CreaLab / Mbed 2 deprecated AutomaticDispenser

test

Dependencies:   mbed AsyncBuzzerLib X_NUCLEO_53L1A1_mbed WS2812

LED_WS2812/Pixel/PixelArray.cpp@0:89b87662e64b, 2020-09-29 (annotated)

Committer:
elab
Date:
Tue Sep 29 09:08:55 2020 +0000
Revision:
0:89b87662e64b
first version

Who changed what in which revision?

UserRevisionLine numberNew contents of line
elab 0:89b87662e64b 1 #include "PixelArray.h"
elab 0:89b87662e64b 2
elab 0:89b87662e64b 3 PixelArray::PixelArray(int size)
elab 0:89b87662e64b 4 {
elab 0:89b87662e64b 5 pbufsize = size;
elab 0:89b87662e64b 6 pbuf = new int[pbufsize];
elab 0:89b87662e64b 7 SetAll(0x0); // initialise memory to zeros
elab 0:89b87662e64b 8
elab 0:89b87662e64b 9 }
elab 0:89b87662e64b 10
elab 0:89b87662e64b 11 PixelArray::~PixelArray()
elab 0:89b87662e64b 12 {
elab 0:89b87662e64b 13 delete[] pbuf;
elab 0:89b87662e64b 14 }
elab 0:89b87662e64b 15
elab 0:89b87662e64b 16 void PixelArray::SetAll(unsigned int value)
elab 0:89b87662e64b 17 {
elab 0:89b87662e64b 18 // for each pixel
elab 0:89b87662e64b 19 for (int i=0 ; i < pbufsize; i++) {
elab 0:89b87662e64b 20 __set_pixel(i,value);
elab 0:89b87662e64b 21 }
elab 0:89b87662e64b 22 }
elab 0:89b87662e64b 23
elab 0:89b87662e64b 24
elab 0:89b87662e64b 25 void PixelArray::SetAllI(unsigned char value)
elab 0:89b87662e64b 26 {
elab 0:89b87662e64b 27 // for each pixel
elab 0:89b87662e64b 28 for (int i=0 ; i < pbufsize; i++) {
elab 0:89b87662e64b 29 __set_pixel_component(i,3,value);
elab 0:89b87662e64b 30 }
elab 0:89b87662e64b 31 }
elab 0:89b87662e64b 32
elab 0:89b87662e64b 33
elab 0:89b87662e64b 34
elab 0:89b87662e64b 35 void PixelArray::SetAllR(unsigned char value)
elab 0:89b87662e64b 36 {
elab 0:89b87662e64b 37 // for each pixel
elab 0:89b87662e64b 38 for (int i=0 ; i < pbufsize; i++) {
elab 0:89b87662e64b 39 __set_pixel_component(i,2,value);
elab 0:89b87662e64b 40 }
elab 0:89b87662e64b 41 }
elab 0:89b87662e64b 42
elab 0:89b87662e64b 43 void PixelArray::SetAllG(unsigned char value)
elab 0:89b87662e64b 44 {
elab 0:89b87662e64b 45 // for each pixel
elab 0:89b87662e64b 46 for (int i=0 ; i < pbufsize; i++) {
elab 0:89b87662e64b 47 __set_pixel_component(i,1,value);
elab 0:89b87662e64b 48 }
elab 0:89b87662e64b 49 }
elab 0:89b87662e64b 50
elab 0:89b87662e64b 51 void PixelArray::SetAllB(unsigned char value)
elab 0:89b87662e64b 52 {
elab 0:89b87662e64b 53 // for each pixel
elab 0:89b87662e64b 54 for (int i=0 ; i < pbufsize; i++) {
elab 0:89b87662e64b 55 __set_pixel_component(i,0,value);
elab 0:89b87662e64b 56 }
elab 0:89b87662e64b 57 }
elab 0:89b87662e64b 58
elab 0:89b87662e64b 59
elab 0:89b87662e64b 60
elab 0:89b87662e64b 61
elab 0:89b87662e64b 62
elab 0:89b87662e64b 63 void PixelArray::Set(int i, unsigned int value)
elab 0:89b87662e64b 64 {
elab 0:89b87662e64b 65 if ((i >= 0) && (i < pbufsize)) {
elab 0:89b87662e64b 66 __set_pixel(i,value);
elab 0:89b87662e64b 67 }
elab 0:89b87662e64b 68 }
elab 0:89b87662e64b 69
elab 0:89b87662e64b 70
elab 0:89b87662e64b 71
elab 0:89b87662e64b 72 void PixelArray::SetI(int i, unsigned char value)
elab 0:89b87662e64b 73 {
elab 0:89b87662e64b 74 if ((i >= 0) && (i < pbufsize)) {
elab 0:89b87662e64b 75 __set_pixel_component(i,3,value);
elab 0:89b87662e64b 76 }
elab 0:89b87662e64b 77 }
elab 0:89b87662e64b 78
elab 0:89b87662e64b 79
elab 0:89b87662e64b 80 void PixelArray::SetR(int i, unsigned char value)
elab 0:89b87662e64b 81 {
elab 0:89b87662e64b 82 if ((i >= 0) && (i < pbufsize)) {
elab 0:89b87662e64b 83 __set_pixel_component(i,2,value);
elab 0:89b87662e64b 84 }
elab 0:89b87662e64b 85 }
elab 0:89b87662e64b 86
