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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ARM7_STR75x_IAR/] [STLibrary/] [src/] [75x_extit.c] - Blame information for rev 819

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/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name          : 75x_extit.c
* Author             : MCD Application Team
* Date First Issued  : 03/10/2006
* Description        : This file provides all the EXTIT software functions.
********************************************************************************
* History:
* 07/17/2006 : V1.0
* 03/10/2006 : V0.1
********************************************************************************
* 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.
*******************************************************************************/
 
/* Includes ------------------------------------------------------------------*/
#include "75x_extit.h"
#include "75x_mrcc.h"
 
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
 
/*******************************************************************************
* Function Name  : EXTIT_DeInit
* Description    : Deinitializes the EXTIT peripheral registers to their default
*                  reset values.
* Input          : None
* Output         : None
* Return         : None
*******************************************************************************/
void EXTIT_DeInit(void)
{
  MRCC_PeripheralSWResetConfig(MRCC_Peripheral_EXTIT,ENABLE);
  MRCC_PeripheralSWResetConfig(MRCC_Peripheral_EXTIT,DISABLE);
}
 
/*******************************************************************************
* Function Name  : EXTIT_Init
* Description    : Initializes the EXTIT peripheral according to the specified
*                  parameters in the EXTIT_InitStruct .
* Input          : - EXTIT_InitStruct: pointer to a EXTIT_InitTypeDef structure
*                    that contains the configuration information for the EXTIT
*                    peripheral.
* Output         : None
* Return         : None
*******************************************************************************/
void EXTIT_Init(EXTIT_InitTypeDef* EXTIT_InitStruct)
{
  if(EXTIT_InitStruct->EXTIT_ITLineCmd == ENABLE)
  {
    /* Enable the selected external interrupts */
    EXTIT->MR |= EXTIT_InitStruct->EXTIT_ITLine;
 
    /* Select the trigger for the selected external interrupts */
    if(EXTIT_InitStruct->EXTIT_ITTrigger == EXTIT_ITTrigger_Falling)
    {
      /* Falling edge */
      EXTIT->TSR &= ~EXTIT_InitStruct->EXTIT_ITLine;
    }
    else if (EXTIT_InitStruct->EXTIT_ITTrigger == EXTIT_ITTrigger_Rising)
    {
      /* Rising edge */
      EXTIT->TSR |= EXTIT_InitStruct->EXTIT_ITLine;
    }
  }
  else if(EXTIT_InitStruct->EXTIT_ITLineCmd == DISABLE)
  {
    /* Disable the selected external interrupts */
    EXTIT->MR &= ~EXTIT_InitStruct->EXTIT_ITLine;
  }
}
 
/*******************************************************************************
* Function Name  : EXTIT_StructInit
* Description    : Fills each EXTIT_InitStruct member with its reset value.
* Input          : - EXTIT_InitStruct: pointer to a EXTIT_InitTypeDef structure
*                    which will be initialized.
* Output         : None
* Return         : None
*******************************************************************************/
void EXTIT_StructInit(EXTIT_InitTypeDef* EXTIT_InitStruct)
{
  EXTIT_InitStruct->EXTIT_ITLine = EXTIT_ITLineNone;
  EXTIT_InitStruct->EXTIT_ITTrigger = EXTIT_ITTrigger_Falling;
  EXTIT_InitStruct->EXTIT_ITLineCmd = DISABLE;
}
 
/*******************************************************************************
* Function Name  : EXTIT_GenerateSWInterrupt
* Description    : Generates a Software interrupt.
* Input          : - EXTIT_ITLine: specifies the EXTIT lines to be enabled or
*                    disabled. This parameter can be:
*                     - EXTIT_ITLinex: External interrupt line x where x(0..15)
* Output         : None
* Return         : None
*******************************************************************************/
void EXTIT_GenerateSWInterrupt(u16 EXTIT_ITLine)
{
  EXTIT->SWIR |= EXTIT_ITLine;
}
 
/*******************************************************************************
* Function Name  : EXTIT_GetFlagStatus
* Description    : Checks whether the specified EXTIT line flag is set or not.
* Input          : - EXTIT_ITLine: specifies the EXTIT lines flag to check.
*                    This parameter can be:
*                     - EXTIT_ITLinex: External interrupt line x where x(0..15)
* Output         : None
* Return         : The new state of EXTIT_ITLine (SET or RESET).
*******************************************************************************/
FlagStatus EXTIT_GetFlagStatus(u16 EXTIT_ITLine)
{
  if((EXTIT->PR & EXTIT_ITLine) != RESET)
  {
    return SET;
  }
  else
  {
    return RESET;
  }
}
 
/*******************************************************************************
* Function Name  : EXTIT_ClearFlag
* Description    : Clears the EXTIT�s line pending flags.
* Input          : - EXTIT_ITLine: specifies the EXTIT lines flags to clear.
*                    This parameter can be:
*                     - EXTIT_ITLinex: External interrupt line x where x(0..15)
* Output         : None
* Return         : None
*******************************************************************************/
void EXTIT_ClearFlag(u16 EXTIT_ITLine)
{
  EXTIT->PR = EXTIT_ITLine;
}
 
