add circuitpython code

1 files changed, 40 insertions, 0 deletions

diff --git a/circuitpython/shared-bindings/random/__init__.h b/circuitpython/shared-bindings/random/__init__.h
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+++ b/circuitpython/shared-bindings/random/__init__.h
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+/*
+ * This file is part of the MicroPython project, http://micropython.org/
+ *
+ * The MIT License (MIT)
+ *
+ * Copyright (c) 2017 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.
+ */
+
+#ifndef MICROPY_INCLUDED_SHARED_BINDINGS_RANDOM___INIT___H
+#define MICROPY_INCLUDED_SHARED_BINDINGS_RANDOM___INIT___H
+
+// This depends on shared_module because nearly all functionality is port
+// agnostic. The random module only depends on the common_hal_os_urandom or
+// common_hal_time_monotonic_ms to seed it initially.
+
+void shared_modules_random_seed(mp_uint_t seed);
+mp_uint_t shared_modules_random_getrandbits(uint8_t n);
+mp_int_t shared_modules_random_randrange(mp_int_t start, mp_int_t stop, mp_int_t step);
+mp_float_t shared_modules_random_random(void);
+mp_float_t shared_modules_random_uniform(mp_float_t a, mp_float_t b);
+
+#endif  // MICROPY_INCLUDED_SHARED_BINDINGS_RANDOM___INIT___H