|
@@ -24,7 +24,180 @@
|
|
#include <linux/iio/buffer.h>
|
|
#include <linux/iio/buffer.h>
|
|
#include <linux/iio/imu/adis.h>
|
|
#include <linux/iio/imu/adis.h>
|
|
|
|
|
|
-#include "adis16240.h"
|
|
|
|
|
|
+#define ADIS16240_STARTUP_DELAY 220 /* ms */
|
|
|
|
+
|
|
|
|
+/* Flash memory write count */
|
|
|
|
+#define ADIS16240_FLASH_CNT 0x00
|
|
|
|
+
|
|
|
|
+/* Output, power supply */
|
|
|
|
+#define ADIS16240_SUPPLY_OUT 0x02
|
|
|
|
+
|
|
|
|
+/* Output, x-axis accelerometer */
|
|
|
|
+#define ADIS16240_XACCL_OUT 0x04
|
|
|
|
+
|
|
|
|
+/* Output, y-axis accelerometer */
|
|
|
|
+#define ADIS16240_YACCL_OUT 0x06
|
|
|
|
+
|
|
|
|
+/* Output, z-axis accelerometer */
|
|
|
|
+#define ADIS16240_ZACCL_OUT 0x08
|
|
|
|
+
|
|
|
|
+/* Output, auxiliary ADC input */
|
|
|
|
+#define ADIS16240_AUX_ADC 0x0A
|
|
|
|
+
|
|
|
|
+/* Output, temperature */
|
|
|
|
+#define ADIS16240_TEMP_OUT 0x0C
|
|
|
|
+
|
|
|
|
+/* Output, x-axis acceleration peak */
|
|
|
|
+#define ADIS16240_XPEAK_OUT 0x0E
|
|
|
|
+
|
|
|
|
+/* Output, y-axis acceleration peak */
|
|
|
|
+#define ADIS16240_YPEAK_OUT 0x10
|
|
|
|
+
|
|
|
|
+/* Output, z-axis acceleration peak */
|
|
|
|
+#define ADIS16240_ZPEAK_OUT 0x12
|
|
|
|
+
|
|
|
|
+/* Output, sum-of-squares acceleration peak */
|
|
|
|
+#define ADIS16240_XYZPEAK_OUT 0x14
|
|
|
|
+
|
|
|
|
+/* Output, Capture Buffer 1, X and Y acceleration */
|
|
|
|
+#define ADIS16240_CAPT_BUF1 0x16
|
|
|
|
+
|
|
|
|
+/* Output, Capture Buffer 2, Z acceleration */
|
|
|
|
+#define ADIS16240_CAPT_BUF2 0x18
|
|
|
|
+
|
|
|
|
+/* Diagnostic, error flags */
|
|
|
|
+#define ADIS16240_DIAG_STAT 0x1A
|
|
|
|
+
|
|
|
|
+/* Diagnostic, event counter */
|
|
|
|
+#define ADIS16240_EVNT_CNTR 0x1C
|
|
|
|
+
|
|
|
|
+/* Diagnostic, check sum value from firmware test */
|
|
|
|
+#define ADIS16240_CHK_SUM 0x1E
|
|
|
|
+
|
|
|
|
+/* Calibration, x-axis acceleration offset adjustment */
|
|
|
|
+#define ADIS16240_XACCL_OFF 0x20
|
|
|
|
+
|
|
|
|
+/* Calibration, y-axis acceleration offset adjustment */
|
|
|
|
+#define ADIS16240_YACCL_OFF 0x22
|
|
|
|
+
|
|
|
|
+/* Calibration, z-axis acceleration offset adjustment */
|
|
|
|
+#define ADIS16240_ZACCL_OFF 0x24
|
|
|
|
+
|
|
|
|
+/* Clock, hour and minute */
|
|
|
|
+#define ADIS16240_CLK_TIME 0x2E
|
|
|
|
+
|
|
|
|
+/* Clock, month and day */
|
|
|
|
+#define ADIS16240_CLK_DATE 0x30
|
|
|
|
+
|
|
|
|
+/* Clock, year */
|
|
|
|
+#define ADIS16240_CLK_YEAR 0x32
|
|
|
|
+
|
|
|
|
+/* Wake-up setting, hour and minute */
|
|
|
|
+#define ADIS16240_WAKE_TIME 0x34
|
|
|
|
+
|
|
|
|
+/* Wake-up setting, month and day */
|
|
|
|
+#define ADIS16240_WAKE_DATE 0x36
|
|
|
|
+
|
|
|
|
+/* Alarm 1 amplitude threshold */
|
|
|
|
+#define ADIS16240_ALM_MAG1 0x38
|
|
|
|
+
|
|
|
|
+/* Alarm 2 amplitude threshold */
|
|
|
|
+#define ADIS16240_ALM_MAG2 0x3A
|
|
|
|
+
|
|
|
|
+/* Alarm control */
|
|
|
|
+#define ADIS16240_ALM_CTRL 0x3C
|
|
|
|
+
|
|
|
|
+/* Capture, external trigger control */
|
|
|
|
+#define ADIS16240_XTRIG_CTRL 0x3E
|
|
|
|
+
|
|
|
|
+/* Capture, address pointer */
|
|
|
|
+#define ADIS16240_CAPT_PNTR 0x40
|
|
|
|
+
|
|
|
|
+/* Capture, configuration and control */
|
|
|
|
+#define ADIS16240_CAPT_CTRL 0x42
|
|
|
|
+
|
|
|
|
+/* General-purpose digital input/output control */