/*******************************************************************************
* Function Name  : EXTIT_GetITStatus
* Description    : Checks whether the specified EXTIT line is asserted or not.
* Input          : - EXTIT_ITLine: specifies the EXTIT lines to check.
*                    This parameter can be:
*                     - EXTIT_ITLinex: External interrupt line x where x(0..15)
* Output         : None
* Return         : The new state of EXTIT_ITLine (SET or RESET).
*******************************************************************************/
ITStatus EXTIT_GetITStatus(u16 EXTIT_ITLine)
{
  if(((EXTIT->PR & EXTIT_ITLine) != RESET)&& ((EXTIT->MR & EXTIT_ITLine) != RESET))
  {
    return SET;
  }
  else
  {
    return RESET;
  }
}
 
/*******************************************************************************
* Function Name  : EXTIT_ClearITPendingBit
* Description    : Clears the EXTIT�s line pending bits.
* Input          : - EXTIT_ITLine: specifies the EXTIT lines to clear.
*                    This parameter can be:
*                     - EXTIT_ITLinex: External interrupt line x where x(0..15)
* Output         : None
* Return         : None
*******************************************************************************/
void EXTIT_ClearITPendingBit(u16 EXTIT_ITLine)
{
  EXTIT->PR = EXTIT_ITLine;
}
 
