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Initial experiment /w wxWidgets opengl view and sdr sampling.

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Includes working rtl-sdr sampling thread test.
This commit is contained in:
Charles J. Cliffe 2014-10-27 20:05:40 -04:00
parent 6bb7d344aa
commit c2a37e7622
23 changed files with 2163 additions and 0 deletions
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cmake_minimum_required (VERSION 2.8)
macro(configure_files srcDir destDir)
message(STATUS "Configuring directory ${destDir}")
make_directory(${destDir})
file(GLOB templateFiles RELATIVE ${srcDir} ${srcDir}/*)
foreach(templateFile ${templateFiles})
set(srcTemplatePath ${srcDir}/${templateFile})
if(NOT IS_DIRECTORY ${srcTemplatePath})
# message(STATUS "Configuring file ${templateFile}")
configure_file(
${srcTemplatePath}
${destDir}/${templateFile}
COPYONLY)
endif(NOT IS_DIRECTORY ${srcTemplatePath})
endforeach(templateFile)
endmacro(configure_files)
macro(configure_files_recurse srcDir destDir)
message(STATUS "Configuring directory ${destDir}")
make_directory(${destDir})
file(GLOB_RECURSE templateFiles RELATIVE ${srcDir} ${srcDir}/*)
foreach(templateFile ${templateFiles})
set(srcTemplatePath ${srcDir}/${templateFile})
if(NOT IS_DIRECTORY ${srcTemplatePath})
# message(STATUS "Configuring file ${templateFile}")
configure_file(
${srcTemplatePath}
${destDir}/${templateFile}
COPYONLY)
endif(NOT IS_DIRECTORY ${srcTemplatePath})
endforeach(templateFile)
endmacro(configure_files_recurse)
project (CubicSDR)
SET( CMAKE_RUNTIME_OUTPUT_DIRECTORY ${PROJECT_BINARY_DIR})
SET( CMAKE_RUNTIME_OUTPUT_DIRECTORY_DEBUG ${PROJECT_BINARY_DIR})
SET( CMAKE_RUNTIME_OUTPUT_DIRECTORY_RELEASE ${PROJECT_BINARY_DIR})
#add_subdirectory(${PROJECT_SOURCE_DIR}/glfw-3.0.3 ${PROJECT_BINARY_DIR}/glfw/)
#include_directories(${PROJECT_SOURCE_DIR}/glfw-3.0.3/include)
#include_directories ( ${PROJECT_SOURCE_DIR}/../CubicVR-2/build/include )
#link_directories ( ${PROJECT_SOURCE_DIR}/../CubicVR-2/build/lib )
find_package(OpenGL REQUIRED)
set(wxWidgets_CONFIGURATION mswu)
find_package(wxWidgets COMPONENTS gl core base REQUIRED)
include(${wxWidgets_USE_FILE})
include_directories ( ${PROJECT_SOURCE_DIR}/../CubicVR-2/build/include )
link_directories ( ${PROJECT_SOURCE_DIR}/../CubicVR-2/build/lib ${OPENGL_INCLUDE_DIR})
include_directories ( ${PROJECT_SOURCE_DIR}/external/rtl-sdr-release )
link_directories ( ${PROJECT_SOURCE_DIR}/external/rtl-sdr-release/x32 )
SET (cubicsdr_sources
src/CubicSDR.cpp
src/SDRThread.cpp
)
SET (cubicsdr_headers
src/CubicSDR.h
src/SDRThread.h
)
#configure_files(${PROJECT_SOURCE_DIR}/shaders ${PROJECT_BINARY_DIR}/shaders COPYONLY)
#configure_files(${PROJECT_SOURCE_DIR}/png ${PROJECT_BINARY_DIR}/png COPYONLY)
add_executable(CubicSDR ${cubicsdr_sources} ${cubicsdr_headers})
target_link_libraries(CubicSDR cubicvr2 rtlsdr ${wxWidgets_LIBRARIES} ${OPENGL_LIBRARIES})
# cubicvr2 glfw ${GLFW_LIBRARIES} ${OPENAL_LIBRARY}

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[^.]*
.project
.cproject

4
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Steve Markgraf <steve@steve-m.de>
Dimitri Stolnikov <horiz0n@gmx.net>
Hoernchen <la@tfc-server.de>
Kyle Keen <keenerd@gmail.com>

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That's all there is to it!

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rtl-sdr
turns your Realtek RTL2832 based DVB dongle into a SDR receiver
======================================================================
For more information see:
http://sdr.osmocom.org/trac/wiki/rtl-sdr

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The Windows build is using
https://github.com/libusbx/libusbx 33ba1231a1b07425eaa83935f84b2e4b7f904f35
and
http://sources.redhat.com/pthreads-win32/ cvs
See the corresponding COPYING* files for the license text.
You might need to grab the runtime from
http://www.microsoft.com/en-us/download/details.aspx?id=8328
or
http://www.microsoft.com/en-us/download/details.aspx?id=13523

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/*
* rtl-sdr, turns your Realtek RTL2832 based DVB dongle into a SDR receiver
* Copyright (C) 2012-2013 by Steve Markgraf <steve@steve-m.de>
* Copyright (C) 2012 by Dimitri Stolnikov <horiz0n@gmx.net>
*
* 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 2 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 <http://www.gnu.org/licenses/>.
*/
#ifndef __RTL_SDR_H
#define __RTL_SDR_H
#ifdef __cplusplus
extern "C" {
#endif
#include <stdint.h>
#include <rtl-sdr_export.h>
typedef struct rtlsdr_dev rtlsdr_dev_t;
RTLSDR_API uint32_t rtlsdr_get_device_count(void);
RTLSDR_API const char* rtlsdr_get_device_name(uint32_t index);
/*!
