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/******************** (C) COPYRIGHT 2008 STMicroelectronics ********************
* File Name : 91x_scu.c
* Author : MCD Application Team
* Version : V2.1
* Date : 12/22/2008
* Description : This file provides the SCU library firmware functions
********************************************************************************
* 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 "91x_scu.h"
/* Include of other module interface headers ---------------------------------*/
/* Local includes ------------------------------------------------------------*/
/* Private typedef -----------------------------------------------------------*/
/* Private define ------------------------------------------------------------*/
#define SCU_PLLEN 0x80000
/* Private macro -------------------------------------------------------------*/
/* Private variables ---------------------------------------------------------*/
/* Private function prototypes -----------------------------------------------*/
/* Interface functions -------------------------------------------------------*/
/* Private functions ---------------------------------------------------------*/
/*******************************************************************************
* Function Name : SCU_MCLKSourceConfig
* Description : Configures the MCLK source clock
* Input : MCLK_Source = SCU_MCLK_OSC, SCU_MCLK_PLL or SCU_MCLK_RTC
* Output : None
* Return : ErrorStatus: SUCCESS or ERROR
* Note : this function returns ERROR if trying to select the PLL as
* clock source while the PLL is disabled or not locked.
*******************************************************************************/
ErrorStatus SCU_MCLKSourceConfig(u32 MCLK_Source)
{
u32 CLKCNTR_Value;
CLKCNTR_Value = SCU->CLKCNTR; /*get CLKCNTR register value*/
CLKCNTR_Value &=~0x3; /*clear field MCLKSEL*/
if (MCLK_Source == SCU_MCLK_PLL) /*PLL selected as clock source*/
{
/*check if PLL enabled & locked*/
if (!((SCU->PLLCONF&SCU_PLLEN)&&(SCU->SYSSTATUS&SCU_FLAG_LOCK)))
return ERROR;
}
else CLKCNTR_Value |=MCLK_Source; /*OSC or RTC selected as clock source*/
SCU->CLKCNTR = CLKCNTR_Value; /*Update CLKCNTR register value*/
return SUCCESS;
}
/*******************************************************************************
* Function Name : SCU_PLLFactorsConfig
* Description : Sets the PLL factors
* Input : PLLN, PLLM and PLLP
* Output : None
* Return : ErrorStatus: ERROR or SUCCESS
* Notes : -The PLL factors must respect the PLL specification requirements
* -The function returns ERROR if trying to change PLL
* factors while PLL is selected as Main Clock source (MCLK)
* -This function disables the PLL, to enable the PLL use
* function" SCU_PLLCmd(ENABLE)" after setting the PLL factors
******************************************************************************/
ErrorStatus SCU_PLLFactorsConfig(u8 PLLN, u8 PLLM, u8 PLLP)
{
if (SCU_PLLCmd(DISABLE)==SUCCESS) /*Disable PLL*/
{
SCU->PLLCONF =0; /*clear PLLCONF register*/
SCU->PLLCONF |=(PLLN<<8); /*update PLLN field*/
SCU->PLLCONF |=PLLM; /*update PLLM field*/
SCU->PLLCONF |=PLLP<<16; /*update PLLP field*/
return SUCCESS;
}
return ERROR;
}
/*******************************************************************************
* Function Name : SCU_PLLCmd
* Description : Enable or Disable the PLL
* Input : NewState = ENABLE or DISABLE
* Output : None
* Return : ErrorStatus: SUCCESS or ERROR
* Note : -The function returns ERROR if:
* *trying to disable the PLL while it is selected as the MCLK
* *trying to enable the PLL while it is already enabled and
* locked
*******************************************************************************/
ErrorStatus SCU_PLLCmd(FunctionalState NewState)
