![](/media/cache/img/default_profile.jpg.50x50_q85.jpg)
Fork of https://os.mbed.com/users/sebastiken/code/Adafruit_RA8875/ ; Adapted for use with K64F and in the process of adding more functions.
Diff: RA8875.h
- Revision:
- 0:66c1aa3d198e
- Child:
- 1:ac22f0f36d6b
diff -r 000000000000 -r 66c1aa3d198e RA8875.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/RA8875.h Fri Sep 08 14:05:04 2017 +0000 @@ -0,0 +1,325 @@ +#ifndef RA8875_H +#define RA8875_H +#include "mbed.h" + +// Sizes! +enum RA8875sizes { RA8875_480x272, RA8875_800x480 }; + +// Touch screen cal structs +typedef struct Point +{ + int32_t x; + int32_t y; +} tsPoint_t; + +typedef struct //Matrix +{ + int32_t An, + Bn, + Cn, + Dn, + En, + Fn, + Divider ; +} tsMatrix_t; + +class Adafruit_RA8875 { // : public Adafruit_GFX { + public: + Adafruit_RA8875(PinName MOSI, PinName MISO, PinName SCLK, + PinName CS, PinName RST); + + bool begin(enum RA8875sizes s); + void softReset(void); + void displayOn(bool on); + void sleep(bool sleep); + + /* Text functions */ + void textMode(void); + void textSetCursor(uint16_t x, uint16_t y); + void textColor(uint16_t foreColor, uint16_t bgColor); + void textTransparent(uint16_t foreColor); + void textEnlarge(uint8_t scale); + void textWrite(const char* buffer, uint16_t len=0); + + /* Graphics functions */ + void graphicsMode(void); + void setXY(uint16_t x, uint16_t y); + void pushPixels(uint32_t num, uint16_t p); + void fillRect(void); + + /* Adafruit_GFX functions */ + void drawPixel(int16_t x, int16_t y, uint16_t color); + void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color); + void drawFastHLine(int16_t x, int16_t y, int16_t w, uint16_t color); + + /* HW accelerated wrapper functions (override Adafruit_GFX prototypes) */ + void fillScreen(uint16_t color); + void drawLine(int16_t x0, int16_t y0, int16_t x1, int16_t y1, uint16_t color); +// void drawRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color); +// void fillRect(int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color); +// void drawCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color); +// void fillCircle(int16_t x0, int16_t y0, int16_t r, uint16_t color); +// void drawTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color); +// void fillTriangle(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color); +// void drawEllipse(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color); +// void fillEllipse(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color); +// void drawCurve(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color); +// void fillCurve(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color); + + /* Backlight */ + void GPIOX(bool on); + void PWM1config(bool on, uint8_t clock); + void PWM2config(bool on, uint8_t clock); + void PWM1out(uint8_t p); + void PWM2out(uint8_t p); + + /* Touch screen */ + void touchEnable(bool on); + bool touched(void); + bool touchRead(uint16_t *x, uint16_t *y); + + /* Low level access */ + void writeReg(uint8_t reg, uint8_t val); + uint8_t readReg(uint8_t reg); + void writeData(uint8_t d); + uint8_t readData(void); + void writeCommand(uint8_t d); + uint8_t readStatus(void); + bool waitPoll(uint8_t r, uint8_t f); + uint16_t width(void); + uint16_t height(void); + + /* Play nice with Arduino's Print