1 files changed, 146 insertions, 0 deletions

diff --git a/lib/chibios-contrib/ext/mcux-sdk/components/mma8451q/fsl_mma.h b/lib/chibios-contrib/ext/mcux-sdk/components/mma8451q/fsl_mma.h
new file mode 100644
index 000000000..ffc58eea4
--- /dev/null
+++ b/lib/chibios-contrib/ext/mcux-sdk/components/mma8451q/fsl_mma.h
@@ -0,0 +1,146 @@
+/*
+ * Copyright (c) 2015, Freescale Semiconductor, Inc.
+ * Copyright 2016-2017 NXP
+ * All rights reserved.
+ *
+ * SPDX-License-Identifier: BSD-3-Clause
+ */
+
+#ifndef _FSL_MMA8451Q_H_
+#define _FSL_MMA8451Q_H_
+
+#include "fsl_common.h"
+
+#define WHO_AM_I_REG                   kMMA8451_WHO_AM_I
+#define MMA8451Q_ACCEL_RESOLUTION_BITS 14
+
+/*!
+ * @brief Register definitions for the MMA8451.
+ */
+enum _mma8451_constants
+{
+    kMMA8451_STATUS             = 0x00,
+    kMMA8451_OUT_X_MSB          = 0x01,
+    kMMA8451_OUT_X_LSB          = 0x02,
+    kMMA8451_OUT_Y_MSB          = 0x03,
+    kMMA8451_OUT_Y_LSB          = 0x04,
+    kMMA8451_OUT_Z_MSB          = 0x05,
+    kMMA8451_OUT_Z_LSB          = 0x06,
+    kMMA8451_F_SETUP            = 0x09,
+    kMMA8451_TRIG_CFG           = 0x0a,
+    kMMA8451_SYSMOD             = 0x0b,
+    kMMA8451_INT_SOURCE         = 0x0c,
+    kMMA8451_WHO_AM_I           = 0x0d,
+    kMMA8451_WHO_AM_I_Device_ID = 0x1a,
+    kMMA8451_XYZ_DATA_CFG       = 0x0e,
+    kMMA8451_CTRL_REG1          = 0x2a,
+    kMMA8451_CTRL_REG2          = 0x2b,
+    kMMA8451_CTRL_REG3          = 0x2c,
+    kMMA8451_CTRL_REG4          = 0x2d,
+    kMMA8451_CTRL_REG5          = 0x2e
+};
+
+typedef struct _mma_data
+{
+    uint8_t accelXMSB;
+    uint8_t accelXLSB;
+    uint8_t accelYMSB;
+    uint8_t accelYLSB;
+    uint8_t accelZMSB;
+    uint8_t accelZLSB;
+} mma_data_t;
+
+/*! @brief Define I2C access function. */
+typedef status_t (*I2C_SendFunc_t)(uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, uint32_t txBuff);
+typedef status_t (*I2C_ReceiveFunc_t)(
+    uint8_t deviceAddress, uint32_t subAddress, uint8_t subaddressSize, uint8_t *rxBuff, uint8_t rxBuffSize);
+
+/*! @brief mma8451q configure definition. This structure should be global.*/
+typedef struct _mma_handle
+{
+    /* Pointer to the user-defined I2C Send Data function. */
+    I2C_SendFunc_t I2C_SendFunc;
+    /* Pointer to the user-defined I2C Receive Data function. */
+    I2C_ReceiveFunc_t I2C_ReceiveFunc;
+    /* The I2C slave address . */
+    uint8_t slaveAddress;
+} mma_handle_t;
+
+/*! @brief mma8451q configure structure.*/
+typedef struct _mma_config
+{
+    /* Pointer to the user-defined I2C Send Data function. */
+    I2C_SendFunc_t I2C_SendFunc;
+    /* Pointer to the user-defined I2C Receive Data function. */
+    I2C_ReceiveFunc_t I2C_ReceiveFunc;
+    /* The I2C slave address . */
+    uint8_t slaveAddress;
+} mma_config_t;
+
+/*******************************************************************************
+ * API
+ ******************************************************************************/
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * @brief Initialize the MMA8451 driver instance.
+ *
+ * @param accel_device Device driver state structure that will be filled in by this function.
+ *      It is the responsibility of the caller to provide storage for this structure, and
+ *      to free that storage when the driver is no longer needed.
+ *
+ * @return kStatus_Success if success or kStatus_Fail if error.
+ */
+status_t MMA_Init(mma_handle_t *handle, mma_config_t *config);
+
+/*!
+ * @brief Read the current acceleration values.
+ *
+ * @param handle Pointer to a valid accel_device instance structure.
+ * @param accel Pointer to a structure that will be filled in with the current acceleration
+ *      values for all three axes.
+ *
+ * @return kStatus_Success if success or kStatus_Fail if error.
+ */
+status_t MMA_ReadSensorData(mma_handle_t *handle, mma_data_t *accel);
+
+/*!
+ * @brief Read the value of register in accelerometer.
+ *
+ * @param handle Pointer to a valid accel_device instance structure.
+ * @param reg variable store address of register
+ * @param val pointer store return value.
+ *
+ * @return kStatus_Success if success or kStatus_Fail if error.
+ */
+status_t MMA_ReadReg(mma_handle_t *handle, uint8_t reg, uint8_t *val);
+
+/*!
+ * @brief Write the value to register of accelerometer.
+ *
+ * @param handle Pointer to a valid accel_device instance structure.
+ * @param reg variable store address of register
+ * @param val pointer store value which is writen to accelerometer.
+ *
+ * @return kStatus_Success if success or kStatus_Fail if error.
+ */
+status_t MMA_WriteReg(mma_handle_t *handle, uint8_t reg, uint8_t val);
+
+/*!
+ * @brief Get device accelerator resolution bits.
+ *
+ * @return accelerator resolution bits.
+ */
+static inline uint8_t MMA_GetResolutionBits(void)
+{
+    return MMA8451Q_ACCEL_RESOLUTION_BITS;
+}
+
+#if defined(__cplusplus)
+}
+#endif
+
+#endif /* _FSL_MMA8451Q_H_ */