1216 lines
40 KiB
C
1216 lines
40 KiB
C
/* drivers/input/sensors/access/sc7a30.c
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*
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* Copyright (C) 2012-2015 ROCKCHIP.
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* Author: luowei <lw@rock-chips.com>
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*
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* This software is licensed under the terms of the GNU General Public
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* License version 2, as published by the Free Software Foundation, and
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* may be copied, distributed, and modified under those terms.
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*
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* This program is distributed in the hope that it will be useful,
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* but WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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* GNU General Public License for more details.
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*
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*/
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#include <linux/interrupt.h>
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#include <linux/i2c.h>
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#include <linux/slab.h>
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#include <linux/irq.h>
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#include <linux/miscdevice.h>
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#include <linux/gpio.h>
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#include <linux/uaccess.h>
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#include <linux/atomic.h>
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#include <linux/delay.h>
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#include <linux/input.h>
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#include <linux/workqueue.h>
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#include <linux/freezer.h>
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#include <linux/of_gpio.h>
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#ifdef CONFIG_HAS_EARLYSUSPEND
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#include <linux/earlysuspend.h>
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#endif
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#include <linux/sensor-dev.h>
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#include <linux/ioctl.h>
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#include <linux/wakelock.h>
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#define SC7A30_ENABLE 1
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#define SC7A30_XOUT_L 0x28
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#define SC7A30_XOUT_H 0x29
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#define SC7A30_YOUT_L 0x2A
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#define SC7A30_YOUT_H 0x2B
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#define SC7A30_ZOUT_L 0x2C
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#define SC7A30_ZOUT_H 0x2D
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#define SC7A30_MODE 0x20
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#define SC7A30_MODE1 0x21
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#define SC7A30_MODE2 0x22
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#define SC7A30_MODE3 0x23
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#define SC7A30_BOOT 0x24
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#define SC7A30_STATUS 0x27
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#define SC7A30_50HZ 0x40
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#define SC7A30_100HZ 0x50
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#define SC7A30_200HZ 0x60
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#define SC7A30_400HZ 0x70
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#define SC7A30_RANGE 32768
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#define CALIBRATION_NUM 20//40
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#define AXIS_X_Y_RANGE_LIMIT 200
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#define AXIS_X_Y_AVG_LIMIT 400
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#define AXIS_Z_RANGE 200
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#define AXIS_Z_DFT_G 1000
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#define GOTO_CALI 100
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#define FAILTO_CALI 101
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/* LIS3DH */
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#define SC7A30_PRECISION 12
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#define SC7A30_BOUNDARY (0x1 << (SC7A30_PRECISION - 1))
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#define SC7A30_GRAVITY_STEP (SC7A30_RANGE / SC7A30_BOUNDARY)
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#define SC7A30_COUNT_AVERAGE 2
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#define CFG_GSENSOR_CALIBFILE "/data/data/com.actions.sensor.calib/files/gsensor_calib.txt"
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struct SC7A30_acc {
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int x;
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int y;
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int z;
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};
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static struct SC7A30_acc offset;
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static int calibrated;
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static struct i2c_client *sc7a30_client;
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struct sensor_axis_average {
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long x_average;
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long y_average;
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long z_average;
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int count;
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};
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struct Cali_Data {
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//mis p and n
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unsigned char xpmis; //x axis positive mismatch to write
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unsigned char xnmis; //x axis negtive mismatch to write
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unsigned char ypmis;
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unsigned char ynmis;
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unsigned char zpmis;
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unsigned char znmis;
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//off p and n
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unsigned char xpoff; //x axis positive offset to write
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unsigned char xnoff; //x axis negtive offset to write
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unsigned char ypoff;
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unsigned char ynoff;
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unsigned char zpoff;
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unsigned char znoff;
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//mid mis and off