* Get USB device strings.
*
* NOTE: The string arguments must provide space for up to 256 bytes.
*
* \param index the device index
* \param manufact manufacturer name, may be NULL
* \param product product name, may be NULL
* \param serial serial number, may be NULL
* \return 0 on success
*/
RTLSDR_API int rtlsdr_get_device_usb_strings(uint32_t index,
char *manufact,
char *product,
char *serial);
/*!
* Get device index by USB serial string descriptor.
*
* \param serial serial string of the device
* \return device index of first device where the name matched
* \return -1 if name is NULL
* \return -2 if no devices were found at all
* \return -3 if devices were found, but none with matching name
*/
RTLSDR_API int rtlsdr_get_index_by_serial(const char *serial);
RTLSDR_API int rtlsdr_open(rtlsdr_dev_t **dev, uint32_t index);
RTLSDR_API int rtlsdr_close(rtlsdr_dev_t *dev);
/* configuration functions */
/*!
* Set crystal oscillator frequencies used for the RTL2832 and the tuner IC.
*
* Usually both ICs use the same clock. Changing the clock may make sense if
* you are applying an external clock to the tuner or to compensate the
* frequency (and samplerate) error caused by the original (cheap) crystal.
*
* NOTE: Call this function only if you fully understand the implications.
*
* \param dev the device handle given by rtlsdr_open()
* \param rtl_freq frequency value used to clock the RTL2832 in Hz
* \param tuner_freq frequency value used to clock the tuner IC in Hz
* \return 0 on success
*/
RTLSDR_API int rtlsdr_set_xtal_freq(rtlsdr_dev_t *dev, uint32_t rtl_freq,
uint32_t tuner_freq);
/*!
* Get crystal oscillator frequencies used for the RTL2832 and the tuner IC.
*
* Usually both ICs use the same clock.
*
* \param dev the device handle given by rtlsdr_open()
* \param rtl_freq frequency value used to clock the RTL2832 in Hz
* \param tuner_freq frequency value used to clock the tuner IC in Hz
* \return 0 on success
*/
RTLSDR_API int rtlsdr_get_xtal_freq(rtlsdr_dev_t *dev, uint32_t *rtl_freq,
uint32_t *tuner_freq);
/*!
* Get USB device strings.
*
* NOTE: The string arguments must provide space for up to 256 bytes.
*
* \param dev the device handle given by rtlsdr_open()
* \param manufact manufacturer name, may be NULL
* \param product product name, may be NULL
* \param serial serial number, may be NULL
* \return 0 on success
*/
RTLSDR_API int rtlsdr_get_usb_strings(rtlsdr_dev_t *dev, char *manufact,
char *product, char *serial);
/*!
* Write the device EEPROM
*
* \param dev the device handle given by rtlsdr_open()
* \param data buffer of data to be written
* \param offset address where the data should be written
* \param len length of the data
* \return 0 on success
* \return -1 if device handle is invalid
* \return -2 if EEPROM size is exceeded
* \return -3 if no EEPROM was found
*/
RTLSDR_API int rtlsdr_write_eeprom(rtlsdr_dev_t *dev, uint8_t *data,
uint8_t offset, uint16_t len);
/*!
* Read the device EEPROM
*
* \param dev the device handle given by rtlsdr_open()
* \param data buffer where the data should be written
* \param offset address where the data should be read from
* \param len length of the data
* \return 0 on success
* \return -1 if device handle is invalid
* \return -2 if EEPROM size is exceeded
* \return -3 if no EEPROM was found
*/
RTLSDR_API int rtlsdr_read_eeprom(rtlsdr_dev_t *dev, uint8_t *data,
uint8_t offset, uint16_t len);
RTLSDR_API int rtlsdr_set_center_freq(rtlsdr_dev_t *dev, uint32_t freq);
/*!
* Get actual frequency the device is tuned to.
*
* \param dev the device handle given by rtlsdr_open()
* \return 0 on error, frequency in Hz otherwise
*/
RTLSDR_API uint32_t rtlsdr_get_center_freq(rtlsdr_dev_t *dev);
/*!
* Set the frequency correction value for the device.
*
* \param dev the device handle given by rtlsdr_open()
* \param ppm correction value in parts per million (ppm)
* \return 0 on success
*/
RTLSDR_API int rtlsdr_set_freq_correction(rtlsdr_dev_t *dev, int ppm);
/*!
* Get actual frequency correction value of the device.
*
* \param dev the device handle given by rtlsdr_open()
* \return correction value in parts per million (ppm)
*/
RTLSDR_API int rtlsdr_get_freq_correction(rtlsdr_dev_t *dev);
enum rtlsdr_tuner {
RTLSDR_TUNER_UNKNOWN = 0,
RTLSDR_TUNER_E4000,
RTLSDR_TUNER_FC0012,
RTLSDR_TUNER_FC0013,
RTLSDR_TUNER_FC2580,
RTLSDR_TUNER_R820T,
RTLSDR_TUNER_R828D
};
/*!
* Get the tuner type.
*
* \param dev the device handle given by rtlsdr_open()
* \return RTLSDR_TUNER_UNKNOWN on error, tuner type otherwise
*/
RTLSDR_API enum rtlsdr_tuner rtlsdr_get_tuner_type(rtlsdr_dev_t *dev);
/*!
* Get a list of gains supported by the tuner.
*
* NOTE: The gains argument must be preallocated by the caller. If NULL is
* being given instead, the number of available gain values will be returned.
*
* \param dev the device handle given by rtlsdr_open()
* \param gains array of gain values. In tenths of a dB, 115 means 11.5 dB.
