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author | barthess <barthess@yandex.ru> | 2015-02-28 21:42:40 +0300 |
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committer | barthess <barthess@yandex.ru> | 2015-02-28 21:42:40 +0300 |
commit | 4e7a5796b40e2d8d2779f31e4103c6934c537858 (patch) | |
tree | 12f46bf0665ef819718ede6b8f643a9a6d8fc54f /os/hal/src | |
parent | 605fb84bcd73a41656c6c4261f5002be3bb69c6c (diff) | |
download | ChibiOS-Contrib-4e7a5796b40e2d8d2779f31e4103c6934c537858.tar.gz ChibiOS-Contrib-4e7a5796b40e2d8d2779f31e4103c6934c537858.tar.bz2 ChibiOS-Contrib-4e7a5796b40e2d8d2779f31e4103c6934c537858.zip |
Added EICU driver in HAL. Added STM32 backend for EICU.
Diffstat (limited to 'os/hal/src')
-rw-r--r-- | os/hal/src/eicu.c | 149 | ||||
-rw-r--r-- | os/hal/src/hal_community.c | 4 |
2 files changed, 153 insertions, 0 deletions
diff --git a/os/hal/src/eicu.c b/os/hal/src/eicu.c new file mode 100644 index 0000000..ef31745 --- /dev/null +++ b/os/hal/src/eicu.c @@ -0,0 +1,149 @@ +/* + ChibiOS/RT - Copyright (C) 2006-2013 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. +*/ +/* + Rewritten by Emil Fresk (1/5 - 2014) for extended input capture + functionallity. And fix for spourious callbacks in the interrupt handler. +*/ + +/* + * Hardware Abstraction Layer for Extended Input Capture Unit + */ +#include "hal.h" + +#if HAL_USE_EICU || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief EICU Driver initialization. + * + * @init + */ +void eicuInit(void) { + + eicu_lld_init(); +} + +/** + * @brief Initializes the standard part of a @p EICUDriver structure. + * + * @param[out] eicup Pointer to the @p EICUDriver object + * + * @init + */ +void eicuObjectInit(EICUDriver *eicup) { + + eicup->state = EICU_STOP; + eicup->config = NULL; +} + +/** + * @brief Configures and activates the EICU peripheral. + * + * @param[in] eicup Pointer to the @p EICUDriver object + * @param[in] config Pointer to the @p EICUConfig object + * + * @api + */ +void eicuStart(EICUDriver *eicup, const EICUConfig *config) { + + osalDbgCheck((eicup != NULL) && (config != NULL)); + + osalSysLock(); + osalDbgAssert((eicup->state == EICU_STOP) || (eicup->state == EICU_READY), + "invalid state"); + eicup->config = config; + eicu_lld_start(eicup); + eicup->state = EICU_READY; + osalSysUnlock(); +} + +/** + * @brief Deactivates the EICU peripheral. + * + * @param[in] eicup Pointer to the @p EICUDriver object + * + * @api + */ +void eicuStop(EICUDriver *eicup) { + + osalDbgCheck(eicup != NULL); + + osalSysLock(); + osalDbgAssert((eicup->state == EICU_STOP) || (eicup->state == EICU_READY), + "invalid state"); + eicu_lld_stop(eicup); + eicup->state = EICU_STOP; + osalSysUnlock(); +} + +/** + * @brief Enables the extended input capture. + * + * @param[in] eicup Pointer to the @p EICUDriver object + * + * @api + */ +void eicuEnable(EICUDriver *eicup) { + + osalDbgCheck(eicup != NULL); + + osalSysLock(); + osalDbgAssert(eicup->state == EICU_READY, "invalid state"); + eicu_lld_enable(eicup); + eicup->state = EICU_WAITING; + osalSysUnlock(); +} + +/** + * @brief Disables the extended input capture. + * + * @param[in] eicup Pointer to the @p EICUDriver object + * + * @api + */ +void eicuDisable(EICUDriver *eicup) { + + osalDbgCheck(eicup != NULL); + + osalSysLock(); + osalDbgAssert((eicup->state == EICU_READY) || (eicup->state == EICU_WAITING) || + (eicup->state == EICU_ACTIVE) || (eicup->state == EICU_IDLE), + "invalid state"); + eicu_lld_disable(eicup); + eicup->state = EICU_READY; + osalSysUnlock(); +} + +#endif /* HAL_USE_EICU */ diff --git a/os/hal/src/hal_community.c b/os/hal/src/hal_community.c index b1e13e6..fc0cf85 100644 --- a/os/hal/src/hal_community.c +++ b/os/hal/src/hal_community.c @@ -59,6 +59,10 @@ void halCommunityInit(void) { #if HAL_USE_NAND || defined(__DOXYGEN__)
nandInit();
#endif
+
+#if HAL_USE_EICU || defined(__DOXYGEN__)
+ eicuInit();
+#endif
}
#endif /* HAL_USE_COMMUNITY */
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