diff --git a/components/platform_esp32/cmd_squeezelite.c b/components/platform_esp32/cmd_squeezelite.c
index de02fe58..3fc2103a 100644
--- a/components/platform_esp32/cmd_squeezelite.c
+++ b/components/platform_esp32/cmd_squeezelite.c
@@ -17,7 +17,7 @@
#include "nvs_flash.h"
//extern char current_namespace[];
static const char * TAG = "squeezelite_cmd";
-#define SQUEEZELITE_THREAD_STACK_SIZE 32000
+#define SQUEEZELITE_THREAD_STACK_SIZE 8192
extern int main(int argc, char **argv);
static int launchsqueezelite(int argc, char **argv);
pthread_t thread_squeezelite;
@@ -59,10 +59,8 @@ static void * squeezelite_thread(){
cfg.inherit_cfg = true;
cfg.stack_size = SQUEEZELITE_THREAD_STACK_SIZE ;
esp_pthread_set_cfg(&cfg);
- pthread_attr_t attr;
- pthread_attr_init(&attr);
- pthread_create(&thread_squeezelite_runner, &attr, squeezelite_runner_thread,NULL);
- pthread_attr_destroy(&attr);
+ // no attribute if we want esp stack stack to prevail
+ pthread_create(&thread_squeezelite_runner, NULL, squeezelite_runner_thread,NULL);
// Wait for thread completion so we can free up memory.
pthread_join(thread_squeezelite_runner,(void **)&exit_code);
diff --git a/main/output_bt.c b/main/output_bt.c
index fa9f7624..dd687166 100644
--- a/main/output_bt.c
+++ b/main/output_bt.c
@@ -1,3 +1,24 @@
+/*
+ * Squeezelite for esp32
+ *
+ * (c) Sebastien 2019
+ * Philippe G. 2019, philippe_44@outlook.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+
#include "squeezelite.h"
#include "perf_trace.h"
diff --git a/main/output_embedded.c b/main/output_embedded.c
index 89e06cbc..37ae892e 100644
--- a/main/output_embedded.c
+++ b/main/output_embedded.c
@@ -28,11 +28,11 @@ extern struct buffer *outputbuf;
#define LOCK mutex_lock(outputbuf->mutex)
#define UNLOCK mutex_unlock(outputbuf->mutex)
-extern void set_volume_i2s(unsigned left, unsigned right);
extern void output_init_bt(log_level level, char *device, unsigned output_buf_size, char *params,
unsigned rates[], unsigned rate_delay, unsigned idle);
extern void output_init_i2s(log_level level, char *device, unsigned output_buf_size, char *params,
- unsigned rates[], unsigned rate_delay, unsigned idle);
+ unsigned rates[], unsigned rate_delay, unsigned idle);
+extern void output_close_i2s(void);
static log_level loglevel;
@@ -54,9 +54,8 @@ void output_init_embedded(log_level level, char *device, unsigned output_buf_siz
output_init_bt(level, device, output_buf_size, params, rates, rate_delay, idle);
} else {
LOG_INFO("init I2S");
- //volume_cb = set_volume_i2s;
- //close_cb = output_close_i2s;
- //output_init_i2s(level, device, output_buf_size, params, rates, rate_delay, idle);
+ close_cb = output_close_i2s;
+ output_init_i2s(level, device, output_buf_size, params, rates, rate_delay, idle);
}
LOG_INFO("init completed.");
diff --git a/main/output_dac.c b/main/output_i2s.c
similarity index 69%
rename from main/output_dac.c
rename to main/output_i2s.c
index 6b64c205..d7aeea1b 100644
--- a/main/output_dac.c
+++ b/main/output_i2s.c
@@ -1,3 +1,24 @@
+/*
+ * Squeezelite for esp32
+ *
+ * (c) Sebastien 2019
+ * Philippe G. 2019, philippe_44@outlook.com
+ *
+ * This program is free software: you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation, either version 3 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program. If not, see .
