Solved the multi-thread stack problem.

iPAS · Oct 30, 2021 · 33307b1 · 33307b1
1 parent 38191e6
commit 33307b1
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Showing 3 changed files with 33 additions and 4 deletions.
diff --git a/README.md b/README.md
@@ -42,6 +42,7 @@ All helper scripts are placed in _scripts_ directory.
 * After ```mbed import``` a library into the project, 
 please command ```mbed deploy``` consecutively.
 
+* [Tracking Memory Usage in Mbed-OS](https://os.mbed.com/blog/entry/Tracking-memory-usage-with-Mbed-OS/)
 
 ## LoRaWAN & Gateway
 
@@ -50,3 +51,4 @@ please command ```mbed deploy``` consecutively.
 * [Using Built-in ChirpStack](https://docs.rakwireless.com/Product-Categories/WisGate/RAK7243C/Quickstart/#connect-the-gateway-with-chirpstack)
 * [Firmware of the node](https://os.mbed.com/teams/mbed-os-examples/code/mbed-os-example-lorawan/)
     * Edit the configuration in _mbed_app.json_ file.
+
diff --git a/main.cpp b/main.cpp
@@ -326,17 +326,38 @@ void ads1220_read(void)
 #endif
 
 
+/******************************************************************************
+ * AUX functions
+ ******************************************************************************/
+void print_memory_info() {
+    // allocate enough room for every thread's stack statistics
+    int cnt = osThreadGetCount();
+    mbed_stats_stack_t *stats = (mbed_stats_stack_t*) malloc(cnt * sizeof(mbed_stats_stack_t));
+
+    cnt = mbed_stats_stack_get_each(stats, cnt);
+    for (int i = 0; i < cnt; i++) {
+        tr_debug("Thread: 0x%lX, Stack size: %lu / %lu\r\n", stats[i].thread_id, stats[i].max_size, stats[i].reserved_size);
+    }
+    free(stats);
+
+    // Grab the heap statistics
+    mbed_stats_heap_t heap_stats;
+    mbed_stats_heap_get(&heap_stats);
+    tr_debug("Heap size: %lu / %lu bytes\r\n", heap_stats.current_size, heap_stats.reserved_size);
+}
+
+
 /******************************************************************************
  * Main
  ******************************************************************************/
 int main()
 {
     // Setup tracing
     setup_trace();
-
+    print_memory_info();
     // Initialize lorawan & sending
     lrw_init();
-
+    print_memory_info();
 
     float raw = 0;
 

diff --git a/mbed_app.json b/mbed_app.json
@@ -14,6 +14,7 @@
             "value": "SX1276"
         },
         "main_stack_size":     { "value": 4096 },
+        "thread_stack_size":   { "value": 4096 },
 
         "lora-spi-mosi":       { "value": "NC" },
         "lora-spi-miso":       { "value": "NC" },
@@ -249,7 +250,7 @@
         },
 
         "IM880B": {
-            "main_stack_size":      8192,
+            "main_stack_size":      2048,
             "lora-radio":          "SX1272",
             "lora-spi-mosi":       "SPI_RF_MOSI",
             "lora-spi-miso":       "SPI_RF_MISO",
@@ -293,6 +294,11 @@
             "lora-tcxo":           "NC"
         }
     },
-    "macros": ["MBEDTLS_USER_CONFIG_FILE=\"mbedtls_lora_config.h\""]
+    "macros": [
+        "MBEDTLS_USER_CONFIG_FILE=\"mbedtls_lora_config.h\"",
+        "MBED_HEAP_STATS_ENABLED=1",
+        "MBED_STACK_STATS_ENABLED=1",
+        "MBED_MEM_TRACING_ENABLED=1"
+    ]
 }