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https://github.com/sle118/squeezelite-esp32.git
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Ring buffer implementation
First stab at implementing a ring buffer. Now tuning should be done. The statistics report causes jitters and can be deactivated by lowering the output verbosity.
This commit is contained in:
Sebastien Leclerc
@@ -1,28 +1,44 @@
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#include "squeezelite.h"
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#include "driver/i2s.h"
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#include "perf_trace.h"
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#include <signal.h>
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#define I2S_NUM (0)
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#define I2S_BCK_IO (GPIO_NUM_26)
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#define I2S_WS_IO (GPIO_NUM_25)
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#define I2S_DO_IO (GPIO_NUM_22)
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#define I2S_DI_IO (-1)
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#define TIMED_SECTION_START_MS_FORCE(x,force) { static time_t __aa_time_start = 0; if(hasTimeElapsed(&__aa_time_start,x,force)) {
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#define TIMED_SECTION_START_MS(x) { static time_t __aa_time_start = 0; if(hasTimeElapsed(&__aa_time_start,x,false)){
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#define TIMED_SECTION_START_FORCE(x,force) TIMED_SECTION_START_MS(x * 1000UL,force)
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#define TIMED_SECTION_START(x) TIMED_SECTION_START_MS(x * 1000UL)
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#define TIMED_SECTION_END }}
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#define DECLARE_ALL_MIN_MAX \
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DECLARE_MIN_MAX(req, long,LONG); \
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DECLARE_MIN_MAX(rec, long,LONG); \
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DECLARE_MIN_MAX(over, long,LONG); \
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DECLARE_MIN_MAX(o, long,LONG); \
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DECLARE_MIN_MAX(s, long,LONG); \
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DECLARE_MIN_MAX(d, long,LONG); \
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DECLARE_MIN_MAX(loci2sbuf, long,LONG); \
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DECLARE_MIN_MAX(buffering, long,LONG);\
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DECLARE_MIN_MAX(i2s_time, long,LONG); \
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DECLARE_MIN_MAX(i2savailable, long,LONG);
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#define RESET_ALL_MIN_MAX \
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RESET_MIN_MAX(d,LONG); \
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RESET_MIN_MAX(o,LONG); \
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RESET_MIN_MAX(s,LONG); \
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RESET_MIN_MAX(loci2sbuf, LONG); \
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RESET_MIN_MAX(req,LONG); \
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RESET_MIN_MAX(rec,LONG); \
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RESET_MIN_MAX(over,LONG); \
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RESET_MIN_MAX(over,LONG); \
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RESET_MIN_MAX(i2savailable,LONG);\
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RESET_MIN_MAX(i2s_time,LONG);
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static log_level loglevel;
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size_t dac_buffer_size =0;
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static bool running = true;
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static bool isI2SStarted=false;
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extern struct outputstate output;
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extern struct buffer *streambuf;
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extern struct buffer *outputbuf;
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extern u8_t *silencebuf;
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static struct buffer _dac_buffer_structure;
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struct buffer *dacbuffer=&_dac_buffer_structure;
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static i2s_config_t i2s_config;
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#if REPACK && BYTES_PER_FRAMES == 4
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#error "REPACK is not compatible with BYTES_PER_FRAME=4"
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@@ -32,38 +48,22 @@ static i2s_config_t i2s_config;
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#define UNLOCK mutex_unlock(outputbuf->mutex)
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#define FRAME_BLOCK MAX_SILENCE_FRAMES
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#define DAC_OUTPUT_BUFFER_FRAMES FRAME_BLOCK
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#define DAC_OUTPUT_BUFFER_RESERVE FRAME_BLOCK/2
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#define I2S_FRAME_SIZE 256
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#define FRAME_TO_BYTES(f) f*BYTES_PER_FRAME
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#define BYTES_TO_FRAME(b) b/BYTES_PER_FRAME
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#define FRAMES_TO_MS(f) 1000*f/output.current_sample_rate
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#define BYTES_TO_MS(b) FRAMES_TO_MS(BYTES_TO_FRAME(b))
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#define SET_MIN_MAX(val,var) var=val; if(var<min_##var) min_##var=var; if(var>max_##var) max_##var=var
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#define RESET_MIN_MAX(var,mv) min_##var=mv##_MAX; max_##var=mv##_MIN
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#define DECLARE_MIN_MAX(var,t,mv) static t min_##var = mv##_MAX, max_##var = mv##_MIN; t var=0
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#define DECLARE_ALL_MIN_MAX DECLARE_MIN_MAX(req, long,LONG); DECLARE_MIN_MAX(o, long,LONG); DECLARE_MIN_MAX(s, long,LONG); DECLARE_MIN_MAX(d, long,LONG); DECLARE_MIN_MAX(duration, long,LONG);DECLARE_MIN_MAX(buffering, long,LONG);DECLARE_MIN_MAX(totalprocess, long,LONG);
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#define RESET_ALL_MIN_MAX RESET_MIN_MAX(d,LONG); RESET_MIN_MAX(o,LONG); RESET_MIN_MAX(s,LONG); RESET_MIN_MAX(req,LONG); RESET_MIN_MAX(duration,LONG);RESET_MIN_MAX(buffering,LONG);RESET_MIN_MAX(totalprocess,LONG);
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extern u8_t *silencebuf;
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#define FRAME_TO_BYTES(f) f*out_bytes_per_frame
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#define BYTES_TO_FRAME(b) b/out_bytes_per_frame
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static u8_t *optr;
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static int bytes_per_frame;
