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Add badgesdr source and add logging to spectran source

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This commit is contained in:
AlexandreRouma 2024-08-05 22:32:39 +02:00
parent bcadb36232
commit 118e1fbff0
9 changed files with 1355 additions and 10 deletions
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6
decoder_modules/ryfi_decoder/src/main.cpp
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@ -23,9 +23,9 @@ SDRPP_MOD_INFO{
/* Max instances */ -1
};
#define INPUT_BANDWIDTH 800000
#define INPUT_SAMPLE_RATE 1500000
#define INPUT_BAUDRATE 720000
#define INPUT_BANDWIDTH 138e3
#define INPUT_SAMPLE_RATE 250e3
#define INPUT_BAUDRATE 125e3
#define SYMBOL_DIAG_RATE 30
#define SYMBOL_DIAG_COUNT 1024

2
decoder_modules/ryfi_decoder/src/ryfi/receiver.cpp
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@ -93,7 +93,7 @@ namespace ryfi {
// If the frames aren't consecutive
int frameRead = 0;
if (frame.counter != expectedCounter) {
//flog::warn("Lost at least {} frames", ((int)frame.counter - (int)expectedCounter + 0x10000) % 0x10000);
flog::warn("Lost at least {} frames", ((int)frame.counter - (int)expectedCounter + 0x10000) % 0x10000);
// Cancel the partial packet if there was one
pktExpected = 0;

25
source_modules/badgesdr_source/CMakeLists.txt Normal file
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@ -0,0 +1,25 @@
cmake_minimum_required(VERSION 3.13)
project(badgesdr_source)
file(GLOB SRC "src/*.cpp")
include(${SDRPP_MODULE_CMAKE})
if (MSVC)
find_package(libusb CONFIG REQUIRED)
target_include_directories(badgesdr_source PRIVATE ${LIBUSB_INCLUDE_DIRS})
target_link_libraries(badgesdr_source PRIVATE ${LIBUSB_LIBRARIES})
elseif (ANDROID)
target_link_libraries(badgesdr_source PUBLIC
/sdr-kit/${ANDROID_ABI}/lib/libusb1.0.so
/sdr-kit/${ANDROID_ABI}/lib/librtlsdr.so
)
else (MSVC)
find_package(PkgConfig)
pkg_check_modules(LIBUSB REQUIRED libusb-1.0)
target_include_directories(badgesdr_source PRIVATE ${LIBUSB_INCLUDE_DIRS})
target_link_directories(badgesdr_source PRIVATE ${LIBUSB_LIBRARY_DIRS})
target_link_libraries(badgesdr_source PRIVATE ${LIBUSB_LIBRARIES})
endif ()

309
source_modules/badgesdr_source/src/badgesdr.cpp Normal file
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@ -0,0 +1,309 @@
#include "badgesdr.h"
#include <stdexcept>
#include <utils/flog.h>
#define R820T_I2C_ADDR 0x1A
namespace BadgeSDR {
enum Commands {
CMD_I2C_RW,
CMD_I2C_STATUS,
CMD_ADC_START,
CMD_ADC_STOP,
CMD_ADC_GET_SAMP_COUNT
};
libusb_context* ctx = NULL;
bool DeviceInfo::operator==(const DeviceInfo& b) const {
return serialNumber == b.serialNumber;
}
void Device::write_reg(uint8_t reg, uint8_t value, void* ctx) {
Device* dev = (Device*)ctx;
dev->writeR820TReg(reg, value);
dev->writeR820TReg(0x1F, 0); // TODO: Figure out why this is needed
}
void Device::read_reg(uint8_t* data, int len, void* ctx) {
Device* dev = (Device*)ctx;
dev->readI2C(R820T_I2C_ADDR, data, len);
}
Device::Device(libusb_device_handle* dev) {
// Save device handle
this->dev = dev;
// Init tuner
r820t = {
16000000, // xtal_freq => 16MHz
3000000, // Set at boot to airspy_m0_m4_conf_t conf0 -> r820t_if_freq
100000000, /* Default Freq 100Mhz */
{
/* 05 */ 0x9F, // LNA manual gain mode, init to 0
/* 06 */ 0x80,
/* 07 */ 0x60,
/* 08 */ 0x80, // Image Gain Adjustment
/* 09 */ 0x40, // Image Phase Adjustment
/* 0A */ 0xA8, // Channel filter [0..3]: 0 = widest, f = narrowest - Optimal. Don't touch!
/* 0B */ 0x0F, // High pass filter - Optimal. Don't touch!
/* 0C */ 0x4F, // VGA control by code, init at 0
/* 0D */ 0x63, // LNA AGC settings: [0..3]: Lower threshold; [4..7]: High threshold
/* 0E */ 0x75,
/* 0F */ 0xE8, // Filter Widest, LDO_5V OFF, clk out ON,
/* 10 */ 0x7C,
/* 11 */ 0x42,
/* 12 */ 0x06,
/* 13 */ 0x00,
/* 14 */ 0x0F,
/* 15 */ 0x00,
/* 16 */ 0xC0,
/* 17 */ 0xA0,
/* 18 */ 0x48,
/* 19 */ 0xCC,
/* 1A */ 0x60,
/* 1B */ 0x00,
/* 1C */ 0x54,
/* 1D */ 0xAE,
/* 1E */ 0x0A,
/* 1F */ 0xC0
},
0 /* uint16_t padding */
};
r820t_init(&r820t, 3000000, write_reg, read_reg, this);
r820t_set_mixer_gain(&r820t, 15);
r820t_set_vga_gain(&r820t, 15);
}
Device::~Device() {
// Release the bulk interface
libusb_release_interface(dev, 0);
// Close device
libusb_close(dev);
}
void Device::setFrequency(double freq) {
r820t_set_freq(&r820t, freq - 2125000);
}
void Device::setLNAGain(int gain) {
r820t_set_lna_gain(&r820t, gain);
}
void Device::setMixerGain(int gain) {
r820t_set_mixer_gain(&r820t, gain);
}
void Device::setVGAGain(int gain) {
r820t_set_vga_gain(&r820t, gain);
}
void Device::start(void (*callback)(const uint8_t* samples, int count, void* ctx), void* ctx, int minBufferSize) {
// Do nothing if already running
if (run) { return; }
// Save handler
this->callback = callback;
this->ctx = ctx;
// Compute buffer size
int bufCount = minBufferSize / 64;
if (minBufferSize % 64) { bufCount++; }
bufferSize = bufCount * 64;
// Mark as running
run = true;
// Start the ADC
startADC();
// Start worker thread
workerThread = std::thread(&Device::worker, this);
}
void Device::stop() {
// Do nothing if already stopped
if (!run) { return; }
// Mark as stopped
run = false;
// Wait for the worker to exit
if (workerThread.joinable()) { workerThread.join(); }
// Stop the ADC
stopADC();
}
int Device::getI2CStatus() {
int status;
int ret = libusb_control_transfer(dev, (1 << 7) | (2 << 5), CMD_I2C_STATUS, 0, 0, (uint8_t*)&status, sizeof(status), 1000);
if (ret <= 0 || status < 0) {
return -1;
}
return status;
}
int Device::readI2C(uint8_t addr, uint8_t* data, int len) {
// Do read
int bytes = libusb_control_transfer(dev, (1 << 7) | (2 << 5), CMD_I2C_RW, 0, addr, data, len, 1000);
if (bytes < 0) {
return -1;
}
// Get status (TODO: Use function)
int status;
int ret = libusb_control_transfer(dev, (1 << 7) | (2 << 5), CMD_I2C_STATUS, 0, 0, (uint8_t*)&status, sizeof(status), 1000);
