drvfmc.c

cortex-m0 LCD1602程序

/*                                                                                                         */
/* Note:                                                                                                   */
/*               Please make sure that Register Write-Protection Function has been disabled before using   */
/*               this function to disable ISP function.                                                    */
/*               User can check the status of Register Write-Protection Function                           */
/*               with DrvSYS_IsProtectedRegLocked().                                                       */
/*---------------------------------------------------------------------------------------------------------*/
void DrvFMC_DisableISP(void)
{
    FMC->ISPCON.ISPEN = 0;
}

/*---------------------------------------------------------------------------------------------------------*/
/* Function: DrvFMC_BootSelect                                                                             */
/*                                                                                                         */
/* Parameters:                                                                                             */
/*               boot   - [in]      E_FMC_APROM / E_FMC_LDROM                                              */
/*                                                                                                         */
/* Returns:                                                                                                */
/*               None                                                                                      */
/*                                                                                                         */
/* Description:                                                                                            */
/*               Select next boot from APROM or LDROM                                                      */
/*                                                                                                         */
/* Note:                                                                                                   */
/*               Please make sure that Register Write-Protection Function has been disabled before using   */
/*               this function.                                                                            */
/*               User can check the status of Register Write-Protection Function                           */
/*               with DrvSYS_IsProtectedRegLocked().                                                       */
/*---------------------------------------------------------------------------------------------------------*/
void DrvFMC_BootSelect(E_FMC_BOOTSELECT boot)
{
    FMC->ISPCON.BS = (boot)? 1: 0;
}

/*---------------------------------------------------------------------------------------------------------*/
/* Function: DrvFMC_GetBootSelect                                                                          */
/*                                                                                                         */
/* Parameters:                                                                                             */
/*               None                                                                                      */
/*                                                                                                         */
/*                                                                                                         */
/* Returns:                                                                                                */
/*               E_FMC_APROM      The current boot select setting is in APROM                              */
/*               E_FMC_LDROM      The current boot select setting is in LDROM                              */
/*                                                                                                         */
/* Description:                                                                                            */
/*               To return current boot select setting.                                                    */
/*---------------------------------------------------------------------------------------------------------*/
E_FMC_BOOTSELECT DrvFMC_GetBootSelect(void)
{
    return (E_FMC_BOOTSELECT)FMC->ISPCON.BS;
}

/*---------------------------------------------------------------------------------------------------------*/
/* Function: DrvFMC_EnableLDUpdate                                                                         */
/*                                                                                                         */
/* Parameters:                                                                                             */
/*               None                                                                                      */
/*                                                                                                         */
/* Returns:                                                                                                */
/*               None                                                                                      */
/*                                                                                                         */
/* Description:                                                                                            */
/*               Enable LDROM update function                                                              */
/*                                                                                                         */
/* Note:                                                                                                   */
/*               Please make sure that Register Write-Protection Function has been disabled before using   */
/*               this function to enable LD update function.                                               */
/*               User can check the status of Register Write-Protection Function                           */
/*               with DrvSYS_IsProtectedRegLocked().                                                       */
/*---------------------------------------------------------------------------------------------------------*/
void DrvFMC_EnableLDUpdate(void)
{   
    FMC->ISPCON.LDUEN = 1;
}

/*---------------------------------------------------------------------------------------------------------*/
/* Function: DrvFMC_DisableLDUpdate                                                                        */
/*                                                                                                         */
/* Parameters:                                                                                             */
/*               None                                                                                      */
/*                                                                                                         */
/* Returns:                                                                                                */
/*               None                                                                                      */
/*                                                                                                         */
/* Description:                                                                                            */
/*               Disable LDROM update function                                                             */
/*                                                                                                         */
/* Note:                                                                                                   */
/*               Please make sure that Register Write-Protection Function has been disabled before using   */
/*               this function to disable LD update function.                                              */
/*               User can check the status of Register Write-Protection Function                           */
/*               with DrvSYS_IsProtectedRegLocked().                                                       */
/*---------------------------------------------------------------------------------------------------------*/
void DrvFMC_DisableLDUpdate(void)
{   
    FMC->ISPCON.LDUEN = 0;
}

/*---------------------------------------------------------------------------------------------------------*/
/* Function: DrvFMC_EnableConfigUpdate                                                                     */
/*                                                                                                         */
/* Parameters:                                                                                             */
/*               None                                                                                      */
/*                                                                                                         */
/* Returns:                                                                                                */
/*               None                                                                                      */
/*                                                                                                         */
/* Description:                                                                                            */
/*               Enable Config update function when MCU is running in APROM or LDROM                       */
/*                                                                                                         */
/* Note:                                                                                                   */
/*               Please make sure that Register Write-Protection Function has been disabled before using   */
/*               this function to enable Config update function.                                           */
/*               User can check the status of Register Write-Protection Function                           */
/*               with DrvSYS_IsProtectedRegLocked().                                                       */
/*---------------------------------------------------------------------------------------------------------*/
void DrvFMC_EnableConfigUpdate(void)
{   
    FMC->ISPCON.CFGUEN = 1;
}

/*---------------------------------------------------------------------------------------------------------*/
/* Function: DrvFMC_DisableConfigUpdate                                                                    */
/*                                                                                                         */
/* Parameters:                                                                                             */
/*               None                                                                                      */
/*                                                                                                         */
/* Returns:                                                                                                */
/*               None                                                                                      */
/*                                                                                                         */
/* Description:                                                                                            */
/*               Disable Config update function when MCU is running in APROM or LDROM                      */
/*                                                                                                         */
/* Note:                                                                                                   */
/*               Please make sure that Register Write-Protection Function has been disabled before using   */
/*               this function to disable Config update function.                                          */
/*               User can check the status of Register Write-Protection Function                           */
/*               with DrvSYS_IsProtectedRegLocked().                                                       */
/*---------------------------------------------------------------------------------------------------------*/
void DrvFMC_DisableConfigUpdate(void)
{   
    FMC->ISPCON.CFGUEN = 0;
}


/*---------------------------------------------------------------------------------------------------------*/
/* Function: DrvFMC_EnableAPUpdate                                                                         */
/*                                                                                                         */
/* Parameters:                                                                                             */
/*               None                                                                                      */
/*                                                                                                         */
/* Returns:                                                                                                */
/*               None                                                                                      */
/*                                                                                                         */
/* Description:                                                                                            */
/*               Enable APROM update function. APROM can be updated when MCU is running in APROM.          */
/*                                                                                                         */
/* Note1:        Only NuMicro NUC1x0xxxCx Series (Ex. NUC140VE3CN) support this function.                  */
/*                                                                                                         */
/* Note2:        User must be very careful when this function is enabled.                                  */
/*                                                                                                         */
/* Note3:                                                                                                  */
/*               Please make sure that Register Write-Protection Function has been disabled before using   */
/*               this function to enable AP update function.                                               */
/*               User can check the status of Register Write-Protection Function                           */
/*               with DrvSYS_IsProtectedRegLocked().                                                       */
/*---------------------------------------------------------------------------------------------------------*/
void DrvFMC_EnableAPUpdate(void)
{   
    FMC->ISPCON.APUEN = 1;
}


/*---------------------------------------------------------------------------------------------------------*/
/* Function: DrvFMC_DisableAPUpdate                                                                        */
/*                                                                                                         */
/* Parameters:                                                                                             */
/*               None                                                                                      */
/*                                                                                                         */
/* Returns:                                                                                                */
/*               None                                                                                      */
/*                                                                                                         */