Jack Hansdampf / LCD_i2c_GSOE

LCD Baseshield GSOE

Dependents:   DigitaleingabeBluetooth_TI4 Temperatursever_TI4 BelueftungMitDS1820 ZustandCodeschloss ... more

LCD.cpp@13:1d86cdba3ff5, 2022-03-03 (annotated)

Committer:
jack1930
Date:
Thu Mar 03 13:42:31 2022 +0000
Revision:
13:1d86cdba3ff5
Parent:
7:c3d157395c16
Child:
14:2d570187d0ca
cls locate putc

Who changed what in which revision?

UserRevisionLine numberNew contents of line
jack1930 0:0eebf803661c 1 #include "LCD.h"
jack1930 0:0eebf803661c 2
jack1930 0:0eebf803661c 3 lcd::lcd(void)
jack1930 0:0eebf803661c 4 {
jack1930 0:0eebf803661c 5 i2c=new SoftwareI2C(PA_12,PA_11);
jack1930 0:0eebf803661c 6 //po=new PortOut(PortC,0xFF);
jack1930 0:0eebf803661c 7 //t=new DigitalIn(PA_1,PullDown);
jack1930 0:0eebf803661c 8 init();
jack1930 0:0eebf803661c 9
jack1930 0:0eebf803661c 10 };
jack1930 0:0eebf803661c 11
jack1930 0:0eebf803661c 12 void lcd::clear(void)
jack1930 0:0eebf803661c 13 {
jack1930 7:c3d157395c16 14
jack1930 0:0eebf803661c 15 sendeByte(0x01,0,0);
jack1930 0:0eebf803661c 16 cursorpos(0);
jack1930 0:0eebf803661c 17 //sleep_for(20);
jack1930 7:c3d157395c16 18
jack1930 0:0eebf803661c 19 };
jack1930 0:0eebf803661c 20
jack1930 13:1d86cdba3ff5 21 void lcd::locate(int column, int row)
jack1930 13:1d86cdba3ff5 22 {
jack1930 13:1d86cdba3ff5 23 cursorpos(column+row*0x40);
jack1930 13:1d86cdba3ff5 24 }
jack1930 13:1d86cdba3ff5 25
jack1930 13:1d86cdba3ff5 26 void lcd::putc(int c)
jack1930 13:1d86cdba3ff5 27 {
jack1930 13:1d86cdba3ff5 28 sendeByte(c,0,1);
jack1930 13:1d86cdba3ff5 29 }
jack1930 13:1d86cdba3ff5 30
jack1930 13:1d86cdba3ff5 31 void lcd::cls()
jack1930 13:1d86cdba3ff5 32 {
jack1930 13:1d86cdba3ff5 33 clear();
jack1930 13:1d86cdba3ff5 34 }
jack1930 13:1d86cdba3ff5 35
jack1930 13:1d86cdba3ff5 36
jack1930 0:0eebf803661c 37 void lcd::warte(void)
jack1930 0:0eebf803661c 38 {/*
jack1930 0:0eebf803661c 39 *po=wert;
jack1930 0:0eebf803661c 40 while(*t==0);
jack1930 0:0eebf803661c 41 wait_ms(20);
jack1930 0:0eebf803661c 42 while(*t==1);
jack1930 0:0eebf803661c 43 wait_ms(20);*/
jack1930 0:0eebf803661c 44 };
jack1930 0:0eebf803661c 45 void lcd::sendeByte(char b,uint8_t rw, uint8_t rs )
jack1930 0:0eebf803661c 46 {
jack1930 0:0eebf803661c 47
jack1930 0:0eebf803661c 48 wert=(b&0xF0)+0x08+((rw&0x01)<<1)+(rs&0x01);
jack1930 0:0eebf803661c 49 i2c->write(Adresse,wert);
jack1930 0:0eebf803661c 50 warte();
jack1930 0:0eebf803661c 51 wert=(b&0xF0)+0xC+((rw&0x01)<<1)+(rs&0x01);
jack1930 0:0eebf803661c 52 i2c->write(Adresse,wert);
jack1930 0:0eebf803661c 53 warte();
jack1930 0:0eebf803661c 54 wert=(b&0xF0)+0x8+((rw&0x01)<<1)+(rs&0x01);
jack1930 0:0eebf803661c 55 i2c->write(Adresse,wert);
jack1930 0:0eebf803661c 56 warte();
jack1930 0:0eebf803661c 57 wert=((b&0xF)<<4)+0x8+((rw&0x01)<<1)+(rs&0x01);
jack1930 0:0eebf803661c 58 i2c->write(Adresse,wert);
jack1930 0:0eebf803661c 59 warte();
jack1930 0:0eebf803661c 60 wert=((b&0xF)<<4)+0xC+((rw&0x01)<<1)+(rs&0x01);
jack1930 0:0eebf803661c 61 i2c->write(Adresse,wert);
jack1930 0:0eebf803661c 62 warte();
jack1930 0:0eebf803661c 63 wert=((b&0xF)<<4)+0x8+((rw&0x01)<<1)+(rs&0x01);