{
if (NewState==ENABLE)
{
if (!((SCU->PLLCONF&SCU_PLLEN)&&(SCU->SYSSTATUS&SCU_FLAG_LOCK)))
{
SCU->SYSSTATUS|=SCU_FLAG_LOCK; /*clear LOCK bit*/
SCU->PLLCONF |=SCU_PLLEN; /*PLL Enable*/
while(!(SCU->SYSSTATUS&SCU_FLAG_LOCK)); /*Wait PLL to lock*/
return SUCCESS;
}
else return ERROR;
}
else /*NewState = DISABLE*/
{
if(SCU->CLKCNTR&0x3) /*check if PLL not sys CLK*/
{
SCU->PLLCONF &=~SCU_PLLEN; /*PLL Disable*/
return SUCCESS;
}
else return ERROR;
}
}
/*******************************************************************************
* Function Name : SCU_RCLKDivisorConfig
* Description : Sets the RCLK divisor value
* Input : RCLK_Divisor
* Output : None
* Return : None
*******************************************************************************/
void SCU_RCLKDivisorConfig(u32 RCLK_Divisor)
{
SCU->CLKCNTR &=SCU_RCLK_Div1; /*clear RCLKDIV[2:0] field*/
if (RCLK_Divisor!=SCU_RCLK_Div1)
SCU->CLKCNTR |= RCLK_Divisor; /*update field with RCLK divisor*/
}
/*******************************************************************************
* Function Name : SCU_HCLKDivisorConfig
* Description : Sets the HCLK divisor value
* Input : HCLK_Divisor
* Output : None
* Return : None
*******************************************************************************/
void SCU_HCLKDivisorConfig(u32 HCLK_Divisor)
{
SCU->CLKCNTR &=SCU_HCLK_Div1; /*clear AHBDIV[1:0] field*/
if (HCLK_Divisor!=SCU_HCLK_Div1)
SCU->CLKCNTR |= HCLK_Divisor; /*update field with HCLK divisor*/
}
/*******************************************************************************
* Function Name : SCU_PCLKDivisorConfig
* Description : Sets the PCLK divisor value
* Input : PCLK_Divisor
* Output : None
* Return : None
*******************************************************************************/
void SCU_PCLKDivisorConfig(u32 PCLK_Divisor)
{
SCU->CLKCNTR &=SCU_PCLK_Div1; /*clear APBDIV[1:0] field*/
if (PCLK_Divisor!=SCU_PCLK_Div1)
SCU->CLKCNTR |= PCLK_Divisor; /*update field with PCLK Divisor*/
}
/*******************************************************************************
* Function Name : SCU_APBPeriphClockConfig
* Description : Enable the clock for an APB peripheral
* Input : -APBPerip : APB peripherals(__RTC, __ADC ,...)
* -NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_APBPeriphClockConfig(u32 APBPeriph, FunctionalState NewState)
{
if (NewState==ENABLE) /*Enable clock for APB peripheral*/
SCU->PCGR1 |=APBPeriph;
else
SCU->PCGR1 &=~APBPeriph; /*Disable clock for APB peripheral*/
}
/*******************************************************************************
* Function Name : SCU_AHBPeriphClockConfig
* Description : Enable the clock for an AHB peripheral
* Input : -AHBPerip: AHB peripherals(__USB, __DMA,...)
* -NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_AHBPeriphClockConfig(u32 AHBPeriph, FunctionalState NewState)
{
if (NewState==ENABLE) /*Enable clock for AHB peripheral*/
SCU->PCGR0 |=AHBPeriph;
else
SCU->PCGR0 &=~AHBPeriph; /*Disable clock for AHB peripheral*/
}
/*******************************************************************************
* Function Name : SCU_APBPeriphReset
* Description : Assert or deassert Reset on APB peripheral
* Input : -APBPeriph: APB peripherals(__RTC, __ADC,...)
-NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_APBPeriphReset(u32 APBPeriph, FunctionalState NewState)
{
if (NewState==DISABLE) /*APB peripheral not held in Reset*/
SCU->PRR1 |=APBPeriph;
else
SCU->PRR1 &=~APBPeriph; /*APB peripheral held in Reset*/
}
/*******************************************************************************
* Function Name : SCU_AHBPeriphReset
* Description : Assert or deassert Reset on AHB peripheral
* Input : -AHBPeriph: AHB peripherals(__USB, __DMA,...)
-NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_AHBPeriphReset(u32 AHBPeriph, FunctionalState NewState)
{
if (NewState==DISABLE)
SCU->PRR0 |=AHBPeriph; /*AHB peripheral not held in Reset*/
else
SCU->PRR0 &=~AHBPeriph; /*AHB peripheral held in Reset*/
}
/*******************************************************************************
* Function Name : SCU_APBPeriphIdleConfig
* Description : Enable or Disable Periph Clock during Idle mode
* Input : -APBPeriph: APB peripherals(__RTC, __ADC,...)
-NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_APBPeriphIdleConfig(u32 APBPeriph, FunctionalState NewState)
{
if (NewState==ENABLE)
SCU->MGR1 |=APBPeriph; /*APB peripheral clock enabled during Idle mode*/
else
SCU->MGR1 &=~APBPeriph; /*APB peripheral clock disabled during Idle mode*/
}
/*******************************************************************************
* Function Name : SCU_AHBPeriphIdleConfig
* Description : Enable or Disable Periph Clock during Idle mode
* Input : -AHBPeriph: AHB peripherals(__USB, __DMA,...)
-NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_AHBPeriphIdleConfig(u32 AHBPeriph, FunctionalState NewState)
{
if (NewState==ENABLE)
SCU->MGR0 |=AHBPeriph; /*AHB peripheral clock enabled during Idle mode*/
else
SCU->MGR0 &=~AHBPeriph; /*AHB peripheral clock disabled during Idle mode*/
}
/*******************************************************************************
* Function Name : SCU_APBPeriphDebugConfig
* Description : Enable or Disable Periph Clock during ARM debug state
* Input : -APBPeriph: APB peripherals(__RTC, __ADC,...)
-NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_APBPeriphDebugConfig(u32 APBPeriph, FunctionalState NewState)
{
if (NewState==ENABLE)
SCU->PECGR1 |=APBPeriph; /*APB peripheral clock enabled during ARM debug state*/
else
SCU->PECGR1 &=~APBPeriph; /*APB peripheral clock disabled during ARM debug state*/
}
/*******************************************************************************
* Function Name : SCU_AHBPeriphDebugConfig
* Description : Enable or Disable Periph Clock during ARM debug state
* Input : -AHBPeriph: AHB peripherals(__USB, __DMA,...)
-NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_AHBPeriphDebugConfig(u32 AHBPeriph, FunctionalState NewState)
{
if (NewState==ENABLE)
SCU->PECGR0 |=AHBPeriph; /*AHB peripheral clock enabled during ARM debug state*/
else
SCU->PECGR0 &=~AHBPeriph; /*AHB peripheral clock disabled during ARM debug state*/
}
/*******************************************************************************
* Function Name : SCU_BRCLKDivisorConfig
* Description : Sets the BRCLK divisor value
* Input : BRCLK_Divisor
* Output : None
* Return : None
*******************************************************************************/
void SCU_BRCLKDivisorConfig(u32 BRCLK_Divisor)
{
SCU->CLKCNTR &=SCU_BRCLK_Div2; /*Clear BRSEL bit*/
if (BRCLK_Divisor==SCU_BRCLK_Div1)
SCU->CLKCNTR |= SCU_BRCLK_Div1; /*set bit BRSEL*/
}
/*******************************************************************************
* Function Name : SCU_TIMExtCLKCmd
* Description : Enable or disable the TIMx external clock source
* Input : - TIMx : SCU_TIM01 or SCU_TIM23
* - NewState : ENABLE or DISABLE
* Output : Non
* Return : None
*******************************************************************************/
void SCU_TIMExtCLKCmd (u8 TIMx, FunctionalState NewState)
{
if (TIMx== SCU_TIM01) /*TIM01 clock source configuration*/
{
SCU->CLKCNTR &=0xFFFFDFFF;
if (NewState==ENABLE)
SCU->CLKCNTR |=0x2000;
}
else
{
