Revert "Official MA 5.1.2 - RC11 Release"

This reverts commit 6a4d9a48ffde124c498496f6dae1e77c2cae6864

Change-Id: I85c4b326a2adf930fcd4a64e4c4f36e99f4fa4cb

1 files changed, 83 insertions, 0 deletions

diff --git a/libsensors_iio/software/core/HAL/include/inv_sysfs_utils.h b/libsensors_iio/software/core/HAL/include/inv_sysfs_utils.h
new file mode 100644
index 0000000..fce28ae
--- /dev/null
+++ b/libsensors_iio/software/core/HAL/include/inv_sysfs_utils.h
@@ -0,0 +1,83 @@
+/**
+ *  @brief    Provides helpful file IO wrappers for use with sysfs.
+ *  @details  Based on Jonathan Cameron's @e iio_utils.h.
+ */
+
+#ifndef _INV_SYSFS_UTILS_H_
+#define _INV_SYSFS_UTILS_H_
+
+/**
+ *  struct inv_sysfs_names_s - Files needed by user applications.
+ *  @buffer:		Ring buffer attached to FIFO.
+ *  @enable:		Turns on HW-to-ring buffer flow.
+ *  @raw_data:		Raw data from registers.
+ *  @temperature:	Temperature data from register.
+ *  @fifo_rate:		FIFO rate/ODR.
+ *  @power_state:	Power state (this is a five-star comment).
+ *  @fsr:		Full-scale range.
+ *  @lpf:		Digital low pass filter.
+ *  @scale:		LSBs / dps (or LSBs / Gs).
+ *  @temp_scale:	LSBs / degrees C.
+ *  @temp_offset:	Offset in LSBs.
+ */
+struct inv_sysfs_names_s {
+
+	//Sysfs for ITG3500 & MPU6050
+	const char *buffer;
+	const char *enable;
+	const char *raw_data;		//Raw Gyro data
+	const char *temperature;
+	const char *fifo_rate;
+	const char *power_state;
+	const char *fsr;
+	const char *lpf;
+	const char *scale;			//Gyro scale
+	const char *temp_scale;
+	const char *temp_offset;
+	const char *self_test;
+	//Starting Sysfs available for MPU6050 only
+	const char *accel_en;
+	const char *accel_fifo_en;
+	const char *accel_fs;
+	const char *clock_source;
+	const char *early_suspend_en;
+	const char *firmware_loaded;
+	const char *gyro_en;
+	const char *gyro_fifo_en;
+	const char *key;
+	const char *raw_accel;
+	const char *reg_dump;
+	const char *tap_on;
+	const char *dmp_firmware;
+};
+
+/* File IO. Typically won't be called directly by user application, but they'll
+ * be here for your enjoyment.
+ */
+int inv_sysfs_write(char *filename, long data);
+int inv_sysfs_read(char *filename, long num_bytes, char *data);
+
+/* Helper APIs to extract specific data. */
+int inv_read_buffer(int fd, long *data, long long *timestamp);
+int inv_read_raw(const struct inv_sysfs_names_s *names, long *data, 
+		 long long *timestamp);
+int inv_read_temperature_raw(const struct inv_sysfs_names_s *names, short *data,
+			     long long *timestamp);
+int inv_read_fifo_rate(const struct inv_sysfs_names_s *names, short *data);
+int inv_read_power_state(const struct inv_sysfs_names_s *names, char *data);
+int inv_read_scale(const struct inv_sysfs_names_s *names, float *data);
+int inv_read_temp_scale(const struct inv_sysfs_names_s *names, short *data);
+int inv_read_temp_offset(const struct inv_sysfs_names_s *names, short *data);
+int inv_write_fifo_rate(const struct inv_sysfs_names_s *names, short data);
+int inv_write_buffer_enable(const struct inv_sysfs_names_s *names, char data);
+int inv_write_power_state(const struct inv_sysfs_names_s *names, char data);
+
+/* Scaled data. */
+int inv_read_q16(const struct inv_sysfs_names_s *names, long *data,
+		 long long *timestamp);
+int inv_read_temp_q16(const struct inv_sysfs_names_s *names, long *data,
+                      long long *timestamp);
+
+#endif  /* #ifndef _INV_SYSFS_UTILS_H_ */
+
+