?? 91x_vic.c
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/******************** (C) COPYRIGHT 2006 STMicroelectronics ********************
* File Name : 91x_vic.c
* Author : MCD Application Team
* Date First Issued : 05/18/2006 : Version 1.0
* Description : This file provides all the VIC software functions.
********************************************************************************
* History:
* 05/24/2006 : Version 1.1
* 05/18/2006 : Version 1.0
********************************************************************************
* 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.
*******************************************************************************/
/* Standard include ----------------------------------------------------------*/
#include "91x_vic.h"
/* Include of other module interface headers ---------------------------------*/
/* Local includes ------------------------------------------------------------*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define VIC_REGISTER_NUMBER 16
#define VIC_PROTECTION_ENABLE_MASK 0x1
#define VIC_PROTECTION_DISABLE_MASK 0xFFFFFFFE
#define VIC_VECTOR_ENABLE_MASK 0x20
#define VIC_IT_SOURCE_MASK 0xFFFFFFE0
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
static void VIC_ITModeConfig(u16 VIC_Source, VIC_ITLineMode VIC_LineMode);
static void VIC_ISRVectAddConfig(u16 VIC_Source, u16 VIC_Priority, \
void (*VIC_VectAddress)(void));
static void VIC_VectEnableConfig(u16 VIC_Source, u16 VIC_Priority);
static void VIC_ITSourceConfig(u16 VIC_Source, u16 VIC_Priority);
/* Interface functions -------------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : VIC_DeInit
* Description : Deinitialize the VIC module registers to their default reset
* values.
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void VIC_DeInit(void)
{
SCU_AHBPeriphReset(__VIC, ENABLE); /* VIC peripheral is under Reset */
SCU_AHBPeriphReset(__VIC, DISABLE); /* VIC peripheral Reset off */
}
/*******************************************************************************
* Function Name : VIC_GetIRQStatus
* Description : Get the status of interrupts after IRQ masking.
* Input : VIC_Source: specifies the number of the source line.
* This parameter can be one of the following values:
* - WDG_ITLine : VIC source 0
* - SW_ITLine : VIC source 1
* - ARMRX_ITLine : VIC source 2
* - ARMTX_ITLine : VIC source 3
* - TIM0_ITLine : VIC source 4
* - TIM1_ITLine : VIC source 5
* - TIM2_ITLine : VIC source 6
* - TIM3_ITLine : VIC source 7
* - USBHP_ITLine : VIC source 8
* - USBLP_ITLine : VIC source 9
* - SCU_ITLine : VIC source 10
* - ENET_ITLine : VIC source 11
* - DMA_ITLine : VIC source 12
* - CAN_ITLine : VIC source 13
* - MC_ITLine : VIC source 14
* - ADC_ITLine : VIC source 15
* - UART0_ITLine : VIC source 16
* - UART1_ITLine : VIC source 17
* - UART2_ITLine : VIC source 18
* - I2C0_ITLine : VIC source 19
* - I2C1_ITLine : VIC source 20
* - SSP0_ITLine : VIC source 21
* - SSP1_ITLine : VIC source 22
* - LVD_ITLine : VIC source 23
* - RTC_ITLine : VIC source 24
* - WIU_ITLine : VIC source 25
* - EXTIT0_ITLine: VIC source 26
* - EXTIT1_ITLine: VIC source 27
* - EXTIT2_ITLine: VIC source 28
* - EXTIT3_ITLine: VIC source 29
* - USBWU_ITLine : VIC source 30
* - PFQBC_ITLine : VIC source 31
* Output : None
* Return : The status of the IRQ interrupt after masking (SET or RESET).
*******************************************************************************/
FlagStatus VIC_GetIRQStatus(u16 VIC_Source)
{
u32 VIC_Mask = 1;
if (VIC_Source < VIC_REGISTER_NUMBER)
{
if ((VIC0->ISR | VIC_Mask << VIC_Source) != RESET)
return SET;
else
return RESET;
}
else
{
if ((VIC1->ISR | VIC_Mask << (VIC_Source - VIC_REGISTER_NUMBER)) != RESET)
return SET;
else
return RESET;
}
}
/*******************************************************************************
* Function Name : VIC_GetFIQStatus
* Description : Get the status of interrupts after FIQ masking
* Input : VIC_Source: specifies the number of the source line.
