【MSP430i2xx教程第四讲】电源管理模块 & TLV

//******************************************************************************

//  MSP430i20xx Demo - PMM Module, Compare VMONIN to Internal 1.16V, Poll IFG

//

//  Description: Setup VMON to compare input from VMONIN to internally generated

//  1.16V source. If VMONIN drifts below 1.16V, clear the LED. If VMONIN drifts

//  above 1.16V, turn the LED on.

//

//  ACLK = 32kHz, MCLK = SMCLK = Calibrated DCO = 16.384MHz

//  * Ensure low_level_init.c is included when building/running this example *

//

//               MSP430i20xx

//             -----------------

//         /|\|                |

//          | |                |

//          --|RST         P2.3|<-- VMONIN

//            |            P1.4|--> LED

//            |                |

//

//  T. Witt

//  Texas Instruments, Inc

//  September 2013

//  Built with Code Composer Studio v5.5

//******************************************************************************

#include "msp430.h"



void main(void) {

    WDTCTL = WDTPW | WDTHOLD;           // Stop WDT



    // Setup P1.4 for LED

    P1DIR |=  BIT4;                     // LED Output

    P1OUT &= ~BIT4;                     // LED Off



    VCMONCTL |= VMONLVL_7;              // Compare VMONIN to 1.16V

    // When started up, VMON requires a settling time of 0.5us

    __delay_cycles(10); // MCLK = ~16MHz; 1 cycle = ~0.0625us



    // Setup P2.3 for VMONIN

    P2SEL0 |= BIT3;

    P2SEL1 |= BIT3;



    while (1) {

        if(VCMONCTL&VMONIFG)

            P1OUT &= ~BIT4;             // VMONIN < 1.16V, LED Off

        else

            P1OUT |= BIT4;              // VMONIN > 1.16V, LED On

    }

}

//  MSP430i20xx Demo - PMM Module, Compare VMONIN to Internal 1.16V, VMON ISR

//

//  Description: Setup VMON to compare input from VMONIN to internally generated

//  1.16V source. If VMONIN drifts below 1.16V, clear the LED. If VMONIN drifts

//  above 1.16V, turn the LED on.

//

//  ACLK = 32kHz, MCLK = SMCLK = Calibrated DCO = 16.384MHz

//  * Ensure low_level_init.c is included when building/running this example *

//

//               MSP430i20xx

//             -----------------

//         /|\|                |

//          | |                |

//          --|RST         P2.3|<-- VMONIN

//            |            P1.4|--> LED

//            |                |

//

//  T. Witt

//  Texas Instruments, Inc

//  September 2013

//  Built with Code Composer Studio v5.5

//******************************************************************************

#include "msp430.h"



void main(void) {

    WDTCTL = WDTPW | WDTHOLD;           // Stop WDT



    // Setup P1.4 for LED

    P1DIR |=  BIT4;                     // LED Output

    P1OUT &= ~BIT4;                     // LED Off



    VCMONCTL |= VMONLVL_7;              // Compare VMONIN to 1.16V

    VCMONCTL |= VMONIE;                 // Enable VMON interrupt

    // When started up, VMON requires a settling time of 0.5us

    __delay_cycles(10); // MCLK = ~16MHz; 1 cycle = ~0.0625us



    // Setup P2.3 for VMONIN

    P2SEL0 |= BIT3;

    P2SEL1 |= BIT3;



    __bis_SR_register(GIE);             // Enable Interrupts



    while (1) {

        P1OUT |= BIT4;                  // VMONIN > 1.16V, LED On

    }

}



#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__)

#pragma vector=VMON_VECTOR

__interrupt void VMON_ISR(void) {

#elif defined(__GNUC__)

void __attribute__ ((interrupt(VMON_VECTOR))) VMON_ISR (void)

#else

#error Compiler not supported!

#endif

    P1OUT &= ~BIT4;                     // VMONIN < 1.16V, LED Off

}

//  MSP430i20xx Demo - PMM Module, Compare DVCC to 2.85V, VMON ISR

//

//  Description: Setup VMON to compare DVCC to internally generated

//  2.85V. If DVCC drifts below 2.85V, clear the LED. If DVCC drifts

//  above 2.85V, turn the LED on.

//

//  ACLK = 32kHz, MCLK = SMCLK = Calibrated DCO = 16.384MHz

//  * Ensure low_level_init.c is included when building/running this example *

//

//               MSP430i20xx

//             -----------------

//         /|\|                |

//          | |                |

//          --|RST             |

//            |            P1.4|--> LED

//            |                |

//

//  T. Witt

//  Texas Instruments, Inc

//  September 2013

//  Built with Code Composer Studio v5.5

//******************************************************************************

#include "msp430.h"



void main(void) {

    WDTCTL = WDTPW | WDTHOLD;           // Stop WDT



    // Setup P1.4 for LED

    P1DIR |=  BIT4;                     // LED Output

    P1OUT &= ~BIT4;                     // LED Off



    VCMONCTL |= VMONLVL_3;              // Compare DVCC to 2.85V

    VCMONCTL |= VMONIE;                 // Enable VMON Interrupt

    // When started up, VMON requires a settling time of 0.5us

    __delay_cycles(10); // MCLK = ~16MHz; 1 cycle = ~0.0625us



    __bis_SR_register(GIE);             // Enable Interrupts



    while (1) {

        P1OUT |= BIT4;                  // DVCC > 2.85V, LED On

    }

}



#if defined(__TI_COMPILER_VERSION__) || defined(__IAR_SYSTEMS_ICC__)

#pragma vector=VMON_VECTOR

__interrupt void VMON_ISR(void) {

#elif defined(__GNUC__)

void __attribute__ ((interrupt(VMON_VECTOR))) VMON_ISR (void)

#else

#error Compiler not supported!

#endif

    P1OUT &= ~BIT4;                     // DVCC < 2.85V, LED Off

}