if (ret <= 0 || status < 0) {
return -1;
}
return bytes;
}
int Device::writeI2C(uint8_t addr, const uint8_t* data, int len) {
// Do write
int bytes = libusb_control_transfer(dev, (2 << 5), CMD_I2C_RW, 0, addr, (uint8_t*)data, len, 1000);
if (bytes < 0) {
return -1;
}
// Get status (TODO: Use function)
int status;
int ret = libusb_control_transfer(dev, (1 << 7) | (2 << 5), CMD_I2C_STATUS, 0, 0, (uint8_t*)&status, sizeof(status), 1000);
if (ret <= 0 || status < 0) {
return -1;
}
return bytes;
}
uint8_t bitrev(uint8_t val) {
return ((val & 0x01) << 7) | ((val & 0x02) << 5) | ((val & 0x04) << 3) | ((val & 0x08) << 1) | ((val & 0x10) >> 1) | ((val & 0x20) >> 3) | ((val & 0x40) >> 5) | ((val & 0x80) >> 7);
}
uint8_t Device::readR820TReg(uint8_t reg) {
// Read registers up to it (can't read single)
uint8_t regs[0x20];
readI2C(R820T_I2C_ADDR, regs, reg+1);
// Invert bit order
return bitrev(regs[reg]);
}
void Device::writeR820TReg(uint8_t reg, uint8_t val) {
// Write register id then value
uint8_t cmd[2] = { reg, val };
writeI2C(R820T_I2C_ADDR, cmd, 2);
}
int Device::startADC() {
return libusb_control_transfer(dev, (2 << 5), CMD_ADC_START, 0, 0, NULL, 0, 1000);
}
int Device::stopADC() {
return libusb_control_transfer(dev, (2 << 5), CMD_ADC_STOP, 0, 0, NULL, 0, 1000);
}
void Device::worker() {
// Allocate sample buffer
uint8_t* buffer = new uint8_t[bufferSize];
int sampleCount = 0;
while (run) {
// Receive data with bulk transfer
int recvLen = 0;
int val = libusb_bulk_transfer(dev, LIBUSB_ENDPOINT_IN | 1, &buffer[sampleCount], bufferSize - sampleCount, &recvLen, 1000);
// If timed out, try again. Otherwise, if an error occur, stop the thread
if (val == LIBUSB_ERROR_TIMEOUT) {
continue;
}
else if (val) {
flog::error("USB Error: {}", val);
break;
}
// Increment sample count
if (recvLen) { sampleCount += recvLen; }
// If the buffer is full, call handler and reset sample count
if (sampleCount >= bufferSize) {
callback(buffer, sampleCount, ctx);
sampleCount = 0;
}
}
// Free buffer
delete[] buffer;
}
std::vector<DeviceInfo> list() {
// Init libusb if done yet
if (!ctx) {
libusb_init(&ctx);
libusb_set_debug(ctx, LIBUSB_LOG_LEVEL_WARNING);
}
// List devices
std::vector<DeviceInfo> devList;
libusb_device** devices;
int devCount = libusb_get_device_list(ctx, &devices);
for (int i = 0; i < devCount; i++) {
// Get device info
DeviceInfo devInfo;
devInfo.dev = devices[i];
libusb_device_descriptor desc;
libusb_get_device_descriptor(devInfo.dev, &desc);
// Check the VID/PID and give up if not the right ones
if (desc.idVendor != 0xCAFE || desc.idProduct != 0x4010) {
libusb_unref_device(devInfo.dev);
continue;
}
// Open devices
libusb_device_handle* openDev;
int err = libusb_open(devInfo.dev, &openDev);
if (err) {
libusb_unref_device(devInfo.dev);
continue;
}
// Get serial number
char serial[128];
libusb_get_string_descriptor_ascii(openDev, desc.iSerialNumber, (uint8_t*)serial, sizeof(serial));
devInfo.serialNumber = serial;
// TODO: The libusb device should be unreffed but would need to know when the list disappears
// Close device
libusb_close(openDev);
// Add to list
devList.push_back(devInfo);
}
// Return devices
return devList;
}
std::shared_ptr<Device> open(const DeviceInfo& dev) {
// Open device
libusb_device_handle* openDev;
int err = libusb_open(dev.dev, &openDev);
if (err) {
throw std::runtime_error("Failed to open device");
}
// Claim the bulk transfer interface
if (libusb_claim_interface(openDev, 0)) {
throw std::runtime_error("Failed to claim bulk interface");
}
// Create device
return std::make_shared<Device>(openDev);
}
}

53
source_modules/badgesdr_source/src/badgesdr.h Normal file
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@ -0,0 +1,53 @@
#pragma once
#include <string>
#include <vector>
#include <memory>
#include <thread>
#include <libusb.h>
#include "r820t.h"
namespace BadgeSDR {
struct DeviceInfo {
std::string serialNumber;
libusb_device* dev;
bool operator==(const DeviceInfo& b) const;
};
class Device {
public:
Device(libusb_device_handle* dev);
~Device();
void setFrequency(double freq);
void setLNAGain(int gain);
void setMixerGain(int gain);
void setVGAGain(int gain);
void start(void (*callback)(const uint8_t* samples, int count, void* ctx), void* ctx = NULL, int minBufferSize = 2500);
void stop();
private:
int getI2CStatus();
int readI2C(uint8_t addr, uint8_t* data, int len);
int writeI2C(uint8_t addr, const uint8_t* data, int len);
uint8_t readR820TReg(uint8_t reg);
void writeR820TReg(uint8_t reg, uint8_t val);
int startADC();
int stopADC();
void worker();
libusb_device_handle* dev;
std::thread workerThread;
bool run = false;
int bufferSize = 0; // Must be multiple of 64 for best performance
void* ctx = NULL;
void (*callback)(const uint8_t* samples, int count, void* ctx);
static void write_reg(uint8_t reg, uint8_t value, void* ctx);
static void read_reg(uint8_t* data, int len, void* ctx);
r820t_priv_t r820t;
};
std::vector<DeviceInfo> list();
std::shared_ptr<Device> open(const DeviceInfo& dev);
}

272
source_modules/badgesdr_source/src/main.cpp Normal file
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@ -0,0 +1,272 @@
#include <imgui.h>
#include <module.h>
#include <gui/gui.h>
#include <gui/smgui.h>
#include <signal_path/signal_path.h>
#include <core.h>
#include <utils/optionlist.h>
#include <dsp/channel/rx_vfo.h>
#include <dsp/correction/dc_blocker.h>
#include "badgesdr.h"
SDRPP_MOD_INFO{
/* Name: */ "badgesdr_source",
/* Description: */ "BadgeSDR Source Module",
/* Author: */ "Ryzerth",
/* Version: */ 0, 1, 0,
/* Max instances */ -1
};
#define CONCAT(a, b) ((std::string(a) + b).c_str())
class BadgeSDRSourceModule : public ModuleManager::Instance {
public:
BadgeSDRSourceModule(std::string name) {
this->name = name;
sampleRate = 250000.0;
// Initialize DSP
dcBlock.init(&input, 0.001);
ddc.init(&dcBlock.out, 500000, 250000, 250000, 125000);
