123 lines
3.2 KiB
C
123 lines
3.2 KiB
C
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/*!
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\file gd32f4xx_dbg.c
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\brief DBG driver
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*/
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/*
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Copyright (C) 2016 GigaDevice
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2016-08-15, V1.0.0, firmware for GD32F4xx
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*/
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#include "gd32f4xx_dbg.h"
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/*!
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\brief read DBG_ID code register
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\param[in] none
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\param[out] none
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\retval DBG_ID code
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*/
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uint32_t dbg_id_get(void)
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{
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return DBG_ID;
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}
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/*!
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\brief enable low power behavior when the mcu is in debug mode
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\param[in] dbg_low_power:
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this parameter can be any combination of the following values:
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\arg DBG_LOW_POWER_SLEEP: keep debugger connection during sleep mode
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\arg DBG_LOW_POWER_DEEPSLEEP: keep debugger connection during deepsleep mode
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\arg DBG_LOW_POWER_STANDBY: keep debugger connection during standby mode
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\param[out] none
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\retval none
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*/
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void dbg_low_power_enable(uint32_t dbg_low_power)
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{
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DBG_CTL0 |= dbg_low_power;
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}
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/*!
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\brief disable low power behavior when the mcu is in debug mode
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\param[in] dbg_low_power:
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this parameter can be any combination of the following values:
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\arg DBG_LOW_POWER_SLEEP: donot keep debugger connection during sleep mode
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\arg DBG_LOW_POWER_DEEPSLEEP: donot keep debugger connection during deepsleep mode
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\arg DBG_LOW_POWER_STANDBY: donot keep debugger connection during standby mode
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\param[out] none
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\retval none
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*/
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void dbg_low_power_disable(uint32_t dbg_low_power)
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{
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DBG_CTL0 &= ~dbg_low_power;
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}
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/*!
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\brief enable peripheral behavior when the mcu is in debug mode
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\param[in] dbg_periph: dbg_periph_enum
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\param[out] none
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\retval none
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*/
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void dbg_periph_enable(dbg_periph_enum dbg_periph)
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{
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if(RESET == ((uint32_t)dbg_periph & BIT(30))){
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DBG_CTL1 |= (uint32_t)dbg_periph;
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}else{
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DBG_CTL2 |= ((uint32_t)dbg_periph & (~BIT(30)));
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}
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}
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/*!
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\brief disable peripheral behavior when the mcu is in debug mode
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\param[in] dbg_periph: dbg_periph_enum
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\param[out] none
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\retval none
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*/
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void dbg_periph_disable(dbg_periph_enum dbg_periph)
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{
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if(RESET == ((uint32_t)dbg_periph & BIT(30))){
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DBG_CTL1 &= ~(uint32_t)dbg_periph;
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}else{
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DBG_CTL2 &= ~((uint32_t)dbg_periph & (~BIT(30)));
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}
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}
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/*!
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\brief enable trace pin assignment
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\param[in] none
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\param[out] none
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\retval none
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*/
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void dbg_trace_pin_enable(void)
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{
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DBG_CTL0 |= DBG_CTL0_TRACE_IOEN;
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}
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/*!
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\brief disable trace pin assignment
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\param[in] none
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\param[out] none
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\retval none
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*/
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void dbg_trace_pin_disable(void)
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{
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DBG_CTL0 &= ~DBG_CTL0_TRACE_IOEN;
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}
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/*!
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\brief trace pin mode selection
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\param[in] trace_mode:
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\arg TRACE_MODE_ASYNC: trace pin used for async mode
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\arg TRACE_MODE_SYNC_DATASIZE_1: trace pin used for sync mode and data size is 1
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\arg TRACE_MODE_SYNC_DATASIZE_2: trace pin used for sync mode and data size is 2
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\arg TRACE_MODE_SYNC_DATASIZE_4: trace pin used for sync mode and data size is 4
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\param[out] none
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\retval none
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*/
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void dbg_trace_pin_mode_set(uint32_t trace_mode)
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{
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DBG_CTL0 &= ~DBG_CTL0_TRACE_MODE;
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DBG_CTL0 |= trace_mode;
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}
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