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/*!
\file gd32f30x_dbg.c
\brief DBG driver
*/
/*
Copyright (C) 2017 GigaDevice
2017-02-10, V1.0.0, firmware for GD32F30x
*/
#include "gd32f30x_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:
this parameter can be any combination of the following values:
\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_CTL0 |= dbg_low_power;
}
/*!
\brief disable low power behavior when the mcu is in debug mode
\param[in] dbg_low_power:
this parameter can be any combination of the following values:
\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_CTL0 &= ~dbg_low_power;
}
/*!
\brief enable peripheral behavior when the mcu is in debug mode
\param[in] dbg_periph: refer to dbg_periph_enum
only one parameter can be selected which is 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,CAN1 is only available for CL series): 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=0,1,2,3,4,5,6,7,8,9,10,11,12,13,TIMER8..13 are not available for HD series): hold TIMERx counter when core is halted
\param[out] none
\retval none
*/
void dbg_periph_enable(dbg_periph_enum dbg_periph)
{
DBG_CTL0 |= (uint32_t)dbg_periph;
}
/*!
\brief disable peripheral behavior when the mcu is in debug mode
\param[in] dbg_periph: refer to dbg_periph_enum
only one parameter can be selected which is 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,CAN1 is only available for CL series): 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=0,1,2,3,4,5,6,7,8,9,10,11,12,13,TIMER8..13 are not available for HD series): hold TIMERx counter when core is halted
\param[out] none
\retval none
*/
void dbg_periph_disable(dbg_periph_enum dbg_periph)
{
DBG_CTL0 &= ~(uint32_t)dbg_periph;
}
/*!
\brief enable trace pin assignment
\param[in] none
\param[out] none
\retval none
*/
void dbg_trace_pin_enable(void)
{
DBG_CTL0 |= DBG_CTL0_TRACE_IOEN;
}
/*!
\brief disable trace pin assignment
\param[in] none
\param[out] none
\retval none
*/
void dbg_trace_pin_disable(void)
{
DBG_CTL0 &= ~DBG_CTL0_TRACE_IOEN;
}
/*!
\brief trace pin mode selection
\param[in] trace_mode:
\arg TRACE_MODE_ASYNC: trace pin used for async mode
\arg TRACE_MODE_SYNC_DATASIZE_1: trace pin used for sync mode and data size is 1
\arg TRACE_MODE_SYNC_DATASIZE_2: trace pin used for sync mode and data size is 2
\arg TRACE_MODE_SYNC_DATASIZE_4: trace pin used for sync mode and data size is 4
\param[out] none
\retval none
*/
void dbg_trace_pin_mode_set(uint32_t trace_mode)
{
DBG_CTL0 &= ~DBG_CTL0_TRACE_MODE;
DBG_CTL0 |= trace_mode;
}
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