handler.ctx = this;
handler.selectHandler = menuSelected;
handler.deselectHandler = menuDeselected;
handler.menuHandler = menuHandler;
handler.startHandler = start;
handler.stopHandler = stop;
handler.tuneHandler = tune;
handler.stream = &ddc.out;
// Refresh devices
refresh();
// Select first (TODO: Select from config)
select("");
sigpath::sourceManager.registerSource("BadgeSDR", &handler);
}
~BadgeSDRSourceModule() {
}
void postInit() {}
void enable() {
enabled = true;
}
void disable() {
enabled = false;
}
bool isEnabled() {
return enabled;
}
private:
void refresh() {
devices.clear();
auto list = BadgeSDR::list();
for (const auto& info : list) {
// Format device name
std::string devName = "BadgeSDR ";
devName += " [";
devName += info.serialNumber;
devName += ']';
// Save device
devices.define(info.serialNumber, devName, info);
}
}
void select(const std::string& serial) {
// If there are no devices, give up
if (devices.empty()) {
selectedSerial.clear();
return;
}
// If the serial was not found, select the first available serial
if (!devices.keyExists(serial)) {
select(devices.key(0));
return;
}
// Save serial number
selectedSerial = serial;
selectedDev = devices.value(devices.keyId(serial));
}
static void menuSelected(void* ctx) {
BadgeSDRSourceModule* _this = (BadgeSDRSourceModule*)ctx;
core::setInputSampleRate(_this->sampleRate);
flog::info("BadgeSDRSourceModule '{0}': Menu Select!", _this->name);
}
static void menuDeselected(void* ctx) {
BadgeSDRSourceModule* _this = (BadgeSDRSourceModule*)ctx;
flog::info("BadgeSDRSourceModule '{0}': Menu Deselect!", _this->name);
}
static void start(void* ctx) {
BadgeSDRSourceModule* _this = (BadgeSDRSourceModule*)ctx;
if (_this->running) { return; }
// Open the device
_this->openDev = BadgeSDR::open(_this->selectedDev);
// Configure the device
_this->openDev->setFrequency(_this->freq);
_this->openDev->setLNAGain(_this->lnaGain);
_this->openDev->setMixerGain(_this->mixerGain);
_this->openDev->setVGAGain(_this->vgaGain);
// Start DSP
_this->dcBlock.start();
_this->ddc.start();
// Start device
_this->openDev->start(callback, _this, 500000/200);
_this->running = true;
flog::info("BadgeSDRSourceModule '{0}': Start!", _this->name);
}
static void stop(void* ctx) {
BadgeSDRSourceModule* _this = (BadgeSDRSourceModule*)ctx;
if (!_this->running) { return; }
_this->running = false;
// Stop worker
_this->openDev->stop();
// Stop DSP
_this->dcBlock.stop();
_this->ddc.stop();
// Close device
_this->openDev.reset();
flog::info("BadgeSDRSourceModule '{0}': Stop!", _this->name);
}
static void tune(double freq, void* ctx) {
BadgeSDRSourceModule* _this = (BadgeSDRSourceModule*)ctx;
if (_this->running) {
_this->openDev->setFrequency(freq);
}
_this->freq = freq;
flog::info("BadgeSDRSourceModule '{0}': Tune: {1}!", _this->name, freq);
}
static void menuHandler(void* ctx) {
BadgeSDRSourceModule* _this = (BadgeSDRSourceModule*)ctx;
if (_this->running) { SmGui::BeginDisabled(); }
SmGui::FillWidth();
SmGui::ForceSync();
if (SmGui::Combo(CONCAT("##_badgesdr_dev_sel_", _this->name), &_this->devId, _this->devices.txt)) {
_this->select(_this->devices.key(_this->devId));
core::setInputSampleRate(_this->sampleRate);
// TODO: Save
}
SmGui::FillWidth();
SmGui::ForceSync();
if (SmGui::Button(CONCAT("Refresh##_badgesdr_refr_", _this->name))) {
_this->refresh();
_this->select(_this->selectedSerial);
core::setInputSampleRate(_this->sampleRate);
}
if (_this->running) { SmGui::EndDisabled(); }
SmGui::LeftLabel("LNA Gain");
SmGui::FillWidth();
if (SmGui::SliderInt(CONCAT("##_badgesdr_lna_gain_", _this->name), &_this->lnaGain, 0, 15)) {
if (_this->running) {
_this->openDev->setLNAGain(_this->lnaGain);
}
// TODO: Save
}
SmGui::LeftLabel("Mixer Gain");
SmGui::FillWidth();
if (SmGui::SliderInt(CONCAT("##_badgesdr_mixer_gain_", _this->name), &_this->mixerGain, 0, 15)) {
if (_this->running) {
_this->openDev->setMixerGain(_this->mixerGain);
}
// TODO: Save
}
SmGui::LeftLabel("VGA Gain");
SmGui::FillWidth();
if (SmGui::SliderInt(CONCAT("##_badgesdr_vga_gain_", _this->name), &_this->vgaGain, 0, 15)) {
if (_this->running) {
_this->openDev->setVGAGain(_this->vgaGain);
}
// TODO: Save
}
}
static void callback(const uint8_t* samples, int count, void* ctx) {
BadgeSDRSourceModule* _this = (BadgeSDRSourceModule*)ctx;
// Convert samples to float
dsp::complex_t* out = _this->input.writeBuf;
int min = 255, max = 0;
for (int i = 0; i < count; i++) {
if (samples[i] < min) { min = samples[i]; }
if (samples[i] > max) { max = samples[i]; }
out[i].re = ((float)samples[i] - 127.5f) * (1.0f/127.0f);
out[i].im = 1.0f;
}
// Send out samples
_this->input.swap(count);
flog::debug("Amplitudes: {} -> {}", min, max);
}
std::string name;
bool enabled = true;
double sampleRate;
SourceManager::SourceHandler handler;
bool running = false;
double freq;
OptionList<std::string, BadgeSDR::DeviceInfo> devices;
int devId = 0;
int lnaGain = 0;
int mixerGain = 0;
int vgaGain = 0;
std::string selectedSerial;
BadgeSDR::DeviceInfo selectedDev;
std::shared_ptr<BadgeSDR::Device> openDev;
dsp::stream<dsp::complex_t> input;
dsp::correction::DCBlocker<dsp::complex_t> dcBlock;
dsp::channel::RxVFO ddc;
};
MOD_EXPORT void _INIT_() {
// Nothing here
}
MOD_EXPORT ModuleManager::Instance* _CREATE_INSTANCE_(std::string name) {
return new BadgeSDRSourceModule(name);
}
MOD_EXPORT void _DELETE_INSTANCE_(void* instance) {
delete (BadgeSDRSourceModule*)instance;
}
MOD_EXPORT void _END_() {
// Nothing here
}

622
source_modules/badgesdr_source/src/r820t.cpp Normal file
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@ -0,0 +1,622 @@
/*
* Rafael Micro R820T driver for AIRSPY
*
* Copyright 2013 Youssef Touil <youssef@airspy.com>
* Copyright 2014-2016 Benjamin Vernoux <bvernoux@airspy.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 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/>.
