Easily add all supported connectivity methods to your mbed OS project
stm-spirit1-rf-driver/source/libs/spirit1/SPIRIT1_Library/Src/SPIRIT_Qi.c
- Committer:
- MACRUM
- Date:
- 2017-07-12
- Revision:
- 0:615f90842ce8
File content as of revision 0:615f90842ce8:
/** ****************************************************************************** * @file SPIRIT_Qi.c * @author VMA division - AMS * @version 3.2.2 * @date 08-July-2015 * @brief Configuration and management of SPIRIT QI. * @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_Qi.h" #include "MCU_Interface.h" /** * @addtogroup SPIRIT_Libraries * @{ */ /** * @addtogroup SPIRIT_Qi * @{ */ /** * @defgroup Qi_Private_TypesDefinitions QI Private Types Definitions * @{ */ /** *@} */ /** * @defgroup Qi_Private_Defines QI Private Defines * @{ */ /** *@} */ /** * @defgroup Qi_Private_Macros QI Private Macros * @{ */ /** *@} */ /** * @defgroup Qi_Private_Variables QI Private Variables * @{ */ /** *@} */ /** * @defgroup Qi_Private_FunctionPrototypes QI Private Function Prototypes * @{ */ /** *@} */ /** * @defgroup Qi_Private_Functions QI Private Functions * @{ */ /** * @brief Enables/Disables the PQI Preamble Quality Indicator check. The running peak PQI is * compared to a threshold value and the preamble valid IRQ is asserted as soon as the threshold is passed. * @param xNewState new state for PQI check. * This parameter can be: S_ENABLE or S_DISABLE. * @retval None. */ void SpiritQiPqiCheck(SpiritFunctionalState xNewState) { uint8_t tempRegValue; /* Check the parameters */ s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(xNewState)); /* Reads the QI register value */ g_xStatus = SpiritSpiReadRegisters(QI_BASE, 1, &tempRegValue); /* Enables or disables the PQI Check bit on the QI_BASE register */ if(xNewState == S_ENABLE) { tempRegValue |= QI_PQI_MASK; } else { tempRegValue &= ~QI_PQI_MASK; } /* Writes value on the QI register */ g_xStatus = SpiritSpiWriteRegisters(QI_BASE, 1, &tempRegValue); } /** * @brief Enables/Disables the Synchronization Quality Indicator check. The running peak SQI is * compared to a threshold value and the sync valid IRQ is asserted as soon as the threshold is passed. * @param xNewState new state for SQI check. * This parameter can be: S_ENABLE or S_DISABLE. * @retval None. */ void SpiritQiSqiCheck(SpiritFunctionalState xNewState) { uint8_t tempRegValue; /* Check the parameters */ s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(xNewState)); /* Reads the QI register value */ g_xStatus = SpiritSpiReadRegisters(QI_BASE, 1, &tempRegValue); /* Enables or disables the SQI Check bit on the QI_BASE register */ if(xNewState == S_ENABLE) { tempRegValue |= QI_SQI_MASK; } else { tempRegValue &= ~QI_SQI_MASK; } /* Writes value on the QI register */ g_xStatus = SpiritSpiWriteRegisters(QI_BASE, 1, &tempRegValue); } /** * @brief Sets the PQI threshold. The preamble quality threshold is 4*PQI_TH (PQI_TH = 0..15). * @param xPqiThr parameter of the formula above. * This variable is a @ref PqiThreshold. * @retval None. */ void SpiritQiSetPqiThreshold(PqiThreshold xPqiThr) { uint8_t tempRegValue; /* Check the parameters */ s_assert_param(IS_PQI_THR(xPqiThr)); /* Reads the QI register value */ g_xStatus = SpiritSpiReadRegisters(QI_BASE, 1, &tempRegValue); /* Build the PQI threshold value to be written */ tempRegValue &= 0xC3; tempRegValue |= ((uint8_t)xPqiThr); /* Writes value on the QI register */ g_xStatus = SpiritSpiWriteRegisters(QI_BASE, 