+ *
+ */
+
#include "squeezelite.h"
#include "driver/i2s.h"
#include "perf_trace.h"
@@ -44,19 +65,6 @@
#define CONFIG_I2S_NUM -1
#endif
-
-static log_level loglevel;
-size_t dac_buffer_size =0;
-static bool running = true;
-static bool isI2SStarted=false;
-extern struct outputstate output;
-extern struct buffer *streambuf;
-extern struct buffer *outputbuf;
-extern u8_t *silencebuf;
-static struct buffer _dac_buffer_structure;
-struct buffer *dacbuffer=&_dac_buffer_structure;
-u8_t *tfr_buffer;
-static i2s_config_t i2s_config;
#if REPACK && BYTES_PER_FRAMES == 4
#error "REPACK is not compatible with BYTES_PER_FRAME=4"
#endif
@@ -66,52 +74,48 @@ static i2s_config_t i2s_config;
#define FRAME_BLOCK MAX_SILENCE_FRAMES
-#define FRAME_TO_BYTES(f) f*out_bytes_per_frame
-#define BYTES_TO_FRAME(b) b/out_bytes_per_frame
+extern struct outputstate output;
+extern struct buffer *streambuf;
+extern struct buffer *outputbuf;
+extern u8_t *silencebuf;
-
-static int out_bytes_per_frame;
+static log_level loglevel;
+static size_t i2s_buffer_size = 0;
+static bool running = true;
+static bool isI2SStarted=false;
+static struct buffer _i2s_buffer_structure;
+static struct buffer *i2sbuffer=&_i2s_buffer_structure;
+static i2s_config_t i2s_config;
+static int bytes_per_frame;
static thread_type thread;
-static thread_type stats_thread;
+static pthread_t stats_thread;
+
DECLARE_ALL_MIN_MAX;
-static int _dac_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t gainR,
+static int _i2s_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t gainR,
s32_t cross_gain_in, s32_t cross_gain_out, ISAMPLE_T **cross_ptr);
-static void *output_thread_dac();
-static void *output_thread_dac_stats();
-
-/****************************************************************************************
- * set output volume
- */
-void set_volume_dac(unsigned left, unsigned right) {
- LOG_DEBUG("setting internal gain left: %u right: %u", left, right);
- LOCK;
- output.gainL = left;
- output.gainR = right;
- UNLOCK;
-}
+static void *output_thread_i2s();
+static void *output_thread_i2s_stats();
/****************************************************************************************
* Initialize the DAC output
*/
-void output_init_dac(log_level level, char *device, unsigned output_buf_size, char *params, unsigned rates[], unsigned rate_delay, unsigned idle) {
+void output_init_i2s(log_level level, char *device, unsigned output_buf_size, char *params, unsigned rates[], unsigned rate_delay, unsigned idle) {
loglevel = level;
-
- LOG_INFO("Init output DAC.");
-
- LOG_DEBUG("Setting output parameters.");
-
- memset(&output, 0, sizeof(output));
+
#ifdef CONFIG_I2S_BITS_PER_CHANNEL
switch (CONFIG_I2S_BITS_PER_CHANNEL) {
case 24:
output.format = S24_BE;
+ bytes_per_frame = 2*3;
break;
case 16:
output.format = S16_BE;
+ bytes_per_frame = 2*2;
break;
case 8:
output.format = S8_BE;
+ bytes_per_frame = 2*4;
break;
default:
LOG_ERROR("Unsupported bit depth %d",CONFIG_I2S_BITS_PER_CHANNEL);
@@ -119,28 +123,19 @@ void output_init_dac(log_level level, char *device, unsigned output_buf_size, ch
}
#else
output.format = S16_LE;
+ bytes_per_frame = 2*2;
#endif
- // ensure output rate is specified to avoid test open
- if (!rates[0]) {
- rates[0] = 44100;
- }
+
+ output.write_cb = &_i2s_write_frames;
+
running=true;
// todo: move this to a hardware abstraction layer
//hal_dac_init(device);
-
- // get common output configuration details
- output_init_common(level, device, output_buf_size, rates, idle);
-
- out_bytes_per_frame = get_bytes_per_frame(output.format);
-
- output.start_frames = FRAME_BLOCK;
- output.write_cb = &_dac_write_frames;
- output.rate_delay = rate_delay;
-
+
i2s_config.mode = I2S_MODE_MASTER | I2S_MODE_TX; // Only TX
i2s_config.sample_rate = output.current_sample_rate;
- i2s_config.bits_per_sample = get_bytes_per_frame(output.format) * 8/2;
+ i2s_config.bits_per_sample = bytes_per_frame * 8 / 2;
i2s_config.channel_format = I2S_CHANNEL_FMT_RIGHT_LEFT; //2-channels
i2s_config.communication_format = I2S_COMM_FORMAT_I2S| I2S_COMM_FORMAT_I2S_MSB;
// todo: tune this parameter. Expressed in number of samples. Byte size depends on bit depth.
