From 86428716d531d10261170eb990e6f60938e3cfd7 Mon Sep 17 00:00:00 2001 From: Fabien Poussin Date: Mon, 6 Feb 2017 20:09:28 +0100 Subject: Adding COMP Driver. --- os/hal/src/hal_comp.c | 155 ++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 155 insertions(+) create mode 100644 os/hal/src/hal_comp.c (limited to 'os/hal/src/hal_comp.c') 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 */ + +/** @} */ -- cgit v1.2.3