MSP430驱动ZLG7289：I2C协议LED与键盘控制

////ACLK=N/A,MCLK=SMCLK=default(DCO~800k)
//硬件连接:
////     MSP430 Broad               ZLG7289 Broad
////   ------------------         ------------------
////   |      VCC       | ------> |      VCC       |
////   |      P57       | ------> |      CS        |        
////   |      P56      | ------> |      CLK       |
////   |      P55      | <-----> |      DAT       |
////   |      P24       | <------ |    KEY(INT)    |
////   |      GND       | ------> |      GND       |
////   ------------------         ------------------
//当前演示程序功能描述:
////当有按键按下时,430进入中断读取键值,显示在LED数码管上
////     MSP430 Broad               ZLG7289 Broad
////   ------------------         ------------------
////   |      VCC       | ------> |      VCC       |
////   |      P65       | ------> |      CS        |        
////   |      P64      | ------> |      CLK       |
////   |      P63      | <-----> |      DAT       |
////   |      P24       | <------ |    KEY(INT)    |
////   |      GND       | ------> |      GND       |
////   ------------------         ------------------


/*********************************************************/

#include "msp430x26x.h"
#define Z7289_CS           BIT7                    //P5.7
#define Z7289_CLK          BIT6                    //P5.6
#define Z7289_DAT          BIT5                    //P5.5

#define Z7289_KEY          BIT4                    //P2.4

#define Z7289_DIR          P5DIR
#define Z7289_OUT          P5OUT
#define Z7289_IN           P5IN
#define Z7279_INT_DIR      P2DIR
#define Z7279_INT_IE       P2IE
#define Z7279_INT_IES      P2IES
#define Z7279_INT_IFG      P2IFG                            //定义MSP430端口

#define Z7289_CS_LO        Z7289_OUT &= ~Z7289_CS
#define Z7289_CS_HI        Z7289_OUT |= Z7289_CS
#define Z7289_CLK_LO       Z7289_OUT &= ~Z7289_CLK
#define Z7289_CLK_HI       Z7289_OUT |= Z7289_CLK
#define Z7289_DAT_LO       Z7289_OUT &= ~Z7289_DAT
#define Z7289_DAT_HI       Z7289_OUT |= Z7289_DAT
//定义ZLG7289功能
#define Z7289_RESET        Z7289_Send1(0xA4)                //复位
#define Z7289_TEST         Z7289_Send1(0xBF)                //LED全亮测试
#define Z7289_LMOV         Z7289_Send1(0xA1)                //显示左移低位全灭
#define Z7289_RMOV         Z7289_Send1(0xA0)                //显示右移高位全灭
#define Z7289_RLMOV        Z7289_Send1(0xA3)                //循环右移
#define Z7289_RRMOV        Z7289_Send1(0xA2)                //循环左移

const unsigned char DelayConst = 0;                         //系统延时
const unsigned char Code[3]={0x80,0xC8,0x90};               //显示方式，分别为下载数据0译码，1译码，不译码，还有闪烁，消隐，段点亮，段关闭
//const unsigned char Keys[16]={0x02,0x30,0x32,0x34,0x20,0x22,0x24,0x10,0x12,0x14,0x36,0x26,0x16,0x06,0x00,0x04};//按键编码
const unsigned char Keys[16]={0x02,0x07,0x0f,0x17,0x1f,0x27,0x2f,0x37,0x3f,0x14,0x36,0x26,0x16,0x06,0x00,0x04};//按键编码
void Z7289_Delayt(unsigned int dtime);
void Z7289_Send1(unsigned char dat);