// Copyright (c) 2017-2018, XMOS Ltd, All rights reserved #ifndef _XUA_CONF_H_ #define _XUA_CONF_H_ #define NUM_USB_CHAN_OUT 2 /* Number of channels from host to device */ #define NUM_USB_CHAN_IN 2 /* Number of channels from device to host */ #define I2S_CHANS_DAC 2 /* Number of I2S channels out of xCORE */ #define I2S_CHANS_ADC 2 /* Number of I2S channels in to xCORE */ #define MCLK_441 (512 * 44100) /* 44.1kHz family master clock frequency */ #define MCLK_48 (512 * 48000) /* 48kHz family master clock frequency */ #define MIN_FREQ 48000 /* Minimum sample rate */ #define MAX_FREQ 48000 /* Maximum sample rate */ #define EXCLUDE_USB_AUDIO_MAIN #define VENDOR_STR "XMOS" #define VENDOR_ID 0x20B1 #define PRODUCT_STR_A2 "XUA Lite Class 2" #define PRODUCT_STR_A1 "XUA Lite Class 1" #define PID_AUDIO_1 1 #define PID_AUDIO_2 2 #define XUA_DFU_EN 0 /* Disable DFU (for simplicity of example) */ #define INPUT_FORMAT_COUNT 1 #define STREAM_FORMAT_INPUT_1_RESOLUTION_BITS 16 #define OUTPUT_FORMAT_COUNT 1 #define STREAM_FORMAT_OUTPUT_1_RESOLUTION_BITS 16 #define OUTPUT_VOLUME_CONTROL 0 #define INPUT_VOLUME_CONTROL 0 #define UAC_FORCE_FEEDBACK_EP 0 #define XUA_ADAPTIVE 1 #define XUA_LITE 1 // Use simple/optimised USB buffer tasks #define AUDIO_CLASS 1 #define XUA_NUM_PDM_MICS 4 // It's actually 2 but we run 4ch and ignore 2 #define PDM_MAX_DECIMATION (96000/(MIN_FREQ)) #endif