Furi: core refactoring and CMSIS removal part 2 (#1410)

* Furi: rename and move core
* Furi: drop CMSIS_OS header and unused api, partially refactor and cleanup the rest
* Furi: CMSIS_OS drop and refactoring.
* Furi: refactoring, remove cmsis legacy
* Furi: fix incorrect assert on queue deallocation, cleanup timer
* Furi: improve delay api, get rid of floats
* hal: dropped furi_hal_crc
* Furi: move DWT based delay to cortex HAL
* Furi: update core documentation

Co-authored-by: hedger <hedger@nanode.su>

furi/core/valuemutex.c

@@ -0,0 +1,59 @@
+#include "valuemutex.h"
+
+#include <string.h>
+
+bool init_mutex(ValueMutex* valuemutex, void* value, size_t size) {
+    // mutex without name,
+    // no attributes (unfortunatly robust mutex is not supported by FreeRTOS),
+    // with dynamic memory allocation
+    valuemutex->mutex = furi_mutex_alloc(FuriMutexTypeNormal);
+    if(valuemutex->mutex == NULL) return false;
+
+    valuemutex->value = value;
+    valuemutex->size = size;
+
+    return true;
+}
+
+bool delete_mutex(ValueMutex* valuemutex) {
+    if(furi_mutex_acquire(valuemutex->mutex, FuriWaitForever) == FuriStatusOk) {
+        furi_mutex_free(valuemutex->mutex);
+        return true;
+    } else {
+        return false;
+    }
+}
+
+void* acquire_mutex(ValueMutex* valuemutex, uint32_t timeout) {
+    if(furi_mutex_acquire(valuemutex->mutex, timeout) == FuriStatusOk) {
+        return valuemutex->value;
+    } else {
+        return NULL;
+    }
+}
+
+bool release_mutex(ValueMutex* valuemutex, const void* value) {
+    if(value != valuemutex->value) return false;
+
+    if(furi_mutex_release(valuemutex->mutex) != FuriStatusOk) return false;
+
+    return true;
+}
+
+bool read_mutex(ValueMutex* valuemutex, void* data, size_t len, uint32_t timeout) {
+    void* value = acquire_mutex(valuemutex, timeout);
+    if(value == NULL || len > valuemutex->size) return false;
+    memcpy(data, value, len > 0 ? len : valuemutex->size);
+    if(!release_mutex(valuemutex, value)) return false;
+
+    return true;
+}
+
+bool write_mutex(ValueMutex* valuemutex, void* data, size_t len, uint32_t timeout) {
+    void* value = acquire_mutex(valuemutex, timeout);
+    if(value == NULL || len > valuemutex->size) return false;
+    memcpy(value, data, len > 0 ? len : valuemutex->size);
+    if(!release_mutex(valuemutex, value)) return false;
+
+    return true;
+}