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static int out_bytes_per_frame;
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static thread_type thread;
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static int _dac_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t gainR,
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s32_t cross_gain_in, s32_t cross_gain_out, ISAMPLE_T **cross_ptr);
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static void *output_thread();
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bool hasTimeElapsed(time_t * lastTime, time_t delayMS, bool bforce)
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{
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if (*lastTime <= gettime_ms() ||bforce)
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{
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*lastTime = gettime_ms() + delayMS;
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return true;
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}
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else
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return false;
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}
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/****************************************************************************************
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* set output volume
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*/
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void set_volume(unsigned left, unsigned right) {
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LOG_DEBUG("setting internal gain left: %u right: %u", left, right);
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LOCK;
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@@ -72,62 +72,77 @@ void set_volume(unsigned left, unsigned right) {
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UNLOCK;
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}
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/****************************************************************************************
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* Initialize the DAC output
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*/
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void output_init_dac(log_level level, char *device, unsigned output_buf_size, char *params, unsigned rates[], unsigned rate_delay, unsigned idle) {
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loglevel = level;
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optr = malloc(FRAME_TO_BYTES(DAC_OUTPUT_BUFFER_FRAMES));
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if (!optr) {
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LOG_ERROR("unable to malloc buf");
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return;
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}
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LOG_INFO("init output DAC");
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LOG_INFO("Init output DAC.");
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LOG_DEBUG("Setting output parameters.");
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memset(&output, 0, sizeof(output));
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#if BYTES_PER_FRAME == 4
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output.format = S16_LE;
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#else
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output.format = S32_LE;
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#endif
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output.start_frames = DAC_OUTPUT_BUFFER_FRAMES*2;
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output.write_cb = &_dac_write_frames;
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output.rate_delay = rate_delay;
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if (params) {
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if (!strcmp(params, "32")) output.format = S32_LE;
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if (!strcmp(params, "24")) output.format = S24_3LE;
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if (!strcmp(params, "16")) output.format = S16_LE;
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switch (CONFIG_I2S_BITS_PER_CHANNEL) {
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case 24:
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output.format = S24_BE;
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break;
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case 16:
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output.format = S16_BE;
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break;
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case 8:
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output.format = S8_BE;
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break;
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default:
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LOG_ERROR("Unsupported bit depth %d",CONFIG_I2S_BITS_PER_CHANNEL);
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break;
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}
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// ensure output rate is specified to avoid test open
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if (!rates[0]) {
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rates[0] = 44100;
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}
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running=true;
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// get common output configuration details
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output_init_common(level, device, output_buf_size, rates, idle);
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out_bytes_per_frame = get_bytes_per_frame(output.format);
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output.start_frames = FRAME_BLOCK;
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output.write_cb = &_dac_write_frames;
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output.rate_delay = rate_delay;
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i2s_config.mode = I2S_MODE_MASTER | I2S_MODE_TX; // Only TX
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i2s_config.sample_rate = output.current_sample_rate;
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i2s_config.bits_per_sample = BYTES_PER_FRAME * 8/2;
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i2s_config.bits_per_sample = get_bytes_per_frame(output.format) * 8/2;
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i2s_config.channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT; //2-channels
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i2s_config.communication_format = I2S_COMM_FORMAT_I2S
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| (output.format==S16_LE||output.format==S32_LE||output.format==S24_3LE)?I2S_COMM_FORMAT_I2S_LSB:I2S_COMM_FORMAT_I2S_MSB;
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i2s_config.dma_buf_count = 6; //todo: tune this parameter. Expressed in numbrer of buffers.
