/****************************************************************************** * drivers/wireless/spirit/include/spirit_radio.h * This file provides all the low level API to manage Analog and Digital radio * part of SPIRIT. * * Copyright(c) 2015 STMicroelectronics * Author: VMA division - AMS * Version 3.2.2 08-July-2015 * * Adapted for NuttX by: * Author: Gregory Nutt * * 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. * ******************************************************************************/ #ifndef __DRIVERS_WIRELESS_SPIRIT_INCLUDE_SPIRIT_RADIO_H #define __DRIVERS_WIRELESS_SPIRIT_INCLUDE_SPIRIT_RADIO_H /* In order to configure the Radio main parameters, the user can fit struct * radio_init_s structure the and call the spirit_radio_initialize() * function passing its pointer* as an argument. * * Example: * * struct radio_init_s g_radio_init = * { * 433.4e6, # base frequency * 20e3, # channel space * 0, # Xtal offset in ppm * 0, # channel number * FSK, # modulation select * 38400, # datarate * 20e3, # frequency deviation * 100.5e3 # channel filter bandwidth * }; * * ... * * spirit_radio_initialize(spirit, &g_radio_init); */ /****************************************************************************** * Included Files ******************************************************************************/ #include #include #include "spirit_types.h" /****************************************************************************** * Pre-processor Definitions ******************************************************************************/ /* Radio_Band */ #define FBASE_DIVIDER 262144 /* 2^18 factor dividing fxo in fbase * formula */ #define HIGH_BAND_FACTOR 6 /* Band select factor for high band. * Factor B in the equation 2 */ #define MIDDLE_BAND_FACTOR 12 /* Band select factor for middle * band. Factor B in the equation 2 */ #define LOW_BAND_FACTOR 16 /* Band select factor for low band. * Factor B in the equation 2 */ #define VERY_LOW_BAND_FACTOR 32 /* Band select factor for very low * band. Factor B in the equation 2 */ #define HIGH_BAND_LOWER_LIMIT 778000000 /* Lower limit of the high * band: 779 MHz */ #define HIGH_BAND_UPPER_LIMIT 957100000 /* Upper limit of the high * band: 956 MHz */ #define MIDDLE_BAND_LOWER_LIMIT 386000000 /* Lower limit of the middle * band: 387 MHz */ #define MIDDLE_BAND_UPPER_LIMIT 471100000 /* Upper limit of the middle * band: 470 MHz */ #define LOW_BAND_LOWER_LIMIT 299000000 /* Lower limit of the low * band: 300 MHz */ #define LOW_BAND_UPPER_LIMIT 349100000 /* Upper limit of the low * band: 348 MHz */ #define VERY_LOW_BAND_LOWER_LIMIT 149000000 /* Lower limit of the very * low band: 150 MHz */ #define VERY_LOW_BAND_UPPER_LIMIT 175100000 /* Upper limit of the very * low band: 174 MHz */ #define IS_FREQUENCY_BAND_HIGH(frequency) \ ((frequency) >= HIGH_BAND_LOWER_LIMIT && (frequency) <= HIGH_BAND_UPPER_LIMIT) #define IS_FREQUENCY_BAND_MIDDLE(frequency) \ ((frequency) >= MIDDLE_BAND_LOWER_LIMIT && (frequency) <= MIDDLE_BAND_UPPER_LIMIT) #define IS_FREQUENCY_BAND_LOW(frequency) \ ((frequency) >= LOW_BAND_LOWER_LIMIT && (frequency) <= LOW_BAND_UPPER_LIMIT) #define IS_FREQUENCY_BAND_VERY_LOW(frequency) \ ((frequency) >= VERY_LOW_BAND_LOWER_LIMIT && (frequency)<=VERY_LOW_BAND_UPPER_LIMIT) #define IS_FREQUENCY_BAND(frequency) \ (IS_FREQUENCY_BAND_HIGH(frequency)|| IS_FREQUENCY_BAND_MIDDLE(frequency)|| \ IS_FREQUENCY_BAND_LOW(frequency) || IS_FREQUENCY_BAND_VERY_LOW(frequency)) /* Radio_IF_Offset. * * This represents the IF_OFFSET_ANA inorder to have an intermediate frequency * of 480 kHz. */ #define IF_OFFSET_ANA(fxo) (lroundf(480140.0 / (fxo) * 12288 - 64.0)) /* Radio_FC_Offset */ #define F_OFFSET_DIVIDER 262144 /* 2^18 factor dividing fxo * in foffset formula */ #define PPM_FACTOR 1000000 /* 10^6 factor to use with * Xtal_offset_ppm */ #define F_OFFSET_LOWER_LIMIT(fxo) ((-(int32_t)fxo) / F_OFFSET_DIVIDER * 2048) #define F_OFFSET_UPPER_LIMIT(fxo) ((int32_t)(fxo / F_OFFSET_DIVIDER * 2047)) #define IS_FREQUENCY_OFFSET(offset, fxo) \ (offset >= F_OFFSET_LOWER_LIMIT(fxo) && offset <= F_OFFSET_UPPER_LIMIT(fxo)) /* Radio_Channel_Space */ #define CHSPACE_DIVIDER 32768 /* 2^15 factor dividing fxo in * channel space formula */ #define IS_CHANNEL_SPACE(chspace, fxo) \ (chspace <= (fxo / 32768 * 255)) /* Radio_Datarate */ #define MINIMUM_DATARATE 100 /* Minimum datarate * supported by SPIRIT1 100 bps */ #define MAXIMUM_DATARATE 510000 /* Maximum datarate * supported by SPIRIT1 500 kbps */ #define IS_DATARATE(datarate) \ (datarate >= MINIMUM_DATARATE && datarate <= MAXIMUM_DATARATE) /* Radio_Frequency_Deviation */ #define F_DEV_MANTISSA_UPPER_LIMIT 7 /* Maximum value for the * mantissa in frequency * deviation formula */ #define F_DEV_EXPONENT_UPPER_LIMIT 9 /* Maximum value for the * exponent in frequency * deviation formula */ #define F_DEV_LOWER_LIMIT(fxo) (fxo >> 16) #define F_DEV_UPPER_LIMIT(fxo) ((fxo * 15) >> 10) #define IS_F_DEV(fdev,fxo) \ (fdev >= F_DEV_LOWER_LIMIT(fxo) && fdev <= F_DEV_UPPER_LIMIT(fxo)) /* Radio_Channel_Bandwidth * * CH_BW_LOWER_LIMIT - Minimum value of the channel filter bandwidth * CH_BW_UPPER_LIMIT - Maximum value of the channel filter bandwidth */ #define CH_BW_LOWER_LIMIT(fxo) 1100 * (fxo / 1000000) / 26 #define CH_BW_UPPER_LIMIT(fxo) 800100*(fxo / 1000000) / 26 #define IS_CH_BW(bw,fxo) \ ((bw) >= CH_BW_LOWER_LIMIT(fxo) && (bw) <= CH_BW_UPPER_LIMIT(fxo)) /* Radio_Power_Amplifier */ #define IS_PA_MAX_INDEX(index) ((index) <= 7) #define IS_PAPOWER_DBM(patable) ((patable) >= (-31) && (patable) <= (12)) #define IS_PAPOWER(patable) ((patable) <= 90) #define IS_PA_STEP_WIDTH(width) ((width) >= 1 && (width) <= 4) /* Radio_Automatic_Frequency_Correction */ #define IS_AFC_FAST_GAIN(gain) ((gain) <= 5) #define IS_AFC_SLOW_GAIN(gain) ((gain) <= 15) #define IS_AFC_PD_LEAKAGE(leakage) ((leakage) <= 31) /* Radio_Automatic_Gain_Control */ #define AGC_MEASURE_TIME_UPPER_LIMIT_US(fxo) \ (393216.0 / fxo) #define IS_AGC_MEASURE_TIME_US(time, fxo) \ (time <= AGC_MEASURE_TIME_UPPER_LIMIT_US(fxo)) #define IS_AGC_MEASURE_TIME(time) (time<=15) #define AGC_HOLD_TIME_UPPER_LIMIT_US(fxo) \ (756.0 / fxo) #define IS_AGC_HOLD_TIME_US(time,fxo) \ (time <= AGC_HOLD_TIME_UPPER_LIMIT_US(fxo)) #define IS_AGC_HOLD_TIME(time) (time <= 63) #define IS_AGC_THRESHOLD(threshold) (threshold <= 15) /* Radio_Clock_Recovery */ #define IS_CLK_REC_P_GAIN(gain) ((gain) <= 7) #define IS_CLK_REC_I_GAIN(gain) ((gain) <= 15) /* Other macros used in assertions */ #define IS_XTAL_FLAG(flag) \ (((flag) == XTAL_FLAG_24_MHz) || ((flag) == XTAL_FLAG_26_MHz)) #define IS_BAND_SELECTED(band) \ (((band) == HIGH_BAND) || ((band) == MIDDLE_BAND) || \ ((band) == LOW_BAND) || ((band) == VERY_LOW_BAND)) #define IS_MODULATION_SELECTED(mod) \ (((mod) == FSK) || ((mod) == GFSK_BT05) || \ ((mod) == GFSK_BT1) || ((mod) == ASK_OOK) || \ ((mod) == MSK)) #define IS_PA_LOAD_CAP(cwc) \ (((cwc) == LOAD_0_PF) || ((cwc) == LOAD_1_2_PF) || \ ((cwc) == LOAD_2_4_PF) || ((cwc) == LOAD_3_6_PF)) #define IS_AFC_MODE(mode) \ ((mode) == AFC_SLICER_CORRECTION || (mode) == AFC_2ND_IF_CORRECTION) #define IS_AGC_MODE(mode) \ ((mode) == AGC_LINEAR_MODE || (mode) == AGC_BINARY_MODE) #define IS_CLK_REC_MODE(mode) \ ((mode) == CLK_REC_PLL || (mode) == CLK_REC_DLL) #define IS_PST_FLT_LENGTH(len) \ ((len) == PSTFLT_LENGTH_8 || (len) == PSTFLT_LENGTH_16) #define IS_OOK_PEAK_DECAY(decay) \ (((decay) == FAST_DECAY) || ((decay) == MEDIUM_FAST_DECAY) ||\ ((decay) == MEDIUM_SLOW_DECAY) || ((decay) == SLOW_DECAY)) /****************************************************************************** * Public Types ******************************************************************************/ /* SPIRIT XTAL frequency enumeration */ enum xtal_flag_e { XTAL_FLAG_24_MHz = 0x00, /* 24 MHz Xtal selected */ XTAL_FLAG_26_MHz = 0x01 /* 26 MHz Xtal selected */ }; /* SPIRIT Band enumeration */ enum spirit_bandselect_e { HIGH_BAND = 0x00, /* High_Band selected: from 779 MHz to 915 MHz */ MIDDLE_BAND = 0x01, /* Middle Band selected: from 387 MHz to 470 MHz */ LOW_BAND = 0x02, /* Low Band selected: from 300 MHz to 348 MHz */ VERY_LOW_BAND = 0x03 /* Vary low Band selected: from 150 MHz to 174 MHz */ }; /* SPIRIT Modulation enumeration */ enum modulation_select_e { FSK = 0x00, /* 2-FSK modulation selected */ GFSK_BT05 = 0x50, /* GFSK modulation selected with BT=0.5 */ GFSK_BT1 = 0x10, /* GFSK modulation selected with BT=1 */ ASK_OOK = 0x20, /* ASK or OOK modulation selected. ASK will * use power ramping */ MSK = 0x30 /* MSK modulation selected */ }; /* SPIRIT PA additional load capacitors bank enumeration */ enum spirit_paload_capacitor_e { LOAD_0_PF = PA_POWER0_CWC_0, /* No additional PA load capacitor */ LOAD_1_2_PF = PA_POWER0_CWC_1_2P, /* 1.2pF additional PA load capacitor */ LOAD_2_4_PF = PA_POWER0_CWC_2_4P, /* 2.4pF additional PA load capacitor */ LOAD_3_6_PF = PA_POWER0_CWC_3_6P /* 3.6pF additional PA load capacitor */ }; /* SPIRIT AFC Mode selection */ enum spirit_afcmode_e { AFC_SLICER_CORRECTION = AFC2_AFC_MODE_SLICER, /* AFC loop closed on slicer */ AFC_2ND_IF_CORRECTION = AFC2_AFC_MODE_MIXER /* AFC loop closed on 2nd * conversion stage */ }; /* SPIRIT AGC Mode selection */ enum spirit_agcmode_e { AGC_LINEAR_MODE = AGCCTRL0_AGC_MODE_LINEAR, /* AGC works in linear mode */ AGC_BINARY_MODE = AGCCTRL0_AGC_MODE_BINARY /* AGC works in binary mode */ }; /* SPIRIT Clock Recovery Mode selection */ enum spirit_clkrecmode_e { CLK_REC_PLL = FDEV0_CLOCK_REG_ALGO_SEL_PLL, /* PLL algorithm for clock recovery */ CLK_REC_DLL = FDEV0_CLOCK_REG_ALGO_SEL_DLL /* DLL algorithm for clock recovery */ }; /* SPIRIT Postfilter length */ enum spirit_pstfltlen_e { PSTFLT_LENGTH_8 = 0x00, /* Postfilter length is 8 symbols */ PSTFLT_LENGTH_16 = 0x10 /* Postfilter length is 16 symbols */ }; /* SPIRIT OOK Peak Decay */ enum spirit_ookpeakdelay_e { FAST_DECAY = 0x00, /* Peak decay control for OOK: fast decay */ MEDIUM_FAST_DECAY = 0x01, /* Peak decay control for OOK: medium_fast decay */ MEDIUM_SLOW_DECAY = 0x02, /* Peak decay control for OOK: medium_fast decay */ SLOW_DECAY = 0x03 /* Peak decay control for OOK: slow decay */ }; /* SPIRIT Radio initialization structure definition */ struct radio_init_s { uint32_t base_frequency; /* Specifies the base carrier frequency (in * Hz), i.e. the carrier frequency of channel * #0. This parameter can be in one of the * following ranges: High_Band: from 779 MHz to * 915 MHz Middle Band: from 387 MHz to 470 MHz * Low Band: from 300 MHz to 348 MHz */ uint32_t chspace; /* Specifies the channel spacing expressed * in Hz. The channel spacing is expressed as: * NxFREQUENCY_STEPS, where frequency STEPS is * F_Xo/2^15. This parameter can be in the * range: [0, F_Xo/2^15*255] Hz */ int16_t foffset; /* Specifies the offset frequency (in ppm) * to compensate crystal inaccuracy expressed * as signed value. */ uint8_t chnum; /* Specifies the channel number. This value * is multiplied by the channel spacing and * added to synthesizer base frequency to * generate the actual RF carrier frequency */ uint8_t modselect; /* Specifies the modulation. This parameter can * be any value from enum modulation_select_e */ uint32_t datarate; /* Specifies the datarate expressed in bps. * This parameter can be in the range between * 100 bps and 500 kbps */ uint32_t freqdev; /* Specifies the frequency deviation * expressed in Hz. This parameter can be in * the range: [F_Xo*8/2^18, F_Xo*7680/2^18] Hz */ uint32_t bandwidth; /* Specifies the channel filter bandwidth * expressed in Hz. This parameter can be in * the range between 1100 and 800100 Hz */ }; /****************************************************************************** * Public Function Prototypes ******************************************************************************/ /****************************************************************************** * Name: spirit_radio_initialize * * Description: * Initializes the SPIRIT analog and digital radio part according to the * specified parameters in the radioinit. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * radioinit - Pointer to a struct radio_init_s that contains the * * Returned Value: * Error code: 0=no error, <0=error during calibration of VCO. * ******************************************************************************/ int spirit_radio_initialize(FAR struct spirit_library_s *spirit, FAR const struct radio_init_s *radioinit); /****************************************************************************** * Name: spirit_radio_get_setup * * Description: * Returns the SPIRIT analog and digital radio structure according to the * registers value. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * radioinit pointer to a struct radio_init_s that * contains the configuration information for the analog radio part * of SPIRIT. * * Returned Value: * Zero (OK) returned on success; a negated errno value is returned on any * failure. * ******************************************************************************/ int spirit_radio_get_setup(FAR struct spirit_library_s *spirit, FAR struct radio_init_s *radioinit); /****************************************************************************** * Name: spirit_radio_set_xtalflag * * Description: * Sets the Xtal configuration in the ANA_FUNC_CONF0 register. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * xtalflag one of the possible value of the enum type xtal_flag_e. * XTAL_FLAG_24_MHz: in case of 24 MHz crystal * XTAL_FLAG_26_MHz: in case of 26 MHz crystal * * Returned Value: * Error code: 0=no error, <0=error during calibration of VCO. * ******************************************************************************/ int spirit_radio_set_xtalflag(FAR struct spirit_library_s *spirit, enum xtal_flag_e xtalflag); /****************************************************************************** * Name: spirit_radio_get_xtalflag * * Description: * Returns the Xtal configuration in the ANA_FUNC_CONF0 register. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * XtalFrequency Settled Xtal configuration. * ******************************************************************************/ enum xtal_flag_e spirit_radio_get_xtalflag(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_search_wcp * * Description: * Returns the charge pump word for a given VCO frequency. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * fc - Channel center frequency expressed in Hz. This parameter may * be a value in one of the following ranges: * * High_Band: from 779 MHz to 915 MHz * Middle Band: from 387 MHz to 470 MHz * Low Band: from 300 MHz to 348 MHz * Very low Band: from 150 MHz to 174 MHz * * Returned Value: * Charge pump word. * ******************************************************************************/ uint8_t spirit_radio_search_wcp(FAR struct spirit_library_s *spirit, uint32_t fc); /****************************************************************************** * Name: spirit_radio_get_synthword * * Description: * Returns the synth word. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * 32-bit Synth word. Errors are not reported. * ******************************************************************************/ uint32_t spirit_radio_get_synthword(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_synthword * * Description: * Sets the SYNTH registers. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * synthword - The synth word to write in the SYNTH[3:0] registers. * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ******************************************************************************/ int spirit_radio_set_synthword(FAR struct spirit_library_s *spirit, uint32_t synthword); /****************************************************************************** * Name: spirit_radio_set_band * * Description: * Sets the operating band. