355 lines
No EOL
10 KiB
C++
355 lines
No EOL
10 KiB
C++
#include "LedDisplayController.h"
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LedDisplayController *ledDisplayControllerGlobal = nullptr;
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LedDisplayController::LedDisplayController(Adafruit_NeoMatrix *matrix)
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{
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ledDisplayControllerGlobal = this;
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this->loadTextSets();
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this->matrix = matrix;
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this->matrix->begin();
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this->matrix->setTextWrap(false);
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this->matrix->setBrightness(40);
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text_curr_nr = 0;
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text_set_starttime = 0;
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text_pass = 0;
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textpixel = 0;
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disp_brightness = 5;
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disp_show = false;
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this->disp_init();
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// create updater task
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xTaskCreatePinnedToCore(updateDisplayGlobal, "DisplayUpdateTask", 10000, NULL, 1, &displayUpdateTask, 0);
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}
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// --------------------
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// - Public functions -
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// --------------------
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void LedDisplayController::loop()
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{
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if (this->disp_show)
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{
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disp_start_set();
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if (true == text_sets.sets[text_curr_nr].active)
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{
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if (text_sets.sets[text_curr_nr].text != '\0')
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{
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if (text_sets.sets[text_curr_nr].scroll)
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{
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disp_scroll_text();
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}
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}
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}
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}
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}
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String LedDisplayController::getTextSetParameter(int index, DisplayTextSetParameter parameter)
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{
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if (index < 0 || index > this->maximumTextSets || parameter < 0 || parameter >= DisplayTextSetParameterCount)
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return "";
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String value = "";
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this->getSetTextSetParameter(index, parameter, &value);
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return value;
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}
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LedDisplayController::GetSetTextSetParameterExitCode LedDisplayController::setTextSetParameter(int index, DisplayTextSetParameter parameter, String value)
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{
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return this->getSetTextSetParameter(index, parameter, &value, true);
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}
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int LedDisplayController::getBrightness()
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{
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return this->disp_brightness;
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}
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bool LedDisplayController::setBrightness(int brightness)
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{
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if (brightness < 0 || brightness > 10)
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return false;
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this->disp_brightness = brightness;
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return true;
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}
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// ------------------
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// - Matrix control -
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// ------------------
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void LedDisplayController::disp_init()
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{
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text_curr_nr = 0;
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text_set_starttime = 0;
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text_pass = 0;
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text_pos = this->matrix->width();
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disp_show = true;
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}
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void LedDisplayController::disp_start_set()
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{
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if ((0 == text_set_starttime) ||
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(text_sets.sets[text_curr_nr].text == '\0') ||
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text_sets.sets[text_curr_nr].active == false ||
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((text_sets.sets[text_curr_nr].scroll == false) && (text_sets.sets[text_curr_nr].runtime > 0) && ((millis() - text_set_starttime) >= text_sets.sets[text_curr_nr].runtime)) ||
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((text_sets.sets[text_curr_nr].scroll == true) && (text_sets.sets[text_curr_nr].scrollCount > 0) && (text_pass >= text_sets.sets[text_curr_nr].scrollCount)) ||
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(((text_sets.sets[text_curr_nr].scrollCount == 0) || text_sets.sets[text_curr_nr].scroll == false) && (text_sets.sets[text_curr_nr].runtime == 0) && ((millis() - text_set_starttime) >= 10000)))
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{
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//Serial.printf("[%lu] Meet start set condition. Curr set is %d. \n", millis(), text_curr_nr);
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if (0 < text_set_starttime || text_sets.sets[text_curr_nr].text == '\0' || text_sets.sets[text_curr_nr].active == false)
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text_curr_nr++;
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if (text_curr_nr == maximumTextSets)
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text_curr_nr = 0;
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text_pass = 0;
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if (text_sets.sets[text_curr_nr].text != '\0' && text_sets.sets[text_curr_nr].active == true)
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{
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//Serial.printf("[%lu] Set %d. Runtime %d. Text:'%s'\n", millis(), text_curr_nr, text_sets.sets[text_curr_nr].runtime, text_sets.sets[text_curr_nr].text);
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this->matrix->fillScreen(0);
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textpixel = 6 * strlen(text_sets.sets[text_curr_nr].text);
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switch (text_sets.sets[text_curr_nr].alignment)
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{
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case AlignLeft:
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text_pos = 0;
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break;
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case AlignRight:
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text_pos = this->matrix->width();
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break;
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case AlignCenter:
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text_pos = this->matrix->width() - textpixel;
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text_pos = text_pos / 2;
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break;
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}
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show_matrix(text_sets.sets[text_curr_nr].text, text_pos, text_sets.sets[text_curr_nr].color);
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text_set_starttime = millis();
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}
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}
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else
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{
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//Serial.printf("[%lu] Don't meet start set condition. Text is: %s. Active is: %d\n", millis(), text_sets.sets[text_curr_nr].text, text_sets.sets[text_curr_nr].active);
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}
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}
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void LedDisplayController::disp_scroll_text()
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{
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this->matrix->fillScreen(0);
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show_matrix(text_sets.sets[text_curr_nr].text, text_pos, text_sets.sets[text_curr_nr].color);
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(int)text_pos--;
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if (int(text_pos + textpixel) < 0)
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{
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text_pos = this->matrix->width();
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text_pass++;
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//Serial.printf("Pass[%d] - set nr %d, Text: '%s' \n", text_pass, text_curr_nr, text_sets.sets[text_curr_nr].text);
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}
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delay(100);
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}
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void LedDisplayController::show_matrix(const char *text, int pos, const char *color)
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{
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//Serial.printf("TEXT: %s (pos=%d, color=%d)\n", text, pos, this->colorFromHex(String(color)));
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this->matrix->setTextColor(this->colorFromHex(String(color)));
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this->matrix->setCursor(pos, 0);
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this->matrix->print(text);
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portDISABLE_INTERRUPTS();
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this->matrix->show();
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portENABLE_INTERRUPTS();
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}
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uint16_t LedDisplayController::colorFromHex(String hex)
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{
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hex.replace("#", "");
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long number = (long)strtol(&hex[0], NULL, 16);
