spi.h
来自「该代码实现LPC2132平台下的超声波测距功能」· C头文件 代码 · 共 25 行
H
25 行
#ifndef __LED__
#define __LED__
typedef unsigned char uint8; /* defined for unsigned 8-bits integer variable 无符号8位整型变量 */
typedef signed char int8; /* defined for signed 8-bits integer variable 有符号8位整型变量 */
typedef unsigned short uint16; /* defined for unsigned 16-bits integer variable 无符号16位整型变量 */
typedef signed short int16; /* defined for signed 16-bits integer variable 有符号16位整型变量 */
typedef unsigned int uint32; /* defined for unsigned 32-bits integer variable 无符号32位整型变量 */
typedef signed int int32; /* defined for signed 32-bits integer variable 有符号32位整型变量 */
typedef float fp32; /* single precision floating point variable (32bits) 单精度浮点数(32位长度) */
typedef double fp64; /* double precision floating point variable (64bits) 双精度浮点数(64位长度) */
#define HC595_CS (1<<20)
#define HC165_SH_LD (1<<20)
extern void SSP_Init(void);
extern uint8 SSP_SendData(uint8 data);
#endif
/*********************************************************************************************************
** End Of File
********************************************************************************************************/
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