gpio.h
来自「基于GM8180,NSF2200F的GPIO驱动,LINUX平台,可作为驱动参考」· C头文件 代码 · 共 25 行
H
25 行
typedef struct { u_int group;
u_int ctrl_pin; u_int data_out; u_int data_in;
u_int int_clear; u_int data_direct; u_int int_enable; u_int int_trigger;
u_int int_both; u_int int_riseneg; } gpio_params;
/* Use 'g' as magic number */#define IOC_MAGIC 'g'#define GPIO_SET_DATA_OUTPUT _IOWR(IOC_MAGIC, 8, gpio_params)#define GPIO_READ_DATA_INPUT _IOWR(IOC_MAGIC, 9, gpio_params)#define GPIO_SET_DATA_DIRECT _IOWR(IOC_MAGIC, 10, gpio_params)
#define GPIO_SET_INT_FUNC _IOWR(IOC_MAGIC, 11, gpio_params)#define GPIO_SET_INT _IOWR(IOC_MAGIC, 12, gpio_params)#define GPIO_CLEAR_INT _IOWR(IOC_MAGIC, 13, gpio_params)
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