elab 0:89b87662e64b 87 void PixelArray::SetG(int i, unsigned char value)
elab 0:89b87662e64b 88 {
elab 0:89b87662e64b 89 if ((i >= 0) && (i < pbufsize)) {
elab 0:89b87662e64b 90 __set_pixel_component(i,1,value);
elab 0:89b87662e64b 91 }
elab 0:89b87662e64b 92 }
elab 0:89b87662e64b 93
elab 0:89b87662e64b 94 void PixelArray::SetB(int i, unsigned char value)
elab 0:89b87662e64b 95 {
elab 0:89b87662e64b 96 if ((i >= 0) && (i < pbufsize)) {
elab 0:89b87662e64b 97 __set_pixel_component(i,0,value);
elab 0:89b87662e64b 98 }
elab 0:89b87662e64b 99 }
elab 0:89b87662e64b 100
elab 0:89b87662e64b 101
elab 0:89b87662e64b 102 unsigned int PixelArray::Get(int i)
elab 0:89b87662e64b 103 {
elab 0:89b87662e64b 104 return __get_pixel(i);
elab 0:89b87662e64b 105 }
elab 0:89b87662e64b 106
elab 0:89b87662e64b 107 unsigned int PixelArray::GetI(int i)
elab 0:89b87662e64b 108 {
elab 0:89b87662e64b 109 return __get_pixel_component(i,3);
elab 0:89b87662e64b 110 }
elab 0:89b87662e64b 111
elab 0:89b87662e64b 112 unsigned int PixelArray::GetR(int i)
elab 0:89b87662e64b 113 {
elab 0:89b87662e64b 114 return __get_pixel_component(i,2);
elab 0:89b87662e64b 115 }
elab 0:89b87662e64b 116
elab 0:89b87662e64b 117 unsigned int PixelArray::GetG(int i)
elab 0:89b87662e64b 118 {
elab 0:89b87662e64b 119 return __get_pixel_component(i,1);
elab 0:89b87662e64b 120 }
elab 0:89b87662e64b 121
elab 0:89b87662e64b 122 unsigned int PixelArray::GetB(int i)
elab 0:89b87662e64b 123 {
elab 0:89b87662e64b 124 return __get_pixel_component(i,0);
elab 0:89b87662e64b 125 }
elab 0:89b87662e64b 126
elab 0:89b87662e64b 127
elab 0:89b87662e64b 128
elab 0:89b87662e64b 129 int* PixelArray::getBuf()
elab 0:89b87662e64b 130 {
elab 0:89b87662e64b 131 return (pbuf);
elab 0:89b87662e64b 132 }
elab 0:89b87662e64b 133
elab 0:89b87662e64b 134
elab 0:89b87662e64b 135 // set either the I,R,G,B value of specific pixel channel
elab 0:89b87662e64b 136 void PixelArray::__set_pixel_component(int index, int channel, int value)
elab 0:89b87662e64b 137 {
elab 0:89b87662e64b 138
elab 0:89b87662e64b 139 // AND with 0x00 shifted to the right location to clear the bits
elab 0:89b87662e64b 140 pbuf[index] &= ~(0xFF << (8 * channel));
elab 0:89b87662e64b 141
elab 0:89b87662e64b 142 // Set the bits with an OR
elab 0:89b87662e64b 143 pbuf[index] |= (value << (8 * channel));
elab 0:89b87662e64b 144 }
elab 0:89b87662e64b 145
elab 0:89b87662e64b 146
elab 0:89b87662e64b 147 // set either the I,R,G,B value of specific pixel channel
elab 0:89b87662e64b 148 void PixelArray::__set_pixel(int index, int value)
elab 0:89b87662e64b 149 {
elab 0:89b87662e64b 150 // AND with 0x00 shifted to the right location to clear the bits
elab 0:89b87662e64b 151 pbuf[index] = value;
elab 0:89b87662e64b 152 }
elab 0:89b87662e64b 153
elab 0:89b87662e64b 154
elab 0:89b87662e64b 155 // get specific pixel
elab 0:89b87662e64b 156 int PixelArray::__get_pixel(int index)
elab 0:89b87662e64b 157 {
elab 0:89b87662e64b 158 if ((index >= 0) && (index < pbufsize)) {
elab 0:89b87662e64b 159 return pbuf[index];
elab 0:89b87662e64b 160 } else {
elab 0:89b87662e64b 161 return 0;
elab 0:89b87662e64b 162 }
elab 0:89b87662e64b 163 }
elab 0:89b87662e64b 164
elab 0:89b87662e64b 165
elab 0:89b87662e64b 166 // get specific pixel
elab 0:89b87662e64b 167 int PixelArray::__get_pixel_component(int index, int channel)
elab 0:89b87662e64b 168 {
elab 0:89b87662e64b 169 // AND with 0xFF shifted to the right location to get the bits
elab 0:89b87662e64b 170 return ( (__get_pixel(index) & (0xFF << (8 * channel))) >> (8*channel) );
elab 0:89b87662e64b 171 }
elab 0:89b87662e64b 172
elab 0:89b87662e64b 173