* \return <= 0 on error, number of available (returned) gain values otherwise
*/
RTLSDR_API int rtlsdr_get_tuner_gains(rtlsdr_dev_t *dev, int *gains);
/*!
* Set the gain for the device.
* Manual gain mode must be enabled for this to work.
*
* Valid gain values (in tenths of a dB) for the E4000 tuner:
* -10, 15, 40, 65, 90, 115, 140, 165, 190,
* 215, 240, 290, 340, 420, 430, 450, 470, 490
*
* Valid gain values may be queried with \ref rtlsdr_get_tuner_gains function.
*
* \param dev the device handle given by rtlsdr_open()
* \param gain in tenths of a dB, 115 means 11.5 dB.
* \return 0 on success
*/
RTLSDR_API int rtlsdr_set_tuner_gain(rtlsdr_dev_t *dev, int gain);
/*!
* Get actual gain the device is configured to.
*
* \param dev the device handle given by rtlsdr_open()
* \return 0 on error, gain in tenths of a dB, 115 means 11.5 dB.
*/
RTLSDR_API int rtlsdr_get_tuner_gain(rtlsdr_dev_t *dev);
/*!
* Set the intermediate frequency gain for the device.
*
* \param dev the device handle given by rtlsdr_open()
* \param stage intermediate frequency gain stage number (1 to 6 for E4000)
* \param gain in tenths of a dB, -30 means -3.0 dB.
* \return 0 on success
*/
RTLSDR_API int rtlsdr_set_tuner_if_gain(rtlsdr_dev_t *dev, int stage, int gain);
/*!
* Set the gain mode (automatic/manual) for the device.
* Manual gain mode must be enabled for the gain setter function to work.
*
* \param dev the device handle given by rtlsdr_open()
* \param manual gain mode, 1 means manual gain mode shall be enabled.
* \return 0 on success
*/
RTLSDR_API int rtlsdr_set_tuner_gain_mode(rtlsdr_dev_t *dev, int manual);
/*!
* Set the sample rate for the device, also selects the baseband filters
* according to the requested sample rate for tuners where this is possible.
*
* \param dev the device handle given by rtlsdr_open()
* \param samp_rate the sample rate to be set, possible values are:
* 225001 - 300000 Hz
* 900001 - 3200000 Hz
* sample loss is to be expected for rates > 2400000
* \return 0 on success, -EINVAL on invalid rate
*/
RTLSDR_API int rtlsdr_set_sample_rate(rtlsdr_dev_t *dev, uint32_t rate);
/*!
* Get actual sample rate the device is configured to.
*
* \param dev the device handle given by rtlsdr_open()
* \return 0 on error, sample rate in Hz otherwise
*/
RTLSDR_API uint32_t rtlsdr_get_sample_rate(rtlsdr_dev_t *dev);
/*!
* Enable test mode that returns an 8 bit counter instead of the samples.
* The counter is generated inside the RTL2832.
*
* \param dev the device handle given by rtlsdr_open()
* \param test mode, 1 means enabled, 0 disabled
* \return 0 on success
*/
RTLSDR_API int rtlsdr_set_testmode(rtlsdr_dev_t *dev, int on);
/*!
* Enable or disable the internal digital AGC of the RTL2832.
*
* \param dev the device handle given by rtlsdr_open()
* \param digital AGC mode, 1 means enabled, 0 disabled
* \return 0 on success
*/
RTLSDR_API int rtlsdr_set_agc_mode(rtlsdr_dev_t *dev, int on);
/*!
* Enable or disable the direct sampling mode. When enabled, the IF mode
* of the RTL2832 is activated, and rtlsdr_set_center_freq() will control
* the IF-frequency of the DDC, which can be used to tune from 0 to 28.8 MHz
* (xtal frequency of the RTL2832).
*
* \param dev the device handle given by rtlsdr_open()
* \param on 0 means disabled, 1 I-ADC input enabled, 2 Q-ADC input enabled
* \return 0 on success
*/
RTLSDR_API int rtlsdr_set_direct_sampling(rtlsdr_dev_t *dev, int on);
/*!
* Get state of the direct sampling mode
*
* \param dev the device handle given by rtlsdr_open()
* \return -1 on error, 0 means disabled, 1 I-ADC input enabled
* 2 Q-ADC input enabled
*/
RTLSDR_API int rtlsdr_get_direct_sampling(rtlsdr_dev_t *dev);
/*!
* Enable or disable offset tuning for zero-IF tuners, which allows to avoid
* problems caused by the DC offset of the ADCs and 1/f noise.
*
* \param dev the device handle given by rtlsdr_open()
* \param on 0 means disabled, 1 enabled
* \return 0 on success
*/
RTLSDR_API int rtlsdr_set_offset_tuning(rtlsdr_dev_t *dev, int on);
/*!
* Get state of the offset tuning mode
*
* \param dev the device handle given by rtlsdr_open()
* \return -1 on error, 0 means disabled, 1 enabled
*/
RTLSDR_API int rtlsdr_get_offset_tuning(rtlsdr_dev_t *dev);
/* streaming functions */
RTLSDR_API int rtlsdr_reset_buffer(rtlsdr_dev_t *dev);
RTLSDR_API int rtlsdr_read_sync(rtlsdr_dev_t *dev, void *buf, int len, int *n_read);
typedef void(*rtlsdr_read_async_cb_t)(unsigned char *buf, uint32_t len, void *ctx);
/*!
* Read samples from the device asynchronously. This function will block until
* it is being canceled using rtlsdr_cancel_async()
*
* NOTE: This function is deprecated and is subject for removal.
