Added led matrix

This commit is contained in:
Matthias Mitscherlich
2023-01-17 16:30:14 +01:00
parent 58b63fb7a2
commit 027dd38eb9
4 changed files with 328 additions and 23 deletions
+1
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@@ -8,6 +8,7 @@ idf_component_register(
"src/wifi.cpp"
"src/logger.cpp"
"src/led_strip_encoder.c"
"src/ledmatrix.cpp"
INCLUDE_DIRS # optional, add here public include directories
"inc"
PRIV_INCLUDE_DIRS # optional, add here private include directories
+122
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@@ -0,0 +1,122 @@
// --------------------------------------------------------------------------------------------------------------------
/// \file ledmatrix.h
/// \brief File description
// --------------------------------------------------------------------------------------------------------------------
//
// vbchaos software design
//
// --------------------------------------------------------------------------------------------------------------------
/// $Revision: $
/// $Author: $
/// $Date: $
// (c) 2023 vbchaos
// --------------------------------------------------------------------------------------------------------------------
#ifndef MAIN_INC_LEDMATRIX_H_
#define MAIN_INC_LEDMATRIX_H_
/**
* ledmatrix implementation
* \defgroup ledmatrix
* \brief {group_description}
* \addtogroup {Layer}
*
* Detailed description
* @{
*/
// --------------------------------------------------------------------------------------------------------------------
// Include files
// --------------------------------------------------------------------------------------------------------------------
// CompilerIncludes
// All include files that are provided by the compiler directly
#include <stdint.h>
// ProjectIncludes
// All include files that are provided by the project
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
#include "freertos/semphr.h"
#include "driver/rmt_tx.h"
// --------------------------------------------------------------------------------------------------------------------
// Constant and macro definitions
// --------------------------------------------------------------------------------------------------------------------
// --------------------------------------------------------------------------------------------------------------------
// Type definitions.
// --------------------------------------------------------------------------------------------------------------------
typedef enum
{
LEDMATRIX_ORIENTATION_ROW_LEFT_RIGHT,
LEDMATRIX_ORIENTATION_ROW_RIGHT_LEFT
} LEDMatrix_Orientation_Row_t;
typedef enum
{
LEDMATRIX_ORIENTATION_COLUM_UP_DOWN,
LEDMATRIX_ORIENTATION_COLUM_DOWN_UP
} LEDMatrix_Orientation_Colum_t;
typedef enum
{
LEDMATRIX_ORIENTATION_ROW,
LEDMATRIX_ORIENTATION_COLUM
}LEDMatrix_Orientation_t;
typedef struct
{
LEDMatrix_Orientation_Row_t rowOrientation;
LEDMatrix_Orientation_Colum_t columOrientation;
LEDMatrix_Orientation_t matrixOrientation;
unsigned int width;
unsigned int height;
// RMT objects for transmission
rmt_channel_handle_t* rmtChannel;
rmt_encoder_handle_t* rmtEncoder;
rmt_transmit_config_t* rmtConfig;
} LEDMatrix_Parameters_t;
typedef struct
{
bool on;
uint8_t red;
uint8_t green;
uint8_t blue;
} LEDMatrix_Pixel_t;
// --------------------------------------------------------------------------------------------------------------------
// Function declarations
// --------------------------------------------------------------------------------------------------------------------
class LEDMatrix
{
public:
LEDMatrix(LEDMatrix_Parameters_t* parameters);
void setPixelValue(unsigned int row, unsigned int colum, bool value);
private:
LEDMatrix_Parameters_t parameters;
LEDMatrix_Pixel_t* matrix;
uint8_t* tx_matrix;
unsigned int numberOfPixels;
static TaskHandle_t matrixTaskHandle;
static SemaphoreHandle_t taskSemaphore;
static void matrixTask(void* parameters);
};
/** @} */
#endif /* MAIN_INC_LEDMATRIX_H_ */
+45 -23
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@@ -15,6 +15,7 @@
#include "inc/gpio.h"
#include "inc/led_strip_encoder.h"
#include "inc/ledmatrix.h"
#include "inc/logger.h"
#include "inc/wifi.h"
