1 /* 2 * Copyright (c) 2022 Unionman Technology Co., Ltd. 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 #ifndef __UM_GPIO_H__ 17 #define __UM_GPIO_H__ 18 19 #define UM_GPIO_EXPORT "/sys/class/gpio/export" 20 #define UM_GPIO_UNEXPORT "/sys/class/gpio/unexport" 21 #define UM_GPIO_PEX "/sys/class/gpio/gpio" 22 23 // hilog 24 #undef LOG_DOMAIN 25 #undef LOG_TAG 26 #define LOG_DOMAIN 0 // 标识业务领域，范围0x0~0xFFFFF 27 #define LOG_TAG "GPIO_TEST" 28 29 // gpios 30 #define UM_GPIO_01 380 /* GPIO.7 */ 31 #define UM_GPIO_02 381 /* GPIO.0 */ 32 #define UM_GPIO_03 382 /* GPIO.2 */ 33 #define UM_GPIO_04 383 /* GPIO.3 */ 34 #define UM_GPIO_05 384 /* GPIO.21 */ 35 #define UM_GPIO_06 385 /* GPIO.22 */ 36 #define UM_GPIO_07 386 /* GPIO.23 */ 37 #define UM_GPIO_08 387 /* GPIO.24 */ 38 #define UM_GPIO_09 388 /* GPIO.25 */ 39 #define UM_GPIO_10 389 /* GPIO.1 */ 40 #define UM_GPIO_11 390 /* GPIO.4 */ 41 #define UM_GPIO_12 391 /* GPIO.5 */ 42 #define UM_GPIO_13 392 /* GPIO.6 */ 43 #define UM_GPIO_14 393 /* GPIO.30 */ 44 #define UM_GPIO_15 394 /* GPIO.26 */ 45 #define UM_GPIO_16 395 /* GPIO.27 */ 46 47 // spi cs 48 #define UM_GPIO_SPI_CS 486 /* SS0 */ 49 50 // direction 51 #define UM_GPIO_DIRECTION_IN 0 52 #define UM_GPIO_DIRECTION_OUT 1 53 54 // is export 55 #define UM_GPIO_NOT_EXPORT 0 56 #define UM_GPIO_EXPORTED 1 57 58 // errno 59 #define UM_GPIO_ERR (-1) 60 #define UM_GPIO_NOT_EXPROT_ERROR (-2) 61 62 // value high - low level 63 #define UM_GPIO_LOW_LEVE 0 64 #define UM_GPIO_HIGH_LEVE 1 65 66 /** 67 * set gpio export 68 * @param gpioNum gpioNum 69 * @param bExport export,0:not export 1:export 70 */ 71 int UM_GPIO_Export(int gpioNum, int bExport); 72 73 /** 74 * set gpio direction 75 * @param gpioNum gpioNum 76 * @param direction direction,0:in 1:out 77 */ 78 int UM_GPIO_SetDirection(int gpioNum, int direction); 79 80 /** 81 * set gpio value 82 * @param gpioNum gpioNum 83 * @param value value,0:low 1:high 84 */ 85 int UM_GPIO_SetValue(int gpioNum, int value); 86 87 /** 88 * check gpio export or not 89 * @param gpioNum gpioNum 90 * @param *value export,0:not export 1:exported 91 */ 92 int UM_GPIO_IsExport(int gpioNum, int *value); 93 94 /** 95 * get gpio direction 96 * @param gpioNum gpioNum 97 * @param *value direction,0:in 1:out 98 */ 99 int UM_GPIO_GetDirection(int gpioNum, int *value); 100 101 /** 102 * get gpio value 103 * @param gpioNum gpioNum 104 * @param *value value,0:low 1:high 105 */ 106 int UM_GPIO_GetValue(int gpioNum, int *value); 107 108 #endif /* __UM_GPIO_H__ */