Python 电机驱动器TM1637

#include <stdio.h> #include "wiringPi.h" int nums[10]={0b00111111,0b00000110,0b01011011,0b01001111,0b01100110,0b01101101,0b1111101,0b00000111,0b01111111,0b01101111}; void initmode(int dio,int clk) { wiringPiSetupGpio(); pinMode(dio,OUTPUT); pinMode(clk,OUTPUT); digitalWrite(dio,HIGH); digitalWrite(clk,HIGH); } //开始条件，默认clk高，dio高，clk高的时候，将dio从高拉低 void start(int dio,int clk) { digitalWrite(clk,HIGH); delayMicroseconds(2); digitalWrite(dio,HIGH); delayMicroseconds(2); digitalWrite(dio,LOW); delayMicroseconds(2); digitalWrite(clk,LOW); delayMicroseconds(2); } //结束条件，默认clk低，dio低，clk低的时候，将dio从低拉高 void end(int dio,int clk) { digitalWrite(clk,LOW); delayMicroseconds(2); digitalWrite(dio,LOW); delayMicroseconds(2); digitalWrite(clk,HIGH); delayMicroseconds(2); digitalWrite(dio,HIGH); delayMicroseconds(2); } void lcdwrite(int dio,int clk,int data) { for(int i=0;i<8;i++){ //拉低clk digitalWrite(clk,LOW); //切换dio状态，低位在前LSB if(data &0x01){ digitalWrite(dio,HIGH); } else{ digitalWrite(dio,LOW); } delayMicroseconds(3); data = data>>1; //上升沿触发数据锁存 digitalWrite(clk,HIGH); delayMicroseconds(3); } //下降沿触发ack,第八个下降沿 digitalWrite(clk,LOW); delayMicroseconds(5); //强制拉高dio,判断ack回应数据，必须在clk低电平时操作，否则可能触发stop digitalWrite(dio,HIGH); delayMicroseconds(2); //第九个时钟 digitalWrite(clk,HIGH); delayMicroseconds(2); pinMode(dio,INPUT); delayMicroseconds(2); if(digitalRead(dio)==HIGH){ //没有响应，出错 pinMode(dio,OUTPUT); delayMicroseconds(2); digitalWrite(dio,HIGH); delayMicroseconds(2); return; }else{ //有响应了 pinMode(dio,OUTPUT); delayMicroseconds(2); digitalWrite(dio,HIGH); delayMicroseconds(2); } } //地址自动加一模式，data使用列表 void send_auto_data(int dio,int clk,int a1,int a2,int a3,int a4,int falg){ //1.设置数据command1 start(dio,clk); lcdwrite(dio,clk,0b01000000); end(dio,clk); //2.设置地址command2 1100 0000 start(dio,clk); lcdwrite(dio,clk,0b11000000); //3.data-n lcdwrite(dio,clk,nums[a1]); if(falg==1) lcdwrite(dio,clk,nums[a2] |0X80); else lcdwrite(dio,clk,nums[a2]); lcdwrite(dio,clk,nums[a3]); lcdwrite(dio,clk,nums[a4]); end(dio,clk); //4.command3:控制显示 start(dio,clk); lcdwrite(dio,clk,0b10001111); end(dio,clk); } //固定地址模式，0x0为第一个数码管，以此类推 void send_addr_data(int dio,int clk,int addr,int data,int flag){ if(addr<0||addr>3) return; //1.设置数据command1 start(dio,clk); lcdwrite(dio,clk,0B01000100); end(dio,clk); //2.设置地址command2 start(dio,clk); addr |=(0b11000000); lcdwrite(dio,clk,addr); //3.data-n if(flag==0) lcdwrite(dio,clk,nums[data]); else lcdwrite(dio,clk,nums[data] |0x80); end(dio,clk); //4.command3:控制显示 start(dio,clk); lcdwrite(dio,clk,0B10001111); end(dio,clk); } #include"Python.h" static PyObject* LCD_init(PyObject* self,PyObject * args) { int dio; int clk; if(!(PyArg_ParseTuple(args,"ii",&dio,&clk))) return (PyObject*)Py_BuildValue("z",NULL); initmode(dio,clk); return (PyObject*)Py_BuildValue("z",NULL); } static PyObject* LCD_send_addr(PyObject* self,PyObject * args) { int dio; int clk; int addr; int data; int flag; if(!(PyArg_ParseTuple(args,"iiiii",&dio,&clk,&addr,&data,&flag))) return (PyObject*)Py_BuildValue("z",NULL); send_addr_data(dio,clk,addr,data,flag); return (PyObject*)Py_BuildValue("z",NULL); } static PyObject* LCD_send_auto(PyObject* self,PyObject * args) { int dio; int clk; int data1,data2,data3,data4; int flag; if(!(PyArg_ParseTuple(args,"iiiiiii",&dio,&clk,&data1,&data2,&data3,&data4,&flag))) return (PyObject*)Py_BuildValue("z",NULL); send_auto_data(dio,clk,data1,data2,data3,data4,flag); return (PyObject*)Py_BuildValue("z",NULL); } static PyMethodDef pyFunArr[]={ {"init",LCD_init,METH_VARARGS}, {"send_addr",LCD_send_addr,METH_VARARGS}, {"send_auto",LCD_send_auto,METH_VARARGS}, }; void initLCD(void) { Py_InitModule("LCD",pyFunArr); }