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64 lines
1.8 KiB
C
64 lines
1.8 KiB
C
/*
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* Copyright (C) 2015 The CyanogenMod Project
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*
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* Licensed under the Apache License, Version 2.0 (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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*
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* http://www.apache.org/licenses/LICENSE-2.0
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*
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* Unless required by applicable law or agreed to in writing, software
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* distributed under the License is distributed on an "AS IS" BASIS,
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* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
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* See the License for the specific language governing permissions and
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* limitations under the License.
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*/
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#include <stdio.h>
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <fcntl.h>
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int main() {
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FILE *f1, *f2, *f3;
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int calibvals[3];
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f1 = fopen("/sys/devices/virtual/bst/ACC/fast_calibration_x","w");
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if (f1 == NULL) return -1;
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f2 = fopen("/sys/devices/virtual/bst/ACC/fast_calibration_y","w");
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if (f2 == NULL) return -1;
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f3 = fopen("/sys/devices/virtual/bst/ACC/fast_calibration_z","w");
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if (f3 == NULL) return -1;
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fprintf(f1,"3");
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fprintf(f2,"3");
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fprintf(f3,"1");
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fclose(f1);
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fclose(f2);
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fclose(f3);
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f1 = fopen("/sys/devices/virtual/bst/ACC/offset_x","r");
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if (f1 == NULL) return -1;
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f2 = fopen("/sys/devices/virtual/bst/ACC/offset_y","r");
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if (f2 == NULL) return -1;
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f3 = fopen("/sys/devices/virtual/bst/ACC/offset_z","r");
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if (f3 == NULL) return -1;
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fscanf(f1,"%d",&calibvals[0]);
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fscanf(f2,"%d",&calibvals[1]);
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fscanf(f3,"%d",&calibvals[2]);
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fclose(f1);
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fclose(f2);
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fclose(f3);
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f1 = fopen("/data/misc/sensor/fast_calib_a","w");
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if (f1 == NULL) return -2;
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fprintf(f1,"%d,%d,%d",calibvals[0],calibvals[1],calibvals[2]);
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fclose(f1);
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return 0;
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}
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