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unsigned char xmmis; //x axis middle mismatch to write
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unsigned char ymmis; //y axis middle mismatch to write
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unsigned char zmmis; //z axis middle mismatch to write
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unsigned char xmoff; //x axis middle offset to write
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unsigned char ymoff; //y axis middle offset to write
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unsigned char zmoff; //z axis middle offset to write
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//output p and n
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signed int xpoutput; //x axis output of positive mismatch
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signed int xnoutput; //x axis output of negtive mismatch
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signed int ypoutput;
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signed int ynoutput;
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signed int zpoutput;
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signed int znoutput;
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//output
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signed int xfoutput; //x axis the best or the temporary output
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signed int yfoutput; //y axis the best or the temporary output
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signed int zfoutput; //z axis the best or the temporary output
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//final and temp flag
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unsigned char xfinalf; //x axis final flag:if 1,calibration finished
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unsigned char yfinalf; //y axis final flag:if 1,calibration finished
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unsigned char zfinalf; //z axis final flag:if 1,calibration finished
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unsigned char xtempf; //x axis temp flag:if 1,the step calibration finished
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unsigned char ytempf; //y axis temp flag:if 1,the step calibration finished
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unsigned char ztempf; //z axis temp flag:if 1,the step calibration finished
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unsigned char xaddmis; //x axis mismtach register address
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unsigned char yaddmis; //y axis mismtach register address
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unsigned char zaddmis; //z axis mismtach register address
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unsigned char xaddoff; //x axis offset register address
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unsigned char yaddoff; //y axis offset register address
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unsigned char zaddoff; //z axis offset register address
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unsigned char (*MisDataSpaceConvert)(unsigned char continuous); //mismatch space convert function pointer
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unsigned char (*OffDataSpaceConvert)(unsigned char continuous); //offset space convert function pointer
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};
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static struct sensor_axis_average axis_average;
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static unsigned char Read_Reg(unsigned char reg)
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{
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char buffer[3] = {0};
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*buffer = reg;
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sensor_rx_data(sc7a30_client, buffer, 1);
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return buffer[0];
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}
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static void Read_Output_3axis(unsigned char *acc_buf)
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{
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char buffer[3] = {0};
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int index = 0;
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int ret = 0;
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while(1){
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msleep(20);
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*buffer = SC7A30_STATUS;
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//ret = sensor_rx_data(sc7a30_client, buffer,1);
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buffer[0] = Read_Reg(0x27);
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if( (buffer[0] & 0x08) != 0 ) {break;}
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index++;
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if(index > 40)break;
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}
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//6 register data be read out
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*buffer = SC7A30_XOUT_L;
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ret = sensor_rx_data(sc7a30_client, buffer, 1);
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acc_buf[0] = buffer[0];
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*buffer = SC7A30_XOUT_H;
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ret = sensor_rx_data(sc7a30_client, buffer, 1);
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acc_buf[1] = buffer[0];
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*buffer = SC7A30_YOUT_L;
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ret = sensor_rx_data(sc7a30_client, buffer, 1);
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acc_buf[2] = buffer[0];
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*buffer = SC7A30_YOUT_H;
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ret = sensor_rx_data(sc7a30_client, buffer, 1);
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acc_buf[3] = buffer[0];
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*buffer = SC7A30_ZOUT_L;
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ret = sensor_rx_data(sc7a30_client, buffer,1);
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acc_buf[4] = buffer[0];
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*buffer = SC7A30_ZOUT_H;
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ret = sensor_rx_data(sc7a30_client, buffer, 1);
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acc_buf[5] = buffer[0];
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}
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static void Write_Input(char addr, char thedata)
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{
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int result;
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result = sensor_write_reg(sc7a30_client, addr, thedata);
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}
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static void tilt_3axis_mtp(signed int x, signed int y, signed int z)
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{
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char buffer[6] = {0};
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unsigned char buffer0[6] = {0};