@@ -156,78 +151,56 @@ void output_init_dac(log_level level, char *device, unsigned output_buf_size, ch
};
LOG_INFO("Initializing I2S with rate: %d, bits per sample: %d, buffer len: %d, number of buffers: %d ",
i2s_config.sample_rate, i2s_config.bits_per_sample, i2s_config.dma_buf_len, i2s_config.dma_buf_count);
+
i2s_driver_install(CONFIG_I2S_NUM, &i2s_config, 0, NULL);
i2s_set_pin(CONFIG_I2S_NUM, &pin_config);
i2s_set_clk(CONFIG_I2S_NUM, output.current_sample_rate, i2s_config.bits_per_sample, 2);
isI2SStarted=false;
i2s_stop(CONFIG_I2S_NUM);
- dac_buffer_size = 5*FRAME_BLOCK*get_bytes_per_frame(output.format);
- LOG_DEBUG("Allocating local DAC transfer buffer of %u bytes.",dac_buffer_size);
+ i2s_buffer_size = 5*FRAME_BLOCK*bytes_per_frame;
+ LOG_INFO("Allocating local DAC transfer buffer of %u bytes.",i2s_buffer_size);
- buf_init(dacbuffer,dac_buffer_size );
- if (!dacbuffer->buf) {
+ buf_init(i2sbuffer,i2s_buffer_size);
+ if (!i2sbuffer->buf) {
LOG_ERROR("unable to malloc i2s buffer");
- local_exit(0);
+ exit(0);
}
-
-PTHREAD_SET_NAME("output_dac");
-
-#if LINUX || OSX || FREEBSD || POSIX
+
pthread_attr_t attr;
pthread_attr_init(&attr);
-#ifdef PTHREAD_STACK_MIN
pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN + OUTPUT_THREAD_STACK_SIZE);
-#endif
- pthread_create(&thread, &attr, output_thread_dac, NULL);
+ pthread_create(&thread, &attr, output_thread_i2s, NULL);
pthread_attr_destroy(&attr);
-#endif
-#if WIN
- thread = CreateThread(NULL, OUTPUT_THREAD_STACK_SIZE, (LPTHREAD_START_ROUTINE)&output_thread_dac, NULL, 0, NULL);
+#if HAS_PTHREAD_SETNAME_NP
+ pthread_setname_np(thread, "output_i2s");
#endif
-
-PTHREAD_SET_NAME("output_dac_sts");
-
-#if LINUX || OSX || FREEBSD || POSIX
- pthread_attr_init(&attr);
-#ifdef PTHREAD_STACK_MIN
- pthread_attr_setstacksize(&attr, PTHREAD_STACK_MIN+OUTPUT_THREAD_STACK_SIZE );
+ // leave stack size to default
+ pthread_create(&stats_thread, NULL, output_thread_i2s_stats, NULL);
+#if HAS_PTHREAD_SETNAME_NP
+ pthread_setname_np(stats_thread, "output_i2s_sts");
#endif
- pthread_create(&stats_thread, &attr, output_thread_dac_stats, NULL);
- pthread_attr_destroy(&attr);
-#endif
-#if WIN
- thread = CreateThread(NULL, OUTPUT_THREAD_STACK_SIZE, (LPTHREAD_START_ROUTINE)&output_thread_dac_stats, NULL, 0, NULL);
-#endif
-
- LOG_INFO("Init completed.");
-
}
/****************************************************************************************
* Terminate DAC output
*/
-void output_close_dac(void) {
- LOG_INFO("close output");
-
- LOCK;
- running = false;
- UNLOCK;
+void output_close_i2s(void) {
i2s_driver_uninstall(CONFIG_I2S_NUM);
- output_close_common();
- buf_destroy(dacbuffer);
+ buf_destroy(i2sbuffer);
}
/****************************************************************************************
* Write frames to the output buffer
