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add ch32v307 risc-v support,IDE is MounRiver Studio

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supowang
2022-03-04 14:16:19 +08:00
parent 9de2090de9
commit 7375f16efc
88 changed files with 31620 additions and 0 deletions
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102
board/TencentOS_Tiny_CH32V307_EVB/Peripheral/src/ch32v30x_misc.c Normal file
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/********************************** (C) COPYRIGHT *******************************
* File Name : ch32v30x_misc.c
* Author : WCH
* Version : V1.0.0
* Date : 2021/06/06
* Description : This file provides all the miscellaneous firmware functions .
*********************************************************************************/
#include "ch32v30x_misc.h"
__IO uint32_t NVIC_Priority_Group = 0;
/******************************************************************************************
* Function Name : NVIC_PriorityGroupConfig
* Description : Configures the priority grouping: pre-emption priority and subpriority.
* Input : NVIC_PriorityGroup: specifies the priority grouping bits length.
* NVIC_PriorityGroup_0: 0 bits for pre-emption priority
* 4 bits for subpriority
* NVIC_PriorityGroup_1: 1 bits for pre-emption priority
* 3 bits for subpriority
* NVIC_PriorityGroup_2: 2 bits for pre-emption priority
* 2 bits for subpriority
* NVIC_PriorityGroup_3: 3 bits for pre-emption priority
* 1 bits for subpriority
* NVIC_PriorityGroup_4: 4 bits for pre-emption priority
* 0 bits for subpriority
* Return : None
*******************************************************************************************/
void NVIC_PriorityGroupConfig(uint32_t NVIC_PriorityGroup)
{
NVIC_Priority_Group = NVIC_PriorityGroup;
}
/******************************************************************************************
* Function Name : NVIC_Init
* Description : Initializes the NVIC peripheral according to the specified parameters in
* the NVIC_InitStruct.
* Input : NVIC_InitStruct: pointer to a NVIC_InitTypeDef structure that contains the
* configuration information for the specified NVIC peripheral.
* Return : None
*******************************************************************************************/
void NVIC_Init(NVIC_InitTypeDef* NVIC_InitStruct)
{
uint8_t tmppre = 0;
if(NVIC_Priority_Group == NVIC_PriorityGroup_0)
{
NVIC_SetPriority( NVIC_InitStruct->NVIC_IRQChannel, NVIC_InitStruct->NVIC_IRQChannelSubPriority<<4);
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_1)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority == 1)
{
NVIC_SetPriority( NVIC_InitStruct->NVIC_IRQChannel, (1<<7)|(NVIC_InitStruct->NVIC_IRQChannelSubPriority<<4));
}
else
{
NVIC_SetPriority( NVIC_InitStruct->NVIC_IRQChannel, (0<<7)|(NVIC_InitStruct->NVIC_IRQChannelSubPriority<<4));
}
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_2)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority <= 1)
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (4*NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority);
NVIC_SetPriority( NVIC_InitStruct->NVIC_IRQChannel, (0<<7)|(tmppre<<4));
}
else
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (4*(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority-2));
NVIC_SetPriority( NVIC_InitStruct->NVIC_IRQChannel, (1<<7)|(tmppre<<4));
}
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_3)
{
if(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority <= 3)
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (2*NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority);
NVIC_SetPriority( NVIC_InitStruct->NVIC_IRQChannel, (0<<7)|(tmppre<<4));
}
else
{
tmppre = NVIC_InitStruct->NVIC_IRQChannelSubPriority + (2*(NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority-4));
NVIC_SetPriority( NVIC_InitStruct->NVIC_IRQChannel, (1<<7)|(tmppre<<4));
}
}
else if(NVIC_Priority_Group == NVIC_PriorityGroup_4)
{
NVIC_SetPriority( NVIC_InitStruct->NVIC_IRQChannel, NVIC_InitStruct->NVIC_IRQChannelPreemptionPriority<<4);
}
if (NVIC_InitStruct->NVIC_IRQChannelCmd != DISABLE)
{
NVIC_EnableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
}
else
{
NVIC_DisableIRQ(NVIC_InitStruct->NVIC_IRQChannel);
}
}