Initial work on SAMD

1 files changed, 44 insertions, 0 deletions

diff --git a/shared-module/time/__init__.c b/shared-module/time/__init__.c
new file mode 100644
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+++ b/shared-module/time/__init__.c
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+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2016 Scott Shawcroft for Adafruit Industries
+ *
+ * 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/mphal.h"
+#include "supervisor/port.h"
+
+uint64_t common_hal_time_monotonic(void) {
+    return supervisor_ticks_ms64();
+}
+
+uint64_t common_hal_time_monotonic_ns(void) {
+    uint8_t subticks = 0;
+    uint64_t ticks = port_get_raw_ticks(&subticks);
+    // A tick is 976562.5 nanoseconds so multiply it by the base and add half instead of doing float
+    // math.
+    return 976562 * ticks + ticks / 2 + 30518 * subticks;
+}
+
+void common_hal_time_delay_ms(uint32_t delay) {
+    mp_hal_delay_ms(delay);
+}