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * band - The band to set. This parameter can be one of following values: * HIGH_BAND High_Band selected: from 779 MHz to 915 MHz * MIDDLE_BAND: Middle Band selected: from 387 MHz to 470 MHz * LOW_BAND: Low Band selected: from 300 MHz to 348 MHz * VERY_LOW_BAND: Very low Band selected: from 150 MHz to 174 MHz * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ******************************************************************************/ int spirit_radio_set_band(FAR struct spirit_library_s *spirit, enum spirit_bandselect_e band); /****************************************************************************** * Name: spirit_radio_get_band * * Description: * Returns the operating band. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * BandSelect Settled band. This returned value may be one of the * following values: * HIGH_BAND High_Band selected: from 779 MHz to 915 MHz * MIDDLE_BAND: Middle Band selected: from 387 MHz to 470 MHz * LOW_BAND: Low Band selected: from 300 MHz to 348 MHz * VERY_LOW_BAND: Very low Band selected: from 150 MHz to 174 MHz * ******************************************************************************/ enum spirit_bandselect_e spirit_radio_get_band(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_get_channel * * Description: * Returns the actual channel number. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Actual channel number. * ******************************************************************************/ uint8_t spirit_radio_get_channel(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_foffset_ppm * * Description: * Sets the FC OFFSET register starting from xtal ppm value. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * xtaloffset - The xtal offset expressed in ppm. * * Returned Value: * Zero (OK) returned on success; a negated errno value is returned on any * failure. * ******************************************************************************/ int spirit_radio_set_foffset_ppm(FAR struct spirit_library_s *spirit, int16_t xtaloffset); /****************************************************************************** * Name: spirit_radio_set_chspace * * Description: * Sets the channel space factor in channel space register. The channel * spacing step is computed as F_Xo/32768. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * chspace - The channel space expressed in Hz. * * Returned Value: * Zero (OK) is returned on success; a negated errno value is returned on * any failure. * ******************************************************************************/ int spirit_radio_set_chspace(FAR struct spirit_library_s *spirit, uint32_t chspace); /****************************************************************************** * Name: spirit_radio_get_chspace * * Description: * Returns the channel space register. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Channel space. The channel space is: * * CS = channel_space_factor x XtalFrequency/2^15 * * where channel_space_factor is the CHSPACE register value. * ******************************************************************************/ uint32_t spirit_radio_get_chspace(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_channel * * Description: * Sets the channel number. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * chnum the channel number. * * Returned Value: * Zero (OK) is returned on success. A negated errno value is returned on * any failure. * ******************************************************************************/ int spirit_radio_set_channel(FAR struct spirit_library_s *spirit, uint8_t chnum); /****************************************************************************** * Name: spirit_radio_set_foffset_hz * * Description: * Sets the FC OFFSET register starting from frequency offset expressed in * Hz. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * foffset - Frequency offset expressed in Hz as signed word. * * Returned Value: * Zero (OK) returned on success; a negated errno value is returned on any * failure. * ******************************************************************************/ int spirit_radio_set_foffset_hz(FAR struct spirit_library_s *spirit, int32_t foffset); /****************************************************************************** * Name: spirit_radio_get_foffset * * Description: * Returns the actual frequency offset. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Frequency offset expressed in Hz as signed word. * ******************************************************************************/ int32_t spirit_radio_get_foffset(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_basefrequency * * Description: * Sets the Synth word and the Band Select register according to desired * base carrier frequency. In this API the Xtal configuration is read out * from the corresponding register. The user shall fix it before call this * API. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * fbase - The base carrier frequency expressed in Hz as unsigned word. * * Returned Value: * Error code: 0=no error, <0=error during calibration of VCO. * ******************************************************************************/ int spirit_radio_set_basefrequency(FAR struct spirit_library_s *spirit, uint32_t fbase); /****************************************************************************** * Name: spirit_radio_enable_wavco_calibration * * Description: * Enable/disable the VCO calibration WA at the end of * spirit_radio_set_basefrequency() * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * S_ENABLE or S_DISABLE the WA procedure. * * Returned Value: * None. * ******************************************************************************/ void spirit_radio_enable_wavco_calibration(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_get_basefrequency * * Description: * Returns the base carrier frequency. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Base carrier frequency expressed in Hz as unsigned word. * ******************************************************************************/ uint32_t spirit_radio_get_basefrequency(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_get_centerfreq * * Description: * Returns the actual channel center frequency. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Actual channel center frequency expressed in Hz. * ******************************************************************************/ uint32_t spirit_radio_get_centerfreq(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_convert_datarate * * Description: * Returns the mantissa and exponent, whose value used in the datarate * formula will give the datarate value closer to the given datarate. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * datarate - datarate expressed in bps. This parameter ranging between * 100 and 500000. * pcm - pointer to the returned mantissa value. * pce - pointer to the returned exponent value. * * Returned Value: * Error code: 0=no error, <0=error during calibration of VCO. * ******************************************************************************/ int spirit_radio_convert_datarate(FAR struct spirit_library_s *spirit, uint32_t datarate, FAR uint8_t *pcm, FAR uint8_t *pce); /****************************************************************************** * Name: spirit_radio_convert_chbandwidth * * Description: * Returns the mantissa and exponent for a given bandwidth. Even if it is * possible to pass as parameter any value in the below mentioned range, the * API will search the closer value according to a fixed table of channel * bandwidth values (@ref s_vectnBandwidth), as defined in the datasheet, * returning the corresponding mantissa and exponent value. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * bandwidth - bandwidth expressed in Hz. This parameter ranging between * 1100 and 800100. * pcm - pointer to the returned mantissa value. * pce - pointer to the returned exponent value. * * Returned Value: * Error code: 0=no error, <0=error during calibration of VCO. * ******************************************************************************/ int spirit_radio_convert_chbandwidth(FAR struct spirit_library_s *spirit, uint32_t bandwidth, FAR uint8_t *pcm, FAR uint8_t *pce); /****************************************************************************** * Name: spirit_radio_convert_freqdev * * Description: * Returns the mantissa and exponent, whose value used in the frequency * deviation formula will give a frequency deviation value most closer to * the given frequency deviation. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * fdev - Frequency deviation expressed in Hz. This parameter can be a * value in the range [F_Xo*8/2^18, F_Xo*7680/2^18]. * pcm - pointer to the returned mantissa value. * pce - pointer to the returned exponent value. * * Returned Value: * Error code: 0=no error, <0=error during calibration of VCO. * ******************************************************************************/ int spirit_radio_convert_freqdev(FAR struct spirit_library_s *spirit, uint32_t fdev, FAR uint8_t *pcm, FAR uint8_t *pce); /****************************************************************************** * Name: spirit_radio_set_datarate * * Description: * Sets the datarate. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * datarate - Datarate expressed in bps. This value must be in the range * [100 500000]. * * Returned Value: * Zero (OK) is returned on success; a negated errnor value is returned on * any failure. * ******************************************************************************/ int spirit_radio_set_datarate(FAR struct spirit_library_s *spirit, uint32_t datarate); /****************************************************************************** * Name: spirit_radio_get_datarate * * Description: * Returns the datarate. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Settled datarate expressed in bps. * ******************************************************************************/ uint32_t spirit_radio_get_datarate(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_freqdev * * Description: * Sets the frequency deviation. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * fdev - Frequency deviation expressed in Hz. Be sure that this value * is in the correct range [F_Xo*8/2^18, F_Xo*7680/2^18] Hz. * * Returned Value: * Zero (OK) is returned on success; a negated errnor value is returned on * any failure. * ******************************************************************************/ int spirit_radio_set_freqdev(FAR struct spirit_library_s *spirit, uint32_t fdev); /****************************************************************************** * Name: spirit_radio_get_freqdev * * Description: * Returns the frequency deviation. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Frequency deviation value expressed in Hz. * This value will be in the range [F_Xo*8/2^18, F_Xo*7680/2^18] Hz. * ******************************************************************************/ uint32_t spirit_radio_get_freqdev(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_chfilterbw * * Description: * Sets the channel filter bandwidth. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * bandwidth - Channel filter bandwidth expressed in Hz. This parameter * must be in the range [1100 800100]. The API will search the * closest value according to a fixed table of channel bandwidth * values, as defined in the datasheet. To verify the settled * channel bandwidth it is possible to use the * spirit_radio_get_chfilterbw() API. * * Returned Value: * Zero (OK) is returned on success; a negated errnor value is returned on * any failure. * ******************************************************************************/ int spirit_radio_set_chfilterbw(FAR struct spirit_library_s *spirit, uint32_t bandwidth); /****************************************************************************** * Name: spirit_radio_get_chfilterbw * * Description: * Returns the channel filter bandwidth. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Channel filter bandwidth expressed in Hz. * ******************************************************************************/ uint32_t spirit_radio_get_chfilterbw(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_modulation * * Description: * Sets the modulation type. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * modulation - Modulation to set. * * Returned Value: * Zero (OK) is returned on success; a negated errnor value is returned on * any failure. * ******************************************************************************/ int spirit_radio_set_modulation(FAR struct spirit_library_s *spirit, enum modulation_select_e modulation); /****************************************************************************** * Name: spirit_radio_get_modulation * * Description: * Returns the modulation type used. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Settled modulation type. * ******************************************************************************/ enum modulation_select_e spirit_radio_get_modulation(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_enable_cwtxmode * * Description: * Enables or Disables the Continuous Wave transmit mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state for power ramping. This parameter can be: S_ENABLE * or S_DISABLE . * * Returned Value: * Zero (OK) is returned on success; a negated errnor value is returned on * any failure. * ******************************************************************************/ int spirit_radio_enable_cwtxmode(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_set_ookpeackdecay * * Description: * Sets the OOK Peak Decay. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * ookdelay - Peak decay control for OOK. * * Returned Value: * Zero (OK) is returned on success; a negated errnor value is returned on * any failure. * ******************************************************************************/ int spirit_radio_set_ookpeackdecay(FAR struct spirit_library_s *spirit, enum spirit_ookpeakdelay_e ookdelay); /****************************************************************************** * Name: spirit_radio_get_ookpeackdecay * * Description: * Returns the OOK Peak Decay. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Ook peak decay value. * ******************************************************************************/ enum spirit_ookpeakdelay_e spirit_radio_get_ookpeackdecay(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_convert_power2reg * * Description: * Returns the PA register value that corresponds to the passed dBm power. * * NOTE: The power interpolation curves used by this function have been * extracted by measurements done on the divisional evaluation boards. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * fbase Frequency base expressed in Hz. * powerdbm Desired power in dBm. * * Returned Value: * Register value as byte. * ******************************************************************************/ uint8_t spirit_radio_convert_power2reg(FAR struct spirit_library_s *spirit, uint32_t fbase, float powerdbm); /****************************************************************************** * Name: spirit_radio_convert_reg2power * * Description: * Returns the dBm power that corresponds to the value of PA register. * * NOTE: The power interpolation curves used by this function have been * extracted by measurements done on the divisional evaluation boards. