windows: Implement mp_hal_ticks_cpu in terms of QueryPerformanceCounter

stinos · stinos · commit 3272afe57f33 · 2016-11-03T10:31:58.000+01:00
diff --git a/unix/modtime.c b/unix/modtime.c
@@ -152,6 +152,7 @@ STATIC const mp_rom_map_elem_t mp_module_time_globals_table[] = {
     { MP_ROM_QSTR(MP_QSTR_time), MP_ROM_PTR(&mod_time_time_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_ms), MP_ROM_PTR(&mp_utime_ticks_ms_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_us), MP_ROM_PTR(&mp_utime_ticks_us_obj) },
+    { MP_ROM_QSTR(MP_QSTR_ticks_cpu), MP_ROM_PTR(&mp_utime_ticks_cpu_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_add), MP_ROM_PTR(&mp_utime_ticks_add_obj) },
     { MP_ROM_QSTR(MP_QSTR_ticks_diff), MP_ROM_PTR(&mp_utime_ticks_diff_obj) },
     { MP_ROM_QSTR(MP_QSTR_strftime), MP_ROM_PTR(&mod_time_strftime_obj) },
diff --git a/windows/windows_mphal.c b/windows/windows_mphal.c
@@ -217,3 +217,13 @@ mp_uint_t mp_hal_ticks_us(void) {
     gettimeofday(&tv, NULL);
     return tv.tv_sec * 1000000 + tv.tv_usec;
 }
+
+mp_uint_t mp_hal_ticks_cpu(void) {
+    LARGE_INTEGER value;
+    QueryPerformanceCounter(&value);
+#ifdef _WIN64
+    return value.QuadPart;
+#else
+    return value.LowPart;
+#endif
+}
diff --git a/windows/windows_mphal.h b/windows/windows_mphal.h
@@ -32,5 +32,5 @@
 void mp_hal_move_cursor_back(unsigned int pos);
 void mp_hal_erase_line_from_cursor(unsigned int n_chars_to_erase);
 
-// TODO: Implement.
-#define mp_hal_ticks_cpu() 0
+#undef mp_hal_ticks_cpu
+mp_uint_t mp_hal_ticks_cpu(void);