*/
#include <stdio.h>
#include <stdint.h>
#include <string.h>
#include "r820t.h"
#include <thread>
static int r820t_read_cache_reg(r820t_priv_t *priv, int reg);
#define ARRAY_SIZE(arr) (sizeof(arr) / sizeof((arr)[0]))
/* Tuner frequency ranges */
struct r820t_freq_range
{
uint8_t open_d;
uint8_t rf_mux_ploy;
uint8_t tf_c;
};
#define R820T_READ_MAX_DATA 32
#define R820T_INIT_NB_REGS (32-5)
uint8_t r820t_read_data[R820T_READ_MAX_DATA]; /* Buffer for data read from I2C */
uint8_t r820t_state_standby = 1; /* 1=standby/power off 0=r820t initialized/power on */
/* Tuner frequency ranges
"Copyright (C) 2013 Mauro Carvalho Chehab"
https://stuff.mit.edu/afs/sipb/contrib/linux/drivers/media/tuners/r820t.c
part of freq_ranges()
*/
const struct r820t_freq_range freq_ranges[] =
{
{
/* 0 MHz */
/* .open_d = */ 0x08, /* low */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0xdf, /* R27[7:0] band2,band0 */
}, {
/* 50 MHz */
/* .open_d = */ 0x08, /* low */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0xbe, /* R27[7:0] band4,band1 */
}, {
/* 55 MHz */
/* .open_d = */ 0x08, /* low */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x8b, /* R27[7:0] band7,band4 */
}, {
/* 60 MHz */
/* .open_d = */ 0x08, /* low */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x7b, /* R27[7:0] band8,band4 */
}, {
/* 65 MHz */
/* .open_d = */ 0x08, /* low */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x69, /* R27[7:0] band9,band6 */
}, {
/* 70 MHz */
/* .open_d = */ 0x08, /* low */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x58, /* R27[7:0] band10,band7 */
}, {
/* 75 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x44, /* R27[7:0] band11,band11 */
}, {
/* 80 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x44, /* R27[7:0] band11,band11 */
}, {
/* 90 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x34, /* R27[7:0] band12,band11 */
}, {
/* 100 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x34, /* R27[7:0] band12,band11 */
}, {
/* 110 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x24, /* R27[7:0] band13,band11 */
}, {
/* 120 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x24, /* R27[7:0] band13,band11 */
}, {
/* 140 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x14, /* R27[7:0] band14,band11 */
}, {
/* 180 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x13, /* R27[7:0] band14,band12 */
}, {
/* 220 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x13, /* R27[7:0] band14,band12 */
}, {
/* 250 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x11, /* R27[7:0] highest,highest */
}, {
/* 280 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x02, /* R26[7:6]=0 (LPF) R26[1:0]=2 (low) */
/* .tf_c = */ 0x00, /* R27[7:0] highest,highest */
}, {
/* 310 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x41, /* R26[7:6]=1 (bypass) R26[1:0]=1 (middle) */
/* .tf_c = */ 0x00, /* R27[7:0] highest,highest */
}, {
/* 450 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x41, /* R26[7:6]=1 (bypass) R26[1:0]=1 (middle) */
/* .tf_c = */ 0x00, /* R27[7:0] highest,highest */
}, {
/* 588 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x40, /* R26[7:6]=1 (bypass) R26[1:0]=0 (highest) */
/* .tf_c = */ 0x00, /* R27[7:0] highest,highest */
}, {
/* 650 MHz */
/* .open_d = */ 0x00, /* high */
/* .rf_mux_ploy = */ 0x40, /* R26[7:6]=1 (bypass) R26[1:0]=0 (highest) */
/* .tf_c = */ 0x00, /* R27[7:0] highest,highest */
}
};
#define FREQ_TO_IDX_SIZE (600)
const uint8_t freq_to_idx[FREQ_TO_IDX_SIZE]=
{
/* 50 */ 1,/* 51 */ 1,/* 52 */ 1,/* 53 */ 1,/* 54 */ 1,
/* 55 */ 2,/* 56 */ 2,/* 57 */ 2,/* 58 */ 2,/* 59 */ 2,
/* 60 */ 3,/* 61 */ 3,/* 62 */ 3,/* 63 */ 3,/* 64 */ 3,
/* 65 */ 4,/* 66 */ 4,/* 67 */ 4,/* 68 */ 4,/* 69 */ 4,
/* 70 */ 5,/* 71 */ 5,/* 72 */ 5,/* 73 */ 5,/* 74 */ 5,
/* 75 */ 6,/* 76 */ 6,/* 77 */ 6,/* 78 */ 6,/* 79 */ 6,
/* 80 */ 7,/* 81 */ 7,/* 82 */ 7,/* 83 */ 7,/* 84 */ 7,/* 85 */ 7,/* 86 */ 7,/* 87 */ 7,/* 88 */ 7,/* 89 */ 7,
/* 90 */ 8,/* 91 */ 8,/* 92 */ 8,/* 93 */ 8,/* 94 */ 8,/* 95 */ 8,/* 96 */ 8,/* 97 */ 8,/* 98 */ 8,/* 99 */ 8,
