voidI2C1_GPIO_AF_Config(void)//I2C1 : SCL->B8 SDA->B9{//GPIO端口设置GPIO_InitTypeDef GPIO_InitStructure; RCC_APB1PeriphClockCmd(RCC_APB1Periph_I2C1, ENABLE); RCC_APB2PeriphClockCmd(RCC_APB2Periph_GPIOB| RCC_APB2Periph_AFIO, ENABLE);//使GPIOB时钟以及复用功能时钟GPIO_PinRemapConfig(GPIO...
[ 0.071738] OF: /soc@0/bus@30800000/i2c@30a40000/pcal6408@20/led@6: could not get #gpio-cells for /cpus/idle-states/cpu-pd-wait[ 0.071777] OF: /soc@0/bus@30800000/i2c@30a40000/pcal6408@20/led@7: could not get #gpio-cells for /soc@0/bus...
启用/禁用 SPI 接口并自动加载 SPI 内核模块,这是 PiFace 等产品所需的。 I2C 启用/禁用 I2C 接口并自动加载 I2C 内核模块。 Serial 在串行连接上启用/禁用 shell 和内核消息。 1-wire 启用/禁用 Dallas 1-wire 接口. 这通常用于DS18B20温度传感器。 Remote GPIO 启用或禁用对 GPIO 引脚的远程访问。 Performan...
setup_i2c(0, CONFIG_SYS_I2C_SPEED, 0x7f, &i2c_pad_info1); #endif 4 changes: 2 additions & 2 deletions 4 board/tqc/tqma6/tqma6.c Original file line numberDiff line numberDiff line change @@ -171,7 +171,7 @@ int board_spi_cs_gpio(unsigned bus, unsigned cs) #endif #endif #...
复用指的是GPIO 切换到CPU 内部设备(比如SPI,I2C,UART 等电路),也就是GPIO 不是作为普通IO 使用,是由内部设备直接驱动。 推挽和开漏的特征同上。 3.4 四种输入模式 浮空输入:CPU 内部的上拉电阻、下拉电阻均断开的输入模式。 下拉输入:CPU 内部的下拉电阻使能、上拉电阻断开的输入模式。
LIBS-$(CONFIG_SPL_I2C_SUPPORT) += drivers/i2c/libi2c.o LIBS-$(CONFIG_SPL_GPIO_SUPPORT) += drivers/gpio/libgpio.o LIBS-$(CONFIG_SPL_MMC_SUPPORT) += drivers/mmc/libmmc.o LIBS-$(CONFIG_SPL_SERIAL_SUPPORT) += drivers/serial/libserial.o ...
h deviceauth.h deviceauth_curl.h eventloop.h gpio.h gpio.h 函数 结构 枚举 IOCTL GPIO_SET_PIN_CONFIG_IOCTL Typedef i2c.h log.h networking.h networking_curl.h powermanagement.h pwm.h rtc.h spi.h storage.h sysevent.h uart.h wificonfig.h 基本API Azure Sphere 公共 API 资源 下...
#define TOUCH_I2C_SCL_PIN static_cast<gpio_num_t>(TP_SCL) #define BUILTIN_LED_GPIO GPIO_NUM_NC #define KEY1_BUTTON_GPIO static_cast<gpio_num_t>(KEY1) #define VOLUME_UP_BUTTON_GPIO GPIO_NUM_NC #define VOLUME_DOWN_BUTTON_GPIO GPIO_NUM_NC #define DISPLAY_WIDTH LCD_WIDTH #define DIS...
GPIO I2C RTC SDIO SPI UART WATCHDOG EMMC DSI PWM PanSensor Sensor 模型 WLAN 系统基础能力子系统集 用户程序框架 AbilityKit BundleManager 公共通信子系统 Softbus 图形及UI子系统 Surface Window UI_Components UI_DFX UI_Animator UI_Utils UI_Common UI_Events ...
CONFIG_PACKAGE_kmod-i2c-core=y # CONFIG_PACKAGE_kmod-i2c-algo-bit is not set # CONFIG_PACKAGE_kmod-i2c-algo-pca is not set # CONFIG_PACKAGE_kmod-i2c-algo-pcf is not set # CONFIG_PACKAGE_kmod-i2c-gpio is not set # CONFIG_PACKAGE_kmod-i2c-gpio-custom is not set CONFIG_PACK...