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Randomly load Sleep Screen from /sleep/*bmp (if exists).

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This commit is contained in:
Jonas Diemer 2025-12-19 09:13:58 +01:00
parent d86b3fe134
commit 4fe467ca3c
1 changed files with 48 additions and 0 deletions
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48
src/activities/boot_sleep/SleepActivity.cpp
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@ -2,18 +2,66 @@
#include <GfxRenderer.h>
#include <vector>
#include "CrossPointSettings.h"
#include "SD.h"
#include "config.h"
#include "images/CrossLarge.h"
void SleepActivity::onEnter() {
// Check if we have a /sleep directory
auto dir = SD.open("/sleep");
if (dir && dir.isDirectory()) {
std::vector<std::string> files;
// collect all valid BMP files
for (File file = dir.openNextFile(); file; file = dir.openNextFile()) {
if (file.isDirectory()) {
file.close();
continue;
}
auto filename = std::string(file.name());
if (filename.substr(filename.length() - 4) != ".bmp") {
Serial.printf("[%lu] [Slp] Skipping non-.bmp file name: %s\n", millis(), file.name());
file.close();
continue;
}
Bitmap bitmap(file);
if (bitmap.parseHeaders() != BmpReaderError::Ok) {
Serial.printf("[%lu] [Slp] Skipping invalid BMP file: %s\n", millis(), file.name());
file.close();
continue;
}
files.emplace_back(filename);
file.close();
}
int numFiles = files.size();
if (numFiles > 0) {
// Generate a random number between 1 and numFiles
int randomFileIndex = random(numFiles);
auto filename = "/sleep/" + files[randomFileIndex];
auto file = SD.open(filename.c_str());
if (file) {
Serial.printf("[%lu] [Slp] Randomly loading: /sleep/%s\n", millis(), files[randomFileIndex].c_str());
delay(100);
Bitmap bitmap(file);
if (bitmap.parseHeaders() == BmpReaderError::Ok) {
renderCustomSleepScreen(bitmap);
dir.close();
return;
}
}
}
}
if (dir) dir.close();
// Look for sleep.bmp on the root of the sd card to determine if we should
// render a custom sleep screen instead of the default.
auto file = SD.open("/sleep.bmp");
if (file) {
Bitmap bitmap(file);
if (bitmap.parseHeaders() == BmpReaderError::Ok) {
Serial.printf("[%lu] [Slp] Loading: /sleep.bmp\n", millis());
renderCustomSleepScreen(bitmap);
return;
}