diff options
| author | Damien George | 2017-09-06 13:40:51 +1000 |
|---|---|---|
| committer | Damien George | 2017-09-06 13:40:51 +1000 |
| commit | 01dd7804b87d60b2deab16712eccb3b97351a9b7 (patch) | |
| tree | 1aa21f38a872b8e62a3d4e4f74f68033c6f827e4 /stmhal/rng.c | |
| parent | a9862b30068fc9df1022f08019fb35aaa5085f64 (diff) | |
ports: Make new ports/ sub-directory and move all ports there.
This is to keep the top-level directory clean, to make it clear what is
core and what is a port, and to allow the repository to grow with new ports
in a sustainable way.
Diffstat (limited to 'stmhal/rng.c')
| -rw-r--r-- | stmhal/rng.c | 67 |
1 files changed, 0 insertions, 67 deletions
diff --git a/stmhal/rng.c b/stmhal/rng.c deleted file mode 100644 index c0c5e9aeb..000000000 --- a/stmhal/rng.c +++ /dev/null @@ -1,67 +0,0 @@ -/* - * This file is part of the MicroPython project, http://micropython.org/ - * - * The MIT License (MIT) - * - * Copyright (c) 2013, 2014 Damien P. George - * - * 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 <string.h> - -#include "py/obj.h" -#include "rng.h" - -#if MICROPY_HW_ENABLE_RNG - -/// \moduleref pyb - -STATIC RNG_HandleTypeDef RNGHandle = {.Instance = NULL}; - -void rng_init0(void) { - // reset the RNG handle - memset(&RNGHandle, 0, sizeof(RNG_HandleTypeDef)); - RNGHandle.Instance = RNG; -} - -void rng_init(void) { - __RNG_CLK_ENABLE(); - HAL_RNG_Init(&RNGHandle); -} - -uint32_t rng_get(void) { - if (RNGHandle.State == HAL_RNG_STATE_RESET) { - rng_init(); - } - return HAL_RNG_GetRandomNumber(&RNGHandle); -} - -/// \function rng() -/// Return a 30-bit hardware generated random number. -STATIC mp_obj_t pyb_rng_get(void) { - if (RNGHandle.State == HAL_RNG_STATE_RESET) { - rng_init(); - } - return mp_obj_new_int(HAL_RNG_GetRandomNumber(&RNGHandle) >> 2); -} - -MP_DEFINE_CONST_FUN_OBJ_0(pyb_rng_get_obj, pyb_rng_get); - -#endif // MICROPY_HW_ENABLE_RNG |
