mirror of
https://gitee.com/mirrors_PX4/PX4-Autopilot.git
synced 2026-05-23 11:27:34 +08:00
Kick the BMA180 driver mostly into shape. Still not reading data correctly.
This commit is contained in:
+338
-248
@@ -37,12 +37,11 @@
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#include <nuttx/config.h>
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#include <device/spi.h>
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#include <sys/types.h>
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#include <stdint.h>
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdlib.h>
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#include <semaphore.h>
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#include <string.h>
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#include <fcntl.h>
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@@ -52,14 +51,71 @@
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#include <math.h>
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#include <unistd.h>
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#include <systemlib/perf_counter.h>
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#include <systemlib/err.h>
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#include <nuttx/arch.h>
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#include <nuttx/wqueue.h>
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#include <nuttx/clock.h>
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#include <arch/board/up_hrt.h>
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#include <arch/board/board.h>
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#include <drivers/device/spi.h>
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#include <drivers/drv_accel.h>
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/* oddly, ERROR is not defined for c++ */
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#ifdef ERROR
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# undef ERROR
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#endif
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static const int ERROR = -1;
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#define DIR_READ (1<<7)
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#define DIR_WRITE (0<<7)
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#define ADDR_CHIP_ID 0x00
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#define CHIP_ID 0x03
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#define ADDR_ACC_X_LSB 0x02
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#define ADDR_ACC_Y_LSB 0x04
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#define ADDR_ACC_Z_LSB 0x06
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#define ADDR_TEMPERATURE 0x08
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#define ADDR_RESET 0x10
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#define SOFT_RESET 0xB6
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#define ADDR_BW_TCS 0x20
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#define BW_TCS_BW_MASK (0xf<<4)
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#define BW_TCS_BW_10HZ (0<<4)
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#define BW_TCS_BW_20HZ (1<<4)
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#define BW_TCS_BW_40HZ (2<<4)
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#define BW_TCS_BW_75HZ (3<<4)
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#define BW_TCS_BW_150HZ (4<<4)
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#define BW_TCS_BW_300HZ (5<<4)
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#define BW_TCS_BW_600HZ (6<<4)
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#define BW_TCS_BW_1200HZ (7<<4)
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#define ADDR_HIGH_DUR 0x27
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#define HIGH_DUR_DIS_I2C (1<<0)
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#define ADDR_TCO_Z 0x30
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#define TCO_Z_MODE_MASK 0x3
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#define ADDR_GAIN_Y 0x33
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#define GAIN_Y_SHADOW_DIS (1<<0)
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#define ADDR_OFFSET_LSB1 0x35
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#define OFFSET_LSB1_RANGE_MASK (7<<1)
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#define OFFSET_LSB1_RANGE_1G (0<<1)
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#define OFFSET_LSB1_RANGE_2G (2<<1)
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#define OFFSET_LSB1_RANGE_3G (3<<1)
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#define OFFSET_LSB1_RANGE_4G (4<<1)
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#define OFFSET_LSB1_RANGE_8G (5<<1)
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#define OFFSET_LSB1_RANGE_16G (6<<1)
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#define ADDR_OFFSET_T 0x37
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#define OFFSET_T_READOUT_12BIT (1<<0)
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extern "C" { __EXPORT int bma180_main(int argc, char *argv[]); }
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class BMA180 : public device::SPI
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@@ -73,9 +129,6 @@ public:
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virtual ssize_t read(struct file *filp, char *buffer, size_t buflen);
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virtual int ioctl(struct file *filp, int cmd, unsigned long arg);
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virtual int open_first(struct file *filp);
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virtual int close_last(struct file *filp);
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/**
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* Diagnostics - print some basic information about the driver.
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*/
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@@ -94,10 +147,15 @@ private:
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volatile unsigned _oldest_report;
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struct accel_report *_reports;
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struct accel_scale _scale;
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float _range_scale;
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struct accel_scale _accel_scale;
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float _accel_range_scale;
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float _accel_range_m_s2;
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orb_advert_t _accel_topic;
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unsigned _reads;
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unsigned _current_lowpass;
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unsigned _current_range;
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perf_counter_t _sample_perf;
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/**
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* Start automatic measurement.
