Snake game on nokia N5110 LCD
Dependencies: mbed
Snake game on nokia N5110 LCD and Keyes Syos Joystick. You control snake using joystick. Start/pause game ba using button on joystick or by pressing p on your keyboard (serial communication). More info on my blog: http://sdizdarevic.com/post/94147065625/frdm-k64f-project
Diff: N5110/N5110.h
- Revision:
- 0:5bdb67970267
--- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/N5110/N5110.h Fri Aug 08 06:44:50 2014 +0000 @@ -0,0 +1,318 @@ +/** +@file N5110.h + +@brief Header file containing member functions and variables + +*/ + +#ifndef N5110_H +#define N5110_H + +// Command Bytes - taken from Chris Yan's library +// More information can be found in the display datasheet +// H = 0 - Basic instructions +#define CMD_DC_CLEAR_DISPLAY 0x08 +#define CMD_DC_NORMAL_MODE 0x0C +#define CMD_DC_FILL_DISPLAY 0x09 +#define CMD_DC_INVERT_VIDEO 0x0D +#define CMD_FS_HORIZONTAL_MODE 0x00 +#define CMD_FS_VERTICAL_MODE 0x02 +#define CMD_FS_BASIC_MODE 0x00 +#define CMD_FS_EXTENDED_MODE 0x01 +#define CMD_FS_ACTIVE_MODE 0x00 +#define CMD_FS_POWER_DOWN_MODE 0x04 +// H = 1 - Extended instructions +#define CMD_TC_TEMP_0 0x04 +#define CMD_TC_TEMP_1 0x05 +#define CMD_TC_TEMP_2 0x06 +#define CMD_TC_TEMP_3 0x07 +#define CMD_BI_MUX_24 0x15 +#define CMD_BI_MUX_48 0x13 +#define CMD_BI_MUX_100 0x10 +#define CMD_VOP_6V06 0xB2 +#define CMD_VOP_7V38 0xC8 + +#include "mbed.h" + +/** +@brief Simple library for interfacing with Nokia 5110 LCD display (https://www.sparkfun.com/products/10168) using the hardware SPI on the mbed. +@brief The display is powered from a GPIO pin meaning it can be controlled via software. The LED backlight is also software-controllable (via PWM pin). +@brief Can print characters and strings to the display using the included 5x7 font. +@brief The library also implements a screen buffer so that individual pixels on the display (84 x 48) can be set, cleared and read. + +@brief Acknowledgements to Chris Yan's Nokia_5110 Library. + +@brief Revision 1.0 + +@author Craig A. Evans +@date January 2014 + * + * Example: + * @code + + #include "mbed.h" + #include "N5110.h" + + // VCC,SCE,RST,D/C,MOSI,SCLK,LED + N5110 lcd(p7,p8,p9,p10,p11,p13,p26); + + int main() { + + // initialise display + lcd.init(); + // print a string in top-left corner + lcd.printString("Hello, World!",0,0); + // move cursor to 4th row + lcd.setXYAddress(0,3); + // print character + lcd.printChar('X'); + + while(1); + } + + * @endcode + */ +class N5110 +{ + +public: + /** Create a N5110 object connected to the specified pins + * + * @param pwr Pin connected to Vcc on the LCD display (pin 1) + * @param sce Pin connected to chip enable (pin 3) + * @param rst Pin connected to reset (pin 4) + * @param dc Pin connected to data/command select (pin 5) + * @param mosi Pin connected to data input (MOSI) (pin 6) + * @param sclk Pin connected to serial clock (SCLK) (pin 7) + * @param led Pin connected to LED backlight (must be PWM) (pin 8) + * + */ + N5110(PinName pwrPin, PinName scePin, PinName rstPin, PinName dcPin, PinName mosiPin, PinName sclkPin, PinName ledPin); + + /** Initialise display + * + * Powers up the display and turns on backlight (50% brightness default). + * Sets the display up in horizontal addressing mode and with normal video mode. + */ + void init(); + + /** Turn off + * + * Powers down the display and turns of the backlight. + * Needs to be