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First version under SVN is V4.0.1
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Richard Barry
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199
Demo/ARM7_STR71x_IAR/Library/include/eic.h
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199
Demo/ARM7_STR71x_IAR/Library/include/eic.h
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/******************** (C) COPYRIGHT 2003 STMicroelectronics ********************
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* File Name : eic.h
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* Author : MCD Application Team
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* Date First Issued : 25/06/2003
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* Description : This file contains all the functions prototypes for the
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* EIC software library.
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********************************************************************************
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* History:
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* 30/11/2004 : V2.0
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* 14/07/2004 : V1.3
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* 01/01/2004 : V1.2
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*******************************************************************************
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THE PRESENT SOFTWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS WITH
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CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE TIME.
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AS A RESULT, STMICROELECTRONICS SHALL NOT BE HELD LIABLE FOR ANY DIRECT, INDIRECT
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OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM THE CONTENT
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OF SUCH SOFTWARE AND/OR THE USE MADE BY CUSTOMERS OF THE CODING INFORMATION
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CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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*******************************************************************************/
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#ifndef __eic_H
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#define __eic_H
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#include "71x_map.h"
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typedef enum
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{
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T0TIMI_IRQChannel = 0,
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FLASH_IRQChannel = 1,
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RCCU_IRQChannel = 2,
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RTC_IRQChannel = 3,
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WDG_IRQChannel = 4,
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XTI_IRQChannel = 5,
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USBHP_IRQChannel = 6,
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I2C0ITERR_IRQChannel = 7,
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I2C1ITERR_IRQChannel = 8,
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UART0_IRQChannel = 9,
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UART1_IRQChannel = 10,
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UART2_IRQChannel = 11,
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UART3_IRQChannel = 12,
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SPI0_IRQChannel = 13,
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SPI1_IRQChannel = 14,
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I2C0_IRQChannel = 15,
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I2C1_IRQChannel = 16,
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CAN_IRQChannel = 17,
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ADC_IRQChannel = 18,
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T1TIMI_IRQChannel = 19,
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T2TIMI_IRQChannel = 20,
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T3TIMI_IRQChannel = 21,
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HDLC_IRQChannel = 25,
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USBLP_IRQChannel = 26,
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T0TOI_IRQChannel = 29,
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T0OC1_IRQChannel = 30,
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T0OC2_IRQChannel = 31
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} IRQChannel_TypeDef;
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typedef enum
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{
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T0TIMI_FIQChannel = 0x00000001,
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WDG_FIQChannel = 0x00000002,
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WDGT0TIMI_FIQChannels = 0x00000003
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} FIQChannel_TypeDef;
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/*******************************************************************************
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* Function Name : EIC_Init
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* Description : Initialise the EIC using the load PC instruction
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* (PC = PC +offset)
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* Input : None
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* Output : None
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* Return : None
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*******************************************************************************/
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void EIC_Init(void);
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/*******************************************************************************
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* Function Name : EIC_IRQConfig
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* Description : Enable or Disable IRQ interrupts
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* Input 1 : New status : can be ENABLE or DISABLE
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* Output : None
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* Return : None
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*******************************************************************************/
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inline void EIC_IRQConfig(FunctionalState NewState)
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{
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if (NewState==ENABLE) EIC->ICR |= 0x0001; else EIC->ICR &= ~0x0001;
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}
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/*******************************************************************************
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* Function Name : EIC_FIQConfig
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* Description : Enable or Disable FIQ interrupts
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* Input 1 : New status : can be ENABLE or DISABLE
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* Output : None
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* Return : None
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*******************************************************************************/
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inline void EIC_FIQConfig(FunctionalState NewState)
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{
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if (NewState==ENABLE) EIC->ICR |= 0x0002; else EIC->ICR &= ~0x0002;
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}
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/*******************************************************************************
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* Function Name : EIC_IRQChannelConfig
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* Description : Configure the IRQ Channel
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* Input 1 : IRQ channel name
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* Input 2 : Channel New status : can be ENABLE or DISABLE
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* Output : None
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* Return : None
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*******************************************************************************/
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inline void EIC_IRQChannelConfig(IRQChannel_TypeDef IRQChannel, FunctionalState NewState)
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{
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if (NewState==ENABLE) EIC->IER |= 0x0001 << IRQChannel;
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else EIC->IER &= ~(0x0001 << IRQChannel);
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}
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/*******************************************************************************
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* Function Name : EIC_FIQChannelConfig
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* Description : Configure the FIQ Channel
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* Input 1 : FIQ channel name
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* Input 2 : Channel New status : can be ENABLE or DISABLE
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* Output : None
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* Return : None
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*******************************************************************************/
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inline void EIC_FIQChannelConfig(FIQChannel_TypeDef FIQChannel,
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FunctionalState NewState)
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{
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if (NewState==ENABLE) EIC->FIR |= FIQChannel;
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else EIC->FIR &= ~FIQChannel;
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}
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/*******************************************************************************
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* Function Name : EIC_IRQChannelPriorityConfig
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* Description : Configure the selected IRQ channel priority
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* Input 1 : IRQ channel name
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* Input 2 : IRQ channel priority
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* Output : None
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* Return : None
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*******************************************************************************/
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inline void EIC_IRQChannelPriorityConfig(IRQChannel_TypeDef IRQChannel, u8 Priority)
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{
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EIC->SIR[IRQChannel] = (EIC->SIR[IRQChannel]&0xFFFF0000) | (u16)Priority & 0x000F;
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}
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/*******************************************************************************
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* Function Name : EIC_CurrentPriorityLevelConfig
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* Description : Change the current priority level of the srved IRQ routine
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* Input 1 : New priority
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* Output : None
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* Return : None
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*******************************************************************************/
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void EIC_CurrentPriorityLevelConfig(u8 NewPriorityLevel);
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/*******************************************************************************
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* Function Name : EIC_CurrentPriorityLevelValue
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* Description : Return the current priority level of the current served IRQ
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* routine
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* Input : None
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* Output : None
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* Return : The current priority level
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*******************************************************************************/
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inline u8 EIC_CurrentPriorityLevelValue(void)
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{
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return EIC->CIPR & 0xF;
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}
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/*******************************************************************************
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* Function Name : EIC_CurrentIRQChannelValue
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* Description : Return the current served IRQ channel number
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* Input 0 : None
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* Output : None
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* Return : The current served IRQ channel number
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*******************************************************************************/
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inline IRQChannel_TypeDef EIC_CurrentIRQChannelValue(void)
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{
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return (IRQChannel_TypeDef)(EIC->CICR & 0x1F);
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}
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/*******************************************************************************
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* Function Name : EIC_CurrentFIQChannelValue
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* Description : Return the current served FIQ channel number
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* Input : None
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* Output : None
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* Return : The current served FIQ channel number
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*******************************************************************************/
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inline FIQChannel_TypeDef EIC_CurrentFIQChannelValue(void)
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{
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return (FIQChannel_TypeDef)((EIC->FIR >> 2) & 0x0003);
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}
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/*******************************************************************************
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* Function Name : EIC_FIPendingBitClear
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* Description : Clear the FIQ pending bit
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* Input 1 : FIQ channel
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* Output : None
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* Return : None
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*******************************************************************************/
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inline void EIC_FIQPendingBitClear(FIQChannel_TypeDef FIQChannel)
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{
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EIC->FIR = (EIC->FIR & 0x0003) | (FIQChannel << 2);
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}
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#endif /* __eic_H */
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/******************* (C) COPYRIGHT 2003 STMicroelectronics *****END OF FILE****/
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