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PlxEV
2025-07-22 00:09:58 +01:00
parent 84f106eee5
commit bd587a10c0
58 changed files with 3215 additions and 6961 deletions
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48
components/evse/evse_limits.c
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@@ -1,7 +1,9 @@
#include <inttypes.h> // for PRIu32
#include "evse_state.h"
#include "evse_api.h"
#include "evse_limits.h"
#include "evse_meter.h"
#include "evse_session.h"
#include "esp_log.h"
#include "freertos/FreeRTOS.h"
#include "freertos/task.h"
@@ -134,41 +136,53 @@ bool evse_is_limit_reached(void) {
return evse_get_limit_reached();
}
// ========================
// Limit checking logic
// This function must be called periodically while charging.
// It will flag the session as "limit reached" when thresholds are violated.
// ========================
void evse_limits_check(void) {
evse_state_t state = evse_get_state();
if (!evse_state_is_charging(state)) return;
// Only check during an active charging session
if (!evse_state_is_charging(evse_get_state())) {
return;
}
evse_session_t sess;
// Retrieve accumulated data for the current session
if (!evse_session_get(&sess) || !sess.is_current) {
// If there's no active session, abort
return;
}
bool reached = false;
uint32_t energy = evse_meter_get_total_energy();
uint32_t power = evse_meter_get_instant_power();
TickType_t now = xTaskGetTickCount();
TickType_t start = evse_get_session_start();
if (consumption_limit > 0 && energy >= consumption_limit) {
ESP_LOGW("EVSE", "Energy limit reached");
// 1) Energy consumption limit (Wh)
if (consumption_limit > 0 && sess.energy_wh >= consumption_limit) {
ESP_LOGW("EVSE_LIMITS",
"Energy limit reached: %" PRIu32 " Wh ≥ %" PRIu32 " Wh",
sess.energy_wh, consumption_limit);
reached = true;
}
if (charging_time_limit > 0 &&
(now - start) >= pdMS_TO_TICKS(charging_time_limit * 1000)) {
ESP_LOGW("EVSE", "Charging time limit reached");
// 2) Charging time limit (seconds)
if (charging_time_limit > 0 && sess.duration_s >= charging_time_limit) {
ESP_LOGW("EVSE_LIMITS",
"Charging time limit reached: %" PRIu32 " s ≥ %" PRIu32 " s",
sess.duration_s, charging_time_limit);
reached = true;
}
if (under_power_limit > 0 && power < under_power_limit) {
ESP_LOGW("EVSE", "Under power limit reached");
// 3) Under-power limit (instantaneous power)
uint32_t inst_power = evse_meter_get_instant_power();
if (under_power_limit > 0 && inst_power < under_power_limit) {
ESP_LOGW("EVSE_LIMITS",
"Under-power limit reached: %" PRIu32 " W < %" PRIu32 " W",
(uint32_t)inst_power,
(uint32_t)under_power_limit);
reached = true;
}
if (reached) {
evse_set_limit_reached(true);
}
}
}