1, &tempRegValue); } /** * @brief Returns the PQI threshold. The preamble quality threshold is 4*PQI_TH (PQI_TH = 0..15). * @param None. * @retval PqiThreshold PQI threshold (PQI_TH of the formula above). */ PqiThreshold SpiritQiGetPqiThreshold(void) { uint8_t tempRegValue; /* Reads the QI register value */ g_xStatus = SpiritSpiReadRegisters(QI_BASE, 1, &tempRegValue); /* Rebuild and return the PQI threshold value */ return (PqiThreshold)(tempRegValue & 0x3C); } /** * @brief Sets the SQI threshold. The synchronization quality * threshold is equal to 8 * SYNC_LEN - 2 * SQI_TH with SQI_TH = 0..3. When SQI_TH is 0 perfect match is required; when * SQI_TH = 1, 2, 3 then 1, 2, or 3 bit errors are respectively accepted. It is recommended that the SQI check is always * enabled. * @param xSqiThr parameter of the formula above. * This parameter is a @ref SqiThreshold. * @retval None. */ void SpiritQiSetSqiThreshold(SqiThreshold xSqiThr) { uint8_t tempRegValue; /* Check the parameters */ s_assert_param(IS_SQI_THR(xSqiThr)); /* Reads the QI register value */ g_xStatus = SpiritSpiReadRegisters(QI_BASE, 1, &tempRegValue); /* Build the SQI threshold value to be written */ tempRegValue &= 0x3F; tempRegValue |= ((uint8_t)xSqiThr); /* Writes the new value on the QI register */ g_xStatus = SpiritSpiWriteRegisters(QI_BASE, 1, &tempRegValue); } /** * @brief Returns the SQI threshold. The synchronization quality threshold is equal to 8 * SYNC_LEN - 2 * SQI_TH with SQI_TH = 0..3. * @param None. * @retval SqiThreshold SQI threshold (SQI_TH of the formula above). */ SqiThreshold SpiritQiGetSqiThreshold(void) { uint8_t tempRegValue; /* Reads the QI register value */ g_xStatus = SpiritSpiReadRegisters(QI_BASE, 1, &tempRegValue); /* Rebuild and return the SQI threshold value */ return (SqiThreshold)(tempRegValue & 0xC0); } /** * @brief Returns the PQI value. * @param None. * @retval uint8_t PQI value. */ uint8_t SpiritQiGetPqi(void) { uint8_t tempRegValue; /* Reads the LINK_QUALIF2 register value */ g_xStatus = SpiritSpiReadRegisters(LINK_QUALIF2_BASE, 1, &tempRegValue); /* Returns the PQI value */ return tempRegValue; } /** * @brief Returns the SQI value. * @param None. * @retval uint8_t SQI value. */ uint8_t SpiritQiGetSqi(void) { uint8_t tempRegValue; /* Reads the register LINK_QUALIF1 value */ g_xStatus = SpiritSpiReadRegisters(LINK_QUALIF1_BASE, 1, &tempRegValue); /* Rebuild and return the SQI value */ return (tempRegValue & 0x7F); } /** * @brief Returns the LQI value. * @param None. * @retval uint8_t LQI value. */ uint8_t SpiritQiGetLqi(void) { uint8_t tempRegValue; /* Reads the LINK_QUALIF0 register value */ g_xStatus = SpiritSpiReadRegisters(LINK_QUALIF0_BASE, 1, &tempRegValue); /* Rebuild and return the LQI value */ return ((tempRegValue & 0xF0)>> 4); } /** * @brief Returns the CS status. * @param None. * @retval SpiritFlagStatus CS value (S_SET or S_RESET). */ SpiritFlagStatus SpiritQiGetCs(void) { uint8_t tempRegValue; /* Reads the LINK_QUALIF1 register value */ g_xStatus = SpiritSpiReadRegisters(LINK_QUALIF1_BASE, 1, &tempRegValue); /* Rebuild and returns the CS status value */ if((tempRegValue & 0x80) == 0) { return S_RESET; } else { return S_SET; } } /** * @brief Returns the RSSI value. The measured power is reported in steps of half a dB from 0 to 255 and is offset in such a way that -120 dBm corresponds * to 20. * @param None. * @retval uint8_t RSSI value. */ uint8_t SpiritQiGetRssi(void) { uint8_t tempRegValue; /* Reads