1 files changed, 116 insertions, 0 deletions

diff --git a/lib/chibios/os/hal/ports/STM32/STM32L4xx/hal_efl_lld.h b/lib/chibios/os/hal/ports/STM32/STM32L4xx/hal_efl_lld.h
new file mode 100644
index 000000000..5ee31c5b6
--- /dev/null
+++ b/lib/chibios/os/hal/ports/STM32/STM32L4xx/hal_efl_lld.h
@@ -0,0 +1,116 @@
+/*
+    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_efl_lld.h
+ * @brief   STM32L4xx Embedded Flash subsystem low level driver header.
+ *
+ * @addtogroup HAL_EFL
+ * @{
+ */
+
+#ifndef HAL_EFL_LLD_H
+#define HAL_EFL_LLD_H
+
+#if (HAL_USE_EFL == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/**
+ * @name    STM32L4xx configuration options
+ * @{
+ */
+/**
+ * @brief   Suggested wait time during erase operations polling.
+ */
+#if !defined(STM32_FLASH_WAIT_TIME_MS) || defined(__DOXYGEN__)
+#define STM32_FLASH_WAIT_TIME_MS            5
+#endif
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+#if !defined(STM32_FLASH_NUMBER_OF_BANKS)
+#error "STM32_FLASH_NUMBER_OF_BANKS not defined in registry"
+#endif
+
+#if !defined(STM32_FLASH_SECTORS_PER_BANK)
+#error "STM32_FLASH_SECTORS_PER_BANK not defined in registry"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/**
+ * @brief   Low level fields of the embedded flash driver structure.
+ */
+#define efl_lld_driver_fields                                               \
+  /* Flash registers.*/                                                     \
+  FLASH_TypeDef             *flash
+
+/**
+ * @brief   Low level fields of the embedded flash configuration structure.
+ */
+#define efl_lld_config_fields                                               \
+  /* Dummy configuration, it is not needed.*/                               \
+  uint32_t                  dummy
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#if !defined(__DOXYGEN__)
+extern EFlashDriver EFLD1;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void efl_lld_init(void);
+  void efl_lld_start(EFlashDriver *eflp);
+  void efl_lld_stop(EFlashDriver *eflp);
+  const flash_descriptor_t *efl_lld_get_descriptor(void *instance);
+  flash_error_t efl_lld_read(void *instance, flash_offset_t offset,
+                             size_t n, uint8_t *rp);
+  flash_error_t efl_lld_program(void *instance, flash_offset_t offset,
+                                size_t n, const uint8_t *pp);
+  flash_error_t efl_lld_start_erase_all(void *instance);
+  flash_error_t efl_lld_start_erase_sector(void *instance,
+                                           flash_sector_t sector);
+  flash_error_t efl_lld_query_erase(void *instance, uint32_t *msec);
+  flash_error_t efl_lld_verify_erase(void *instance, flash_sector_t sector);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_EFL == TRUE */
+
+#endif /* HAL_EFL_LLD_H */
+
+/** @} */