#include "TM16xx.h"
/**
* 此程序在 TM1624,TM1668等芯片上实验过,可以通用
* 其他型号芯片未测试;
*/
unsigned char numb_code[] = {0x3f, 0x06, 0x5b, 0x4f, 0x66, 0x6d, 0x7d, 0x07, 0x7f, 0x6f, 0x00};
/**
* [BitnTransfer description]
* @param dat [description]
* @return [description]
*/
static u8 BitnTransfer(u8 dat)
{
dat = (GETBITN(dat, 0) << 1)
| (GETBITN(dat, 1) >> 1)
| (GETBITN(dat, 2) << 2)
| (GETBITN(dat, 3) << 3)
| (GETBITN(dat, 4) << 1)
| (GETBITN(dat, 5) >> 3)
| (GETBITN(dat, 6) << 1)
| (GETBITN(dat, 7) >> 4);
return dat;
}
/**********TM1668初始化**********/
void TM1668_Init(void)
{
PC_DDR_DDR2 = 1; //STB 设为输出
PC_CR1_C12 = 1; //推挽输出
PC_CR2_C22 = 0; //输出速度：2MHz
PC_DDR_DDR3 = 1; //CLK 设为输出
PC_CR1_C13 = 1; //推挽输出
PC_CR2_C23 = 0; //输出速度：2MHz
PC_DDR_DDR4 = 1; //DIO 设为输出
PC_CR1_C14 = 1; //推挽输出
PC_CR2_C24 = 0; //输出速度：2MHz
}
/*************TM1668写字节函数***********/
static void TM1668_WriteByte(unsigned char Byte)
{
unsigned char i;
for(i = 0; i < 8; i++)
{
TM1668_CLK = 0;
if(Byte & (1 << i))
{
TM1668_DIO = 1;
}
else
{
TM1668_DIO = 0;
}
TM1668_CLK = 1;
}
}
/*************TM1668写指令函数***************/
static void TM1668_WriteCommand(unsigned char Cmd)
{
TM1668_STB = 0; //使能
TM1668_WriteByte(Cmd); //写指令
TM1668_STB = 1; //锁存
}
/************TM1668写地址数据函数**************/
void TM1668_WriteAddrData(unsigned char Addr, unsigned char Data)
{
TM1668_STB = 0; //使能
TM1668_WriteByte(Addr); //写显示地址
TM1668_WriteByte(Data); //写显示数据
TM1668_STB = 1; //锁存
}
/**************TM1668显示函数**************/
void TM1668_Display(void)
{
TM1668_WriteCommand(0X03); //7位显示
TM1668_WriteCommand(0X44); //固定地址
TM1668_WriteAddrData(GRID2, 0);
TM1668_WriteAddrData(GRID3, BitnTransfer(numb_code[2]));
TM1668_WriteAddrData(GRID4, BitnTransfer(numb_code[5]));
TM1668_WriteAddrData(GRID1, BitnTransfer(numb_code[6]));
TM1668_WriteCommand(0X8F); //开显示
}
