xref: /btstack/port/msp432p401lp-cc256x/ti/devices/msp432p4xx/driverlib/pmap.c (revision 5fd0122a3e19d95e11e1f3eb8a08a2b2acb2557e)

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#include <ti/devices/msp432p4xx/driverlib/debug.h>
#include <ti/devices/msp432p4xx/driverlib/pmap.h>


void PMAP_configurePorts(const uint8_t *portMapping, uint8_t pxMAPy,
        uint8_t numberOfPorts, uint8_t portMapReconfigure)
{
    uint_fast16_t i;

    ASSERT(
            (portMapReconfigure == PMAP_ENABLE_RECONFIGURATION)
                    || (portMapReconfigure == PMAP_DISABLE_RECONFIGURATION));

    //Get write-access to port mapping registers:
    PMAP->KEYID = PMAP_KEYID_VAL;

    //Enable/Disable reconfiguration during runtime
    PMAP->CTL = (PMAP->CTL & ~PMAP_CTL_PRECFG) | portMapReconfigure;

    //Configure Port Mapping:

    for (i = 0; i < numberOfPorts * 8; i++)
    {
        HWREG8(PMAP_BASE + i + pxMAPy) = portMapping[i];
    }

    //Disable write-access to port mapping registers:
    PMAP->KEYID = 0;
}