reinitialised before being re-used. + */ + void turnOff(); + + /** Clears + * + * Clears the screen. + */ + void clear(); + + /** Turn on normal video mode (default) + * Black on white + */ + void normalMode(); + + /** Turn on inverse video mode (default) + * White on black + */ + void inverseMode(); + + /** Set Brightness + * + * Sets brightness of LED backlight. + * @param brightness - float in range 0.0 to 1.0 + */ + void setBrightness(float brightness); + + /** Set XY Address + * + * Sets the X and Y address of where the next data sent to the displa will be written in RAM. + * @param x - the column number (0 to 83) - is automatically incremented after data is written + * @param y - the row number (0 to 5) - the diplay is split into 6 banks - each bank can be considered a row + */ + void setXYAddress(int x, int y); + + /** Print String + * + * Prints a string of characters to the display. + * @param x - the column number (0 to 83) + * @param y - the row number (0 to 5) - the display is split into 6 banks - each bank can be considered a row + */ + void printString(const char * str,int x,int y); + + /** Print Character + * + * Sends a character to the display. Will be printed at the current address. + * X address is autoincremented by 1 to leave a pixel between successive characters. + * @param c - the character to print. Can print ASCII as so printChar('C'). + */ + void printChar(char c); + + /** Set a Pixel + * + * This function sets a pixel in the display. A call to refresh() must be made + * to update the display to reflect the change in pixels. + * @param x - the x co-ordinate of the pixel (0 to 83) + * @param y - the y co-ordinate of the pixel (0 to 47) + */ + void setPixel(int x, int y); + + /** Clear a Pixel + * + * This function clears pixel in the display. A call to refresh() must be made + * to update the display to reflect the change in pixels. + * @param x - the x co-ordinate of the pixel (0 to 83) + * @param y - the y co-ordinate of the pixel (0 to 47) + */ + void clearPixel(int x, int y); + + /** Get a Pixel + * + * This function gets the status of a pixel in the display. + * @param x - the x co-ordinate of the pixel (0 to 83) + * @param y - the y co-ordinate of the pixel (0 to 47) + * @returns + * 0 - pixel is clear + * non-zero - pixel is set + */ + unsigned char getPixel(int x, int y); + + /** Refresh display + * + * This functions refreshes the display to reflect the current data in the buffer. + */ + void refresh(); + + /** Randomise buffer + * + * This function fills the buffer with random data. Can be used to test the display. + * A call to refresh() must be made to update the display to reflect the change in pixels. + * The seed is not set and so the generated pattern will probably be the same each time. + * TODO: Randomise the seed - maybe using the noise on the AnalogIn pins. + */ + void randomiseBuffer(); + +private: + void initSPI(); + void turnOn(); + void reset(); + void clearRAM(); + void clearBuffer(); + void sendCommand(unsigned char command); + void sendData(unsigned char data); + +public: + unsigned char buffer[84][6]; // screen buffer - the 6 is for the banks - each one is 8 bits; + +private: // private variables + SPI* spi; + PwmOut* led; + DigitalOut* pwr; + DigitalOut* sce; + DigitalOut* rst; + DigitalOut* dc; + +}; + +const unsigned char font5x7[480] = { + 0x00, 0x00, 0x00, 0x00, 0x00,// (space) + 0x00, 0x00, 0x5F, 