SCU->CLKCNTR &=0xFFFFBFFF; /*TIM23 clock source configuration*/
if (NewState==ENABLE)
SCU->CLKCNTR |=0x4000;
}
}
/*******************************************************************************
* Function Name : SCU_USBCLKConfig
* Description : Configures the clock source for the 48MHz USBCLK
* Input : USBCLK_Source: SCU_USBCLK_MCLK,SCU_USBCLK_MCLK2 or SCU_USBCLK_EXT
* Output : None
* Return : None
*******************************************************************************/
void SCU_USBCLKConfig(u32 USBCLK_Source)
{
SCU->CLKCNTR &=SCU_USBCLK_MCLK; /*clear USBSEL[1:0] field*/
if (USBCLK_Source!=SCU_USBCLK_MCLK)
SCU->CLKCNTR |= USBCLK_Source; /*update field with USBCLK_Source*/
}
/*******************************************************************************
* Function Name : SCU_PHYCLKConfig
* Description : Enable or Disable PHY clock output
* Input : NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_PHYCLKConfig(FunctionalState NewState)
{
if (NewState==ENABLE)
SCU->CLKCNTR |= 0x1000; /*enable MIIPHY clock*/
else
SCU->CLKCNTR &=~0x1000; /*disable MIIPHY clock*/
}
/*******************************************************************************
* Function Name : SCU_FMICLKDivisorConfig
* Description : Set the FMI clock divisor
* Input : FMICLK_Divisor: SCU_FMICLK_Div1 or SCU_FMICLK_DIV2
* Output : None
* Return : None
*******************************************************************************/
void SCU_FMICLKDivisorConfig(u32 FMICLK_Divisor)
{
SCU->CLKCNTR &=SCU_FMICLK_Div1; /*FMICLK = RCLK*/
if (FMICLK_Divisor!=SCU_FMICLK_Div1)
SCU->CLKCNTR |=SCU_FMICLK_Div2; /*FMICLK = RCLK/2 */
}
/*******************************************************************************
* Function Name : SCU_EMIBCLKDivisorConfig
* Description : Set the EMI Bus clock divisor: EMIBCLK = HCLK or HCLK/2
* Input : SCU_EMICLK: SCU_EMIBCLK_Div1 , SCU_EMIBCLK_Div2
* Output : None
* Return : None
*******************************************************************************/
void SCU_EMIBCLKDivisorConfig(u32 SCU_EMIBCLK)
{
SCU->CLKCNTR &=SCU_EMIBCLK_Div1; /*EMIBCLK = HCLK */
if (SCU_EMIBCLK!=SCU_EMIBCLK_Div1)
SCU->CLKCNTR |= SCU_EMIBCLK_Div2; /*EMIBCLK = HCLK/2 */
}
/*******************************************************************************
* Function Name : SCU_EMIModeConfig
* Description : Configure the EMI as Multiplexed or Demultiplexed
* Input : SCU_EMIMODE : SCU_EMI_MUX or SCU_EMI_DEMUX
* Output : None
* Return : None
*******************************************************************************/
void SCU_EMIModeConfig(u32 SCU_EMIMODE)
{
SCU->SCR0 &=SCU_EMI_MUX; /*EMI mode = Multiplexed*/
if (SCU_EMIMODE!=SCU_EMI_MUX)
SCU->SCR0 |= SCU_EMI_DEMUX; /*EMI mode = Demultiplexed*/
}
/*******************************************************************************
* Function Name : SCU_EMIALEConfig
* Description : Configure the ALE signal (length & polarity)
* Input : -SCU_EMIALE_LEN : SCU_EMIALE_LEN1 or SCU_EMIALE_LEN2
* -SCU_EMIALE_POL : SCU_EMIALE_POLLow or SCU_EMI_POLHigh
* Output : None
* Return : None
*******************************************************************************/
void SCU_EMIALEConfig(u32 SCU_EMIALE_LEN, u32 SCU_EMIALE_POL)
{
/*Configure EMI ALE Length*/
SCU->SCR0 &=SCU_EMIALE_LEN1;
if (SCU_EMIALE_LEN!=SCU_EMIALE_LEN1)
SCU->SCR0 |= SCU_EMIALE_LEN2;
/*Configure EMI ALE POL*/
SCU->SCR0 &=SCU_EMIALE_POLLow;
if (SCU_EMIALE_POL!=SCU_EMIALE_POLLow)
SCU->SCR0 |= SCU_EMIALE_POLHigh;
}
/*******************************************************************************
* Function Name : SCU_ITConfig