*
* \param dev the device handle given by rtlsdr_open()
* \param cb callback function to return received samples
* \param ctx user specific context to pass via the callback function
* \return 0 on success
*/
RTLSDR_API int rtlsdr_wait_async(rtlsdr_dev_t *dev, rtlsdr_read_async_cb_t cb, void *ctx);
/*!
* Read samples from the device asynchronously. This function will block until
* it is being canceled using rtlsdr_cancel_async()
*
* \param dev the device handle given by rtlsdr_open()
* \param cb callback function to return received samples
* \param ctx user specific context to pass via the callback function
* \param buf_num optional buffer count, buf_num * buf_len = overall buffer size
* set to 0 for default buffer count (32)
* \param buf_len optional buffer length, must be multiple of 512,
* set to 0 for default buffer length (16 * 32 * 512)
* \return 0 on success
*/
RTLSDR_API int rtlsdr_read_async(rtlsdr_dev_t *dev,
rtlsdr_read_async_cb_t cb,
void *ctx,
uint32_t buf_num,
uint32_t buf_len);
/*!
* Cancel all pending asynchronous operations on the device.
*
* \param dev the device handle given by rtlsdr_open()
* \return 0 on success
*/
RTLSDR_API int rtlsdr_cancel_async(rtlsdr_dev_t *dev);
#ifdef __cplusplus
}
#endif
#endif /* __RTL_SDR_H */

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/*
* rtl-sdr, turns your Realtek RTL2832 based DVB dongle into a SDR receiver
* Copyright (C) 2012 by Hoernchen <la@tfc-server.de>
*
* 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 2 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 <http://www.gnu.org/licenses/>.
*/
#ifndef RTLSDR_EXPORT_H
#define RTLSDR_EXPORT_H
#if defined __GNUC__
# if __GNUC__ >= 4
# define __SDR_EXPORT __attribute__((visibility("default")))
# define __SDR_IMPORT __attribute__((visibility("default")))
# else
# define __SDR_EXPORT
# define __SDR_IMPORT
# endif
#elif _MSC_VER
# define __SDR_EXPORT __declspec(dllexport)
# define __SDR_IMPORT __declspec(dllimport)
#else
# define __SDR_EXPORT
# define __SDR_IMPORT
#endif
#ifndef rtlsdr_STATIC
# ifdef rtlsdr_EXPORTS
# define RTLSDR_API __SDR_EXPORT
# else
# define RTLSDR_API __SDR_IMPORT
# endif
#else
#define RTLSDR_API
#endif
#endif /* RTLSDR_EXPORT_H */

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#define OPENGL
//WX_GL_CORE_PROFILE 1
//WX_GL_MAJOR_VERSION 3
//WX_GL_MINOR_VERSION 2
#include "wx/wxprec.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#if !wxUSE_GLCANVAS
#error "OpenGL required: set wxUSE_GLCANVAS to 1 and rebuild the library"
#endif
#include "CubicSDR.h"
// ----------------------------------------------------------------------------
// constants
// ----------------------------------------------------------------------------
// control ids
enum {
SpinTimer = wxID_HIGHEST + 1
};
// ----------------------------------------------------------------------------
// helper functions
// ----------------------------------------------------------------------------
static void CheckGLError() {
GLenum errLast = GL_NO_ERROR;
for (;;) {
GLenum err = glGetError();
if (err == GL_NO_ERROR)
return;
// normally the error is reset by the call to glGetError() but if
// glGetError() itself returns an error, we risk looping forever here
// so check that we get a different error than the last time
if (err == errLast) {
wxLogError
(wxT("OpenGL error state couldn't be reset."));
return;
}
errLast = err;
wxLogError
(wxT("OpenGL error %d"), err);
}
}
// function to draw the texture for cube faces
static wxImage DrawDice(int size, unsigned num) {
wxASSERT_MSG(num >= 1 && num <= 6, wxT("invalid dice index"));
const int dot = size / 16; // radius of a single dot
const int gap = 5 * size / 32; // gap between dots
wxBitmap bmp(size, size);
wxMemoryDC dc;
dc.SelectObject(bmp);
dc.SetBackground(*wxWHITE_BRUSH);
dc.Clear();
dc.SetBrush(*wxBLACK_BRUSH);
// the upper left and lower right points
if (num != 1) {
dc.DrawCircle(gap + dot, gap + dot, dot);
dc.DrawCircle(size - gap - dot, size - gap - dot, dot);
}
// draw the central point for odd dices
if (num % 2) {
dc.DrawCircle(size / 2, size / 2, dot);
}
// the upper right and lower left points
if (num > 3) {
dc.DrawCircle(size - gap - dot, gap + dot, dot);
dc.DrawCircle(gap + dot, size - gap - dot, dot);
}
// finally those 2 are only for the last dice
if (num == 6) {
dc.DrawCircle(gap + dot, size / 2, dot);
dc.DrawCircle(size - gap - dot, size / 2, dot);
}
dc.SelectObject(wxNullBitmap);
return bmp.ConvertToImage();
}
// ============================================================================
// implementation
// ============================================================================
// ----------------------------------------------------------------------------
// PrimaryGLContext
// ----------------------------------------------------------------------------
PrimaryGLContext::PrimaryGLContext(wxGLCanvas *canvas) :
