ADAFRUIT GP9002 VFD Driver, requires GFX-Library
Revision 0:e760d4cfabe4, committed 2016-05-07
- Comitter:
- oliverb
- Date:
- Sat May 07 12:53:09 2016 +0000
- Commit message:
- Converted to Library, moved the examples out
Changed in this revision
diff -r 000000000000 -r e760d4cfabe4 Adafruit_GP9002.cpp --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Adafruit_GP9002.cpp Sat May 07 12:53:09 2016 +0000 @@ -0,0 +1,345 @@ +/*#include <avr/pgmspace.h> +#include <util/delay.h> +#include <stdlib.h>*/ + +#include "Adafruit_GFX.h" +#include "Adafruit_GP9002.h" +#include "glcdfont.c" + +extern const unsigned char BitReverseTable256[] = +{ + 0x00, 0x80, 0x40, 0xC0, 0x20, 0xA0, 0x60, 0xE0, 0x10, 0x90, 0x50, 0xD0, 0x30, 0xB0, 0x70, 0xF0, + 0x08, 0x88, 0x48, 0xC8, 0x28, 0xA8, 0x68, 0xE8, 0x18, 0x98, 0x58, 0xD8, 0x38, 0xB8, 0x78, 0xF8, + 0x04, 0x84, 0x44, 0xC4, 0x24, 0xA4, 0x64, 0xE4, 0x14, 0x94, 0x54, 0xD4, 0x34, 0xB4, 0x74, 0xF4, + 0x0C, 0x8C, 0x4C, 0xCC, 0x2C, 0xAC, 0x6C, 0xEC, 0x1C, 0x9C, 0x5C, 0xDC, 0x3C, 0xBC, 0x7C, 0xFC, + 0x02, 0x82, 0x42, 0xC2, 0x22, 0xA2, 0x62, 0xE2, 0x12, 0x92, 0x52, 0xD2, 0x32, 0xB2, 0x72, 0xF2, + 0x0A, 0x8A, 0x4A, 0xCA, 0x2A, 0xAA, 0x6A, 0xEA, 0x1A, 0x9A, 0x5A, 0xDA, 0x3A, 0xBA, 0x7A, 0xFA, + 0x06, 0x86, 0x46, 0xC6, 0x26, 0xA6, 0x66, 0xE6, 0x16, 0x96, 0x56, 0xD6, 0x36, 0xB6, 0x76, 0xF6, + 0x0E, 0x8E, 0x4E, 0xCE, 0x2E, 0xAE, 0x6E, 0xEE, 0x1E, 0x9E, 0x5E, 0xDE, 0x3E, 0xBE, 0x7E, 0xFE, + 0x01, 0x81, 0x41, 0xC1, 0x21, 0xA1, 0x61, 0xE1, 0x11, 0x91, 0x51, 0xD1, 0x31, 0xB1, 0x71, 0xF1, + 0x09, 0x89, 0x49, 0xC9, 0x29, 0xA9, 0x69, 0xE9, 0x19, 0x99, 0x59, 0xD9, 0x39, 0xB9, 0x79, 0xF9, + 0x05, 0x85, 0x45, 0xC5, 0x25, 0xA5, 0x65, 0xE5, 0x15, 0x95, 0x55, 0xD5, 0x35, 0xB5, 0x75, 0xF5, + 0x0D, 0x8D, 0x4D, 0xCD, 0x2D, 0xAD, 0x6D, 0xED, 0x1D, 0x9D, 0x5D, 0xDD, 0x3D, 0xBD, 0x7D, 0xFD, + 0x03, 0x83, 0x43, 0xC3, 0x23, 0xA3, 0x63, 0xE3, 0x13, 0x93, 0x53, 0xD3, 0x33, 0xB3, 0x73, 0xF3, + 0x0B, 0x8B, 0x4B, 0xCB, 0x2B, 0xAB, 0x6B, 0xEB, 0x1B, 0x9B, 0x5B, 0xDB, 0x3B, 0xBB, 0x7B, 0xFB, + 0x07, 0x87, 0x47, 0xC7, 0x27, 0xA7, 0x67, 0xE7, 0x17, 0x97, 0x57, 0xD7, 0x37, 0xB7, 0x77, 0xF7, + 0x0F, 0x8F, 0x4F, 0xCF, 0x2F, 0xAF, 0x6F, 0xEF, 0x1F, 0x9F, 0x5F, 0xDF, 0x3F, 0xBF, 0x7F, 0xFF +}; + + +/* +Adafruit_GP9002::Adafruit_GP9002(int8_t SCLK, int8_t MISO, int8_t MOSI, + int8_t CS, int8_t DC) : Adafruit_GFX(128, 64) { + _sclk = SCLK; + _miso = MISO; + _mosi = MOSI; + _cs = CS; + _dc = DC; + hwSPI = false; +} + +Adafruit_GP9002::Adafruit_GP9002(int8_t CS, int8_t DC) : + Adafruit_GFX(128, 64) { + _sclk = -1; + _miso = -1; + _mosi = -1; + _cs = CS; + _dc = DC; + hwSPI = true; +} +*/ +Adafruit_GP9002::Adafruit_GP9002(SPI &SPIport, PinName CS, PinName DC): Adafruit_GFX(128, 64), _spi(SPIport), _dc(DC), _cs(CS,1){} ; + + +void Adafruit_GP9002::begin(void) { + // set pin directions +// pinMode(_dc, OUTPUT); +// pinMode(_cs, OUTPUT); + +/* if (! hwSPI) { + pinMode(_mosi, OUTPUT); + pinMode(_miso, INPUT); + pinMode(_sclk, OUTPUT); + + clkport = portOutputRegister(digitalPinToPort(_sclk)); + clkpinmask = digitalPinToBitMask(_sclk); + mosiport = portOutputRegister(digitalPinToPort(_mosi)); + mosipinmask = digitalPinToBitMask(_mosi); + misopin = portInputRegister(digitalPinToPort(_miso)); + misopinmask = digitalPinToBitMask(_miso); + } else { + */ + //SPI.begin(); + // SPI.setClockDivider(SPI_CLOCK_DIV4); + // SPI.setBitOrder(MSBFIRST); + //SPI.setDataMode(SPI_MODE0); + _spi.format(8,3); // I'm sure this is a mode 3 device + _spi.frequency(2000000); // + // } + /* + csport = portOutputRegister(digitalPinToPort(_cs)); + cspinmask = digitalPinToBitMask(_cs); + dcport = portOutputRegister(digitalPinToPort(_dc)); + dcpinmask = digitalPinToBitMask(_dc); + */ + + command(GP9002_DISPLAY); + dataWrite(GP9002_DISPLAY_MONOCHROME); + command(GP9002_LOWERADDR1); + dataWrite(0x0); + command(GP9002_HIGHERADDR1); + dataWrite(0x0); + command(GP9002_LOWERADDR2); + dataWrite(0x0); + command(GP9002_HIGHERADDR2); + dataWrite(0x4); + command(GP9002_OR); + command(GP9002_CLEARSCREEN); + command(GP9002_DISPLAY1ON); + + // hold the address so we can read and then write + command(GP9002_ADDRHELD); +} + + + +// updated high speed drawing! +void Adafruit_GP9002::drawFastVLine(int16_t x, int16_t orig_y, int16_t h, uint16_t color) { + if ((x < 0) || (x >= width()) || (orig_y >= height())) return; + //if ((orig_y+h) >= height()) + // h = height() - orig_y -1; + + //drawLine(x, orig_y, x, orig_y+h, color); return; + + while (h) { + if ((h >= 8) && ((orig_y) % 8 == 0)) + break; + drawPixel(x, orig_y, color); + orig_y++; + h--; + } + + if (h >= 8) { + // calculate addr + uint16_t addr = 0; + addr = x*8; + // uint16_t y = orig_y+h-8; + uint16_t y=orig_y; + // y = 63 - y; //why? + addr += y/8; + + // Serial.println(addr, HEX); ///debug line ? + command(GP9002_ADDRINCR); + command(GP9002_ADDRL); + dataWrite(addr & 0xFF); + command(GP9002_ADDRH); + dataWrite(addr >> 8); + command(GP9002_DATAWRITE); + + while (h >= 8) { + // draw 8 pixels at once! + if (color) + dataWrite(0xFF); + else + dataWrite(0x00); + h -= 8; + orig_y += 8; + } + } + while (h+1) { + drawPixel(x, orig_y-1, color); + orig_y++; + h--; + } + +} + +// the most basic function, set a single pixel +void Adafruit_GP9002::drawPixel(int16_t x, int16_t y, uint16_t color) { + if ((x < 0) || (x >= width()) || (y < 0) || (y >= height())) + return; + + uint8_t p; + + // calculate addr + uint16_t addr = 0; + addr = x*8; + // y = 63 - y; //why + addr += y/8; + + command(GP9002_ADDRHELD); + command(GP9002_ADDRL); + dataWrite(addr & 0xFF); + command(GP9002_ADDRH); + dataWrite(addr >> 8); + command(GP9002_DATAREAD); + dataRead(); + p = dataRead(); + + //Serial.println(p, HEX); + + if (color) + p |= (1 << (7-(y % 8))); + else + p &= ~(1 << (7-(y % 8))); + command(GP9002_DATAWRITE); + dataWrite(p); +} + + + +void Adafruit_GP9002::invert(bool i) { + // This is kinda clumsy but it does work + // fill the opposite screen with all on pixels so we can invert! + uint16_t addr = 0x400; + + command(GP9002_ADDRINCR); + command(GP9002_ADDRL); + dataWrite(addr & 0xFF); + command(GP9002_ADDRH); + dataWrite(addr >> 8); + command(GP9002_DATAWRITE); + + if (i) { + while (addr < 0x0800) { + dataWrite(0xFF); + addr++; + } + command(GP9002_XOR); + } else { + while (addr < 0x0800) { + dataWrite(0x00); + addr++; + } + command(GP9002_OR); + } + command(GP9002_ADDRHELD); + +} +/* +void Adafruit_GP9002::slowSPIwrite(uint8_t d) { + for (uint8_t i=0; i<8; i++) { + digitalWrite(_sclk, LOW); + if (d & _BV(i)) { + digitalWrite(_mosi, HIGH); + } else { + digitalWrite(_mosi, LOW); + } + digitalWrite(_sclk, HIGH); + } +} +*/ +/* +inline void Adafruit_GP9002::fastSPIwrite(uint8_t d) { + if (hwSPI) { + SPDR = d; + while(!