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@@ -161,88 +219,44 @@ private:
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int set_range(unsigned max_g);
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/**
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* Set the BMA180 lowpass filter.
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* Set the BMA180 internal lowpass filter frequency.
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*
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* @param frequency Set the lowpass filter cutoff frequency to no less than
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* this frequency.
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* @param frequency The internal lowpass filter frequency is set to a value
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* equal or greater to this.
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* Zero selects the highest frequency supported.
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* @return OK if the value can be supported.
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*/
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int set_bandwidth(unsigned frequency);
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int set_lowpass(unsigned frequency);
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};
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/* helper macro for handling report buffer indices */
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#define INCREMENT(_x, _lim) do { _x++; if (_x >= _lim) _x = 0; } while(0)
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#define DIR_READ (1<<7)
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#define DIR_WRITE (0<<7)
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#define ADDR_CHIP_ID 0x00
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#define CHIP_ID 0x03
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#define ADDR_ACC_X_LSB 0x02
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#define ADDR_ACC_Y_LSB 0x04
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#define ADDR_ACC_Z_LSB 0x06
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#define ADDR_TEMPERATURE 0x08
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#define ADDR_RESET 0x10
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#define SOFT_RESET 0xB6
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#define ADDR_BW_TCS 0x20
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#define BW_TCS_BW_MASK (0xf<<4)
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#define BW_TCS_BW_10HZ (0<<4)
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#define BW_TCS_BW_20HZ (1<<4)
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#define BW_TCS_BW_40HZ (2<<4)
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#define BW_TCS_BW_75HZ (3<<4)
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#define BW_TCS_BW_150HZ (4<<4)
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#define BW_TCS_BW_300HZ (5<<4)
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#define BW_TCS_BW_600HZ (6<<4)
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#define BW_TCS_BW_1200HZ (7<<4)
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#define ADDR_HIGH_DUR 0x27
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#define HIGH_DUR_DIS_I2C (1<<0)
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#define ADDR_TCO_Z 0x30
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#define TCO_Z_MODE_MASK 0x3
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#define ADDR_GAIN_Y 0x33
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#define GAIN_Y_SHADOW_DIS (1<<0)
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#define ADDR_OFFSET_LSB1 0x35
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#define OFFSET_LSB1_RANGE_MASK (7<<1)
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#define OFFSET_LSB1_RANGE_1G (0<<1)
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#define OFFSET_LSB1_RANGE_2G (2<<1)
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#define OFFSET_LSB1_RANGE_3G (3<<1)
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#define OFFSET_LSB1_RANGE_4G (4<<1)
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#define OFFSET_LSB1_RANGE_8G (5<<1)
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#define OFFSET_LSB1_RANGE_16G (6<<1)
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#define ADDR_OFFSET_T 0x37
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#define OFFSET_T_READOUT_12BIT (1<<0)
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/*
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* Driver 'main' command.
