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Complete redesign of audio driver.

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This commit is contained in:
Reinhard Panhuber
2021-02-12 16:28:41 +01:00
parent 84406f1654
commit a9fd0a454a
7 changed files with 242 additions and 400 deletions
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14
examples/device/uac2_headset/src/tusb_config.h
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@@ -112,20 +112,18 @@ extern "C" {
#define CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP 0
// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense)
#define CFG_TUD_AUDIO_EPSIZE_IN (CFG_TUD_AUDIO_IN_PATH * (48 + 1) * (CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX) * (CFG_TUD_AUDIO_N_CHANNELS_TX)) // 48 Samples (48 kHz) x 2 Bytes/Sample x n Channels
#define CFG_TUD_AUDIO_TX_FIFO_COUNT (CFG_TUD_AUDIO_IN_PATH * 1)
#define CFG_TUD_AUDIO_TX_FIFO_SIZE (CFG_TUD_AUDIO_IN_PATH ? ((CFG_TUD_AUDIO_EPSIZE_IN)) : 0)
#define CFG_TUD_AUDIO_EPSIZE_IN (CFG_TUD_AUDIO_IN_PATH * (48 + 1) * (CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_TX) * (CFG_TUD_AUDIO_N_CHANNELS_TX)) // 48 Samples (48 kHz) x 2 Bytes/Sample x n Channels
#define CFG_TUD_AUDIO_EP_IN_SW_BUFFER_SIZE CFG_TUD_AUDIO_EPSIZE_IN
// EP and buffer size - for isochronous EP´s, the buffer and EP size are equal (different sizes would not make sense)
#define CFG_TUD_AUDIO_EPSIZE_OUT (CFG_TUD_AUDIO_OUT_PATH * ((48 + CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP) * (CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_RX) * (CFG_TUD_AUDIO_N_CHANNELS_RX))) // N Samples (N kHz) x 2 Bytes/Sample x n Channels
#define CFG_TUD_AUDIO_RX_FIFO_COUNT (CFG_TUD_AUDIO_OUT_PATH * 1)
#define CFG_TUD_AUDIO_RX_FIFO_SIZE (CFG_TUD_AUDIO_OUT_PATH ? (3 * (CFG_TUD_AUDIO_EPSIZE_OUT / CFG_TUD_AUDIO_RX_FIFO_COUNT)) : 0)
#define CFG_TUD_AUDIO_EPSIZE_OUT (CFG_TUD_AUDIO_OUT_PATH * ((48 + CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP) * (CFG_TUD_AUDIO_N_BYTES_PER_SAMPLE_RX) * (CFG_TUD_AUDIO_N_CHANNELS_RX))) // N Samples (N kHz) x 2 Bytes/Sample x n Channels
#define CFG_TUD_AUDIO_EP_OUT_SW_BUFFER_SIZE CFG_TUD_AUDIO_EPSIZE_OUT*3
// Number of Standard AS Interface Descriptors (4.9.1) defined per audio function - this is required to be able to remember the current alternate settings of these interfaces - We restrict us here to have a constant number for all audio functions (which means this has to be the maximum number of AS interfaces an audio function has and a second audio function with less AS interfaces just wastes a few bytes)
#define CFG_TUD_AUDIO_N_AS_INT 1
#define CFG_TUD_AUDIO_N_AS_INT 1
// Size of control request buffer
#define CFG_TUD_AUDIO_CTRL_BUF_SIZE 64
#define CFG_TUD_AUDIO_CTRL_BUF_SIZE 64
#ifdef __cplusplus
}