/******************* (C) COPYRIGHT 2006 STMicroelectronics *****END OF FILE****/

Line No.	Rev	Author	Line
1	577	jeremybenn	`/****************** (C) COPYRIGHT 2006 STMicroelectronics ******************`
2			`* File Name : 75x_extit.c`
3			`* Author : MCD Application Team`
4			`* Date First Issued : 03/10/2006`
5			`* Description : This file provides all the EXTIT software functions.`
6			`********************************************************************************`
7			`* History:`
8			`* 07/17/2006 : V1.0`
9			`* 03/10/2006 : V0.1`
10			`********************************************************************************`
11			`* THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS`
12			`* WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.`
13			`* AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT,`
14			`* INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE`
15			`* CONTENT OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING`
16			`* INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.`
17			`*******************************************************************************/`
18
19			`/* Includes ------------------------------------------------------------------*/`
20			`#include "75x_extit.h"`
21			`#include "75x_mrcc.h"`
22
23			`/* Private typedef -----------------------------------------------------------*/`
24			`/* Private define ------------------------------------------------------------*/`
25			`/* Private macro -------------------------------------------------------------*/`
26			`/* Private variables ---------------------------------------------------------*/`
27			`/* Private function prototypes -----------------------------------------------*/`
28			`/* Private functions ---------------------------------------------------------*/`
29
30			`/*******************************************************************************`
31			`* Function Name : EXTIT_DeInit`
32			`* Description : Deinitializes the EXTIT peripheral registers to their default`
33			`* reset values.`
34			`* Input : None`
35			`* Output : None`
36			`* Return : None`
37			`*******************************************************************************/`
38			`void EXTIT_DeInit(void)`
39			`{`
40			`MRCC_PeripheralSWResetConfig(MRCC_Peripheral_EXTIT,ENABLE);`
41			`MRCC_PeripheralSWResetConfig(MRCC_Peripheral_EXTIT,DISABLE);`
42			`}`
43
44			`/*******************************************************************************`
45			`* Function Name : EXTIT_Init`
46			`* Description : Initializes the EXTIT peripheral according to the specified`
47			`* parameters in the EXTIT_InitStruct .`
48			`* Input : - EXTIT_InitStruct: pointer to a EXTIT_InitTypeDef structure`
49			`* that contains the configuration information for the EXTIT`
50			`* peripheral.`
51			`* Output : None`
52			`* Return : None`
53			`*******************************************************************************/`
54			`void EXTIT_Init(EXTIT_InitTypeDef* EXTIT_InitStruct)`
55			`{`
56			`if(EXTIT_InitStruct->EXTIT_ITLineCmd == ENABLE)`
57			`{`
58			`/* Enable the selected external interrupts */`
59			`EXTIT->MR \|= EXTIT_InitStruct->EXTIT_ITLine;`
60
61			`/* Select the trigger for the selected external interrupts */`
62			`if(EXTIT_InitStruct->EXTIT_ITTrigger == EXTIT_ITTrigger_Falling)`
63			`{`
64			`/* Falling edge */`
65			`EXTIT->TSR &= ~EXTIT_InitStruct->EXTIT_ITLine;`
66			`}`
67			`else if (EXTIT_InitStruct->EXTIT_ITTrigger == EXTIT_ITTrigger_Rising)`
68			`{`
69			`/* Rising edge */`
70			`EXTIT->TSR \|= EXTIT_InitStruct->EXTIT_ITLine;`
71			`}`
72			`}`
73			`else if(EXTIT_InitStruct->EXTIT_ITLineCmd == DISABLE)`
74			`{`
75			`/* Disable the selected external interrupts */`
76			`EXTIT->MR &= ~EXTIT_InitStruct->EXTIT_ITLine;`
77			`}`
78			`}`
79
80			`/*******************************************************************************`
81			`* Function Name : EXTIT_StructInit`
82			`* Description : Fills each EXTIT_InitStruct member with its reset value.`
83			`* Input : - EXTIT_InitStruct: pointer to a EXTIT_InitTypeDef structure`
84			`* which will be initialized.`
85			`* Output : None`
86			`* Return : None`
87			`*******************************************************************************/`
88			`void EXTIT_StructInit(EXTIT_InitTypeDef* EXTIT_InitStruct)`
89			`{`
90			`EXTIT_InitStruct->EXTIT_ITLine = EXTIT_ITLineNone;`
91			`EXTIT_InitStruct->EXTIT_ITTrigger = EXTIT_ITTrigger_Falling;`
92			`EXTIT_InitStruct->EXTIT_ITLineCmd = DISABLE;`
93			`}`
94
95			`/*******************************************************************************`
96			`* Function Name : EXTIT_GenerateSWInterrupt`
97			`* Description : Generates a Software interrupt.`
98			`* Input : - EXTIT_ITLine: specifies the EXTIT lines to be enabled or`
99			`* disabled. This parameter can be:`
100			`* - EXTIT_ITLinex: External interrupt line x where x(0..15)`
101			`* Output : None`
102			`* Return : None`
103			`*******************************************************************************/`
104			`void EXTIT_GenerateSWInterrupt(u16 EXTIT_ITLine)`
105			`{`
106			`EXTIT->SWIR \|= EXTIT_ITLine;`
107			`}`
108
109			`/*******************************************************************************`
110			`* Function Name : EXTIT_GetFlagStatus`
111			`* Description : Checks whether the specified EXTIT line flag is set or not.`
112			`* Input : - EXTIT_ITLine: specifies the EXTIT lines flag to check.`
113			`* This parameter can be:`
114			`* - EXTIT_ITLinex: External interrupt line x where x(0..15)`
115			`* Output : None`
116			`* Return : The new state of EXTIT_ITLine (SET or RESET).`
117			`*******************************************************************************/`
118			`FlagStatus EXTIT_GetFlagStatus(u16 EXTIT_ITLine)`
119			`{`
120			`if((EXTIT->PR & EXTIT_ITLine) != RESET)`
121			`{`
122			`return SET;`
123			`}`
124			`else`
125			`{`
126			`return RESET;`
127			`}`
128			`}`
129
130			`/*******************************************************************************`
131			`* Function Name : EXTIT_ClearFlag`
132			`* Description : Clears the EXTIT�s line pending flags.`
133			`* Input : - EXTIT_ITLine: specifies the EXTIT lines flags to clear.`
134			`* This parameter can be:`
135			`* - EXTIT_ITLinex: External interrupt line x where x(0..15)`
136			`* Output : None`
137			`* Return : None`
138			`*******************************************************************************/`
139			`void EXTIT_ClearFlag(u16 EXTIT_ITLine)`
140			`{`
141			`EXTIT->PR = EXTIT_ITLine;`
142			`}`
143
144			`/*******************************************************************************`
145			`* Function Name : EXTIT_GetITStatus`
146			`* Description : Checks whether the specified EXTIT line is asserted or not.`
147			`* Input : - EXTIT_ITLine: specifies the EXTIT lines to check.`
148			`* This parameter can be:`
149			`* - EXTIT_ITLinex: External interrupt line x where x(0..15)`
150			`* Output : None`
151			`* Return : The new state of EXTIT_ITLine (SET or RESET).`
152			`*******************************************************************************/`
153			`ITStatus EXTIT_GetITStatus(u16 EXTIT_ITLine)`
154			`{`
155			`if(((EXTIT->PR & EXTIT_ITLine) != RESET)&& ((EXTIT->MR & EXTIT_ITLine) != RESET))`
156			`{`
157			`return SET;`
158			`}`
159			`else`
160			`{`
161			`return RESET;`
162			`}`
163			`}`
164
165			`/*******************************************************************************`
166			`* Function Name : EXTIT_ClearITPendingBit`
167			`* Description : Clears the EXTIT�s line pending bits.`
168			`* Input : - EXTIT_ITLine: specifies the EXTIT lines to clear.`
169			`* This parameter can be:`
170			`* - EXTIT_ITLinex: External interrupt line x where x(0..15)`
171			`* Output : None`
172			`* Return : None`
173			`*******************************************************************************/`
174			`void EXTIT_ClearITPendingBit(u16 EXTIT_ITLine)`
175			`{`
176			`EXTIT->PR = EXTIT_ITLine;`
177			`}`
178
179			`/***************** (C) COPYRIGHT 2006 STMicroelectronics *END OF FILE**/`

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[/] [openrisc/] [trunk/] [rtos/] [freertos-6.1.1/] [Demo/] [ARM7_STR75x_IAR/] [STLibrary/] [src/] [75x_extit.c] - Blame information for rev 819