(SPSR & _BV(SPIF))); + return; + } + for(uint8_t bit = 0x1; bit != 0x00; bit <<= 1) { + *clkport &= ~clkpinmask; + if(d & bit) *mosiport |= mosipinmask; + else *mosiport &= ~mosipinmask; + *clkport |= clkpinmask; + } +} +*/ +/* +uint8_t Adafruit_GP9002::slowSPIread(void) { + uint8_t reply = 0; + for (uint8_t i=0; i<8; i++) { + digitalWrite(_sclk, LOW); + + digitalWrite(_sclk, HIGH); + if (digitalRead(_miso)) + reply |= _BV(i); + } + return reply; +} + +inline uint8_t Adafruit_GP9002::fastSPIread(void) { + uint8_t reply = 0; + for (uint8_t i=0; i<8; i++) { + *clkport &= ~clkpinmask; + + *clkport |= clkpinmask; + if ((*misopin) & misopinmask) + reply |= _BV(i); + } + return reply; +} +*/ + +void Adafruit_GP9002::command(uint8_t d) { +/* + *dcport |= dcpinmask; + *csport &= ~cspinmask; + fastSPIwrite(d); + *csport |= cspinmask; + delayMicroseconds(1); // should be 400ns actually +*/ +_dc=1; +_cs=0; +_spi.write(BitReverseTable256[d]); +_cs=1; +wait_us(1); +} + +inline void Adafruit_GP9002::dataWrite(uint8_t d) { +/* + *dcport &= ~dcpinmask; + *csport &= ~cspinmask; + + fastSPIwrite(d); + + *csport |= cspinmask; + delayMicroseconds(1); // should be 600ns actually +*/ +_dc=0; +_cs=0; +_spi.write(BitReverseTable256[d]); +_cs=1; +wait_us(1); +} + +inline uint8_t Adafruit_GP9002::dataRead() { + uint8_t r; +/* + *dcport &= ~dcpinmask; + *csport &= ~cspinmask; + + r = fastSPIread(); + + *csport |= cspinmask; + delayMicroseconds(1); + */ + +_dc=0; +_cs=0; +r=BitReverseTable256[_spi.write(0)&0xFF]; +_cs=1; +wait_us(1); + + + return r; +} + +void Adafruit_GP9002::setBrightness(uint8_t val) { + +} + +// clear everything +void Adafruit_GP9002::clearDisplay(void) { + command(GP9002_CLEARSCREEN); + + wait_ms(1); +} + +void Adafruit_GP9002::displayOff(void) { + command(GP9002_DISPLAYSOFF); +} +void Adafruit_GP9002::displayOn(void) { + command(GP9002_DISPLAY1ON); +} + +
diff -r 000000000000 -r e760d4cfabe4 Adafruit_GP9002.h --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/Adafruit_GP9002.h Sat May 07 12:53:09 2016 +0000 @@ -0,0 +1,80 @@ +#ifndef _ADAFRUIT_GP9002_H +#define _ADAFRUIT_GP9002_H + +#include "mbed.h" + +#include "Adafruit_GFX.h" + +#define BLACK 0 +#define WHITE 1 + +#define GP9002_DISPLAYSOFF 0x00 +#define GP9002_DISPLAY1ON 0x01 +#define GP9002_DISPLAY2ON 0x02 +#define GP9002_ADDRINCR 0x04 +#define GP9002_ADDRHELD 0x05 +#define GP9002_CLEARSCREEN 0x06 +#define GP9002_CONTROLPOWER 0x07 +#define GP9002_DATAWRITE 0x08 +#define GP9002_DATAREAD 0x09 +#define GP9002_LOWERADDR1 0x0A +#define GP9002_HIGHERADDR1 0x0B +#define GP9002_LOWERADDR2 0x0C +#define GP9002_HIGHERADDR2 0x0D +#define GP9002_ADDRL 0x0E +#define GP9002_ADDRH 0x0F +#define GP9002_OR 0x10 +#define GP9002_XOR 0x11 +#define GP9002_AND 0x12 +#define GP9002_BRIGHT 0x13 +#define GP9002_DISPLAY 0x14 +#define GP9002_DISPLAY_MONOCHROME 0x10 +#define GP9002_DISPLAY_GRAYSCALE 0x14 +#define GP9002_INTMODE 0x15 +#define GP9002_DRAWCHAR 0x20 +#define GP9002_CHARRAM 0x21 +#define GP9002_CHARSIZE 0x22 +#define GP9002_CHARBRIGHT 0x24 + + +class Adafruit_GP9002 : public Adafruit_GFX { + public: +/* Adafruit_GP9002(int8_t SCLK, int8_t MISO, int8_t MOSI, + int8_t CS, int8_t DC); +*/ + Adafruit_GP9002(SPI &SPIport, PinName CS, PinName DC); + + // particular to this display + void begin(void); +// uint8_t slowSPIread(); +// uint8_t fastSPIread(); +// void slowSPIwrite(uint8_t); +// void fastSPIwrite(uint8_t); + + void command(uint8_t c); + void dataWrite(uint8_t c); + uint8_t dataRead(void); + void setBrightness(uint8_t val); + void invert(bool i); + + void displayOn(); + void displayOff(); + void clearDisplay(void); + + virtual void drawPixel(int16_t x, int16_t y, uint16_t color); + virtual void drawFastVLine(int16_t x, int16_t y, int16_t h, uint16_t color); + + private: +// int8_t _miso, _mosi, _sclk, _dc, _cs; + SPI _spi; + DigitalOut _dc, _cs; + +// volatile uint8_t *mosiport, *misopin, *clkport, *csport, *dcport; +// uint8_t mosipinmask, misopinmask, clkpinmask, cspinmask, dcpinmask; + +// bool hwSPI; + + void spiwrite(uint8_t c); +}; + +#endif