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*/
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extern "C" { int bma180_main(int argc, char *argv[]); }
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BMA180::BMA180(int bus, spi_dev_e device) :
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SPI("BMA180", ACCEL_DEVICE_PATH, bus, device, SPIDEV_MODE3, 8000000),
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_call_interval(0),
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_num_reports(0),
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_next_report(0),
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_oldest_report(0),
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_reports(nullptr),
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_reads(0)
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_accel_range_scale(0.0f),
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_accel_range_m_s2(0.0f),
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_accel_topic(-1),
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_current_lowpass(0),
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_current_range(0),
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_sample_perf(perf_alloc(PC_ELAPSED, "bma180_read"))
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{
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// enable debug() calls
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_debug_enabled = true;
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// default scale factors
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_scale.x_offset = 0;
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_scale.x_scale = 1.0f;
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_scale.y_offset = 0;
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_scale.y_scale = 1.0f;
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_scale.z_offset = 0;
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_scale.z_scale = 1.0f;
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_accel_scale.x_offset = 0;
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_accel_scale.x_scale = 1.0f;
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_accel_scale.y_offset = 0;
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_accel_scale.y_scale = 1.0f;
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_accel_scale.z_offset = 0;
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_accel_scale.z_scale = 1.0f;
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}
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BMA180::~BMA180()
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@@ -253,77 +267,63 @@ BMA180::~BMA180()
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/* free any existing reports */
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if (_reports != nullptr)
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delete[] _reports;
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/* delete the perf counter */
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perf_free(_sample_perf);
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}
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int
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BMA180::init()
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{
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int ret;
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int ret = ERROR;
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/* do SPI init (and probe) first */
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ret = SPI::init();
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/* if probe/setup successful, finish chip init */
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if (ret == OK) {
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/* perform soft reset (p48) */
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write_reg(ADDR_RESET, SOFT_RESET);
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/* wait 10us (p49) */
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usleep(10);
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/* disable I2C interface */
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modify_reg(ADDR_HIGH_DUR, HIGH_DUR_DIS_I2C, 0);
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/* switch to low-noise mode */
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modify_reg(ADDR_TCO_Z, TCO_Z_MODE_MASK, 0);
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/* disable 12-bit mode */
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modify_reg(ADDR_OFFSET_T, OFFSET_T_READOUT_12BIT, 0);
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/* disable shadow-disable mode */
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modify_reg(ADDR_GAIN_Y, GAIN_Y_SHADOW_DIS, 0);
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}
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return ret;
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}
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int
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BMA180::open_first(struct file *filp)
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{
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/* reset to manual-poll mode */
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_call_interval = 0;
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if (SPI::init() != OK)
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goto out;
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/* allocate basic report buffers */
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_num_reports = 2;
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_reports = new struct accel_report[_num_reports];
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_oldest_report = _next_report = 0;
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_reports = new struct accel_report[_num_reports];
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if (_reports == nullptr)
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goto out;
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/* set default range and lowpass */
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set_range(4); /* 4G */
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set_bandwidth(600); /* 600Hz */
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/* advertise sensor topic */
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memset(&_reports[0], 0, sizeof(_reports[0]));
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_accel_topic = orb_advertise(ORB_ID(sensor_accel), &_reports[0]);
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return OK;
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}
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/* perform soft reset (p48) */
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write_reg(ADDR_RESET, SOFT_RESET);
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int
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BMA180::close_last(struct file *filp)
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{
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/* stop measurement */