jack1930 0:0eebf803661c 64 i2c->write(Adresse,wert);
jack1930 0:0eebf803661c 65 warte();
jack1930 0:0eebf803661c 66 }
jack1930 0:0eebf803661c 67
jack1930 0:0eebf803661c 68 void lcd::sendeNippel(char b,uint8_t rw, uint8_t rs )
jack1930 0:0eebf803661c 69 {
jack1930 0:0eebf803661c 70 wert=((b&0xF)<<4)+0x0+((rw&0x01)<<1)+(rs&0x01);
jack1930 0:0eebf803661c 71 i2c->write(Adresse,wert);
jack1930 0:0eebf803661c 72 warte();
jack1930 0:0eebf803661c 73 wert=((b&0xF)<<4)+0x4+((rw&0x01)<<1)+(rs&0x01);
jack1930 0:0eebf803661c 74 i2c->write(Adresse,wert);
jack1930 0:0eebf803661c 75 warte();
jack1930 0:0eebf803661c 76 wert=((b&0xF)<<4)+0x0+((rw&0x01)<<1)+(rs&0x01);
jack1930 0:0eebf803661c 77 i2c->write(Adresse,wert);
jack1930 0:0eebf803661c 78 warte();
jack1930 0:0eebf803661c 79 }
jack1930 0:0eebf803661c 80 void lcd::cursorpos(uint8_t pos)
jack1930 0:0eebf803661c 81 {
jack1930 0:0eebf803661c 82 sendeByte(0x80+pos,0,0);
jack1930 0:0eebf803661c 83 }
jack1930 0:0eebf803661c 84 void lcd::init(void)
jack1930 0:0eebf803661c 85 {
jack1930 0:0eebf803661c 86 //Adresse=pAdresse<<1;
jack1930 0:0eebf803661c 87 uint8_t data[1];
jack1930 1:d6c8b9840a53 88 for (Adresse=0;Adresse<255&&data[0]!=0x55;Adresse++)
jack1930 0:0eebf803661c 89 {
jack1930 0:0eebf803661c 90 i2c->write(Adresse,0x55);
jack1930 0:0eebf803661c 91 i2c->read(Adresse,data,1);
jack1930 0:0eebf803661c 92 }
jack1930 0:0eebf803661c 93
jack1930 1:d6c8b9840a53 94 wait_us(20000);
jack1930 0:0eebf803661c 95 sendeNippel(0b0011,0,0);
jack1930 1:d6c8b9840a53 96 wait_us(5000);
jack1930 0:0eebf803661c 97 sendeNippel(0b0011,0,0);
jack1930 1:d6c8b9840a53 98 wait_us(1000);
jack1930 0:0eebf803661c 99 sendeNippel(0b0011,0,0);
jack1930 0:0eebf803661c 100
jack1930 0:0eebf803661c 101 sendeNippel(0b0010,0,0);
jack1930 0:0eebf803661c 102
jack1930 0:0eebf803661c 103 sendeByte(0b00101000,0,0); //4Bit 2 Zeilen
jack1930 0:0eebf803661c 104
jack1930 0:0eebf803661c 105
jack1930 0:0eebf803661c 106 sendeByte(0b00000001,0,0); //display clear
jack1930 0:0eebf803661c 107
jack1930 0:0eebf803661c 108 sendeByte(0b00000110,0,0); //Increment Cursor*/
jack1930 0:0eebf803661c 109
jack1930 0:0eebf803661c 110 sendeByte(0b10000000,0,0); //Home
jack1930 0:0eebf803661c 111
jack1930 0:0eebf803661c 112 sendeByte(0b00001110,0,0); //Display On
jack1930 0:0eebf803661c 113
jack1930 0:0eebf803661c 114
jack1930 0:0eebf803661c 115 cursorpos(0x0);
jack1930 0:0eebf803661c 116
jack1930 0:0eebf803661c 117 printf("GSOE V%0.1f",1.1);
jack1930 0:0eebf803661c 118
jack1930 0:0eebf803661c 119
jack1930 0:0eebf803661c 120
jack1930 0:0eebf803661c 121 }
jack1930 0:0eebf803661c 122 int lcd::printf(const char *format, ...)
jack1930 0:0eebf803661c 123 {
jack1930 2:96140687b227 124 char buf[20];
jack1930 0:0eebf803661c 125 va_list args;
jack1930 0:0eebf803661c 126 va_start(args, format);
jack1930 0:0eebf803661c 127 vsprintf(buf,format,args);
jack1930 0:0eebf803661c 128 va_end(args);
jack1930 0:0eebf803661c 129 //LCD_i2c_textaus(buf);
jack1930 0:0eebf803661c 130 for (int i=0;i<16 && buf[i]!=0;i++)
jack1930 0:0eebf803661c 131 sendeByte(buf[i],0,1);
jack1930 0:0eebf803661c 132 return 0;
jack1930 0:0eebf803661c 133 }