wxGLContext(canvas) {
SetCurrent(*canvas);
// set up the parameters we want to use
glEnable(GL_CULL_FACE);
glEnable(GL_DEPTH_TEST);
glEnable(GL_LIGHTING);
glEnable(GL_LIGHT0);
glEnable(GL_TEXTURE_2D);
// add slightly more light, the default lighting is rather dark
GLfloat ambient[] = { 0.5, 0.5, 0.5, 0.5 };
glLightfv(GL_LIGHT0, GL_AMBIENT, ambient);
// set viewing projection
glMatrixMode(GL_PROJECTION);
glLoadIdentity();
glFrustum(-0.5f, 0.5f, -0.5f, 0.5f, 1.0f, 3.0f);
// create the textures to use for cube sides: they will be reused by all
// canvases (which is probably not critical in the case of simple textures
// we use here but could be really important for a real application where
// each texture could take many megabytes)
glGenTextures(WXSIZEOF(m_textures), m_textures);
for (unsigned i = 0; i < WXSIZEOF(m_textures); i++) {
glBindTexture(GL_TEXTURE_2D, m_textures[i]);
glTexEnvf(GL_TEXTURE_ENV, GL_TEXTURE_ENV_MODE, GL_MODULATE);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_S, GL_CLAMP);
glTexParameterf(GL_TEXTURE_2D, GL_TEXTURE_WRAP_T, GL_CLAMP);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MAG_FILTER, GL_NEAREST);
glTexParameteri(GL_TEXTURE_2D, GL_TEXTURE_MIN_FILTER, GL_NEAREST);
const wxImage img(DrawDice(256, i + 1));
glPixelStorei(GL_UNPACK_ALIGNMENT, 1);
glTexImage2D(GL_TEXTURE_2D, 0, GL_RGBA, img.GetWidth(), img.GetHeight(), 0, GL_RGB, GL_UNSIGNED_BYTE, img.GetData());
}
CheckGLError();
}
void PrimaryGLContext::DrawRotatedCube(float xangle, float yangle) {
glClear(GL_COLOR_BUFFER_BIT | GL_DEPTH_BUFFER_BIT);
glMatrixMode(GL_MODELVIEW);
glLoadIdentity();
glTranslatef(0.0f, 0.0f, -2.0f);
glRotatef(xangle, 1.0f, 0.0f, 0.0f);
glRotatef(yangle, 0.0f, 1.0f, 0.0f);
// draw six faces of a cube of size 1 centered at (0, 0, 0)
glBindTexture(GL_TEXTURE_2D, m_textures[0]);
glBegin(GL_QUADS);
glNormal3f(0.0f, 0.0f, 1.0f);
glTexCoord2f(0, 0);
glVertex3f(0.5f, 0.5f, 0.5f);
glTexCoord2f(1, 0);
glVertex3f(-0.5f, 0.5f, 0.5f);
glTexCoord2f(1, 1);
glVertex3f(-0.5f, -0.5f, 0.5f);
glTexCoord2f(0, 1);
glVertex3f(0.5f, -0.5f, 0.5f);
glEnd();
glBindTexture(GL_TEXTURE_2D, m_textures[1]);
glBegin(GL_QUADS);
glNormal3f(0.0f, 0.0f, -1.0f);
glTexCoord2f(0, 0);
glVertex3f(-0.5f, -0.5f, -0.5f);
glTexCoord2f(1, 0);
glVertex3f(-0.5f, 0.5f, -0.5f);
glTexCoord2f(1, 1);
glVertex3f(0.5f, 0.5f, -0.5f);
glTexCoord2f(0, 1);
glVertex3f(0.5f, -0.5f, -0.5f);
glEnd();
glBindTexture(GL_TEXTURE_2D, m_textures[2]);
glBegin(GL_QUADS);
glNormal3f(0.0f, 1.0f, 0.0f);
glTexCoord2f(0, 0);
glVertex3f(0.5f, 0.5f, 0.5f);
glTexCoord2f(1, 0);
glVertex3f(0.5f, 0.5f, -0.5f);
glTexCoord2f(1, 1);
glVertex3f(-0.5f, 0.5f, -0.5f);
glTexCoord2f(0, 1);
glVertex3f(-0.5f, 0.5f, 0.5f);
glEnd();
glBindTexture(GL_TEXTURE_2D, m_textures[3]);
glBegin(GL_QUADS);
glNormal3f(0.0f, -1.0f, 0.0f);
glTexCoord2f(0, 0);
glVertex3f(-0.5f, -0.5f, -0.5f);
glTexCoord2f(1, 0);
glVertex3f(0.5f, -0.5f, -0.5f);
glTexCoord2f(1, 1);
glVertex3f(0.5f, -0.5f, 0.5f);
glTexCoord2f(0, 1);
glVertex3f(-0.5f, -0.5f, 0.5f);
glEnd();
glBindTexture(GL_TEXTURE_2D, m_textures[4]);
glBegin(GL_QUADS);
glNormal3f(1.0f, 0.0f, 0.0f);
glTexCoord2f(0, 0);
glVertex3f(0.5f, 0.5f, 0.5f);
glTexCoord2f(1, 0);
glVertex3f(0.5f, -0.5f, 0.5f);
glTexCoord2f(1, 1);
glVertex3f(0.5f, -0.5f, -0.5f);
glTexCoord2f(0, 1);
glVertex3f(0.5f, 0.5f, -0.5f);
glEnd();
glBindTexture(GL_TEXTURE_2D, m_textures[5]);
glBegin(GL_QUADS);
glNormal3f(-1.0f, 0.0f, 0.0f);
glTexCoord2f(0, 0);
glVertex3f(-0.5f, -0.5f, -0.5f);
glTexCoord2f(1, 0);
glVertex3f(-0.5f, -0.5f, 0.5f);
glTexCoord2f(1, 1);
glVertex3f(-0.5f, 0.5f, 0.5f);
glTexCoord2f(0, 1);
glVertex3f(-0.5f, 0.5f, -0.5f);
glEnd();
glFlush();
CheckGLError();
}
// ----------------------------------------------------------------------------
// CubicSDR: the application object
// ----------------------------------------------------------------------------
IMPLEMENT_APP(CubicSDR)
bool CubicSDR::OnInit() {
if (!wxApp::OnInit())
return false;
new AppFrame();
m_pThread = new SDRThread(this);
if (m_pThread->Run() != wxTHREAD_NO_ERROR) {
wxLogError
("Can't create the thread!");
delete m_pThread;
m_pThread = NULL;
}
return true;
}
int CubicSDR::OnExit() {
delete m_glContext;
{
wxCriticalSectionLocker enter(m_pThreadCS);
if (m_pThread) {
wxMessageOutputDebug().Printf("CubicSDR: deleting thread");
if (m_pThread->Delete() != wxTHREAD_NO_ERROR) {
wxLogError
("Can't delete the thread!");
}
}
}
// while (1) {
// { wxCriticalSectionLocker enter(m_pThreadCS);
// if (!m_pThread)
// break;
// }
// // wait for thread completion
// wxThread::This()->Sleep(1);
// }
return wxApp::OnExit();
}
PrimaryGLContext& CubicSDR::GetContext(wxGLCanvas *canvas) {
PrimaryGLContext *glContext;
if (!m_glContext) {
// Create the OpenGL context for the first mono window which needs it:
// subsequently created windows will all share the same context.
