194 lines
6.3 KiB
C
194 lines
6.3 KiB
C
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/********************************** (C) COPYRIGHT *******************************
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* File Name : CH57x_SYS.c
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* Author : WCH
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* Version : V1.0
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* Date : 2018/12/15
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* Description
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*******************************************************************************/
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#include "CH57x_common.h"
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/*******************************************************************************
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* Function Name : SYS_GetInfoSta
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* Description : 获取当前系统信息状态
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* Input : i:
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refer to SYS_InfoStaTypeDef
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* Return : DISABLE - 关闭
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ENABLE - 开启
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*******************************************************************************/
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UINT8 SYS_GetInfoSta( SYS_InfoStaTypeDef i )
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{
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if(i == STA_SAFEACC_ACT)
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return (R8_SAFE_ACCESS_SIG & RB_SAFE_ACC_ACT);
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else
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return (R8_GLOB_CFG_INFO&(1<<i));
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}
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/*******************************************************************************
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* Function Name : SYS_ResetExecute
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* Description : 执行系统软件复位
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* Input : None
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* Return : None
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*******************************************************************************/
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void SYS_ResetExecute( void )
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{
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
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R8_RST_WDOG_CTRL |= RB_SOFTWARE_RESET;
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R8_SAFE_ACCESS_SIG = 0;
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}
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/*******************************************************************************
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* Function Name : SYS_DisableAllIrq
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* Description : 关闭所有中断，并保留当前中断值
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* Input : pirqv：当前保留中断值
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* Return : None
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*******************************************************************************/
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void SYS_DisableAllIrq( PUINT32 pirqv)
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{
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*pirqv = NVIC->ISER[0];
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NVIC->ICER[0] = 0xffffffff;
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}
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/*******************************************************************************
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* Function Name : SYS_RecoverIrq
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* Description : 恢复之前关闭的中断值
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* Input : irq_status：当前保留中断值
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* Return : None
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*******************************************************************************/
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void SYS_RecoverIrq( UINT32 irq_status )
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{
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NVIC->ISER[0] = irq_status;
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}
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/*******************************************************************************
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* Function Name : SYS_GetSysTickCnt
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* Description : 获取当前系统(SYSTICK)计数值
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* Input : None
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* Return : 当前计数值
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*******************************************************************************/
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UINT32 SYS_GetSysTickCnt( void )
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{
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return(SysTick->VAL );
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}
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/*******************************************************************************
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* Function Name : WWDG_ITCfg
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* Description : 看门狗定时器溢出中断使能
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* Input : DISABLE-溢出不中断 ENABLE-溢出中断
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* Return : None
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*******************************************************************************/
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void WWDG_ITCfg( UINT8 s )
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{
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
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if(s == DISABLE) R8_RST_WDOG_CTRL&=~RB_WDOG_INT_EN;
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else R8_RST_WDOG_CTRL|=RB_WDOG_INT_EN;
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R8_SAFE_ACCESS_SIG = 0;
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}
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/*******************************************************************************
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* Function Name : WWDG_ResetCfg
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* Description : 看门狗定时器复位功能
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* Input : DISABLE-溢出不复位 ENABLE-溢出系统复位
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* Return : None
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*******************************************************************************/
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void WWDG_ResetCfg( UINT8 s )
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{
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
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if(s == DISABLE) R8_RST_WDOG_CTRL&=~RB_WDOG_RST_EN;
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else R8_RST_WDOG_CTRL|=RB_WDOG_RST_EN;
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R8_SAFE_ACCESS_SIG = 0;
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}
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/*******************************************************************************
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* Function Name : WWDG_ClearFlag
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* Description : 清除看门狗中断标志，重新加载计数值也可清除
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* Input : None
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* Return : None
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*******************************************************************************/
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void WWDG_ClearFlag( void )
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{
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG1;
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R8_SAFE_ACCESS_SIG = SAFE_ACCESS_SIG2;
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R8_RST_WDOG_CTRL |= RB_WDOG_INT_FLAG;
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R8_SAFE_ACCESS_SIG = 0;
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}
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/*******************************************************************************
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* Function Name : mDelayuS
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* Description : uS 延时
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* Input : t: 时间参数
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* Return : None
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*******************************************************************************/
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void mDelayuS( UINT16 t )
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{
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UINT16 i, j;
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for(j=0; j<t; j++)
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{
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#if (FREQ_SYS == 40000000)
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for(i=0; i<4; i++) __nop();
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#elif (FREQ_SYS == 32000000)
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i = 2;
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while(i--) { __nop(); __nop(); }
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#elif (FREQ_SYS == 24000000)
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i = 1;
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while(i--) { __nop(); __nop(); }
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#elif (FREQ_SYS == 20000000)
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for(i=0; i<1; i++) __nop();
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#elif (FREQ_SYS == 16000000)
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__nop(); __nop(); __nop(); __nop();
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__nop(); __nop(); __nop(); __nop(); __nop();
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#elif (FREQ_SYS == 8000000)
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__nop(); __nop();
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#endif
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}
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}
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/*******************************************************************************
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* Function Name : mDelaymS
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* Description : mS 延时
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* Input : t: 时间参数
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* Return : None
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*******************************************************************************/
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void mDelaymS( UINT16 t )
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{
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UINT16 i;
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for(i=0; i<t; i++)
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mDelayuS(1000);
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}
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#if( defined DEBUG)
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int fputc( int c, FILE *f )
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{
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#if DEBUG == Debug_UART0
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while( R8_UART0_TFC == UART_FIFO_SIZE ); /* 等待数据发送 */
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R8_UART0_THR = c; /* 发送数据 */
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#elif DEBUG == Debug_UART1
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while( R8_UART1_TFC == UART_FIFO_SIZE ); /* 等待数据发送 */
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R8_UART1_THR = c; /* 发送数据 */
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#elif DEBUG == Debug_UART2
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while( R8_UART2_TFC == UART_FIFO_SIZE ); /* 等待数据发送 */
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R8_UART2_THR = c; /* 发送数据 */
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#elif DEBUG == Debug_UART3
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while( R8_UART3_TFC == UART_FIFO_SIZE ); /* 等待数据发送 */
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R8_UART3_THR = c; /* 发送数据 */
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#endif
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return( c );
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}
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#endif
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