/* 100 */ 9,/* 101 */ 9,/* 102 */ 9,/* 103 */ 9,/* 104 */ 9,/* 105 */ 9,/* 106 */ 9,/* 107 */ 9,/* 108 */ 9,/* 109 */ 9,
/* 110 */ 10,/* 111 */ 10,/* 112 */ 10,/* 113 */ 10,/* 114 */ 10,/* 115 */ 10,/* 116 */ 10,/* 117 */ 10,/* 118 */ 10,/* 119 */ 10,
/* 120 */ 11,/* 121 */ 11,/* 122 */ 11,/* 123 */ 11,/* 124 */ 11,/* 125 */ 11,/* 126 */ 11,/* 127 */ 11,/* 128 */ 11,/* 129 */ 11,
/* 130 */ 11,/* 131 */ 11,/* 132 */ 11,/* 133 */ 11,/* 134 */ 11,/* 135 */ 11,/* 136 */ 11,/* 137 */ 11,/* 138 */ 11,/* 139 */ 11,
/* 140 */ 12,/* 141 */ 12,/* 142 */ 12,/* 143 */ 12,/* 144 */ 12,/* 145 */ 12,/* 146 */ 12,/* 147 */ 12,/* 148 */ 12,/* 149 */ 12,
/* 150 */ 12,/* 151 */ 12,/* 152 */ 12,/* 153 */ 12,/* 154 */ 12,/* 155 */ 12,/* 156 */ 12,/* 157 */ 12,/* 158 */ 12,/* 159 */ 12,
/* 160 */ 12,/* 161 */ 12,/* 162 */ 12,/* 163 */ 12,/* 164 */ 12,/* 165 */ 12,/* 166 */ 12,/* 167 */ 12,/* 168 */ 12,/* 169 */ 12,
/* 170 */ 12,/* 171 */ 12,/* 172 */ 12,/* 173 */ 12,/* 174 */ 12,/* 175 */ 12,/* 176 */ 12,/* 177 */ 12,/* 178 */ 12,/* 179 */ 12,
/* 180 */ 13,/* 181 */ 13,/* 182 */ 13,/* 183 */ 13,/* 184 */ 13,/* 185 */ 13,/* 186 */ 13,/* 187 */ 13,/* 188 */ 13,/* 189 */ 13,
/* 190 */ 13,/* 191 */ 13,/* 192 */ 13,/* 193 */ 13,/* 194 */ 13,/* 195 */ 13,/* 196 */ 13,/* 197 */ 13,/* 198 */ 13,/* 199 */ 13,
/* 200 */ 13,/* 201 */ 13,/* 202 */ 13,/* 203 */ 13,/* 204 */ 13,/* 205 */ 13,/* 206 */ 13,/* 207 */ 13,/* 208 */ 13,/* 209 */ 13,
/* 210 */ 13,/* 211 */ 13,/* 212 */ 13,/* 213 */ 13,/* 214 */ 13,/* 215 */ 13,/* 216 */ 13,/* 217 */ 13,/* 218 */ 13,/* 219 */ 13,
/* 220 */ 14,/* 221 */ 14,/* 222 */ 14,/* 223 */ 14,/* 224 */ 14,/* 225 */ 14,/* 226 */ 14,/* 227 */ 14,/* 228 */ 14,/* 229 */ 14,
/* 230 */ 14,/* 231 */ 14,/* 232 */ 14,/* 233 */ 14,/* 234 */ 14,/* 235 */ 14,/* 236 */ 14,/* 237 */ 14,/* 238 */ 14,/* 239 */ 14,
/* 240 */ 14,/* 241 */ 14,/* 242 */ 14,/* 243 */ 14,/* 244 */ 14,/* 245 */ 14,/* 246 */ 14,/* 247 */ 14,/* 248 */ 14,/* 249 */ 14,
/* 250 */ 15,/* 251 */ 15,/* 252 */ 15,/* 253 */ 15,/* 254 */ 15,/* 255 */ 15,/* 256 */ 15,/* 257 */ 15,/* 258 */ 15,/* 259 */ 15,
/* 260 */ 15,/* 261 */ 15,/* 262 */ 15,/* 263 */ 15,/* 264 */ 15,/* 265 */ 15,/* 266 */ 15,/* 267 */ 15,/* 268 */ 15,/* 269 */ 15,
/* 270 */ 15,/* 271 */ 15,/* 272 */ 15,/* 273 */ 15,/* 274 */ 15,/* 275 */ 15,/* 276 */ 15,/* 277 */ 15,/* 278 */ 15,/* 279 */ 15,
/* 280 */ 16,/* 281 */ 16,/* 282 */ 16,/* 283 */ 16,/* 284 */ 16,/* 285 */ 16,/* 286 */ 16,/* 287 */ 16,/* 288 */ 16,/* 289 */ 16,
/* 290 */ 16,/* 291 */ 16,/* 292 */ 16,/* 293 */ 16,/* 294 */ 16,/* 295 */ 16,/* 296 */ 16,/* 297 */ 16,/* 298 */ 16,/* 299 */ 16,
/* 300 */ 16,/* 301 */ 16,/* 302 */ 16,/* 303 */ 16,/* 304 */ 16,/* 305 */ 16,/* 306 */ 16,/* 307 */ 16,/* 308 */ 16,/* 309 */ 16,
/* 310 */ 17,/* 311 */ 17,/* 312 */ 17,/* 313 */ 17,/* 314 */ 17,/* 315 */ 17,/* 316 */ 17,/* 317 */ 17,/* 318 */ 17,/* 319 */ 17,
/* 320 */ 17,/* 321 */ 17,/* 322 */ 17,/* 323 */ 17,/* 324 */ 17,/* 325 */ 17,/* 326 */ 17,/* 327 */ 17,/* 328 */ 17,/* 329 */ 17,
/* 330 */ 17,/* 331 */ 17,/* 332 */ 17,/* 333 */ 17,/* 334 */ 17,/* 335 */ 17,/* 336 */ 17,/* 337 */ 17,/* 338 */ 17,/* 339 */ 17,
/* 340 */ 17,/* 341 */ 17,/* 342 */ 17,/* 343 */ 17,/* 344 */ 17,/* 345 */ 17,/* 346 */ 17,/* 347 */ 17,/* 348 */ 17,/* 349 */ 17,
/* 350 */ 17,/* 351 */ 17,/* 352 */ 17,/* 353 */ 17,/* 354 */ 17,/* 355 */ 17,/* 356 */ 17,/* 357 */ 17,/* 358 */ 17,/* 359 */ 17,
/* 360 */ 17,/* 361 */ 17,/* 362 */ 17,/* 363 */ 17,/* 364 */ 17,/* 365 */ 17,/* 366 */ 17,/* 367 */ 17,/* 368 */ 17,/* 369 */ 17,
/* 370 */ 17,/* 371 */ 17,/* 372 */ 17,/* 373 */ 17,/* 374 */ 17,/* 375 */ 17,/* 376 */ 17,/* 377 */ 17,/* 378 */ 17,/* 379 */ 17,
/* 380 */ 17,/* 381 */ 17,/* 382 */ 17,/* 383 */ 17,/* 384 */ 17,/* 385 */ 17,/* 386 */ 17,/* 387 */ 17,/* 388 */ 17,/* 389 */ 17,
/* 390 */ 17,/* 391 */ 17,/* 392 */ 17,/* 393 */ 17,/* 394 */ 17,/* 395 */ 17,/* 396 */ 17,/* 397 */ 17,/* 398 */ 17,/* 399 */ 17,
/* 400 */ 17,/* 401 */ 17,/* 402 */ 17,/* 403 */ 17,/* 404 */ 17,/* 405 */ 17,/* 406 */ 17,/* 407 */ 17,/* 408 */ 17,/* 409 */ 17,
/* 410 */ 17,/* 411 */ 17,/* 412 */ 17,/* 413 */ 17,/* 414 */ 17,/* 415 */ 17,/* 416 */ 17,/* 417 */ 17,/* 418 */ 17,/* 419 */ 17,
