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Ported EXT. 

git-svn-id: svn://svn.code.sf.net/p/chibios/svn/branches/kernel_3_dev@6142 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
gdisirio 2013-08-12 16:13:20 +00:00
parent 78e314cdad
commit a840a0d418
7 changed files with 421 additions and 79 deletions
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2
demos/ARMCM4-STM32F303-DISCOVERY/halconf.h
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@ -55,7 +55,7 @@
* @brief Enables the EXT subsystem.
*/
#if !defined(HAL_USE_EXT) || defined(__DOXYGEN__)
#define HAL_USE_EXT FALSE
#define HAL_USE_EXT TRUE
#endif
/**

1
os/hal/hal.mk
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@ -4,6 +4,7 @@ HALSRC = ${CHIBIOS}/os/hal/src/hal.c \
${CHIBIOS}/os/hal/src/hal_queues.c \
${CHIBIOS}/os/hal/src/adc.c \
${CHIBIOS}/os/hal/src/can.c \
${CHIBIOS}/os/hal/src/ext.c \
${CHIBIOS}/os/hal/src/gpt.c \
${CHIBIOS}/os/hal/src/icu.c \
${CHIBIOS}/os/hal/src/pal.c \

154
os/hal/include/ext.h Normal file
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@ -0,0 +1,154 @@
/*
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 <http://www.gnu.org/licenses/>.
*/
/**
* @file ext.h
* @brief EXT Driver macros and structures.
*
* @addtogroup EXT
* @{
*/
#ifndef _EXT_H_
#define _EXT_H_
#if HAL_USE_EXT || defined(__DOXYGEN__)
/*===========================================================================*/
/* Driver constants. */
/*===========================================================================*/
/**
* @name EXT channel modes
* @{
*/
#define EXT_CH_MODE_EDGES_MASK 3 /**< @brief Mask of edges field. */
#define EXT_CH_MODE_DISABLED 0 /**< @brief Channel disabled. */
#define EXT_CH_MODE_RISING_EDGE 1 /**< @brief Rising edge callback. */
#define EXT_CH_MODE_FALLING_EDGE 2 /**< @brief Falling edge callback. */
#define EXT_CH_MODE_BOTH_EDGES 3 /**< @brief Both edges callback. */
#define EXT_CH_MODE_AUTOSTART 4 /**< @brief Channel started
automatically on driver start. */
/** @} */
/*===========================================================================*/
/* Driver pre-compile time settings. */
/*===========================================================================*/
/*===========================================================================*/
/* Derived constants and error checks. */
/*===========================================================================*/
/*===========================================================================*/
/* Driver data structures and types. */
/*===========================================================================*/
/**
* @brief Driver state machine possible states.
*/
typedef enum {
EXT_UNINIT = 0, /**< Not initialized. */
EXT_STOP = 1, /**< Stopped. */
EXT_ACTIVE = 2, /**< Active. */
} extstate_t;
/**
* @brief Type of a structure representing a EXT driver.
*/
typedef struct EXTDriver EXTDriver;
#include "ext_lld.h"
/*===========================================================================*/
/* Driver macros. */
/*===========================================================================*/
/**
* @name Macro Functions
* @{
*/
/**
* @brief Enables an EXT channel.
*
* @param[in] extp pointer to the @p EXTDriver object
* @param[in] channel channel to be enabled
*
* @iclass
*/
#define extChannelEnableI(extp, channel) ext_lld_channel_enable(extp, channel)
/**
* @brief Disables an EXT channel.
*
* @param[in] extp pointer to the @p EXTDriver object
* @param[in] channel channel to be disabled
*
* @iclass
*/
#define extChannelDisableI(extp, channel) ext_lld_channel_disable(extp, channel)
/**
* @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. This function cannot be used if the configuration
* structure is declared @p const.
*
* @param[in] extp pointer to the @p EXTDriver object
* @param[in] channel channel to be changed
* @param[in] extcp new configuration for the channel
*
* @api
*/
#define extSetChannelMode(extp, channel, extcp) { \
osalSysLock(); \
extSetChannelModeI(extp, channel, extcp); \
osalSysUnlock(); \
}
/** @} */
/*===========================================================================*/
/* External declarations. */
/*===========================================================================*/
#ifdef __cplusplus
extern "C" {
#endif
void extInit(void);
void extObjectInit(EXTDriver *extp);
void extStart(EXTDriver *extp, const EXTConfig *config);
void extStop(EXTDriver *extp);
void extChannelEnable(EXTDriver *extp, expchannel_t channel);
void extChannelDisable(EXTDriver *extp, expchannel_t channel);
void extSetChannelModeI(EXTDriver *extp,
expchannel_t channel,
const EXTChannelConfig *extcp);
#ifdef __cplusplus
}
#endif
#endif /* HAL_USE_EXT */
#endif /* _EXT_H_ */
/** @} */

