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PID loop development + move rate control to own source files

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Ed Clarke
2018-11-30 10:14:34 +00:00
parent 0b2839c9fc
commit 45d84a2b84
5 changed files with 243 additions and 207 deletions
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19
examples/xua_lite_example/src/xua_buffer_lite.h
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@@ -1,5 +1,24 @@
#include <xs1.h>
#include "xua_ep0_wrapper.h"
#include "xua.h"
//Currently only single frequency supported
#define NOMINAL_SR_DEVICE DEFAULT_FREQ
#define NOMINAL_SR_HOST DEFAULT_FREQ
#define DIV_ROUND_UP(n, d) (n / d + 1) //Always rounds up to the next integer. Needed for 48001Hz case etc.
#define BIGGEST(a, b) (a > b ? a : b)
#define SOF_FREQ_HZ (8000 - ((2 - AUDIO_CLASS) * 7000) ) //1000 for FS or 8000 for HS
//Defines for endpoint buffer sizes. Samples is total number of samples across all channels
#define MAX_OUT_SAMPLES_PER_SOF_PERIOD (DIV_ROUND_UP(MAX_FREQ, SOF_FREQ_HZ) * NUM_USB_CHAN_OUT)
#define MAX_IN_SAMPLES_PER_SOF_PERIOD (DIV_ROUND_UP(MAX_FREQ, SOF_FREQ_HZ) * NUM_USB_CHAN_IN)
#define MAX_OUTPUT_SLOT_SIZE 4
#define MAX_INPUT_SLOT_SIZE 4
#define OUT_AUDIO_BUFFER_SIZE_BYTES (MAX_OUT_SAMPLES_PER_SOF_PERIOD * MAX_OUTPUT_SLOT_SIZE)
#define IN_AUDIO_BUFFER_SIZE_BYTES (MAX_IN_SAMPLES_PER_SOF_PERIOD * MAX_INPUT_SLOT_SIZE)
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);
[[combinable]]