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i2s_config.dma_buf_len = I2S_FRAME_SIZE; // todo: tune this parameter. Expressed in number of samples. Byte size depends on bit depth
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i2s_config.communication_format = I2S_COMM_FORMAT_I2S| I2S_COMM_FORMAT_I2S_MSB;
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// todo: tune this parameter. Expressed in number of samples. Byte size depends on bit depth.
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i2s_config.dma_buf_count = 64; //todo: tune this parameter. Expressed in numbrer of buffers.
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i2s_config.dma_buf_len = 128;
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i2s_config.use_apll = false;
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i2s_config.intr_alloc_flags = ESP_INTR_FLAG_LEVEL1; //Interrupt level 1
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i2s_pin_config_t pin_config = { .bck_io_num = I2S_BCK_IO, .ws_io_num =
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I2S_WS_IO, .data_out_num = I2S_DO_IO, .data_in_num = I2S_DI_IO //Not used
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i2s_pin_config_t pin_config = { .bck_io_num = CONFIG_I2S_BCK_IO, .ws_io_num =
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CONFIG_I2S_WS_IO, .data_out_num = CONFIG_I2S_DO_IO, .data_in_num = -1 //Not used
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};
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LOG_INFO("Initializing I2S with rate: %d, bits per sample: %d, buffer len: %d, number of buffers: %d ",
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i2s_config.sample_rate, i2s_config.bits_per_sample, i2s_config.dma_buf_len, i2s_config.dma_buf_count);
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i2s_driver_install(I2S_NUM, &i2s_config, 0, NULL);
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i2s_set_pin(I2S_NUM, &pin_config);
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i2s_set_clk(I2S_NUM, output.current_sample_rate, i2s_config.bits_per_sample, 2);
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i2s_driver_install(CONFIG_I2S_NUM, &i2s_config, 0, NULL);
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i2s_set_pin(CONFIG_I2S_NUM, &pin_config);
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i2s_set_clk(CONFIG_I2S_NUM, output.current_sample_rate, i2s_config.bits_per_sample, 2);
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isI2SStarted=false;
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i2s_stop(I2S_NUM);
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i2s_stop(CONFIG_I2S_NUM);
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dac_buffer_size = 10*FRAME_BLOCK*get_bytes_per_frame(output.format);
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LOG_DEBUG("Allocating local DAC transfer buffer of %u bytes.",dac_buffer_size);
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buf_init(dacbuffer,dac_buffer_size );
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if (!dacbuffer->buf) {
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LOG_ERROR("unable to malloc i2s buffer");
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exit(0);
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}
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LOG_SDEBUG("Current buffer free: %d",_buf_space(dacbuffer));
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#if LINUX || OSX || FREEBSD || POSIX
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pthread_attr_t attr;
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@@ -141,23 +156,33 @@ void output_init_dac(log_level level, char *device, unsigned output_buf_size, ch
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#if WIN
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thread = CreateThread(NULL, OUTPUT_THREAD_STACK_SIZE, (LPTHREAD_START_ROUTINE)&output_thread, NULL, 0, NULL);
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#endif
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LOG_INFO("Init completed.");
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}
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/****************************************************************************************
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* Terminate DAC output
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*/
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void output_close_dac(void) {
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LOG_INFO("close output");
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LOCK;
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running = false;
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UNLOCK;
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free(optr);
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i2s_driver_uninstall(CONFIG_I2S_NUM);
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output_close_common();
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buf_destroy(dacbuffer);
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}
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/****************************************************************************************
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* Write frames to the output buffer
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*/
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static int _dac_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t gainR,
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s32_t cross_gain_in, s32_t cross_gain_out, ISAMPLE_T **cross_ptr) {