diff -r 000000000000 -r e760d4cfabe4 README.txt --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/README.txt Sat May 07 12:53:09 2016 +0000 @@ -0,0 +1,23 @@ +This is a library for our Monochrome 128x64 Graphical VFD + + Pick one up today in the adafruit shop! + ------> http://www.adafruit.com/products/773 + +These displays use SPI to communicate, 5 pins are required to +interface + +Adafruit invests time and resources providing this open source code, +please support Adafruit and open-source hardware by purchasing +products from Adafruit! + +Written by Limor Fried/Ladyada for Adafruit Industries. +BSD license, check license.txt for more information +All text above must be included in any redistribution + +To download. click the DOWNLOADS button in the top right corner, rename the uncompressed folder Adafruit_GP9002. Check that the Adafruit_GP9002 folder contains Adafruit_GP9002.cpp and Adafruit_GP9002.h + +Place the Adafruit_GP9002 library folder your <arduinosketchfolder>/libraries/ folder. You may need to create the libraries subfolder if its your first library. Restart the IDE. + +You will also have to download the Adafruit GFX Graphics core which does all the circles, text, rectangles, etc. You can get it from +https://github.com/adafruit/Adafruit-GFX-Library +and download/install that library as well \ No newline at end of file
diff -r 000000000000 -r e760d4cfabe4 library.properties --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/library.properties Sat May 07 12:53:09 2016 +0000 @@ -0,0 +1,9 @@ +name=Adafruit Graphic VFD Display Library +version=1.0.0 +author=Adafruit +maintainer=Adafruit <info@adafruit.com> +sentence=Adafruit's 128x64 Graphic VFD Display Library +paragraph=Adafruit's 128x64 Graphic VFD Display Library +category=Display +url=https://github.com/adafruit/Adafruit-Graphic-VFD-Display-Library +architectures=*
diff -r 000000000000 -r e760d4cfabe4 license.txt --- /dev/null Thu Jan 01 00:00:00 1970 +0000 +++ b/license.txt Sat May 07 12:53:09 2016 +0000 @@ -0,0 +1,26 @@ +Software License Agreement (BSD License) + +Copyright (c) 2012, Adafruit Industries +All rights reserved. + +Redistribution and use in source and binary forms, with or without +modification, are permitted provided that the following conditions are met: +1. Redistributions of source code must retain the above copyright +notice, this list of conditions and the following disclaimer. +2. Redistributions in binary form must reproduce the above copyright +notice, this list of conditions and the following disclaimer in the +documentation and/or other materials provided with the distribution. +3. Neither the name of the copyright holders nor the +names of its contributors may be used to endorse or promote products +derived from this software without specific prior written permission. + +THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY +EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED +WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE +DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY +DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES +(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; +LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND +ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT +(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS +SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.