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stop();
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/* wait 10us (p49) */
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usleep(10);
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/* free report buffers */
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if (_reports != nullptr) {
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delete[] _reports;
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_num_reports = 0;
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}
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/* disable I2C interface */
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modify_reg(ADDR_HIGH_DUR, HIGH_DUR_DIS_I2C, 0);
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return OK;
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/* switch to low-noise mode */
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modify_reg(ADDR_TCO_Z, TCO_Z_MODE_MASK, 0);
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/* disable 12-bit mode */
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modify_reg(ADDR_OFFSET_T, OFFSET_T_READOUT_12BIT, 0);
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/* disable shadow-disable mode */
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modify_reg(ADDR_GAIN_Y, GAIN_Y_SHADOW_DIS, 0);
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set_range(2);
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set_lowpass(75);
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ret = OK;
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out:
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return ret;
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}
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int
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BMA180::probe()
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{
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/* dummy read to ensure SPI state machine is sane */
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read_reg(ADDR_CHIP_ID);
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if (read_reg(ADDR_CHIP_ID) == CHIP_ID)
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return OK;
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@@ -356,8 +356,6 @@ BMA180::read(struct file *filp, char *buffer, size_t buflen)
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}
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}
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_reads++;
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/* if there was no data, warn the caller */
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return ret ? ret : -EAGAIN;
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}
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@@ -378,22 +376,29 @@ BMA180::ioctl(struct file *filp, int cmd, unsigned long arg)
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{
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switch (cmd) {
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case ACCELIOCSPOLLRATE: {
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case SENSORIOCSPOLLRATE: {
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switch (arg) {
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/* switching to manual polling */
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case ACC_POLLRATE_MANUAL:
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case SENSOR_POLLRATE_MANUAL:
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stop();
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_call_interval = 0;
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return OK;
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/* external signalling not supported */
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case ACC_POLLRATE_EXTERNAL:
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case SENSOR_POLLRATE_EXTERNAL:
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/* zero would be bad */
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case 0:
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return -EINVAL;
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/* set default/max polling rate */
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case SENSOR_POLLRATE_MAX:
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case SENSOR_POLLRATE_DEFAULT:
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/* XXX 500Hz is just a wild guess */
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return ioctl(filp, SENSORIOCSPOLLRATE, 500);
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/* adjust to a legal polling interval in Hz */
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default: {
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/* do we need to start internal polling? */
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@@ -408,7 +413,7 @@ BMA180::ioctl(struct file *filp, int cmd, unsigned long arg)
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/* update interval for next measurement */
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/* XXX this is a bit shady, but no other way to adjust... */
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_call.period = _call_interval;
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_call.period = _call_interval = ticks;
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/* if we need to start the poll state machine, do it */
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if (want_start)
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@@ -419,7 +424,15 @@ BMA180::ioctl(struct file *filp, int cmd, unsigned long arg)
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}
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}
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case ACCELIOCSQUEUEDEPTH: {
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case SENSORIOCGPOLLRATE:
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if (_call_interval == 0)
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return SENSOR_POLLRATE_MANUAL;
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return 1000000 / _call_interval;
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case SENSORIOCSQUEUEDEPTH: {
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/* account for sentinel in the ring */
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arg++;
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/* lower bound is mandatory, upper bound is a sanity check */
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if ((arg < 2) || (arg > 100))
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return -EINVAL;
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@@ -440,16 +453,41 @@ BMA180::ioctl(struct file *filp, int cmd, unsigned long arg)
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return OK;
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}
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case ACCELIOCSLOWPASS:
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return set_bandwidth(arg);
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case SENSORIOCGQUEUEDEPTH:
