btclock_v2/src/tasks/epd.cpp

266 lines
8.3 KiB
C++

#include "epd.hpp"
#ifdef IS_S3
Native_Pin EPD_CS[NUM_SCREENS] = {
Native_Pin(2), Native_Pin(4), Native_Pin(6), Native_Pin(10), Native_Pin(33), Native_Pin(21), Native_Pin(17),
#if NUM_SCREENS == 9
Native_Pin(-1),
Native_Pin(-1),
#endif
};
Native_Pin EPD_BUSY[NUM_SCREENS] = {
Native_Pin(3), Native_Pin(5), Native_Pin(7), Native_Pin(9), Native_Pin(37), Native_Pin(18), Native_Pin(16),
#if NUM_SCREENS == 9
Native_Pin(-1),
Native_Pin(-1),
#endif
};
MCP23X17_Pin EPD_RESET_MPD[NUM_SCREENS] = {
MCP23X17_Pin(mcp, 8), MCP23X17_Pin(mcp, 9), MCP23X17_Pin(mcp, 10), MCP23X17_Pin(mcp, 11), MCP23X17_Pin(mcp, 12), MCP23X17_Pin(mcp, 13), MCP23X17_Pin(mcp, 14),
#if NUM_SCREENS == 9
MCP23X17_Pin(mcp, 15),
MCP23X17_Pin(mcp, 16)
#endif
};
Native_Pin EPD_DC = Native_Pin(14);
GxEPD2_BW<GxEPD2_213_B74, GxEPD2_213_B74::HEIGHT> displays[NUM_SCREENS] = {
GxEPD2_213_B74(&EPD_CS[0], &EPD_DC, &EPD_RESET_MPD[0], &EPD_BUSY[0]),
GxEPD2_213_B74(&EPD_CS[1], &EPD_DC, &EPD_RESET_MPD[1], &EPD_BUSY[1]),
GxEPD2_213_B74(&EPD_CS[2], &EPD_DC, &EPD_RESET_MPD[2], &EPD_BUSY[2]),
GxEPD2_213_B74(&EPD_CS[3], &EPD_DC, &EPD_RESET_MPD[3], &EPD_BUSY[3]),
GxEPD2_213_B74(&EPD_CS[4], &EPD_DC, &EPD_RESET_MPD[4], &EPD_BUSY[4]),
GxEPD2_213_B74(&EPD_CS[5], &EPD_DC, &EPD_RESET_MPD[5], &EPD_BUSY[5]),
GxEPD2_213_B74(&EPD_CS[6], &EPD_DC, &EPD_RESET_MPD[6], &EPD_BUSY[6]),
#if NUM_SCREENS == 9
GxEPD2_213_B74(&EPD_CS[7], &EPD_DC, &EPD_RESET_MPD[7], &EPD_BUSY[7]),
GxEPD2_213_B74(&EPD_CS[8], &EPD_DC, &EPD_RESET_MPD[8], &EPD_BUSY[8]),
#endif
};
const int SEM_WAIT_TIME = 10000;
#endif
uint32_t lastFullRefresh[NUM_SCREENS];
std::array<String, NUM_SCREENS> currentEpdContent;
std::array<String, NUM_SCREENS> epdContent;
TaskHandle_t tasks[NUM_SCREENS];
SemaphoreHandle_t epdUpdateSemaphore[NUM_SCREENS];
void setupDisplays()
{
handleScreenTasks(getCurrentScreen());
xTaskCreate(taskEpd, "epd_task", 2048, NULL, 1, NULL);
}
void initDisplays()
{
for (uint i = 0; i < NUM_SCREENS; i++)
{
displays[i].init();
}
for (uint i = 0; i < NUM_SCREENS; i++)
{
epdUpdateSemaphore[i] = xSemaphoreCreateBinary();
xSemaphoreGive(epdUpdateSemaphore[i]);
// Allocate memory for the task parameter
int *taskParam = new int;
*taskParam = i;
xTaskCreate(updateDisplay, "EpdUpd" + char(i), 4096, taskParam, 1, &tasks[i]); // create task
// delay(1000);
}
epdContent = {"B", "T", "C", "L", "O", "C", "K"};
for (uint i = 0; i < NUM_SCREENS; i++)
{
xTaskNotifyGive(tasks[i]);
}
vTaskDelay(pdMS_TO_TICKS(displays[0].epd2.full_refresh_time));
}
void taskEpd(void *pvParameters)
{
while (1)
{
switch (getCurrentScreen())
{
case SCREEN_BLOCK_HEIGHT:
epdContent = BlockHeightScreen::getEpdContent();
break;
case SCREEN_BTC_TICKER:
epdContent = TickerScreen::getEpdContent();
break;
case SCREEN_MSCW_TIME:
epdContent = TickerScreen::getEpdContentSats();
break;
case SCREEN_TIME:
epdContent = TimeScreen::getEpdContent();
break;
case SCREEN_HALVING_COUNTDOWN:
epdContent = HalvingCountdownScreen::getEpdContent();
break;
case SCREEN_COUNTDOWN:
epdContent = CountdownScreen::getEpdContent();
break;
case SCREEN_CUSTOM:
epdContent = CustomTextScreen::getEpdContent();
break;
}
bool updatedThisCycle = false;
for (uint i = 0; i < NUM_SCREENS; i++)
{
if (epdContent[i].compareTo(currentEpdContent[i]) != 0)
{
if (!updatedThisCycle)
{
updatedThisCycle = true;
}
#ifndef NO_DISPLAY
if (xSemaphoreTake(epdUpdateSemaphore[i], pdMS_TO_TICKS(SEM_WAIT_TIME)) == pdTRUE)
{
xTaskNotifyGive(tasks[i]);
}
else
{
Serial.println("Couldnt get screen" + String(i));
}
#else
