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| author | Giovanni Di Sirio <gdisirio@gmail.com> | 2018-09-09 09:41:52 +0000 |
|---|---|---|
| committer | Giovanni Di Sirio <gdisirio@gmail.com> | 2018-09-09 09:41:52 +0000 |
| commit | 98aeb732ffd81f00bde3fb7dd2a4ff65690ebe7f (patch) | |
| tree | e2181fa6d214da5b59d1e6ff7372a1117e62f84c /os/hal/templates/hal_trng_lld.c | |
| parent | ab8cbd8f7c824a3311c1878157e8b6d7721e470d (diff) | |
| download | ChibiOS-98aeb732ffd81f00bde3fb7dd2a4ff65690ebe7f.tar.gz ChibiOS-98aeb732ffd81f00bde3fb7dd2a4ff65690ebe7f.tar.bz2 ChibiOS-98aeb732ffd81f00bde3fb7dd2a4ff65690ebe7f.zip | |
New TRNG driver model added to HAL.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@12253 110e8d01-0319-4d1e-a829-52ad28d1bb01
Diffstat (limited to 'os/hal/templates/hal_trng_lld.c')
| -rw-r--r-- | os/hal/templates/hal_trng_lld.c | 140 |
1 files changed, 140 insertions, 0 deletions
diff --git a/os/hal/templates/hal_trng_lld.c b/os/hal/templates/hal_trng_lld.c new file mode 100644 index 000000000..68965fcf6 --- /dev/null +++ b/os/hal/templates/hal_trng_lld.c @@ -0,0 +1,140 @@ +/*
+ ChibiOS - Copyright (C) 2006..2018 Giovanni Di Sirio
+
+ Licensed under the Apache License, Version 2.0 (the "License");
+ you may not use this file except in compliance with the License.
+ You may obtain a copy of the License at
+
+ http://www.apache.org/licenses/LICENSE-2.0
+
+ Unless required by applicable law or agreed to in writing, software
+ distributed under the License is distributed on an "AS IS" BASIS,
+ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ See the License for the specific language governing permissions and
+ limitations under the License.
+*/
+
+/**
+ * @file hal_trng_lld.c
+ * @brief PLATFORM TRNG subsystem low level driver source.
+ *
+ * @addtogroup TRNG
+ * @{
+ */
+
+#include "hal.h"
+
+#if (HAL_USE_TRNG == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/**
+ * @brief TRNGD1 driver identifier.
+ */
+#if (PLATFORM_TRNG_USE_TRNG1 == TRUE) || defined(__DOXYGEN__)
+TRNGDriver TRNGD1;
+#endif
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver interrupt handlers. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief Low level TRNG driver initialization.
+ *
+ * @notapi
+ */
+void trng_lld_init(void) {
+
+#if PLATFORM_TRNG_USE_TRNG1 == TRUE
+ /* Driver initialization.*/
+ trngObjectInit(&TRNGD1);
+#endif
+}
+
+/**
+ * @brief Configures and activates the TRNG peripheral.
+ *
+ * @param[in] trngp pointer to the @p TRNGDriver object
+ *
+ * @notapi
+ */
+void trng_lld_start(TRNGDriver *trngp) {
+
+ if (trngp->state == TRNG_STOP) {
+ /* Enables the peripheral.*/
+#if PLATFORM_TRNG_USE_TRNG1 == TRUE
+ if (&TRNGD1 == trngp) {
+
+ }
+#endif
+ }
+ /* Configures the peripheral.*/
+
+}
+
+/**
+ * @brief Deactivates the TRNG peripheral.
+ *
+ * @param[in] trngp pointer to the @p TRNGDriver object
+ *
+ * @notapi
+ */
+void trng_lld_stop(TRNGDriver *trngp) {
+
+ if (trngp->state == TRNG_READY) {
+ /* Resets the peripheral.*/
+
+ /* Disables the peripheral.*/
+#if PLATFORM_TRNG_USE_TRNG1 == TRUE
+ if (&TRNGD1 == trngp) {
+
+ }
+#endif
+ }
+}
+
+/**
+ * @brief True random numbers generator.
+ * @note The function is blocking and likely performs polled waiting
+ * inside the low level implementation.
+ *
+ * @param[in] trngp pointer to the @p TRNGDriver object
+ * @param[in] size size of output buffer
+ * @param[out] out output buffer
+ * @return The operation status.
+ * @retval false if a random number has been generated.
+ * @retval true if an HW error occurred.
+ *
+ * @api
+ */
+bool trng_lld_generate(TRNGDriver *trngp, size_t size, uint8_t *out) {
+
+ (void)trngp;
+ (void)size;
+ (void)out;
+
+ return true;
+}
+
+#endif /* HAL_USE_TRNG == TRUE */
+
+/** @} */
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