forked from btclock/btclock_v3
267 lines
7.6 KiB
C++
267 lines
7.6 KiB
C++
#include "epd.hpp"
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Native_Pin EPD_CS[NUM_SCREENS] = {
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Native_Pin(2),
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Native_Pin(4),
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Native_Pin(6),
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Native_Pin(10),
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Native_Pin(33),
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Native_Pin(21),
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Native_Pin(17),
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#if NUM_SCREENS == 9
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// MCP23X17_Pin(mcp2, 7),
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Native_Pin(-1),
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Native_Pin(-1),
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#endif
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};
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Native_Pin EPD_BUSY[NUM_SCREENS] = {
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Native_Pin(3),
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Native_Pin(5),
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Native_Pin(7),
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Native_Pin(9),
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Native_Pin(37),
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Native_Pin(18),
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Native_Pin(16),
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};
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MCP23X17_Pin EPD_RESET_MPD[NUM_SCREENS] = {
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MCP23X17_Pin(mcp, 8),
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MCP23X17_Pin(mcp, 9),
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MCP23X17_Pin(mcp, 10),
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MCP23X17_Pin(mcp, 11),
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MCP23X17_Pin(mcp, 12),
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MCP23X17_Pin(mcp, 13),
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MCP23X17_Pin(mcp, 14),
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};
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Native_Pin EPD_DC = Native_Pin(14);
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GxEPD2_BW<GxEPD2_213_B74, GxEPD2_213_B74::HEIGHT> displays[NUM_SCREENS] = {
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GxEPD2_213_B74(&EPD_CS[0], &EPD_DC, &EPD_RESET_MPD[0], &EPD_BUSY[0]),
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GxEPD2_213_B74(&EPD_CS[1], &EPD_DC, &EPD_RESET_MPD[1], &EPD_BUSY[1]),
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GxEPD2_213_B74(&EPD_CS[2], &EPD_DC, &EPD_RESET_MPD[2], &EPD_BUSY[2]),
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GxEPD2_213_B74(&EPD_CS[3], &EPD_DC, &EPD_RESET_MPD[3], &EPD_BUSY[3]),
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GxEPD2_213_B74(&EPD_CS[4], &EPD_DC, &EPD_RESET_MPD[4], &EPD_BUSY[4]),
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GxEPD2_213_B74(&EPD_CS[5], &EPD_DC, &EPD_RESET_MPD[5], &EPD_BUSY[5]),
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GxEPD2_213_B74(&EPD_CS[6], &EPD_DC, &EPD_RESET_MPD[6], &EPD_BUSY[6]),
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#if NUM_SCREENS == 9
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GxEPD2_213_B74(&EPD8_CS, &EPD_DC, &EPD_RESET_MPD[7], &EPD8_BUSY),
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GxEPD2_213_B74(&EPD9_CS, &EPD_DC, &EPD_RESET_MPD[8], &EPD9_BUSY),
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#endif
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};
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std::array<String, NUM_SCREENS> currentEpdContent;
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std::array<String, NUM_SCREENS> epdContent;
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uint32_t lastFullRefresh[NUM_SCREENS];
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TaskHandle_t tasks[NUM_SCREENS];
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SemaphoreHandle_t epdUpdateSemaphore[NUM_SCREENS];
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int fgColor = GxEPD_WHITE;
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int bgColor = GxEPD_BLACK;
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#define FONT_SMALL Antonio_SemiBold20pt7b
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#define FONT_BIG Antonio_SemiBold90pt7b
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void setupDisplays()
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{
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for (uint i = 0; i < NUM_SCREENS; i++)
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{
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displays[i].init();
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}
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for (uint i = 0; i < NUM_SCREENS; i++)
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{
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epdUpdateSemaphore[i] = xSemaphoreCreateBinary();
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xSemaphoreGive(epdUpdateSemaphore[i]);
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int *taskParam = new int;
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*taskParam = i;
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xTaskCreate(updateDisplay, "EpdUpd" + char(i), 4096, taskParam, 1, &tasks[i]); // create task
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}
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epdContent = {"B",
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"T",
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"C",
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"L",
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"O",
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"C",
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"K"};
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for (uint i = 0; i < NUM_SCREENS; i++)
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{
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xTaskNotifyGive(tasks[i]);
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}
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xTaskCreate(taskEpd, "epd_task", 2048, NULL, 1, NULL);
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}
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void taskEpd(void *pvParameters)
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{
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while (1)
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{
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bool updatedThisCycle = false;
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for (uint i = 0; i < NUM_SCREENS; i++)
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{
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if (epdContent[i].compareTo(currentEpdContent[i]) != 0)
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{
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if (!updatedThisCycle)
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{
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updatedThisCycle = true;
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}
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if (xSemaphoreTake(epdUpdateSemaphore[i], pdMS_TO_TICKS(5000)) == pdTRUE)
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{
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xTaskNotifyGive(tasks[i]);
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}
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else
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{
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Serial.println("Couldnt get screen" + String(i));
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}
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}
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}
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#ifdef WITH_RGB_LED
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if (updatedThisCycle && preferences.getBool("ledFlashOnUpd", false))
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{
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xTaskNotifyGive(ledHandlerTaskHandle);
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}
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#endif
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vTaskDelay(pdMS_TO_TICKS(1000));
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}
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}
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void setEpdContent(std::array<String, NUM_SCREENS> newEpdContent)
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{
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epdContent = newEpdContent;
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}
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extern "C" void updateDisplay(void *pvParameters) noexcept
