FFT LED Display / 4180_EditThis_copy

this hurts

Dependencies:   FFT

Adafruit_LEDBackpack/Adafruit_GFX.h@7:0d62545e6d73, 2020-12-03 (annotated)

Committer:
shyamgatech
Date:
Thu Dec 03 18:15:35 2020 +0000
Revision:
7:0d62545e6d73
Parent:
0:d6c9b09b4042 
addded gui mbed code;

Who changed what in which revision?

UserRevisionLine numberNew contents of line
annieluo2 0:d6c9b09b4042 1 /***********************************
annieluo2 0:d6c9b09b4042 2 This is a our graphics core library, for all our displays.
annieluo2 0:d6c9b09b4042 3 We'll be adapting all the
annieluo2 0:d6c9b09b4042 4 existing libaries to use this core to make updating, support
annieluo2 0:d6c9b09b4042 5 and upgrading easier!
annieluo2 0:d6c9b09b4042 6
annieluo2 0:d6c9b09b4042 7 Adafruit invests time and resources providing this open source code,
annieluo2 0:d6c9b09b4042 8 please support Adafruit and open-source hardware by purchasing
annieluo2 0:d6c9b09b4042 9 products from Adafruit!
annieluo2 0:d6c9b09b4042 10
annieluo2 0:d6c9b09b4042 11 Written by Limor Fried/Ladyada for Adafruit Industries.
annieluo2 0:d6c9b09b4042 12 BSD license, check license.txt for more information
annieluo2 0:d6c9b09b4042 13 All text above must be included in any redistribution
annieluo2 0:d6c9b09b4042 14 ****************************************/
annieluo2 0:d6c9b09b4042 15
annieluo2 0:d6c9b09b4042 16 /*
annieluo2 0:d6c9b09b4042 17 * Modified by Neal Horman 7/14/2012 for use in LPC1768
annieluo2 0:d6c9b09b4042 18 */
annieluo2 0:d6c9b09b4042 19
annieluo2 0:d6c9b09b4042 20 #ifndef _ADAFRUIT_GFX_H_
annieluo2 0:d6c9b09b4042 21 #define _ADAFRUIT_GFX_H_
annieluo2 0:d6c9b09b4042 22
annieluo2 0:d6c9b09b4042 23 static inline void swap(int16_t &a, int16_t &b)
annieluo2 0:d6c9b09b4042 24 {
annieluo2 0:d6c9b09b4042 25 int16_t t = a;
annieluo2 0:d6c9b09b4042 26
annieluo2 0:d6c9b09b4042 27 a = b;
annieluo2 0:d6c9b09b4042 28 b = t;
annieluo2 0:d6c9b09b4042 29 }
annieluo2 0:d6c9b09b4042 30
annieluo2 0:d6c9b09b4042 31 #ifndef _BV
annieluo2 0:d6c9b09b4042 32 #define _BV(bit) (1<<(bit))
annieluo2 0:d6c9b09b4042 33 #endif
annieluo2 0:d6c9b09b4042 34
annieluo2 0:d6c9b09b4042 35 #define BLACK 0
annieluo2 0:d6c9b09b4042 36 #define WHITE 1
annieluo2 0:d6c9b09b4042 37
annieluo2 0:d6c9b09b4042 38 class Adafruit_GFX : public Stream
annieluo2 0:d6c9b09b4042 39 {
annieluo2 0:d6c9b09b4042 40 public:
annieluo2 0:d6c9b09b4042 41 Adafruit_GFX(int16_t w, int16_t h)
annieluo2 0:d6c9b09b4042 42 : _rawWidth(w)
annieluo2 0:d6c9b09b4042 43 , _rawHeight(h)
annieluo2 0:d6c9b09b4042 44 , _width(w)
annieluo2 0:d6c9b09b4042 45 , _height(h)
annieluo2 0:d6c9b09b4042 46 , cursor_x(0)
annieluo2 0:d6c9b09b4042 47 , cursor_y(0)
annieluo2 0:d6c9b09b4042 48 , textcolor(WHITE)
annieluo2 0:d6c9b09b4042 49 , textbgcolor(BLACK)
annieluo2 0:d6c9b09b4042 50 , textsize(1)
annieluo2 0:d6c9b09b4042 51 , rotation(0)
annieluo2 0:d6c9b09b4042 52 , wrap(true)
annieluo2 0:d6c9b09b4042 53 {};
annieluo2 0:d6c9b09b4042 54
annieluo2 0:d6c9b09b4042 55 // this must be defined by the subclass
annieluo2 0:d6c9b09b4042 56 virtual void drawPixel(int16_t x, int16_t y, uint16_t color) = 0;
annieluo2 0:d6c9b09b4042 57 // this is optional
annieluo2 0:d6c9b09b4042 58 virtual void invertDisplay(bool i) {};
annieluo2 0:d6c9b09b4042 59
annieluo2 0:d6c9b09b4042 60 // Stream implementation - provides printf() interface
annieluo2 0:d6c9b09b4042 61 // You would otherwise be forced to use writeChar()
annieluo2 0:d6c9b09b4042 62 virtual int _putc(int value) { return writeChar(value); };
