CI Cleanup

Author: mhightower83

cores/esp8266/esp8266_undocumented.h

@@ -150,7 +150,7 @@ void _xtos_p_none(void);
 #else
 typedef void (_xtos_handler_func)();
 void	_xtos_c_wrapper_handler();
-void _xtos_unhandled_exception());
+void _xtos_unhandled_exception();
 void _xtos_p_none();
 
 #endif

cores/esp8266/umm_malloc/umm_local.c

@@ -180,6 +180,11 @@ size_t umm_block_size( void ) {
 
 static size_t free_blocks_to_free_space(unsigned short int blocks) {
   int free_space = (int)blocks * sizeof(umm_block) - UMM_OVERHEAD_ADJUST;
+  /*
+   * There are some strange boundary things at play I don't quite follow.
+   * However, these adjustments allow malloc to be called and succeed in
+   * allocating all of the available memory, assuming it is contiguous.
+   */
   return  (free_space > 0) ? (size_t)free_space : 0;
 }
 

libraries/esp8266/examples/irammem/irammem.ino

@@ -253,6 +253,29 @@ void setup() {
     Serial.printf("IRAM free: %6d\n", ESP.getFreeHeap());
   }
 #endif
+  {
+    ets_uart_printf("Try and allocate all of the heap in one chunk\n");
+    HeapSelectIram ephemeral;
+    size_t free_iram = ESP.getFreeHeap();
+    ets_uart_printf("IRAM free: %6d\n", free_iram);
+    uint32_t hfree;
+    uint16_t hmax;
+    uint8_t hfrag;
+    ESP.getHeapStats(&hfree, &hmax, &hfrag);
+    ets_uart_printf("ESP.getHeapStats(free: %u, max: %u, frag: %u)\n",
+                    hfree, hmax, hfrag);
+
+    void *all = malloc(free_iram);
+    ets_uart_printf("%p = malloc(%lu)\n", all, free_iram);
+    umm_info(NULL, true);
+
+    free_iram = ESP.getFreeHeap();
+    ets_uart_printf("IRAM free: %6d\n", free_iram);
+
+    free(all);
+    ets_uart_printf("IRAM free: %6d\n", ESP.getFreeHeap());
+
+  }
 }
 
 void processKey(Print& out, int hotKey) {
@@ -305,7 +328,7 @@ void processKey(Print& out, int hotKey) {
 }
 
 
-void loop(void){
+void loop(void) {
   if (Serial.available() > 0) {
     int hotKey = Serial.read();
     processKey(Serial, hotKey);

tools/platformio-build.py

@@ -111,7 +111,8 @@ def scons_patched_match_splitext(path, suffixes=None):
         join(FRAMEWORK_DIR, "tools", "sdk", "include"),
         join(FRAMEWORK_DIR, "tools", "sdk", "libc",
              "xtensa-lx106-elf", "include"),
-        join(FRAMEWORK_DIR, "cores", env.BoardConfig().get("build.core"))
+        join(FRAMEWORK_DIR, "cores", env.BoardConfig().get("build.core")),
+        join(FRAMEWORK_DIR, "tools", "xtensa-lx106-elf", "include")
     ],
 
     LIBPATH=[