From 8ca210a4af9fd039e290cfcc309adde543999c1f Mon Sep 17 00:00:00 2001 From: gdisirio Date: Fri, 9 Aug 2013 08:24:22 +0000 Subject: git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6108 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/src/ext.c | 207 ------------------------------------------------------- 1 file changed, 207 deletions(-) delete mode 100644 os/hal/src/ext.c (limited to 'os/hal/src/ext.c') diff --git a/os/hal/src/ext.c b/os/hal/src/ext.c deleted file mode 100644 index a0dc9f38e..000000000 --- a/os/hal/src/ext.c +++ /dev/null @@ -1,207 +0,0 @@ -/* - ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, - 2011,2012,2013 Giovanni Di Sirio. - - This file is part of ChibiOS/RT. - - ChibiOS/RT is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 3 of the License, or - (at your option) any later version. - - ChibiOS/RT is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program. If not, see . -*/ - -/** - * @file ext.c - * @brief EXT Driver code. - * - * @addtogroup EXT - * @{ - */ - -#include "ch.h" -#include "hal.h" - -#if HAL_USE_EXT || defined(__DOXYGEN__) - -/*===========================================================================*/ -/* Driver local definitions. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver exported variables. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver local variables and types. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver local functions. */ -/*===========================================================================*/ - -/*===========================================================================*/ -/* Driver exported functions. */ -/*===========================================================================*/ - -/** - * @brief EXT Driver initialization. - * @note This function is implicitly invoked by @p halInit(), there is - * no need to explicitly initialize the driver. - * - * @init - */ -void extInit(void) { - - ext_lld_init(); -} - -/** - * @brief Initializes the standard part of a @p EXTDriver structure. - * - * @param[out] extp pointer to the @p EXTDriver object - * - * @init - */ -void extObjectInit(EXTDriver *extp) { - - extp->state = EXT_STOP; - extp->config = NULL; -} - -/** - * @brief Configures and activates the EXT peripheral. - * @post After activation all EXT channels are in the disabled state, - * use @p extChannelEnable() in order to activate them. - * - * @param[in] extp pointer to the @p EXTDriver object - * @param[in] config pointer to the @p EXTConfig object - * - * @api - */ -void extStart(EXTDriver *extp, const EXTConfig *config) { - - chDbgCheck((extp != NULL) && (config != NULL), "extStart"); - - chSysLock(); - chDbgAssert((extp->state == EXT_STOP) || (extp->state == EXT_ACTIVE), - "extStart(), #1", "invalid state"); - extp->config = config; - ext_lld_start(extp); - extp->state = EXT_ACTIVE; - chSysUnlock(); -} - -/** - * @brief Deactivates the EXT peripheral. - * - * @param[in] extp pointer to the @p EXTDriver object - * - * @api - */ -void extStop(EXTDriver *extp) { - - chDbgCheck(extp != NULL, "extStop"); - - chSysLock(); - chDbgAssert((extp->state == EXT_STOP) || (extp->state == EXT_ACTIVE), - "extStop(), #1", "invalid state"); - ext_lld_stop(extp); - extp->state = EXT_STOP; - chSysUnlock(); -} - -/** - * @brief Enables an EXT channel. - * @pre The channel must not be in @p EXT_CH_MODE_DISABLED mode. - * - * @param[in] extp pointer to the @p EXTDriver object - * @param[in] channel channel to be enabled - * - * @api - */ -void extChannelEnable(EXTDriver *extp, expchannel_t channel) { - - chDbgCheck((extp != NULL) && (channel < EXT_MAX_CHANNELS), - "extChannelEnable"); - - chSysLock(); - chDbgAssert((extp->state == EXT_ACTIVE) && - ((extp->config->channels[channel].mode & - EXT_CH_MODE_EDGES_MASK) != EXT_CH_MODE_DISABLED), - "extChannelEnable(), #1", "invalid state"); - extChannelEnableI(extp, channel); - chSysUnlock(); -} - -/** - * @brief Disables an EXT