Revision 0:fe962821e6a4, committed 2021-12-13

Comitter:

villemejane

Date:

Mon Dec 13 08:57:01 2021 +0000

Commit message:

PixelArray;

Changed in this revision

diff -r 000000000000 -r fe962821e6a4 PixelArray.cpp
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PixelArray.cpp	Mon Dec 13 08:57:01 2021 +0000
@@ -0,0 +1,127 @@
+#include "PixelArray.h"
+
+PixelArray::PixelArray(int size)
+{
+    pbufsize = size;
+    pbuf = new int[pbufsize];
+    SetAll(0x0); // initialise memory to zeros
+    
+}
+
+PixelArray::~PixelArray()
+{
+    delete[] pbuf;
+}
+
+void PixelArray::SetAll(unsigned int value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel(i,value);
+    }
+}
+
+
+void PixelArray::SetAllI(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel_component(i,3,value);
+    }
+}
+
+
+
+void PixelArray::SetAllR(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel_component(i,2,value);
+    }
+}
+
+void PixelArray::SetAllG(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel_component(i,1,value);
+    }
+}
+
+void PixelArray::SetAllB(unsigned char value)
+{
+    // for each pixel
+    for (int i=0 ; i < pbufsize; i++) {
+        __set_pixel_component(i,0,value);
+    }
+}
+
+
+
+
+
+void PixelArray::Set(int i, unsigned int value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel(i,value);
+    }
+}
+
+
+
+void PixelArray::SetI(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel_component(i,3,value);
+    }
+}
+
+
+void PixelArray::SetR(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel_component(i,2,value);
+    }
+}
+
+void PixelArray::SetG(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel_component(i,1,value);
+    }
+}
+
+void PixelArray::SetB(int i, unsigned char value)
+{
+    if ((i >= 0) && (i < pbufsize)) {
+        __set_pixel_component(i,0,value);
+    }
+}
+
+
+int* PixelArray::getBuf()
+{
+    return (pbuf);
+}
+
+
+// set either the I,R,G,B value of specific pixel channel
+void PixelArray::__set_pixel_component(int index, int channel, int value)
+{
+
+    // AND with 0x00 shifted to the right location to clear the bits
+    pbuf[index] &= ~(0xFF << (8 * channel));
+
+    // Set the bits with an OR
+    pbuf[index] |= (value << (8 * channel));
+}
+
+
+// set either the I,R,G,B value of specific pixel channel
+void PixelArray::__set_pixel(int index, int value)
+{
+    // AND with 0x00 shifted to the right location to clear the bits
+    pbuf[index] = value;
+}
+
+

diff -r 000000000000 -r fe962821e6a4 PixelArray.h
--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/PixelArray.h	Mon Dec 13 08:57:01 2021 +0000
@@ -0,0 +1,68 @@
+/* Copyright (c) 2012 cstyles, MIT License
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy of this software
+ * and associated documentation files (the "Software"), to deal in the Software without restriction,
+ * including without limitation the rights to use, copy, modify, merge, publish, distribute,
+ * sublicense, and/or sell copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in all copies or
+ * substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+ * BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
+ * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM,
+ * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#ifndef PixelArray_H
+#define PixelArray_H
+
+#include "mbed.h"
+
+//!Library for the WS2812 RGB LED with integrated controller
+/*!
+PixelArray
+*/
+class PixelArray
+{
+public:
+    //!Creates an instance of the class.
+    /*!
+    Pixel Array
+    */
+    PixelArray(int);
+
+    /*!
+    Destroys instance.
+    */
+    ~PixelArray();
+
+    int* getBuf();
+    
+    void SetAll(unsigned int);
+    void SetAllI(unsigned char);
+    void SetAllR(unsigned char);
+    void SetAllG(unsigned char);
+    void SetAllB(unsigned char);
+
+    // location, value
+    void Set(int, unsigned int);
+    void SetI(int, unsigned char);
+    void SetR(int, unsigned char);
+    void SetG(int, unsigned char);
+    void SetB(int, unsigned char);
+
+private:
+
+    int *pbuf;
+    int pbufsize;
+
+    void __set_pixel_component(int index, int channel, int value);
+    void __set_pixel(int index, int value);
+
+};
+
+#endif
+