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return _num_reports -1;
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case ACCELIORANGE:
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return set_range(arg);
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case SENSORIOCRESET:
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/* XXX implement */
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return -EINVAL;
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case ACCELIOCSSAMPLERATE: /* sensor sample rate is not (really) adjustable */
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case ACCELIOCSREPORTFORMAT: /* no alternate report formats */
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return -EINVAL;
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case ACCELIOCGSAMPLERATE:
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return 1200; /* always operating in low-noise mode */
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case ACCELIOCSLOWPASS:
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return set_lowpass(arg);
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case ACCELIOCGLOWPASS:
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return _current_lowpass;
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case ACCELIOCSSCALE:
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/* copy scale in */
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memcpy(&_accel_scale, (struct accel_scale*) arg, sizeof(_accel_scale));
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return OK;
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case ACCELIOCGSCALE:
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/* copy scale out */
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memcpy((struct accel_scale*) arg, &_accel_scale, sizeof(_accel_scale));
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return OK;
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case ACCELIOCSRANGE:
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return set_range(arg);
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case ACCELIOCGRANGE:
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return _current_range;
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default:
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/* give it to the superclass */
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return SPI::ioctl(filp, cmd, arg);
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@@ -494,45 +532,43 @@ int
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BMA180::set_range(unsigned max_g)
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{
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uint8_t rangebits;
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float rangescale;
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if (max_g > 16) {
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if (max_g == 0)
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max_g = 16;
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if (max_g > 16)
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return -ERANGE;
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} else if (max_g > 8) { /* 16G */
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rangebits = OFFSET_LSB1_RANGE_16G;
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rangescale = 1.98;
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} else if (max_g > 4) { /* 8G */
|
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rangebits = OFFSET_LSB1_RANGE_8G;
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rangescale = 0.99;
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} else if (max_g > 3) { /* 4G */
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rangebits = OFFSET_LSB1_RANGE_4G;
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||||
rangescale = 0.5;
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||||
|
||||
} else if (max_g > 2) { /* 3G */
|
||||
rangebits = OFFSET_LSB1_RANGE_3G;
|
||||
rangescale = 0.38;
|
||||
|
||||
} else if (max_g > 1) { /* 2G */
|
||||
if (max_g <= 1) {
|
||||
_current_range = 1;
|
||||
rangebits = OFFSET_LSB1_RANGE_2G;
|
||||
rangescale = 0.25;
|
||||
|
||||
} else { /* 1G */
|
||||
rangebits = OFFSET_LSB1_RANGE_1G;
|
||||
rangescale = 0.13;
|
||||
} else if (max_g <= 2) {
|
||||
_current_range = 2;
|
||||
rangebits = OFFSET_LSB1_RANGE_3G;
|
||||
} else if (max_g <= 4) {
|
||||
_current_range = 4;
|
||||
rangebits = OFFSET_LSB1_RANGE_4G;
|
||||
} else if (max_g <= 8) {
|
||||
_current_range = 8;
|
||||
rangebits = OFFSET_LSB1_RANGE_8G;
|
||||
} else if (max_g <= 16) {
|
||||
_current_range = 16;
|
||||
rangebits = OFFSET_LSB1_RANGE_16G;
|
||||
} else {
|
||||
return -EINVAL;
|
||||
}
|
||||
|
||||
/* set new range scaling factor */
|
||||
_accel_range_m_s2 = _current_range * 9.80665f;
|
||||
_accel_range_scale = _accel_range_m_s2 / 8192.0f;
|
||||
|
||||
/* adjust sensor configuration */
|
||||
modify_reg(ADDR_OFFSET_LSB1, OFFSET_LSB1_RANGE_MASK, rangebits);
|
||||
_range_scale = rangescale;
|
||||
|
||||
return OK;
|
||||
}
|
||||
|
||||
int
|
||||
BMA180::set_bandwidth(unsigned frequency)
|
||||
BMA180::set_lowpass(unsigned frequency)
|
||||
{
|
||||
uint8_t bwbits;
|
||||
|
||||
@@ -601,24 +637,30 @@ BMA180::measure_trampoline(void *arg)
|
||||
void
|
||||
BMA180::measure()
|
||||
{
|
||||
/*
|
||||
* This evil is to deal with the stupid layout of the BMA180
|
||||
* measurement registers vs. the SPI transaction model.
|
||||
*/
|
||||
union {
|
||||
uint8_t bytes[10];
|
||||
uint16_t words[5];
|
||||
} buf;
|
||||
/* BMA180 measurement registers */
|
||||
#pragma pack(push, 1)
|
||||
struct {
|
||||
uint8_t cmd;
|
||||
uint16_t x;
|
||||
uint16_t y;
|
||||
uint16_t z;
|
||||
} raw_report;
|
||||
#pragma pack(pop)
|
||||
|
||||
accel_report *report = &_reports[_next_report];
|
||||
|
||||
/* start the performance counter */
|
||||
perf_begin(_sample_perf);
|
||||
|
||||
/*
|
||||
* Fetch the full set of measurements from the BMA180 in one pass;
|
||||
* 7 bytes starting from the X LSB.
|
||||
* starting from the X LSB.
|
||||
*/
|
||||
buf.bytes[1] = ADDR_ACC_X_LSB;
|
||||
transfer(&buf.bytes[1], &buf.bytes[1], 8);
|
||||
raw_report.cmd = ADDR_ACC_X_LSB;
|
||||
transfer((uint8_t *)&raw_report, (uint8_t *)&raw_report, sizeof(raw_report));
|
||||
|
||||
/*
|
||||
* Adjust and scale results to mg.
|
||||
* Adjust and scale results to SI units.
|
||||
*
|
||||
* Note that we ignore the "new data" bits. At any time we read, each
|
||||
* of the axis measurements are the "most recent", even if we've seen
|
||||
@@ -626,13 +668,16 @@ BMA180::measure()
|
||||
* measurement flow without using the external interrupt.
|
||||
*/
|
||||
_reports[_next_report].timestamp = hrt_absolute_time();
|
||||
_reports[_next_report].x = (buf.words[1] >> 2) * _range_scale;
|
||||
_reports[_next_report].y = (buf.words[2] >> 2) * _range_scale;
|
||||
_reports[_next_report].z = (buf.words[3] >> 2) * _range_scale;
|
||||
/* XXX adjust for sensor alignment to board here */
|
||||
report->x_raw = raw_report.x;
|
||||
report->y_raw = raw_report.y;
|
||||
report->z_raw = raw_report.z;
|
||||
|
||||
/*
|
||||
* @todo Apply additional scaling / calibration factors here.