*/
-static int _dac_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t gainR,
+static int _i2s_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32_t gainR,
s32_t cross_gain_in, s32_t cross_gain_out, ISAMPLE_T **cross_ptr) {
- size_t actual_out_bytes=FRAME_TO_BYTES(out_frames);
- assert(out_bytes_per_frame>0);
+ size_t bytes = out_frames * bytes_per_frame;
+ assert(bytes > 0);
+
if (!silence) {
if (output.fade == FADE_ACTIVE && output.fade_dir == FADE_CROSS && *cross_ptr) {
@@ -239,45 +212,142 @@ static int _dac_write_frames(frames_t out_frames, bool silence, s32_t gainL, s32
_apply_gain(outputbuf, out_frames, gainL, gainR);
}
- IF_DSD(
- if (output.outfmt == DOP) {
- update_dop((u32_t *) outputbuf->readp, out_frames, output.invert);
- } else if (output.outfmt != PCM && output.invert)
- dsd_invert((u32_t *) outputbuf->readp, out_frames);
- )
-
- memcpy(dacbuffer->writep, outputbuf->readp, actual_out_bytes);
+ memcpy(i2sbuffer->writep, outputbuf->readp, bytes);
#else
obuf = outputbuf->readp;
#endif
} else {
+
#if !REPACK
- IF_DSD(
- if (output.outfmt != PCM) {
- obuf = silencebuf_dsd;
- update_dop((u32_t *) obuf, out_frames, false); // don't invert silence
- }
- )
-
- memcpy(dacbuffer->writep, silencebuf, actual_out_bytes);
+ memcpy(i2sbuffer->writep, silencebuf, bytes);
#endif
+
}
#if REPACK
_scale_and_pack_frames(optr, (s32_t *)(void *)obuf, out_frames, gainL, gainR, output.format);
#endif
- _buf_inc_writep(dacbuffer,actual_out_bytes);
- return (int)BYTES_TO_FRAME(actual_out_bytes);
+ _buf_inc_writep(i2sbuffer, bytes);
+
+ return bytes / bytes_per_frame;
}
-static void *output_thread_dac_stats() {
+
+/****************************************************************************************
+ * Main output thread
+ */
+static void *output_thread_i2s() {
+ frames_t frames=0;
+ frames_t available_frames_space=0;
+ size_t bytes_to_send_i2s=0, // Contiguous buffer which can be addressed
+ i2s_bytes_written = 0,
+ i2s_total_bytes_written=0; //actual size that the i2s port was able to write
+ uint32_t timer_start=0;
+ static int count = 0;
+ output_state state;
+
+ while (running) {
+ i2s_bytes_written=0;
+ frames=0;
+ available_frames_space=0;
+ bytes_to_send_i2s=0, // Contiguous buffer which can be addressed
+ i2s_bytes_written = 0; //actual size that the i2s port was able to write
+ TIME_MEASUREMENT_START(timer_start);
+ LOCK;
+ state =output.state;
+ if (output.state == OUTPUT_OFF) {
+ UNLOCK;
+ LOG_INFO("Output state is off.");
+ LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(i2sbuffer),_buf_cont_read(i2sbuffer));
+ if(isI2SStarted) {
+ isI2SStarted=false;
+ i2s_stop(CONFIG_I2S_NUM);
+ }
+ usleep(200000);
+ continue;
+ }
+ LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(i2sbuffer),_buf_cont_read(i2sbuffer));
+