class */ + virtual size_t write(uint8_t b) { + textWrite((const char *)&b, 1); + return 1; + } + virtual size_t write(const uint8_t *buffer, size_t size) { + textWrite((const char *)buffer, size); + return size; + } + + private: + void PLLinit(void); + void initialize(void); + +// /* GFX Helper Functions */ + void circleHelper(int16_t x0, int16_t y0, int16_t r, uint16_t color, bool filled); + void rectHelper (int16_t x, int16_t y, int16_t w, int16_t h, uint16_t color, bool filled); + void triangleHelper(int16_t x0, int16_t y0, int16_t x1, int16_t y1, int16_t x2, int16_t y2, uint16_t color, bool filled); + void ellipseHelper(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint16_t color, bool filled); + void curveHelper(int16_t xCenter, int16_t yCenter, int16_t longAxis, int16_t shortAxis, uint8_t curvePart, uint16_t color, bool filled); + + DigitalOut _cs, _rst; + uint16_t _width, _height; + uint8_t _textScale; + enum RA8875sizes _size; + + SPI spi; ///< spi port +}; + +// Colors (RGB565) +#define RA8875_BLACK 0x0000 +#define RA8875_BLUE 0x001F +#define RA8875_RED 0xF800 +#define RA8875_GREEN 0x07E0 +#define RA8875_CYAN 0x07FF +#define RA8875_MAGENTA 0xF81F +#define RA8875_YELLOW 0xFFE0 +#define RA8875_WHITE 0xFFFF + +// Command/Data pins for SPI +#define RA8875_DATAWRITE 0x00 +#define RA8875_DATAREAD 0x40 +#define RA8875_CMDWRITE 0x80 +#define RA8875_CMDREAD 0xC0 + +// Registers & bits +#define RA8875_PWRR 0x01 +#define RA8875_PWRR_DISPON 0x80 +#define RA8875_PWRR_DISPOFF 0x00 +#define RA8875_PWRR_SLEEP 0x02 +#define RA8875_PWRR_NORMAL 0x00 +#define RA8875_PWRR_SOFTRESET 0x01 + +#define RA8875_MRWC 0x02 + +#define RA8875_GPIOX 0xC7 + +#define RA8875_PLLC1 0x88 +#define RA8875_PLLC1_PLLDIV2 0x80 +#define RA8875_PLLC1_PLLDIV1 0x00 + +#define RA8875_PLLC2 0x89 +#define RA8875_PLLC2_DIV1 0x00 +#define RA8875_PLLC2_DIV2 0x01 +#define RA8875_PLLC2_DIV4 0x02 +#define RA8875_PLLC2_DIV8 0x03 +#define RA8875_PLLC2_DIV16 0x04 +#define RA8875_PLLC2_DIV32 0x05 +#define RA8875_PLLC2_DIV64 0x06 +#define RA8875_PLLC2_DIV128 0x07 + +#define RA8875_SYSR 0x10 +#define RA8875_SYSR_8BPP 0x00 +#define RA8875_SYSR_16BPP 0x0C +#define RA8875_SYSR_MCU8 0x00 +#define RA8875_SYSR_MCU16 0x03 + +#define RA8875_PCSR 0x04 +#define RA8875_PCSR_PDATR 0x00 +#define RA8875_PCSR_PDATL 0x80 +#define RA8875_PCSR_CLK 0x00 +#define RA8875_PCSR_2CLK 0x01 +#define RA8875_PCSR_4CLK 0x02 +#define RA8875_PCSR_8CLK 0x03 + +#define RA8875_HDWR 0x14 + +#define RA8875_HNDFTR 0x15 +#define RA8875_HNDFTR_DE_HIGH 0x00 +#define RA8875_HNDFTR_DE_LOW 0x80 + +#define RA8875_HNDR 0x16 +#define RA8875_HSTR 0x17 +#define RA8875_HPWR 0x18 +#define RA8875_HPWR_LOW 0x00 +#define RA8875_HPWR_HIGH 0x80 + +#define RA8875_VDHR0 0x19 +#define RA8875_VDHR1 0x1A +#define RA8875_VNDR0 0x1B +#define RA8875_VNDR1 0x1C +#define RA8875_VSTR0 0x1D +#define RA8875_VSTR1 0x1E +#define RA8875_VPWR 0x1F +#define RA8875_VPWR_LOW 0x00 +#define RA8875_VPWR_HIGH 0x80 + +#define RA8875_HSAW0 0x30 +#define RA8875_HSAW1 0x31 +#define RA8875_VSAW0 0x32 +#define RA8875_VSAW1 0x33 + +#define RA8875_HEAW0 0x34 +#define RA8875_HEAW1 0x35 +#define RA8875_VEAW0 0x36 +#define RA8875_VEAW1 0x37 + +#define RA8875_MCLR 0x8E +#define RA8875_MCLR_START 0x80 +#define RA8875_MCLR_STOP 0x00 +#define RA8875_MCLR_READSTATUS 0x80 +#define