m_glContext = new PrimaryGLContext(canvas);
}
glContext = m_glContext;
glContext->SetCurrent(*canvas);
return *glContext;
}
// ----------------------------------------------------------------------------
// TestGLCanvas
// ----------------------------------------------------------------------------
wxBEGIN_EVENT_TABLE(TestGLCanvas, wxGLCanvas) EVT_PAINT(TestGLCanvas::OnPaint)
EVT_KEY_DOWN(TestGLCanvas::OnKeyDown)
EVT_TIMER(SpinTimer, TestGLCanvas::OnSpinTimer)
wxEND_EVENT_TABLE()
TestGLCanvas::TestGLCanvas(wxWindow *parent, int *attribList)
// With perspective OpenGL graphics, the wxFULL_REPAINT_ON_RESIZE style
// flag should always be set, because even making the canvas smaller should
// be followed by a paint event that updates the entire canvas with new
// viewport settings.
:
wxGLCanvas(parent, wxID_ANY, attribList, wxDefaultPosition, wxDefaultSize,
wxFULL_REPAINT_ON_RESIZE), m_xangle(30.0), m_yangle(30.0), m_spinTimer(this, SpinTimer) {
// if ( attribList )
// {
// int i = 0;
// while ( attribList[i] != 0 )
// {
// ++i;
// }
// }
}
void TestGLCanvas::OnPaint(wxPaintEvent& WXUNUSED(event)) {
// This is required even though dc is not used otherwise.
wxPaintDC dc(this);
// Set the OpenGL viewport according to the client size of this canvas.
// This is done here rather than in a wxSizeEvent handler because our
// OpenGL rendering context (and thus viewport setting) is used with
// multiple canvases: If we updated the viewport in the wxSizeEvent
// handler, changing the size of one canvas causes a viewport setting that
// is wrong when next another canvas is repainted.
const wxSize ClientSize = GetClientSize();
PrimaryGLContext& canvas = wxGetApp().GetContext(this);
glViewport(0, 0, ClientSize.x, ClientSize.y);
// Render the graphics and swap the buffers.
canvas.DrawRotatedCube(m_xangle, m_yangle);
SwapBuffers();
}
void TestGLCanvas::Spin(float xSpin, float ySpin) {
m_xangle += xSpin;
m_yangle += ySpin;
Refresh(false);
}
void TestGLCanvas::OnKeyDown(wxKeyEvent& event) {
float angle = 5.0;
switch (event.GetKeyCode()) {
case WXK_RIGHT:
Spin(0.0, -angle);
break;
case WXK_LEFT:
Spin(0.0, angle);
break;
case WXK_DOWN:
Spin(-angle, 0.0);
break;
case WXK_UP:
Spin(angle, 0.0);
break;
case WXK_SPACE:
if (m_spinTimer.IsRunning())
m_spinTimer.Stop();
else
m_spinTimer.Start(1);
break;
default:
event.Skip();
return;
}
}
void TestGLCanvas::OnSpinTimer(wxTimerEvent& WXUNUSED(event)) {
Spin(0.0, 4.0);
}
wxString glGetwxString(GLenum name) {
const GLubyte *v = glGetString(name);
if (v == 0) {
// The error is not important. It is GL_INVALID_ENUM.
// We just want to clear the error stack.