currentEpdContent[i] = epdContent[i];
#endif
}
}
#ifdef WITH_RGB_LED
if (updatedThisCycle && preferences.getBool("ledFlashOnUpd", false))
{
xTaskNotifyGive(ledHandlerTaskHandle);
}
#endif
vTaskDelay(pdMS_TO_TICKS(1000));
}
}
std::array<String, NUM_SCREENS> getCurrentEpdContent()
{
return currentEpdContent;
}
void setEpdContent(std::array<String, NUM_SCREENS> newEpdContent)
{
epdContent = newEpdContent;
}
void splitText(const uint dispNum, String top, String bottom, bool partial)
{
displays[dispNum].setRotation(2);
displays[dispNum].setFont(&FONT_SMALL);
displays[dispNum].setTextColor(getFgColor());
// Top text
int16_t ttbx, ttby;
uint16_t ttbw, ttbh;
displays[dispNum].getTextBounds(top, 0, 0, &ttbx, &ttby, &ttbw, &ttbh);
uint16_t tx = ((displays[dispNum].width() - ttbw) / 2) - ttbx;
uint16_t ty = ((displays[dispNum].height() - ttbh) / 2) - ttby - ttbh / 2 - 12;
// Bottom text
int16_t tbbx, tbby;
uint16_t tbbw, tbbh;
displays[dispNum].getTextBounds(bottom, 0, 0, &tbbx, &tbby, &tbbw, &tbbh);
uint16_t bx = ((displays[dispNum].width() - tbbw) / 2) - tbbx;
uint16_t by = ((displays[dispNum].height() - tbbh) / 2) - tbby + tbbh / 2 + 12;
// Make separator as wide as the shortest text.
uint16_t lineWidth, lineX;
if (tbbw < ttbh)
lineWidth = tbbw;
else
lineWidth = ttbw;
lineX = round((displays[dispNum].width() - lineWidth) / 2);
displays[dispNum].fillScreen(getBgColor());
displays[dispNum].setCursor(tx, ty);
displays[dispNum].print(top);
displays[dispNum].fillRoundRect(lineX, displays[dispNum].height() / 2 - 3, lineWidth, 6, 3, getFgColor());
displays[dispNum].setCursor(bx, by);
displays[dispNum].print(bottom);
}
void showDigit(const uint dispNum, char chr, bool partial, const GFXfont *font)
{
String str(chr);
displays[dispNum].setRotation(2);
displays[dispNum].setFont(font);
displays[dispNum].setTextColor(getFgColor());
int16_t tbx, tby;
uint16_t tbw, tbh;
displays[dispNum].getTextBounds(str, 0, 0, &tbx, &tby, &tbw, &tbh);
// center the bounding box by transposition of the origin:
uint16_t x = ((displays[dispNum].width() - tbw) / 2) - tbx;
uint16_t y = ((displays[dispNum].height() - tbh) / 2) - tby;
displays[dispNum].fillScreen(getBgColor());
displays[dispNum].setCursor(x, y);
displays[dispNum].print(str);
}
void fullRefresh(void *pvParameters)
{
for (uint i = 0; i < NUM_SCREENS; i++)
{
lastFullRefresh[i] = NULL;
}
vTaskDelete(NULL);
}
void updateDisplay(void *pvParameters)
{
const int epdIndex = *(int *)pvParameters;
delete (int *)pvParameters;
for (;;)
{
// Wait for the task notification
ulTaskNotifyTake(pdTRUE, portMAX_DELAY);
if (epdContent[epdIndex].compareTo(currentEpdContent[epdIndex]) != 0)
{
currentEpdContent[epdIndex] = epdContent[epdIndex];
displays[epdIndex].init(0, false, 20); // Little longer reset duration because of MCP
bool updatePartial = true;
// Full Refresh every half hour
if (!lastFullRefresh[epdIndex] || (millis() - lastFullRefresh[epdIndex]) > (preferences.getUInt("fullRefreshMin", 30) * 60 * 1000))
{
updatePartial = false;
lastFullRefresh[epdIndex] = millis();
}
#ifndef NO_DISPLAY
if (strstr(epdContent[epdIndex].c_str(), "/") != NULL)
{
String top = epdContent[epdIndex].substring(0, epdContent[epdIndex].indexOf("/"));
String bottom = epdContent[epdIndex].substring(epdContent[epdIndex].indexOf("/") + 1);
splitText(epdIndex, top, bottom, updatePartial);
}
else
{
showDigit(epdIndex, epdContent[epdIndex].c_str()[0], updatePartial, &FONT_BIG);
}
displays[epdIndex].display(updatePartial);
displays[epdIndex].hibernate();
#endif
}
xSemaphoreGive(epdUpdateSemaphore[epdIndex]);
}
}