aboutsummaryrefslogtreecommitdiffstats
path: root/os/hal/src/hal_comp.c
diff options
context:
space:
mode:
Diffstat (limited to 'os/hal/src/hal_comp.c')
-rw-r--r--os/hal/src/hal_comp.c155
1 files changed, 155 insertions, 0 deletions
diff --git a/os/hal/src/hal_comp.c b/os/hal/src/hal_comp.c
new file mode 100644
index 0000000..abc0fad
--- /dev/null
+++ b/os/hal/src/hal_comp.c
@@ -0,0 +1,155 @@
+/*
+ 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 hal_comp.c
+ * @brief COMP Driver code.
+ *
+ * @addtogroup COMP
+ * @{
+ */
+
+#include "hal_comp.h"
+
+#if HAL_USE_COMP || defined(__DOXYGEN__)
+
+
+/*===========================================================================*/
+/* Driver local definitions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported variables. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local variables and types. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver local functions. */
+/*===========================================================================*/
+
+/*===========================================================================*/
+/* Driver exported functions. */
+/*===========================================================================*/
+
+/**
+ * @brief COMP Driver initialization.
+ * @note This function is implicitly invoked by @p halInit(), there is
+ * no need to explicitly initialize the driver.
+ *
+ * @init
+ */
+void compInit(void) {
+
+ comp_lld_init();
+}
+
+/**
+ * @brief Initializes the standard part of a @p COMPDriver structure.
+ *
+ * @param[out] compp pointer to the @p COMPDriver object
+ *
+ * @init
+ */
+void compObjectInit(COMPDriver *compp) {
+
+ compp->state = COMP_STOP;
+ compp->config = NULL;
+}
+
+/**
+ * @brief Configures and activates the COMP peripheral.
+ *
+ * @param[in] compp pointer to the @p COMPDriver object
+ * @param[in] config pointer to the @p COMPConfig object
+ *
+ * @api
+ */
+void compStart(COMPDriver *compp, const COMPConfig *config) {
+
+ osalDbgCheck((compp != NULL) && (config != NULL));
+
+ osalSysLock();
+ osalDbgAssert((compp->state == COMP_STOP) || (compp->state == COMP_READY),
+ "invalid state");
+ compp->config = config;
+ comp_lld_start(compp);
+ compp->state = COMP_READY;
+ osalSysUnlock();
+}
+
+/**
+ * @brief Deactivates the COMP peripheral.
+ *
+ * @param[in] compp pointer to the @p COMPDriver object
+ *
+ * @api
+ */
+void compStop(COMPDriver *compp) {
+
+ osalDbgCheck(compp != NULL);
+
+ osalSysLock();
+ osalDbgAssert((compp->state == COMP_STOP) || (compp->state == COMP_READY),
+ "invalid state");
+ comp_lld_stop(compp);
+ compp->state = COMP_STOP;
+ osalSysUnlock();
+}
+
+/**
+ * @brief Activates the comparator.
+ *
+ * @param[in] compp pointer to the @p COMPDriver object
+ *
+ * @api
+ */
+void compEnable(COMPDriver *compp) {
+
+ osalDbgCheck(compp != NULL);
+
+ osalSysLock();
+ osalDbgAssert(compp->state == COMP_READY, "invalid state");
+ comp_lld_enable(compp);
+ compp->state = COMP_ACTIVE;
+ osalSysUnlock();
+}
+
+/**
+ * @brief Deactivates the comparator.
+ *
+ * @param[in] compp pointer to the @p COMPDriver object
+ *
+ * @api
+ */
+void compDisable(COMPDriver *compp) {
+
+ osalDbgCheck(compp != NULL);
+
+ osalSysLock();
+ osalDbgAssert((compp->state == COMP_READY) || (compp->state == COMP_ACTIVE),
+ "invalid state");
+ comp_lld_disable(compp);
+ compp->state = COMP_READY;
+ osalSysUnlock();
+}
+
+#endif /* HAL_USE_COMP */
+
+/** @} */