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u8_t *obuf;
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size_t actual_out_bytes=FRAME_TO_BYTES(out_frames);
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assert(out_bytes_per_frame>0);
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if (!silence) {
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if (output.fade == FADE_ACTIVE && output.fade_dir == FADE_CROSS && *cross_ptr) {
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@@ -176,14 +201,12 @@ static int _dac_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32
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dsd_invert((u32_t *) outputbuf->readp, out_frames);
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)
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memcpy(optr, outputbuf->readp, out_frames * BYTES_PER_FRAME);
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memcpy(dacbuffer->writep, outputbuf->readp, actual_out_bytes);
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#else
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obuf = outputbuf->readp;
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#endif
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} else {
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obuf = silencebuf;
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#if !REPACK
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IF_DSD(
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if (output.outfmt != PCM) {
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@@ -192,144 +215,154 @@ static int _dac_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32
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}
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)
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memcpy(optr, obuf, out_frames * BYTES_PER_FRAME);
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memcpy(dacbuffer->writep, silencebuf, actual_out_bytes);
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#endif
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}
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#if REPACK
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_scale_and_pack_frames(optr, (s32_t *)(void *)obuf, out_frames, gainL, gainR, output.format);
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#endif
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// TIMED_SECTION_START_MS(500);
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// LOG_INFO("Done moving data to out buffer");
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// TIMED_SECTION_END;
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return (int)out_frames;
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_buf_inc_writep(dacbuffer,actual_out_bytes);
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return (int)BYTES_TO_FRAME(actual_out_bytes);
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}
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/****************************************************************************************
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* Wait for a duration based on a frame count
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*/
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void wait_for_frames(size_t frames)
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{
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usleep((1000* frames/output.current_sample_rate) );
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usleep((1000* frames/output.current_sample_rate*.90) );
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}
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/****************************************************************************************
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* Main output thread
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*/
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static void *output_thread() {
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// // buffer to hold output data so we can block on writing outside of output lock, allocated on init
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// u8_t *obuf = malloc(FRAME_BLOCK * BYTES_PER_FRAME);
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u8_t *opos=optr;
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frames_t frames=0, requested_frames = 0;
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size_t used_buffer=0;
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static int count = 0, count2=0;
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uint32_t start_writing=0, start_i2s=0;
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frames_t frames=0;
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frames_t available_frames_space=0;
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size_t bytes_to_send_i2s=0, // Contiguous buffer which can be addressed
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i2s_bytes_written = 0; //actual size that the i2s port was able to write
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uint32_t timer_start=0;
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static int count = 0;
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DECLARE_ALL_MIN_MAX;
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size_t i2s_bytes_write, i2s_bytes_to_write = 0;
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#if REPACK
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LOCK;
