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大小: 24KB文件類型: .zip金幣: 1下載: 0 次發布日期: 2021-01-05
- 語言: 其他
- 標簽: msp430f149??I2C通信??
資源簡介
基于msp430f149的IIC通信,備注,簡單明了
代碼片段和文件信息
#include???
unsigned?char?pdin_data=0;
///////////////////////////////////////
#define?IIC_DIR?P5DIR???????????????????????
#define?IIC_OUT?P5OUT
#define?IIC_IN??P5IN
#define?IIC_SCL?BIT2? //SCL定義
#define?IIC_SDA?BIT1 //SDA定義
#define?S_SDA IIC_OUT?|=?IIC_SDA //SDA置位
#define?S_SCL? IIC_OUT?|=?IIC_SCL //SCL置位
#define?C_SDA IIC_OUT?&=?~IIC_SDA //SDA復位
#define?C_SCL??IIC_OUT?&=?~IIC_SCL //SCL復位
#define?SDA_IN???IIC_DIR?&=?~IIC_SDA??//設置SDA為輸入
#define?SDA_OUT??IIC_DIR?|=?IIC_SDA ??//設置SDA為輸出
#define?READ_SDA??(IIC_IN&IIC_SDA) ??//讀SDA電平
#define W_DEVICE_ADR?0xae?????????//24C02的寫地址????A0?A1?A2??均為0
#define R_DEVICE_ADR?0xaf ??//24c02的讀地址????A0?A1?A2??均為0
#define?FREQUENCY 4000??//MCLK的頻率?4000kHz
#define?LOOPBODY 8?????//在MSP430中
?屬性????????????大小?????日期????時間???名稱
-----------?---------??----------?-----??----
?????目錄???????????0??2013-09-02?14:51??IIC\
?????文件????????2057??2013-09-01?22:38??IIC\1.dep
?????文件???????50229??2011-07-11?16:05??IIC\1.ewp
?????文件?????????155??2013-09-01?16:11??IIC\1.eww
?????目錄???????????0??2013-09-02?14:51??IIC\Debug\
?????目錄???????????0??2013-09-02?14:51??IIC\Debug\Exe\
?????文件???????21458??2013-09-01?20:34??IIC\Debug\Exe\1.d43
?????目錄???????????0??2013-09-01?16:11??IIC\Debug\List\
?????目錄???????????0??2013-09-02?14:51??IIC\Debug\Obj\
?????文件?????????141??2013-09-01?22:38??IIC\Debug\Obj\1.pbd
?????文件???????28062??2013-09-01?16:11??IIC\Debug\Obj\main.r43
?????文件????????7307??2013-09-01?16:11??IIC\main.c
?????目錄???????????0??2013-09-02?14:51??IIC\settings\
?????文件?????????931??2013-09-01?22:37??IIC\settings\1.cspy.bat
?????文件??????????63??2013-09-01?22:38??IIC\settings\1.dbgdt
?????文件?????????486??2013-09-01?22:38??IIC\settings\1.dni
?????文件????????2655??2013-09-01?22:38??IIC\settings\1.wsdt
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