glGetError();
return wxString();
}
return wxString((const char*) v);
}
// ----------------------------------------------------------------------------
// AppFrame: main application window
// ----------------------------------------------------------------------------
wxBEGIN_EVENT_TABLE(AppFrame, wxFrame) EVT_MENU(wxID_NEW, AppFrame::OnNewWindow)
EVT_MENU(wxID_CLOSE, AppFrame::OnClose)
wxEND_EVENT_TABLE()
AppFrame::AppFrame() :
wxFrame(NULL, wxID_ANY, wxT("CubicSDR")) {
new TestGLCanvas(this, NULL);
SetIcon(wxICON(sample));
// Make a menubar
wxMenu *menu = new wxMenu;
menu->Append(wxID_NEW);
menu->AppendSeparator();
menu->Append(wxID_CLOSE);
wxMenuBar *menuBar = new wxMenuBar;
menuBar->Append(menu, wxT("&Cube"));
SetMenuBar(menuBar);
CreateStatusBar();
SetClientSize(400, 400);
Show();
// static const int attribs[] = { WX_GL_RGBA, WX_GL_DOUBLEBUFFER, 0 };
// wxLogStatus("Double-buffered display %s supported", wxGLCanvas::IsDisplaySupported(attribs) ? "is" : "not");
// ShowFullScreen(true);
}
void AppFrame::OnClose(wxCommandEvent& WXUNUSED(event)) {
// true is to force the frame to close
Close(true);
}
void AppFrame::OnNewWindow(wxCommandEvent& WXUNUSED(event)) {
new AppFrame();
}

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#pragma once
//WX_GL_CORE_PROFILE 1
//WX_GL_MAJOR_VERSION 3
//WX_GL_MINOR_VERSION 2
#include "wx/glcanvas.h"
#include "SDRThread.h"
// the rendering context used by all GL canvases
class PrimaryGLContext : public wxGLContext
{
public:
PrimaryGLContext(wxGLCanvas *canvas);
// render the cube showing it at given angles
void DrawRotatedCube(float xangle, float yangle);
private:
// textures for the cube faces
GLuint m_textures[6];
};
class CubicSDR : public wxApp
{
public:
CubicSDR() { m_glContext = NULL; }
PrimaryGLContext& GetContext(wxGLCanvas *canvas);
virtual bool OnInit();
virtual int OnExit();
private:
PrimaryGLContext *m_glContext;
SDRThread *m_pThread;
wxCriticalSection m_pThreadCS;
};
// Define a new frame type
class AppFrame : public wxFrame
{
public:
AppFrame();
private:
void OnClose(wxCommandEvent& event);
void OnNewWindow(wxCommandEvent& event);
wxDECLARE_EVENT_TABLE();
};
class TestGLCanvas : public wxGLCanvas
{
public:
TestGLCanvas(wxWindow *parent, int *attribList = NULL);
private:
void OnPaint(wxPaintEvent& event);
void Spin(float xSpin, float ySpin);
void OnKeyDown(wxKeyEvent& event);
void OnSpinTimer(wxTimerEvent& WXUNUSED(event));
// angles of rotation around x- and y- axis
float m_xangle,
m_yangle;
wxTimer m_spinTimer;
wxDECLARE_EVENT_TABLE();
};

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#include "SDRThread.h"
static void rtl_callback(unsigned char *buf, uint32_t len, void *ctx) {
std::cout << "Got buffer! length: " << len << std::endl;
}
SDRThread::SDRThread(wxApp *app) :
wxThread(wxTHREAD_DETACHED) {
dev = NULL;
this->handler = handler;
}
SDRThread::~SDRThread() {
}
void SDRThread::enumerate_rtl() {
unsigned int rtl_count = rtlsdr_get_device_count();
std::cout << "RTL Devices: " << rtl_count << std::endl;
char manufact[256];
char product[256];
char serial[256];
for (int i = 0; i < rtl_count; i++) {
std::cout << "Device #" << i << ": " << rtlsdr_get_device_name(i) << std::endl;
if (rtlsdr_get_device_usb_strings(i, manufact, product, serial) == 0) {
std::cout << "\tManufacturer: " << manufact << ", Product Name: " << product << ", Serial: " << serial << std::endl;
rtlsdr_open(&dev, i);
std::cout << "\t Tuner type: ";
switch (rtlsdr_get_tuner_type(dev)) {
case RTLSDR_TUNER_UNKNOWN:
std::cout << "Unknown";
break;
case RTLSDR_TUNER_E4000:
std::cout << "Elonics E4000";
break;
case RTLSDR_TUNER_FC0012:
std::cout << "Fitipower FC0012";
break;
case RTLSDR_TUNER_FC0013:
std::cout << "Fitipower FC0013";
break;
case RTLSDR_TUNER_FC2580:
std::cout << "Fitipower FC2580";
break;
case RTLSDR_TUNER_R820T:
std::cout << "Rafael Micro R820T";
break;
case RTLSDR_TUNER_R828D:
break;
}
std::cout << std::endl;
/*
int num_gains = rtlsdr_get_tuner_gains(dev, NULL);
int *gains = (int *)malloc(sizeof(int) * num_gains);
rtlsdr_get_tuner_gains(dev, gains);
std::cout << "\t Valid gains: ";
for (int g = 0; g < num_gains; g++) {
if (g > 0) {
std::cout << ", ";
}
std::cout << ((float)gains[g]/10.0f);
}
std::cout << std::endl;
free(gains);
*/
rtlsdr_close(dev);
} else {
std::cout << "\tUnable to access device #" << i << " (in use?)" << std::endl;
}
}
}
#define BUF_SIZE 16 * 32 * 512
wxThread::ExitCode SDRThread::Entry() {
__int8 *buf = (__int8 *) malloc(BUF_SIZE);
enumerate_rtl();
rtlsdr_open(&dev, 4);
rtlsdr_set_sample_rate(dev, 2500000);
rtlsdr_set_center_freq(dev, 105700000);
rtlsdr_reset_buffer(dev);
int n_read;
int i = 0;
// rtlsdr_read_async(dev, rtl_callback, NULL, 0, 0);
std::cout << "Sampling..";
while (!TestDestroy()) {
rtlsdr_read_sync(dev, buf, BUF_SIZE, &n_read);
// std::cout << "Got buffer! length: " << n_read << std::endl;
std::cout << ".";
if (i%50==0) {
std::cout << std::endl;
}
i++;
//wxQueueEvent(app,new wxThreadEvent(wxEVT_COMMAND_SDRThread_UPDATE));
}
std::cout << std::endl << "Done." << std::endl << std::endl;
// wxQueueEvent(m_pHandler,new wxThreadEvent(wxEVT_COMMAND_SDRThread_COMPLETED));
free(buf);
rtlsdr_close(dev);
return (wxThread::ExitCode) 0; // success
}
/*
class MyFrame: public wxFrame {
public:
~MyFrame() {
// it's better to do any thread cleanup in the OnClose()
// event handler, rather than in the destructor.
