Added dongle manager

2 files changed, 349 insertions, 15 deletions

diff --git a/hw/sdr.c b/hw/sdr.c
index 05084b2..13f28c2 100644
--- a/hw/sdr.c
+++ b/hw/sdr.c
@@ -1 +1,297 @@
-#include "sdr.h"
\ No newline at end of file
+#include "sdr.h"
+
+sdr_t* sdr_init()
+{
+	sdr_t *sdr=NULL;
+
+	sdr = malloc( sizeof(sdr_t) );
+	if (sdr == NULL)
+		return NULL;
+
+	memset( sdr, 0, sizeof(sdr_t) );
+
+	return sdr;
+}
+
+
+//index of device in oter list
+//return inner device list
+int sdr_open_device( sdr_t *sdr, int dev_index )
+{
+	int ret;
+	dongle_t *dng=NULL;
+	rtlsdr_dev_t *rtl=NULL;
+
+	//for now only one device will be supported
+	if (sdr == NULL)
+		return -1;
+
+	if (sdr->dongle != NULL)
+		return -1;
+
+	dng = malloc(sizeof(dongle_t));
+	memset(dng, 0, sizeof(dongle_t));
+	//set default values for dongle_t
+	DEF_DONGLE_VALUES(dng);
+
+	ret = hw_open( &rtl, (uint32_t)dev_index );
+	if ( ret < 0 )
+	{
+		printf("Cannot open device %02d\n", dev_index );
+		goto exit_dng_err;
+	}
+
+	ret = hw_reset_buffer( rtl );
+	if ( ret < 0 )
+	{
+		printf("Couldnt reset buffer\n");
+		goto exit_dng_err;
+	}
+
+	ret = hw_set_sample_rate( rtl, dng->rate );
+	if ( ret < 0 )
+	{
+		printf("Couldnt set sample rate to %d\n", dng->rate);
+		goto exit_dng_err;
+	}
+
+	ret = hw_set_center_freq( rtl, dng->freq );
+	if ( ret < 0 )
+	{
+		printf("Couldnt set frequency %d\n", dng->freq );
+		goto exit_dng_err;
+	}
+
+	ret = hw_set_tuner_gain_mode( rtl, dng->gain );
+	if ( ret < 0 )
+	{
+		printf("Cannot set autogain mode\n");
+		goto exit_dng_err;
+	}
+
+	ret = hw_set_agc_mode( rtl, 1 );
+	if ( ret < 0 )
+	{
+		printf("Cannot set agc mode\n");
+		goto exit_dng_err;
+	}
+
+	dng->dev_index = dev_index;
+	dng->dev = rtl;
+	sdr->dongle = dng;
+
+	return 0;
+
+exit_dng_err:
+	free( dng );
+
+	return -1;
+}
+
+
+//associate audio device that going to be used
+//int sdr_open_audio( sdr_t *sdr, int dev_index );//?should be just device from list or device name?
+
+
+//get device structure from sdr manager by pluged device num
+//dont try to free it muahaha
+dongle_t* sdr_get_device_id( sdr_t *sdr, int dev_index)
+{
+	dongle_t *dng=NULL;
+
+	if ( sdr == NULL )
+		return NULL;
+
+	if (sdr->dongle == NULL)
+		return NULL;
+
+	if (sdr->dongle->dev_index != dev_index)
+	{
+		printf("Cannot find device with such device ID\n");
+		return NULL;
+	}
+
+	return sdr->dongle;
+}
+
+
+
+//get index in list of devices of structure from outer device index
+//? do we need?
+//int sdr_get_dongle_idx( sdr_t *sdr, int idx );
+//close device by internal list index
+int sdr_close_device( sdr_t *sdr, int dev_index )
+{
+	if ( sdr == NULL )
+		return -1;
+	
+	if ( sdr->dongle == NULL )
+	{
+		return -1;
+	}
+
+	if ( sdr->dongle->dev == NULL )