* Description : ENBALE or DISABLE an SCU interrupt
* Input : -SCU_IT: interrupt mask
* -NewState: ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_ITConfig(u32 SCU_IT, FunctionalState NewState)
{
if (NewState==ENABLE)
SCU->ITCMSK&=~SCU_IT; /*IT enable */
else
SCU->ITCMSK|=SCU_IT; /*IT disable( mask)*/
}
/*******************************************************************************
* Function Name : SCU_GetFlagStatus
* Description : Returns flag status
* Input : SCU_Flag
* Output : NONE
* Return : SET or RESET
*******************************************************************************/
FlagStatus SCU_GetFlagStatus(u32 SCU_Flag)
{
if (SCU->SYSSTATUS&SCU_Flag)
return SET;
else return RESET;
}
/*******************************************************************************
* Function Name : SCU_ClearFlag
* Description : Clears a SYSTATUS Flag
* Input : SCU_Flag
* Output : None
* Return : None
*******************************************************************************/
void SCU_ClearFlag(u32 SCU_Flag)
{
SCU->SYSSTATUS = SCU_Flag;
}
/*******************************************************************************
* Function Name : SCU_GetPLLfreqValue
* Description : Gets the current PLL frequency
* Input : None
* Output : None
* Return : PLL frequency (KHz)
*******************************************************************************/
u32 SCU_GetPLLFreqValue(void)
{
u8 PLL_M;
u8 PLL_N;
u8 PLL_P;
PLL_M = SCU->PLLCONF&0xFF;
PLL_N = (SCU->PLLCONF&0xFF00)>>8;
PLL_P = (SCU->PLLCONF&0x70000)>>16;
if ((PLL_M>0)&&(PLL_N>0))
return (u32)(((_Main_Crystal*2)*PLL_N)/(PLL_M<<PLL_P));
else return 0;
}
/*******************************************************************************
* Function Name : SCU_GetMCLKFreqValue
* Description : Gets the current MCLK frequency
* Input : None
* Output : None
* Return : MCLK frequency (KHz)
*******************************************************************************/
u32 SCU_GetMCLKFreqValue(void)
{
if ((SCU->CLKCNTR&0x3) == 0x2) return (u32)(_Main_Crystal);
if ((SCU->CLKCNTR&0x3) == 0x1) return (u32)(32);
else return (SCU_GetPLLFreqValue());
}
/*******************************************************************************
* Function Name : SCU_GetRCLKFreqValue
* Description : Gets the current RCLK frequency
* Input : None
* Output : None
* Return : RCLK frequency (KHz)
*******************************************************************************/
u32 SCU_GetRCLKFreqValue(void)
{
u8 RCLK_Div;
RCLK_Div = (SCU->CLKCNTR&0x1C)>>2;
if (RCLK_Div==0x5) RCLK_Div=10;
return (u32)(SCU_GetMCLKFreqValue() >>RCLK_Div);
}
/*******************************************************************************
* Function Name : SCU_GetHCLKFreqValue
* Description : Gets the current PCLK frequency
* Input : None
* Output : None
* Return : HCLK frequency (KHz)
*******************************************************************************/
u32 SCU_GetHCLKFreqValue(void)
{
u8 HCLK_Div;
HCLK_Div = (SCU->CLKCNTR&0x60)>>5;
return (u32)(SCU_GetRCLKFreqValue() >>HCLK_Div);
}
/*******************************************************************************
* Function Name : SCU_GetPCLKFreqValue
* Description : Gets the current HCLK frequency
* Input : None
* Output : None
* Return : PCLK frequency (KHz)
*******************************************************************************/
u32 SCU_GetPCLKFreqValue(void)
{
u8 PCLK_Div;
PCLK_Div = (SCU->CLKCNTR&0x180)>>7;
return (u32)(SCU_GetRCLKFreqValue() >>PCLK_Div);
}
/*******************************************************************************