+ output.device_frames =0;
+ output.updated = gettime_ms();
+ output.frames_played_dmp = output.frames_played;
+
+ do{
+ // fill our buffer
+ available_frames_space = min(_buf_space(i2sbuffer), _buf_cont_write(i2sbuffer)) / bytes_per_frame;
+ if(available_frames_space)
+ {
+ frames = _output_frames( available_frames_space ); // Keep the transfer buffer full
+ SET_MIN_MAX( available_frames_space,req);
+ SET_MIN_MAX(frames,rec);
+ }
+ }while(available_frames_space>0 && frames>0);
+
+ SET_MIN_MAX_SIZED(_buf_used(outputbuf),o,outputbuf->size);
+ SET_MIN_MAX_SIZED(_buf_used(streambuf),s,streambuf->size);
+ UNLOCK;
+ LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(i2sbuffer),_buf_cont_read(i2sbuffer));
+
+ SET_MIN_MAX( TIME_MEASUREMENT_GET(timer_start),buffering);
+
+ SET_MIN_MAX_SIZED(_buf_used(i2sbuffer),loci2sbuf,i2sbuffer->size);
+ bytes_to_send_i2s = _buf_cont_read(i2sbuffer);
+ SET_MIN_MAX(bytes_to_send_i2s,i2savailable);
+ i2s_total_bytes_written=0;
+
+ while (bytes_to_send_i2s>0 )
+ {
+ // now send all the data
+ TIME_MEASUREMENT_START(timer_start);
+ if(!isI2SStarted)
+ {
+ isI2SStarted=true;
+ 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);
+ }
+ }
+ count++;
+ LOG_SDEBUG("Outputting to I2S");
+ LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(i2sbuffer),_buf_cont_read(i2sbuffer));
+
+ i2s_write(CONFIG_I2S_NUM, i2sbuffer->readp,bytes_to_send_i2s, &i2s_bytes_written, portMAX_DELAY);
+ _buf_inc_readp(i2sbuffer,i2s_bytes_written);
+ if(i2s_bytes_written!=bytes_to_send_i2s)
+ {
+ LOG_WARN("I2S DMA Overflow! available bytes: %d, I2S wrote %d bytes", bytes_to_send_i2s,i2s_bytes_written);
+
+ }
+ 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(i2sbuffer),_buf_cont_read(i2sbuffer));
+ i2s_total_bytes_written+=i2s_bytes_written;
+ SET_MIN_MAX( TIME_MEASUREMENT_GET(timer_start),i2s_time);
+ if(bytes_to_send_i2s>0) {
+ SET_MIN_MAX(bytes_to_send_i2s-i2s_bytes_written,over);
+ }
+ bytes_to_send_i2s = _buf_cont_read(i2sbuffer);
+ SET_MIN_MAX(bytes_to_send_i2s,i2savailable);
+
+ }
+
+ }
+ return 0;
+}
+
+/****************************************************************************************
+ * Stats output thread
+ */
+static void *output_thread_i2s_stats() {
while (running) {
LOCK;
output_state state = output.state;
UNLOCK;
if(state>OUTPUT_STOPPED){
- LOG_INFO( "Output State: %d, current sample rate: %d, bytes per frame: %d",state,output.current_sample_rate, out_bytes_per_frame);
+ LOG_INFO( "Output State: %d, current sample rate: %d, bytes per frame: %d",state,output.current_sample_rate, bytes_per_frame);
LOG_INFO( LINE_MIN_MAX_FORMAT_HEAD1);
LOG_INFO( LINE_MIN_MAX_FORMAT_HEAD2);
LOG_INFO( LINE_MIN_MAX_FORMAT_HEAD3);
@@ -308,114 +378,3 @@ static void *output_thread_dac_stats() {
-
-/****************************************************************************************