channel. - * @pre The channel must not be in @p EXT_CH_MODE_DISABLED mode. - * - * @param[in] extp pointer to the @p EXTDriver object - * @param[in] channel channel to be disabled - * - * @api - */ -void extChannelDisable(EXTDriver *extp, expchannel_t channel) { - - chDbgCheck((extp != NULL) && (channel < EXT_MAX_CHANNELS), - "extChannelDisable"); - - chSysLock(); - chDbgAssert((extp->state == EXT_ACTIVE) && - ((extp->config->channels[channel].mode & - EXT_CH_MODE_EDGES_MASK) != EXT_CH_MODE_DISABLED), - "extChannelDisable(), #1", "invalid state"); - extChannelDisableI(extp, channel); - chSysUnlock(); -} - -/** - * @brief Changes the operation mode of a channel. - * @note This function attempts to write over the current configuration - * structure that must have been not declared constant. This - * violates the @p const qualifier in @p extStart() but it is - * intentional. - * @note This function cannot be used if the configuration structure is - * declared @p const. - * @note The effect of this function on constant configuration structures - * is not defined. - * - * @param[in] extp pointer to the @p EXTDriver object - * @param[in] channel channel to be changed - * @param[in] extcp new configuration for the channel - * - * @iclass - */ -void extSetChannelModeI(EXTDriver *extp, - expchannel_t channel, - const EXTChannelConfig *extcp) { - EXTChannelConfig *oldcp; - - chDbgCheck((extp != NULL) && (channel < EXT_MAX_CHANNELS) && - (extcp != NULL), "extSetChannelModeI"); - - chDbgAssert(extp->state == EXT_ACTIVE, - "extSetChannelModeI(), #1", "invalid state"); - - /* Note that here the access is enforced as non-const, known access - violation.*/ - oldcp = (EXTChannelConfig *)&extp->config->channels[channel]; - - /* Overwiting the old channels configuration then the channel is reconfigured - by the low level driver.*/ - *oldcp = *extcp; - ext_lld_channel_enable(extp, channel); -} - -#endif /* HAL_USE_EXT */ - -/** @} */ -- cgit v1.2.3 From a840a0d418a1ca695412b934637b81f7e38cfef8 Mon Sep 17 00:00:00 2001 From: gdisirio Date: Mon, 12 Aug 2013 16:13:20 +0000 Subject: Ported EXT. git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6142 35acf78f-673a-0410-8e92-d51de3d6d3f4 --- os/hal/src/ext.c | 204 +++++++++++++++++++++++++++++++++++++++++++++++++++++++ 1 file changed, 204 insertions(+) create mode 100644 os/hal/src/ext.c (limited to 'os/hal/src/ext.c') diff --git a/os/hal/src/ext.c b/os/hal/src/ext.c new file mode 100644 index 000000000..81c92525a --- /dev/null +++ b/os/hal/src/ext.c @@ -0,0 +1,204 @@ +/* + ChibiOS/RT - Copyright (C) 2006,2007,2008,2009,2010, + 2011,2012,2013 Giovanni Di Sirio. + + This file is part of ChibiOS/RT. + + ChibiOS/RT is free software; you can redistribute it and/or modify + it under the terms of the GNU General Public License as published by + the Free Software Foundation; either version 3 of the License, or + (at your option) any later version. + + ChibiOS/RT is distributed in the hope that it will be useful, + but WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the + GNU General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program. If not, see . +*/ + +/** + * @file ext.c + * @brief EXT Driver code. + * + * @addtogroup EXT + * @{ + */ + +#include "hal.h" + +#if HAL_USE_EXT || defined(__DOXYGEN__) + +/*===========================================================================*/ +/* Driver local definitions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported variables. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local variables and types. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver local functions. */ +/*===========================================================================*/ + +/*===========================================================================*/ +/* Driver exported functions. */ +/*===========================================================================*/ + +/** + * @brief EXT Driver initialization. + * @note This function is implicitly invoked by @p halInit(), there is + * no need to explicitly initialize the driver. + * + * @init + */ +void extInit(void) { + + ext_lld_init(); +} + +/** + * @brief Initializes the standard part of a @p EXTDriver structure. + * + * @param[out] extp pointer to the @p EXTDriver object + * + * @init + */ +void extObjectInit(EXTDriver *extp) { + + extp->state = EXT_STOP; + extp->config = NULL; +} + +/** + * @brief Configures and activates the EXT peripheral. + * @post After activation all EXT channels are in the disabled state, + * use @p extChannelEnable() in order to activate them. + * + * @param[in] extp pointer to the @p EXTDriver object + * @param[in] config pointer to the @p EXTConfig object + * + * @api + */ +void extStart(EXTDriver *extp, const EXTConfig *config) { + + osalDbgCheck((extp != NULL) && (config != NULL)); + + osalSysLock(); + osalDbgAssert((extp->state == EXT_STOP) || (extp->state == EXT_ACTIVE), + "invalid state"); + extp->config = config; + ext_lld_start(extp); + extp->state = EXT_ACTIVE; + osalSysUnlock(); +} + +/** + * @brief Deactivates the EXT peripheral. + * + * @param[in] extp pointer to the @p EXTDriver object + * + * @api + */ +void extStop(EXTDriver *extp) { + + osalDbgCheck(extp != NULL); + + osalSysLock(); + osalDbgAssert((extp->state == EXT_STOP) || (extp->state == EXT_ACTIVE), + "invalid state"); + ext_lld_stop(extp); + extp->state = EXT_STOP; + osalSysUnlock(); +} + +/** + * @brief Enables an EXT channel. + * @pre The channel must not be in @p EXT_CH_MODE_DISABLED mode. + * + * @param[in] extp pointer to the @p EXTDriver object + * @param[in] channel channel to be enabled + * + * @api + */ +void extChannelEnable(EXTDriver *extp, expchannel_t channel) { + + osalDbgCheck((extp != NULL) && (channel < EXT_MAX_CHANNELS)); + + osalSysLock(); + osalDbgAssert((extp->state == EXT_ACTIVE) && + ((extp->config->channels[channel].mode & + EXT_CH_MODE_EDGES_MASK) != EXT_CH_MODE_DISABLED), + "invalid state"); + extChannelEnableI(extp, channel); + osalSysUnlock(); +} + +/** + * @brief Disables an EXT channel. + * @pre The channel must not be in @p EXT_CH_MODE_DISABLED mode. + * + * @param[in] extp pointer to the @p EXTDriver object + * @param[in] channel channel to be disabled + * + * @api + */ +void extChannelDisable(EXTDriver *extp, expchannel_t channel) { + + osalDbgCheck((extp != NULL) && (channel < EXT_MAX_CHANNELS)); + + osalSysLock(); + osalDbgAssert((extp->state == EXT_ACTIVE) && + ((extp->config->channels[channel].mode & + EXT_CH_MODE_EDGES_MASK) != EXT_CH_MODE_DISABLED), + "invalid state"); + extChannelDisableI(extp, channel); + osalSysUnlock(); +} + +/** + * @brief Changes the operation mode of a channel. + * @note This function attempts to write over the current configuration + * structure that must have been not declared constant. This + * violates the @p const qualifier in @p extStart() but it is + * intentional. + * @note This function cannot be used if the configuration structure is + * declared @p const. + * @note The effect of this function on constant configuration structures + * is not defined. + * + * @param[in] extp pointer to the @p EXTDriver object + * @param[in] channel channel to be changed + * @param[in] extcp new configuration for the channel + * + * @iclass + */ +void extSetChannelModeI(EXTDriver *extp, + expchannel_t channel, + const EXTChannelConfig *extcp) { + EXTChannelConfig *oldcp; + + osalDbgCheck((extp != NULL) && + (channel < EXT_MAX_CHANNELS) && + (extcp != NULL)); + + osalDbgAssert(extp->state == EXT_ACTIVE, "invalid state"); + + /* Note that here the access is enforced as non-const, known access + violation.*/ + oldcp = (EXTChannelConfig *)&extp->config->channels[channel]; + + /* Overwiting the old channels configuration then the channel is reconfigured + by the low level driver.*/ + *oldcp = *extcp; + ext_lld_channel_enable(extp, channel); +} + +#endif /* HAL_USE_EXT */ + +/** @} */ -- cgit v1.2.3