* Function Name : SCU_WakeUpLineConfig
* Description : Configures an External interrupt as WakeUp line
* Input : EXTint : 0 -> 31
* Output : None
* Return : None
*******************************************************************************/
void SCU_WakeUpLineConfig(u8 EXTint)
{
if (EXTint < 8)
{
SCU->WKUPSEL&=~0x7;
SCU->WKUPSEL|=EXTint;
}
else if (EXTint<16)
{
SCU->WKUPSEL&=~0x38;
SCU->WKUPSEL|=(EXTint-8)<<3;
}
else if (EXTint<24)
{
SCU->WKUPSEL&=~0x1C0;
SCU->WKUPSEL|=(EXTint-16)<<6;
}
else
{
SCU->WKUPSEL&=~0xE00;
SCU->WKUPSEL|=(EXTint-24)<<9;
}
}
/*******************************************************************************
* Function Name : SCU_SpecIntRunModeConfig
* Description : Enables or Disables the Special Run mode
* Input : newstate = ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_SpecIntRunModeConfig(FunctionalState NewState)
{
if (NewState == ENABLE)
SCU->PWRMNG |=0x8;
else
SCU->PWRMNG &=~0x8;
}
/*******************************************************************************
* Function Name : SCU_EnterIdleMode
* Description : Enters in Idle mode
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void SCU_EnterIdleMode(void)
{
SCU->PWRMNG |=0x1;
}
/*******************************************************************************
* Function Name : SCU_EnterSleepMode
* Description : Enters in Sleep mode
* Input : None
* Output : None
* Return : None
*******************************************************************************/
void SCU_EnterSleepMode(void)
{
SCU->PWRMNG |=0x2;
}
/*******************************************************************************
* Function Name : SCU_UARTIrDAConfig
* Description : Enable or Disable the Irda mode for UARTx
* Input : - SCU_UARTx :x=0,1 or 2
* - UART_IrDA_Mode : SCU_UARTMode_IrDA or SCU_UARTMode_UART
* Output : None
* Return : None
*******************************************************************************/
void SCU_UARTIrDASelect(u8 SCU_UARTx, u8 UART_IrDA_Mode)
{
if (UART_IrDA_Mode == SCU_UARTMode_IrDA)
{
if (SCU_UARTx== SCU_UART0) SCU->SCR0 |=0x400;
else if (SCU_UARTx== SCU_UART1) SCU->SCR0 |=0x800;
else SCU->SCR0 |=0x1000;
}
else
{
if (SCU_UARTx== SCU_UART0) SCU->SCR0 &=~0x400;
else if (SCU_UARTx== SCU_UART1) SCU->SCR0 &=~0x800;
else SCU->SCR0 &=~0x1000;
}
}
/*******************************************************************************
* Function Name : SCU_PFQBCCmd
* Description : Enable or Disable PFQBC
* Input : NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_PFQBCCmd(FunctionalState NewState)
{
if (NewState==ENABLE)
SCU->SCR0 |=0x1;
else SCU->SCR0 &=~0x1;
}
/*******************************************************************************
* Function Name : SCU_EMIByte_Select_Pinconfig
* Description : Enable or Disable the Byte selection pins behaviour(LFBGA only)
* Input : NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_EMIByte_Select_Pinconfig(FunctionalState NewState)
{
if (NewState==ENABLE)
SCU->GPIOEMI |= 0x04;
else
SCU->GPIOEMI &=~0x04;
}
/*******************************************************************************
* Function Name : SCU_EMIclock_Pinconfig
* Description : Enable or Disable the BCLK pin clock driving (LFBGA only)
* Input : NewState : ENABLE or DISABLE
* Output : None
* Return : None
*******************************************************************************/
void SCU_EMIclock_Pinconfig(FunctionalState NewState)
{
if (NewState==DISABLE)
SCU->GPIOEMI |= 0x02;
else
SCU->GPIOEMI &=~0x02;
}
/******************* (C) COPYRIGHT 2008 STMicroelectronics *****END OF FILE****/