mirror of
https://github.com/daveallie/crosspoint-reader.git
synced 2026-02-04 14:47:37 +03:00
5ae10a7eb6
Multiple goals are achieved with this change: - make descriptions of settings close to their definitions - settings validation on loading with reset to default in case of bad value - do not boot-loop on bad string values - (de)serialization is based on a single list of descriptors: single point of truth - possibly to have default values for the String configuration type - more constexpr to reduce RAM usage - less hardcoded values - more maintainable RAM Usage: From RAM: [=== ] 32.5% (used 106516 bytes from 327680 bytes) Flash: [========= ] 94.9% (used 6217240 bytes from 6553600 bytes) To RAM: [=== ] 32.3% (used 105844 bytes from 327680 bytes) Flash: [========= ] 94.8% (used 6213378 bytes from 6553600 bytes) Boot config validation with a test where the status bar config is wrong: [1256] [SD] SD card detected [1256] [CPS] Loading settings from file [1265] [CPS] Invalid value (0x3) for Status Bar, resetting to default [1265] [CPS] Settings loaded from file
61 lines
1.5 KiB
C++
61 lines
1.5 KiB
C++
#pragma once
|
|
#include <SdFat.h>
|
|
|
|
#include <iostream>
|
|
|
|
namespace serialization {
|
|
template <typename T>
|
|
static void writePod(std::ostream& os, const T& value) {
|
|
os.write(reinterpret_cast<const char*>(&value), sizeof(T));
|
|
}
|
|
|
|
template <typename T>
|
|
static void writePod(FsFile& file, const T& value) {
|
|
file.write(reinterpret_cast<const uint8_t*>(&value), sizeof(T));
|
|
}
|
|
|
|
template <typename T>
|
|
static void readPod(std::istream& is, T& value) {
|
|
is.read(reinterpret_cast<char*>(&value), sizeof(T));
|
|
}
|
|
|
|
template <typename T>
|
|
static void readPod(FsFile& file, T& value) {
|
|
file.read(reinterpret_cast<uint8_t*>(&value), sizeof(T));
|
|
}
|
|
|
|
static void writeString(std::ostream& os, const std::string& s) {
|
|
const uint32_t len = s.size();
|
|
writePod(os, len);
|
|
os.write(s.data(), len);
|
|
}
|
|
|
|
static void writeString(FsFile& file, const std::string& s) {
|
|
const uint32_t len = s.size();
|
|
writePod(file, len);
|
|
file.write(reinterpret_cast<const uint8_t*>(s.data()), len);
|
|
}
|
|
|
|
static void readString(std::istream& is, std::string& s) {
|
|
uint32_t len;
|
|
readPod(is, len);
|
|
s.resize(len);
|
|
is.read(&s[0], len);
|
|
}
|
|
|
|
static void readString(FsFile& file, std::string& s) {
|
|
uint32_t len;
|
|
readPod(file, len);
|
|
s.resize(len);
|
|
file.read(&s[0], len);
|
|
}
|
|
|
|
static void readString(FsFile& file, char* buffer, size_t maxLen) {
|
|
uint32_t len;
|
|
readPod(file, len);
|
|
const uint32_t bytesToRead = (len < maxLen - 1) ? len : (maxLen - 1);
|
|
file.read(reinterpret_cast<uint8_t*>(buffer), bytesToRead);
|
|
buffer[bytesToRead] = '\0';
|
|
}
|
|
} // namespace serialization
|