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unsigned char buffer1[6] = {0};
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signed char mtpread[3]={0};
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signed int xoutp, youtp, zoutp;
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signed int xoutpt, youtpt, zoutpt;
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signed char xtilt, ytilt, ztilt;
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xoutp = youtp = zoutp = 0;
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xoutpt = youtpt = zoutpt = 0;
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xtilt = ytilt = ztilt = 0;
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Read_Output_3axis(buffer0);
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Read_Output_3axis(buffer1);
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xoutpt = ((signed int)((buffer1[1]<<8)|buffer1[0]))>>4;
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youtpt = ((signed int)((buffer1[3]<<8)|buffer1[2]))>>4;
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zoutpt = ((signed int)((buffer1[5]<<8)|buffer1[4]))>>4;
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xoutp = xoutpt-x*16;
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youtp = youtpt-y*16;
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zoutp = zoutpt-z*16;
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*buffer = 0x10;
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sensor_rx_data(sc7a30_client, buffer, 1);
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mtpread[0]=(signed char)buffer[0];
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*buffer = 0x11;
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sensor_rx_data(sc7a30_client, buffer, 1);
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mtpread[1]=(signed char)buffer[0];
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*buffer = 0x12;
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sensor_rx_data(sc7a30_client, buffer, 1);
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mtpread[2]=(signed char)buffer[0];
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xtilt=(signed char)(xoutp/8)+ mtpread[0];
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ytilt=(signed char)(youtp/8)+ mtpread[1];
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ztilt=(signed char)(zoutp/8)+ mtpread[2];
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Write_Input(0x10, xtilt);
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Write_Input(0x11, ytilt);
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Write_Input(0x12, ztilt);
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}
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static unsigned char forword_MisDataSpaceConvert(unsigned char continuous)
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{
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if (continuous >= 128)
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return continuous - 128;
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else
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return 255 - continuous;
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}
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static unsigned char reverse_MisDataSpaceConvert(unsigned char continuous)
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{
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if (continuous >= 128)
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return continuous;
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else
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return 127 - continuous;
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}
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static unsigned char reverse_OffDataSpaceConvert(unsigned char continuous)
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{
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return 127 - continuous;
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}
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static unsigned char forword_OffDataSpaceConvert(unsigned char continuous)
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{
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return continuous;
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}
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static void check_output_set_finalflag(struct Cali_Data *pcalidata,unsigned char err)
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{
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if (abs(pcalidata->xfoutput) < err) {
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//printk("line:%d Xcali finish!Final=%d\n",__LINE__,pcalidata->xfoutput);
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pcalidata->xfinalf=1;
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}
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if (abs(pcalidata->yfoutput) < err) {
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//printk("line:%d Xcali finish!Final=%d\n",__LINE__,pcalidata->yfoutput);
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pcalidata->yfinalf=1;
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}
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if (abs(pcalidata->zfoutput) < err) {
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//printk("line:%d Xcali finish!Final=%d\n",__LINE__,pcalidata->zfoutput);
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pcalidata->zfinalf=1;
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}
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}
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static void check_finalflag_set_tempflag(struct Cali_Data *pcalidata)
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{
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if (pcalidata->xfinalf) { pcalidata->xtempf=1; }
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if (pcalidata->yfinalf) { pcalidata->ytempf=1; }
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if (pcalidata->zfinalf) { pcalidata->ztempf=1; }
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}
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static unsigned char check_flag_is_return(struct Cali_Data *pcalidata)
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{
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if ((pcalidata->xfinalf) && (pcalidata->yfinalf) && (pcalidata->zfinalf))
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{
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//printk("line:%d Allcali finish!\n",__LINE__);
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return 1;//xyz cali ok
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} else
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return 0;
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}
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static void updata_midmis_address(struct Cali_Data *pcalidata)
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{
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if(pcalidata->xtempf == 0) {
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pcalidata->xmmis = (unsigned char)(((unsigned int)(pcalidata->xpmis) + (unsigned int)(pcalidata->xnmis))/2);
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pcalidata->MisDataSpaceConvert = reverse_MisDataSpaceConvert;
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Write_Input(pcalidata->xaddmis, (*(pcalidata->MisDataSpaceConvert))(pcalidata->xmmis));
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}
