Files
DoorCounter/firmware/src/config.cpp

101 lines
3.0 KiB
C++

// firmware/src/config.cpp
#include "config.h"
#include <Preferences.h>
static const char* NS = "doorcounter";
bool config_load(DeviceConfig& cfg) {
Preferences prefs;
prefs.begin(NS, true); // read-only
cfg.device_id = prefs.getString("device_id", "");
cfg.location_id = prefs.getString("location_id", "");
cfg.hmac_secret = prefs.getString("hmac_secret", "");
cfg.wifi_ssid = prefs.getString("wifi_ssid", "");
cfg.wifi_pass = prefs.getString("wifi_pass", "");
cfg.line_offset = (uint8_t)prefs.getUInt("line_offset", 50);
prefs.end();
return !cfg.device_id.isEmpty() &&
!cfg.location_id.isEmpty() &&
!cfg.hmac_secret.isEmpty();
}
bool config_save_wifi(const String& ssid, const String& pass) {
Preferences prefs;
prefs.begin(NS, false);
size_t r1 = prefs.putString("wifi_ssid", ssid);
size_t r2 = prefs.putString("wifi_pass", pass);
prefs.end();
return (r1 > 0) && (r2 > 0);
}
bool config_has_wifi() {
Preferences prefs;
prefs.begin(NS, true);
String ssid = prefs.getString("wifi_ssid", "");
prefs.end();
return !ssid.isEmpty();
}
void config_clear_wifi() {
Preferences prefs;
prefs.begin(NS, false);
prefs.remove("wifi_ssid");
prefs.remove("wifi_pass");
prefs.end();
}
bool config_load_tuning(CVTuning& tuning) {
Preferences prefs;
prefs.begin(NS, true); // read-only
uint32_t ver = prefs.getUInt("cv_ver", UINT32_MAX);
if (ver == UINT32_MAX) {
prefs.end();
return false;
}
// All six keys must be present; use sentinels to detect missing.
uint32_t diff = prefs.getUInt("cv_diff", UINT32_MAX);
uint32_t blob = prefs.getUInt("cv_blob", UINT32_MAX);
uint32_t miss = prefs.getUInt("cv_miss", UINT32_MAX);
uint32_t line = prefs.getUInt("cv_line", UINT32_MAX);
bool has_move = prefs.isKey("cv_move");
float move = prefs.getFloat("cv_move", 0.0f);
prefs.end();
if (diff == UINT32_MAX || blob == UINT32_MAX ||
miss == UINT32_MAX || line == UINT32_MAX || !has_move) {
return false;
}
tuning.diff_thresh = (uint8_t)diff;
tuning.min_blob_px = (int)blob;
tuning.max_move = move;
tuning.max_missed = (int)miss;
tuning.line_offset = (uint8_t)line;
tuning.cfg_version = ver;
return true;
}
bool config_save_tuning(const CVTuning& tuning) {
Preferences prefs;
prefs.begin(NS, false);
size_t r1 = prefs.putUInt("cv_diff", (uint32_t)tuning.diff_thresh);
size_t r2 = prefs.putUInt("cv_blob", (uint32_t)tuning.min_blob_px);
size_t r3 = prefs.putFloat("cv_move", tuning.max_move);
size_t r4 = prefs.putUInt("cv_miss", (uint32_t)tuning.max_missed);
size_t r5 = prefs.putUInt("cv_line", (uint32_t)tuning.line_offset);
if (!(r1 > 0 && r2 > 0 && r3 > 0 && r4 > 0 && r5 > 0)) {
prefs.end();
return false;
}
// cv_ver is the atomic commit marker: only written after all tunables succeed.
size_t r6 = prefs.putUInt("cv_ver", tuning.cfg_version);
prefs.end();
return r6 > 0;
}