0x00, 0x00,// ! + 0x00, 0x07, 0x00, 0x07, 0x00,// " + 0x14, 0x7F, 0x14, 0x7F, 0x14,// # + 0x24, 0x2A, 0x7F, 0x2A, 0x12,// $ + 0x23, 0x13, 0x08, 0x64, 0x62,// % + 0x36, 0x49, 0x55, 0x22, 0x50,// & + 0x00, 0x05, 0x03, 0x00, 0x00,// ' + 0x00, 0x1C, 0x22, 0x41, 0x00,// ( + 0x00, 0x41, 0x22, 0x1C, 0x00,// ) + 0x08, 0x2A, 0x1C, 0x2A, 0x08,// * + 0x08, 0x08, 0x3E, 0x08, 0x08,// + + 0x00, 0x50, 0x30, 0x00, 0x00,// , + 0x08, 0x08, 0x08, 0x08, 0x08,// - + 0x00, 0x60, 0x60, 0x00, 0x00,// . + 0x20, 0x10, 0x08, 0x04, 0x02,// / + 0x3E, 0x51, 0x49, 0x45, 0x3E,// 0 + 0x00, 0x42, 0x7F, 0x40, 0x00,// 1 + 0x42, 0x61, 0x51, 0x49, 0x46,// 2 + 0x21, 0x41, 0x45, 0x4B, 0x31,// 3 + 0x18, 0x14, 0x12, 0x7F, 0x10,// 4 + 0x27, 0x45, 0x45, 0x45, 0x39,// 5 + 0x3C, 0x4A, 0x49, 0x49, 0x30,// 6 + 0x01, 0x71, 0x09, 0x05, 0x03,// 7 + 0x36, 0x49, 0x49, 0x49, 0x36,// 8 + 0x06, 0x49, 0x49, 0x29, 0x1E,// 9 + 0x00, 0x36, 0x36, 0x00, 0x00,// : + 0x00, 0x56, 0x36, 0x00, 0x00,// ; + 0x00, 0x08, 0x14, 0x22, 0x41,// < + 0x14, 0x14, 0x14, 0x14, 0x14,// = + 0x41, 0x22, 0x14, 0x08, 0x00,// > + 0x02, 0x01, 0x51, 0x09, 0x06,// ? + 0x32, 0x49, 0x79, 0x41, 0x3E,// @ + 0x7E, 0x11, 0x11, 0x11, 0x7E,// A + 0x7F, 0x49, 0x49, 0x49, 0x36,// B + 0x3E, 0x41, 0x41, 0x41, 0x22,// C + 0x7F, 0x41, 0x41, 0x22, 0x1C,// D + 0x7F, 0x49, 0x49, 0x49, 0x41,// E + 0x7F, 0x09, 0x09, 0x01, 0x01,// F + 0x3E, 0x41, 0x41, 0x51, 0x32,// G + 0x7F, 0x08, 0x08, 0x08, 0x7F,// H + 0x00, 0x41, 0x7F, 0x41, 0x00,// I + 0x20, 0x40, 0x41, 0x3F, 0x01,// J + 0x7F, 0x08, 0x14, 0x22, 0x41,// K + 0x7F, 0x40, 0x40, 0x40, 0x40,// L + 0x7F, 0x02, 0x04, 0x02, 0x7F,// M + 0x7F, 0x04, 0x08, 0x10, 0x7F,// N + 0x3E, 0x41, 0x41, 0x41, 0x3E,// O + 0x7F, 0x09, 0x09, 0x09, 0x06,// P + 0x3E, 0x41, 0x51, 0x21, 0x5E,// Q + 0x7F, 0x09, 0x19, 0x29, 0x46,// R + 0x46, 0x49, 0x49, 0x49, 0x31,// S + 0x01, 0x01, 0x7F, 0x01, 0x01,// T + 0x3F, 0x40, 0x40, 0x40, 0x3F,// U + 0x1F, 0x20, 0x40, 0x20, 0x1F,// V + 0x7F, 0x20, 0x18, 0x20, 0x7F,// W + 0x63, 0x14, 0x08, 0x14, 0x63,// X + 0x03, 0x04, 0x78, 0x04, 0x03,// Y + 0x61, 0x51, 0x49, 0x45, 0x43,// Z + 0x00, 0x00, 0x7F, 0x41, 0x41,// [ + 0x02, 0x04, 0x08, 0x10, 0x20,// "\" + 0x41, 0x41, 0x7F, 0x00, 0x00,// ] + 0x04, 0x02, 0x01, 0x02, 0x04,// ^ + 0x40, 0x40, 0x40, 0x40, 0x40,// _ + 0x00, 0x01, 0x02, 0x04, 0x00,// ` + 0x20, 0x54, 0x54, 0x54, 0x78,// a + 0x7F, 0x48, 0x44, 0x44, 0x38,// b + 0x38, 0x44, 0x44, 0x44, 0x20,// c + 0x38, 0x44, 0x44, 0x48, 0x7F,// d + 0x38, 0x54, 0x54, 0x54, 0x18,// e + 0x08, 0x7E, 0x09, 0x01, 0x02,// f + 0x08, 0x14, 0x54, 0x54, 0x3C,// g + 0x7F, 0x08, 0x04, 0x04, 0x78,// h + 0x00, 0x44, 0x7D, 0x40, 0x00,// i + 0x20, 0x40, 0x44, 0x3D, 0x00,// j + 0x00, 0x7F, 0x10, 0x28, 0x44,// k + 0x00, 0x41, 0x7F, 0x40, 0x00,// l + 0x7C, 0x04, 0x18, 0x04, 0x78,// m + 0x7C, 0x08, 0x04, 0x04, 0x78,// n + 0x38, 0x44, 0x44, 0x44, 0x38,// o + 0x7C, 0x14, 0x14, 0x14, 0x08,// p + 0x08, 0x14, 0x14, 0x18, 0x7C,// q + 0x7C, 0x08, 0x04, 0x04, 0x08,// r + 0x48, 0x54, 0x54, 0x54, 0x20,// s + 0x04, 0x3F, 0x44, 0x40, 0x20,// t + 0x3C, 0x40, 0x40, 0x20, 0x7C,// u + 0x1C, 0x20, 0x40, 0x20, 0x1C,// v + 0x3C, 0x40, 0x30, 0x40, 0x3C,// w + 0x44, 0x28, 0x10, 0x28, 0x44,// x + 0x0C, 0x50, 0x50, 0x50, 0x3C,// y + 0x44, 0x64, 0x54, 0x4C, 0x44,// z + 0x00, 0x08, 0x36, 0x41, 0x00,// { + 0x00, 0x00, 0x7F, 0x00, 0x00,// | + 0x00, 0x41, 0x36, 0x08, 0x00,// } + 0x08, 0x08, 0x2A, 0x1C, 0x08,// -> + 0x08, 0x1C, 0x2A, 0x08, 0x08 // <- +}; + +#endif