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if(pcalidata->ytempf == 0) {
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pcalidata->ymmis = (unsigned char)(((unsigned int)(pcalidata->ypmis) + (unsigned int)(pcalidata->ynmis))/2);
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pcalidata->MisDataSpaceConvert = forword_MisDataSpaceConvert;
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Write_Input(pcalidata->yaddmis, (*(pcalidata->MisDataSpaceConvert))(pcalidata->ymmis));
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}
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if(pcalidata->ztempf == 0) {
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pcalidata->zmmis = (unsigned char)(((unsigned int)(pcalidata->zpmis) + (unsigned int)(pcalidata->znmis))/2);
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pcalidata->MisDataSpaceConvert = reverse_MisDataSpaceConvert;
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Write_Input(pcalidata->zaddmis, (*(pcalidata->MisDataSpaceConvert))(pcalidata->zmmis));
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}
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}
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static void updata_midoff_address(struct Cali_Data *pcalidata)
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{
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if (pcalidata->xtempf == 0) {
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pcalidata->xmoff = (unsigned char)(((unsigned int)(pcalidata->xpoff) + (unsigned int)(pcalidata->xnoff))/2);
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pcalidata->OffDataSpaceConvert = reverse_OffDataSpaceConvert;
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Write_Input(pcalidata->xaddoff, (*(pcalidata->OffDataSpaceConvert))(pcalidata->xmoff));
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}
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if (pcalidata->ytempf == 0) {
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pcalidata->ymoff = (unsigned char)(((unsigned int)(pcalidata->ypoff) + (unsigned int)(pcalidata->ynoff))/2);
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pcalidata->OffDataSpaceConvert = forword_OffDataSpaceConvert;
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Write_Input(pcalidata->yaddoff, (*(pcalidata->OffDataSpaceConvert))(pcalidata->ymoff));
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}
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if (pcalidata->ztempf == 0) {
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pcalidata->zmoff = (unsigned char)(((unsigned int)(pcalidata->zpoff) + (unsigned int)(pcalidata->znoff))/2);
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pcalidata->OffDataSpaceConvert = forword_OffDataSpaceConvert;
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Write_Input(pcalidata->zaddoff, (*(pcalidata->OffDataSpaceConvert))(pcalidata->zmoff));
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}
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}
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static void updata_mmis_pnfoutput_set_tempflag( struct Cali_Data *pcalidata,
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unsigned char *buf,
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signed int xrel,
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signed int yrel,
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signed int zrel)
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{
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pcalidata->xfoutput = (signed int)((signed char)buf[1])-xrel;
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pcalidata->yfoutput = (signed int)((signed char)buf[3])-yrel;
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pcalidata->zfoutput =(signed int)((signed char)buf[5])-zrel;
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if (abs(pcalidata->xfoutput)<25)pcalidata->xtempf=1;
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if (abs(pcalidata->yfoutput)<25)pcalidata->ytempf=1;
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if (abs(pcalidata->zfoutput)<25)pcalidata->ztempf=1;
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if (pcalidata->xtempf == 0)
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{
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if (pcalidata->xfoutput>0) {
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pcalidata->xpoutput = pcalidata->xfoutput;
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pcalidata->xpmis = pcalidata->xmmis;
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}
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else {
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pcalidata->xnoutput = pcalidata->xfoutput;
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pcalidata->xnmis = pcalidata->xmmis;
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}
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}
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if (pcalidata->ytempf == 0)
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{
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if (pcalidata->yfoutput>0){
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pcalidata->ypoutput = pcalidata->yfoutput;
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pcalidata->ypmis = pcalidata->ymmis;
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}
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else{
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pcalidata->ynoutput = pcalidata->yfoutput;
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pcalidata->ynmis = pcalidata->ymmis;
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}
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}
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if(pcalidata->ztempf==0)
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{
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if(pcalidata->zfoutput>0){
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pcalidata->zpoutput = pcalidata->zfoutput;
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pcalidata->zpmis = pcalidata->zmmis;
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}
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else{
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pcalidata->znoutput = pcalidata->zfoutput;
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pcalidata->znmis = pcalidata->zmmis;
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}
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}
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}
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static void updata_moff_pnfoutput_set_tempflag( struct Cali_Data *pcalidata,
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unsigned char *buf,
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signed int xrel,
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signed int yrel,
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signed int zrel)
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{
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pcalidata->xfoutput = (signed int)((signed char)buf[1])-xrel;
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pcalidata->yfoutput = (signed int)((signed char)buf[3])-yrel;
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pcalidata->zfoutput = (signed int)((signed char)buf[5])-zrel;
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if (abs(pcalidata->xfoutput)<3)pcalidata->xtempf = 1;
