620 void (*prepare_recovery)(struct i2c_adapter *adap);/* recovery前的准备,比如disable i2c controller、复位(assert)i2c controller、disable clock等 */ 621 void (*unprepare_recovery)(struct i2c_adapter *adap);/* recovery后的工作,比如enable clock、解复位(deassert)i2c controller、 enable i2c cont...
structi2c_bus_recovery_info*bus_recovery_info; conststructi2c_adapter_quirks*quirks; structirq_domain*host_notify_domain; structregulator*bus_regulator; }; 几个重要的成员: name:适配器的名称。 nr:适配器的编号。 bus_lock和bus_unlock:用于保护对适配器的并发访问的锁机制。 algo:指向I2C算法结构体的...
主要用来完成i2c总线控制器相关的数据通信,此结构体在芯片厂商提供的代码中维护。 697structi2c_adapter{698structmodule*owner;699unsignedintclass;/* classes to allow probing for */700conststructi2c_algorithm*algo;//很重要根据rk的SOC 实现的通信算法701void*algo_data;702703/* data fields that are valid ...
This is now included as integral part of the uTasker I2C driver code - for reference, the detection/recovery code for the pins as used by the accelerometer on the KL25 freedom board is show below. In case of interest in trying this, I have attached a binary for the FRDM-KL25Z which ...
MITTI2C BusRecovery The future is yours Microsoft Build · 2025/5/20 – 2025/5/23 立即注册 消除警报 Learn 登录 Windows 硬件开发人员 浏览 下载 Windows 驱动程序工具包示例 疑难解答 资源 仪表板 Device.BusController 其他文档 Device.Cluster Device.Connectivity...
MITTI2C BusRecovery Learn 登入 Windows 硬體開發人員 瀏覽 下載 Windows 驅動程式套件範例 疑難排解 資源 儀表板 本主題的部分內容可能是機器或 AI 翻譯。 關閉警示 Device.BusController 其他文件 Device.Cluster Device.Connectivity Device.DevFund Device.Display...
struct i2c_bus_recovery_info *bus_recovery_info; const struct i2c_adapter_quirks *quirks; struct irq_domain *host_notify_domain; struct regulator *bus_regulator; }; 几个重要的成员: name:适配器的名称。 nr:适配器的编号。 bus_lock 和 bus_unlock:用于保护对适配器的并发访问的锁机制。
/*StartI2Ctransfer*/result=i2c_imx_start(i2c_imx);if(result){if(i2c_imx->adapter.bus_recovery_info) { i2c_recover_bus(&i2c_imx->adapter); result = i2c_imx_start(i2c_imx); } } if (result) goto fail0; /* read/write data */ for (i = 0; i<num;i++){if(i==num-1)is_las...
struct i2c_bus_recovery_info *bus_recovery_info; const struct i2c_adapter_quirks *quirks; struct irq_domain *host_notify_domain; }; algo代表i2c_adapter所对应的i2c_algorithm,i2c_algorithm中的函数主要是为了实现设备与驱动的通信 struct i2c_algorithm { ...
/* owned by the I2C core */ #define I2C_ALF_IS_SUSPENDED 0 #define I2C_ALF_SUSPEND_REPORTED 1 int nr; char name[48]; struct completion dev_released; struct mutex userspace_clients_lock; struct list_head userspace_clients; struct i2c_bus_recovery_info *bus_recovery_info; const struct ...