给宝宝做衣服网站,sem算网站设计吗,外贸平台收费标准,下35cm本篇介绍使用轮询方式读取gpio状态来判断按键状态。
原理图如下 GPIO API API名称 说明 hi_u32 hi_gpio_init(hi_void); GPIO模块初始化 hi_u32 hi_io_set_pull(hi_io_name id, hi_io_pull val); 设置某个IO上下拉功能。 hi_u32 hi_gpio_set_dir(hi_gpio_idx id, hi_gpi…本篇介绍使用轮询方式读取gpio状态来判断按键状态。
原理图如下 GPIO API API名称 说明 hi_u32 hi_gpio_init(hi_void); GPIO模块初始化 hi_u32 hi_io_set_pull(hi_io_name id, hi_io_pull val); 设置某个IO上下拉功能。 hi_u32 hi_gpio_set_dir(hi_gpio_idx id, hi_gpio_dir dir); 设置GPIO引脚方向id参数用于指定引脚dir参数用于指定输入或输出 hi_u32 hi_gpio_get_input_val(hi_gpio_idx id, hi_gpio_value* val); 获取某个IO管脚输入电平状态
修改D:\DevEcoProjects\test\src\vendor\rtplay\rt_hi3861\demo\BUILD.gn文件
# Copyright (c) 2023 Beijing HuaQing YuanJian Education Technology Co., Ltd
# Licensed under the Apache License, Version 2.0 (the License);
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an AS IS BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License. import(//build/lite/config/component/lite_component.gni)lite_component(demo) {features [#base_00_helloworld:base_helloworld_example,#base_01_led:base_led_example,base_02_loopkey:base_loopkey_example,]
}
创建D:\DevEcoProjects\test\src\vendor\rtplay\rt_hi3861\demo\base_02_loopkey文件夹
文件夹中创建D:\DevEcoProjects\test\src\vendor\rtplay\rt_hi3861\demo\base_02_loopkey\base_loopkey_example.c文件D:\DevEcoProjects\test\src\vendor\rtplay\rt_hi3861\demo\base_02_loopkey\BUILD.gn文件
# Copyright (c) 2023 Beijing HuaQing YuanJian Education Technology Co., Ltd
# Licensed under the Apache License, Version 2.0 (the License);
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
# http://www.apache.org/licenses/LICENSE-2.0
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an AS IS BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License. static_library(base_loopkey_example) {sources [base_loopkey_example.c,]include_dirs [//utils/native/lite/include,//kernel/liteos_m/kal/cmsis,//base/iot_hardware/peripheral/interfaces/kits,//vendor/hqyj/fs_hi3861/common/bsp/include]
}
/** Copyright (c) 2023 Beijing HuaQing YuanJian Education Technology Co., Ltd* Licensed under the Apache License, Version 2.0 (the License);* you may not use this file except in compliance with the License.* You may obtain a copy of the License at** http://www.apache.org/licenses/LICENSE-2.0** Unless required by applicable law or agreed to in writing, software* distributed under the License is distributed on an AS IS BASIS,* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.* See the License for the specific language governing permissions and* limitations under the License.*/#include stdio.h
#include unistd.h#include cmsis_os2.h
#include hi_gpio.h
#include hi_io.h
#include ohos_init.h#define KEY1 HI_IO_NAME_GPIO_6 // 对应按键key1
#define KEY2 HI_IO_NAME_GPIO_5 // 对应按键key2osThreadId_t Task1_ID 0; // 任务1 ID
hi_gpio_value val1, val1_last, val2, val2_last; // GPIO的状态值
#define TASK_STACK_SIZE 1024
#define TASK_DELAY_TIME (200 * 1000)/*** description: 任务1* param {*}* return {*}*/
void Task1(void)
{printf(enter Task 1.......\r\n);hi_gpio_init(); // GPIO初始化hi_io_set_pull(KEY1, HI_IO_PULL_UP); // 设置GPIO上拉hi_io_set_func(KEY1, HI_IO_FUNC_GPIO_6_GPIO); // 设置IO16为GPIO功能hi_gpio_set_dir(KEY1, HI_GPIO_DIR_IN); // 设置GPIO为输入模式hi_io_set_pull(KEY2, HI_IO_PULL_UP); // 设置GPIO上拉hi_io_set_func(KEY2, HI_IO_FUNC_GPIO_5_GPIO); // 设置IO15为GPIO功能hi_gpio_set_dir(KEY2, HI_GPIO_DIR_IN); // 设置GPIO为输入模式while (1) {hi_gpio_get_input_val(KEY1, val1); // 获取GPIO引脚的状态if (val1 ! val1_last) {// 当GPIO状态改变的时候, 打印输出printf(key1Value: %s\r\n, val1 ? HI_GPIO_VALUE_1 : HI_GPIO_VALUE_0);val1_last val1;}hi_gpio_get_input_val(KEY2, val2); // 获取GPIO引脚的状态if (val2 ! val2_last) {// 当GPIO状态改变的时候, 打印输出printf(key2Value: %s\r\n, val2 ? HI_GPIO_VALUE_1 : HI_GPIO_VALUE_0);val2_last val2;}// 200ms一检测usleep(TASK_DELAY_TIME); // 200ms sleep}
}/*** description: 初始化并创建任务* param {*}* return {*}*/
static void base_key_demo(void)
{printf([demo] Enter base_key_demo()!\r\n);osThreadAttr_t taskOptions;taskOptions.name Task1; // 任务的名字taskOptions.attr_bits 0; // 属性位taskOptions.cb_mem NULL; // 堆空间地址taskOptions.cb_size 0; // 堆空间大小taskOptions.stack_mem NULL; // 栈空间地址taskOptions.stack_size TASK_STACK_SIZE; // 栈空间大小 单位:字节taskOptions.priority osPriorityNormal; // 任务的优先级:wqTask1_ID osThreadNew((osThreadFunc_t)Task1, NULL, taskOptions); // 创建任务1if (Task1_ID ! NULL) {printf(ID %d, Create Task1_ID is OK!\r\n, Task1_ID);}
}
SYS_RUN(base_key_demo);目录结构
│ config.json
│
├─common
│ └─bsp
│ ├─include
│ └─src
├─demo
│ │ BUILD.gn
│ │
│ ├─base_00_helloworld
│ │ base_helloworld_example.c
│ │ BUILD.gn
│ │
│ ├─base_01_led
│ │ base_led_example.c
│ │ BUILD.gn
│ │
│ └─base_02_loopkey
│ base_loopkey_example.c
│ BUILD.gn
│
└─doc│ HarmonyOS开发板实验指导书 v2.1.pdf│ 华清远见 FS_Hi3861开发指导.md│ 华清远见 FS_Hi3861新手入门手册.md│├─board│ FS-Hi3861-V4.2.pdf│ FS-Hi3861QDB-V3.2.pdf│ hi-12f_kit_v1.1.0A7E6BCB9%A6-20211025.pdf│ hi-12f_v1.1.2-A7E6BCB9%A6-20211202.pdf│ nodemcu-hi-07s_12f-kit_v1.1-20210913.pdf│ RTplay2.01_2024-06-14.pdf│└─figures
使用build编译成功后使用upload进行烧录。
运行效果如下按下按键会有对应按键状态输出。