/* 420 */ 17,/* 421 */ 17,/* 422 */ 17,/* 423 */ 17,/* 424 */ 17,/* 425 */ 17,/* 426 */ 17,/* 427 */ 17,/* 428 */ 17,/* 429 */ 17,
/* 430 */ 17,/* 431 */ 17,/* 432 */ 17,/* 433 */ 17,/* 434 */ 17,/* 435 */ 17,/* 436 */ 17,/* 437 */ 17,/* 438 */ 17,/* 439 */ 17,
/* 440 */ 17,/* 441 */ 17,/* 442 */ 17,/* 443 */ 17,/* 444 */ 17,/* 445 */ 17,/* 446 */ 17,/* 447 */ 17,/* 448 */ 17,/* 449 */ 17,
/* 450 */ 18,/* 451 */ 18,/* 452 */ 18,/* 453 */ 18,/* 454 */ 18,/* 455 */ 18,/* 456 */ 18,/* 457 */ 18,/* 458 */ 18,/* 459 */ 18,
/* 460 */ 18,/* 461 */ 18,/* 462 */ 18,/* 463 */ 18,/* 464 */ 18,/* 465 */ 18,/* 466 */ 18,/* 467 */ 18,/* 468 */ 18,/* 469 */ 18,
/* 470 */ 18,/* 471 */ 18,/* 472 */ 18,/* 473 */ 18,/* 474 */ 18,/* 475 */ 18,/* 476 */ 18,/* 477 */ 18,/* 478 */ 18,/* 479 */ 18,
/* 480 */ 18,/* 481 */ 18,/* 482 */ 18,/* 483 */ 18,/* 484 */ 18,/* 485 */ 18,/* 486 */ 18,/* 487 */ 18,/* 488 */ 18,/* 489 */ 18,
/* 490 */ 18,/* 491 */ 18,/* 492 */ 18,/* 493 */ 18,/* 494 */ 18,/* 495 */ 18,/* 496 */ 18,/* 497 */ 18,/* 498 */ 18,/* 499 */ 18,
/* 500 */ 18,/* 501 */ 18,/* 502 */ 18,/* 503 */ 18,/* 504 */ 18,/* 505 */ 18,/* 506 */ 18,/* 507 */ 18,/* 508 */ 18,/* 509 */ 18,
/* 510 */ 18,/* 511 */ 18,/* 512 */ 18,/* 513 */ 18,/* 514 */ 18,/* 515 */ 18,/* 516 */ 18,/* 517 */ 18,/* 518 */ 18,/* 519 */ 18,
/* 520 */ 18,/* 521 */ 18,/* 522 */ 18,/* 523 */ 18,/* 524 */ 18,/* 525 */ 18,/* 526 */ 18,/* 527 */ 18,/* 528 */ 18,/* 529 */ 18,
/* 530 */ 18,/* 531 */ 18,/* 532 */ 18,/* 533 */ 18,/* 534 */ 18,/* 535 */ 18,/* 536 */ 18,/* 537 */ 18,/* 538 */ 18,/* 539 */ 18,
/* 540 */ 18,/* 541 */ 18,/* 542 */ 18,/* 543 */ 18,/* 544 */ 18,/* 545 */ 18,/* 546 */ 18,/* 547 */ 18,/* 548 */ 18,/* 549 */ 18,
/* 550 */ 18,/* 551 */ 18,/* 552 */ 18,/* 553 */ 18,/* 554 */ 18,/* 555 */ 18,/* 556 */ 18,/* 557 */ 18,/* 558 */ 18,/* 559 */ 18,
/* 560 */ 18,/* 561 */ 18,/* 562 */ 18,/* 563 */ 18,/* 564 */ 18,/* 565 */ 18,/* 566 */ 18,/* 567 */ 18,/* 568 */ 18,/* 569 */ 18,
/* 570 */ 18,/* 571 */ 18,/* 572 */ 18,/* 573 */ 18,/* 574 */ 18,/* 575 */ 18,/* 576 */ 18,/* 577 */ 18,/* 578 */ 18,/* 579 */ 18,
/* 580 */ 18,/* 581 */ 18,/* 582 */ 18,/* 583 */ 18,/* 584 */ 18,/* 585 */ 18,/* 586 */ 18,/* 587 */ 18,
/* 588 */ 19,/* 589 */ 19,/* 590 */ 19,/* 591 */ 19,/* 592 */ 19,/* 593 */ 19,/* 594 */ 19,/* 595 */ 19,/* 596 */ 19,/* 597 */ 19,
/* 598 */ 19,/* 599 */ 19,/* 600 */ 19,/* 601 */ 19,/* 602 */ 19,/* 603 */ 19,/* 604 */ 19,/* 605 */ 19,/* 606 */ 19,/* 607 */ 19,
/* 608 */ 19,/* 609 */ 19,/* 610 */ 19,/* 611 */ 19,/* 612 */ 19,/* 613 */ 19,/* 614 */ 19,/* 615 */ 19,/* 616 */ 19,/* 617 */ 19,
/* 618 */ 19,/* 619 */ 19,/* 620 */ 19,/* 621 */ 19,/* 622 */ 19,/* 623 */ 19,/* 624 */ 19,/* 625 */ 19,/* 626 */ 19,/* 627 */ 19,
/* 628 */ 19,/* 629 */ 19,/* 630 */ 19,/* 631 */ 19,/* 632 */ 19,/* 633 */ 19,/* 634 */ 19,/* 635 */ 19,/* 636 */ 19,/* 637 */ 19,
/* 638 */ 19,/* 639 */ 19,/* 640 */ 19,/* 641 */ 19,/* 642 */ 19,/* 643 */ 19,/* 644 */ 19,/* 645 */ 19,/* 646 */ 19,/* 647 */ 19,
/* 648 */ 19,/* 649 */ 19
};
#define FREQ_50MHZ (50)
#define FREQ_TO_IDX_0_TO_49MHZ (0)
#define FREQ_TO_IDX_650_TO_1800MHZ (20)
int r820t_freq_get_idx(uint32_t freq_mhz)
{
uint32_t freq_mhz_fix;
if(freq_mhz < FREQ_50MHZ)
{
/* Frequency Less than 50MHz */
return FREQ_TO_IDX_0_TO_49MHZ;
}else
{
/* Frequency Between 50 to 649MHz use table */
/* Fix the frequency for the table */
freq_mhz_fix = freq_mhz - FREQ_50MHZ;
if(freq_mhz_fix < FREQ_TO_IDX_SIZE)
{
return freq_to_idx[freq_mhz_fix];
}else
{
/* Frequency Between 650 to 1800MHz */
return FREQ_TO_IDX_650_TO_1800MHZ;
}
}
}
static inline bool r820t_is_power_enabled(void)
{
return true;
}
/*
* Write regs 5 to 32 (R820T_INIT_NB_REGS values) using data parameter and write last reg to 0
*/
void airspy_r820t_write_init(r820t_priv_t *priv, const uint8_t* data)
{
for (int i = 0; i < R820T_INIT_NB_REGS; i++) {
priv->write_reg(i+REG_SHADOW_START, data[i], priv->ctx);
}
priv->write_reg(0x1F, 0, priv->ctx);
}
/*
* Read from one or more contiguous registers. data[0] should be the first
* register number, one or more values follow.