// This is because the event loop for a top-level window is not
// active anymore when its destructor is called and if the thread
// sends events when ending, they won't be processed unless
// you ended the thread from OnClose.
// See @ref overview_windowdeletion for more info.
}
void DoStartThread();
void DoPauseThread();
// a resume routine would be nearly identic to DoPauseThread()
void DoResumeThread() {
}
void OnThreadUpdate(wxThreadEvent&);
void OnThreadCompletion(wxThreadEvent&);
void OnClose(wxCloseEvent&);
protected:
SDRThread *m_pThread;
wxCriticalSection m_pThreadCS; // protects the m_pThread pointer
wxDECLARE_EVENT_TABLE();
};
wxBEGIN_EVENT_TABLE(MyFrame, wxFrame) EVT_CLOSE(MyFrame::OnClose)
EVT_MENU(Minimal_Start, MyFrame::DoStartThread)
EVT_COMMAND(wxID_ANY, wxEVT_COMMAND_SDRThread_UPDATE, MyFrame::OnThreadUpdate)
EVT_COMMAND(wxID_ANY, wxEVT_COMMAND_SDRThread_COMPLETED, MyFrame::OnThreadCompletion)
wxEND_EVENT_TABLE()
wxDEFINE_EVENT(wxEVT_COMMAND_SDRThread_COMPLETED, wxThreadEvent)wxDEFINE_EVENT
(wxEVT_COMMAND_SDRThread_UPDATE, wxThreadEvent)void
MyFrame::DoStartThread() {
m_pThread = new SDRThread(this);
if (m_pThread->Run() != wxTHREAD_NO_ERROR) {
wxLogError
("Can't create the thread!");
delete m_pThread;
m_pThread = NULL;
}
// after the call to wxThread::Run(), the m_pThread pointer is "unsafe":
// at any moment the thread may cease to exist (because it completes its work).
// To avoid dangling pointers OnThreadExit() will set m_pThread
// to NULL when the thread dies.
}
wxThread::ExitCode SDRThread::Entry() {
while (!TestDestroy()) {
// ... do a bit of work...
wxQueueEvent(m_pHandler,
new wxThreadEvent(wxEVT_COMMAND_SDRThread_UPDATE));
}
// signal the event handler that this thread is going to be destroyed
// NOTE: here we assume that using the m_pHandler pointer is safe,
// (in this case this is assured by the MyFrame destructor)
wxQueueEvent(m_pHandler,
new wxThreadEvent(wxEVT_COMMAND_SDRThread_COMPLETED));
return (wxThread::ExitCode) 0; // success
}
SDRThread::~SDRThread() {
wxCriticalSectionLocker enter(m_pHandler->m_pThreadCS);
// the thread is being destroyed; make sure not to leave dangling pointers around
m_pHandler->m_pThread = NULL;
}
void MyFrame::OnThreadCompletion(wxThreadEvent&) {
wxMessageOutputDebug().Printf("MYFRAME: SDRThread exited!\n");
}
void MyFrame::OnThreadUpdate(wxThreadEvent&) {
wxMessageOutputDebug().Printf("MYFRAME: SDRThread update...\n");
}
void MyFrame::DoPauseThread() {
// anytime we access the m_pThread pointer we must ensure that it won't
// be modified in the meanwhile; since only a single thread may be
// inside a given critical section at a given time, the following code
// is safe:
wxCriticalSectionLocker enter(m_pThreadCS);
if (m_pThread) // does the thread still exist?
{
// without a critical section, once reached this point it may happen
// that the OS scheduler gives control to the SDRThread::Entry() function,
// which in turn may return (because it completes its work) making
// invalid the m_pThread pointer
if (m_pThread->Pause() != wxTHREAD_NO_ERROR)
wxLogError
("Can't pause the thread!");
}
}
void MyFrame::OnClose(wxCloseEvent&) {
{
wxCriticalSectionLocker enter(m_pThreadCS);
if (m_pThread) // does the thread still exist?
{
wxMessageOutputDebug().Printf("MYFRAME: deleting thread");
if (m_pThread->Delete() != wxTHREAD_NO_ERROR)
wxLogError
("Can't delete the thread!");
}
} // exit from the critical section to give the thread
// the possibility to enter its destructor
// (which is guarded with m_pThreadCS critical section!)
while (1) {
{ // was the ~SDRThread() function executed?
wxCriticalSectionLocker enter(m_pThreadCS);
if (!m_pThread)
break;
}
// wait for thread completion
wxThread::This()->Sleep(1);
}
Destroy();
}
*/

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src/SDRThread.h Normal file
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#pragma once
#include "wx/wxprec.h"
#include "rtl-sdr.h"
#ifndef WX_PRECOMP
#include "wx/wx.h"
#endif
#include "wx/thread.h"
// declare a new type of event, to be used by our SDRThread class:
wxDECLARE_EVENT(wxEVT_COMMAND_SDRThread_COMPLETED, wxThreadEvent);
wxDECLARE_EVENT(wxEVT_COMMAND_SDRThread_UPDATE, wxThreadEvent);
class SDRThread: public wxThread {
public:
rtlsdr_dev_t *dev;
SDRThread(wxApp *app);
~SDRThread();
void enumerate_rtl();
protected:
virtual ExitCode Entry();
wxApp *handler;
};