Files
chargeflow/components/evse/evse_core.c
2025-12-21 23:28:26 +00:00

130 lines
2.8 KiB
C
Executable File

// components/evse/evse_core.c
#include "evse_fsm.h"
#include "evse_error.h"
#include "evse_limits.h"
#include "evse_config.h"
#include "evse_api.h"
#include "evse_session.h"
#include "evse_pilot.h"
#include "freertos/FreeRTOS.h"
#include "freertos/semphr.h"
#include "esp_log.h"
static const char *TAG = "evse_core";
static SemaphoreHandle_t mutex;
static evse_state_t last_state = EVSE_STATE_A;
// Filtro simples de histerese no pilot
#define PILOT_STABLE_SAMPLES 2
static pilot_voltage_t s_last_raw = PILOT_VOLTAGE_12;
static pilot_voltage_t s_filtered = PILOT_VOLTAGE_12;
static int s_stable_count = 0;
static pilot_voltage_t filter_pilot_voltage(pilot_voltage_t raw)
{
if (raw == s_last_raw)
{
if (s_stable_count < PILOT_STABLE_SAMPLES)
{
s_stable_count++;
}
}
else
{
s_last_raw = raw;
s_stable_count = 1;
}
if (s_stable_count >= PILOT_STABLE_SAMPLES && raw != s_filtered)
{
s_filtered = raw;
}
return s_filtered;
}
static void evse_process(void);
static void evse_core_task(void *arg);
void evse_init(void)
{
ESP_LOGI(TAG, "EVSE Init");
mutex = xSemaphoreCreateMutex();
if (!mutex)
{
ESP_LOGE(TAG, "Failed to create EVSE core mutex");
return;
}
evse_check_defaults();
evse_fsm_reset();
pilot_set_level(true);
BaseType_t rc = xTaskCreate(evse_core_task, "evse_core_task", 4096, NULL, 6, NULL);
configASSERT(rc == pdPASS);
}
static void evse_process(void)
{
if (!mutex)
{
return;
}
xSemaphoreTake(mutex, portMAX_DELAY);
pilot_voltage_t pilot_raw;
bool is_n12v = false;
pilot_measure(&pilot_raw, &is_n12v);
pilot_voltage_t pilot_voltage = filter_pilot_voltage(pilot_raw);
ESP_LOGD(TAG, "Pilot(raw=%d, filt=%d), -12V: %s",
pilot_raw, pilot_voltage, is_n12v ? "yes" : "no");
// raw set/clear; erro visível mantém holdoff interno (60s após sumir)
evse_error_check(pilot_voltage, is_n12v);
// ✅ Sem cooldown externo: disponibilidade depende só do erro "visível"
bool available = evse_config_is_available() && (evse_get_error() == 0);
bool enabled = evse_config_is_enabled();
evse_fsm_process(
pilot_voltage,
evse_state_get_authorized(),
available,
enabled);
evse_limits_check();
if (evse_is_limit_reached())
{
if (evse_state_get_authorized())
{
ESP_LOGW(TAG, "Charging limit reached → revoking authorization");
evse_state_set_authorized(false);
}
}
evse_state_t current = evse_get_state();
if (current != last_state)
{
last_state = current;
}
xSemaphoreGive(mutex);
}
static void evse_core_task(void *arg)
{
(void)arg;
while (true)
{
evse_process();
vTaskDelay(pdMS_TO_TICKS(100));
}
}