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * fbase - Frequency base expressed in Hz. * regval - Register value of the PA. * * Returned Value: * Power in dBm as float. * ******************************************************************************/ float spirit_radio_convert_reg2power(FAR struct spirit_library_s *spirit, uint32_t fbase, uint8_t regval); /****************************************************************************** * Name: spirit_radio_config_patable_dbm * * Description: * Configures the Power Amplifier Table and registers with value expressed * in dBm. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * nlevels - Number of levels to set. This parameter must be in the range * [0:7]. * width - Step width expressed in terms of bit period units Tb/8. This * parameter must be in the range [1:4]. * load - The of the possible value of the enum type enum * pirit_paload_capacitor_e. * * LOAD_0_PF No additional PA load capacitor * LOAD_1_2_PF 1.2pF additional PA load capacitor * LOAD_2_4_PF 2.4pF additional PA load capacitor * LOAD_3_6_PF 3.6pF additional PA load capacitor * * table - Pointer to an array of PA values in dbm between * [-PA_LOWER_LIMIT: PA_UPPER_LIMIT] dbm. The first element must * be the lower level (PA_LEVEL[0]) value and the last element * the higher level one (PA_LEVEL[paLevelMaxIndex]). * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_config_patable_dbm(FAR struct spirit_library_s *spirit, uint8_t nlevels, uint8_t width, enum spirit_paload_capacitor_e load, FAR float *table); /****************************************************************************** * Name: spirit_radio_get_patable_dbm * * Description: * Returns the Power Amplifier Table and registers, returning values in * dBm. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * nlevels - Pointer to the number of levels settled. This parameter must * be in the range [0:7]. * table - Pointer to an array of 8 elements containing the PA value in * dbm. * The first element will be the PA_LEVEL_0 and the last element * will be PA_LEVEL_7. Any value higher than PA_UPPER_LIMIT * implies no output power (output stage is in high impedance). * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_get_patable_dbm(FAR struct spirit_library_s *spirit, FAR uint8_t *nlevels, FAR float *table); /****************************************************************************** * Name: spirit_radio_set_palevel_dbm * * Description: * Sets a specific PA_LEVEL register, with a value given in dBm. * * NOTE: * This function makes use of the spirit_radio_convert_power2reg function * to interpolate the power value. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * ndx - PA_LEVEL to set. This parameter shall be in the range [0:7]. * powerdbm - PA value to write expressed in dBm . Be sure that this values * is in the correct range [-PA_LOWER_LIMIT: PA_UPPER_LIMIT] dBm. * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ******************************************************************************/ int spirit_radio_set_palevel_dbm(FAR struct spirit_library_s *spirit, uint8_t ndx, float powerdbm); /****************************************************************************** * Name: spirit_radio_get_palevel_dbm * * Description: * Returns a specific PA_LEVEL register, returning a value in dBm. * * NOTE: * This function makes use of the @ref spirit_radio_convert_reg2power fcn to * interpolate the power value. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * ndx - PA_LEVEL to read. This parameter shall be in the range [0:7] * * Returned Value: * Settled power level expressed in dBm. A value higher than PA_UPPER_LIMIT * dBm implies no output power (output stage is in high impedance). * ******************************************************************************/ float spirit_radio_get_palevel_dbm(FAR struct spirit_library_s *spirit, uint8_t ndx); /****************************************************************************** * Name: spirit_radio_config_patable * * Description: * Configures the Power Amplifier Table and registers. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * nlevels - Number of levels to set. This parameter must be in the range * [0:7]. * width - Step width expressed in terms of bit period units Tb/8. This * parameter must be in the range [1:4]. * load - One of the possible value of the enum type enum * spirit_paload_capacitor_e. * * LOAD_0_PF No additional PA load capacitor * LOAD_1_2_PF 1.2pF additional PA load capacitor * LOAD_2_4_PF 2.4pF additional PA load capacitor * LOAD_3_6_PF 3.6pF additional PA load capacitor * * table - Pointer to an array of PA values in the range [0: 90], where * 0 implies no output power, 1 will be the maximum level and 90 * the minimum one. The first element must be the lower level * (PA_LEVEL[0]) value and the last element the higher level one * (PA_LEVEL[paLevelMaxIndex]). * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_config_patable(FAR struct spirit_library_s *spirit, uint8_t nlevels, uint8_t width, enum spirit_paload_capacitor_e load, FAR uint8_t *table); /****************************************************************************** * Name: spirit_radio_get_patable * * Description: * Returns the Power Amplifier Table and registers. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * nlevels - Pointer to the number of levels settled. This parameter must * be in the range [0:7]. * table - Pointer to an array of 8 elements containing the PA value. The * first element will be the PA_LEVEL_0 and the last element will * be PA_LEVEL_7. Any value equals to 0 implies that level has no * output power (output stage is in high impedance). * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_get_patable(FAR struct spirit_library_s *spirit, FAR uint8_t *nlevels, FAR uint8_t *table); /****************************************************************************** * Name: spirit_radio_set_palevel * * Description: * Sets a specific PA_LEVEL register. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * ndx - PA_LEVEL to set. This parameter shall be in the range [0:7]. * power - PA value to write in the register. Be sure that this values is * in the correct range [0 : 90]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_palevel(FAR struct spirit_library_s *spirit, uint8_t ndx, uint8_t power); /****************************************************************************** * Name: spirit_radio_get_palevel * * Description: * Returns a specific PA_LEVEL register. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * ndx - PA_LEVEL to read. This parameter shall be in the range [0:7]. * * Returned Value: * PA_LEVEL value. A value equal to zero * implies no output power (output stage is in high impedance). * ******************************************************************************/ uint8_t spirit_radio_get_palevel(FAR struct spirit_library_s *spirit, uint8_t ndx); /****************************************************************************** * Name: spirit_radio_set_outputload * * Description: * Sets the output stage additional load capacitor bank. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * load one of the possible value of the enum type * enum spirit_paload_capacitor_e. * LOAD_0_PF No additional PA load capacitor * LOAD_1_2_PF 1.2pF additional PA load capacitor * LOAD_2_4_PF 2.4pF additional PA load capacitor * LOAD_3_6_PF 3.6pF additional PA load capacitor * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_outputload(FAR struct spirit_library_s *spirit, enum spirit_paload_capacitor_e load); /****************************************************************************** * Name: spirit_radio_get_outputload * * Description: * Returns the output stage additional load capacitor bank. