Diff: CriusOLED.h

Revision:

1:55636c88cd5e

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/CriusOLED.h	Fri May 12 14:03:27 2017 +0000
@@ -0,0 +1,273 @@
+/* ============================================
+Modified Code from Crius
+The CriusOLED Hardware MUST be modified for correct function of ACK
+Copyright (c) 2014 Michael Ruck michael@ruck.com
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+THE SOFTWARE.
+===============================================
+*/
+#include "./data.h"
+#include "hwcfg.h"
+#define OLED_ADDR    (0x78)
+
+I2C i2c(SENSOR_I2C_SDA, SENSOR_I2C_SCL);
+
+void displayOn(void);
+void displayOff(void);
+void SendByte(unsigned char data);
+void sendcommand(unsigned char com);
+void SendByte(unsigned char com);
+void printBigNumber(unsigned char s, int X, int Y);
+void SendByteXY(unsigned char data, int X, int Y);
+
+
+//==========================================================//
+// Turns display on.
+void displayOn(void)
+{
+    sendcommand(0xaf);        //display on
+}
+
+//==========================================================//
+// Turns display off.
+void displayOff(void)
+{
+    sendcommand(0xae);        //display off
+}
+//==========================================================//
+// Actually this sends a byte, not a char to draw in the display.
+// Display's chars uses 8 byte font the small ones and 96 bytes
+// for the big number font.
+void SendByte(unsigned char data)
+{
+    //Create a temporary buffer
+    char buff[2];
+
+    //Load the control byte and 8-bit data
+    buff[0] = (0x40);
+    buff[1] = data;
+
+    //Write the data
+    i2c.write(OLED_ADDR, buff, 2);
+
+}
+
+//==========================================================//
+// Used to send commands to the display.
+void sendcommand(unsigned char com)
+{
+    //Create a temporary buffer
+    char buff[2];
+
+    //Load the control byte and 8-bit command
+    buff[0] = 0x00;
+    buff[1] = com;
+
+    //Write the command
+    i2c.write(OLED_ADDR, buff, 2);
+}
+//==========================================================//
+// Set the cursor position in a 16 COL * 8 ROW map.
+void setXY(unsigned char row,unsigned char col)
+{
+    sendcommand(0xb0+row);                //set page address
+    sendcommand(0x00+(8*col&0x0f));       //set low col address
+    sendcommand(0x10+((8*col>>4)&0x0f));  //set high col address
+}
+//==========================================================//
+// Clears the display by sendind 0 to all the screen map.
+void clear_display(void)
+{
+    unsigned char i,k;
+    for(k=0; k<8; k++) {
+        setXY(k,0);
+        {
+            for(i=0; i<128; i++) { //clear all COL
+                SendByte(0);         //clear all COL
+                //delay(10);
+            }
+        }
+    }
+}
+//==========================================================//
+// Resets display depending on the actual mode.
+void reset_display(void)
+{
+    displayOff();
+    clear_display();
+
+
+    displayOn();
+}
+//==========================================================//
+
+void sendImage()
+{
+    reset_display();
+    for(int i=0; i<128*8; i++)   // show 128* 64 Logo
+        SendByte(logo[i]);
+
+}
+//==========================================================//
+void printBigTime(char *s)
+{
+
+    int Y=0;
+    int lon = strlen(s);
+    if(lon == 3) {
+        Y = 0;
+    } else if (lon == 2) {
+        Y = 3;
+    } else if (lon == 1) {
+        Y = 6;
+    }
+
+    int X = 2;
+    while(*s) {
+        printBigNumber(*s, X, Y);
+
+        Y+=3;
+        X=2;
+        setXY(X,Y);
+        *s++;
+    }
+}
+
+
+//==========================================================//
+// Prints a display big number (96 bytes) in coordinates X Y,
+// being multiples of 8. This means we have 16 COLS (0-15)
+// and 8 ROWS (0-7).
+void printBigNumber(unsigned char s, int X, int Y)
