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diff --git a/os/hal/ports/STM32/LLD/COMPv1/hal_comp_lld.h b/os/hal/ports/STM32/LLD/COMPv1/hal_comp_lld.h
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+++ b/os/hal/ports/STM32/LLD/COMPv1/hal_comp_lld.h
@@ -0,0 +1,314 @@
+/*
+ ChibiOS - Copyright (C) 2006..2017 Giovanni Di Sirio
+ Copyright (C) 2017 Fabien Poussin (fabien.poussin (at) google's mail)
+
+ 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 STM32/comp_lld.h
+ * @brief STM32 Comparator subsystem low level driver header.
+ *
+ * @addtogroup COMP
+ * @{
+ */
+
+#ifndef HAL_COMP_LLD_H_
+#define HAL_COMP_LLD_H_
+
+#include "hal.h"
+
+#if HAL_USE_COMP || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants. */
+/*===========================================================================*/
+
+#if defined(STM32F303x8)
+
+#define STM32_HAS_COMP1 FALSE
+#define STM32_HAS_COMP2 TRUE
+#define STM32_HAS_COMP3 FALSE
+#define STM32_HAS_COMP4 TRUE
+#define STM32_HAS_COMP5 FALSE
+#define STM32_HAS_COMP6 FALSE
+#define STM32_HAS_COMP7 FALSE
+
+#endif
+
+#if defined(STM32F303xC)
+
+#define STM32_HAS_COMP1 TRUE
+#define STM32_HAS_COMP2 TRUE
+#define STM32_HAS_COMP3 TRUE
+#define STM32_HAS_COMP4 TRUE
+#define STM32_HAS_COMP5 TRUE
+#define STM32_HAS_COMP6 TRUE
+#define STM32_HAS_COMP7 TRUE
+
+#endif
+
+#if defined(STM32F303xE)
+
+#define STM32_HAS_COMP1 TRUE
+#define STM32_HAS_COMP2 TRUE
+#define STM32_HAS_COMP3 TRUE
+#define STM32_HAS_COMP4 TRUE
+#define STM32_HAS_COMP5 TRUE
+#define STM32_HAS_COMP6 TRUE
+#define STM32_HAS_COMP7 TRUE
+
+#endif
+
+/*===========================================================================*/
+/* Driver pre-compile time settings. */
+/*===========================================================================*/
+
+/**
+ * @name Configuration options
+ * @{
+ */
+
+/**
+ * @brief COMP INTERRUPTS.
+ * @details If set to @p TRUE the support for COMPD1 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_COMP_USE_INTERRUPTS) || defined(__DOXYGEN__)
+#define STM32_COMP_USE_INTERRUPTS FALSE
+#endif
+
+/**
+ * @brief COMPD1 driver enable switch.
+ * @details If set to @p TRUE the support for COMPD1 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_COMP_USE_COMP1) || defined(__DOXYGEN__)
+#define STM32_COMP_USE_COMP1 FALSE
+#endif
+
+/**
+ * @brief COMPD2 driver enable switch.
+ * @details If set to @p TRUE the support for COMPD2 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_COMP_USE_COMP2) || defined(__DOXYGEN__)
+#define STM32_COMP_USE_COMP2 FALSE
+#endif
+
+/**
+ * @brief COMPD3 driver enable switch.
+ * @details If set to @p TRUE the support for COMPD3 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_COMP_USE_COMP3) || defined(__DOXYGEN__)
+#define STM32_COMP_USE_COMP3 FALSE
+#endif
+
+/**
+ * @brief COMPD4 driver enable switch.
+ * @details If set to @p TRUE the support for COMPD4 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_COMP_USE_COMP4) || defined(__DOXYGEN__)
+#define STM32_COMP_USE_COMP4 FALSE
+#endif
+
+/**
+ * @brief COMPD5 driver enable switch.
+ * @details If set to @p TRUE the support for COMPD4 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_COMP_USE_COMP5) || defined(__DOXYGEN__)
+#define STM32_COMP_USE_COMP5 FALSE
+#endif
+
+/**
+ * @brief COMPD6 driver enable switch.
+ * @details If set to @p TRUE the support for COMPD4 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_COMP_USE_COMP6) || defined(__DOXYGEN__)
+#define STM32_COMP_USE_COMP6 FALSE
+#endif
+
+/**
+ * @brief COMPD7 driver enable switch.
+ * @details If set to @p TRUE the support for COMPD4 is included.
+ * @note The default is @p FALSE.
