Matthias Mitscherlich
157 lines
4.4 KiB
C++
157 lines
4.4 KiB
C++
// --------------------------------------------------------------------------------------------------------------------
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/// \file ledmatrix.h
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/// \brief File description
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// --------------------------------------------------------------------------------------------------------------------
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//
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// vbchaos software design
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//
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// --------------------------------------------------------------------------------------------------------------------
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/// $Revision: $
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/// $Author: $
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/// $Date: $
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// (c) 2023 vbchaos
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// --------------------------------------------------------------------------------------------------------------------
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#ifndef MAIN_INC_LEDMATRIX_H_
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#define MAIN_INC_LEDMATRIX_H_
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/**
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* ledmatrix implementation
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* \defgroup ledmatrix
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* \brief {group_description}
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* \addtogroup {Layer}
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*
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* Detailed description
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* @{
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*/
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// --------------------------------------------------------------------------------------------------------------------
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// Include files
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// --------------------------------------------------------------------------------------------------------------------
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// CompilerIncludes
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// All include files that are provided by the compiler directly
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#include <stdint.h>
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// ProjectIncludes
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// All include files that are provided by the project
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#include "freertos/FreeRTOS.h"
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#include "freertos/task.h"
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#include "freertos/semphr.h"
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#include "driver/rmt_tx.h"
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// --------------------------------------------------------------------------------------------------------------------
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// Constant and macro definitions
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// --------------------------------------------------------------------------------------------------------------------
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#define LEDMATRIX_RED_INDEX ((uint32_t)1)
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#define LEDMATRIX_GREEN_INDEX ((uint32_t)0)
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#define LEDMATRIX_BLUE_INDEX ((uint32_t)2)
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// --------------------------------------------------------------------------------------------------------------------
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// Type definitions.
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// --------------------------------------------------------------------------------------------------------------------
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typedef enum
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{
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LEDMATRIX_ORIENTATION_ROW_LEFT_RIGHT,
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LEDMATRIX_ORIENTATION_ROW_RIGHT_LEFT
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} LEDMatrix_Orientation_Row_t;
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typedef enum
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{
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LEDMATRIX_ORIENTATION_COLUM_UP_DOWN,
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LEDMATRIX_ORIENTATION_COLUM_DOWN_UP
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} LEDMatrix_Orientation_Colum_t;
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typedef enum
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{
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LEDMATRIX_ORIENTATION_ROW,
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LEDMATRIX_ORIENTATION_COLUM
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}LEDMatrix_Orientation_t;
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typedef struct
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{
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LEDMatrix_Orientation_Row_t rowOrientation;
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LEDMatrix_Orientation_Colum_t columOrientation;
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LEDMatrix_Orientation_t matrixOrientation;
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unsigned int width;
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unsigned int height;
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// RMT objects for transmission
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rmt_channel_handle_t* rmtChannel;
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rmt_encoder_handle_t* rmtEncoder;
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rmt_transmit_config_t* rmtConfig;
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} LEDMatrix_Parameters_t;
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typedef struct
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{
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bool on;
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uint8_t red;
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uint8_t green;
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uint8_t blue;
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} LEDMatrix_Pixel_t;
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// --------------------------------------------------------------------------------------------------------------------
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// Function declarations
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// --------------------------------------------------------------------------------------------------------------------
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class LEDMatrix
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{
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public:
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struct coordinate
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{
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int x;
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int y;
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};
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LEDMatrix(LEDMatrix_Parameters_t* parameters);
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bool setPixelValue(unsigned int colum, unsigned int row, bool value);
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void setGlobalColour(uint8_t red, uint8_t green, uint8_t blue);
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void setPixelColour(unsigned int colum, unsigned int row, uint8_t red, uint8_t green, uint8_t blue);
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void clear(void);
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BaseType_t tick(void);
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protected:
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unsigned int findPixelIndexFromCoordinates(unsigned int colum, unsigned int row);
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private:
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LEDMatrix_Parameters_t parameters;
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LEDMatrix_Pixel_t* matrix;
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uint8_t* tx_matrix;
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unsigned int numberOfPixels;
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static bool initialized;
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static TaskHandle_t matrixTaskHandle;
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static SemaphoreHandle_t taskSemaphore;
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static void matrixTask(void* parameters);
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};
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inline BaseType_t LEDMatrix::tick(void)
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{
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BaseType_t xHigherPriorityTaskWoken = pdFALSE;
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if (LEDMatrix::initialized)
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{
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xSemaphoreGiveFromISR(LEDMatrix::taskSemaphore, &xHigherPriorityTaskWoken);
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}
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return xHigherPriorityTaskWoken;
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}
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/** @} */
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#endif /* MAIN_INC_LEDMATRIX_H_ */
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