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Use PPB correction to adjust clock generator XTAL PLLA frequency.

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Addresses issue #40.
This commit is contained in:
Jared Boone 2015-08-24 12:10:39 -07:00
parent fe7dcdc613
commit 8f326e2d8e
3 changed files with 4 additions and 5 deletions
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2
firmware/application/portapack.cpp
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@ -21,6 +21,7 @@
#include "portapack.hpp" #include "portapack.hpp"
#include "portapack_hal.hpp" #include "portapack_hal.hpp"
#include "portapack_persistent_memory.hpp"
#include "hackrf_hal.hpp" #include "hackrf_hal.hpp"
#include "hackrf_gpio.hpp" #include "hackrf_gpio.hpp"
@ -127,6 +128,7 @@ void init() {
led_tx.setup(); led_tx.setup();
clock_manager.init(); clock_manager.init();
clock_manager.set_reference_ppb(persistent_memory::correction_ppb());
clock_manager.run_at_full_speed(); clock_manager.run_at_full_speed();
clock_manager.start_audio_pll(); clock_manager.start_audio_pll();

5
firmware/application/radio.cpp
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@ -37,7 +37,6 @@
using namespace hackrf::one; using namespace hackrf::one;
#include "portapack.hpp" #include "portapack.hpp"
#include "portapack_persistent_memory.hpp"
namespace radio { namespace radio {
@ -118,9 +117,7 @@ void set_direction(const rf::Direction new_direction) {
} }
bool set_tuning_frequency(const rf::Frequency frequency) { bool set_tuning_frequency(const rf::Frequency frequency) {
const int32_t frequency_correction = frequency * portapack::persistent_memory::correction_ppb() / 1000000000; const auto tuning_config = tuning::config::create(frequency);
rf::Frequency corrected_frequency = frequency + frequency_correction;
const auto tuning_config = tuning::config::create(corrected_frequency);
if( tuning_config.is_valid() ) { if( tuning_config.is_valid() ) {
first_if.disable(); first_if.disable();

2
firmware/application/receiver_model.cpp
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@ -49,7 +49,7 @@ int32_t ReceiverModel::reference_ppm_correction() const {
void ReceiverModel::set_reference_ppm_correction(int32_t v) { void ReceiverModel::set_reference_ppm_correction(int32_t v) {
persistent_memory::set_correction_ppb(v * 1000); persistent_memory::set_correction_ppb(v * 1000);
update_tuning_frequency(); clock_manager.set_reference_ppb(v * 1000);
} }
bool ReceiverModel::rf_amp() const { bool ReceiverModel::rf_amp() const {