+		return -1;
+
+	if ( sdr->dongle->dev_index != dev_index )
+		return -1;
+
+	hw_close( sdr->dongle->dev );
+	free( sdr->dongle->dev );
+	sdr->dongle->dev = NULL;
+
+	free( sdr->dongle );
+	sdr->dongle = NULL;
+
+	return 0;
+}
+
+
+
+//close sdr
+//if there is opened audios then close
+//if there is opened devices then close
+int sdr_close( sdr_t *sdr )
+{
+	if ( sdr != NULL )
+	{	
+		if ( sdr->dongle != NULL )
+		{
+			if ( sdr->dongle->dev == NULL )
+			{
+				hw_close( sdr->dongle->dev );
+				free( sdr->dongle->dev );
+				sdr->dongle->dev = NULL;
+			}
+			free( sdr->dongle );
+			sdr->dongle = NULL;
+		}
+		free(sdr);
+		sdr = NULL;
+		return 0;
+	}
+	return -1;
+}
+
+
+
+//stop any action that associated with dongle
+//not yet implemented
+int dongle_stop( dongle_t *dongle )
+{
+	return -1;
+}
+
+
+//int dongle_open( sdr_t *);
+//set dongle frequency
+int dongle_set_freq( dongle_t *dongle, uint32_t freq)
+{
+	int ret = 0;
+	if ( dongle == NULL )
+		return -1;
+
+	if ( dongle->dev == NULL )
+		return -1;
+
+	ret = hw_set_center_freq( dongle->dev, freq );
+	if ( ret < 0 )
+	{
+		printf("Cannot set device frequency to %ud\n", freq);
+		return -1;
+	}
+
+	return 0;
+}
+
+
+//set gain
+int dongle_set_gain( dongle_t *dongle, int gain)
+{
+
+	int ret;
+
+	if ( dongle == NULL )
+		return -1;
+
+	if ( dongle->dev == NULL )
+		return -1;
+
+	ret = hw_set_tuner_gain_mode( dongle->dev, gain );
+	if ( ret < 0 )
+	{
+		printf("Cannot set tunner gain level %d\n", gain );
+		return -1;
+	}
+
+	return 0;
+}
+
+
+//set dongle sample rate
+int dongle_set_sample_rate( dongle_t *dongle, uint32_t rate )
+{
+	int ret;
+
+	if ( dongle == NULL )
+	{
+		return -1;
+	}
+
+	if ( dongle->dev == NULL )
+		return -1;
+
+	ret = hw_set_sample_rate( dongle->dev, rate );
+	if ( ret < 0 )
+	{
+		printf("Cannot set sample rate %ud\n", rate);
+		return -1;
+	}
+
+	return 0;
+}
+
+int dongle_set_agc( dongle_t *dongle, int mode)
+{
+	int ret;
+
+	if ( dongle == NULL )
+		return -1;
+
+	if ( dongle->dev == NULL )
+		return -1;
+
+	//need mode check things
+	ret = hw_set_agc_mode( dongle->dev, mode );
+	if ( ret < 0 )
+	{
+		printf("Cannot set agc gain mode\n");
+		return -1;
+	}
+
+	return 0;
+}
+
+
+uint32_t dongle_get_freq( dongle_t *dongle )
+{
+	return dongle->freq;
+}
+
+
+int dongle_get_gain( dongle_t *dongle )
+{
+	return dongle->gain;
+}
+
+
+uint32_t dongle_get_sample_rate( dongle_t *dongle )
+{
+	return dongle->rate;
+}
+
+
+int dongle_read_samples( dongle_t *dongle, uint8_t *buf, int len )
+{
+	return -1;
+}
\ No newline at end of file
diff --git a/hw/sdr.h b/hw/sdr.h
index 81ec57f..5a83e8e 100644
--- a/hw/sdr.h
+++ b/hw/sdr.h
@@ -1,8 +1,15 @@
 #ifndef __RADIOLA_HW_SDR_H
 #define __RADIOLA_HW_SDR_H
 