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switch (output.format) {
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case S32_BE:
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case S32_LE:
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bytes_per_frame = 4 * 2; break;
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case S24_3LE:
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case S24_3BE:
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bytes_per_frame = 3 * 2; break;
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case S16_LE:
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case S16_BE:
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bytes_per_frame = 2 * 2; break;
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default:
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bytes_per_frame = 4 * 2; break;
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break;
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}
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UNLOCK;
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#else
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bytes_per_frame = BYTES_PER_FRAME;
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#endif
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while (running) {
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start_writing=esp_timer_get_time();
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i2s_bytes_written=0;
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frames=0;
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available_frames_space=0;
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bytes_to_send_i2s=0, // Contiguous buffer which can be addressed
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i2s_bytes_written = 0; //actual size that the i2s port was able to write
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TIME_MEASUREMENT_START(timer_start);
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LOCK;
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if (output.state == OUTPUT_OFF) {
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UNLOCK;
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LOG_INFO("Output state is off.");
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isI2SStarted=false;
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i2s_stop(I2S_NUM);
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LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(dacbuffer),_buf_cont_read(dacbuffer));
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if(isI2SStarted) {
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isI2SStarted=false;
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i2s_stop(CONFIG_I2S_NUM);
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}
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usleep(500000);
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continue;
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}
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requested_frames = 0;
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frames=0;
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if(used_buffer==0)
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{
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// replenish buffer when it's empty
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opos=optr;
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requested_frames =DAC_OUTPUT_BUFFER_FRAMES;
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frames = _output_frames( requested_frames ); // Keep the dma buffer full
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used_buffer+=FRAME_TO_BYTES(frames);
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}
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LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(dacbuffer),_buf_cont_read(dacbuffer));
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available_frames_space = BYTES_TO_FRAME(min(_buf_space(dacbuffer), _buf_cont_write(dacbuffer)));
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frames = _output_frames( available_frames_space ); // Keep the transfer buffer full
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UNLOCK;
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if(frames>0) SET_MIN_MAX((esp_timer_get_time()-start_writing)/1000,buffering);
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// todo: call i2s_set_clock here if rate is changed
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if (used_buffer )
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LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(dacbuffer),_buf_cont_read(dacbuffer));
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SET_MIN_MAX( TIME_MEASUREMENT_GET(timer_start),buffering);
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SET_MIN_MAX( available_frames_space,req);
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SET_MIN_MAX(frames,rec);
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if(frames>0){
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//LOG_DEBUG("Frames available : %u.",frames);
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}
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else
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{
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start_i2s=esp_timer_get_time();
|
||||
//LOG_DEBUG("No frame available");
|
||||
usleep(10000);
|
||||
}
|
||||
|
||||
SET_MIN_MAX(_buf_used(dacbuffer),loci2sbuf);
|
||||
bytes_to_send_i2s = _buf_cont_read(dacbuffer);
|
||||
