os.h
来自「IXP425 平台下嵌入式LINUX的I2Cz总线的驱动程序」· C头文件 代码 · 共 39 行
H
39 行
#include <linux/delay.h>#include <linux/sched.h> #include <asm/system.h>#include <asm/types.h>#include <asm/arch/ixp425-gpio.h>#define LOCAL static#define STATUS int#define UINT8 u8#define UINT32 u32#define ERROR (-1)#define OK 0#define ixp425GPIOLineConfig gpio_line_config#define ixp425GPIOLineGet gpio_line_get#define ixp425GPIOLineSet gpio_line_set#define sysMicroDelay(x) udelay(x)#define IXP425_GPIO_SIG intstatic inline int intLock(void){ int flags; save_flags(flags); cli(); return flags;}static inline void intUnlock(int flags){ restore_flags(flags);}static inline void taskDelay(int milliseconds){ current->state = TASK_INTERRUPTIBLE; schedule_timeout((milliseconds*HZ)/1000);}
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