIGURATION DESCRIPTOR