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int r = number >> 16;
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int g = number >> 8 & 0xFF;
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int b = number & 0xFF;
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//Serial.println("Color is: " + hex + " rgb are: r: " + r + " b: " + b + " g: " + g);
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return this->matrix->Color(r, g, b);
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}
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// -------------------
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// - Storage control -
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// -------------------
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LedDisplayController::GetSetTextSetParameterExitCode LedDisplayController::getSetTextSetParameter(int index, DisplayTextSetParameter parameter, String *value, bool set)
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{
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if (parameter < 0 || parameter >= DisplayTextSetParameterCount)
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return InvalidParameterError;
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else if (index < 0 || index >= this->maximumTextSets)
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return IndexOutOfRangeError;
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else if (value == nullptr)
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return ValueIsNullptrError;
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else if (strcmp(this->text_sets.valid, "OK") != 0)
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return InternalError;
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text_set_t *currentTextSet = &this->text_sets.sets[index];
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String returnValue = "";
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switch (parameter)
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{
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case TextParameter:
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if (set)
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strncpy(currentTextSet->text, value->c_str(), sizeof(currentTextSet->text));
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else
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returnValue = String(currentTextSet->text);
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break;
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case ActiveParameter:
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if (set)
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currentTextSet->active = *value == "true";
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else
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returnValue = currentTextSet->active ? "true" : "false";
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break;
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case RuntimeParameter:
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if (set)
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currentTextSet->runtime = value->toInt();
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else
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returnValue = String(currentTextSet->runtime);
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break;
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case ColorParameter:
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if (set)
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strncpy(currentTextSet->color, value->c_str(), sizeof(currentTextSet->color));
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else
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returnValue = String(currentTextSet->color);
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break;
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case AlignmentParameter:
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if (set)
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{
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if (value->toInt() < 0 || value->toInt() > AlignRight)
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return ValueOutOfRangeError;
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currentTextSet->alignment = text_align_t(value->toInt());
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}
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else
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returnValue = String(currentTextSet->alignment);
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break;
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case ScrollParameter:
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if (set)
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currentTextSet->scroll = *value == "true";
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else
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returnValue = currentTextSet->scroll ? "true" : "false";
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break;
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case ScrollSpeedParameter:
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if (set)
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{
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if (value->toInt() < 0 || value->toInt() > 10)
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return ValueOutOfRangeError;
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currentTextSet->scrollSpeed = value->toInt();
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}
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else
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returnValue = String(currentTextSet->scrollSpeed);
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break;
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case ScrollCountParameter:
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if (set)
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{
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if (value->toInt() < 0)
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return ValueOutOfRangeError;
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currentTextSet->scrollCount = value->toInt();
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}
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else
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returnValue = String(currentTextSet->scrollCount);
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break;
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case IndexParameter:
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if (set)
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return ParameterNotWritableError;
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else
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returnValue = String(index);
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break;
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default:
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break;
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}
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if (set)
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{
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this->storeTextSets();
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return Success;
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}
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else
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{
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*value = returnValue;
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return Success;
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}
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}
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void LedDisplayController::storeTextSets()
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{
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// write conf to EEPROM
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EEPROM.begin(sizeof(sets_t));
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//for (size_t i = 0 ; i < DISP_STRUCT_SIZE ; i++)
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//{
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// EEPROM.write(i, 0);
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//}
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strncpy(text_sets.valid, "OK", sizeof(text_sets.valid));
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EEPROM.put(0, text_sets);
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EEPROM.commit();
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EEPROM.end();
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}
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bool LedDisplayController::loadTextSets()
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{
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bool rc = false;
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sets_t buf = {};
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// read conf from EEPROM
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EEPROM.begin(sizeof(sets_t));
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EEPROM.get(0, buf);
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EEPROM.end();
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if (strcmp(buf.valid, "OK") == 0)
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{
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rc = true;
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memcpy(&text_sets, &buf, sizeof(text_sets));
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}
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else
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{
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// There was an error reading the sets -> rebuild with default values!
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sets_t defaultTextSets;
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strncpy(defaultTextSets.valid, "OK", sizeof(defaultTextSets.valid));
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for (int i = 0; i < this->maximumTextSets; i++)
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{
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text_set_t defaultTextSet{
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"",
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false,
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0,
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"",
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AlignCenter,
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false,
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0,
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0};
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defaultTextSets.sets[i] = defaultTextSet;
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}
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this->text_sets = defaultTextSets;
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this->storeTextSets();
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}
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return rc;
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}
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// ----------
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// - Extern -
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// ----------
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void updateDisplayGlobal(void *)
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{
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for (;;)
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{
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esp_task_wdt_reset();
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delay(1);
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ledDisplayControllerGlobal->loop();
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}
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} |