|
||||
*/
|
||||
report->x = ((report->x_raw * _accel_range_scale) - _accel_scale.x_offset) * _accel_scale.x_scale;
|
||||
report->y = ((report->y_raw * _accel_range_scale) - _accel_scale.y_offset) * _accel_scale.y_scale;
|
||||
report->z = ((report->z_raw * _accel_range_scale) - _accel_scale.z_offset) * _accel_scale.z_scale;
|
||||
report->scaling = _accel_range_scale;
|
||||
report->range_m_s2 = _accel_range_m_s2;
|
||||
|
||||
/* post a report to the ring - note, not locked */
|
||||
INCREMENT(_next_report, _num_reports);
|
||||
@@ -643,12 +688,18 @@ BMA180::measure()
|
||||
|
||||
/* notify anyone waiting for data */
|
||||
poll_notify(POLLIN);
|
||||
|
||||
/* publish for subscribers */
|
||||
orb_publish(ORB_ID(sensor_accel), _accel_topic, report);
|
||||
|
||||
/* stop the perf counter */
|
||||
perf_end(_sample_perf);
|
||||
}
|
||||
|
||||
void
|
||||
BMA180::print_info()
|
||||
{
|
||||
printf("reads: %u\n", _reads);
|
||||
perf_print_counter(_sample_perf);
|
||||
printf("report queue: %u (%u/%u @ %p)\n",
|
||||
_num_reports, _oldest_report, _next_report, _reports);
|
||||
}
|
||||
@@ -656,67 +707,126 @@ BMA180::print_info()
|
||||
/**
|
||||
* Local functions in support of the shell command.
|
||||
*/
|
||||
namespace
|
||||
namespace bma180
|
||||
{
|
||||
|
||||
BMA180 *g_dev;
|
||||
|
||||
/*
|
||||
* XXX this should just be part of the generic sensors test...
|
||||
*/
|
||||
void start();
|
||||
void test();
|
||||
void reset();
|
||||
void info();
|
||||
|
||||
int
|
||||
/**
|
||||
* Start the driver.
|
||||
*/
|
||||
void
|
||||
start()
|
||||
{
|
||||
int fd;
|
||||
|
||||
if (g_dev != nullptr)
|
||||
errx(1, "already started");
|
||||
|
||||
/* create the driver */
|
||||
g_dev = new BMA180(1 /* XXX magic number */, (spi_dev_e)PX4_SPIDEV_ACCEL);
|
||||
|
||||
if (g_dev == nullptr)
|
||||
goto fail;
|
||||
|
||||
if (OK != g_dev->init())
|
||||
goto fail;
|
||||
|
||||
/* set the poll rate to default, starts automatic data collection */
|
||||
fd = open(ACCEL_DEVICE_PATH, O_RDONLY);
|
||||
if (fd < 0)
|
||||
goto fail;
|
||||
if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0)
|
||||
goto fail;
|
||||
|
||||
exit(0);
|
||||
fail:
|
||||
if (g_dev != nullptr) {
|
||||
delete g_dev;
|
||||
g_dev = nullptr;
|
||||
}
|
||||
errx(1, "driver start failed");
|
||||
}
|
||||
|
||||
/**
|
||||
* Perform some basic functional tests on the driver;
|
||||
* make sure we can collect data from the sensor in polled
|
||||
* and automatic modes.