RA8875_MCLR_FULL 0x00 +#define RA8875_MCLR_ACTIVE 0x40 + +#define RA8875_DCR 0x90 +#define RA8875_DCR_LINESQUTRI_START 0x80 +#define RA8875_DCR_LINESQUTRI_STOP 0x00 +#define RA8875_DCR_LINESQUTRI_STATUS 0x80 +#define RA8875_DCR_CIRCLE_START 0x40 +#define RA8875_DCR_CIRCLE_STATUS 0x40 +#define RA8875_DCR_CIRCLE_STOP 0x00 +#define RA8875_DCR_FILL 0x20 +#define RA8875_DCR_NOFILL 0x00 +#define RA8875_DCR_DRAWLINE 0x00 +#define RA8875_DCR_DRAWTRIANGLE 0x01 +#define RA8875_DCR_DRAWSQUARE 0x10 + + +#define RA8875_ELLIPSE 0xA0 +#define RA8875_ELLIPSE_STATUS 0x80 + +#define RA8875_MWCR0 0x40 +#define RA8875_MWCR0_GFXMODE 0x00 +#define RA8875_MWCR0_TXTMODE 0x80 + +#define RA8875_CURH0 0x46 +#define RA8875_CURH1 0x47 +#define RA8875_CURV0 0x48 +#define RA8875_CURV1 0x49 + +#define RA8875_P1CR 0x8A +#define RA8875_P1CR_ENABLE 0x80 +#define RA8875_P1CR_DISABLE 0x00 +#define RA8875_P1CR_CLKOUT 0x10 +#define RA8875_P1CR_PWMOUT 0x00 + +#define RA8875_P1DCR 0x8B + +#define RA8875_P2CR 0x8C +#define RA8875_P2CR_ENABLE 0x80 +#define RA8875_P2CR_DISABLE 0x00 +#define RA8875_P2CR_CLKOUT 0x10 +#define RA8875_P2CR_PWMOUT 0x00 + +#define RA8875_P2DCR 0x8D + +#define RA8875_PWM_CLK_DIV1 0x00 +#define RA8875_PWM_CLK_DIV2 0x01 +#define RA8875_PWM_CLK_DIV4 0x02 +#define RA8875_PWM_CLK_DIV8 0x03 +#define RA8875_PWM_CLK_DIV16 0x04 +#define RA8875_PWM_CLK_DIV32 0x05 +#define RA8875_PWM_CLK_DIV64 0x06 +#define RA8875_PWM_CLK_DIV128 0x07 +#define RA8875_PWM_CLK_DIV256 0x08 +#define RA8875_PWM_CLK_DIV512 0x09 +#define RA8875_PWM_CLK_DIV1024 0x0A +#define RA8875_PWM_CLK_DIV2048 0x0B +#define RA8875_PWM_CLK_DIV4096 0x0C +#define RA8875_PWM_CLK_DIV8192 0x0D +#define RA8875_PWM_CLK_DIV16384 0x0E +#define RA8875_PWM_CLK_DIV32768 0x0F + +#define RA8875_TPCR0 0x70 +#define RA8875_TPCR0_ENABLE 0x80 +#define RA8875_TPCR0_DISABLE 0x00 +#define RA8875_TPCR0_WAIT_512CLK 0x00 +#define RA8875_TPCR0_WAIT_1024CLK 0x10 +#define RA8875_TPCR0_WAIT_2048CLK 0x20 +#define RA8875_TPCR0_WAIT_4096CLK 0x30 +#define RA8875_TPCR0_WAIT_8192CLK 0x40 +#define RA8875_TPCR0_WAIT_16384CLK 0x50 +#define RA8875_TPCR0_WAIT_32768CLK 0x60 +#define RA8875_TPCR0_WAIT_65536CLK 0x70 +#define RA8875_TPCR0_WAKEENABLE 0x08 +#define RA8875_TPCR0_WAKEDISABLE 0x00 +#define RA8875_TPCR0_ADCCLK_DIV1 0x00 +#define RA8875_TPCR0_ADCCLK_DIV2 0x01 +#define RA8875_TPCR0_ADCCLK_DIV4 0x02 +#define RA8875_TPCR0_ADCCLK_DIV8 0x03 +#define RA8875_TPCR0_ADCCLK_DIV16 0x04 +#define RA8875_TPCR0_ADCCLK_DIV32 0x05 +#define RA8875_TPCR0_ADCCLK_DIV64 0x06 +#define RA8875_TPCR0_ADCCLK_DIV128 0x07 + +#define RA8875_TPCR1 0x71 +#define RA8875_TPCR1_AUTO 0x00 +#define RA8875_TPCR1_MANUAL 0x40 +#define RA8875_TPCR1_VREFINT 0x00 +#define RA8875_TPCR1_VREFEXT 0x20 +#define RA8875_TPCR1_DEBOUNCE 0x04 +#define RA8875_TPCR1_NODEBOUNCE 0x00 +#define RA8875_TPCR1_IDLE 0x00 +#define RA8875_TPCR1_WAIT 0x01 +#define RA8875_TPCR1_LATCHX 0x02 +#define RA8875_TPCR1_LATCHY 0x03 + +#define RA8875_TPXH 0x72 +#define RA8875_TPYH 0x73 +#define RA8875_TPXYL 0x74 + +#define RA8875_INTC1 0xF0 +#define RA8875_INTC1_KEY 0x10 +#define RA8875_INTC1_DMA 0x08 +#define RA8875_INTC1_TP 0x04 +#define RA8875_INTC1_BTE 0x02 + +#define RA8875_INTC2 0xF1 +#define RA8875_INTC2_KEY 0x10 +#define RA8875_INTC2_DMA 0x08 +#define RA8875_INTC2_TP 0x04 +#define RA8875_INTC2_BTE 0x02 + +#endif