112 lines
3.1 KiB
C
112 lines
3.1 KiB
C
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/* -*- mode: c; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4; coding: utf-8 -*- */
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/************************************************************************************
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** **
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** UHSDR **
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** a powerful firmware for STM32 based SDR transceivers **
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** **
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**---------------------------------------------------------------------------------**
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** **
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** File name: **
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** Description: **
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** Last Modified: **
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** Licence: GNU GPLv3 **
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************************************************************************************/
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// Common
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#include "osc_interface.h"
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#include "uhsdr_board.h"
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#include "osc_si570.h"
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#include "osc_si5351a.h"
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#include "soft_tcxo.h"
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// -------------------------------------------------------------------------------------
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// Local Oscillator
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// ------------------
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static void OscDummy_Init(void);
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const OscillatorInterface_t* osc;
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static bool OscDummy_IsPresent(void)
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{
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return false;
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}
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static void OscDummy_SetPPM(float32_t ppm)
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{
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}
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static Oscillator_ResultCodes_t OscDummy_PrepareNextFrequency(ulong freq, int temp_factor)
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{
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return OSC_OK;
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}
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static Oscillator_ResultCodes_t OscDummy_ChangeToNextFrequency(void)
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{
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return OSC_OK;
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}
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static bool OscDummy_IsNextStepLarge(void)
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{
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return false;
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}
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/**
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* @brief Checks if all oscillator resources are available for switching frequency
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* This function must be called before changing the oscillator in interrupts
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* otherwise deadlocks may happen
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* @return true if it is safe to call oscillator functions in an interrupt
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*/
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static bool OscDummy_ReadyForIrqCall(void)
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{
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return true;
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}
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static uint32_t OscDummy_getMinFrequency(void)
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{
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return 1; // 1 Hz
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}
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static uint32_t OscDummy_getMaxFrequency(void)
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{
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return UINT32_MAX-1;
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}
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const OscillatorInterface_t osc_dummy =
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{
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.init = OscDummy_Init,
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.isPresent = OscDummy_IsPresent,
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.setPPM = OscDummy_SetPPM,
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.prepareNextFrequency = OscDummy_PrepareNextFrequency,
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.changeToNextFrequency = OscDummy_ChangeToNextFrequency,
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.isNextStepLarge = OscDummy_IsNextStepLarge,
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.readyForIrqCall = OscDummy_ReadyForIrqCall,
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.name = "Dummy",
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.type = OSC_DUMMY,
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.getMinFrequency = OscDummy_getMinFrequency,
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.getMaxFrequency = OscDummy_getMaxFrequency,
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};
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static void OscDummy_Init()
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{
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osc = &osc_dummy;
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}
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void Osc_Init()
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{
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#ifdef USE_OSC_SI5351A
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if (osc == NULL)
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{
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Si5351a_Init();
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}
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#endif
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#ifdef USE_OSC_SI570
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if (osc == NULL)
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{
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Si570_Init();
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}
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#endif
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if (osc == NULL)
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{
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OscDummy_Init();
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}
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SoftTcxo_Init();
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}
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