sysctl.c

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//*****************************************************************************
//
// sysctl.c - Driver for the sysctl Module.
//
//*****************************************************************************
 
//*****************************************************************************
//
//
//*****************************************************************************
 
#include "inc/hw_memmap.h"
 
#ifdef __MSP430_HAS_SYS__
#include "sysctl.h"
 
#include <assert.h>
 
void SysCtl_enableDedicatedJTAGPins (void)
{
    HWREG8(SYS_BASE + OFS_SYSCTL_L) |= SYSJTAGPIN;
}
 
uint8_t SysCtl_getBSLEntryIndication (void)
{
    if ( HWREG8(SYS_BASE + OFS_SYSCTL_L) & SYSBSLIND){
        return (SYSCTL_BSLENTRY_INDICATED) ;
    } else   {
        return (SYSCTL_BSLENTRY_NOTINDICATED) ;
    }
}
 
void SysCtl_enablePMMAccessProtect (void)
{
    HWREG8(SYS_BASE + OFS_SYSCTL_L) |= SYSPMMPE;
}
 
void SysCtl_enableRAMBasedInterruptVectors (void)
{
    HWREG8(SYS_BASE + OFS_SYSCTL_L) |= SYSRIVECT;
}
 
void SysCtl_disableRAMBasedInterruptVectors (void)
{
    HWREG8(SYS_BASE + OFS_SYSCTL_L) &= ~(SYSRIVECT);
}
 
void SysCtl_enableBSLProtect (void)
{
    HWREG16(SYS_BASE + OFS_SYSBSLC) |= SYSBSLPE;
}
 
void SysCtl_disableBSLProtect (void)
{
    HWREG16(SYS_BASE + OFS_SYSBSLC) &= ~(SYSBSLPE);
}
 
void SysCtl_enableBSLMemory (void)
{
    HWREG16(SYS_BASE + OFS_SYSBSLC) &= ~(SYSBSLOFF);
}
 
void SysCtl_disableBSLMemory (void)
{
    HWREG16(SYS_BASE + OFS_SYSBSLC) |= SYSBSLOFF;
}
 
void SysCtl_setRAMAssignedToBSL (uint8_t BSLRAMAssignment)
{
    HWREG8(SYS_BASE + OFS_SYSBSLC_L) &= ~(SYSBSLR);
    HWREG8(SYS_BASE + OFS_SYSBSLC_L) |= BSLRAMAssignment;
}
 
void SysCtl_setBSLSize (uint8_t BSLSizeSelect)
{
    HWREG8(SYS_BASE + OFS_SYSBSLC_L) &= ~(SYSBSLSIZE0 + SYSBSLSIZE1);
    HWREG8(SYS_BASE + OFS_SYSBSLC_L) |= BSLSizeSelect;
}
 
void SysCtl_initJTAGMailbox (uint8_t mailboxSizeSelect,
    uint8_t autoClearInboxFlagSelect)
{
    HWREG8(SYS_BASE + OFS_SYSJMBC_L) &= ~(JMBCLR1OFF + JMBCLR0OFF + JMBMODE);
    HWREG8(SYS_BASE + OFS_SYSJMBC_L) |=
        mailboxSizeSelect + autoClearInboxFlagSelect;
}
 
uint8_t SysCtl_getJTAGMailboxFlagStatus (uint8_t mailboxFlagMask)
{
    return ( HWREG8(SYS_BASE + OFS_SYSJMBC_L) & mailboxFlagMask);
}
 
void SysCtl_clearJTAGMailboxFlagStatus (uint8_t mailboxFlagMask)
{
    HWREG8(SYS_BASE + OFS_SYSJMBC_L) &= ~(mailboxFlagMask);
}
 
uint16_t SysCtl_getJTAGInboxMessage16Bit (uint8_t inboxSelect)
{
    return ( HWREG16(SYS_BASE + OFS_SYSJMBI0 + inboxSelect) );
}
 
uint32_t SysCtl_getJTAGInboxMessage32Bit (void)
{
    uint32_t JTAGInboxMessageLow = HWREG16(SYS_BASE + OFS_SYSJMBI0);
    uint32_t JTAGInboxMessageHigh = HWREG16(SYS_BASE + OFS_SYSJMBI1);
 
    return ( (JTAGInboxMessageHigh << 16) + JTAGInboxMessageLow );
}
 
void SysCtl_setJTAGOutgoingMessage16Bit (uint8_t outboxSelect,
    uint16_t outgoingMessage)
{
    HWREG16(SYS_BASE + OFS_SYSJMBO0 + outboxSelect) = outgoingMessage;
}
 
void SysCtl_setJTAGOutgoingMessage32Bit (uint32_t outgoingMessage)
{
    HWREG16(SYS_BASE + OFS_SYSJMBO0) = (outgoingMessage);
    HWREG16(SYS_BASE + OFS_SYSJMBO1) = (outgoingMessage >> 16);
}
 
 
#endif
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//
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