Diff: libs/spirit1/SPIRIT1_Library/Src/SPIRIT_Management.c

Revision:

0:4fb29d9ee571

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/libs/spirit1/SPIRIT1_Library/Src/SPIRIT_Management.c	Thu Oct 13 15:41:39 2016 +0200
@@ -0,0 +1,364 @@
+/**
+  ******************************************************************************
+  * @file    SPIRIT_Management.c
+  * @author  VMA division - AMS
+  * @version 3.2.2
+  * @date    08-July-2015
+  * @brief   The management layer for SPIRIT1 library.
+  * @details
+  *
+  * @attention
+  *
+  * <h2><center>&copy; COPYRIGHT(c) 2015 STMicroelectronics</center></h2>
+  *
+  * Redistribution and use in source and binary forms, with or without modification,
+  * are permitted provided that the following conditions are met:
+  *   1. Redistributions of source code must retain the above copyright notice,
+  *      this list of conditions and the following disclaimer.
+  *   2. Redistributions in binary form must reproduce the above copyright notice,
+  *      this list of conditions and the following disclaimer in the documentation
+  *      and/or other materials provided with the distribution.
+  *   3. Neither the name of STMicroelectronics nor the names of its contributors
+  *      may be used to endorse or promote products derived from this software
+  *      without specific prior written permission.
+  *
+  * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
+  * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
+  * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE
+  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
+  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
+  * SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+  * CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY,
+  * OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE
+  * OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+  *
+  ******************************************************************************
+  */
+
+/* Includes ------------------------------------------------------------------*/
+#include "SPIRIT_Management.h"
+
+/**
+* @addtogroup SPIRIT_Libraries
+* @{
+*/
+
+
+/**
+* @defgroup SPIRIT_MANAGEMENT              SPIRIT Management
+* @{
+*/
+
+/**
+* @brief  BS value to write in the SYNT0 register according to the selected band
+*/
+static const uint8_t s_vectcBandRegValue[4]={SYNT0_BS_6, SYNT0_BS_12, SYNT0_BS_16, SYNT0_BS_32};
+
+#define COMMUNICATION_STATE_TX          0
+#define COMMUNICATION_STATE_RX          1
+#define COMMUNICATION_STATE_NONE        2
+
+static uint32_t s_nDesiredFrequency;
+
+static volatile uint8_t s_cCommunicationState = COMMUNICATION_STATE_NONE;
+
+
+/**
+* @brief  Factor is: B/2 used in the formula for SYNTH word calculation
+*/
+static const uint8_t s_vectcBHalfFactor[4]={(HIGH_BAND_FACTOR/2), (MIDDLE_BAND_FACTOR/2), (LOW_BAND_FACTOR/2), (VERY_LOW_BAND_FACTOR/2)};
+
+
+/**
+* @defgroup SPIRIT_MANAGEMENT_FUNCTIONS    SPIRIT Management Functions
+* @{
+*/
+
+
+/**
+* @defgroup WORKAROUND_FUNCTIONS              SPIRIT Management Workaround Functions
+* @{
+*/
+
+/**
+* @brief  Private SpiritRadioSetFrequencyBase function only used in SpiritManagementWaVcoCalibration.
+* @param  lFBase the base carrier frequency expressed in Hz as unsigned word.
+* @retval None.
