/* * Copyright 2023 NXP * All rights reserved. * * SPDX-License-Identifier: BSD-3-Clause */ /** * @file fxls8961af_spi.c * @brief The fxls8961af_spi.c file implements the ISSDK FXLS8961AF SPI sensor driver * example demonstration for SPI Mode with polling. */ //----------------------------------------------------------------------- // SDK Includes //----------------------------------------------------------------------- #include "pin_mux.h" #include "clock_config.h" #include "board.h" #include "fsl_debug_console.h" //----------------------------------------------------------------------- // ISSDK Includes //----------------------------------------------------------------------- #include "issdk_hal.h" #include "gpio_driver.h" #include "fxls8961_drv.h" #include "systick_utils.h" //----------------------------------------------------------------------- // CMSIS Includes //----------------------------------------------------------------------- #include "Driver_SPI.h" //----------------------------------------------------------------------- // Macros //----------------------------------------------------------------------- #define FXLS8961_DATA_SIZE (6) //----------------------------------------------------------------------- // Constants //----------------------------------------------------------------------- /*! @brief Register settings for Normal (non buffered) mode. */ const registerwritelist_t cFxls8961ConfigNormal[] = { /* Set Full-scale range as 2G. */ {FXLS8961_SENS_CONFIG1, FXLS8961_SENS_CONFIG1_FSR_2G, FXLS8961_SENS_CONFIG1_FSR_MASK}, /* Set Wake Mode ODR Rate as 6.25Hz. */ {FXLS8961_SENS_CONFIG3, FXLS8961_SENS_CONFIG3_WAKE_ODR_6_25HZ, FXLS8961_SENS_CONFIG3_WAKE_ODR_MASK}, __END_WRITE_DATA__}; /*! @brief Address of DATA Ready Status Register. */ const registerreadlist_t cFxls8961DRDYEvent[] = {{.readFrom = FXLS8961_INT_STATUS, .numBytes = 1}, __END_READ_DATA__}; /*! @brief Address of Raw Accel Data in Normal Mode. */ const registerreadlist_t cFxls8961OutputNormal[] = {{.readFrom = FXLS8961_OUT_X_LSB, .numBytes = FXLS8961_DATA_SIZE}, __END_READ_DATA__}; //----------------------------------------------------------------------- // Functions //----------------------------------------------------------------------- /*! ----------------------------------------------------------------------- * @brief This is the The main function implementation. * @details This function invokes board initializes routines, then then brings up the sensor and * finally enters an endless loop to continuously read available samples. * @param[in] void This is no input parameter. * @return void There is no return value. * @constraints None * @reeentrant No * -----------------------------------------------------------------------*/ int main(void) { int32_t status; uint8_t whoami; uint8_t gFxls8961DataReady; uint8_t data[FXLS8961_DATA_SIZE]; fxls8961_acceldata_t rawData; ARM_DRIVER_SPI *pSPIdriver = &SPI_S_DRIVER; fxls8961_spi_sensorhandle_t fxls8961Driver; /*! Initialize the MCU hardware. */ BOARD_InitPins(); BOARD_BootClockRUN(); BOARD_SystickEnable(); BOARD_InitDebugConsole(); PRINTF("\r\n ISSDK FXLS8961 sensor driver example demonstration for SPI with Poll Mode.\r\n"); /*! Initialize the SPI driver. */ status = pSPIdriver->Initialize(SPI_S_SIGNAL_EVENT); if (ARM_DRIVER_OK != status) { PRINTF("\r\n SPI Initialization Failed\r\n"); return -1; } /*! Set the SPI Power mode. */ status = pSPIdriver->PowerControl(ARM_POWER_FULL); if (ARM_DRIVER_OK != status) { PRINTF("\r\n SPI Power Mode setting Failed\r\n"); return -1; } /*! Set the SPI Slave speed. */ status = pSPIdriver->Control(ARM_SPI_MODE_MASTER | ARM_SPI_CPOL0_CPHA0, SPI_S_BAUDRATE); if (ARM_DRIVER_OK != status) { PRINTF("\r\n SPI Control Mode setting Failed\r\n"); return -1; } /*! Initialize the fxls8961 sensor driver. */ status = FXLS8961_SPI_Initialize(&fxls8961Driver, &SPI_S_DRIVER, SPI_S_DEVICE_INDEX, &FXLS8961_CS, &whoami); if (SENSOR_ERROR_NONE != status) { PRINTF("\r\n FXLS8961 Sensor Initialization Failed\r\n"); return -1; } if ((FXLS8964_WHOAMI_VALUE == whoami) || (FXLS8967_WHOAMI_VALUE == whoami)) { PRINTF("\r\n Successfully Initialized Gemini with WHO_AM_I = 0x%X\r\n", whoami); } else if ((FXLS8974_WHOAMI_VALUE == whoami) || (FXLS8968_WHOAMI_VALUE == whoami)) { PRINTF("\r\n Successfully Initialized Timandra with WHO_AM_I = 0x%X\r\n", whoami); } else if ((FXLS8971_WHOAMI_VALUE == whoami) || (FXLS8961_WHOAMI_VALUE == whoami)) { PRINTF("\r\n Successfully Initialized Chiron with WHO_AM_I = 0x%X\r\n", whoami); } else if (FXLS8962_WHOAMI_VALUE == whoami) { PRINTF("\r\n Successfully Initialized Newstein with WHO_AM_I = 0x%X\r\n", whoami); } else { PRINTF("\r\n Bad WHO_AM_I = 0x%X\r\n", whoami); } /*! Set the task to be executed while waiting for SPI transactions to complete. */ FXLS8961_SPI_SetIdleTask(&fxls8961Driver, (registeridlefunction_t)SMC_SetPowerModeVlpr, SMC); /*! Configure the FXLS8961 sensor driver. */ status = FXLS8961_SPI_Configure(&fxls8961Driver, cFxls8961ConfigNormal); if (SENSOR_ERROR_NONE != status) { PRINTF("\r\n FXLS8961 Sensor Configuration Failed, Err = %d\r\n", status); return -1; } PRINTF("\r\n Successfully Applied FXLS8961 Sensor Configuration\r\n"); for (;;) /* Forever loop */ { /*! Wait for data ready from the FXLS8961. */ status = FXLS8961_SPI_ReadData(&fxls8961Driver, cFxls8961DRDYEvent, &gFxls8961DataReady); if (0 == (gFxls8961DataReady & FXLS8961_INT_STATUS_SRC_DRDY_MASK)) { /* Loop, if new sample is not available. */ continue; } /*! Read the raw sensor data from the FXLS8961. */ status = FXLS8961_SPI_ReadData(&fxls8961Driver, cFxls8961OutputNormal, data); if (ARM_DRIVER_OK != status) { PRINTF("\r\nRead Failed.\r\n"); return -1; } /*! Convert the raw sensor data for display to the debug port. */ rawData.accel[0] = ((int16_t)data[1] << 8) | data[0]; rawData.accel[1] = ((int16_t)data[3] << 8) | data[2]; rawData.accel[2] = ((int16_t)data[5] << 8) | data[4]; /* NOTE: PRINTF is relatively expensive in terms of CPU time, specially when used with-in execution loop. */ PRINTF("\r\n X=%5d Y=%5d Z=%5d\r\n", rawData.accel[0], rawData.accel[1], rawData.accel[2]); } }