2
os/hal/include/hal.h
View File

@ -48,7 +48,7 @@
#include "pal.h"
#include "adc.h"
#include "can.h"
//#include "ext.h"
#include "ext.h"
#include "gpt.h"
//#include "i2c.h"
#include "icu.h"

1
os/hal/platforms/STM32/ext_lld.c
View File

@ -22,7 +22,6 @@
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_EXT || defined(__DOXYGEN__)

136
os/hal/platforms/STM32F30x/ext_lld_isr.c
View File

@ -22,7 +22,6 @@
* @{
*/
#include "ch.h"
#include "hal.h"
#if HAL_USE_EXT || defined(__DOXYGEN__)
@ -55,14 +54,14 @@
*
* @isr
*/
CH_IRQ_HANDLER(Vector58) {
OSAL_IRQ_HANDLER(Vector58) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 0);
EXTD1.config->channels[0].cb(&EXTD1, 0);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -72,14 +71,14 @@ CH_IRQ_HANDLER(Vector58) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector5C) {
OSAL_IRQ_HANDLER(Vector5C) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 1);
EXTD1.config->channels[1].cb(&EXTD1, 1);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -89,14 +88,14 @@ CH_IRQ_HANDLER(Vector5C) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector60) {
OSAL_IRQ_HANDLER(Vector60) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 2);
EXTD1.config->channels[2].cb(&EXTD1, 2);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -106,14 +105,14 @@ CH_IRQ_HANDLER(Vector60) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector64) {
OSAL_IRQ_HANDLER(Vector64) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 3);
EXTD1.config->channels[3].cb(&EXTD1, 3);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -123,14 +122,14 @@ CH_IRQ_HANDLER(Vector64) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector68) {
OSAL_IRQ_HANDLER(Vector68) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 4);
EXTD1.config->channels[4].cb(&EXTD1, 4);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -140,10 +139,10 @@ CH_IRQ_HANDLER(Vector68) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector9C) {
OSAL_IRQ_HANDLER(Vector9C) {
uint32_t pr;
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 5) | (1 << 6) | (1 << 7) | (1 << 8) | (1 << 9));
EXTI->PR = pr;
@ -158,7 +157,7 @@ CH_IRQ_HANDLER(Vector9C) {
if (pr & (1 << 9))
EXTD1.config->channels[9].cb(&EXTD1, 9);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -168,10 +167,10 @@ CH_IRQ_HANDLER(Vector9C) {
*
* @isr
*/
CH_IRQ_HANDLER(VectorE0) {
OSAL_IRQ_HANDLER(VectorE0) {
uint32_t pr;
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 10) | (1 << 11) | (1 << 12) | (1 << 13) | (1 << 14) |
(1 << 15));
@ -189,7 +188,7 @@ CH_IRQ_HANDLER(VectorE0) {
if (pr & (1 << 15))
EXTD1.config->channels[15].cb(&EXTD1, 15);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -199,14 +198,14 @@ CH_IRQ_HANDLER(VectorE0) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector44) {
OSAL_IRQ_HANDLER(Vector44) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 16);
EXTD1.config->channels[16].cb(&EXTD1, 16);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -216,14 +215,14 @@ CH_IRQ_HANDLER(Vector44) {
*
* @isr
*/
CH_IRQ_HANDLER(VectorE4) {
OSAL_IRQ_HANDLER(VectorE4) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 17);
EXTD1.config->channels[17].cb(&EXTD1, 17);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -233,14 +232,14 @@ CH_IRQ_HANDLER(VectorE4) {
*
* @isr
*/
CH_IRQ_HANDLER(VectorE8) {
OSAL_IRQ_HANDLER(VectorE8) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 18);
EXTD1.config->channels[18].cb(&EXTD1, 18);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -250,14 +249,14 @@ CH_IRQ_HANDLER(VectorE8) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector48) {
OSAL_IRQ_HANDLER(Vector48) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 19);
EXTD1.config->channels[19].cb(&EXTD1, 19);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -267,14 +266,14 @@ CH_IRQ_HANDLER(Vector48) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector4C) {
OSAL_IRQ_HANDLER(Vector4C) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR = (1 << 20);
