add modbus slave support
add modbus slave support
This commit is contained in:
Supowang1989
232
components/connectivity/Modbus/3rdparty/freemodbus-v1.6/demo/STR71XTCP/library/rtc.c
vendored
Normal file
232
components/connectivity/Modbus/3rdparty/freemodbus-v1.6/demo/STR71XTCP/library/rtc.c
vendored
Normal file
@@ -0,0 +1,232 @@
|
||||
/******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
|
||||
* File Name : rtc.c
|
||||
* Author : MCD Application Team
|
||||
* Date First Issued : 09/30/2003
|
||||
* Description : This file provides all the RTC software functions
|
||||
********************************************************************************
|
||||
* History:
|
||||
* 24/05/2005 : V3.0
|
||||
* 30/11/2004 : V2.0
|
||||
* 14/07/2004 : V1.3
|
||||
* 01/01/2004 : V1.2
|
||||
*******************************************************************************
|
||||
THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH
|
||||
CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
|
||||
AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT
|
||||
OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
|
||||
OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
|
||||
CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
|
||||
*******************************************************************************/
|
||||
|
||||
#include "rtc.h"
|
||||
|
||||
// Global interrupt
|
||||
#define RTC_GI_Mask 0x0008
|
||||
#define RTC_GI_Index 3
|
||||
|
||||
// OverFlow interrupt
|
||||
#define RTC_OWI_Mask 0x0004
|
||||
#define RTC_OWI_Index 2
|
||||
|
||||
// Alarm interrupt
|
||||
#define RTC_AI_Mask 0x0002
|
||||
#define RTC_AI_Index 1
|
||||
|
||||
// Second interrupt
|
||||
#define RTC_SI_Mask 0x0001
|
||||
|
||||
// Configuration Flag Mask
|
||||
#define RTC_CNF_Mask 0x0010
|
||||
|
||||
// Operation OFF flag
|
||||
#define RTC_RTOFF_Mask 0x0020
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : RTC_Delay
|
||||
* Description : This routine is used to insert a delay
|
||||
* Input : None
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void RTC_Delay( void )
|
||||
{
|
||||
u16 _Tmp;
|
||||
for (_Tmp = 0x0; _Tmp < 0x7F; _Tmp ++);
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : RTC_CounterConfig
|
||||
* Description : This routine is used to update the RTC counter value
|
||||
* Input : The new counter value.
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void RTC_CounterConfig (u32 CounterValue)
|
||||
{
|
||||
/* Wait For Last Task Completition */
|
||||
RTC_WaitForLastTask();
|
||||
|
||||
/* Enter to configuration mode */
|
||||
RTC_EnterCfgMode();
|
||||
|
||||
/* Wait For Last Task Completition */
|
||||
RTC_WaitForLastTask();
|
||||
|
||||
/* Update the RTC counter register with the new time and date */
|
||||
/* Update the CNTL register */
|
||||
RTC->CNTL = (u16)CounterValue;
|
||||
|
||||
/* Wait For Last Task Completition */
|
||||
RTC_WaitForLastTask();
|
||||
|
||||
/* Update the CNTH register */
|
||||
RTC->CNTH = (u16)(CounterValue >> 16);
|
||||
|
||||
/* Wait For Last Task Completition */
|
||||
RTC_WaitForLastTask();
|
||||
|
||||
/* Exit From Configuration Mode */
|
||||
RTC_ExitCfgMode ();
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : RTC_PrescalerConfig
|
||||
* Description : This routine is used to set the Prescaler Value
|
||||
* Input : The New prescaler Value
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void RTC_PrescalerConfig (u32 Xprescaler)
|
||||
{
|
||||
if ( RTC_PrescalerValue () != Xprescaler )
|
||||
{
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask ();
|
||||
// Enter In Configuration Mode
|
||||
RTC_EnterCfgMode ();
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Set the prescaler MSB part
|
||||
RTC->PRLH = (Xprescaler & 0x000F0000) >> 16;
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Set the prescaler LSB part
|
||||
RTC->PRLL = (Xprescaler & 0x0000FFFF);
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Exit From Configuration Mode
|
||||
RTC_ExitCfgMode ();
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask ();
|
||||
}
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : RTC_AlarmConfig
|
||||
* Description : This routine is used to set the RTC alarm Value
|
||||
* Input : an u32 value that holds the Real Time clock alarm time.
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void RTC_AlarmConfig (u32 Xalarm)
|
||||
{
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask ();
|
||||
// Enter In Configuration Mode
|
||||
RTC_EnterCfgMode ();
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Set The MSB part of the Alarm Time
|
||||
RTC->ALRH = (Xalarm & 0xFFFF0000) >> 16;
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Set The LSB part of the Alarm Time
|
||||
RTC->ALRL = (Xalarm & 0x0000FFFF);
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Exit From Configuration Mode
|
||||
RTC_ExitCfgMode ();
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask ();
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : RTC_FlagClear
|
||||
* Description : This routine is used to clear the RTC flags
|
||||
* Input : an RTC flag
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void RTC_FlagClear (RTC_FLAGS Xflag)
|
||||
{
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Enter In Configuration Mode
|
||||
RTC_EnterCfgMode();
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Clear an RTC flag
|
||||
RTC->CRL &= ~Xflag;
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Exit From Configuration Mode
|
||||
RTC_ExitCfgMode ();
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : RTC_ITClear
|
||||
* Description : This routine is used to clear the RTC interrupts
|
||||
* Input : an RTC interrupt
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void RTC_ITClear (RTC_IT Xrtcit)
|
||||
{
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask();
|
||||
// Enter In Configuration Mode
|
||||
RTC_EnterCfgMode();
|
||||
// Clears an RTC interrupt
|
||||
RTC->CRL &= ~Xrtcit;
|
||||
// Exit From Configuration Mode
|
||||
RTC_ExitCfgMode ();
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask ();
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : RTC_EnterCfgMode
|
||||
* Description : This routine is used to enter in the Configuration Mode
|
||||
* Input : None
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void RTC_EnterCfgMode(void)
|
||||
{
|
||||
// Set the CNF flag to enter in the Configuration Mode
|
||||
RTC->CRL |= RTC_CNF_Mask;
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask ();
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : RTC_ExitCfgMode
|
||||
* Description : This routine is used to exit from the Configuration Mode
|
||||
* Input : None
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void RTC_ExitCfgMode(void)
|
||||
{
|
||||
// Reset the CNF flag to exit from the Configuration Mode
|
||||
RTC->CRL &= ~RTC_CNF_Mask;
|
||||
// Wait For Last Task Completion
|
||||
RTC_WaitForLastTask ();
|
||||
}
|
||||
|
||||
/*******************************************************************************
|
||||
* Function Name : RTC_WaitForLastTask
|
||||
* Description : This routine waits for the last task completion
|
||||
* Input : None
|
||||
* Return : None
|
||||
*******************************************************************************/
|
||||
void RTC_WaitForLastTask(void)
|
||||
{
|
||||
// Loop until the Last operation Completion
|
||||
while (!(RTC->CRL & RTC_RTOFF_Mask));
|
||||
}
|
||||
/******************* (C) COPYRIGHT 2003 STMicroelectronics *****END OF FILE****/
|
||||
Reference in New Issue
Block a user