api: add expected hashrate

Author: jpcomps

main/http_server/http_server.c

@@ -542,6 +542,8 @@ static esp_err_t GET_system_info(httpd_req_t * req)
     char * stratumUser = nvs_config_get_string(NVS_CONFIG_STRATUM_USER, CONFIG_STRATUM_USER);
     char * fallbackStratumUser = nvs_config_get_string(NVS_CONFIG_FALLBACK_STRATUM_USER, CONFIG_FALLBACK_STRATUM_USER);
     char * board_version = nvs_config_get_string(NVS_CONFIG_BOARD_VERSION, "unknown");
+    uint16_t freq = nvs_config_get_u16(NVS_CONFIG_ASIC_FREQ, CONFIG_ASIC_FREQUENCY);
+    float expected_hashrate = freq * ((ASIC_get_small_core_count(GLOBAL_STATE) * ASIC_get_asic_count(GLOBAL_STATE)) / 1000.0);
 
     esp_wifi_get_mac(WIFI_IF_STA, mac);
     snprintf(formattedMac, 18, "%02X:%02X:%02X:%02X:%02X:%02X", mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
@@ -558,6 +560,7 @@ static esp_err_t GET_system_info(httpd_req_t * req)
     cJSON_AddNumberToObject(root, "maxPower", Power_get_max_settings(GLOBAL_STATE));
     cJSON_AddNumberToObject(root, "nominalVoltage", Power_get_nominal_voltage(GLOBAL_STATE));
     cJSON_AddNumberToObject(root, "hashRate", GLOBAL_STATE->SYSTEM_MODULE.current_hashrate);
+    cJSON_AddNumberToObject(root, "expectedHashrate", expected_hashrate);
     cJSON_AddStringToObject(root, "bestDiff", GLOBAL_STATE->SYSTEM_MODULE.best_diff_string);
     cJSON_AddStringToObject(root, "bestSessionDiff", GLOBAL_STATE->SYSTEM_MODULE.best_session_diff_string);
     cJSON_AddNumberToObject(root, "stratumDiff", GLOBAL_STATE->stratum_difficulty);
@@ -569,7 +572,7 @@ static esp_err_t GET_system_info(httpd_req_t * req)
     cJSON_AddNumberToObject(root, "freeHeap", esp_get_free_heap_size());
     cJSON_AddNumberToObject(root, "coreVoltage", nvs_config_get_u16(NVS_CONFIG_ASIC_VOLTAGE, CONFIG_ASIC_VOLTAGE));
     cJSON_AddNumberToObject(root, "coreVoltageActual", VCORE_get_voltage_mv(GLOBAL_STATE));
-    cJSON_AddNumberToObject(root, "frequency", nvs_config_get_u16(NVS_CONFIG_ASIC_FREQ, CONFIG_ASIC_FREQUENCY));
+    cJSON_AddNumberToObject(root, "frequency", freq);
     cJSON_AddStringToObject(root, "ssid", ssid);
     cJSON_AddStringToObject(root, "macAddr", formattedMac);
     cJSON_AddStringToObject(root, "hostname", hostname);