|
||||
*/
|
||||
void
|
||||
test()
|
||||
{
|
||||
int fd = -1;
|
||||
struct accel_report report;
|
||||
struct accel_report a_report;
|
||||
ssize_t sz;
|
||||
const char *reason = "test OK";
|
||||
|
||||
do {
|
||||
/* get the driver */
|
||||
fd = open(ACCEL_DEVICE_PATH, O_RDONLY);
|
||||
if (fd < 0)
|
||||
err(1, "%s open failed (try 'bma180 start' if the driver is not running)",
|
||||
ACCEL_DEVICE_PATH);
|
||||
|
||||
/* get the driver */
|
||||
fd = open(ACCEL_DEVICE_PATH, O_RDONLY);
|
||||
/* reset to manual polling */
|
||||
if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_MANUAL) < 0)
|
||||
err(1, "reset to manual polling");
|
||||
|
||||
/* do a simple demand read */
|
||||
sz = read(fd, &a_report, sizeof(a_report));
|
||||
if (sz != sizeof(a_report))
|
||||
err(1, "immediate acc read failed");
|
||||
|
||||
if (fd < 0) {
|
||||
reason = "can't open driver";
|
||||
break;
|
||||
}
|
||||
warnx("single read");
|
||||
warnx("time: %lld", a_report.timestamp);
|
||||
warnx("acc x: \t%8.4f\tm/s^2", (double)a_report.x);
|
||||
warnx("acc y: \t%8.4f\tm/s^2", (double)a_report.y);
|
||||
warnx("acc z: \t%8.4f\tm/s^2", (double)a_report.z);
|
||||
warnx("acc x: \t%d\traw 0x%0x", (short)a_report.x_raw, (unsigned short)a_report.x_raw);
|
||||
warnx("acc y: \t%d\traw 0x%0x", (short)a_report.y_raw, (unsigned short)a_report.y_raw);
|
||||
warnx("acc z: \t%d\traw 0x%0x", (short)a_report.z_raw, (unsigned short)a_report.z_raw);
|
||||
warnx("acc range: %8.4f m/s^2 (%8.4f g)", (double)a_report.range_m_s2,
|
||||
(double)(a_report.range_m_s2 / 9.81f));
|
||||
|
||||
/* do a simple demand read */
|
||||
sz = read(fd, &report, sizeof(report));
|
||||
/* XXX add poll-rate tests here too */
|
||||
|
||||
if (sz != sizeof(report)) {
|
||||
reason = "immediate read failed";
|
||||
break;
|
||||
}
|
||||
|
||||
printf("single read\n");
|
||||
fflush(stdout);
|
||||
printf("time: %lld\n", report.timestamp);
|
||||
printf("x: %f\n", report.x);
|
||||
printf("y: %f\n", report.y);
|
||||
printf("z: %f\n", report.z);
|
||||
|
||||
} while (0);
|
||||
|
||||
printf("BMA180: %s\n", reason);
|
||||
|
||||
return OK;
|
||||
reset();
|
||||
errx(0, "PASS");
|
||||
}
|
||||
|
||||
int
|
||||
/**
|
||||
* Reset the driver.
|
||||
*/
|
||||
void
|
||||
reset()
|
||||
{
|
||||
int fd = open(ACCEL_DEVICE_PATH, O_RDONLY);
|
||||
if (fd < 0)
|
||||
err(1, "failed ");
|
||||
if (ioctl(fd, SENSORIOCRESET, 0) < 0)
|
||||
err(1, "driver reset failed");
|
||||
if (ioctl(fd, SENSORIOCSPOLLRATE, SENSOR_POLLRATE_DEFAULT) < 0)
|
||||
err(1, "driver poll restart failed");
|
||||
|
||||
exit(0);
|
||||
}
|
||||
|
||||
/**
|
||||
* Print a little info about the driver.
|
||||
*/
|
||||
void
|
||||
info()
|
||||
{
|
||||
if (g_dev == nullptr) {
|
||||
fprintf(stderr, "BMA180: driver not running\n");
|
||||
return -ENOENT;
|
||||
}
|
||||
if (g_dev == nullptr)
|
||||
errx(1, "BMA180: driver not running");
|
||||
|
||||
printf("state @ %p\n", g_dev);
|
||||
g_dev->print_info();
|
||||
|
||||
return OK;
|
||||
exit(0);
|
||||
}
|
||||
|
||||
|
||||
@@ -727,48 +837,28 @@ bma180_main(int argc, char *argv[])
|
||||
{
|
||||
/*
|
||||
* Start/load the driver.
|
||||
*
|
||||
* XXX it would be nice to have a wrapper for this...