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{
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const int epdIndex = *(int *)pvParameters;
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delete (int *)pvParameters;
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for (;;)
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{
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// Wait for the task notification
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ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
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if (epdContent[epdIndex].compareTo(currentEpdContent[epdIndex]) != 0)
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{
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displays[epdIndex].init(0, false); // Little longer reset duration because of MCP
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bool updatePartial = true;
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// Full Refresh every half hour
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if (!lastFullRefresh[epdIndex] || (millis() - lastFullRefresh[epdIndex]) > (preferences.getUInt("fullRefreshMin", 30) * 60 * 1000))
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{
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updatePartial = false;
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lastFullRefresh[epdIndex] = millis();
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}
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if (strstr(epdContent[epdIndex].c_str(), "/") != NULL)
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{
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String top = epdContent[epdIndex].substring(0, epdContent[epdIndex].indexOf("/"));
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String bottom = epdContent[epdIndex].substring(epdContent[epdIndex].indexOf("/") + 1);
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splitText(epdIndex, top, bottom, updatePartial);
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}
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else
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{
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showDigit(epdIndex, epdContent[epdIndex].c_str()[0], updatePartial, &FONT_BIG);
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}
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#ifdef USE_UNIVERSAL_PIN
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char tries = 0;
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while (tries < 3)
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{
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if (displays[epdIndex].displayWithReturn(updatePartial))
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{
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displays[epdIndex].hibernate();
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currentEpdContent[epdIndex] = epdContent[epdIndex];
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break;
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}
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delay(100);
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tries++;
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}
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#else
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displays[epdIndex].display(updatePartial);
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displays[epdIndex].hibernate();
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currentEpdContent[epdIndex] = epdContent[epdIndex];
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#endif
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}
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xSemaphoreGive(epdUpdateSemaphore[epdIndex]);
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}
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}
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void splitText(const uint dispNum, String top, String bottom, bool partial)
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{
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displays[dispNum].setRotation(2);
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displays[dispNum].setFont(&FONT_SMALL);
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displays[dispNum].setTextColor(getFgColor());
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// Top text
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int16_t ttbx, ttby;
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uint16_t ttbw, ttbh;
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displays[dispNum].getTextBounds(top, 0, 0, &ttbx, &ttby, &ttbw, &ttbh);
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uint16_t tx = ((displays[dispNum].width() - ttbw) / 2) - ttbx;
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uint16_t ty = ((displays[dispNum].height() - ttbh) / 2) - ttby - ttbh / 2 - 12;
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// Bottom text
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int16_t tbbx, tbby;
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uint16_t tbbw, tbbh;
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displays[dispNum].getTextBounds(bottom, 0, 0, &tbbx, &tbby, &tbbw, &tbbh);
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uint16_t bx = ((displays[dispNum].width() - tbbw) / 2) - tbbx;
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uint16_t by = ((displays[dispNum].height() - tbbh) / 2) - tbby + tbbh / 2 + 12;
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// Make separator as wide as the shortest text.
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uint16_t lineWidth, lineX;
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if (tbbw < ttbh)
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lineWidth = tbbw;
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else
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lineWidth = ttbw;
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lineX = round((displays[dispNum].width() - lineWidth) / 2);
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displays[dispNum].fillScreen(getBgColor());
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displays[dispNum].setCursor(tx, ty);
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displays[dispNum].print(top);
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displays[dispNum].fillRoundRect(lineX, displays[dispNum].height() / 2 - 3, lineWidth, 6, 3, getFgColor());
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displays[dispNum].setCursor(bx, by);
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displays[dispNum].print(bottom);
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}
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void showDigit(const uint dispNum, char chr, bool partial, const GFXfont *font)
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{
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String str(chr);
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displays[dispNum].setRotation(2);
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displays[dispNum].setFont(font);
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displays[dispNum].setTextColor(getFgColor());
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int16_t tbx, tby;
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uint16_t tbw, tbh;
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displays[dispNum].getTextBounds(str, 0, 0, &tbx, &tby, &tbw, &tbh);
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// center the bounding box by transposition of the origin:
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uint16_t x = ((displays[dispNum].width() - tbw) / 2) - tbx;
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uint16_t y = ((displays[dispNum].height() - tbh) / 2) - tby;
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displays[dispNum].fillScreen(getBgColor());
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displays[dispNum].setCursor(x, y);
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displays[dispNum].print(str);
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}
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int getBgColor()
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{
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return bgColor;
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}
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int getFgColor()
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{
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return fgColor;
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}
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void setBgColor(int color)
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{
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bgColor = color;
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}
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void setFgColor(int color)
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{
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fgColor = color;
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}
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