the RSSI_LEVEL register value */ g_xStatus = SpiritSpiReadRegisters(RSSI_LEVEL_BASE, 1, &tempRegValue); /* Returns the RSSI value */ return tempRegValue; } /** * @brief Sets the RSSI threshold. * @param cRssiThr RSSI threshold reported in steps of half a dBm with a -130 dBm offset. * This parameter must be a uint8_t. * @retval None. */ void SpiritQiSetRssiThreshold(uint8_t cRssiThr) { /* Writes the new value on the RSSI_TH register */ g_xStatus = SpiritSpiWriteRegisters(RSSI_TH_BASE, 1, &cRssiThr); } /** * @brief Returns the RSSI threshold. * @param None. * @retval uint8_t RSSI threshold. */ uint8_t SpiritQiGetRssiThreshold(void) { uint8_t tempRegValue; /* Reads the RSSI_TH register value */ g_xStatus = SpiritSpiReadRegisters(RSSI_TH_BASE, 1, &tempRegValue); /* Returns RSSI threshold */ return tempRegValue; } /** * @brief Computes the RSSI threshold from its dBm value according to the formula: (RSSI[Dbm] + 130)/0.5 * @param nDbmValue RSSI threshold reported in dBm. * This parameter must be a sint16_t. * @retval uint8_t RSSI threshold corresponding to dBm value. */ uint8_t SpiritQiComputeRssiThreshold(int nDbmValue) { /* Check the parameters */ s_assert_param(IS_RSSI_THR_DBM(nDbmValue)); /* Computes the RSSI threshold for register */ return 2*(nDbmValue+130); } /** * @brief Sets the RSSI threshold from its dBm value according to the formula: (RSSI[Dbm] + 130)/0.5. * @param nDbmValue RSSI threshold reported in dBm. * This parameter must be a sint16_t. * @retval None. */ void SpiritQiSetRssiThresholddBm(int nDbmValue) { uint8_t tempRegValue=2*(nDbmValue+130); /* Check the parameters */ s_assert_param(IS_RSSI_THR_DBM(nDbmValue)); /* Writes the new value on the RSSI_TH register */ g_xStatus = SpiritSpiWriteRegisters(RSSI_TH_BASE, 1, &tempRegValue); } /** * @brief Sets the RSSI filter gain. This parameter sets the bandwidth of a low pass IIR filter (RSSI_FLT register, allowed values 0..15), a * lower values gives a faster settling of the measurements but lower precision. The recommended value for such parameter is 14. * @param xRssiFg RSSI filter gain value. * This parameter can be any value of @ref RssiFilterGain. * @retval None. */ void SpiritQiSetRssiFilterGain(RssiFilterGain xRssiFg) { uint8_t tempRegValue; /* Check the parameters */ s_assert_param(IS_RSSI_FILTER_GAIN(xRssiFg)); /* Reads the RSSI_FLT register */ g_xStatus = SpiritSpiReadRegisters(RSSI_FLT_BASE, 1, &tempRegValue); /* Sets the specified filter gain */ tempRegValue &= 0x0F; tempRegValue |= ((uint8_t)xRssiFg); /* Writes the new value on the RSSI_FLT register */ g_xStatus = SpiritSpiWriteRegisters(RSSI_FLT_BASE, 1, &tempRegValue); } /** * @brief Returns the RSSI filter gain. * @param None. * @retval RssiFilterGain RSSI filter gain. */ RssiFilterGain SpiritQiGetRssiFilterGain(void) { uint8_t tempRegValue; /* Reads the RSSI_FLT register */ g_xStatus = SpiritSpiReadRegisters(RSSI_FLT_BASE, 1, &tempRegValue); /* Rebuild and returns the filter gain value */ return (RssiFilterGain)(tempRegValue & 0xF0); } /** * @brief Sets the CS Mode. When static carrier sensing is used (cs_mode = 0), the carrier sense signal is asserted when the measured RSSI is above the * value specified in the RSSI_TH register and is deasserted when the RSSI falls 3 dB below the same threshold. * When dynamic carrier sense is used (cs_mode = 1, 2, 3), the carrier sense signal is asserted if the signal is above the * threshold and a fast power increase of 6, 12 or 18 dB is detected; it