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Output stage additional load capacitor bank. This value may be: * * LOAD_0_PF No additional PA load capacitor * LOAD_1_2_PF 1.2pF additional PA load capacitor * LOAD_2_4_PF 2.4pF additional PA load capacitor * LOAD_3_6_PF 3.6pF additional PA load capacitor * ******************************************************************************/ enum spirit_paload_capacitor_e spirit_radio_get_outputload(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_palevel_maxindex * * Description: * Sets a specific PA_LEVEL_MAX_INDEX. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * ndx - PA_LEVEL_MAX_INDEX to set. This parameter must be in the range * [0:7]. * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ******************************************************************************/ int spirit_radio_set_palevel_maxindex(FAR struct spirit_library_s *spirit, uint8_t ndx); /****************************************************************************** * Name: spirit_radio_get_palevel_maxindex * * Description: * Returns the actual PA_LEVEL_MAX_INDEX. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Actual PA_LEVEL_MAX_INDEX. This value will be in the range [0:7]. * ******************************************************************************/ uint8_t spirit_radio_get_palevel_maxindex(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_pastep_width * * Description: * Sets a specific PA_RAMP_STEP_WIDTH. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * width - Step width expressed in terms of bit period units Tb/8. This * value must be in the range [1:4]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_pastep_width(FAR struct spirit_library_s *spirit, uint8_t width); /****************************************************************************** * Name: spirit_radio_get_pastep_width * * Description: * Returns the actual PA_RAMP_STEP_WIDTH. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Step width value expressed in terms of bit period units Tb/8. This * value will be in the range [1:4]. * ******************************************************************************/ uint8_t spirit_radio_get_pastep_width(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_enable_paramp * * Description: * Enables or Disables the Power Ramping. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state for power ramping. This value can be: S_ENABLE * or S_DISABLE. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_enable_paramp(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_isenabled_paramp * * Description: * Returns the state of the Power Ramping enable bit. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state for power ramping. This value can be: S_ENABLE * or S_DISABLE. * * Returned Value: * Power Ramping enable state. * ******************************************************************************/ enum spirit_functional_state_e spirit_radio_isenabled_paramp(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_enable_afc * * Description: * Enables or Disables the AFC. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state for AFC. This value can be: S_ENABLE or * S_DISABLE. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_enable_afc(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_afcfreezeonsync * * Description: * Enables or Disables the AFC freeze on sync word detection. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - new state for AFC freeze on sync word detection. * This parameter can be: S_ENABLE or S_DISABLE. * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ******************************************************************************/ int spirit_radio_afcfreezeonsync(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_set_afcmode * * Description: * Sets the AFC working mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * mode - The AFC mode. This value can be one of the values defined in * enum spirit_afcmode_e: * * AFC_SLICER_CORRECTION AFC loop closed on slicer * AFC_2ND_IF_CORRECTION AFC loop closed on 2nd conversion stage * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_afcmode(FAR struct spirit_library_s *spirit, enum spirit_afcmode_e mode); /****************************************************************************** * Name: spirit_radio_get_afcmode * * Description: * Returns the AFC working mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Settled AFC mode. This value will be one of the values defined in * enum spirit_afcmode_e: * * AFC_SLICER_CORRECTION AFC loop closed on slicer * AFC_2ND_IF_CORRECTION AFC loop closed on 2nd conversion stage * ******************************************************************************/ enum spirit_afcmode_e spirit_radio_get_afcmode(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_afcpdleakage * * Description: * Sets the AFC peak detector leakage. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * leakage - The peak detector leakage. This value must be in the * range: [0:31]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_afcpdleakage(FAR struct spirit_library_s *spirit, uint8_t leakage); /****************************************************************************** * Name: spirit_radio_get_afcpdleakage * * Description: * Returns the AFC peak detector leakage. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Peak detector leakage value. This value will be in the range: [0:31]. * ******************************************************************************/ uint8_t spirit_radio_get_afcpdleakage(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_afcfastperiod * * Description: * Sets the length of the AFC fast period expressed as number of samples. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * length - Length of the fast period in number of samples. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_afcfastperiod(FAR struct spirit_library_s *spirit, uint8_t length); /****************************************************************************** * Name: spirit_radio_get_afcfastperiod * * Description: * Returns the AFC fast period expressed as number of samples. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Length of the fast period in number of samples. * ******************************************************************************/ uint8_t spirit_radio_get_afcfastperiod(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_afcfastgain * * Description: * Sets the AFC loop gain in fast mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * gain - AFC loop gain in fast mode. This value must be in the range: * [0:15]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_afcfastgain(FAR struct spirit_library_s *spirit, uint8_t gain); /****************************************************************************** * Name: spirit_radio_get_afcfastgain * * Description: * Returns the AFC loop gain in fast mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * uint8_t AFC loop gain in fast mode. This value will be in the range: * [0:15]. * ******************************************************************************/ uint8_t spirit_radio_get_afcfastgain(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_afclowgain * * Description: * Sets the AFC loop gain in slow mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * gain - AFC loop gain in slow mode. This value must be in the range: * [0:15]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_afclowgain(FAR struct spirit_library_s *spirit, uint8_t gain); /****************************************************************************** * Name: spirit_radio_get_afclowgain * * Description: * Returns the AFC loop gain in slow mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * AFC loop gain in slow mode. This value will be in the range: [0:15]. * ******************************************************************************/ uint8_t spirit_radio_get_afclowgain(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_get_afccorrection * * Description: * Returns the AFC correction from the corresponding register. