From 86428716d531d10261170eb990e6f60938e3cfd7 Mon Sep 17 00:00:00 2001
From: Fabien Poussin <fabien.poussin@gmail.com>
Date: Mon, 6 Feb 2017 20:09:28 +0100
Subject: Adding COMP Driver.

---
 os/hal/include/hal_comp.h | 132 ++++++++++++++++++++++++++++++++++++++++++++++
 1 file changed, 132 insertions(+)
 create mode 100644 os/hal/include/hal_comp.h

(limited to 'os/hal/include/hal_comp.h')

diff --git a/os/hal/include/hal_comp.h b/os/hal/include/hal_comp.h
new file mode 100644
index 0000000..045cef0
--- /dev/null
+++ b/os/hal/include/hal_comp.h
@@ -0,0 +1,132 @@
+/*
+    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.
+*/
+
+#ifndef HAL_COMP_H_
+#define HAL_COMP_H_
+
+#include "hal.h"
+
+
+#if (HAL_USE_COMP == TRUE) || defined(__DOXYGEN__)
+
+/*===========================================================================*/
+/* Driver constants.                                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver pre-compile time settings.                                         */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Derived constants and error checks.                                       */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver data structures and types.                                         */
+/*===========================================================================*/
+
+/**
+ * @brief   Driver state machine possible states.
+ */
+typedef enum {
+  COMP_UNINIT = 0,                   /**< Not initialized.                   */
+  COMP_STOP = 1,                     /**< Stopped.                           */
+  COMP_READY = 2,                    /**< Ready.                             */
+  COMP_ACTIVE = 3,                   /**< Active cycle phase.                */
+} compstate_t;
+
+/**
+ * @brief   Type of a structure representing an TIMCAP driver.
+ */
+typedef struct COMPDriver COMPDriver;
+
+
+/**
+ * @brief   TIMCAP notification callback type.
+ *
+ * @param[in] comp      pointer to a @p COMPDriver object
+ */
+typedef void (*compcallback_t)(COMPDriver *comp);
+
+#include "hal_comp_lld.h"
+
+/*===========================================================================*/
+/* Driver macros.                                                            */
+/*===========================================================================*/
+
+/**
+ * @name    Macro Functions
+ * @{
+ */
+/**
+ * @brief   Enables the input capture.
+ *
+ * @param[in] comp      pointer to the @p COMPDriver object
+ *
+ * @iclass
+ */
+#define timcapEnableI(comp) comp_lld_enable(comp)
+
+/**
+ * @brief   Disables the input capture.
+ *
+ * @param[in] comp      pointer to the @p COMPDriver object
+ *
+ * @iclass
+ */
+#define timcapDisableI(comp) comp_lld_disable(comp)
+/** @} */
+
+
+/**
+ * @name    Low Level driver helper macros
+ * @{
+ */
+
+/**
+ * @brief   Common ISR code, main event.
+ *
+ * @param[in] comp      pointer to the @p COMPDriver object
+ *
+ * @notapi
+ */
+#define _comp_isr_invoke_cb(comp) {                                 \
+  (comp)->config->cb(comp);                                        \
+}
+/** @} */
+
+/*===========================================================================*/
+/* External declarations.                                                    */
+/*===========================================================================*/
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+  void compInit(void);
+  void compObjectInit(COMPDriver *comp);
+  void compStart(COMPDriver *comp, const COMPConfig *config);
+  void compStop(COMPDriver *comp);
+  void compEnable(COMPDriver *comp);
+  void compDisable(COMPDriver *comp);
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* HAL_USE_COMP */
+
+
+#endif /* HAL_COMP_H_ */
-- 
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