From b1352ac6c43c80cf0625e0bd81874106d4eccf2f Mon Sep 17 00:00:00 2001 From: William Fish <wfish001@gold.ac.uk> Date: Thu, 22 Feb 2018 11:44:14 +0000 Subject: [PATCH] led progress --- LEDprogress/src/WS2812.cpp | 114 ++++++++++++++++++++++ LEDprogress/src/WS2812.h | 99 ++++++++++++++++++++ LEDprogress/src/cRGB.h | 115 +++++++++++++++++++++++ LEDprogress/src/light_ws2812.cpp | 156 +++++++++++++++++++++++++++++++ LEDprogress/src/main.cpp | 13 +++ LEDprogress/src/ofApp.cpp | 114 ++++++++++++++++++++++ LEDprogress/src/ofApp.h | 34 +++++++ 7 files changed, 645 insertions(+) create mode 100644 LEDprogress/src/WS2812.cpp create mode 100644 LEDprogress/src/WS2812.h create mode 100644 LEDprogress/src/cRGB.h create mode 100644 LEDprogress/src/light_ws2812.cpp create mode 100644 LEDprogress/src/main.cpp create mode 100644 LEDprogress/src/ofApp.cpp create mode 100644 LEDprogress/src/ofApp.h diff --git a/LEDprogress/src/WS2812.cpp b/LEDprogress/src/WS2812.cpp new file mode 100644 index 0000000..10d5596 --- /dev/null +++ b/LEDprogress/src/WS2812.cpp @@ -0,0 +1,114 @@ +/* +* light weight WS2812 lib V2.1 - Arduino support +* +* Controls WS2811/WS2812/WS2812B RGB-LEDs +* Author: Matthias Riegler +* +* Mar 07 2014: Added Arduino and C++ Library +* +* September 6, 2014: Added option to switch between most popular color orders +* (RGB, GRB, and BRG) -- Windell H. Oskay +* +* License: GNU GPL v2 (see License.txt) +*/ + +#include "WS2812.h" +#include <stdlib.h> + +WS2812::WS2812(uint16_t num_leds) { + count_led = num_leds; + + pixels = (uint8_t*)malloc(count_led*3); + #ifdef RGB_ORDER_ON_RUNTIME + offsetGreen = 0; + offsetRed = 1; + offsetBlue = 2; + #endif +} + +cRGB WS2812::get_crgb_at(uint16_t index) { + + cRGB px_value; + + if(index < count_led) { + + uint16_t tmp; + tmp = index * 3; + + px_value.r = pixels[OFFSET_R(tmp)]; + px_value.g = pixels[OFFSET_G(tmp)]; + px_value.b = pixels[OFFSET_B(tmp)]; + } + + return px_value; +} + +uint8_t WS2812::set_crgb_at(uint16_t index, cRGB px_value) { + + if(index < count_led) { + + uint16_t tmp; + tmp = index * 3; + + pixels[OFFSET_R(tmp)] = px_value.r; + pixels[OFFSET_G(tmp)] = px_value.g; + pixels[OFFSET_B(tmp)] = px_value.b; + return 0; + } + return 1; +} + +uint8_t WS2812::set_subpixel_at(uint16_t index, uint8_t offset, uint8_t px_value) { + if (index < count_led) { + uint16_t tmp; + tmp = index * 3; + + pixels[tmp + offset] = px_value; + return 0; + } + return 1; +} + +void WS2812::sync() { + *ws2812_port_reg |= pinMask; // Enable DDR + ws2812_sendarray_mask(pixels,3*count_led,pinMask,(uint8_t*) ws2812_port,(uint8_t*) ws2812_port_reg ); +} + +#ifdef RGB_ORDER_ON_RUNTIME +void WS2812::setColorOrderGRB() { // Default color order + offsetGreen = 0; + offsetRed = 1; + offsetBlue = 2; +} + +void WS2812::setColorOrderRGB() { + offsetRed = 0; + offsetGreen = 1; + offsetBlue = 2; +} + +void WS2812::setColorOrderBRG() { + offsetBlue = 0; + offsetRed = 1; + offsetGreen = 2; +} +#endif + +WS2812::~WS2812() { + free(pixels); + +} + +#ifndef ARDUINO +void WS2812::setOutput(const volatile uint8_t* port, volatile uint8_t* reg, uint8_t pin) { + pinMask = (1<<pin); + ws2812_port = port; + ws2812_port_reg = reg; +} +#else +void WS2812::setOutput(uint8_t pin) { + pinMask = digitalPinToBitMask(pin); + ws2812_port = portOutputRegister(digitalPinToPort(pin)); + ws2812_port_reg = portModeRegister(digitalPinToPort(pin)); +} +#endif \ No newline at end of file diff --git a/LEDprogress/src/WS2812.h b/LEDprogress/src/WS2812.h new file mode 100644 index 0000000..e571650 --- /dev/null +++ b/LEDprogress/src/WS2812.h @@ -0,0 +1,99 @@ +/* +* light weight WS2812 lib V2.1 - Arduino support +* +* Controls WS2811/WS2812/WS2812B RGB-LEDs +* Author: Matthias Riegler +* +* Mar 07 2014: Added Arduino and C++ Library +* +* September 6, 2014 Added option to switch between most popular color orders +* (RGB, GRB, and BRG) -- Windell H. Oskay +* +* January 24, 2015 Added option to make color orders static again +* Moved cRGB to a header so it is easier to replace / expand +* (added SetHSV based on code from kasperkamperman.com) +* -- Freezy +* +* License: GNU GPL v2 (see License.txt) +*/ + +#ifndef WS2812_H_ +#define WS2812_H_ + +#include <avr/interrupt.h> +#include <avr/io.h> +#ifndef F_CPU +#define F_CPU 16000000UL +#endif +#include <util/delay.h> +#include <stdint.h> + +#ifdef ARDUINO +#if (ARDUINO >= 100) +#include <Arduino.h> +#else +#include <WProgram.h> +#include <pins_arduino.h> +#endif +#endif + +//Easier to change cRGB into any other rgb struct +#include "cRGB.h" + +// If you want to use the setColorOrder functions, enable this line +#define RGB_ORDER_ON_RUNTIME + +#ifdef RGB_ORDER_ON_RUNTIME + #define OFFSET_R(r) r+offsetRed + #define OFFSET_G(g) g+offsetGreen + #define OFFSET_B(b) b+offsetBlue +#else +// CHANGE YOUR STATIC RGB ORDER HERE + #define OFFSET_R(r) r+1 + #define OFFSET_G(g) g + #define OFFSET_B(b) b+2 +#endif + +class WS2812 { +public: + WS2812(uint16_t num_led); + ~WS2812(); + + #ifndef ARDUINO + void setOutput(const volatile uint8_t* port, volatile uint8_t* reg, uint8_t pin); + #else + void setOutput(uint8_t pin); + #endif + + cRGB get_crgb_at(uint16_t index); + uint8_t set_crgb_at(uint16_t index, cRGB px_value); + uint8_t set_subpixel_at(uint16_t index, uint8_t offset, uint8_t px_value); + + void sync(); + +#ifdef RGB_ORDER_ON_RUNTIME + void setColorOrderRGB(); + void setColorOrderGRB(); + void setColorOrderBRG(); +#endif + +private: + uint16_t count_led; + uint8_t *pixels; + +#ifdef RGB_ORDER_ON_RUNTIME + uint8_t offsetRed; + uint8_t offsetGreen; + uint8_t offsetBlue; +#endif + + void ws2812_sendarray_mask(uint8_t *array,uint16_t length, uint8_t pinmask,uint8_t *port, uint8_t *portreg); + + const volatile uint8_t *ws2812_port; + volatile uint8_t *ws2812_port_reg; + uint8_t pinMask; +}; + + + +#endif /* WS2812_H_ */ diff --git a/LEDprogress/src/cRGB.h b/LEDprogress/src/cRGB.h new file mode 100644 index 0000000..0a3f0b2 --- /dev/null +++ b/LEDprogress/src/cRGB.h @@ -0,0 +1,115 @@ +#ifndef CRGB_H +#define CRGB_H + +/* +Control a RGB led with Hue, Saturation and Brightness (HSB / HSV ) + +Hue is change by an analog input. +Brightness is changed by a fading function. +Saturation stays constant at 255 + +getRGB() function based on <http://www.codeproject.com/miscctrl/CPicker.asp> +dim_curve idea by Jims + +created 05-01-2010 by kasperkamperman.com +*/ + +/* +dim_curve 'lookup table' to compensate for the nonlinearity of human vision. +Used in the getRGB function on saturation and brightness to make 'dimming' look more natural. +Exponential function used to create values below : +x from 0 - 255 : y = round(pow( 2.0, x+64/40.0) - 1) +*/ + +// uncomment this line if you use HSV is many projects +// #define USE_HSV + +#ifdef USE_HSV +const byte