is deasserted if a power fall of the same amplitude is * detected. * @param xCsMode CS mode selector. * This parameter can be any value of @ref CSMode. * @retval None. */ void SpiritQiSetCsMode(CSMode xCsMode) { uint8_t tempRegValue; /* Check the parameters */ s_assert_param(IS_CS_MODE(xCsMode)); /* Reads the RSSI_FLT register */ g_xStatus = SpiritSpiReadRegisters(RSSI_FLT_BASE, 1, &tempRegValue); /* Sets bit to select the CS mode */ tempRegValue &= ~0x0C; tempRegValue |= ((uint8_t)xCsMode); /* Writes the new value on the RSSI_FLT register */ g_xStatus = SpiritSpiWriteRegisters(RSSI_FLT_BASE, 1, &tempRegValue); } /** * @brief Returns the CS Mode. * @param None. * @retval CSMode CS mode. */ CSMode SpiritQiGetCsMode(void) { uint8_t tempRegValue; /* Reads the RSSI_FLT register */ g_xStatus = SpiritSpiReadRegisters(RSSI_FLT_BASE, 1, &tempRegValue); /* Rebuild and returns the CS mode value */ return (CSMode)(tempRegValue & 0x0C); } /** * @brief Enables/Disables the CS Timeout Mask. If enabled CS value contributes to timeout disabling. * @param xNewState new state for CS Timeout Mask. * This parameter can be S_ENABLE or S_DISABLE. * @retval None. */ void SpiritQiCsTimeoutMask(SpiritFunctionalState xNewState) { uint8_t tempRegValue; /* Check the parameters */ s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(xNewState)); /* Reads the PROTOCOL2 register value */ g_xStatus = SpiritSpiReadRegisters(PROTOCOL2_BASE, 1, &tempRegValue); /* Enables or disables the CS timeout mask */ if(xNewState == S_ENABLE) { tempRegValue |= PROTOCOL2_CS_TIMEOUT_MASK; } else { tempRegValue &= ~PROTOCOL2_CS_TIMEOUT_MASK; } /* Writes the new value on the PROTOCOL2 register */ g_xStatus = SpiritSpiWriteRegisters(PROTOCOL2_BASE, 1, &tempRegValue); } /** * @brief Enables/Disables the PQI Timeout Mask. If enabled PQI value contributes to timeout disabling. * @param xNewState new state for PQI Timeout Mask. * This parameter can be S_ENABLE or S_DISABLE. * @retval None. */ void SpiritQiPqiTimeoutMask(SpiritFunctionalState xNewState) { uint8_t tempRegValue; /* Check the parameters */ s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(xNewState)); /* Reads the PROTOCOL2 register */ g_xStatus = SpiritSpiReadRegisters(PROTOCOL2_BASE, 1, &tempRegValue); /* Enables or disables the PQI timeout mask */ if(xNewState == S_ENABLE) { tempRegValue |= PROTOCOL2_PQI_TIMEOUT_MASK; } else { tempRegValue &= ~PROTOCOL2_PQI_TIMEOUT_MASK; } /* Writes the new value on the PROTOCOL2 register */ g_xStatus = SpiritSpiWriteRegisters(PROTOCOL2_BASE, 1, &tempRegValue); } /** * @brief Enables/Disables the SQI Timeout Mask. If enabled SQI value contributes to timeout disabling. * @param xNewState new state for SQI Timeout Mask. * This parameter can be S_ENABLE or S_DISABLE. * @retval None. */ void SpiritQiSqiTimeoutMask(SpiritFunctionalState xNewState) { uint8_t tempRegValue; /* Check the parameters */ s_assert_param(IS_SPIRIT_FUNCTIONAL_STATE(xNewState)); /* Reads the PROTOCOL2 register */ g_xStatus = SpiritSpiReadRegisters(PROTOCOL2_BASE, 1, &tempRegValue); /* Enables or disables the SQI timeout mask */ if(xNewState == S_ENABLE) { tempRegValue |= PROTOCOL2_SQI_TIMEOUT_MASK; } else { tempRegValue &= ~PROTOCOL2_SQI_TIMEOUT_MASK; } /* Writes the new value on the PROTOCOL2 register */ g_xStatus = SpiritSpiWriteRegisters(PROTOCOL2_BASE, 1, &tempRegValue); } /** *@} */ /** *@} */ /** *@} */ /******************* (C) COPYRIGHT 2015 STMicroelectronics *****END OF FILE****/