1 files changed, 89 insertions, 0 deletions
diff --git a/extmod/utime_mphal.c b/extmod/utime_mphal.c
new file mode 100644
index 0000000000..3ecdc94469
--- /dev/null
+++ b/extmod/utime_mphal.c
@@ -0,0 +1,89 @@
+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2013-2016 Damien P. George
+ * Copyright (c) 2016 Paul Sokolovsky
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a copy
+ * of this software and associated documentation files (the "Software"), to deal
+ * in the Software without restriction, including without limitation the rights
+ * to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+ * copies of the Software, and to permit persons to whom the Software is
+ * furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice shall be included in
+ * all copies or substantial portions of the Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
+ * AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
+ * OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN
+ * THE SOFTWARE.
+ */
+
+#include "py/mpconfig.h"
+#if MICROPY_PY_UTIME_MP_HAL
+
+#include <string.h>
+
+#include "py/obj.h"
+#include "py/mphal.h"
+#include "py/smallint.h"
+#include "extmod/utime_mphal.h"
+
+STATIC mp_obj_t time_sleep(mp_obj_t seconds_o) {
+    #if MICROPY_PY_BUILTINS_FLOAT
+    mp_hal_delay_ms(1000 * mp_obj_get_float(seconds_o));
+    #else
+    mp_hal_delay_ms(1000 * mp_obj_get_int(seconds_o));
+    #endif
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_1(mp_utime_sleep_obj, time_sleep);
+
+STATIC mp_obj_t time_sleep_ms(mp_obj_t arg) {
+    mp_int_t ms = mp_obj_get_int(arg);
+    if (ms > 0) {
+        mp_hal_delay_ms(ms);
+    }
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_1(mp_utime_sleep_ms_obj, time_sleep_ms);
+
+STATIC mp_obj_t time_sleep_us(mp_obj_t arg) {
+    mp_int_t us = mp_obj_get_int(arg);
+    if (us > 0) {
+        mp_hal_delay_us(us);
+    }
+    return mp_const_none;
+}
+MP_DEFINE_CONST_FUN_OBJ_1(mp_utime_sleep_us_obj, time_sleep_us);
+
+STATIC mp_obj_t time_ticks_ms(void) {
+    return MP_OBJ_NEW_SMALL_INT(mp_hal_ticks_ms() & MP_SMALL_INT_POSITIVE_MASK);
+}
+MP_DEFINE_CONST_FUN_OBJ_0(mp_utime_ticks_ms_obj, time_ticks_ms);
+
+STATIC mp_obj_t time_ticks_us(void) {
+    return MP_OBJ_NEW_SMALL_INT(mp_hal_ticks_us() & MP_SMALL_INT_POSITIVE_MASK);
+}
+MP_DEFINE_CONST_FUN_OBJ_0(mp_utime_ticks_us_obj, time_ticks_us);
+
+STATIC mp_obj_t time_ticks_cpu(void) {
+    return MP_OBJ_NEW_SMALL_INT(mp_hal_ticks_cpu() & MP_SMALL_INT_POSITIVE_MASK);
+}
+MP_DEFINE_CONST_FUN_OBJ_0(mp_utime_ticks_cpu_obj, time_ticks_cpu);
+
+STATIC mp_obj_t time_ticks_diff(mp_obj_t start_in, mp_obj_t end_in) {
+    // we assume that the arguments come from ticks_xx so are small ints
+    uint32_t start = MP_OBJ_SMALL_INT_VALUE(start_in);
+    uint32_t end = MP_OBJ_SMALL_INT_VALUE(end_in);
+    return MP_OBJ_NEW_SMALL_INT((end - start) & MP_SMALL_INT_POSITIVE_MASK);
+}
+MP_DEFINE_CONST_FUN_OBJ_2(mp_utime_ticks_diff_obj, time_ticks_diff);
+
+#endif // MICROPY_PY_UTIME_MP_HAL