*/
const uint8_t lut[16] = { 0x0, 0x8, 0x4, 0xc, 0x2, 0xa, 0x6, 0xe,
0x1, 0x9, 0x5, 0xd, 0x3, 0xb, 0x7, 0xf };
static uint8_t r82xx_bitrev(uint8_t byte)
{
return (lut[byte & 0xf] << 4) | lut[byte >> 4];
}
static int r820t_write_reg(r820t_priv_t *priv, uint8_t reg, uint8_t val)
{
if (r820t_read_cache_reg(priv, reg) == val)
return 0;
priv->write_reg(reg, val, priv->ctx);
priv->regs[reg - REG_SHADOW_START] = val;
return 0;
}
static int r820t_read_cache_reg(r820t_priv_t *priv, int reg)
{
reg -= REG_SHADOW_START;
if (reg >= 0 && reg < NUM_REGS)
return priv->regs[reg];
else
return -1;
}
static int r820t_write_reg_mask(r820t_priv_t *priv, uint8_t reg, uint8_t val, uint8_t bit_mask)
{
int rc = r820t_read_cache_reg(priv, reg);
if (rc < 0)
return rc;
val = (rc & ~bit_mask) | (val & bit_mask);
return r820t_write_reg(priv, reg, val);
}
static int r820t_read(r820t_priv_t *priv, uint8_t *val, int len)
{
/* reg not used and assumed to be always 0 because start from reg0 to reg0+len */
priv->read_reg(val, len, priv->ctx);
return 0;
}
/*
* r820t tuning logic
*/
#ifdef OPTIM_SET_MUX
int r820t_set_mux_freq_idx = -1; /* Default set to invalid value in order to force set_mux */
#endif
/*
"inspired by Mauro Carvalho Chehab set_mux technique"
https://stuff.mit.edu/afs/sipb/contrib/linux/drivers/media/tuners/r820t.c
part of r820t_set_mux() (set tracking filter)
*/
static int r820t_set_tf(r820t_priv_t *priv, uint32_t freq)
{
const struct r820t_freq_range *range;
int freq_idx;
int rc = 0;
/* Get the proper frequency range in MHz instead of Hz */
/* Fast divide freq by 1000000 */
freq = (uint32_t)((uint64_t)freq * 4295 >> 32);
freq_idx = r820t_freq_get_idx(freq);
range = &freq_ranges[freq_idx];
/* Only reconfigure mux freq if modified vs previous range */
#ifdef OPTIM_SET_MUX
if(freq_idx != r820t_set_mux_freq_idx)
{
#endif
/* Open Drain */
rc = r820t_write_reg_mask(priv, 0x17, range->open_d, 0x08);
if (rc < 0)
return rc;
/* RF_MUX,Polymux */
rc = r820t_write_reg_mask(priv, 0x1a, range->rf_mux_ploy, 0xc3);
if (rc < 0)
return rc;
/* TF BAND */
rc = r820t_write_reg(priv, 0x1b, range->tf_c);
if (rc < 0)
return rc;
/* XTAL CAP & Drive */
rc = r820t_write_reg_mask(priv, 0x10, 0x08, 0x0b);
if (rc < 0)
return rc;
rc = r820t_write_reg_mask(priv, 0x08, 0x00, 0x3f);
if (rc < 0)
return rc;
rc = r820t_write_reg_mask(priv, 0x09, 0x00, 0x3f);
#ifdef OPTIM_SET_MUX
}
r820t_set_mux_freq_idx = freq_idx;
#endif
return rc;
}
int r820t_set_pll(r820t_priv_t *priv, uint32_t freq)
{
const uint32_t vco_min = 1770000000;
const uint32_t vco_max = 3900000000;
uint32_t ref = priv->xtal_freq >> 1;
int rc;
uint32_t div_num;
uint32_t vco;
uint32_t rem;
uint32_t mask;
uint16_t sdm;
uint8_t nint;
uint8_t ni;
uint8_t si;
uint8_t div_found;
/* Find a suitable divider */
div_found = 0;
for (div_num = 0; div_num <= 5; div_num++)
{
vco = freq << (div_num + 1);
if (vco >= vco_min && vco <= vco_max)
{
div_found = 1;
break;
}
}
if (!div_found)
return -1;
vco += ref >> 16;
ref <<= 8;
mask = 1 << 23;
rem = 0;
while (mask > 0 && vco > 0)
{
if (vco >= ref)
{
rem |= mask;
vco -= ref;
}
ref >>= 1;
mask >>= 1;
}
nint = rem >> 16;
sdm = rem & 0xffff;
nint -= 13;
ni = nint >> 2;
si = nint & 3;
/* Set the phase splitter */
rc = r820t_write_reg_mask(priv, 0x10, (uint8_t) (div_num << 5), 0xe0);
if(rc < 0)
return rc;
/* Set the integer part of the PLL */
rc = r820t_write_reg(priv, 0x14, (uint8_t) (ni + (si << 6)));
if(rc < 0)
return rc;
if (sdm == 0)
{
/* Disable SDM */
rc = r820t_write_reg_mask(priv, 0x12, 0x08, 0x08);
if(rc < 0)
return rc;
}
else
{
/* Write SDM */
rc = r820t_write_reg(priv, 0x15, (uint8_t)(sdm & 0xff));
if (rc < 0)
return rc;
rc = r820t_write_reg(priv, 0x16, (uint8_t)(sdm >> 8));
if (rc < 0)
return rc;
/* Enable SDM */
rc = r820t_write_reg_mask(priv, 0x12, 0x00, 0x08);
if (rc < 0)
return rc;
}
return rc;
}
int r820t_set_freq(r820t_priv_t *priv, uint32_t freq)
{
int rc;
uint32_t lo_freq = freq + priv->if_freq;
rc = r820t_set_tf(priv, freq);
if (rc < 0)
return rc;
rc = r820t_set_pll(priv, lo_freq);
if (rc < 0)
return rc;
priv->freq = freq;
return 0;
}
int r820t_set_lna_gain(r820t_priv_t *priv, uint8_t gain_index)
{
return r820t_write_reg_mask(priv, 0x05, gain_index, 0x0f);
}
int r820t_set_mixer_gain(r820t_priv_t *priv, uint8_t gain_index)
{
return r820t_write_reg_mask(priv, 0x07, gain_index, 0x0f);
}
int r820t_set_vga_gain(r820t_priv_t *priv, uint8_t gain_index)
{
return r820t_write_reg_mask(priv, 0x0c, gain_index, 0x0f);
}
int r820t_set_lna_agc(r820t_priv_t *priv, uint8_t value)
{
value = value != 0 ? 0x00 : 0x10;
return r820t_write_reg_mask(priv, 0x05, value, 0x10);
}
int r820t_set_mixer_agc(r820t_priv_t *priv, uint8_t value)
{
value = value != 0 ? 0x10 : 0x00;
return r820t_write_reg_mask(priv, 0x07, value, 0x10);
}
/*
"inspired by Mauro Carvalho Chehab calibration technique"
https://stuff.mit.edu/afs/sipb/contrib/linux/drivers/media/tuners/r820t.c
part of r820t_set_tv_standard()
