mirror of https://github.com/rusefi/ChibiOS.git
Added SMC related sources.
git-svn-id: svn://svn.code.sf.net/p/chibios/svn/trunk@11311 35acf78f-673a-0410-8e92-d51de3d6d3f4
This commit is contained in:
isiora
parent
1c10a0845b
commit
6dd5434799
|
|
@ -0,0 +1,150 @@
|
|||
/*
|
||||
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS.
|
||||
|
||||
ChibiOS 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 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 chsmc.c
|
||||
* @brief smc call module code.
|
||||
*
|
||||
* @addtogroup SMC
|
||||
* @{
|
||||
*/
|
||||
#include <string.h>
|
||||
|
||||
#include "ch.h"
|
||||
#include "chsmc.h"
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module local definitions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module exported variables. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module local types. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module local variables. */
|
||||
/*===========================================================================*/
|
||||
static memory_pool_t svcs_pool;
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module local functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module exported functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/**
|
||||
* @brief XXX Module initialization.
|
||||
* @note This function is implicitly invoked on system initialization,
|
||||
* there is no need to explicitly initialize the module.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
void _smc_init(void) {
|
||||
chPoolObjectInit(&svcs_pool, sizeof (smc_service_t),
|
||||
chCoreAllocAlignedI);
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief The trusted service call entry point.
|
||||
* @post A request is passed to the thread registered for the service.
|
||||
* @post The service thread is resumed, if necessary.
|
||||
*
|
||||
* @param[in] svc_handle the handle of the service to be invoked
|
||||
* @param[in] svc_data service request data, often a reference to a more complex structure
|
||||
*
|
||||
* @return a value defined by the service.
|
||||
* @retval MSG_OK a success value.
|
||||
* @retval MSG_RESET if the service is unavailable.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
msg_t smcEntry(registered_object_t svc_handle, void *svc_data) {
|
||||
msg_t r;
|
||||
|
||||
asm("bkpt #0\n\t");
|
||||
chDbgAssert(_ns_thread == NULL, "main thread consistency");
|
||||
|
||||
chSysLock();
|
||||
r = chThdSuspendS(&_ns_thread);
|
||||
_ns_thread = NULL;
|
||||
chSysUnlock();
|
||||
return r;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief Register the calling thread as a manager of the given service @p svc_name.
|
||||
* @post The current thread is registered as manager for @p svc_name service.
|
||||
* Only a thread will be the manager of the service @p svc_name.
|
||||
*
|
||||
* @param[in] svc_name the name of the service.
|
||||
*
|
||||
* @return A new allocated service object.
|
||||
* @retval NULL if @p svc_name failed to be registered.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
smc_service_t *smcRegisterMeAsService(const char *svc_name)
|
||||
{
|
||||
registered_object_t *rop;
|
||||
|
||||
smc_service_t *svcp = chPoolAlloc(&svcs_pool);
|
||||
svcp->svct = chThdGetSelfX();
|
||||
memset(svcp->params, 0, sizeof svcp->params);
|
||||
rop = chFactoryRegisterObject(svc_name, svcp);
|
||||
if (rop == NULL) {
|
||||
chPoolFree(&svcs_pool, svcp);
|
||||
return NULL;
|
||||
}
|
||||
return svcp;
|
||||
}
|
||||
|
||||
/**
|
||||
* @brief The calling thread is a service and wait the arrival of a request.
|
||||
* @post
|
||||
*
|
||||
* @param[in] svc_name the name of the service
|
||||
* @param[in] svc_number the number of the service
|
||||
*
|
||||
* @return the
|
||||
* @retval SMC_SVC_OK a success value.
|
||||
* @retval SMC_SVC_MANAGED if the service @p scv_name already exists.
|
||||
*
|
||||
* @notapi
|
||||
*/
|
||||
msg_t smcServiceWaitRequest(smc_service_t *svcp)
|
||||
{
|
||||
msg_t r;
|
||||
|
||||
chDbgCheck(svcp != NULL);
|
||||
|
||||
if (svcp->svct != chThdGetSelfX())
|
||||
return MSG_TIMEOUT;
|
||||
chSysLock();
|
||||
r = chThdSuspendTimeoutS(&svcp->svct, TIME_INFINITE);
|
||||
chSysUnlock();
|
||||
return r;
|
||||
}
|
||||
|
||||
/** @} */
|
||||
|
|
@ -0,0 +1,86 @@
|
|||
/*
|
||||
ChibiOS - Copyright (C) 2006..2016 Giovanni Di Sirio.
|
||||
|
||||
This file is part of ChibiOS.
|
||||
|
||||
ChibiOS 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 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 chsmc.h
|
||||
* @brief smc Module macros and structures.
|
||||
*
|
||||
* @addtogroup SMC
|
||||
* @{
|
||||
*/
|
||||
|
||||
#ifndef CHSMC_H
|
||||
#define CHSMC_H
|
||||
|
||||
#include "ch.h"
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module constants. */
|
||||
/*===========================================================================*/
|
||||
/*
|
||||
* Service registry errors
|
||||
*/
|
||||
#define SMC_SVC_OK MSG_RESET /* No error */
|
||||
#define SMC_SVC_MANAGED 0x01 /* The service is already managed by a thread */
|
||||
#define SMC_SVC_THREAD_EXIST 0x02 /* The thread already manages a service */
|
||||
#define SMC_SVC_THREAD_NOENT 0x03 /* The thread is not in the registry */
|
||||
|
||||
#define SMC_SVC_PARAMS_MAX_N 3 /* Max number of parameters for a service */
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module pre-compile time settings. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Derived constants and error checks. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module data structures and types. */
|
||||
/*===========================================================================*/
|
||||
typedef struct ch_smc_service {
|
||||
thread_reference_t svct;
|
||||
msg_t params[SMC_SVC_PARAMS_MAX_N];
|
||||
} smc_service_t;
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module macros. */
|
||||
/*===========================================================================*/
|
||||
|
||||
/*===========================================================================*/
|
||||
/* External declarations. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#ifdef __cplusplus
|
||||
extern "C" {
|
||||
#endif
|
||||
thread_reference_t _ns_thread;
|
||||
msg_t smc_entry(msg_t svc_number, void *svc_data);
|
||||
smc_service_t * smcRegisterMeAsService(const char *svc_name);
|
||||
#ifdef __cplusplus
|
||||
}
|
||||
#endif
|
||||
|
||||
/*===========================================================================*/
|
||||
/* Module inline functions. */
|
||||
/*===========================================================================*/
|
||||
|
||||
#endif /* CHSMC_H */
|
||||
|
||||
/** @} */
|
||||
Loading…
Reference in New Issue