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if (abs(pcalidata->yfoutput)<3)pcalidata->ytempf = 1;
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if (abs(pcalidata->zfoutput)<3)pcalidata->ztempf = 1;
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if (pcalidata->xtempf == 0)
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{
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if(pcalidata->xfoutput>0){
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pcalidata->xpoutput = pcalidata->xfoutput;
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pcalidata->xpoff = pcalidata->xmoff;
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} else {
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pcalidata->xnoutput = pcalidata->xfoutput;
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pcalidata->xnoff = pcalidata->xmoff;
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}
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}
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if (pcalidata->ytempf == 0)
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{
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if(pcalidata->yfoutput>0){
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pcalidata->ypoutput = pcalidata->yfoutput;
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pcalidata->ypoff = pcalidata->ymoff;
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} else {
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pcalidata->ynoutput = pcalidata->yfoutput;
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pcalidata->ynoff = pcalidata->ymoff;
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}
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}
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if (pcalidata->ztempf == 0)
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{
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if (pcalidata->zfoutput > 0) {
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pcalidata->zpoutput = pcalidata->zfoutput;
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pcalidata->zpoff = pcalidata->zmoff;
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} else {
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pcalidata->znoutput = pcalidata->zfoutput;
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pcalidata->znoff = pcalidata->zmoff;
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}
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}
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}
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static int auto_calibration_instant(signed int x, signed int y, signed int z)
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{
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unsigned char count=0,cyclecount=0;
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unsigned char acc_buf[6];
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struct Cali_Data calidata={0};
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calidata.xaddmis = 0x40;
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calidata.yaddmis = 0x41;
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calidata.zaddmis = 0x42;
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calidata.xaddoff = 0x47;
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calidata.yaddoff = 0x48;
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calidata.zaddoff = 0x49;
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#ifdef PRINT
|
|
printf("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(UINT)calidata.xfinalf,(UINT)calidata.xtempf,
|
|
(UINT)calidata.yfinalf,(UINT)calidata.ytempf,
|
|
(UINT)calidata.zfinalf,(UINT)calidata.ztempf
|
|
);
|
|
#endif
|
|
|
|
Read_Output_3axis(acc_buf);
|
|
calidata.xfoutput=(signed int)((signed char)acc_buf[1])-x;
|
|
calidata.yfoutput=(signed int)((signed char)acc_buf[3])-y;
|
|
calidata.zfoutput=(signed int)((signed char)acc_buf[5])-z;
|
|
check_output_set_finalflag(&calidata,2);
|
|
if(check_flag_is_return(&calidata)){
|
|
printk("step1:=file=%s,line=%d\n",__FILE__,__LINE__);
|
|
return 1;
|
|
}
|
|
#ifdef PRINT
|
|
printf("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(UINT)calidata.xfinalf,(UINT)calidata.xtempf,
|
|
(UINT)calidata.yfinalf,(UINT)calidata.ytempf,
|
|
(UINT)calidata.zfinalf,(UINT)calidata.ztempf
|
|
);
|
|
#endif
|
|
|
|
if (calidata.xfinalf == 0) {
|
|
Write_Input(calidata.xaddoff, 0x3f);//cali mis under off=0x3f
|
|
Write_Input(0x10, 0); //tilt clear
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.xaddmis, (*(calidata.MisDataSpaceConvert))(255)); // x mis to max
|
|
}
|
|
if (calidata.yfinalf == 0) {
|
|
Write_Input(calidata.yaddoff, 0x3f);//cali mis under off=0x3f
|
|
Write_Input(0x11, 0); //tilt clear
|
|
calidata.MisDataSpaceConvert = forword_MisDataSpaceConvert;
|
|
Write_Input(calidata.yaddmis, (*(calidata.MisDataSpaceConvert))(255)); // y mis to max
|
|
}
|
|
if (calidata.zfinalf == 0){
|
|
Write_Input(calidata.zaddoff, 0x3f);//cali mis under off=0x3f
|
|
Write_Input(0x12, 0); //tilt clear
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.zaddmis, (*(calidata.MisDataSpaceConvert))(255)); // z mis to max
|
|
}
|
|
|
|
Read_Output_3axis(acc_buf);
|
|
calidata.xpoutput=calidata.xfoutput=(signed int)((signed char)acc_buf[1])-x;
|
|
calidata.ypoutput=calidata.yfoutput=(signed int)((signed char)acc_buf[3])-y;
|
|
calidata.zpoutput=calidata.zfoutput=(signed int)((signed char)acc_buf[5])-z;
|
|
printk("step 2 xnoutput = %d ynoutput = %d znoutput = %d \n",calidata.xnoutput,calidata.ynoutput,calidata.znoutput);
|
|
if ((calidata.xpoutput<-25) || (calidata.ypoutput<-25) || (calidata.zpoutput<-25)){
|
|
printk("step2:=file=%s,line=%d\n",__FILE__,__LINE__);
|
|
sensor_write_reg(sc7a30_client,0x13,0x01);//allen
|
|
Write_Input(0x1e, 0x15); //保存校准寄存器的修改
|
|
mdelay(300);
|
|
// Write_Input(0x1e, 0);
|
|
return 0;
|
|
}
|
|
|
|
if (calidata.xfinalf == 0) {
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.xaddmis, (*(calidata.MisDataSpaceConvert))(0)); // x mis to min
|
|
}
|
|
if (calidata.yfinalf == 0) {
|
|
calidata.MisDataSpaceConvert = forword_MisDataSpaceConvert;
|
|
Write_Input(calidata.yaddmis, (*(calidata.MisDataSpaceConvert))(0)); // y mis to min
|
|
}
|
|
if (calidata.zfinalf == 0) {
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.zaddmis, (*(calidata.MisDataSpaceConvert))(0)); // z mis to min
|
|
}
|
|
Read_Output_3axis(acc_buf);
|
|
calidata.xnoutput=calidata.xfoutput=(signed int)((signed char)acc_buf[1])-x;
|
|
calidata.ynoutput=calidata.yfoutput=(signed int)((signed char)acc_buf[3])-y;
|
|
calidata.znoutput=calidata.zfoutput=(signed int)((signed char)acc_buf[5])-z;
|
|
printk("step 2 xnoutput = %d ynoutput = %d znoutput = %d \n",calidata.xnoutput,calidata.ynoutput,calidata.znoutput);
|
|
if ((calidata.xnoutput>25) || (calidata.ynoutput>25) || (calidata.znoutput>25)) {
|
|
printk("step2:=file=%s,line=%d\n",__FILE__,__LINE__);
|
|
sensor_write_reg(sc7a30_client,0x13,0x01);
|
|
Write_Input(0x1e, 0x15);
|
|
mdelay(300);
|
|
|
|
return 0;
|
|
}
|
|
|
|
if (abs(calidata.xpoutput)<=abs(calidata.xnoutput)) {
|
|
calidata.xfoutput=calidata.xpoutput;
|
|
calidata.xmmis=255;
|
|
} else {
|
|
calidata.xfoutput=calidata.xnoutput;
|
|
calidata.xmmis=0;
|
|
}
|
|
if (abs(calidata.ypoutput)<=abs(calidata.ynoutput)) {
|
|
calidata.yfoutput=calidata.ypoutput;
|
|
calidata.ymmis=255;
|
|
} else {
|
|
calidata.yfoutput=calidata.ynoutput;
|
|
calidata.ymmis=0;
|
|
}
|
|
if (abs(calidata.zpoutput)<=abs(calidata.znoutput)) {
|
