Easily add all supported connectivity methods to your mbed OS project
Diff: stm-spirit1-rf-driver/source/libs/spirit1/SPIRIT1_Library/Src/SPIRIT_Management.c
- Revision:
- 0:615f90842ce8
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/stm-spirit1-rf-driver/source/libs/spirit1/SPIRIT1_Library/Src/SPIRIT_Management.c Wed Jul 12 10:52:58 2017 +0000 @@ -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>© 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****/