perf(memory): reduce factory CLI and LCD internal RAM use

components/control_plane/src/runtime/control_plane_factory_cli.c

@@ -19,6 +19,7 @@
 #include <string.h>
 
 #include "domain.h"
+#include "esp_heap_caps.h"
 #include "esp_log.h"
 #include "freertos/FreeRTOS.h"
 #include "freertos/portmacro.h"
@@ -34,7 +35,7 @@
 #define FACTORY_CLI_READ_TIMEOUT_MS    100
 #define FACTORY_CLI_RESET_REPLY_DELAY_MS 100
 #ifndef CONFIG_TQ_FACTORY_CLI_TASK_STACK_BYTES
-#define CONFIG_TQ_FACTORY_CLI_TASK_STACK_BYTES (10U * 1024U)
+#define CONFIG_TQ_FACTORY_CLI_TASK_STACK_BYTES (7U * 1024U)
 #endif
 
 #define FACTORY_CLI_WORKER_STACK_BYTES CONFIG_TQ_FACTORY_CLI_TASK_STACK_BYTES
@@ -341,11 +342,18 @@ static void handle_get_wifi(void)
         return;
     }
 
-    char json[FACTORY_CLI_WIFI_JSON_MAX_LEN] = {0};
+    char *json = (char *)heap_caps_calloc(1,
+                                          FACTORY_CLI_WIFI_JSON_MAX_LEN,
+                                          MALLOC_CAP_SPIRAM | MALLOC_CAP_8BIT);
+    if (json == NULL) {
+        cli_write_error("no_memory");
+        return;
+    }
+
     size_t offset = 0;
     char prefix[48] = {0};
     snprintf(prefix, sizeof(prefix), "{\"count\":%u,\"networks\":[", (unsigned)networks.count);
-    bool valid = json_append_text(json, sizeof(json), &offset, prefix);
+    bool valid = json_append_text(json, FACTORY_CLI_WIFI_JSON_MAX_LEN, &offset, prefix);
     for (size_t i = 0; valid && i < networks.count; ++i) {
         char item_prefix[40] = {0};
         snprintf(item_prefix,
@@ -353,20 +361,25 @@ static void handle_get_wifi(void)
                  "%s{\"priority\":%u,\"ssid\":",
                  i == 0U ? "" : ",",
                  (unsigned)i);
-        valid = json_append_text(json, sizeof(json), &offset, item_prefix) &&
+        valid = json_append_text(json,
+                                 FACTORY_CLI_WIFI_JSON_MAX_LEN,
+                                 &offset,
+                                 item_prefix) &&
                 json_append_escaped_string(json,
-                                           sizeof(json),
+                                           FACTORY_CLI_WIFI_JSON_MAX_LEN,
                                            &offset,
                                            networks.ssids[i]) &&
-                json_append_text(json, sizeof(json), &offset, "}");
+                json_append_text(json, FACTORY_CLI_WIFI_JSON_MAX_LEN, &offset, "}");
     }
-    valid = valid && json_append_text(json, sizeof(json), &offset, "]}");
+    valid = valid && json_append_text(json, FACTORY_CLI_WIFI_JSON_MAX_LEN, &offset, "]}");
     if (!valid) {
+        heap_caps_free(json);
         cli_write_error("wifi_response_too_large");
         return;
     }
 
     cli_write_line(json);
+    heap_caps_free(json);
     cli_write_ok();
 }
 

components/control_plane/src/runtime/control_plane_runtime_workers.c

@@ -21,7 +21,7 @@
 #include "sdkconfig.h"
 
 #ifndef CONFIG_TQ_LCD_RENDER_TASK_STACK_BYTES
-#define CONFIG_TQ_LCD_RENDER_TASK_STACK_BYTES (10U * 1024U)
+#define CONFIG_TQ_LCD_RENDER_TASK_STACK_BYTES (8U * 1024U)
 #endif
 
 #define CONTROL_PLANE_MODEL_CMD_TASK_STACK_SIZE    (1024 * 4)

main/Kconfig.projbuild

@@ -728,7 +728,7 @@ menu "TQ Cat Configuration"
 
         config TQ_LCD_RENDER_TASK_STACK_BYTES
             int "LCD render task stack (bytes)"
-            default 10240
+            default 8192
             range 8192 16384
             depends on TQ_SCREEN_ENABLE
             help
@@ -1350,8 +1350,8 @@ menu "TQ Cat Configuration"
 
         config TQ_FACTORY_CLI_TASK_STACK_BYTES
             int "Factory CLI task stack (bytes)"
-            default 10240
+            default 7168
-            range 8192 16384
+            range 7168 16384
             depends on TQ_FACTORY_CLI_ENABLE
             help
                 Stack size in bytes for the serial factory provisioning worker.

sdkconfig.defaults

@@ -40,7 +40,7 @@ CONFIG_TQ_BOOT_SOUND_TIMEOUT_MS=3000
 CONFIG_TQ_BOOT_SOUND_FILE="boot.opus"
 CONFIG_TQ_NETWORK_TASK_CORE=0
 CONFIG_TQ_LOCAL_TASK_CORE=1
-CONFIG_TQ_LCD_RENDER_TASK_STACK_BYTES=10240
+CONFIG_TQ_LCD_RENDER_TASK_STACK_BYTES=8192
 CONFIG_TQ_TASK_MONITOR_INTERVAL_MS=30000
 CONFIG_TQ_TASK_MONITOR_MAX_TASKS=64
 CONFIG_TQ_MEMORY_MONITOR_ENABLE=y
@@ -200,7 +200,7 @@ CONFIG_TQ_MULTIMODAL_WATCHDOG_TASK_STACK_BYTES=6144
 # CONFIG_MULTIMODAL_AUTH_BYPASS_TOKEN_SERVICE is not set
 CONFIG_AUTH_V2_ENABLE=y
 CONFIG_TQ_FACTORY_CLI_ENABLE=y
-CONFIG_TQ_FACTORY_CLI_TASK_STACK_BYTES=10240
+CONFIG_TQ_FACTORY_CLI_TASK_STACK_BYTES=7168
 CONFIG_MULTIMODAL_UPSTREAM_MODE="push2talk"
 CONFIG_MULTIMODAL_PTT_BUTTON_GPIO=3
 CONFIG_MULTIMODAL_PTT_BUTTON_ACTIVE_LEVEL=0