+*/
+void SpiritManagementSetFrequencyBase(uint32_t lFBase)
+{
+  uint32_t synthWord, Fc;
+  uint8_t band = 0, anaRadioRegArray[4], wcp;
+  
+  /* Check the parameter */
+  s_assert_param(IS_FREQUENCY_BAND(lFBase));
+  
+  /* Search the operating band */
+  if(IS_FREQUENCY_BAND_HIGH(lFBase))
+  {
+    band = HIGH_BAND;
+  }
+  else if(IS_FREQUENCY_BAND_MIDDLE(lFBase))
+  {
+    band = MIDDLE_BAND;
+  }
+  else if(IS_FREQUENCY_BAND_LOW(lFBase))
+  {
+    band = LOW_BAND;
+  }
+  else if(IS_FREQUENCY_BAND_VERY_LOW(lFBase))
+  {
+    band = VERY_LOW_BAND;
+  }
+  
+  int32_t FOffset  = SpiritRadioGetFrequencyOffset();
+  uint32_t lChannelSpace  = SpiritRadioGetChannelSpace();
+  uint8_t cChannelNum = SpiritRadioGetChannel();
+  
+  /* Calculates the channel center frequency */
+  Fc = lFBase + FOffset + lChannelSpace*cChannelNum;
+  
+  /* Reads the reference divider */
+  uint8_t cRefDiv = (uint8_t)SpiritRadioGetRefDiv()+1;
+  
+  switch(band)
+  {
+  case VERY_LOW_BAND:
+    if(Fc<161281250)
+    {
+      SpiritCalibrationSelectVco(VCO_L);
+    }
+    else
+    {
+      SpiritCalibrationSelectVco(VCO_H);
+    }
+    break;
+    
+  case LOW_BAND:
+    if(Fc<322562500)
+    {
+      SpiritCalibrationSelectVco(VCO_L);
+    }
+    else
+    {
+      SpiritCalibrationSelectVco(VCO_H);
+    }
+    break;
+    
+  case MIDDLE_BAND:
+    if(Fc<430083334)
+    {
+      SpiritCalibrationSelectVco(VCO_L);
+    }
+    else
+    {
+      SpiritCalibrationSelectVco(VCO_H);
+    }
+    break;
+    
+  case HIGH_BAND:
+    if(Fc<860166667)
+    {
+      SpiritCalibrationSelectVco(VCO_L);
+    }
+    else
+    {
+      SpiritCalibrationSelectVco(VCO_H);
+    }
+  }
+  
+  /* Search the VCO charge pump word and set the corresponding register */
+  wcp = SpiritRadioSearchWCP(Fc);
+  
+  synthWord = (uint32_t)(lFBase*(((double)(FBASE_DIVIDER*cRefDiv*s_vectcBHalfFactor[band]))/SpiritRadioGetXtalFrequency()));
+  
+  /* Build the array of registers values for the analog part */
+  anaRadioRegArray[0] = (uint8_t)(((synthWord>>21)&(0x0000001F))|(wcp<<5));
+  anaRadioRegArray[1] = (uint8_t)((synthWord>>13)&(0x000000FF));
+  anaRadioRegArray[2] = (uint8_t)((synthWord>>5)&(0x000000FF));
+  anaRadioRegArray[3] = (uint8_t)(((synthWord&0x0000001F)<<3)| s_vectcBandRegValue[band]);
+  
+  /* Configures the needed Analog Radio registers */
+  g_xStatus = SpiritSpiWriteRegisters(SYNT3_BASE, 4, anaRadioRegArray);
+}
+
+uint8_t SpiritManagementWaVcoCalibration(void)
+{
+  uint8_t s_cVcoWordRx;
+  uint8_t s_cVcoWordTx;
+  uint32_t nFreq;
+  uint8_t cRestore = 0;
+  uint8_t cStandby = 0;
+  uint32_t xtal_frequency = SpiritRadioGetXtalFrequency();
+  
+  /* Enable the reference divider if the XTAL is between 48 and 52 MHz */
+  if(xtal_frequency>DOUBLE_XTAL_THR)
+  {
+    if(!SpiritRadioGetRefDiv())
+    {
+      cRestore = 1;
+      nFreq = SpiritRadioGetFrequencyBase();
+      SpiritRadioSetRefDiv(S_ENABLE);
+      SpiritManagementSetFrequencyBase(nFreq);
+    }
+  }
+  nFreq = SpiritRadioGetFrequencyBase();
+  
+  /* Increase the VCO current */
+  uint8_t tmp = 0x19; SpiritSpiWriteRegisters(0xA1,1,&tmp);
+  
+  SpiritCalibrationVco(S_ENABLE);
+  
+  SpiritRefreshStatus();
+  if(g_xStatus.MC_STATE == MC_STATE_STANDBY)
+  {
+    cStandby = 1;