EXTD1.config->channels[20].cb(&EXTD1, 20);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -284,10 +283,10 @@ CH_IRQ_HANDLER(Vector4C) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector140) {
OSAL_IRQ_HANDLER(Vector140) {
uint32_t pr;
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 21) | (1 << 22) | (1 << 29));
EXTI->PR = pr;
@ -298,7 +297,7 @@ CH_IRQ_HANDLER(Vector140) {
if (pr & (1 << 29))
EXTD1.config->channels[29].cb(&EXTD1, 29);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -308,10 +307,10 @@ CH_IRQ_HANDLER(Vector140) {
*
* @isr
*/
CH_IRQ_HANDLER(Vector144) {
OSAL_IRQ_HANDLER(Vector144) {
uint32_t pr;
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
pr = EXTI->PR & ((1 << 30) | (1 << 31));
EXTI->PR = pr;
@ -325,7 +324,7 @@ CH_IRQ_HANDLER(Vector144) {
if (pr & (1 << 0))
EXTD1.config->channels[32].cb(&EXTD1, 32);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -335,14 +334,14 @@ CH_IRQ_HANDLER(Vector144) {
*
* @isr
*/
CH_IRQ_HANDLER(RTC_WKUP_IRQHandler) {
OSAL_IRQ_HANDLER(RTC_WKUP_IRQHandler) {
CH_IRQ_PROLOGUE();
OSAL_IRQ_PROLOGUE();
EXTI->PR2 = (1 << 1);
EXTD1.config->channels[33].cb(&EXTD1, 33);
CH_IRQ_EPILOGUE();
OSAL_IRQ_EPILOGUE();
}
#endif
@ -357,36 +356,21 @@ CH_IRQ_HANDLER(RTC_WKUP_IRQHandler) {
*/
void ext_lld_exti_irq_enable(void) {
nvicEnableVector(EXTI0_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI0_IRQ_PRIORITY));
nvicEnableVector(EXTI1_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI1_IRQ_PRIORITY));
nvicEnableVector(EXTI2_TS_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI2_IRQ_PRIORITY));
nvicEnableVector(EXTI3_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI3_IRQ_PRIORITY));
nvicEnableVector(EXTI4_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI4_IRQ_PRIORITY));
nvicEnableVector(EXTI9_5_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI5_9_IRQ_PRIORITY));
nvicEnableVector(EXTI15_10_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI10_15_IRQ_PRIORITY));
nvicEnableVector(PVD_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI16_IRQ_PRIORITY));
nvicEnableVector(RTC_Alarm_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI17_IRQ_PRIORITY));
nvicEnableVector(USBWakeUp_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI18_IRQ_PRIORITY));
nvicEnableVector(TAMPER_STAMP_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI19_IRQ_PRIORITY));
nvicEnableVector(RTC_WKUP_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI20_IRQ_PRIORITY));
nvicEnableVector(COMP1_2_3_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI21_22_29_IRQ_PRIORITY));
nvicEnableVector(COMP4_5_6_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI30_32_IRQ_PRIORITY));
nvicEnableVector(COMP7_IRQn,
CORTEX_PRIORITY_MASK(STM32_EXT_EXTI33_IRQ_PRIORITY));
nvicEnableVector(EXTI0_IRQn, STM32_EXT_EXTI0_IRQ_PRIORITY);
nvicEnableVector(EXTI1_IRQn, STM32_EXT_EXTI1_IRQ_PRIORITY);
nvicEnableVector(EXTI2_TS_IRQn, STM32_EXT_EXTI2_IRQ_PRIORITY);
nvicEnableVector(EXTI3_IRQn, STM32_EXT_EXTI3_IRQ_PRIORITY);
nvicEnableVector(EXTI4_IRQn, STM32_EXT_EXTI4_IRQ_PRIORITY);
nvicEnableVector(EXTI9_5_IRQn, STM32_EXT_EXTI5_9_IRQ_PRIORITY);
nvicEnableVector(EXTI15_10_IRQn, STM32_EXT_EXTI10_15_IRQ_PRIORITY);
nvicEnableVector(PVD_IRQn, STM32_EXT_EXTI16_IRQ_PRIORITY);
nvicEnableVector(RTC_Alarm_IRQn, STM32_EXT_EXTI17_IRQ_PRIORITY);
nvicEnableVector(USBWakeUp_IRQn, STM32_EXT_EXTI18_IRQ_PRIORITY);
nvicEnableVector(TAMPER_STAMP_IRQn, STM32_EXT_EXTI19_IRQ_PRIORITY);
nvicEnableVector(RTC_WKUP_IRQn, STM32_EXT_EXTI20_IRQ_PRIORITY);
nvicEnableVector(COMP1_2_3_IRQn, STM32_EXT_EXTI21_22_29_IRQ_PRIORITY);
nvicEnableVector(COMP4_5_6_IRQn, STM32_EXT_EXTI30_32_IRQ_PRIORITY);
nvicEnableVector(COMP7_IRQn, STM32_EXT_EXTI33_IRQ_PRIORITY);
}
/**

204
os/hal/src/ext.c Normal file
View File

@ -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 <http://www.gnu.org/licenses/>.
*/
/**
* @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 */
/** @} */