tm16xx系列驱动程序

#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 }