+    SpiritCmdStrobeReady();
+    do{
+      SpiritRefreshStatus();
+      if(g_xStatus.MC_STATE == 0x13)
+      {
+        return 1;
+      }
+    }while(g_xStatus.MC_STATE != MC_STATE_READY); 
+  }
+  
+  SpiritCmdStrobeLockTx();
+  
+  do{
+    SpiritRefreshStatus();
+    if(g_xStatus.MC_STATE == 0x13)
+    {
+      return 1;
+    }
+  }while(g_xStatus.MC_STATE != MC_STATE_LOCK);
+  
+  s_cVcoWordTx = SpiritCalibrationGetVcoCalData();
+  
+  SpiritCmdStrobeReady();
+  
+  do{
+    SpiritRefreshStatus();
+  }while(g_xStatus.MC_STATE != MC_STATE_READY); 
+  
+    
+  SpiritCmdStrobeLockRx();
+  
+  do{
+    SpiritRefreshStatus();
+    if(g_xStatus.MC_STATE == 0x13)
+    {
+      return 1;
+    }
+  }while(g_xStatus.MC_STATE != MC_STATE_LOCK);
+  
+  s_cVcoWordRx = SpiritCalibrationGetVcoCalData();
+  
+  SpiritCmdStrobeReady();
+  
+  do{
+    SpiritRefreshStatus();
+    if(g_xStatus.MC_STATE == 0x13)
+    {
+      return 1;
+    }
+  }while(g_xStatus.MC_STATE != MC_STATE_READY);
+  
+  if(cStandby == 1)
+  {
+    SpiritCmdStrobeStandby();    
+  }
+  SpiritCalibrationVco(S_DISABLE);
+  
+  /* Disable the reference divider if the XTAL is between 48 and 52 MHz */
+  if(cRestore)
+  {
+    SpiritRadioSetRefDiv(S_DISABLE);    
+    SpiritManagementSetFrequencyBase(nFreq);
+  }
+  
+  /* Restore the VCO current */
+  tmp = 0x11; SpiritSpiWriteRegisters(0xA1,1,&tmp);
+  
+  SpiritCalibrationSetVcoCalDataTx(s_cVcoWordTx);
+  SpiritCalibrationSetVcoCalDataRx(s_cVcoWordRx);
+  
+  return 0;
+}
+
+
+void SpiritManagementWaCmdStrobeTx(void)
+{
+  if(s_cCommunicationState != COMMUNICATION_STATE_TX)
+  {
+    //uint32_t xtal_frequency = SpiritRadioGetXtalFrequency();
+    
+    /* To achive the max output power */
+    if(s_nDesiredFrequency>=150000000 && s_nDesiredFrequency<=470000000)
+    {
+      /* Optimal setting for Tx mode only */
+      SpiritRadioSetPACwc(LOAD_3_6_PF);
+    }
+    else
+    {
+      /* Optimal setting for Tx mode only */
+      SpiritRadioSetPACwc(LOAD_0_PF);
+    }
+    
+    uint8_t tmp = 0x11; SpiritSpiWriteRegisters(0xa9, 1, &tmp); /* Enable VCO_L buffer */
+    tmp = 0x20; SpiritSpiWriteRegisters(PM_CONFIG1_BASE, 1, &tmp); /* Set SMPS switching frequency */
+    
+    s_cCommunicationState = COMMUNICATION_STATE_TX;
+  }
+}
+
+
+void SpiritManagementWaCmdStrobeRx(void)
+{
+  if(s_cCommunicationState != COMMUNICATION_STATE_RX)
+  {    
+    uint8_t tmp = 0x98; SpiritSpiWriteRegisters(PM_CONFIG1_BASE, 1, &tmp); /* Set SMPS switching frequency */    
+    SpiritRadioSetPACwc(LOAD_0_PF); /* Set the correct CWC parameter */
+    
+    s_cCommunicationState = COMMUNICATION_STATE_RX;
+  }
+}
+
+void SpiritManagementWaTRxFcMem(uint32_t nDesiredFreq)
+{
+  s_cCommunicationState = COMMUNICATION_STATE_NONE;
+  s_nDesiredFrequency = nDesiredFreq;
+}
+
+
+void SpiritManagementWaExtraCurrent(void)
+{          
+  uint8_t tmp= 0xCA;SpiritSpiWriteRegisters(0xB2, 1, &tmp); 
+  tmp= 0x04;SpiritSpiWriteRegisters(0xA8, 1, &tmp); 
+  /* just a read to loose some microsecs more */
+  SpiritSpiReadRegisters(0xA8, 1, &tmp);
+  tmp= 0x00;SpiritSpiWriteRegisters(0xA8, 1, &tmp); 
+}
+
+/**
+* @}
+*/
+
+
+
+/**
+* @}
+*/
+
+
+/**
+* @}
+*/
+
+/**
+* @}
+*/
+
+
+/******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/