mpy32_ex11_32bitSignedMultiplyAccum.c

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//******************************************************************************
//******************************************************************************
 
#include "driverlib.h"
 
void main (void)
{
    //Stop Watchdog Timer
    WDT_A_hold(WDT_A_BASE);
 
    //Set a 32-bit Operand into the specific Operand 1 register to specify
    //unsigned multiplication
    MPY32_setOperandOne32Bit(
        MPY32_MULTIPLY_UNSIGNED,
        0x12341234);
    //Set 32-bit Operand 2 to begin the multiplication operation
    MPY32_setOperandTwo32Bit(
        0x56785678);
 
    //Wait for the result to become ready
    __no_operation();
    __no_operation();
    __no_operation();
    __no_operation();
    __no_operation();
 
    //Set a 32-bit Operand into the specific Operand 1 register to specify
    //signed multiplication added to the current result
    MPY32_setOperandOne32Bit(
        MPY32_MULTIPLYACCUMULATE_SIGNED,
        0x12341234);
    //Set 32-bit Operand 2 to begin the multiplication operation
    MPY32_setOperandTwo32Bit(
        0x56785678);
 
    //Enter LPM4
    __bis_SR_register(LPM4_bits);
 
    //BREAKPOINT HERE to verify the correct Result in Registers.
    __no_operation();
}