|
calidata.zfoutput=calidata.zpoutput;
|
|
calidata.zmmis=255;
|
|
} else {
|
|
calidata.zfoutput=calidata.znoutput;
|
|
calidata.zmmis=0;
|
|
}
|
|
|
|
if (calidata.xfinalf == 0) {
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.xaddmis, (*(calidata.MisDataSpaceConvert))(calidata.xmmis));
|
|
}
|
|
if (calidata.yfinalf == 0) {
|
|
calidata.MisDataSpaceConvert = forword_MisDataSpaceConvert;
|
|
Write_Input(calidata.yaddmis, (*(calidata.MisDataSpaceConvert))(calidata.ymmis));
|
|
}
|
|
if (calidata.zfinalf == 0) {
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.zaddmis, (*(calidata.MisDataSpaceConvert))(calidata.zmmis));
|
|
}
|
|
check_output_set_finalflag(&calidata,2);
|
|
|
|
if(abs(calidata.xfoutput)<25) calidata.xtempf=1;
|
|
if(abs(calidata.yfoutput)<25) calidata.ytempf=1;
|
|
if(abs(calidata.zfoutput)<25) calidata.ztempf=1;
|
|
|
|
calidata.xpmis=calidata.ypmis=calidata.zpmis=255;
|
|
calidata.xnmis=calidata.ynmis=calidata.znmis=0;
|
|
check_finalflag_set_tempflag(&calidata);
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
cyclecount=0;
|
|
while(1){
|
|
if (++cyclecount > 20)
|
|
break;
|
|
|
|
if((calidata.xtempf)&&(calidata.ytempf)&&(calidata.ztempf))break;
|
|
updata_midmis_address(&calidata);
|
|
Read_Output_3axis(acc_buf);
|
|
calidata.xfoutput=(signed int)((signed char)acc_buf[1])-x;
|
|
calidata.yfoutput=(signed int)((signed char)acc_buf[3])-y;
|
|
calidata.zfoutput=(signed int)((signed char)acc_buf[5])-z;
|
|
#ifdef PRINT
|
|
printk("xp%4d=%4d,xm%4d=%4d,xn%4d=%4d, yp%4d=%4d,ym%4d=%4d,yn%4d=%4d, zp%4d=%4d,zm%4d=%4d,zn%4d=%4d\n\r",
|
|
calidata.xpoutput,(unsigned int)calidata.xpmis,
|
|
calidata.xfoutput,(unsigned int)calidata.xmmis,
|
|
calidata.xnoutput,(unsigned int)calidata.xnmis,
|
|
calidata.ypoutput,(unsigned int)calidata.ypmis,
|
|
calidata.yfoutput,(unsigned int)calidata.ymmis,
|
|
calidata.ynoutput,(unsigned int)calidata.ynmis,
|
|
calidata.zpoutput,(unsigned int)calidata.zpmis,
|
|
calidata.zfoutput,(unsigned int)calidata.zmmis,
|
|
calidata.znoutput,(unsigned int)calidata.znmis
|
|
);
|
|
#endif
|
|
updata_mmis_pnfoutput_set_tempflag(&calidata,acc_buf,x,y,z);
|
|
check_output_set_finalflag(&calidata,2);
|
|
if(check_flag_is_return(&calidata))return 1;
|
|
}
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
|
|
calidata.xtempf=calidata.ytempf=calidata.ztempf=1;
|
|
if((calidata.xmmis>0)&&(calidata.xmmis<255))calidata.xtempf=0;
|
|
if((calidata.ymmis>0)&&(calidata.ymmis<255))calidata.ytempf=0;
|
|
if((calidata.zmmis>0)&&(calidata.zmmis<255))calidata.ztempf=0;
|
|
calidata.xpmis=calidata.xnmis=calidata.xmmis;
|
|
calidata.ypmis=calidata.ynmis=calidata.ymmis;
|
|
calidata.zpmis=calidata.znmis=calidata.zmmis;
|
|
for(count = 0; count < 3; count++)
|
|
{
|
|
if(calidata.xtempf==0){
|
|
calidata.xpmis = calidata.xmmis + count - 1;
|
|
if((calidata.xpmis>calidata.xmmis)&&(calidata.xpmis==128))calidata.xpmis = calidata.xmmis + count-1 + 1;
|
|
if((calidata.xpmis<calidata.xmmis)&&(calidata.xpmis==127))calidata.xpmis = calidata.xmmis + count-1 - 1;
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.xaddmis, (*(calidata.MisDataSpaceConvert))(calidata.xpmis));
|
|
}
|
|
if(calidata.ytempf==0){
|
|
calidata.ypmis = calidata.ymmis + count - 1;
|
|
if((calidata.ypmis>calidata.ymmis)&&(calidata.ypmis==128))calidata.ypmis = calidata.ymmis + count-1 + 1;
|
|
if((calidata.ypmis<calidata.ymmis)&&(calidata.ypmis==127))calidata.ypmis = calidata.ymmis + count-1 - 1;
|
|
calidata.MisDataSpaceConvert = forword_MisDataSpaceConvert;
|
|
Write_Input(calidata.yaddmis, (*(calidata.MisDataSpaceConvert))(calidata.ypmis));
|
|
}
|
|
if(calidata.ztempf==0){
|
|
calidata.zpmis = calidata.zmmis + count - 1;
|
|
if((calidata.zpmis>calidata.zmmis)&&(calidata.zpmis==128))calidata.zpmis = calidata.zmmis + count-1 + 1;
|
|
if((calidata.zpmis<calidata.zmmis)&&(calidata.zpmis==127))calidata.zpmis = calidata.zmmis + count-1 - 1;
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.zaddmis, (*(calidata.MisDataSpaceConvert))(calidata.zpmis));
|
|
}
|
|
Read_Output_3axis(acc_buf);
|
|
if(abs((signed int)((signed char)acc_buf[1])-x)<abs(calidata.xfoutput)){
|
|
calidata.xnmis=calidata.xpmis;
|
|
calidata.xfoutput= (signed int)((signed char)acc_buf[1])-x;
|
|
}
|
|
if(abs((signed int)((signed char)acc_buf[3])-y)<abs(calidata.yfoutput)){
|
|
calidata.ynmis=calidata.ypmis;
|
|
calidata.yfoutput= (signed int)((signed char)acc_buf[3])-y;
|
|
}
|
|
if(abs((signed int)((signed char)acc_buf[5])-z)<abs(calidata.zfoutput)){
|
|
calidata.znmis=calidata.zpmis;
|
|
calidata.zfoutput= (signed int)((signed char)acc_buf[5])-z;
|
|
}
|
|
if(calidata.xtempf==0){
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.xaddmis, (*(calidata.MisDataSpaceConvert))(calidata.xnmis));
|
|
}
|
|
if(calidata.ytempf==0){
|
|
calidata.MisDataSpaceConvert = forword_MisDataSpaceConvert;
|
|
Write_Input(calidata.yaddmis, (*(calidata.MisDataSpaceConvert))(calidata.ynmis));
|
|
}
|
|
if(calidata.ztempf==0){
|
|
calidata.MisDataSpaceConvert = reverse_MisDataSpaceConvert;
|
|
Write_Input(calidata.zaddmis, (*(calidata.MisDataSpaceConvert))(calidata.znmis));
|
|
}
|
|
#ifdef PRINT
|
|
printk("L%4d:xf=%4d,xmis=%4d,yf=%4d,ymis=%4d,zf=%4d,zmis=%4d\n\r",__LINE__,
|
|
(signed int)((signed char)acc_buf[1])-x,(unsigned int)calidata.xpmis,
|
|
(signed int)((signed char)acc_buf[3])-y,(unsigned int)calidata.ypmis,
|
|
(signed int)((signed char)acc_buf[5])-z,(unsigned int)calidata.zpmis
|
|
);
|
|
#endif
|
|
|
|
}
|
|
//Write_Input(AddMis, (*MisDataSpaceConvert)(FinaloutputMisConfiguration));
|
|
|
|
calidata.xpoff=calidata.ypoff=calidata.zpoff=0x7f;
|
|
calidata.xnoff=calidata.ynoff=calidata.znoff=0;
|
|
calidata.xtempf=calidata.ytempf=calidata.ztempf=0;
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
check_finalflag_set_tempflag(&calidata);
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
//offset max
|
|
if(calidata.xtempf==0){
|
|
calidata.OffDataSpaceConvert = reverse_OffDataSpaceConvert;
|
|
Write_Input(calidata.xaddoff, (*(calidata.OffDataSpaceConvert))(calidata.xpoff)); // x off to max
|
|
}
|
|
if(calidata.ytempf==0){
|
|
calidata.OffDataSpaceConvert = forword_OffDataSpaceConvert;
|
|
Write_Input(calidata.yaddoff, (*(calidata.OffDataSpaceConvert))(calidata.xpoff)); // y off to max
|
|
}
|
|
if(calidata.ztempf==0){
|
|
calidata.OffDataSpaceConvert = forword_OffDataSpaceConvert;
|
|
Write_Input(calidata.zaddoff, (*(calidata.OffDataSpaceConvert))(calidata.xpoff)); // z off to max
|
|
}
|
|
Read_Output_3axis(acc_buf);
|
|
calidata.xpoutput=calidata.xfoutput=(signed int)((signed char)acc_buf[1])-x;
|
|
calidata.ypoutput=calidata.yfoutput=(signed int)((signed char)acc_buf[3])-y;
|
|
calidata.zpoutput=calidata.zfoutput=(signed int)((signed char)acc_buf[5])-z;
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
check_output_set_finalflag(&calidata,2);
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
//offset min
|
|
if (calidata.xtempf == 0) {
|
|
calidata.OffDataSpaceConvert = reverse_OffDataSpaceConvert;
|
|
Write_Input(calidata.xaddoff, (*(calidata.OffDataSpaceConvert))(calidata.xnoff)); // x off to min
|
|
}
|
|
if (calidata.ytempf == 0) {
|
|
calidata.OffDataSpaceConvert = forword_OffDataSpaceConvert;
|
|
Write_Input(calidata.yaddoff, (*(calidata.OffDataSpaceConvert))(calidata.ynoff)); // y off to min
|
|
}
|
|
if (calidata.ztempf == 0) {
|
|
calidata.OffDataSpaceConvert = forword_OffDataSpaceConvert;
|
|
Write_Input(calidata.zaddoff, (*(calidata.OffDataSpaceConvert))(calidata.znoff)); // z off to min
|
|
}
|
|
Read_Output_3axis(acc_buf);
|
|
