Diff: hexidraw.cpp

Revision:

0:2d3fcb6dabd4

Child:

1:82ccc138bbe6

--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/hexidraw.cpp	Fri Aug 19 01:17:28 2016 +0000
@@ -0,0 +1,230 @@
+#include "oled_info.h"
+#include "hexidraw.h"
+
+#include "mbed.h"
+
+/*
+    Command descriptions from:
+        https://cdn-shop.adafruit.com/datasheets/SSD1351-Revision+1.3.pdf
+*/
+
+OLED::OLED () :
+    _spi(oled_sdi_pin, NC, oled_sck_pin),
+    _cs(oled_cs_pin),
+    _reset(oled_rst_pin),
+    _dc(oled_dc_pin)
+{}
+
+void OLED::begin()
+{
+    
+    #if 0
+    // set pin directions
+    pinMode(_rs, OUTPUT);
+    
+    if (_sclk) {
+        pinMode(_sclk, OUTPUT);
+        
+        pinMode(_sid, OUTPUT);
+    } else {
+        // using the hardware SPI
+        SPI.begin();
+        SPI.setDataMode(SPI_MODE3);
+    }
+    
+    // Toggle RST low to reset; CS low so it'll listen to us
+    pinMode(_cs, OUTPUT);
+    digitalWrite(_cs, LOW);
+    
+    if (_rst) {
+        pinMode(_rst, OUTPUT);
+        digitalWrite(_rst, HIGH);
+        delay(500);
+        digitalWrite(_rst, LOW);
+        delay(500);
+        digitalWrite(_rst, HIGH);
+        delay(500);
+    }
+#endif
+    DigitalOut BOOSTEN(oled_power_enable);   //Enable OLED
+
+    //Set SPI modes
+//    _spi.format(8,3);
+    _spi.frequency(8000000);
+
+     _dc =0;
+    BOOSTEN = 0;
+    wait(0.1f);
+    _reset = 0 ; 
+    wait(0.1f);
+    _reset = 1 ;
+    wait(0.1f);
+    BOOSTEN = 1;
+
+    writeCommand(OLED_CMD_SET_CMD_LOCK);
+    writeData(0x12);
+    
+    writeCommand(OLED_CMD_SET_CMD_LOCK);
+    writeData(0xB1);
+
+    writeCommand(OLED_CMD_DISPLAYOFF);
+    
+    
+    writeCommand(OLED_CMD_SET_OSC_FREQ_AND_CLOCKDIV);
+    writeData(0xF1);
+
+    writeCommand(OLED_CMD_SET_MUX_RATIO);
+    writeData(0x5F);
+    
+    writeCommand(OLED_CMD_SET_REMAP);
+    writeData(OLED_REMAP_SETTINGS);
+    
+    writeCommand(OLED_CMD_SET_COLUMN);
+    writeData(0x00);
+    writeData(0x5F);
+    
+    writeCommand(OLED_CMD_SET_ROW);
+    writeData(0x00);
+    writeData(0x5F);
+    
+    writeCommand(OLED_CMD_STARTLINE);
+    writeData(0x80);
+    
+    writeCommand(OLED_CMD_DISPLAYOFFSET);
+    writeData(0x60);
+    
+    writeCommand(OLED_CMD_PRECHARGE);
+    writeData(0x32);
+    
+    writeCommand(OLED_CMD_VCOMH);
+    writeData(0x05);
+    
+    writeCommand(OLED_CMD_NORMALDISPLAY);
+    
+    writeCommand(OLED_CMD_CONTRASTABC);
+    writeData(0x8A);
+    writeData(0x51);
+    writeData(0x8A);
+    
+    writeCommand(OLED_CMD_CONTRASTMASTER);
+    writeData(0xCF);
+    
+    writeCommand(OLED_CMD_SETVSL);
+    writeData(0xA0);
+    writeData(0xB5);
+    writeData(0x55);
+    
+    writeCommand(OLED_CMD_PRECHARGE2);
+    writeData(0x01);
+    
+    writeCommand(OLED_CMD_DISPLAYON);
+}
+
+void OLED::writeCommand(uint8_t code)
+{
+    _dc = 0;
+ 
+    _cs = 0;
+    _spi.write(code);
+    _cs = 1;
+}
+
+void OLED::writeData(uint8_t value)
+{
+    _dc = 1;
+    
+    _cs = 0;
+    _spi.write(value);
+    _cs = 1;
+}
+//Turns on OLED sleep mode
+void OLED::sleep()
+{
+    writeCommand(0xAE);
+}
+//Turns off OLED sleep mode
+void OLED::wake()
+{
+    writeCommand(0xAF);
+}
+
+void OLED::pixel(int16_t x, int16_t y, uint16_t color)
+{
+    // Bounds check.
+    if ((x >= OLED_WIDTH) || (y >= OLED_HEIGHT)) return;
+    if ((x < 0) || (y < 0)) return;
+
+    cursor(x, y);
+
+    writeCommand(OLED_CMD_WRITERAM);
+    _dc = 1;
+    _cs = 0;
+    
+    writeData(color >> 8);
+    writeData(color);
+    
+    _cs = 1;
+}
+
+void OLED::cursor(int x, int y)   //goTo
+{
+    if ((x >= OLED_WIDTH) || (y >= OLED_HEIGHT)) return;
+
+    // set x and y coordinate
+    writeCommand(OLED_CMD_SET_COLUMN);
+    writeData(x);
+    writeData(OLED_WIDTH-1);
+
+    writeCommand(OLED_CMD_SET_ROW);
+    writeData(y);
+    writeData(OLED_HEIGHT-1);
+
+    writeCommand(OLED_CMD_WRITERAM);
+}
+
+void OLED::rect(uint16_t x, uint16_t y, uint16_t w, uint16_t h, uint16_t fillcolor)
+{
+    // Bounds check
+    if ((x >= OLED_WIDTH) || (y >= OLED_HEIGHT))
+        return;
+
+    // Y bounds check
+    if (y+h > OLED_HEIGHT) {
+        h = OLED_HEIGHT - y - 1;
+    }
+
+    // X bounds check
+    if (x+w > OLED_WIDTH) {
+        w = OLED_WIDTH - x - 1;
+    }
+
+    // set location
+    writeCommand(OLED_CMD_SET_COLUMN);
+    writeData(x);
+    writeData(x+(w-1));
+    //writeData(x-1);
+    writeCommand(OLED_CMD_SET_ROW);
+    writeData(y);
+    writeData(y+(h-1));
+    //writeData(y-1);
+    // fill!
+    writeCommand(OLED_CMD_WRITERAM);
+    
+    for (uint16_t i=0; i < w*h; i++) {
+        //writeData(fillcolor >> 8);
+        writeData(fillcolor >> 8);
+        writeData(fillcolor);
+    }
+}
+
+uint16_t Color565(uint8_t r, uint8_t g, uint8_t b)
+{
+    uint16_t c;
+    c = r >> 3;
+    c <<= 6;
+    c |= g >> 2;
+    c <<= 5;
+    c |= b >> 3;
+
+    return c;
+}
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