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Small improvements for epd

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This commit is contained in:
Djuri Baars 2024-12-21 00:50:57 +01:00
parent 753838b122
commit 03dbb8add6
1 changed files with 40 additions and 101 deletions
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117
src/lib/epd.cpp
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@ -138,6 +138,9 @@ uint8_t qrcode[800];
#define EPD_TASK_STACK_SIZE 2048
#endif
#define BUSY_TIMEOUT_COUNT 200
#define BUSY_RETRY_DELAY pdMS_TO_TICKS(10)
void forceFullRefresh()
{
for (uint i = 0; i < NUM_SCREENS; i++)
@ -417,89 +420,36 @@ void splitText(const uint dispNum, const String &top, const String &bottom,
displays[dispNum].print(bottom);
}
// void showChars(const uint dispNum, const String &chars, bool partial,
// const GFXfont *font)
// {
// displays[dispNum].setRotation(2);
// displays[dispNum].setFont(font);
// displays[dispNum].setTextColor(getFgColor());
// int16_t tbx, tby;
// uint16_t tbw, tbh;
// displays[dispNum].getTextBounds(chars, 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(chars);
// // displays[dispNum].setCursor(10, 3);
// // displays[dispNum].setFont(&FONT_SMALL);
// // displays[dispNum].setTextColor(getFgColor());
// // displays[dispNum].println("Y = " + y);
// }
void showDigit(const uint dispNum, char chr, bool partial,
const GFXfont *font)
{
String str(chr);
if (chr == '.')
{
str = "!";
}
// Consolidate common display setup code into a helper function
void setupDisplay(const uint dispNum, const GFXfont *font) {
displays[dispNum].setRotation(2);
displays[dispNum].setFont(font);
displays[dispNum].setTextColor(getFgColor());
displays[dispNum].fillScreen(getBgColor());
}
void showDigit(const uint dispNum, char chr, bool partial, const GFXfont *font) {
String str(chr);
if (chr == '.') {
str = "!";
}
setupDisplay(dispNum, font);
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;
// if (str.equals("."))
// {
// // int16_t yAdvance = font->yAdvance;
// // uint8_t charIndex = 46 - font->first;
// // GFXglyph *glyph = (&font->glyph)[charIndex];
// int16_t tbx2, tby2;
// uint16_t tbw2, tbh2;
// displays[dispNum].getTextBounds(".!", 0, 0, &tbx2, &tby2, &tbw2, &tbh2);
// y = ((displays[dispNum].height() - tbh2) / 2) - tby2;
// // Serial.print("yAdvance");
// // Serial.println(yAdvance);
// // if (glyph != nullptr) {
// // Serial.print("height");
// // Serial.println(glyph->height);
// // Serial.print("yOffset");
// // Serial.println(glyph->yOffset);
// // }
// // y = 250-99+18+19;
// }
displays[dispNum].fillScreen(getBgColor());
displays[dispNum].setCursor(x, y);
displays[dispNum].print(str);
if (chr == '.')
{
displays[dispNum].fillRect(x, y, displays[dispNum].width(), round(displays[dispNum].height() * 0.9), getBgColor());
if (chr == '.') {
displays[dispNum].fillRect(x, y, displays[dispNum].width(),
round(displays[dispNum].height() * 0.9), getBgColor());
}
// displays[dispNum].setCursor(10, 3);
// displays[dispNum].setFont(&FONT_SMALL);
// displays[dispNum].setTextColor(getFgColor());
// displays[dispNum].println("Y = " + y);
}
int16_t calculateDescent(const GFXfont *font) {
@ -517,21 +467,16 @@ int16_t calculateDescent(const GFXfont *font) {
void showChars(const uint dispNum, const String &chars, bool partial,
const GFXfont *font)
{
displays[dispNum].setRotation(2);
displays[dispNum].setFont(font);
displays[dispNum].setTextColor(getFgColor());
setupDisplay(dispNum, font);
int16_t tbx, tby;
uint16_t tbw, tbh;
displays[dispNum].getTextBounds(chars, 0, 0, &tbx, &tby, &tbw, &tbh);
int16_t descent = calculateDescent(font);
// 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(chars);
for (int i = 0; i < chars.length(); i++) {
char c = chars[i];
@ -649,9 +594,6 @@ bool renderIcon(const uint dispNum, const String &text, bool partial)
}
void renderQr(const uint dispNum, const String &text, bool partial)
{
#ifdef USE_QR
@ -695,15 +637,12 @@ void waitUntilNoneBusy()
while (EPD_BUSY[i].digitalRead())
{
count++;
vTaskDelay(10);
if (count == 200)
{
// displays[i].init(0, false);
vTaskDelay(100);
}
else if (count > 205)
{
Serial.printf("Busy timeout %d", i);
vTaskDelay(BUSY_RETRY_DELAY);
if (count == BUSY_TIMEOUT_COUNT) {
vTaskDelay(pdMS_TO_TICKS(100));
} else if (count > BUSY_TIMEOUT_COUNT + 5) {
log_e("Display %d busy timeout", i);
break;
}
}