calidata.xnoutput=calidata.xfoutput=(signed int)((signed char)acc_buf[1])-x;
|
|
calidata.ynoutput=calidata.yfoutput=(signed int)((signed char)acc_buf[3])-y;
|
|
calidata.znoutput=calidata.zfoutput=(signed int)((signed char)acc_buf[5])-z;
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
check_output_set_finalflag(&calidata,2);
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
if (abs(calidata.xpoutput)<=abs(calidata.xnoutput)) {
|
|
calidata.xfoutput=calidata.xpoutput;
|
|
calidata.xmoff=calidata.xpoff;
|
|
} else {
|
|
calidata.xfoutput=calidata.xnoutput;
|
|
calidata.xmoff=calidata.xnoff;
|
|
}
|
|
if (abs(calidata.ypoutput)<=abs(calidata.ynoutput)) {
|
|
calidata.yfoutput=calidata.ypoutput;
|
|
calidata.ymoff=calidata.ypoff;
|
|
} else {
|
|
calidata.yfoutput=calidata.ynoutput;
|
|
calidata.ymoff=calidata.ynoff;
|
|
}
|
|
if (abs(calidata.zpoutput)<=abs(calidata.znoutput)) {
|
|
calidata.zfoutput=calidata.zpoutput;
|
|
calidata.zmoff=calidata.zpoff;
|
|
} else {
|
|
calidata.zfoutput=calidata.znoutput;
|
|
calidata.zmoff=calidata.znoff;
|
|
}
|
|
if (calidata.xtempf==0) {
|
|
calidata.OffDataSpaceConvert = reverse_OffDataSpaceConvert;
|
|
Write_Input(calidata.xaddoff, (*(calidata.OffDataSpaceConvert))(calidata.xmoff));
|
|
}
|
|
if (calidata.ytempf==0) {
|
|
calidata.OffDataSpaceConvert = forword_OffDataSpaceConvert;
|
|
Write_Input(calidata.yaddoff, (*(calidata.OffDataSpaceConvert))(calidata.ymoff));
|
|
}
|
|
if (calidata.ztempf==0) {
|
|
calidata.OffDataSpaceConvert = forword_OffDataSpaceConvert;
|
|
Write_Input(calidata.zaddoff, (*(calidata.OffDataSpaceConvert))(calidata.zmoff));
|
|
}
|
|
if ((calidata.xpoutput>0 && calidata.xnoutput>0)||(calidata.xpoutput<0 && calidata.xnoutput<0)) {
|
|
calidata.xfinalf=1;
|
|
}
|
|
|
|
if((calidata.ypoutput>0 && calidata.ynoutput>0)||(calidata.ypoutput<0 && calidata.ynoutput<0)){
|
|
calidata.yfinalf=1;
|
|
}
|
|
|
|
if((calidata.zpoutput>0 && calidata.znoutput>0)||(calidata.zpoutput<0 && calidata.znoutput<0)){
|
|
calidata.zfinalf=1;
|
|
}
|
|
|
|
check_finalflag_set_tempflag(&calidata);
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
cyclecount=0;
|
|
while(1){
|
|
if(++cyclecount>20)break;
|
|
|
|
if((calidata.xtempf)&&(calidata.ytempf)&&(calidata.ztempf))break;
|
|
updata_midoff_address(&calidata);
|
|
Read_Output_3axis(acc_buf);
|
|
calidata.xfoutput=(signed int)((signed char)acc_buf[1])-x;
|
|
calidata.yfoutput=(signed int)((signed char)acc_buf[3])-y;
|
|
calidata.zfoutput=(signed int)((signed char)acc_buf[5])-z;
|
|
#ifdef PRINT
|
|
printk("xp%4d=%4d,xm%4d=%4d,xn%4d=%4d, yp%4d=%4d,ym%4d=%4d,yn%4d=%4d, zp%4d=%4d,zm%4d=%4d,zn%4d=%4d\n\r",
|
|
calidata.xpoutput,(unsigned int)calidata.xpoff,
|
|
calidata.xfoutput,(unsigned int)calidata.xmoff,
|
|
calidata.xnoutput,(unsigned int)calidata.xnoff,
|
|
calidata.ypoutput,(unsigned int)calidata.ypoff,
|
|
calidata.yfoutput,(unsigned int)calidata.ymoff,
|
|
calidata.ynoutput,(unsigned int)calidata.ynoff,
|
|
calidata.zpoutput,(unsigned int)calidata.zpoff,
|
|
calidata.zfoutput,(unsigned int)calidata.zmoff,
|
|
calidata.znoutput,(unsigned int)calidata.znoff
|
|
);
|
|
#endif
|
|
updata_moff_pnfoutput_set_tempflag(&calidata,acc_buf,x,y,z);
|
|
check_output_set_finalflag(&calidata,2);
|
|
if(check_flag_is_return(&calidata))return 1;
|
|
}
|
|
#ifdef PRINT
|
|
printk("L%4d:xff=%4d,xtf=%4d,yff=%4d,ytf=%4d,zff=%4d,ztf=%4d\n\r",__LINE__,
|
|
(unsigned int)calidata.xfinalf,(unsigned int)calidata.xtempf,
|
|
(unsigned int)calidata.yfinalf,(unsigned int)calidata.ytempf,
|
|
(unsigned int)calidata.zfinalf,(unsigned int)calidata.ztempf
|
|
);
|
|
#endif
|
|
|
|
return 1;
|
|
}
|
|
|
|
static __maybe_unused int auto_calibration_instant_mtp(signed int x, signed int y, signed int z)
|
|
{
|
|
unsigned char readbuf[3]={0};
|
|
unsigned char buffer[6] = {0};
|
|
|
|
signed int xoutp,youtp,zoutp;
|
|
unsigned char xfinalf,yfinalf,zfinalf;
|
|
int reg_13 = 0;
|
|
|
|
xoutp=youtp=zoutp=0;
|
|
xfinalf=yfinalf=zfinalf=0;
|
|
if (auto_calibration_instant(x,y,z) == 0)
|
|
{
|
|
printk("auto_calibration_instant ==0 \n");
|
|
sensor_write_reg(sc7a30_client, 0x1e,0x05);
|
|
mdelay(100);
|
|
sensor_write_reg(sc7a30_client, 0x13,0x01);
|
|
|
|
sensor_write_reg(sc7a30_client, 0x1e,0x15);
|
|
mdelay(300);
|
|
return 0;
|
|
}
|
|
|
|
//msleep(20);
|
|
tilt_3axis_mtp(x,y,z);
|
|
Read_Output_3axis(buffer);
|
|
xoutp=(signed int)((signed char)buffer[1])-x;
|
|
youtp=(signed int)((signed char)buffer[3])-y;
|
|
zoutp=(signed int)((signed char)buffer[5])-z;
|
|
|
|
if(abs(xoutp) < 2){xfinalf=1;}
|
|
if(abs(youtp) < 2){yfinalf=1;}
|
|
if(abs(zoutp) < 2){zfinalf=1;}
|
|
|
|
//*tbuffer = 0x10;
|
|
//sensor_rx_data(sc7a30_client, tbuffer,1);
|
|
readbuf[0]= Read_Reg(0x10);
|
|
//*tbuffer = 0x40;
|
|
//sensor_rx_data(sc7a30_client, tbuffer,1);
|
|
readbuf[1]= Read_Reg(0x40);
|
|
//*tbuffer = 0x47;
|
|
//sensor_rx_data(sc7a30_client, tbuffer,1);
|
|
readbuf[2]= Read_Reg(0x47);
|
|
printk("L%4d:xtilt=%4d,xmis=%4d,xoff=%4d\n\r",__LINE__,
|
|
(unsigned int)readbuf[0],
|
|
(unsigned int)readbuf[1],
|
|
(unsigned int)readbuf[2]
|
|
);
|
|
|
|
readbuf[0]= Read_Reg(0x11);
|
|
readbuf[1]= Read_Reg(0x41);
|
|
readbuf[2]= Read_Reg(0x48);
|
|
printk("L%4d:ytilt=%4d,ymis=%4d,yoff=%4d\n\r",__LINE__,
|
|
(unsigned int)readbuf[0],
|
|
(unsigned int)readbuf[1],
|
|
(unsigned int)readbuf[2]
|
|
);
|
|
readbuf[0]= Read_Reg(0x12);
|
|
readbuf[1]= Read_Reg(0x42);
|
|
readbuf[2]= Read_Reg(0x49);
|
|
printk("L%4d:ztilt=%4d,zmis=%4d,zoff=%4d\n\r",__LINE__,
|
|
(unsigned int)readbuf[0],
|
|
(unsigned int)readbuf[1],
|
|
(unsigned int)readbuf[2]
|
|
);
|
|
|
|
if(xfinalf && yfinalf && zfinalf)
|
|
{
|
|
sensor_write_reg(sc7a30_client,0x13,0x01);
|
|
reg_13 = sensor_read_reg(sc7a30_client,0x13);
|
|
printk("line %d reg_13 = %x\n",__LINE__,reg_13);
|
|
Write_Input(0x1e, 0x15);
|
|
mdelay(300);
|
|
printk(KERN_INFO "run calibration finished\n");
|
|
|
|
return 1;
|
|
} else {
|
|
sensor_write_reg(sc7a30_client,0x13,0x01);//allen MTP
|
|
reg_13 = sensor_read_reg(sc7a30_client,0x13);
|
|
printk("line %d reg_13 = %x\n",__LINE__,reg_13);
|
|
Write_Input(0x1e, 0x15);
|
|
mdelay(300);
|
|
|
|
return 0;
|
|
}
|
|
}
|
|
|
|
/****************operate according to sensor chip:start************/
|
|
|
|
static int sensor_active(struct i2c_client *client, int enable, int rate)
|
|
{
|
|
struct sensor_private_data *sensor =
|
|
(struct sensor_private_data *) i2c_get_clientdata(client);
|
|
int result = 0;
|
|
int status = 0;
|
|
|
|
sensor->ops->ctrl_data = 0x07;
|
|
|
|
if (enable)
|
|
{
|
|
status = SC7A30_ENABLE; //sc7a30
|
|
sensor->ops->ctrl_data |= SC7A30_400HZ;
|
|
} else
|
|
status = ~SC7A30_ENABLE; //sc7a30
|
|
|
|
printk("%s:reg=0x%x,reg_ctrl=0x%x,enable=%d\n",__func__,sensor->ops->ctrl_reg, sensor->ops->ctrl_data, enable);
|
|
result = sensor_write_reg(client, sensor->ops->ctrl_reg, sensor->ops->ctrl_data);
|
|
|
|
if(result)
|
|
printk("%s:fail to active sensor\n",__func__);
|
|
|
|
return result;
|
|
}
|
|
|
|
static int sensor_init(struct i2c_client *client)
|
|
{
|
|
struct sensor_private_data *sensor =
|
|
(struct sensor_private_data *) i2c_get_clientdata(client);
|
|
int result = 0;
|
|
|
|
//mutex_lock(&(sensor->allen_mutex) );//allen
|
|
|
|
printk("aaaaa %s:line=%d\n",__func__,__LINE__);
|
|
|
|
result = sensor->ops->active(client,0,0);
|
|
if (result)
|
|
{
|
|
printk("%s:line=%d,error\n",__func__,__LINE__);
|
|
return result;
|
|
}
|
|
calibrated = 0;
|
|
sc7a30_client = client;
|
|
sensor->status_cur = SENSOR_OFF;
|
|
//sensor->time_of_cali =0;//allen
|
|
offset.x=offset.y=offset.z=0;
|
|
sensor_write_reg(client, SC7A30_BOOT, 0x80);
|
|
mdelay(20);