dim_curve[] = { + 0, 1, 1, 2, 2, 2, 2, 2, 2, 3, 3, 3, 3, 3, 3, 3, + 3, 3, 3, 3, 3, 3, 3, 4, 4, 4, 4, 4, 4, 4, 4, 4, + 4, 4, 4, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 6, 6, 6, + 6, 6, 6, 6, 6, 7, 7, 7, 7, 7, 7, 7, 8, 8, 8, 8, + 8, 8, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 11, 11, 11, + 11, 11, 12, 12, 12, 12, 12, 13, 13, 13, 13, 14, 14, 14, 14, 15, + 15, 15, 16, 16, 16, 16, 17, 17, 17, 18, 18, 18, 19, 19, 19, 20, + 20, 20, 21, 21, 22, 22, 22, 23, 23, 24, 24, 25, 25, 25, 26, 26, + 27, 27, 28, 28, 29, 29, 30, 30, 31, 32, 32, 33, 33, 34, 35, 35, + 36, 36, 37, 38, 38, 39, 40, 40, 41, 42, 43, 43, 44, 45, 46, 47, + 48, 48, 49, 50, 51, 52, 53, 54, 55, 56, 57, 58, 59, 60, 61, 62, + 63, 64, 65, 66, 68, 69, 70, 71, 73, 74, 75, 76, 78, 79, 81, 82, + 83, 85, 86, 88, 90, 91, 93, 94, 96, 98, 99, 101, 103, 105, 107, 109, + 110, 112, 114, 116, 118, 121, 123, 125, 127, 129, 132, 134, 136, 139, 141, 144, + 146, 149, 151, 154, 157, 159, 162, 165, 168, 171, 174, 177, 180, 183, 186, 190, + 193, 196, 200, 203, 207, 211, 214, 218, 222, 226, 230, 234, 238, 242, 248, 255, +}; +#endif + +struct cRGB { + uint8_t g; + uint8_t r; + uint8_t b; + +#ifdef USE_HSV + void SetHSV(int hue, byte sat, byte val) { + /* convert hue, saturation and brightness ( HSB/HSV ) to RGB + The dim_curve is used only on brightness/value and on saturation (inverted). + This looks the most natural. + */ + + val = dim_curve[val]; + sat = 255 - dim_curve[255 - sat]; + + int base; + + if (sat == 0) { // Acromatic color (gray). Hue doesn't mind. + r = val; + g = val; + b = val; + } + else { + base = ((255 - sat) * val) >> 8; + + switch (hue / 60) { + case 0: + r = val; + g = (((val - base)*hue) / 60) + base; + b = base; + break; + + case 1: + r = (((val - base)*(60 - (hue % 60))) / 60) + base; + g = val; + b = base; + break; + + case 2: + r = base; + g = val; + b = (((val - base)*(hue % 60)) / 60) + base; + break; + + case 3: + r = base; + g = (((val - base)*(60 - (hue % 60))) / 60) + base; + b = val; + break; + + case 4: + r = (((val - base)*(hue % 60)) / 60) + base; + g = base; + b = val; + break; + + case 5: + r = val; + g = base; + b = (((val - base)*(60 - (hue % 60))) / 60) + base; + break; + } + } + } +#endif +}; + +#endif \ No newline at end of file diff --git a/LEDprogress/src/light_ws2812.cpp b/LEDprogress/src/light_ws2812.cpp new file mode 100644 index 0000000..2440d23 --- /dev/null +++ b/LEDprogress/src/light_ws2812.cpp @@ -0,0 +1,156 @@ +/* +* light weight WS2812 lib V2.1 - Arduino support +* +* Controls WS2811/WS2812/WS2812B RGB-LEDs +* Author: Tim (cpldcpu@gmail.com) +* +* Jan 18th, 2014 v2.0b Initial Version +* March 7th, 2014 v2.1 Added option to retarget the port register during runtime +* Removes inlining to allow compiling with c++ +* +* License: GNU GPL v2 (see License.txt) +*/ + +#include "WS2812.h" + +/* + This routine writes an array of bytes with RGB values to the Dataout pin + using the fast 800kHz clockless WS2811/2812 protocol. +*/ + +// Timing in ns +#define w_zeropulse 350 +#define w_onepulse 900 +#define w_totalperiod 1250 + +// Fixed cycles used by the inner loop +#define w_fixedlow 3 +#define w_fixedhigh 6 +#define w_fixedtotal 10 + +// Insert NOPs to match the timing, if possible +#define w_zerocycles (((F_CPU/1000)*w_zeropulse )/1000000) +#define w_onecycles (((F_CPU/1000)*w_onepulse +500000)/1000000) +#define w_totalcycles (((F_CPU/1000)*w_totalperiod +500000)/1000000) + +// w1 - nops between rising edge and falling edge - low +#define w1 (w_zerocycles-w_fixedlow) +// w2 nops between fe low and fe high +#define w2 (w_onecycles-w_fixedhigh-w1) +// w3 nops to complete loop +#define w3 (w_totalcycles-w_fixedtotal-w1-w2) + +#if w1>0 + #define w1_nops w1 +#else + #define w1_nops 0 +#endif + +// The only critical timing parameter is the minimum pulse length of the "0" +// Warn or throw error if this timing can not be met with current F_CPU settings. +#define w_lowtime ((w1_nops+w_fixedlow)*1000000)/(F_CPU/1000) +#if w_lowtime>550 + #error "Light_ws2812: Sorry, the clock speed is too low. Did you set F_CPU correctly?" +#elif w_lowtime>450 + #warning "Light_ws2812: The timing is critical and may only work on WS2812B, not on WS2812(S)." + #warning "Please consider a higher clockspeed, if possible" +#endif + +#if w2>0 +#define w2_nops w2 +#else +#define w2_nops 0 +#endif + +#if w3>0 +#define w3_nops w3 +#else +#define w3_nops 0 +#endif + +#define w_nop1 "nop \n\t" +#define w_nop2 "rjmp .+0 \n\t" +#define w_nop4 w_nop2 w_nop2 +#define w_nop8 w_nop4 w_nop4 +#define w_nop16 w_nop8 w_nop8 + +void WS2812::ws2812_sendarray_mask(uint8_t *data,uint16_t datlen,uint8_t maskhi,uint8_t *port, uint8_t *portreg) +{ + uint8_t curbyte,ctr,masklo; + uint8_t sreg_prev; + + masklo = ~maskhi & *port; + maskhi |= *port; + sreg_prev=SREG; + cli(); + + while (datlen--) { + curbyte=*data++; + + asm volatile( + " ldi %0,8 \n\t" + "loop%=: \n\t" + " st X,%3 \n\t" // '1' [02] '0' [02] - re +#if (w1_nops&1) +w_nop1 +#endif +#if (w1_nops&2) +w_nop2 +#endif +#if (w1_nops&4) +w_nop4 +#endif +#if (w1_nops&8) +w_nop8 +#endif +#if (w1_nops&16) +w_nop16 +#endif + " sbrs %1,7 \n\t" // '1' [04] '0' [03] + " st X,%4 \n\t" // '1' [--] '0' [05] - fe-low + " lsl %1 \n\t" // '1' [05] '0' [06] +#if (w2_nops&1) + w_nop1 +#endif +#if (w2_nops&2) + w_nop2 +#endif +#if (w2_nops&4) + w_nop4 +#endif +#if (w2_nops&8) + w_nop8 +#endif +#if (w2_nops&16) + w_nop16 +#endif + " brcc skipone%= \n\t" // '1' [+1] '0' [+2] - + " st X,%4 \n\t" // '1' [+3] '0' [--] - fe-high + "skipone%=: " // '1' [+3] '0' [+2] - + +#if (w3_nops&1) +w_nop1 +#endif +#if (w3_nops&2) +w_nop2 +#endif +#if (w3_nops&4) +w_nop4 +#endif +#if (w3_nops&8) +w_nop8 +#endif +#if (w3_nops&16) +w_nop16 +#endif + + " dec %0 \n\t" // '1' [+4] '0' [+3] + " brne loop%=\n\t" // '1' [+5] '0' [+4] + : "=&d" (ctr) +// : "r" (curbyte), "I" (_SFR_IO_ADDR(ws2812_PORTREG)), "r" (maskhi), "r" (masklo) + : "r" (curbyte), "x" (port), "r" (maskhi), "r" (masklo) + ); + } + + SREG=sreg_prev; +} diff --git a/LEDprogress/src/main.cpp b/LEDprogress/src/main.cpp new file mode 100644 index 0000000..4316202 --- /dev/null +++ b/LEDprogress/src/main.cpp @@ -0,0 +1,13 @@ +#include "ofMain.h" +#include "ofApp.h" + +//======================================================================== +int main( ){ + ofSetupOpenGL(500,500,OF_WINDOW); // <-------- setup the GL context + + // this kicks off the running of my app + // can be OF_WINDOW or OF_FULLSCREEN + // pass in width and height too: + ofRunApp(new ofApp()); + +} diff --git a/LEDprogress/src/ofApp.cpp b/LEDprogress/src/ofApp.cpp new file mode 100644 index 0000000..8afff7f --- /dev/null +++ b/LEDprogress/src/ofApp.cpp @@ -0,0 +1,114 @@ +#include "ofApp.h" + +//-------------------------------------------------------------- +void