+ */
+#if !defined(STM32_COMP_USE_COMP7) || defined(__DOXYGEN__)
+#define STM32_COMP_USE_COMP7 FALSE
+#endif
+
+/** @} */
+
+/*===========================================================================*/
+/* Derived constants and error checks. */
+/*===========================================================================*/
+
+#if STM32_COMP_USE_INTERRUPTS && !HAL_USE_EXT
+#error "COMP needs HAL_USE_EXT to use interrupts"
+#endif
+
+#if STM32_COMP_USE_INTERRUPTS
+#include "hal_ext_lld.h"
+#endif
+
+#if STM32_COMP_USE_COMP1 && !STM32_HAS_COMP1
+#error "COMP1 not present in the selected device"
+#endif
+
+#if STM32_COMP_USE_COMP2 && !STM32_HAS_COMP2
+#error "COMP2 not present in the selected device"
+#endif
+
+#if STM32_COMP_USE_COMP3 && !STM32_HAS_COMP3
+#error "COMP3 not present in the selected device"
+#endif
+
+#if STM32_COMP_USE_COMP4 && !STM32_HAS_COMP4
+#error "COMP4 not present in the selected device"
+#endif
+
+#if STM32_COMP_USE_COMP5 && !STM32_HAS_COMP5
+#error "COMP5 not present in the selected device"
+#endif
+
+#if STM32_COMP_USE_COMP6 && !STM32_HAS_COMP6
+#error "COMP6 not present in the selected device"
+#endif
+
+#if STM32_COMP_USE_COMP7 && !STM32_HAS_COMP7
+#error "COMP7 not present in the selected device"
+#endif
+
+#if !STM32_COMP_USE_COMP1 && !STM32_COMP_USE_COMP2 && \
+ !STM32_COMP_USE_COMP3 && !STM32_COMP_USE_COMP4 && \
+ !STM32_COMP_USE_COMP6 && !STM32_COMP_USE_COMP6 && \
+ !STM32_COMP_USE_COMP7
+#error "COMP driver activated but no COMP peripheral assigned"
+#endif
+
+/*===========================================================================*/
+/* Driver data structures and types. */
+/*===========================================================================*/
+
+/**
+ * @brief COMP output mode.
+ */
+typedef enum {
+ COMP_OUTPUT_NORMAL = 0,
+ COMP_OUTPUT_INVERTED = 1
+} comp_output_mode_t;
+
+
+/**
+ * @brief Driver configuration structure.
+ * @note It could be empty on some architectures.
+ */
+typedef struct {
+ /**
+ * @brief Ouput mode.
+ */
+ comp_output_mode_t mode;
+
+ /**
+ * @brief Callback.
+ */
+ compcallback_t cb;
+
+ /* End of the mandatory fields.*/
+
+ /**
+ * @brief COMP CSR register initialization data.
+ * @note The value of this field should normally be equal to zero.
+ */
+ uint32_t csr;
+} COMPConfig;
+
+/**
+ * @brief Structure representing an TIMCAP driver.
+ */
+struct COMPDriver {
+ /**
+ * @brief Driver state.
+ */
+ compstate_t state;
+ /**
+ * @brief Current configuration data.
+ */
+ const COMPConfig *config;
+#if defined(COMP_DRIVER_EXT_FIELDS)
+ COMP_DRIVER_EXT_FIELDS
+#endif
+ /* End of the mandatory fields.*/
+ /**
+ * @brief Pointer to the COMPx registers block.
+ */
+ COMP_TypeDef *comp;
+};
+
+/*===========================================================================*/
+/* Driver macros. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* External declarations. */
+/*===========================================================================*/
+
+#if STM32_COMP_USE_COMP1 && !defined(__DOXYGEN__)
+extern COMPDriver COMPD1;
+#endif
+
+#if STM32_COMP_USE_COMP2 && !defined(__DOXYGEN__)
+extern COMPDriver COMPD2;
+#endif
+
+#if STM32_COMP_USE_COMP3 && !defined(__DOXYGEN__)
+extern COMPDriver COMPD3;
+#endif
+
+#if STM32_COMP_USE_COMP4 && !defined(__DOXYGEN__)
+extern COMPDriver COMPD4;
+#endif
+
+#if STM32_COMP_USE_COMP5 && !defined(__DOXYGEN__)
+extern COMPDriver COMPD5;
+#endif
+
+#if STM32_COMP_USE_COMP6 && !defined(__DOXYGEN__)
+extern COMPDriver COMPD6;
+#endif
+
+#if STM32_COMP_USE_COMP7 && !defined(__DOXYGEN__)
+extern COMPDriver COMPD7;
+#endif
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+ void comp_lld_init(void);
+ void comp_lld_start(COMPDriver *timcapp);
+ void comp_lld_stop(COMPDriver *timcapp);
+ void comp_lld_enable(COMPDriver *timcapp);
+ void comp_lld_disable(COMPDriver *timcapp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_COMP */
+
+#endif /* _comp_lld_H_ */
+
+/** @} */
generated by cgit v1.2.3 (git 2.25.1) at 2024-07-02 15:15:53 +0000