*/
int r820t_calibrate(r820t_priv_t *priv)
{
int i, rc, cal_code;
uint8_t data[5];
for (i = 0; i < 5; i++)
{
/* Set filt_cap */
rc = r820t_write_reg_mask(priv, 0x0b, 0x08, 0x60);
if (rc < 0)
return rc;
/* set cali clk =on */
rc = r820t_write_reg_mask(priv, 0x0f, 0x04, 0x04);
if (rc < 0)
return rc;
/* X'tal cap 0pF for PLL */
rc = r820t_write_reg_mask(priv, 0x10, 0x00, 0x03);
if (rc < 0)
return rc;
rc = r820t_set_pll(priv, CALIBRATION_LO * 1000);
if (rc < 0)
return rc;
/* Start Trigger */
rc = r820t_write_reg_mask(priv, 0x0b, 0x10, 0x10);
if (rc < 0)
return rc;
std::this_thread::sleep_for(std::chrono::milliseconds(10));
/* Stop Trigger */
rc = r820t_write_reg_mask(priv, 0x0b, 0x00, 0x10);
if (rc < 0)
return rc;
/* set cali clk =off */
rc = r820t_write_reg_mask(priv, 0x0f, 0x00, 0x04);
if (rc < 0)
return rc;
/* Check if calibration worked */
rc = r820t_read(priv, data, sizeof(data));
if (rc < 0)
return rc;
cal_code = data[4] & 0x0f;
if (cal_code && cal_code != 0x0f)
return 0;
}
return -1;
}
int r820t_init(r820t_priv_t *priv, const uint32_t if_freq, r820t_write_reg_f write_reg, r820t_read_f read_reg, void* ctx)
{
int rc;
uint32_t saved_freq;
r820t_state_standby = 0;
priv->if_freq = if_freq;
priv->write_reg = write_reg;
priv->read_reg = read_reg;
priv->ctx = ctx;
/* Initialize registers */
airspy_r820t_write_init(priv, priv->regs);
r820t_set_freq(priv, priv->freq);
/* Calibrate the IF filter */
saved_freq = priv->freq;
rc = r820t_calibrate(priv);
priv->freq = saved_freq;
if (rc < 0)
{
saved_freq = priv->freq;
r820t_calibrate(priv);
priv->freq = saved_freq;
}
/* Restore freq as it has been modified by r820t_calibrate() */
rc = r820t_set_freq(priv, priv->freq);
return rc;
}
void r820t_set_if_bandwidth(r820t_priv_t *priv, uint8_t bw)
{
const uint8_t modes[] = { 0xE0, 0x80, 0x60, 0x00 };
const uint8_t opt[] = { 15, 14, 13, 12, 11, 10, 9, 8, 7, 6, 5, 4, 3, 2, 1, 0 };
uint8_t a = 0xB0 | opt[bw & 0x0F];
uint8_t b = 0x0F | modes[bw >> 4];
r820t_write_reg(priv, 0x0A, a);
r820t_write_reg(priv, 0x0B, b);
}

58
source_modules/badgesdr_source/src/r820t.h Normal file
View File

@ -0,0 +1,58 @@
/*
* Copyright 2013-2016 Benjamin Vernoux <bvernoux@airspy.com>
*
* This file is part of AirSpy.
*
* 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, 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; see the file COPYING. If not, write to
* the Free Software Foundation, Inc., 51 Franklin Street,
* Boston, MA 02110-1301, USA.
*/
#pragma once
#include <stdint.h>
#define REG_SHADOW_START 5
#define NUM_REGS 30
/* R820T Clock */
#define CALIBRATION_LO 88000
typedef void (*r820t_write_reg_f)(uint8_t reg, uint8_t value, void* ctx);
typedef void (*r820t_read_f)(uint8_t* data, int len, void* ctx);
typedef struct
{
uint32_t xtal_freq; /* XTAL_FREQ_HZ */
uint32_t freq;
uint32_t if_freq;
uint8_t regs[NUM_REGS];
uint16_t padding;
r820t_write_reg_f write_reg;
r820t_read_f read_reg;
void* ctx;
} r820t_priv_t;
void airspy_r820t_write_single(r820t_priv_t *priv, uint8_t reg, uint8_t val);
uint8_t airspy_r820t_read_single(r820t_priv_t *priv, uint8_t reg);
int r820t_init(r820t_priv_t *priv, const uint32_t if_freq, r820t_write_reg_f write_reg, r820t_read_f read_reg, void* ctx);
int r820t_set_freq(r820t_priv_t *priv, uint32_t freq);
int r820t_set_lna_gain(r820t_priv_t *priv, uint8_t gain_index);
int r820t_set_mixer_gain(r820t_priv_t *priv, uint8_t gain_index);
int r820t_set_vga_gain(r820t_priv_t *priv, uint8_t gain_index);
int r820t_set_lna_agc(r820t_priv_t *priv, uint8_t value);
int r820t_set_mixer_agc(r820t_priv_t *priv, uint8_t value);
void r820t_set_if_bandwidth(r820t_priv_t *priv, uint8_t bw);

18
source_modules/spectran_source/src/main.cpp
View File

@ -33,10 +33,13 @@ public:
SpectranSourceModule(std::string name) {
this->name = name;
if (AARTSAAPI_Init(AARTSAAPI_MEMORY_MEDIUM) != AARTSAAPI_OK) {
AARTSAAPI_Result res;
if ((res = AARTSAAPI_Init(AARTSAAPI_MEMORY_MEDIUM)) != AARTSAAPI_OK) {
flog::error("Failed to initialize the RTSAAPI: {}", (uint32_t)res);
return;
}
if (AARTSAAPI_Open(&api) != AARTSAAPI_OK) {
if ((res = AARTSAAPI_Open(&api)) != AARTSAAPI_OK) {
flog::error("Failed to open the RTSAAPI: {}", (uint32_t)res);
return;
}
@ -452,13 +455,16 @@ private:
void updateRef() {
// Get and update bounds
AARTSAAPI_Config config;
AARTSAAPI_ConfigInfo refInfo;
AARTSAAPI_ConfigFind(&dev, &croot, &config, L"main/reflevel");
AARTSAAPI_ConfigGetInfo(&dev, &config, &refInfo);
AARTSAAPI_Config config = {};
AARTSAAPI_ConfigInfo refInfo = {};
auto res = AARTSAAPI_ConfigFind(&dev, &croot, &config, L"main/reflevel");
flog::debug("Res A: {}", res);
res = AARTSAAPI_ConfigGetInfo(&dev, &config, &refInfo);
flog::debug("Res B: {}", res);
minRef = refInfo.minValue;
maxRef = refInfo.maxValue;
refStep = refInfo.stepValue;
flog::debug("Gain: {} -> {}", refInfo.minValue, refInfo.maxValue);
refLevel = std::clamp<float>(refLevel, minRef, maxRef);
// Apply new ref level