ofApp::setup(){ + ofEnableDepthTest(); + + // Change string "/dev/somthing" to the Serial port of your arduino + //serial.setup("COM5", 9600); + arduino.connect("COM5", 57600); + arduino.sendFirmwareVersionRequest(); + // Check if Arduino is ready to be setup + ofAddListener(arduino.EInitialized, this, &ofApp::setupArduino); + bSetupArduino = false; +} + +//-------------------------------------------------------------- +void ofApp::setupArduino(const int & version) { + //Remove listener and setup arduino + ofRemoveListener(arduino.EInitialized, this, &ofApp::setupArduino); + bSetupArduino = true; + + // Setup pins here! // + // set pin D13 as digital output for LED + arduino.sendDigitalPinMode(6, ARD_OUTPUT); + } + +//-------------------------------------------------------------- +void ofApp::update() { + //Update the arduino to get data/ messages + arduino.update(); + + //Do not send anything until the arduino is setup + if(bSetupArduino){ + //Things we are sending! + //Potinput = arduino.getAnalog(1); + //arduino.sendPwm(6, (int)(128 + 128 * sin(ofGetElapsedTimef()))); + + } + + +} + +//-------------------------------------------------------------- +void ofApp::draw(){ + ofBackground(255); + + displayArduinoData(); + + + + +} + +//-------------------------------------------------------------- +void ofApp::displayArduinoData() { + + ofSetColor(0, 0, 0); + if(!bSetupArduino){ + ofDrawBitmapString("not ready...\n", 100, 50); + } else { + ofDrawBitmapString("ready", 100, 50); + // print input values etc. + } +} + +//-------------------------------------------------------------- +void ofApp::keyPressed(int key) { + if (bSetupArduino) { + if (key == '1') { + //arduino.sendByte(3); + arduino.sendByte(0); + arduino.sendByte(0); + arduino.sendByte(0); + arduino.sendDigital(6, 1); + //arduino.sendByte(1); + //arduino.sendPwm(6, (int)(128 + 128 * sin(ofGetElapsedTimef()))); + + } + + // turn led on here + + } +} + +//-------------------------------------------------------------- +void ofApp::keyReleased(int key){ + if(bSetupArduino) { + if (key == '1'){ + // turn led off here + arduino.sendDigital(6, 0); + + } + } +} + +//-------------------------------------------------------------- +void ofApp::mouseMoved(int x, int y ){ + +} + +//-------------------------------------------------------------- +void ofApp::mouseDragged(int x, int y, int button){ + +} + +//-------------------------------------------------------------- +void ofApp::mousePressed(int x, int y, int button){ + +} + +//-------------------------------------------------------------- +void ofApp::mouseReleased(int x, int y, int button){ + +} diff --git a/LEDprogress/src/ofApp.h b/LEDprogress/src/ofApp.h new file mode 100644 index 0000000..e522188 --- /dev/null +++ b/LEDprogress/src/ofApp.h @@ -0,0 +1,34 @@ +#pragma once + +#include "ofMain.h" +#include "ofEvents.h" + +class ofApp : public ofBaseApp{ + + public: + void setup(); + void update(); + void draw(); + + void keyPressed(int key); + void keyReleased(int key); + void mouseMoved(int x, int y ); + void mouseDragged(int x, int y, int button); + void mousePressed(int x, int y, int button); + void mouseReleased(int x, int y, int button); + + void setupArduino(const int & version); + + void displayArduinoData(); + + int Potinput; + + + + + private: + ofArduino arduino; + bool bSetupArduino; + + + }; -- GitLab