forked from PAWPAW-Mirror/lib_xua
25 lines
1.4 KiB
C
25 lines
1.4 KiB
C
#include <xs1.h>
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#include "xua_ep0_wrapper.h"
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#include "xua.h"
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//Currently only single frequency supported
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#define NOMINAL_SR_DEVICE DEFAULT_FREQ
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#define NOMINAL_SR_HOST DEFAULT_FREQ
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#define DIV_ROUND_UP(n, d) (n / d + 1) //Always rounds up to the next integer. Needed for 48001Hz case etc.
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#define BIGGEST(a, b) (a > b ? a : b)
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#define SOF_FREQ_HZ (8000 - ((2 - AUDIO_CLASS) * 7000) ) //1000 for FS or 8000 for HS
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//Defines for endpoint buffer sizes. Samples is total number of samples across all channels
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#define MAX_OUT_SAMPLES_PER_SOF_PERIOD (DIV_ROUND_UP(MAX_FREQ, SOF_FREQ_HZ) * NUM_USB_CHAN_OUT)
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#define MAX_IN_SAMPLES_PER_SOF_PERIOD (DIV_ROUND_UP(MAX_FREQ, SOF_FREQ_HZ) * NUM_USB_CHAN_IN)
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#define MAX_OUTPUT_SLOT_SIZE 4
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#define MAX_INPUT_SLOT_SIZE 4
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#define OUT_AUDIO_BUFFER_SIZE_BYTES (MAX_OUT_SAMPLES_PER_SOF_PERIOD * MAX_OUTPUT_SLOT_SIZE)
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#define IN_AUDIO_BUFFER_SIZE_BYTES (MAX_IN_SAMPLES_PER_SOF_PERIOD * MAX_INPUT_SLOT_SIZE)
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unsafe void XUA_Buffer_lite(chanend c_ep0_out, chanend c_ep0_in, chanend c_aud_out, chanend ?c_feedback, chanend c_aud_in, chanend c_sof, in port p_for_mclk_count, streaming chanend c_audio_hub);
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[[combinable]]
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unsafe void XUA_Buffer_lite2(server ep0_control_if i_ep0_ctl, chanend c_aud_out, chanend ?c_feedback, chanend c_aud_in, chanend c_sof, in port p_for_mclk_count, streaming chanend c_audio_hub); |