- * Main output thread
- */
-static void *output_thread_dac() {
- frames_t frames=0;
- frames_t available_frames_space=0;
- size_t bytes_to_send_i2s=0, // Contiguous buffer which can be addressed
- i2s_bytes_written = 0,
- i2s_total_bytes_written=0; //actual size that the i2s port was able to write
- uint32_t timer_start=0;
- static int count = 0;
- output_state state;
-
- while (running) {
- i2s_bytes_written=0;
- frames=0;
- available_frames_space=0;
- bytes_to_send_i2s=0, // Contiguous buffer which can be addressed
- i2s_bytes_written = 0; //actual size that the i2s port was able to write
- TIME_MEASUREMENT_START(timer_start);
- LOCK;
- state =output.state;
- if (output.state == OUTPUT_OFF) {
- UNLOCK;
- LOG_INFO("Output state is off.");
- LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(dacbuffer),_buf_cont_read(dacbuffer));
- if(isI2SStarted) {
- isI2SStarted=false;
- i2s_stop(CONFIG_I2S_NUM);
- }
- usleep(200000);
- continue;
- }
- 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;
-
- do{
- // fill our buffer
- available_frames_space = BYTES_TO_FRAME(min(_buf_space(dacbuffer), _buf_cont_write(dacbuffer)));
- if(available_frames_space)
- {
- frames = _output_frames( available_frames_space ); // Keep the transfer buffer full
- SET_MIN_MAX( available_frames_space,req);
- SET_MIN_MAX(frames,rec);
- }
- }while(available_frames_space>0 && frames>0);
-
- SET_MIN_MAX_SIZED(_buf_used(outputbuf),o,outputbuf->size);
- SET_MIN_MAX_SIZED(_buf_used(streambuf),s,streambuf->size);
- UNLOCK;
- LOG_SDEBUG("Current buffer free: %10d, cont read: %10d",_buf_space(dacbuffer),_buf_cont_read(dacbuffer));
-
- SET_MIN_MAX( TIME_MEASUREMENT_GET(timer_start),buffering);
-
- SET_MIN_MAX_SIZED(_buf_used(dacbuffer),loci2sbuf,dacbuffer->size);
- bytes_to_send_i2s = _buf_cont_read(dacbuffer);
- SET_MIN_MAX(bytes_to_send_i2s,i2savailable);
- i2s_total_bytes_written=0;
-
- while (bytes_to_send_i2s>0 )
- {
- // now send all the data
- TIME_MEASUREMENT_START(timer_start);
- if(!isI2SStarted)
- {
- isI2SStarted=true;
- 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);
- }
- }
- 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", bytes_to_send_i2s,i2s_bytes_written);
-
- }
- 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));
- i2s_total_bytes_written+=i2s_bytes_written;
- SET_MIN_MAX( TIME_MEASUREMENT_GET(timer_start),i2s_time);
- if(bytes_to_send_i2s>0) {
- SET_MIN_MAX(bytes_to_send_i2s-i2s_bytes_written,over);
- }
- bytes_to_send_i2s = _buf_cont_read(dacbuffer);
- SET_MIN_MAX(bytes_to_send_i2s,i2savailable);
-
- }
-
- }
- return 0;
-}
-
-bool test_open(const char *device, unsigned rates[], bool userdef_rates) {
- unsigned _rates[] = { 96000, 88200, 48000, 44100, 32000, 0 };
- memcpy(rates, _rates, sizeof(_rates));
- return true;
-}
-
-