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/*!
\file gd32vf103_dbg.c
\brief DBG driver
\version 2019-06-05, V1.0.0, firmware for GD32VF103
*/
/*
Copyright (c) 2019, GigaDevice Semiconductor Inc.
Redistribution and use in source and binary forms, with or without modification,
are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright notice, this
list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright notice,
this list of conditions and the following disclaimer in the documentation
and/or other materials provided with the distribution.
3. Neither the name of the copyright holder nor the names of its contributors
may be used to endorse or promote products derived from this software without
specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS"
AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT,
INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR
PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY
OF SUCH DAMAGE.
*/
#include "gd32vf103_dbg.h"
/*!
\brief read DBG_ID code register
\param[in] none
\param[out] none
\retval DBG_ID code
*/
uint32_t dbg_id_get(void)
{
return DBG_ID;
}
/*!
\brief enable low power behavior when the mcu is in debug mode
\param[in] dbg_low_power:
one or more parameters can be selected which are shown as below:
\arg DBG_LOW_POWER_SLEEP: keep debugger connection during sleep mode
\arg DBG_LOW_POWER_DEEPSLEEP: keep debugger connection during deepsleep mode
\arg DBG_LOW_POWER_STANDBY: keep debugger connection during standby mode
\param[out] none
\retval none
*/
void dbg_low_power_enable(uint32_t dbg_low_power)
{
DBG_CTL |= dbg_low_power;
}
/*!
\brief disable low power behavior when the mcu is in debug mode
\param[in] dbg_low_power:
one or more parameters can be selected which are shown as below:
\arg DBG_LOW_POWER_SLEEP: donot keep debugger connection during sleep mode
\arg DBG_LOW_POWER_DEEPSLEEP: donot keep debugger connection during deepsleep mode
\arg DBG_LOW_POWER_STANDBY: donot keep debugger connection during standby mode
\param[out] none
\retval none
*/
void dbg_low_power_disable(uint32_t dbg_low_power)
{
DBG_CTL &= ~dbg_low_power;
}
/*!
\brief enable peripheral behavior when the mcu is in debug mode
\param[in] dbg_periph: refer to dbg_periph_enum
one or more parameters can be selected which are shown as below:
\arg DBG_FWDGT_HOLD : debug FWDGT kept when core is halted
\arg DBG_WWDGT_HOLD : debug WWDGT kept when core is halted
\arg DBG_CANx_HOLD (x=0,1): hold CANx counter when core is halted
\arg DBG_I2Cx_HOLD (x=0,1): hold I2Cx smbus when core is halted
\arg DBG_TIMERx_HOLD (x=0,1,2,3,4,5,6): hold TIMERx counter when core is halted
\param[out] none
\retval none
*/
void dbg_periph_enable(dbg_periph_enum dbg_periph)
{
DBG_CTL |= (uint32_t)dbg_periph;
}
/*!
\brief disable peripheral behavior when the mcu is in debug mode
\param[in] dbg_periph: refer to dbg_periph_enum
one or more parameters can be selected which are shown as below:
\arg DBG_FWDGT_HOLD : debug FWDGT kept when core is halted
\arg DBG_WWDGT_HOLD : debug WWDGT kept when core is halted
\arg DBG_CANx_HOLD (x=0,1): hold CAN0 counter when core is halted
\arg DBG_I2Cx_HOLD (x=0,1): hold I2Cx smbus when core is halted
\arg DBG_TIMERx_HOLD (x=0,1,2,3,4,5,6): hold TIMERx counter when core is halted
\param[out] none
\retval none
*/
void dbg_periph_disable(dbg_periph_enum dbg_periph)
{
DBG_CTL &= ~(uint32_t)dbg_periph;
}