+#include <string.h>
+
 #include "hw.h"
 
+
+//list of supported devices RTLSDR is rtlsdr tunners,
+//AUDIO is just used audio cards
+//NET get or send some info to server/client
+//PTT usb connected with audio link radios, trought PTT things
 typedef enum
 {
 	DEVICE_NONE=0,
@@ -22,6 +29,18 @@ typedef struct dongle_t
 	int gain;
 } dongle_t;
 
+#define DONGLE_SAMPLE_RATE 2048000
+#define DONGLE_CENTER_FREQ 100000000
+#define DONGLE_GAIN        1
+
+//dongle pointer to dongle_t
+#define DEF_DONGLE_VALUES(DONGLE)\
+{\
+(DONGLE)->freq=DONGLE_CENTER_FREQ;\
+(DONGLE)->rate=DONGLE_SAMPLE_RATE;\
+(DONGLE)->gain=DONGLE_GAIN;\
+}
+
 
 typedef struct audio_t
 {
@@ -30,32 +49,51 @@ typedef struct audio_t
 
 typedef struct sdr_t 
 {
-	sdr_device dev_type;
-	dongle_t   *dongle;
-	uint32_t   d_used;
-	audio_t    *audio;
-	uint32_t   a_used;
+	dongle_t   *dongle; //list of rtlsdr devices
+	uint32_t   d_used;  //not yes used
+	audio_t    *audio;  //audio devices used
+	uint32_t   a_used;  //not yet used
 } sdr_t;
 
+//init structure 
+
+sdr_t* sdr_init(); 
 //index of device in oter list
 //return inner device list
 int sdr_open_device( sdr_t *sdr, int dev_index );
+//associate audio device that going to be used
+//int sdr_open_audio( sdr_t *sdr, int dev_index );//?should be just device from list or device name?
+
+
+//get device structure from sdr manager
+dongle_t* sdr_get_device( sdr_t *sdr, int dev_index);
+
 //get index in list of devices of structure from outer device index
 //? do we need?
 //int sdr_get_dongle_idx( sdr_t *sdr, int idx );
 //close device by internal list index
 int sdr_close_device( sdr_t *sdr, int idx );
 
-int dongle_stop( sdr_t *sdr, int idx );
+//close sdr
+//if there is opened audios then close
+//if there is opened devices then close
+int sdr_close( sdr_t *sdr );
+
+//stop any action that associated with dongle
+int dongle_stop( dongle_t *dongle );
 //int dongle_open( sdr_t *);
-int dongle_set_freq( sdr_t *sdr, int idx, uint32_t freq);
-int dongle_set_gain( sdr_t *sdr, int idx, int gain);
-int dongle_set_sample_rate( sdr_t *sdr, int idx, uint32_t srate );
-
-uint32_t dongle_get_freq( sdr_t *sdr, int idx );
-int dongle_get_gain( sdr_t *sdr, int idx);
-uint32_t dongle_get_sample_rate( sdr_t *sdr, int idx );
-int dongle_get_samples( sdr_t *sdr, int idx, uint8_t *buf, int len );
+//set dongle frequency
+int dongle_set_freq( dongle_t *dongle, uint32_t freq);
+//set gain
+int dongle_set_gain( dongle_t *dongle, int gain);
+int dongle_set_agc( dongle_t *dongle, int mode);
+//set dongle sample rate
+int dongle_set_sample_rate( dongle_t *dongle, uint32_t rate );
+
+uint32_t dongle_get_freq( dongle_t *dongle );
+int dongle_get_gain( dongle_t *dongle );
+uint32_t dongle_get_sample_rate( dongle_t *dongle );
+int dongle_read_samples( dongle_t *dongle, uint8_t *buf, int len );
 //int dongle_close();
 
 #endif
\ No newline at end of file