1 /* 2 * Copyright (c) 2022 HiSilicon (Shanghai) Technologies CO., LIMITED. 3 * Licensed under the Apache License, Version 2.0 (the "License"); 4 * you may not use this file except in compliance with the License. 5 * You may obtain a copy of the License at 6 * 7 * http://www.apache.org/licenses/LICENSE-2.0 8 * 9 * Unless required by applicable law or agreed to in writing, software 10 * distributed under the License is distributed on an "AS IS" BASIS, 11 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. 12 * See the License for the specific language governing permissions and 13 * limitations under the License. 14 */ 15 16 #include "mpi_sys.h" 17 #include "sample_lcd.h" 18 #include "sdk.h" 19 20 #ifdef __cplusplus 21 #if __cplusplus 22 extern "C" { 23 #endif 24 #endif /* End of #ifdef __cplusplus */ 25 26 /* 27 * function : main() 28 * Description : main 29 */ main(void)30int main(void) 31 { 32 HI_S32 s32Ret; 33 sdk_init(); 34 /* MIPI is GPIO55, Turn on the backlight of the LCD screen */ 35 system("cd /sys/class/gpio/;echo 55 > export;echo out > gpio55/direction;echo 1 > gpio55/value"); 36 s32Ret = SampleVioVpssVoMipi(); 37 sdk_exit(); 38 SAMPLE_PRT("\nsdk exit success\n"); 39 return s32Ret; 40 } 41 42 #ifdef __cplusplus 43 #if __cplusplus 44 } 45 #endif 46 #endif /* End of #ifdef __cplusplus */