SET_MIN_MAX(bytes_to_send_i2s,i2savailable);
|
||||
if (bytes_to_send_i2s>0 )
|
||||
{
|
||||
TIME_MEASUREMENT_START(timer_start);
|
||||
if(!isI2SStarted)
|
||||
{
|
||||
isI2SStarted=true;
|
||||
i2s_start(I2S_NUM);
|
||||
LOG_INFO("Restarting I2S.");
|
||||
i2s_start(CONFIG_I2S_NUM);
|
||||
if( i2s_config.sample_rate != output.current_sample_rate)
|
||||
{
|
||||
i2s_config.sample_rate = output.current_sample_rate;
|
||||
i2s_set_sample_rates(CONFIG_I2S_NUM, i2s_config.sample_rate);
|
||||
}
|
||||
}
|
||||
i2s_write(I2S_NUM, opos,used_buffer, &i2s_bytes_write, portMAX_DELAY);
|
||||
if(i2s_bytes_write!=used_buffer)
|
||||
count++;
|
||||
LOG_SDEBUG("Outputting to I2S");
|
||||
LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(dacbuffer),_buf_cont_read(dacbuffer));
|
||||
|
||||
i2s_write(CONFIG_I2S_NUM, dacbuffer->readp,bytes_to_send_i2s, &i2s_bytes_written, portMAX_DELAY);
|
||||
_buf_inc_readp(dacbuffer,i2s_bytes_written);
|
||||
if(i2s_bytes_written!=bytes_to_send_i2s)
|
||||
{
|
||||
LOG_WARN("I2S DMA Overflow! available bytes: %d, I2S wrote %d bytes", used_buffer,i2s_bytes_write);
|
||||
LOG_WARN("I2S DMA Overflow! available bytes: %d, I2S wrote %d bytes", bytes_to_send_i2s,i2s_bytes_written);
|
||||
|
||||
}
|
||||
used_buffer -= i2s_bytes_write;
|
||||
opos+=i2s_bytes_write;
|
||||
output.device_frames =BYTES_TO_FRAME(used_buffer);
|
||||
LOG_SDEBUG("DONE Outputting to I2S. Wrote: %d bytes out of %d", i2s_bytes_written,bytes_to_send_i2s);
|
||||
LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(dacbuffer),_buf_cont_read(dacbuffer));
|
||||
|
||||
|
||||
output.device_frames =0;
|
||||
output.updated = gettime_ms();
|
||||
output.frames_played_dmp = output.frames_played-output.device_frames;
|
||||
SET_MIN_MAX((esp_timer_get_time()-start_i2s)/1000,duration);
|
||||
output.frames_played_dmp = output.frames_played;
|
||||
SET_MIN_MAX( TIME_MEASUREMENT_GET(timer_start),i2s_time);
|
||||
|
||||
}
|
||||
SET_MIN_MAX(duration+frames>0?buffering:0,totalprocess);
|
||||
SET_MIN_MAX(bytes_to_send_i2s-i2s_bytes_written,over);
|
||||
SET_MIN_MAX(_buf_used(outputbuf),o);
|
||||
SET_MIN_MAX(_buf_used(streambuf),s);
|
||||
SET_MIN_MAX(used_buffer,d);
|
||||
SET_MIN_MAX(requested_frames,req);
|
||||
if (!(count++ & 0x1ff)) {
|
||||
LOG_INFO( "count:%d"
|
||||
"\n ----------+----------+-----------+ +----------+----------+----------------+"
|
||||
"\n max | min | current| | max | min | current |"
|
||||
"\n (ms) | (ms) | (ms)| | (frames) | (frames) | (frames)|"
|
||||
"\n ----------+----------+-----------+ +----------+----------+----------------+"
|
||||
"\nout %10d|%10d|%11d|" " |%10d|%10d|%16d|"
|
||||
"\nstream %10d|%10d|%11d|" " |%10d|%10d|%16d|"
|
||||
"\nDMA overflow %10d|%10d|%11d|" " |%10d|%10d|%16d|"
|
||||
"\nrequested %10d|%10d|%11d|" " |%10d|%10d|%16d|"
|
||||
"\n ----------+----------+-----------+ +----------+----------+----------------+"
|
||||
"\n"
|
||||
"\n max (us) | min (us) | total(us) | "
|
||||
"\n ----------+----------+-----------+ "
|
||||
"\ni2s time (us):%10d|%10d|%11d|"
|
||||
"\nbuffering(us):%10d|%10d|%11d|"
|
||||
"\ntotal(us) :%10d|%10d|%11d|"
|
||||
"\n ----------+----------+-----------+ ",
|
||||
count,
|
||||
BYTES_TO_MS(max_o), BYTES_TO_MS(min_o),BYTES_TO_MS(o),max_o,min_o,o,
|
||||
BYTES_TO_MS(max_s), BYTES_TO_MS(min_s),BYTES_TO_MS(s),max_s,min_s,s,
|
||||
BYTES_TO_MS(max_d),BYTES_TO_MS(min_d),BYTES_TO_MS(d),max_d,min_d,d,
|
||||
FRAMES_TO_MS(max_req),FRAMES_TO_MS(min_req),FRAMES_TO_MS(req), max_req, min_req,req,
|
||||
max_duration, min_duration, duration,
|
||||
max_buffering, min_buffering, buffering,
|
||||
max_totalprocess,min_totalprocess,totalprocess
|
||||
);
|
||||
RESET_ALL_MIN_MAX;
|
||||
}
|
||||
|
||||
/*
|
||||
* Statistics reporting
|
||||
*/
|
||||
#define STATS_PERIOD_MS 5000
|
||||
count++;
|
||||
TIMED_SECTION_START_MS(STATS_PERIOD_MS);
|
||||
|
||||
LOG_INFO( "count:%d, current sample rate: %d, bytes per frame: %d, avg cycle duration (ms): %d",count,output.current_sample_rate, out_bytes_per_frame,STATS_PERIOD_MS/count);
|
||||
LOG_INFO( " ----------+----------+-----------+ +----------+----------+----------------+");
|
||||
LOG_INFO( " max | min | current| | max | min | current |");
|
||||
LOG_INFO( " (ms) | (ms) | (ms)| | (bytes) | (bytes) | (bytes) |");
|
||||
LOG_INFO( " ----------+----------+-----------+ +----------+----------+----------------+");
|
||||
LOG_INFO(LINE_MIN_MAX_FORMAT_STREAM, LINE_MIN_MAX_STREAM("stream",s));
|
||||
LOG_INFO(LINE_MIN_MAX_FORMAT,LINE_MIN_MAX("output",o));
|
||||
LOG_INFO(LINE_MIN_MAX_FORMAT,LINE_MIN_MAX("i2swrite",i2savailable));
|
||||
LOG_INFO(LINE_MIN_MAX_FORMAT,LINE_MIN_MAX("local free",loci2sbuf));
|
||||
LOG_INFO(LINE_MIN_MAX_FORMAT,LINE_MIN_MAX("requested",req));
|
||||
LOG_INFO(LINE_MIN_MAX_FORMAT,LINE_MIN_MAX("received",rec));
|
||||
LOG_INFO(LINE_MIN_MAX_FORMAT,LINE_MIN_MAX("overflow",over));
|
||||
LOG_INFO(" ----------+----------+-----------+ +----------+----------+----------------+");
|
||||
LOG_INFO("");
|
||||
LOG_INFO(" max (us) | min (us) |current(us)| ");
|
||||
LOG_INFO(" ----------+----------+-----------+ ");
|
||||
LOG_INFO(LINE_MIN_MAX_DURATION_FORMAT,LINE_MIN_MAX_DURATION("Buffering(us)",buffering));
|
||||
LOG_INFO(LINE_MIN_MAX_DURATION_FORMAT,LINE_MIN_MAX_DURATION("i2s tfr(us)",i2s_time));
|
||||
LOG_INFO(" ----------+----------+-----------+ ");
|
||||
RESET_ALL_MIN_MAX;
|
||||
count=0;
|
||||
TIMED_SECTION_END;
|
||||
/*
|
||||
* End Statistics reporting
|
||||
*/
|
||||
//wait_for_frames(BYTES_TO_FRAME(i2s_bytes_written));
|
||||
}
|
||||
|
||||
|
||||
return 0;
|
||||
}
|
||||
|
||||
|
||||
Reference in New Issue
Block a user