|
|
result = sensor_write_reg(client, SC7A30_MODE, 0x07);
|
|
|
|
sensor_write_reg(client, SC7A30_MODE3, 0x88);
|
|
// result = sensor_write_reg(client, SC7A30_MODE, 0x77);
|
|
|
|
//register_test();
|
|
if(result)
|
|
{
|
|
printk("aaaaa %s:line=%d,error\n",__func__,__LINE__);
|
|
return result;
|
|
}
|
|
|
|
if(sensor->pdata->irq_enable) //open interrupt
|
|
{
|
|
result = sensor_write_reg(client, SC7A30_MODE2, 0x10);
|
|
result = sensor_write_reg(client, 0x25, 0x02);
|
|
|
|
if(result)
|
|
{
|
|
printk("%s:line=%d,error\n",__func__,__LINE__);
|
|
return result;
|
|
}
|
|
}
|
|
memset(&axis_average, 0, sizeof(struct sensor_axis_average));
|
|
|
|
return result;
|
|
}
|
|
|
|
static int sensor_convert_data(struct i2c_client *client, char high_byte, char low_byte ,s16 off)
|
|
{
|
|
s64 result;
|
|
result = (((s16)((high_byte << 8) + low_byte)) >>4);
|
|
result -= off;
|
|
result = result* SC7A30_GRAVITY_STEP;
|
|
|
|
return (int)result;
|
|
}
|
|
|
|
static int gsensor_report_value(struct i2c_client *client, struct sensor_axis *axis)
|
|
{
|
|
struct sensor_private_data *sensor =
|
|
(struct sensor_private_data *) i2c_get_clientdata(client);
|
|
if (sensor->status_cur == SENSOR_ON) {
|
|
/* Report acceleration sensor information */
|
|
input_report_abs(sensor->input_dev, ABS_X, axis->x);
|
|
input_report_abs(sensor->input_dev, ABS_Y, axis->y);
|
|
input_report_abs(sensor->input_dev, ABS_Z, axis->z);
|
|
input_sync(sensor->input_dev);
|
|
//printk("Gsensor x==%d y==%d z==%d\n",axis->x,axis->y,axis->z);
|
|
}
|
|
return 0;
|
|
}
|
|
|
|
#define GSENSOR_MIN 2
|
|
static int sensor_report_value(struct i2c_client *client)
|
|
{
|
|
|
|
struct sensor_private_data *sensor =
|
|
(struct sensor_private_data *) i2c_get_clientdata(client);
|
|
struct sensor_platform_data *pdata = sensor->pdata;
|
|
int ret = 0;
|
|
int x,y,z;
|
|
struct sensor_axis axis;
|
|
char value = 0;
|
|
//SC7A30_load_user_calibration(client);
|
|
//printk("---------------in--------------------\n");
|
|
#if 0
|
|
memset(buffer1, 0, 3);
|
|
memset(buffer2, 0, 3);
|
|
|
|
*buffer1 = SC7A30_STATUS;
|
|
ret = sensor_rx_data(sc7a30_client, buffer1,1);
|
|
buffer1[0] &= 0x08;
|
|
if(!buffer1[0])
|
|
return ret;
|
|
|
|
*buffer1 = SC7A30_XOUT_L;
|
|
ret = sensor_rx_data(sc7a30_client, buffer1,1);
|
|
*buffer2 = SC7A30_XOUT_H;
|
|
ret = sensor_rx_data(client, buffer2,1);
|
|
if (ret < 0)
|
|
return ret;
|
|
x = sensor_convert_data(sensor->client, buffer2[0], buffer1[0],0); //buffer[1]:high bit
|
|
|
|
*buffer1 = SC7A30_YOUT_L;
|
|
ret = sensor_rx_data(sc7a30_client, buffer1,1);
|
|
*buffer2 = SC7A30_YOUT_H;
|
|
ret = sensor_rx_data(client, buffer2,1);
|
|
if (ret < 0)
|
|
return ret;
|
|
y = sensor_convert_data(sensor->client, buffer2[0], buffer1[0],0);
|
|
*buffer1 = SC7A30_ZOUT_L;
|
|
ret = sensor_rx_data(sc7a30_client, buffer1,1);
|
|
*buffer2 = SC7A30_ZOUT_H;
|
|
ret = sensor_rx_data(client, buffer2,1);
|
|
if (ret < 0)
|
|
return ret;
|
|
z = sensor_convert_data(sensor->client, buffer2[0], buffer1[0],0);
|
|
#else
|
|
char buffer[6] = {0};
|
|
memset(buffer, 0, 6);
|
|
|
|
/* Data bytes from hardware xL, xH, yL, yH, zL, zH */
|
|
*buffer = SC7A30_XOUT_L | 0x80;
|
|
ret = sensor_rx_data(sc7a30_client, buffer, 6);
|
|
if (ret < 0) {
|
|
printk("%s, %d, sensor rx data failed\n", __func__, __LINE__);
|
|
return ret;
|
|
}
|
|
|
|
//this gsensor need 6 bytes buffer
|
|
x = sensor_convert_data(sensor->client, buffer[1], buffer[0], 0); //buffer[1]:high bit
|
|
y = sensor_convert_data(sensor->client, buffer[3], buffer[2], 0);
|
|
z = sensor_convert_data(sensor->client, buffer[5], buffer[4], 0);
|
|
#endif
|
|
|
|
axis.x = (pdata->orientation[0])*x + (pdata->orientation[1])*y + (pdata->orientation[2])*z;
|
|
axis.y = (pdata->orientation[3])*x + (pdata->orientation[4])*y + (pdata->orientation[5])*z;
|
|
axis.z = (pdata->orientation[6])*x + (pdata->orientation[7])*y + (pdata->orientation[8])*z;
|
|
|
|
#if 0
|
|
axis_average.x_average += axis.x;
|
|
axis_average.y_average += axis.y;
|
|
axis_average.z_average += axis.z;
|
|
axis_average.count++;
|
|
|
|
if(axis_average.count >= SC7A30_COUNT_AVERAGE)
|
|
{
|
|
axis.x = axis_average.x_average / axis_average.count;
|
|
axis.y = axis_average.y_average / axis_average.count;
|
|
axis.z = axis_average.z_average / axis_average.count;
|
|
|
|
printk( "%s: axis = %d %d %d \n", __func__, axis.x, axis.y, axis.z);
|
|
|
|
memset(&axis_average, 0, sizeof(struct sensor_axis_average));
|
|
|
|
//Report event only while value is changed to save some power
|
|
if((abs(sensor->axis.x - axis.x) > GSENSOR_MIN) || (abs(sensor->axis.y - axis.y) > GSENSOR_MIN) || (abs(sensor->axis.z - axis.z) > GSENSOR_MIN))
|
|
{
|
|
gsensor_report_value(client, &axis);
|
|
|
|
/* \BB\A5\B3\E2\B5ػ\BA\B4\E6\CA\FD\BE\DD. */
|
|
mutex_lock(&(sensor->data_mutex) );
|
|
sensor->axis = axis;
|
|
mutex_unlock(&(sensor->data_mutex) );
|
|
}
|
|
}
|
|
#else
|
|
gsensor_report_value(client, &axis);
|
|
|
|
/* \BB\A5\B3\E2\B5ػ\BA\B4\E6\CA\FD\BE\DD. */
|
|
mutex_lock(&(sensor->data_mutex) );
|
|
sensor->axis = axis;
|
|
mutex_unlock(&(sensor->data_mutex) );
|
|
#endif
|
|
if((sensor->pdata->irq_enable)&& (sensor->ops->int_status_reg >= 0)) //read sensor intterupt status register
|
|
{
|
|
|
|
value = sensor_read_reg(client, sensor->ops->int_status_reg);
|
|
printk("%s:sensor int status :0x%x\n",__func__,value);
|
|
}
|
|
return ret;
|
|
}
|
|
|
|
static struct sensor_operate gsensor_sc7a30_ops = {
|
|
.name = "gs_sc7a30",
|
|
.type = SENSOR_TYPE_ACCEL, //sensor type and it should be correct
|
|
.id_i2c = ACCEL_ID_SC7A30, //i2c id number
|
|
.read_reg = SC7A30_XOUT_H, //read data
|
|
.read_len = 1, //data length
|
|
.id_reg = SENSOR_UNKNOW_DATA, //read device id from this register
|
|
.id_data = SENSOR_UNKNOW_DATA, //device id
|
|
.precision = SC7A30_PRECISION, //12 bit
|
|
.ctrl_reg = SC7A30_MODE, //enable or disable SC7A30_MODE
|
|
.int_status_reg = SENSOR_UNKNOW_DATA, //intterupt status register
|
|
.range = {-SC7A30_RANGE,SC7A30_RANGE}, //range
|
|
.trig = IRQF_TRIGGER_HIGH|IRQF_ONESHOT,
|
|
.active = sensor_active,
|
|
.init = sensor_init,
|
|
.report = sensor_report_value,
|
|
};
|
|
|
|
/****************operate according to sensor chip:end************/
|
|
static int gsensor_sc7a30_probe(struct i2c_client *client,
|
|
const struct i2c_device_id *devid)
|
|
{
|
|
return sensor_register_device(client, NULL, devid, &gsensor_sc7a30_ops);
|
|
}
|
|
|
|
static int gsensor_sc7a30_remove(struct i2c_client *client)
|
|
{
|
|
return sensor_unregister_device(client, NULL, &gsensor_sc7a30_ops);
|
|
}
|
|
|
|
static const struct i2c_device_id gsensor_sc7a30_id[] = {
|
|
{"gs_sc7a30", ACCEL_ID_SC7A30},
|
|
{}
|
|
};
|
|
|
|
static struct i2c_driver gsensor_sc7a30_driver = {
|
|
.probe = gsensor_sc7a30_probe,
|
|
.remove = gsensor_sc7a30_remove,
|
|
.shutdown = sensor_shutdown,
|
|
.id_table = gsensor_sc7a30_id,
|
|
.driver = {
|
|
.name = "gsensor_sc7a30",
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#ifdef CONFIG_PM
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.pm = &sensor_pm_ops,
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#endif
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},
|
|
};
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|
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module_i2c_driver(gsensor_sc7a30_driver);
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|
|
|
MODULE_AUTHOR("luowei <lw@rock-chips.com>");
|
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MODULE_DESCRIPTION("sc7a30 3-Axis accelerometer driver");
|
|
MODULE_LICENSE("GPL");
|