|
||||
|
||||
*/
|
||||
if (!strcmp(argv[1], "start")) {
|
||||
|
||||
if (g_dev != nullptr) {
|
||||
fprintf(stderr, "BMA180: already loaded\n");
|
||||
return -EBUSY;
|
||||
}
|
||||
|
||||
/* create the driver */
|
||||
g_dev = new BMA180(CONFIG_BMA180_SPI_BUS, (spi_dev_e)CONFIG_BMA180_SPI_DEVICE);
|
||||
|
||||
if (g_dev == nullptr) {
|
||||
fprintf(stderr, "BMA180: driver alloc failed\n");
|
||||
return -ENOMEM;
|
||||
}
|
||||
|
||||
if (OK != g_dev->init()) {
|
||||
fprintf(stderr, "BMA180: driver init failed\n");
|
||||
usleep(100000);
|
||||
delete g_dev;
|
||||
g_dev = nullptr;
|
||||
return -EIO;
|
||||
}
|
||||
|
||||
printf("BMA180: driver started\n");
|
||||
return OK;
|
||||
}
|
||||
if (!strcmp(argv[1], "start"))
|
||||
bma180::start();
|
||||
|
||||
/*
|
||||
* Test the driver/device.
|
||||
*/
|
||||
if (!strcmp(argv[1], "test"))
|
||||
return test();
|
||||
bma180::test();
|
||||
|
||||
/*
|
||||
* Reset the driver.
|
||||
*/
|
||||
if (!strcmp(argv[1], "reset"))
|
||||
bma180::reset();
|
||||
|
||||
/*
|
||||
* Print driver information.
|
||||
*/
|
||||
if (!strcmp(argv[1], "info"))
|
||||
return info();
|
||||
bma180::info();
|
||||
|
||||
fprintf(stderr, "unrecognised command, try 'start', 'test' or 'info'\n");
|
||||
return -EINVAL;
|
||||
errx(1, "unrecognised command, try 'start', 'test', 'reset' or 'info'");
|
||||
}
|
||||
|
||||
@@ -45,6 +45,7 @@ CONFIGURED_APPS += system/readline
|
||||
CONFIGURED_APPS += systemlib
|
||||
CONFIGURED_APPS += systemlib/mixer
|
||||
|
||||
# System utility commands
|
||||
CONFIGURED_APPS += systemcmds/reboot
|
||||
CONFIGURED_APPS += systemcmds/perf
|
||||
CONFIGURED_APPS += systemcmds/top
|
||||
@@ -61,6 +62,7 @@ CONFIGURED_APPS += systemcmds/eeprom
|
||||
# https://pixhawk.ethz.ch/px4/dev/deamon
|
||||
# CONFIGURED_APPS += examples/px4_deamon_app
|
||||
|
||||
# Shared object broker; required by many parts of the system.
|
||||
CONFIGURED_APPS += uORB
|
||||
|
||||
CONFIGURED_APPS += mavlink
|
||||
@@ -75,6 +77,7 @@ CONFIGURED_APPS += fixedwing_control
|
||||
CONFIGURED_APPS += position_estimator
|
||||
CONFIGURED_APPS += attitude_estimator_ekf
|
||||
|
||||
# Hacking tools
|
||||
#CONFIGURED_APPS += system/i2c
|
||||
#CONFIGURED_APPS += tools/i2c_dev
|
||||
|
||||
@@ -83,7 +86,7 @@ CONFIGURED_APPS += drivers/device
|
||||
CONFIGURED_APPS += drivers/ms5611
|
||||
CONFIGURED_APPS += drivers/hmc5883
|
||||
CONFIGURED_APPS += drivers/mpu6000
|
||||
#CONFIGURED_APPS += drivers/bma180
|
||||
CONFIGURED_APPS += drivers/bma180
|
||||
CONFIGURED_APPS += drivers/l3gd20
|
||||
CONFIGURED_APPS += px4/px4io/driver
|
||||
CONFIGURED_APPS += px4/fmu
|
||||
@@ -101,4 +104,3 @@ endif
|
||||
CONFIGURED_APPS += examples/cdcacm
|
||||
#endif
|
||||
#endif
|
||||
|
||||
|
||||
Reference in New Issue
Block a user