diff options
Diffstat (limited to 'examples/device/uac2_headset/src/tusb_config.h')
| -rw-r--r-- | examples/device/uac2_headset/src/tusb_config.h | 48 |
1 files changed, 32 insertions, 16 deletions
diff --git a/examples/device/uac2_headset/src/tusb_config.h b/examples/device/uac2_headset/src/tusb_config.h index 88f9efcff..d955a746d 100644 --- a/examples/device/uac2_headset/src/tusb_config.h +++ b/examples/device/uac2_headset/src/tusb_config.h @@ -93,33 +93,49 @@ extern "C" { //-------------------------------------------------------------------- // AUDIO CLASS DRIVER CONFIGURATION //-------------------------------------------------------------------- -#define CFG_TUD_AUDIO_IN_PATH (CFG_TUD_AUDIO) -#define CFG_TUD_AUDIO_OUT_PATH (CFG_TUD_AUDIO) -//#define CFG_TUD_AUDIO_FUNC_1_DESC_LEN 220 // This equals TUD_AUDIO_HEADSET_STEREO_DESC_LEN, however, including it from usb_descriptors.h is not possible due to some strange include hassle -#define CFG_TUD_AUDIO_FUNC_1_DESC_LEN TUD_AUDIO_HEADSET_STEREO_DESC_LEN +#define CFG_TUD_AUDIO_FUNC_1_DESC_LEN TUD_AUDIO_HEADSET_STEREO_DESC_LEN + +// How many formats are used, need to adjust USB descriptor if changed +#define CFG_TUD_AUDIO_FUNC_1_N_FORMATS 2 // Audio format type I specifications -#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX 1 -#define CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX 2 -#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX 2 -#define CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_RX 2 -#define CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP 0 +#define CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE 96000 // 24bit/96kHz is the best quality for full-speed, high-speed is needed beyond this +#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX 1 +#define CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX 2 + +// 16bit in 16bit slots +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX 2 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_TX 16 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX 2 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_RESOLUTION_RX 16 + +// 24bit in 32bit slots +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX 4 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_TX 24 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_RX 4 +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_RESOLUTION_RX 24 // 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_ENABLE_EP_IN 1 -#define CFG_TUD_AUDIO_EP_SZ_IN (CFG_TUD_AUDIO_IN_PATH * (48 + 1) * (CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_TX) * (CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX)) // 48 Samples (48 kHz) x 2 Bytes/Sample x n Channels -#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ CFG_TUD_AUDIO_EP_SZ_IN -#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX CFG_TUD_AUDIO_EP_SZ_IN // Maximum EP IN size for all AS alternate settings used + +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX) +#define CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_TX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_TX) + +#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SW_BUF_SZ TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN)*2 +#define CFG_TUD_AUDIO_FUNC_1_EP_IN_SZ_MAX TU_MAX(CFG_TUD_AUDIO_FUNC_1_FORMAT_1_EP_SZ_IN, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_EP_SZ_IN) // Maximum EP IN size for all AS alternate settings used // 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_ENABLE_EP_OUT 1 -#define CFG_TUD_AUDIO_EP_OUT_SZ (CFG_TUD_AUDIO_OUT_PATH * ((48 + CFG_TUD_AUDIO_ENABLE_FEEDBACK_EP) * (CFG_TUD_AUDIO_FUNC_1_N_BYTES_PER_SAMPLE_RX) * (CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX))) // N Samples (N kHz) x 2 Bytes/Sample x n Channels -#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ CFG_TUD_AUDIO_EP_OUT_SZ*3 -#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SZ_MAX CFG_TUD_AUDIO_EP_OUT_SZ // Maximum EP IN size for all AS alternate settings used + +#define CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_1_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX) +#define CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT TUD_AUDIO_EP_SIZE(CFG_TUD_AUDIO_FUNC_1_MAX_SAMPLE_RATE, CFG_TUD_AUDIO_FUNC_1_FORMAT_2_N_BYTES_PER_SAMPLE_RX, CFG_TUD_AUDIO_FUNC_1_N_CHANNELS_RX) + +#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SW_BUF_SZ TU_MAX(CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT, CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT)*2 +#define CFG_TUD_AUDIO_FUNC_1_EP_OUT_SZ_MAX TU_MAX(CFG_TUD_AUDIO_UNC_1_FORMAT_1_EP_SZ_OUT, CFG_TUD_AUDIO_UNC_1_FORMAT_2_EP_SZ_OUT) // Maximum EP IN size for all AS alternate settings used // 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_FUNC_1_N_AS_INT 1 +#define CFG_TUD_AUDIO_FUNC_1_N_AS_INT 2 // Size of control request buffer #define CFG_TUD_AUDIO_FUNC_1_CTRL_BUF_SZ 64 |