LinuxIIC是Linux内核中的一个I2C总线子系统,提供对I2C设备的支持。I2C(Inter-Integrated Circuit)总线是一种用于连接微处理器和外部设备的串行通信总线,被广泛应用于各种嵌入式系统中。在Linux操作系统中,IIC驱动程序负责管理I2C总线上的设备,向用户空间提供接口,使应用程序可以与I2C设备进行通信。LinuxIIC子系统的架构包...
conststructi2c_device_id *);int(*remove)(structi2c_client *);// 与枚举无关的驱动程序模型接口void(*shutdown)(structi2c_client *);int(*suspend)(structi2c_client *,pm_message_tmesg);int(*resume)(structi2c_client *);void(*alert)(structi2c_client *,unsignedintdata...
u8 shift; u8 repeat;enumiio_endian endianness; } scan_type;longinfo_mask_separate;longinfo_mask_separate_available;longinfo_mask_shared_by_type;longinfo_mask_shared_by_type_available;longinfo_mask_shared_by_dir;longinfo_mask_shared_by_dir_available;longinfo_mask_shared_by_all;longinfo_mask_s...
(CONFIG_SYS_I2C) int cur_i2c_bus; /* 当前使用的i2c总线 */ #endif #ifdef CONFIG_SYS_I2C_MXC void *srdata[10]; #endif unsigned int timebase_h; unsigned int timebase_l; #if CONFIG_VAL(SYS_MALLOC_F_LEN) unsigned long malloc_base; /* 早期malloc()的基地址 */...
[Unit] Description=My Program Service After=network.target [Service] ExecStart=/path/to/my_program Restart=on-failure StartLimitIntervalSec=60 StartLimitBurst=3 [Install] WantedBy=multi-user.target 常见问题及解决方法 问题:文件锁在某些情况下可能不起作用,例如文件系统不支持锁或进程异常终止导致锁文件未...
I2C SLAVENormal/Byte modeI2C controller configuration on byte mode FIFO modeI2C controller configuration on FIFO mode 7-bit addressing7-bit addressing 10-bit addressing10-bit addressing Repeat startRepeat start on transfer of data Clock stretchingClock line stretching ...
I2C SLAVE Normal/Byte mode I2C controller configuration on byte mode FIFO mode I2C controller configuration on FIFO mode 7-bit addressing 7-bit addressing 10-bit addressing 10-bit addressing Repeat start Repeat start on transfer of data ...
tkey_twi_id 用于选择i2c adapter,可选 1 , 2 tkey_twi_addr 指明i2c设备地址,与具体硬件相关 tkey_int 触摸按键中断信号的GPIO配置 示例: 代码语言:javascript 代码运行次数:0 复制Cloud Studio 代码运行 [tkey_para] tkey_used = 0 tkey_twi_id = tkey_twi_addr = tkey_int = 3.11马达 3.11.1...
3.5 I2C总线 3.5.1 [twi] 示例: [twi0] twiX_used = 1 twiX_scl = port:PB00<2> twiX_sda = port:PB01<2> 3.6 串口(UART) 3.6.1 [uart] 示例: [uart1] uart1_used = 0 uart1_port = 1uart1_type = 8 uart1_tx = port:PA10<4><1> uart1_rx = port:PA11<4><1> uart1_rts ...
3.5I2C总线 3.5.1 [twi] 示例: [twi0] twiX_used = 1 twiX_scl = port:PB00<2> twiX_sda = port:PB01<2> 3.6 串口(UART) 3.6.1 [uart] 示例: [uart1] uart1_used = 0 uart1_port = 1uart1_type = 8 uart1_tx = port:PA10<4><1> uart1_rx = port:PA11<4><1> uart1_rts =...