@@ -25,6 +26,10 @@ static GPIO gpio0(4, GPIO_DIRECTION_OUTPUT);
static GPIO gpio1(18, GPIO_DIRECTION_OUTPUT);
static time_t currentTime;
static rmt_channel_handle_t led_chan = NULL;
static rmt_transmit_config_t tx_config;
static rmt_encoder_handle_t led_encoder = NULL;
#define RMT_LED_STRIP_RESOLUTION_HZ 10000000 // 10MHz resolution, 1 tick = 0.1us (led strip needs a high resolution)
#define RMT_LED_STRIP_GPIO_NUM 8
@@ -62,14 +67,13 @@ extern "C" void app_main(void)
//
Logger logger(10, uartPort);
LOGGER_DEBUG("YEAHAAA");
LOGGER_DEBUG("Let's start the WORDCLOCK");
//--------------------------------------------
// RMT Channel
//
LOGGER_INFO("Create RMT TX channel");
rmt_channel_handle_t led_chan = NULL;
rmt_tx_channel_config_t tx_chan_config;
memset(&tx_chan_config, 0, sizeof(tx_chan_config));
@@ -82,7 +86,6 @@ extern "C" void app_main(void)
ESP_ERROR_CHECK(rmt_new_tx_channel(&tx_chan_config, &led_chan));
LOGGER_INFO("Install led strip encoder");
rmt_encoder_handle_t led_encoder = NULL;
led_strip_encoder_config_t encoder_config;
memset(&encoder_config, 0, sizeof(encoder_config));
encoder_config.resolution = RMT_LED_STRIP_RESOLUTION_HZ;
@@ -92,13 +95,23 @@ extern "C" void app_main(void)
LOGGER_INFO("Enable RMT TX channel");
ESP_ERROR_CHECK(rmt_enable(led_chan));
rmt_transmit_config_t tx_config;
memset(&tx_config, 0, sizeof(tx_config));
tx_config.loop_count = 0;
//--------------------------------------------
// LED Matrix
//
LEDMatrix_Parameters_t ledmatrix_parameters;
ledmatrix_parameters.columOrientation = LEDMATRIX_ORIENTATION_COLUM_DOWN_UP;
ledmatrix_parameters.height = 10;
ledmatrix_parameters.matrixOrientation = LEDMATRIX_ORIENTATION_COLUM;
ledmatrix_parameters.rmtChannel = &led_chan;
ledmatrix_parameters.rmtConfig = &tx_config;
ledmatrix_parameters.rmtEncoder = &led_encoder;
ledmatrix_parameters.rowOrientation = LEDMATRIX_ORIENTATION_ROW_LEFT_RIGHT;
ledmatrix_parameters.width = 11;
LEDMatrix LEDMatrix(&ledmatrix_parameters);
// Create the development task
@@ -118,33 +131,42 @@ extern "C" void app_main(void)
sntp_init();
uint8_t led_strip_pixels[111 * 3];
int counter = 0;
unsigned int row = 0;
unsigned int colum = 0;
while (true)
{
struct tm tm;
time(&currentTime);
localtime_r(&currentTime, &tm);
// struct tm tm;
// time(&currentTime);
// localtime_r(&currentTime, &tm);
//
// LOGGER_INFO("%lld\n\r", currentTime);
// LOGGER_INFO("%02i:%02i:%02i\n\r", tm.tm_hour, tm.tm_min, tm.tm_sec);
//
// vTaskDelay(300);
LOGGER_INFO("%lld\n\r", currentTime);
LOGGER_INFO("%i:%i:%i\n\r", tm.tm_hour, tm.tm_min, tm.tm_sec);
memset(&led_strip_pixels, 0, sizeof(led_strip_pixels));
led_strip_pixels[counter * 3 + 0] = 0x3F;
led_strip_pixels[counter * 3 + 1] = 0x3F;
led_strip_pixels[counter * 3 + 2] = 0x3F;
if (counter < 111)
LOGGER_DEBUG("Enable pixel (%i:%i)", row, colum);
LEDMatrix.setPixelValue(row, colum, true);
vTaskDelay(100);
LEDMatrix.setPixelValue(row, colum, false);
if (row<10)
{
counter++;
row++;
}
else
{
counter = 0;
row = 0;
if(colum < 2)
{
colum++;
}
else
{
colum = 0;
}
}
rmt_transmit(led_chan, led_encoder, led_strip_pixels, sizeof(led_strip_pixels), &tx_config);
vTaskDelay(5);
}
}
+160
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@@ -0,0 +1,160 @@
// --------------------------------------------------------------------------------------------------------------------
/// \file ledmatrix.cpp
/// \brief Description
// --------------------------------------------------------------------------------------------------------------------
//
// vbchaos software design
//
// --------------------------------------------------------------------------------------------------------------------
/// $Revision: $
/// $Author: $
/// $Date: $
// (c) 2023 vbchaos
// --------------------------------------------------------------------------------------------------------------------
// --------------------------------------------------------------------------------------------------------------------
// Include files
// --------------------------------------------------------------------------------------------------------------------
#include "ledmatrix.h"
#include "logger.h"
#include "string.h"