* This parameter can be one of the following values:
* - WDG_ITLine : VIC source 0
* - SW_ITLine : VIC source 1
* - ARMRX_ITLine : VIC source 2
* - ARMTX_ITLine : VIC source 3
* - TIM0_ITLine : VIC source 4
* - TIM1_ITLine : VIC source 5
* - TIM2_ITLine : VIC source 6
* - TIM3_ITLine : VIC source 7
* - USBHP_ITLine : VIC source 8
* - USBLP_ITLine : VIC source 9
* - SCU_ITLine : VIC source 10
* - ENET_ITLine : VIC source 11
* - DMA_ITLine : VIC source 12
* - CAN_ITLine : VIC source 13
* - MC_ITLine : VIC source 14
* - ADC_ITLine : VIC source 15
* - UART0_ITLine : VIC source 16
* - UART1_ITLine : VIC source 17
* - UART2_ITLine : VIC source 18
* - I2C0_ITLine : VIC source 19
* - I2C1_ITLine : VIC source 20
* - SSP0_ITLine : VIC source 21
* - SSP1_ITLine : VIC source 22
* - LVD_ITLine : VIC source 23
* - RTC_ITLine : VIC source 24
* - WIU_ITLine : VIC source 25
* - EXTIT0_ITLine: VIC source 26
* - EXTIT1_ITLine: VIC source 27
* - EXTIT2_ITLine: VIC source 28
* - EXTIT3_ITLine: VIC source 29
* - USBWU_ITLine : VIC source 30
* - PFQBC_ITLine : VIC source 31
* Output : None
* Return : The status of the FIQ interrupt after masking (SET or RESET)
*******************************************************************************/
FlagStatus VIC_GetFIQStatus(u16 VIC_Source)
{
u32 VIC_Mask = 1;
if (VIC_Source < VIC_REGISTER_NUMBER)
{
if ((VIC0->RINTSR | VIC_Mask << VIC_Source) != RESET)
return SET;
else
return RESET;
}
else
{
if ((VIC1->RINTSR | VIC_Mask << (VIC_Source - VIC_REGISTER_NUMBER)) != RESET)
return SET;
else
return RESET;
}
}
/*******************************************************************************
* Function Name : VIC_GetSourceITStatus
* Description : Get the status of the source interrupts before masking.
* Input : VIC_Source: specifies the number of the source line.
* This parameter can be one of the following values:
* - WDG_ITLine : VIC source 0
* - SW_ITLine : VIC source 1
* - ARMRX_ITLine : VIC source 2
* - ARMTX_ITLine : VIC source 3
* - TIM0_ITLine : VIC source 4
* - TIM1_ITLine : VIC source 5
* - TIM2_ITLine : VIC source 6
* - TIM3_ITLine : VIC source 7
* - USBHP_ITLine : VIC source 8
* - USBLP_ITLine : VIC source 9
* - SCU_ITLine : VIC source 10
* - ENET_ITLine : VIC source 11
* - DMA_ITLine : VIC source 12
* - CAN_ITLine : VIC source 13
* - MC_ITLine : VIC source 14
* - ADC_ITLine : VIC source 15
* - UART0_ITLine : VIC source 16
* - UART1_ITLine : VIC source 17
* - UART2_ITLine : VIC source 18
* - I2C0_ITLine : VIC source 19
* - I2C1_ITLine : VIC source 20
* - SSP0_ITLine : VIC source 21
* - SSP1_ITLine : VIC source 22
* - LVD_ITLine : VIC source 23
* - RTC_ITLine : VIC source 24
* - WIU_ITLine : VIC source 25
* - EXTIT0_ITLine: VIC source 26
* - EXTIT1_ITLine: VIC source 27
* - EXTIT2_ITLine: VIC source 28
* - EXTIT3_ITLine: VIC source 29
* - USBWU_ITLine : VIC source 30
* - PFQBC_ITLine : VIC source 31
* Output : None
* Return : The status of the source interrupt before masking
*******************************************************************************/
FlagStatus VIC_GetSourceITStatus(u16 VIC_Source)
{
u32 VIC_Mask = 1;
if (VIC_Source < VIC_REGISTER_NUMBER)
{
if ((VIC0->FSR | VIC_Mask << VIC_Source) != RESET)
return SET;
else
return RESET;
}
else
{
if ((VIC1->FSR | VIC_Mask << (VIC_Source - VIC_REGISTER_NUMBER)) != RESET)
return SET;
else
return RESET;
}
}
/*******************************************************************************
* Function Name : VIC_ITModeConfig
* Description : Select the type of interrupt (IRQ or FIQ)
* Input1 : VIC_Source: specifies the number of the source line.
* This parameter can be one of the following values:
* - WDG_ITLine : VIC source 0
* - SW_ITLine : VIC source 1
* - ARMRX_ITLine : VIC source 2
* - ARMTX_ITLine : VIC source 3
* - TIM0_ITLine : VIC source 4
* - TIM1_ITLine : VIC source 5
* - TIM2_ITLine : VIC source 6
* - TIM3_ITLine : VIC source 7
* - USBHP_ITLine : VIC source 8
* - USBLP_ITLine : VIC source 9
* - SCU_ITLine : VIC source 10
* - ENET_ITLine : VIC source 11
* - DMA_ITLine : VIC source 12
* - CAN_ITLine : VIC source 13
* - MC_ITLine : VIC source 14
* - ADC_ITLine : VIC source 15
* - UART0_ITLine : VIC source 16
* - UART1_ITLine : VIC source 17
* - UART2_ITLine : VIC source 18
* - I2C0_ITLine : VIC source 19
* - I2C1_ITLine : VIC source 20
* - SSP0_ITLine : VIC source 21
* - SSP1_ITLine : VIC source 22
* - LVD_ITLine : VIC source 23
* - RTC_ITLine : VIC source 24
* - WIU_ITLine : VIC source 25
* - EXTIT0_ITLine: VIC source 26
* - EXTIT1_ITLine: VIC source 27
* - EXTIT2_ITLine: VIC source 28
* - EXTIT3_ITLine: VIC source 29
* - USBWU_ITLine : VIC source 30
* - PFQBC_ITLine : VIC source 31
* Input2 : VIC_LineMode :specifies the type of interrupt of the source
* line. This parameter can be one of the following values:
* - VIC_IRQ: the correspondent line is configured as IRQ.
* - VIC_FIQ: the correspondent line is configured as FIQ.
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