annieluo2 0:d6c9b09b4042 63 virtual int _getc() { return -1; };
annieluo2 0:d6c9b09b4042 64
annieluo2 0:d6c9b09b4042 65 #ifdef WANT_ABSTRACTS
annieluo2 0:d6c9b09b4042 66 // these are 'generic' drawing functions, so we can share them!
annieluo2 0:d6c9b09b4042 67 virtual void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color);
annieluo2 0:d6c9b09b4042 68 virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color);
annieluo2 0:d6c9b09b4042 69 virtual void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color);
annieluo2 0:d6c9b09b4042 70 virtual void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
annieluo2 0:d6c9b09b4042 71 virtual void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color);
annieluo2 0:d6c9b09b4042 72 virtual void fillScreen(uint16_t color);
annieluo2 0:d6c9b09b4042 73
annieluo2 0:d6c9b09b4042 74 void drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
annieluo2 0:d6c9b09b4042 75 void drawCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, uint16_t color);
annieluo2 0:d6c9b09b4042 76 void fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color);
annieluo2 0:d6c9b09b4042 77 void fillCircleHelper(int16_t x0, int16_t y0, int16_t r, uint8_t cornername, int16_t delta, uint16_t color);
annieluo2 0:d6c9b09b4042 78
annieluo2 0:d6c9b09b4042 79 void drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color);
annieluo2 0:d6c9b09b4042 80 void fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color);
annieluo2 0:d6c9b09b4042 81 void drawRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
annieluo2 0:d6c9b09b4042 82 void fillRoundRect(int16_t x0, int16_t y0, int16_t w, int16_t h, int16_t radius, uint16_t color);
annieluo2 0:d6c9b09b4042 83 #endif
annieluo2 0:d6c9b09b4042 84
annieluo2 0:d6c9b09b4042 85 void drawBitmap(int16_t x, int16_t y, const uint8_t *bitmap, int16_t w, int16_t h, uint16_t color);
annieluo2 0:d6c9b09b4042 86 void drawChar(int16_t x, int16_t y, unsigned char c, uint16_t color, uint16_t bg, uint8_t size);
annieluo2 0:d6c9b09b4042 87 size_t writeChar(uint8_t);
annieluo2 0:d6c9b09b4042 88
annieluo2 0:d6c9b09b4042 89 int16_t width(void) { return _width; };
annieluo2 0:d6c9b09b4042 90 int16_t height(void) { return _height; };
annieluo2 0:d6c9b09b4042 91
annieluo2 0:d6c9b09b4042 92 void setCursor(int16_t x, int16_t y) { cursor_x = x; cursor_y = y; };
annieluo2 0:d6c9b09b4042 93 void setTextSize(uint8_t s) { textsize = (s > 0) ? s : 1; };
annieluo2 0:d6c9b09b4042 94 void setTextColor(uint16_t c) { textcolor = c; textbgcolor = c; }
annieluo2 0:d6c9b09b4042 95 void setTextColor(uint16_t c, uint16_t b) { textcolor = c; textbgcolor = b; };
annieluo2 0:d6c9b09b4042 96 void setTextWrap(bool w) { wrap = w; };
annieluo2 0:d6c9b09b4042 97
annieluo2 0:d6c9b09b4042 98 void setRotation(uint8_t r);
annieluo2 0:d6c9b09b4042 99 uint8_t getRotation(void) { rotation %= 4; return rotation; };
annieluo2 0:d6c9b09b4042 100
annieluo2 0:d6c9b09b4042 101 protected:
annieluo2 0:d6c9b09b4042 102 int16_t _rawWidth, _rawHeight; // this is the 'raw' display w/h - never changes
annieluo2 0:d6c9b09b4042 103 int16_t _width, _height; // dependent on rotation
annieluo2 0:d6c9b09b4042 104 int16_t cursor_x, cursor_y;
annieluo2 0:d6c9b09b4042 105 uint16_t textcolor, textbgcolor;
annieluo2 0:d6c9b09b4042 106 uint8_t textsize;
annieluo2 0:d6c9b09b4042 107 uint8_t rotation;
annieluo2 0:d6c9b09b4042 108 bool wrap; // If set, 'wrap' text at right edge of display
annieluo2 0:d6c9b09b4042 109 };
annieluo2 0:d6c9b09b4042 110
annieluo2 0:d6c9b09b4042 111 #endif