|
|
|
|
+#define ADIS16240_GPIO_CTRL 0x44
|
|
|
|
+
|
|
|
|
+/* Miscellaneous control */
|
|
|
|
+#define ADIS16240_MSC_CTRL 0x46
|
|
|
|
+
|
|
|
|
+/* Internal sample period (rate) control */
|
|
|
|
+#define ADIS16240_SMPL_PRD 0x48
|
|
|
|
+
|
|
|
|
+/* System command */
|
|
|
|
+#define ADIS16240_GLOB_CMD 0x4A
|
|
|
|
+
|
|
|
|
+/* MSC_CTRL */
|
|
|
|
+
|
|
|
|
+/* Enables sum-of-squares output (XYZPEAK_OUT) */
|
|
|
|
+#define ADIS16240_MSC_CTRL_XYZPEAK_OUT_EN BIT(15)
|
|
|
|
+
|
|
|
|
+/* Enables peak tracking output (XPEAK_OUT, YPEAK_OUT, and ZPEAK_OUT) */
|
|
|
|
+#define ADIS16240_MSC_CTRL_X_Y_ZPEAK_OUT_EN BIT(14)
|
|
|
|
+
|
|
|
|
+/* Self-test enable: 1 = apply electrostatic force, 0 = disabled */
|
|
|
|
+#define ADIS16240_MSC_CTRL_SELF_TEST_EN BIT(8)
|
|
|
|
+
|
|
|
|
+/* Data-ready enable: 1 = enabled, 0 = disabled */
|
|
|
|
+#define ADIS16240_MSC_CTRL_DATA_RDY_EN BIT(2)
|
|
|
|
+
|
|
|
|
+/* Data-ready polarity: 1 = active high, 0 = active low */
|
|
|
|
+#define ADIS16240_MSC_CTRL_ACTIVE_HIGH BIT(1)
|
|
|
|
+
|
|
|
|
+/* Data-ready line selection: 1 = DIO2, 0 = DIO1 */
|
|
|
|
+#define ADIS16240_MSC_CTRL_DATA_RDY_DIO2 BIT(0)
|
|
|
|
+
|
|
|
|
+/* DIAG_STAT */
|
|
|
|
+
|
|
|
|
+/* Alarm 2 status: 1 = alarm active, 0 = alarm inactive */
|
|
|
|
+#define ADIS16240_DIAG_STAT_ALARM2 BIT(9)
|
|
|
|
+
|
|
|
|
+/* Alarm 1 status: 1 = alarm active, 0 = alarm inactive */
|
|
|
|
+#define ADIS16240_DIAG_STAT_ALARM1 BIT(8)
|
|
|
|
+
|
|
|
|
+/* Capture buffer full: 1 = capture buffer is full */
|
|
|
|
+#define ADIS16240_DIAG_STAT_CPT_BUF_FUL BIT(7)
|
|
|
|
+
|
|
|
|
+/* Flash test, checksum flag: 1 = mismatch, 0 = match */
|
|
|
|
+#define ADIS16240_DIAG_STAT_CHKSUM BIT(6)
|
|
|
|
+
|
|
|
|
+/* Power-on, self-test flag: 1 = failure, 0 = pass */
|
|
|
|
+#define ADIS16240_DIAG_STAT_PWRON_FAIL_BIT 5
|
|
|
|
+
|
|
|
|
+/* Power-on self-test: 1 = in-progress, 0 = complete */
|
|
|
|
+#define ADIS16240_DIAG_STAT_PWRON_BUSY BIT(4)
|
|
|
|
+
|
|
|
|
+/* SPI communications failure */
|
|
|
|
+#define ADIS16240_DIAG_STAT_SPI_FAIL_BIT 3
|
|
|
|
+
|
|
|
|
+/* Flash update failure */
|
|
|
|
+#define ADIS16240_DIAG_STAT_FLASH_UPT_BIT 2
|
|
|
|
+
|
|
|
|
+/* Power supply above 3.625 V */
|
|
|
|
+#define ADIS16240_DIAG_STAT_POWER_HIGH_BIT 1
|
|
|
|
+
|
|
|
|
+ /* Power supply below 3.15 V */
|
|
|
|
+#define ADIS16240_DIAG_STAT_POWER_LOW_BIT 0
|
|
|
|
+
|
|
|
|
+/* GLOB_CMD */
|
|
|
|
+
|
|
|
|
+#define ADIS16240_GLOB_CMD_RESUME BIT(8)
|
|
|
|
+#define ADIS16240_GLOB_CMD_SW_RESET BIT(7)
|
|
|
|
+#define ADIS16240_GLOB_CMD_STANDBY BIT(2)
|
|
|
|
+
|
|
|
|
+#define ADIS16240_ERROR_ACTIVE BIT(14)
|
|
|
|
+
|
|
|
|
+/* At the moment triggers are only used for ring buffer
|
|
|
|
+ * filling. This may change!
|
|
|
|
+ */
|
|
|
|
+
|
|
|
|
+#define ADIS16240_SCAN_ACC_X 0
|
|
|
|
+#define ADIS16240_SCAN_ACC_Y 1
|
|
|
|
+#define ADIS16240_SCAN_ACC_Z 2
|
|
|
|
+#define ADIS16240_SCAN_SUPPLY 3
|
|
|
|
+#define ADIS16240_SCAN_AUX_ADC 4
|
|
|
|
+#define ADIS16240_SCAN_TEMP 5
|
|
|
|
|
|
static ssize_t adis16240_spi_read_signed(struct device *dev,
|
|
static ssize_t adis16240_spi_read_signed(struct device *dev,
|
|
struct device_attribute *attr,
|
|
struct device_attribute *attr,
|