WCH_CH32V307/Peripheral/src/ch32v30x_dbgmcu.c

126 lines
3.6 KiB
C

/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_dbgmcu.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the DBGMCU firmware functions.
*********************************************************************************
* Copyright (c) 2021 Nanjing Qinheng Microelectronics Co., Ltd.
* Attention: This software (modified or not) and binary are used for
* microcontroller manufactured by Nanjing Qinheng Microelectronics.
*******************************************************************************/
#include "ch32v30x_dbgmcu.h"
#define IDCODE_DEVID_MASK ((uint32_t)0x0000FFFF)
/*********************************************************************
* @fn DBGMCU_GetREVID
*
* @brief Returns the device revision identifier.
*
* @return Revision identifier.
*/
uint32_t DBGMCU_GetREVID(void)
{
return ((*(uint32_t *)0x1FFFF704) >> 16);
}
/*********************************************************************
* @fn DBGMCU_GetDEVID
*
* @brief Returns the device identifier.
*
* @return Device identifier.
*/
uint32_t DBGMCU_GetDEVID(void)
{
return ((*(uint32_t *)0x1FFFF704) & IDCODE_DEVID_MASK);
}
/*********************************************************************
* @fn __get_DEBUG_CR
*
* @brief Return the DEBUGE Control Register
*
* @return DEBUGE Control value
*/
uint32_t __get_DEBUG_CR(void)
{
uint32_t result;
__asm volatile("csrr %0,""0x7C0" : "=r"(result));
return (result);
}
/*********************************************************************
* @fn __set_DEBUG_CR
*
* @brief Set the DEBUGE Control Register
*
* @param value - set DEBUGE Control value
*
* @return none
*/
void __set_DEBUG_CR(uint32_t value)
{
__asm volatile("csrw 0x7C0, %0" : : "r"(value));
}
/*********************************************************************
* @fn DBGMCU_Config
*
* @brief Configures the specified peripheral and low power mode behavior
* when the MCU under Debug mode.
*
* @param DBGMCU_Periph - specifies the peripheral and low power mode.
* DBGMCU_IWDG_STOP - Debug IWDG stopped when Core is halted
* DBGMCU_WWDG_STOP - Debug WWDG stopped when Core is halted
* DBGMCU_TIM1_STOP - TIM1 counter stopped when Core is halted
* DBGMCU_TIM2_STOP - TIM2 counter stopped when Core is halted
* NewState - ENABLE or DISABLE.
*
* @return none
*/
void DBGMCU_Config(uint32_t DBGMCU_Periph, FunctionalState NewState)
{
uint32_t val;
if(NewState != DISABLE)
{
__set_DEBUG_CR(DBGMCU_Periph);
}
else
{
val = __get_DEBUG_CR();
val &= ~(uint32_t)DBGMCU_Periph;
__set_DEBUG_CR(val);
}
}
/*********************************************************************
* @fn DBGMCU_GetCHIPID
*
* @brief Returns the CHIP identifier.
*
* @return Device identifier.
* ChipID List-
* CH32V303CBT6-0x303305x4
* CH32V303RBT6-0x303205x4
* CH32V303RCT6-0x303105x4
* CH32V303VCT6-0x303005x4
* CH32V305FBP6-0x305205x8
* CH32V305RBT6-0x305005x8
* CH32V305GBU6-0x305B05x8
* CH32V307WCU6-0x307305x8
* CH32V307FBP6-0x307205x8
* CH32V307RCT6-0x307105x8
* CH32V307VCT6-0x307005x8
*/
uint32_t DBGMCU_GetCHIPID( void )
{
return( *( uint32_t * )0x1FFFF704 );
}