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * AFC correction, read from the corresponding register. This value * will be in the range [-128:127]. * ******************************************************************************/ int8_t spirit_radio_get_afccorrection(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_get_afccorrection_hz * * Description: * Returns the AFC correction expressed in Hz. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * AFC correction expressed in Hz according to the following formula: * * Fafc[Hz]= (Fdig/(12*2^10))*AFC_CORR * * where AFC_CORR is the value read in the AFC_CORR register * ******************************************************************************/ int32_t spirit_radio_get_afccorrection_hz(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_enable_agc * * Description: * Enables or Disables the AGC. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state for AGC. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_enable_agc(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_set_agcmode * * Description: * Sets the AGC working mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * mode - The AGC mode. This value can be one of the values defined in * enum spirit_agcmode_e: * * AGC_LINEAR_MODE AGC works in linear mode * AGC_BINARY_MODE AGC works in binary mode * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_agcmode(FAR struct spirit_library_s *spirit, enum spirit_agcmode_e mode); /****************************************************************************** * Name: spirit_radio_get_agcmode * * Description: * Returns the AGC working mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Settled AGC mode. This value can be one of the values defined in * enum spirit_agcmode_e: * * AGC_LINEAR_MODE AGC works in linear mode * AGC_BINARY_MODE AGC works in binary mode * ******************************************************************************/ enum spirit_agcmode_e spirit_radio_get_agcmode(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_enable_agcfreeze_steady * * Description: * Enables or Disables the AGC freeze on steady state. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state for AGC freeze on steady state. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_enable_agcfreeze_steady(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_enable_agcfreeze_sync * * Description: * Enable or Disable the AGC freeze on sync detection. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state for AGC freeze on sync detection. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_enable_agcfreeze_sync(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_enable_agcfreeze_maxatten * * Description: * Enable or Disable the AGC to start with max attenuation. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state for AGC start with max attenuation mode. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_enable_agcfreeze_maxatten(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_set_agcmeasure_us * * Description: * Sets the AGC measure time. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * time - AGC measure time expressed in us. This value must be in the * range [0, 393216/F_Xo]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_agcmeasure_us(FAR struct spirit_library_s *spirit, uint16_t time); /****************************************************************************** * Name: spirit_radio_get_agcmeasure_us * * Description: * Returns the AGC measure time in microseconds. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * AGC measure time expressed in microseconds. This value will be in * the range [0, 393216/Fxo]. * ******************************************************************************/ uint16_t spirit_radio_get_agcmeasure_us(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_agcmeasure * * Description: * Sets the AGC measure time. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * time - AGC measure time to write in the MEAS_TIME field of AGCCTRL_2 * register. This value must be in the range [0:15]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_agcmeasure(FAR struct spirit_library_s *spirit, uint8_t time); /****************************************************************************** * Name: spirit_radio_get_agcmeasure * * Description: * Returns the AGC measure time. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * AGC measure time read from the MEAS_TIME field of AGCCTRL_2 register. * This value will be in the range [0:15]. * ******************************************************************************/ uint8_t spirit_radio_get_agcmeasure(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_agcholdtime_us * * Description: * Sets the AGC hold time. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * time - AGC hold time expressed in us. This value must be in the * range [0, 756/F_Xo]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_agcholdtime_us(FAR struct spirit_library_s *spirit, uint8_t time); /****************************************************************************** * Name: spirit_radio_get_agcholdtime_us * * Description: * Returns the AGC hold time. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * AGC hold time expressed in us. This value will be in the range: * [0, 756/F_Xo]. * ******************************************************************************/ uint8_t spirit_radio_get_agcholdtime_us(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_agcholdtime * * Description: * Sets the AGC hold time. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * time - AGC hold time to write in the HOLD_TIME field of AGCCTRL_0 * register. This value must be in the range [0:63]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_agcholdtime(FAR struct spirit_library_s *spirit, uint8_t time); /****************************************************************************** * Name: spirit_radio_get_agcholdtime * * Description: * Returns the AGC hold time. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * AGC hold time read from the HOLD_TIME field of AGCCTRL_0 register. This * value will be in the range [0:63]. * ******************************************************************************/ uint8_t spirit_radio_get_agcholdtime(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_agchighthres * * Description: * Sets the AGC high threshold. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * highthres - AGC high threshold to write in the THRESHOLD_HIGH field of * AGCCTRL_1 register. This value must be in the range * [0:15]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_agchighthres(FAR struct spirit_library_s *spirit, uint8_t highthres); /****************************************************************************** * Name: spirit_radio_get_agchighthres * * Description: * Returns the AGC high threshold. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * AGC high threshold read from the THRESHOLD_HIGH field of AGCCTRL_1 * register. This value will be in the range [0:15]. * ******************************************************************************/ uint8_t spirit_radio_get_agchighthres(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_agclowthres * * Description: * Sets the AGC low threshold. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * lowthres - AGC low threshold to write in the THRESHOLD_LOW field of * AGCCTRL_1 register. This value must be in the range * 0:15]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_agclowthres(FAR struct spirit_library_s *spirit, uint8_t lowthres); /****************************************************************************** * Name: spirit_radio_get_agclowthres * * Description: * Returns the AGC low threshold. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * AGC low threshold read from the THRESHOLD_LOW field of AGCCTRL_1 register. * This value will be in the range [0:15]. * ******************************************************************************/ uint8_t spirit_radio_get_agclowthres(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_clkrecmode * * Description: * Sets the clock recovery algorithm. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * mode - The Clock Recovery mode. This value can be one of the values * defined in enum spirit_clkrecmode_e : * * CLK_REC_PLL PLL algorithm for clock recovery * CLK_REC_DLL DLL algorithm for clock recovery * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_clkrecmode(FAR struct spirit_library_s *spirit, enum spirit_clkrecmode_e mode); /****************************************************************************** * Name: spirit_radio_get_clkrecmode * * Description: * Returns the Clock Recovery working mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Clock Recovery mode. This value can be one of the values defined in * enum spirit_clkrecmode_e: * * CLK_REC_PLL PLL algorithm for clock recovery * CLK_REC_DLL DLL algorithm for clock recovery * ******************************************************************************/ enum spirit_clkrecmode_e spirit_radio_get_clkrecmode(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_clkrecgain * * Description: * Sets the clock recovery proportional gain. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * pgain - The Clock Recovery proportional gain to write in the * CLK_REC_P_GAIN field of CLOCKREC register. This is the log2 * value of the clock recovery proportional gain. This value * must be in the range [0:7]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_clkrecgain(FAR struct spirit_library_s *spirit, uint8_t pgain); /****************************************************************************** * Name: spirit_radio_get_clkrecgain * * Description: * Returns the log2 of the clock recovery proportional gain. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Clock Recovery proportional gain read from the CLK_REC_P_GAIN field of * CLOCKREC register. This value will be in the range [0:7]. * ******************************************************************************/ uint8_t spirit_radio_get_clkrecgain(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_clkrecigain * * Description: * Sets the clock recovery integral gain. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * igain - The Clock Recovery integral gain to write in the CLK_REC_I_GAIN * field of CLOCKREC register. This value must be in the range * [0:15]. * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_clkrecigain(FAR struct spirit_library_s *spirit, uint8_t igain); /****************************************************************************** * Name: spirit_radio_get_clkrecigain * * Description: * Returns the clock recovery integral gain. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Clock Recovery integral gain read from the CLK_REC_I_GAIN field of * CLOCKREC register. This value will be in the range [0:15]. * ******************************************************************************/ uint8_t spirit_radio_get_clkrecigain(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_set_clkrecpstfltlen * * Description: * Sets the postfilter length for clock recovery algorithm. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * length - The postfilter length in symbols. This value can be one of * the values defined in enum spirit_pstfltlen_e : * * PSTFLT_LENGTH_8 Postfilter length is 8 symbols * PSTFLT_LENGTH_16 Postfilter length is 16 symbols * * Returned Value: * Zero (OK) on success. A negated errno value is returned on any failure. * ******************************************************************************/ int spirit_radio_set_clkrecpstfltlen(FAR struct spirit_library_s *spirit, enum spirit_pstfltlen_e length); /****************************************************************************** * Name: spirit_radio_get_clkrecpstfltlen * * Description: * Returns the postfilter length for clock recovery algorithm. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * Postfilter length in symbols. This value can be one of the values * defined in enum spirit_pstfltlen_e: * * PSTFLT_LENGTH_8 Postfilter length is 8 symbols * PSTFLT_LENGTH_16 Postfilter length is 16 symbols * ******************************************************************************/ enum spirit_pstfltlen_e spirit_radio_get_clkrecpstfltlen(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_enable_csblanking * * Description: * Enables or Disables the received data blanking when the CS is under the * threshold. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state of this mode. * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ******************************************************************************/ int spirit_radio_enable_csblanking(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_persistentrx * * Description: * Enables or Disables the persistent RX mode. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state of this mode. * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ******************************************************************************/ int spirit_radio_persistentrx(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_set_refdiv * * Description: * Enables or Disables the synthesizer reference divider. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate new state for synthesizer reference divider. * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ******************************************************************************/ int spirit_radio_set_refdiv(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_get_refdiv * * Description: * Get the the synthesizer reference divider state. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * S_ENABLE or S_DISABLE. Errors are not reported. * ******************************************************************************/ enum spirit_functional_state_e spirit_radio_get_refdiv(FAR struct spirit_library_s *spirit); /****************************************************************************** * Name: spirit_radio_enable_digdivider * * Description: * Enables or Disables the synthesizer reference divider. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * newstate - New state for synthesizer reference divider. * * Returned Value: * Zero (OK) on success; a negated errno value on failure. * ******************************************************************************/ int spirit_radio_enable_digdivider(FAR struct spirit_library_s *spirit, enum spirit_functional_state_e newstate); /****************************************************************************** * Name: spirit_radio_isenabled_digdivider * * Description: * Get the the synthesizer reference divider state. * * Input Parameters: * spirit - Reference to a Spirit library state structure instance * * Returned Value: * S_ENABLE or S_DISABLE. Error conditions are not detected. * ******************************************************************************/ enum spirit_functional_state_e spirit_radio_isenabled_digdivider(FAR struct spirit_library_s *spirit); #endif /* __DRIVERS_WIRELESS_SPIRIT_INCLUDE_SPIRIT_RADIO_H*/