+{
+    setXY(X,Y);
+    int salto=0;
+    for(int i=0; i<96; i++) {
+        if(s == ' ') {
+            SendByte(0);
+        } else
+            SendByte(bigNumbers[s-0x30][i]);
+
+        if(salto == 23) {
+            salto = 0;
+            X++;
+            setXY(X,Y);
+        } else {
+            salto++;
+        }
+    }
+}
+//==========================================================//
+// Prints a display char (not just a byte) in coordinates X Y,
+// being multiples of 8. This means we have 16 COLS (0-15)
+// and 8 ROWS (0-7).
+void SendByteXY(unsigned char data, int X, int Y)
+{
+    i2c.start();
+    i2c.write(OLED_ADDR);
+    i2c.write(0x40);
+
+    for(int i=0; i<8; i++)
+        i2c.write((int)(myFont[data-0x20]+i)); // <<-------------------------------------
+
+    i2c.stop();     // stop transmitting
+}
+//==========================================================//
+// Prints a string regardless the cursor position.
+void sendStr(unsigned char *s)
+{
+    unsigned char i=0;
+    while(*s) {
+        for(i=0; i<8; i++) {
+            SendByte(myFont[*s-0x20][i]);
+        }
+        *s++;
+    }
+}
+//==========================================================//
+// Prints a string in coordinates X Y, being multiples of 8.
+// This means we have 16 COLS (0-15) and 8 ROWS (0-7).
+void sendStrXY( char *s, int X, int Y)
+{
+    setXY(X,Y);
+    unsigned char i=0;
+    while(*s) {
+        for(i=0; i<8; i++) {
+            SendByte(myFont[*s-0x20][i]);
+        }
+        *s++;
+    }
+}
+
+
+//==========================================================//
+// Inits oled and draws logo at startup
+void init_OLED(void)
+{
+    sendcommand(0xae);        //display off
+    sendcommand(0xa6);            //Set Normal Display (default)
+    // Adafruit Init sequence for 128x64 OLED module
+    sendcommand(0xAE);             //DISPLAYOFF
+    sendcommand(0xD5);            //SETDISPLAYCLOCKDIV
+    sendcommand(0x80);            // the suggested ratio 0x80
+    sendcommand(0xA8);            //SSD1306_SETMULTIPLEX
+    sendcommand(0x3F);
+    sendcommand(0xD3);            //SETDISPLAYOFFSET
+    sendcommand(0x0);             //no offset
+    sendcommand(0x40 | 0x0);      //SETSTARTLINE
+    sendcommand(0x8D);            //CHARGEPUMP
+    sendcommand(0x14);
+    sendcommand(0x20);             //MEMORYMODE
+    sendcommand(0x00);             //0x0 act like ks0108
+
+    sendcommand(0xA0 | 0x1);      //SEGREMAP   //Rotate screen 180 deg
+    //sendcommand(0xA0);
+
+    sendcommand(0xC8);            //COMSCANDEC  Rotate screen 180 Deg
+    //sendcommand(0xC0);
+
+    sendcommand(0xDA);            //0xDA
+    sendcommand(0x12);           //COMSCANDEC
+    sendcommand(0x81);           //SETCONTRAS
+    sendcommand(0xCF);           //
+    sendcommand(0xd9);          //SETPRECHARGE
+    sendcommand(0xF1);
+    sendcommand(0xDB);        //SETVCOMDETECT
+    sendcommand(0x40);
+    sendcommand(0xA4);        //DISPLAYALLON_RESUME
+    sendcommand(0xA6);        //NORMALDISPLAY
+
+    clear_display();
+    sendcommand(0x2e);            // stop scroll
+    //----------------------------REVERSE comments----------------------------//
+    //  sendcommand(0xa0);        //seg re-map 0->127(default)
+    //  sendcommand(0xa1);        //seg re-map 127->0
+    //  sendcommand(0xc8);
+    //  delay(1000);
+    //----------------------------REVERSE comments----------------------------//
+    // sendcommand(0xa7);  //Set Inverse Display
+    // sendcommand(0xae);     //display off
+    sendcommand(0x20);            //Set Memory Addressing Mode
+    sendcommand(0x00);            //Set Memory Addressing Mode ab Horizontal addressing mode
+    //  sendcommand(0x02);         // Set Memory Addressing Mode ab Page addressing mode(RESET)
+
+    setXY(0,0);
+
+    sendcommand(0xaf);        //display on
+}