// --------------------------------------------------------------------------------------------------------------------
// Constant and macro definitions
// --------------------------------------------------------------------------------------------------------------------
// --------------------------------------------------------------------------------------------------------------------
// Type definitions
// --------------------------------------------------------------------------------------------------------------------
// --------------------------------------------------------------------------------------------------------------------
// File-scope variables
// --------------------------------------------------------------------------------------------------------------------
// --------------------------------------------------------------------------------------------------------------------
// Function declarations
// --------------------------------------------------------------------------------------------------------------------
// --------------------------------------------------------------------------------------------------------------------
// Function definitions
// --------------------------------------------------------------------------------------------------------------------
SemaphoreHandle_t LEDMatrix::taskSemaphore = 0;
TaskHandle_t LEDMatrix::matrixTaskHandle = NULL;
LEDMatrix::LEDMatrix(LEDMatrix_Parameters_t* parameters)
{
// Take the parameters
LEDMatrix::parameters = *parameters;
// Calculate the total number of pixels
LEDMatrix::numberOfPixels = parameters->width * parameters->height;
// Create the matrix storage
matrix = new LEDMatrix_Pixel_t[parameters->width * parameters->height];
// Create the second matrix, that is actually transmitted to the periphery
// Reset the matrix to all 0 (all LEDs off)
// memset(&matrix, 0, sizeof(matrix));
// Create the task Semaphore
vSemaphoreCreateBinary(LEDMatrix::taskSemaphore);
// Create the matrix task
xTaskCreate(matrixTask, (const char*)"matrixTask", 4096, this, 3, &LEDMatrix::matrixTaskHandle);
for (int i = 0; i < numberOfPixels; i++)
{
matrix[i].on = false;
matrix[i].green = 0x1F;
}
LOGGER_DEBUG("---- %i -----", matrix[0].green);
}
void LEDMatrix::setPixelValue(unsigned int row, unsigned int colum, bool value)
{
unsigned int rowC = 0;
unsigned int colC = 0;
unsigned int pixelAddress = 0;
// Determine the actual row coordinate based on the matrix orientation
if (parameters.columOrientation == LEDMATRIX_ORIENTATION_COLUM_UP_DOWN)
{
rowC = row;
}
else if (parameters.columOrientation == LEDMATRIX_ORIENTATION_COLUM_DOWN_UP)
{
rowC = parameters.height - row;
}
// Determine the actual row coordinate based on the matrix orientation
if (parameters.rowOrientation == LEDMATRIX_ORIENTATION_ROW_LEFT_RIGHT)
{
colC = colum;
}
else if (parameters.rowOrientation == LEDMATRIX_ORIENTATION_ROW_RIGHT_LEFT)
{
colC = parameters.width - colum;
}
// Calculate the pixel address in the pixel array based on the previous information
if (parameters.matrixOrientation == LEDMATRIX_ORIENTATION_COLUM)
{
pixelAddress = (rowC - 1) * (colC + 1);
}
LOGGER_DEBUG("Calculated address: %i (%i:%i)", pixelAddress, rowC, colC);
// Update the pixel value
matrix[pixelAddress].on = value;
// Release the semaphore to trigger an matrix update
xSemaphoreGive(LEDMatrix::taskSemaphore);
}
void LEDMatrix::matrixTask(void* parameters)
{
LEDMatrix* ledmatrix = (LEDMatrix*)parameters;
uint8_t matrix[ledmatrix->numberOfPixels * 3];
memset(&matrix, 0, sizeof(matrix));
while(1)
{
xSemaphoreTake(ledmatrix->taskSemaphore, 1000);
for (int i = 0; i < ledmatrix->numberOfPixels; i++)
{
if (ledmatrix->matrix[i].on)
{
matrix[i * 3 + 0] = ledmatrix->matrix[i].red;
matrix[i * 3 + 1] = ledmatrix->matrix[i].green;
matrix[i * 3 + 2] = ledmatrix->matrix[i].blue;
}
else
{
matrix[i * 3 + 0] = 0;
matrix[i * 3 + 1] = 0;
matrix[i * 3 + 2] = 0;
}
}
LOGGER_DEBUG("HERE AGAIN");
// Re-draw the matrix every 10 seconds anyhow
rmt_transmit(*ledmatrix->parameters.rmtChannel, *ledmatrix->parameters.rmtEncoder, matrix, sizeof(matrix), ledmatrix->parameters.rmtConfig);
}
}