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bl2028n sdk api reference
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bl2028n模组
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BEKEN_WiFi_SDK_API简介 v 3.0.27
1
BEKEN WiFi-SOC SDK
API Reference
Version 3.0.27
Copyright © 2020
BEKEN_WiFi_SDK_API简介 v 3.0.27
2
Version History
Version Date Description
1.0.0 2019.04 First Release
2.0.0 2019.08 1.Modified about bootloader 2.add qspi/jpeg
moudle
3.0.0 2019.09 1.Adjust document’s structure 2.add BLE
moudle
3.0.3 2020.10 1.Adjust whole directory structure and content
basing on BEKEN SDK 3.0.3
3.0.27 2021.3.30 1.Add OTA API for freertos SDK
BEKEN_WiFi_SDK_API简介 v 3.0.27
3
目录
Version History ......................................................................................................................... 2
1 ADC ....................................................................................................................................... 19
1.1 ADC 简介 ...................................................................................................................... 19
1.2 ADC Related API in .................................................................................................... 19
1.2.1 adc 通用结构体说明 ............................................................................................. 19
1.2.2 创建 adc 检测线程 ............................................................................................... 20
1.2.3 配置 adc 检测通道及回调函数 ........................................................................... 20
1.2.4 启动 adc ................................................................................................................ 20
1.2.5 关闭 adc ................................................................................................................ 20
1.3 ADC 示例代码 ............................................................................................................. 21
2 PWM ..................................................................................................................................... 23
2.1 PWM 简介 .................................................................................................................... 23
2.2 PWM Related API ....................................................................................................... 23
2.2.1 pwm 枚举类型说明 ............................................................................................... 23
2.2.2 初始化 pwm .......................................................................................................... 24
2.2.3 启动 pwm 功能 ..................................................................................................... 24
2.2.4 停止 pwm 功能 ..................................................................................................... 24
2.2.5 7231n 初始化 pwm ................................................................................................ 24
2.2.6 设置 2 个 pwm 组成互斥通道 ............................................................................. 25
2.2.7 调节 pwm 参数 ..................................................................................................... 25
2.2.8 停止 pwm 互斥功能 ............................................................................................. 25
2.2.9 设置 pwm 初始电平为低电平 ............................................................................. 26
2.2.10 设置 pwm 初始电平为高电平 ........................................................................... 26
2.3 PWM 示例代码 ............................................................................................................ 26
2.4 操作说明 ...................................................................................................................... 27
2.4.1 打开配置 ............................................................................................................... 27
2.4.2 运行现象 ............................................................................................................... 27
2.5 注意事项 ...................................................................................................................... 28
3 GPIO ...................................................................................................................................... 29
BEKEN_WiFi_SDK_API简介 v 3.0.27
4
3.1 GPIO 简介 .................................................................................................................... 29
3.2 GPIO Related API ....................................................................................................... 29
3.2.1 设置引脚模式 ....................................................................................................... 29
3.2.2 设置引脚电平 ....................................................................................................... 30
3.2.3 读取引脚电平 ....................................................................................................... 30
3.2.4 绑定引脚中断回调函数 ....................................................................................... 30
3.2.5 使能引脚中断 ....................................................................................................... 30
3.2.6 脱离引脚中断回调函数 ....................................................................................... 31
3.2.6 脱离引脚中断回调函数 ....................................................................................... 31
3.3 GPIO 示例代码 ............................................................................................................ 31
3.3.1 关键说明 ............................................................................................................... 31
3.3.2 示例代码 ............................................................................................................... 32
3.4 操作说明 ...................................................................................................................... 33
3.4.1 打开配置 ............................................................................................................... 33
3.4.2 运行现象 ............................................................................................................... 34
4 Button ................................................................................................................................... 35
4.1 Button 简介................................................................................................................... 35
4.2 Button Realated API ................................................................................................... 35
4.2.1 button 初始化 ........................................................................................................ 35
4.2.2 配置回调函数 ....................................................................................................... 35
4.2.3 开始 button 工作 .................................................................................................. 36
4.2.4 结束 button 工作 .................................................................................................. 36
4.3 Button 示例代码 ........................................................................................................... 36
4.3.1 关键说明 ............................................................................................................... 36
4.3.2 示例代码 ............................................................................................................... 36
4.4 操作说明 ...................................................................................................................... 39
4.4.1 打开配置 ............................................................................................................... 39
4.4.2 按键测试 ............................................................................................................... 39
5 I2C 总线 ................................................................................................................................ 41
5.1 I2C 简介 ....................................................................................................................... 41
5.2 I2C Related API .......................................................................................................... 41
BEKEN_WiFi_SDK_API简介 v 3.0.27
5
5.3 I2C1 读写 eeprom 数据示例如下: ........................................................................... 41
6 I2S 总线 ................................................................................................................................ 47
6.1 I2S 简介 ........................................................................................................................ 47
6.2 I2S Related API ........................................................................................................... 47
6.2.1 i2s 通用结构体说明 ............................................................................................... 47
6.2.2 i2s 模块参数设置 ................................................................................................... 47
6.2.3 i2s 主从设备发送/接收数据 ................................................................................. 48
6.3 I2S 示例代码 ................................................................................................................ 48
6.3.1 关键说明 ............................................................................................................... 48
6.3.2 示例代码 ............................................................................................................... 49
7 通用 SPI ............................................................................................................................... 54
7.1 通用 SPI 简介 .............................................................................................................. 54
7.2 通用 SPI Related API ................................................................................................ 54
7.2.1 spi 通用结构体说明............................................................................................... 54
7.2.2 spi 模块配置 .......................................................................................................... 54
7.2.3 spi 发送数据 .......................................................................................................... 55
7.2.4 spi 接收数据 .......................................................................................................... 55
7.3 通用 SPI 示例代码 ...................................................................................................... 55
7.3.1 关键说明 ............................................................................................................... 56
7.3.2 示例代码 ............................................................................................................... 56
7.4 操作说明 ...................................................................................................................... 59
7.4.1 打开配置 ............................................................................................................... 59
7.4.2 运行现象 ............................................................................................................... 59
7.5 注意事项 ...................................................................................................................... 60
8 通用 SPI FLASH 设备 ........................................................................................................... 61
8.1 通用 SPI FLASH 简介 ................................................................................................ 61
8.2 通用 SPI FLASH Related API .................................................................................. 61
8.2.1 控制设备 ............................................................................................................... 61
8.3 通用 SPI FLASH 示例代码 ........................................................................................ 61
8.3.1 关键说明 ............................................................................................................... 61
8.3.2 示例代码 ............................................................................................................... 62
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