| /* |
| * ------------------------------------------- |
| * MSP432 DriverLib - v3_10_00_09 |
| * ------------------------------------------- |
| * |
| * --COPYRIGHT--,BSD,BSD |
| * Copyright (c) 2014, Texas Instruments Incorporated |
| * All rights reserved. |
| * |
| * Redistribution and use in source and binary forms, with or without |
| * modification, are permitted provided that the following conditions |
| * are met: |
| * |
| * * Redistributions of source code must retain the above copyright |
| * notice, this list of conditions and the following disclaimer. |
| * |
| * * Redistributions in binary form must reproduce the above copyright |
| * notice, this list of conditions and the following disclaimer in the |
| * documentation and/or other materials provided with the distribution. |
| * |
| * * Neither the name of Texas Instruments Incorporated nor the names of |
| * its contributors may be used to endorse or promote products derived |
| * from this software without specific prior written permission. |
| * |
| * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" |
| * AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, |
| * THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR |
| * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR |
| * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, |
| * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, |
| * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; |
| * OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, |
| * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR |
| * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, |
| * EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. |
| * --/COPYRIGHT--*/ |
| /* Standard Includes */ |
| #include <stdint.h> |
| |
| /* DriverLib Includes */ |
| #include <pss.h> |
| #include <interrupt.h> |
| #include <debug.h> |
| #include <cpu.h> |
| |
| static void __PSSUnlock() |
| { |
| PSS->KEY = PSS_KEY_VALUE; |
| } |
| |
| static void __PSSLock() |
| { |
| PSS->KEY = 0; |
| } |
| |
| |
| void PSS_enableForcedDCDCOperation(void) |
| { |
| __PSSUnlock(); |
| |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_DCDC_FORCE_OFS) = 1; |
| |
| __PSSLock(); |
| } |
| |
| void PSS_disableForcedDCDCOperation(void) |
| { |
| __PSSUnlock(); |
| |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_DCDC_FORCE_OFS) = 0; |
| |
| __PSSLock(); |
| |
| } |
| |
| void PSS_enableHighSidePinToggle(bool activeLow) |
| { |
| __PSSUnlock(); |
| |
| if (activeLow) |
| PSS->CTL0 |= (PSS_CTL0_SVMHOE | PSS_CTL0_SVMHOUTPOLAL); |
| else |
| { |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVMHOUTPOLAL_OFS) = 0; |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVMHOE_OFS) = 1; |
| } |
| |
| __PSSLock(); |
| } |
| |
| void PSS_disableHighSidePinToggle(void) |
| { |
| __PSSUnlock(); |
| |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVMHOE_OFS) = 0; |
| |
| __PSSLock(); |
| } |
| |
| void PSS_enableHighSide(void) |
| { |
| __PSSUnlock(); |
| |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVSMHOFF_OFS) = 0; |
| |
| __PSSLock(); |
| } |
| |
| void PSS_disableHighSide(void) |
| { |
| __PSSUnlock(); |
| |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVSMHOFF_OFS) = 1; |
| |
| __PSSLock(); |
| } |
| |
| void PSS_setHighSidePerformanceMode(uint_fast8_t powerMode) |
| { |
| __PSSUnlock(); |
| |
| if (powerMode == PSS_FULL_PERFORMANCE_MODE) |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVSMHLP_OFS) = 0; |
| else |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVSMHLP_OFS) = 1; |
| |
| __PSSLock(); |
| } |
| |
| uint_fast8_t PSS_getHighSidePerformanceMode(void) |
| { |
| if (BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVSMHLP_OFS)) |
| return PSS_NORMAL_PERFORMANCE_MODE; |
| else |
| return PSS_FULL_PERFORMANCE_MODE; |
| } |
| |
| void PSS_enableHighSideMonitor(void) |
| { |
| __PSSUnlock(); |
| |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVSMHS_OFS) = 1; |
| |
| __PSSLock(); |
| } |
| |
| void PSS_disableHighSideMonitor(void) |
| { |
| __PSSUnlock(); |
| |
| BITBAND_PERI(PSS->CTL0, PSS_CTL0_SVSMHS_OFS) = 0; |
| |
| __PSSLock(); |
| } |
| |
| void PSS_setHighSideVoltageTrigger(uint_fast8_t triggerVoltage) |
| { |
| __PSSUnlock(); |
| |
| ASSERT(!(triggerVoltage & 0xF8)) |
| |
| PSS->CTL0 &= ~PSS_CTL0_SVSMHTH_MASK; |
| PSS->CTL0 |= (triggerVoltage & 0x07) << PSS_CTL0_SVSMHTH_OFS; |
| |
| __PSSLock(); |
| } |
| |
| uint_fast8_t PSS_getHighSideVoltageTrigger(void) |
| { |
| return (uint_fast8_t)((PSS->CTL0 & PSS_CTL0_SVSMHTH_MASK) |
| >> PSS_CTL0_SVSMHTH_OFS); |
| } |
| |
| void PSS_enableInterrupt(void) |
| { |
| __PSSUnlock(); |
| BITBAND_PERI(PSS->IE,PSS_IE_SVSMHIE_OFS) = 1; |
| __PSSLock(); |
| } |
| |
| void PSS_disableInterrupt(void) |
| { |
| __PSSUnlock(); |
| BITBAND_PERI(PSS->IE,PSS_IE_SVSMHIE_OFS) = 0; |
| __PSSLock(); |
| } |
| |
| uint32_t PSS_getInterruptStatus(void) |
| { |
| return PSS->IFG; |
| } |
| |
| void PSS_clearInterruptFlag(void) |
| { |
| __PSSUnlock(); |
| BITBAND_PERI(PSS->CLRIFG,PSS_CLRIFG_CLRSVSMHIFG_OFS) = 0; |
| __PSSLock(); |
| } |
| |
| void PSS_registerInterrupt(void (*intHandler)(void)) |
| { |
| // |
| // Register the interrupt handler, returning an error if an error occurs. |
| // |
| Interrupt_registerInterrupt(INT_PSS, intHandler); |
| |
| // |
| // Enable the system control interrupt. |
| // |
| Interrupt_enableInterrupt(INT_PSS); |
| } |
| |
| void PSS_unregisterInterrupt(void) |
| { |
| // |
| // Disable the interrupt. |
| // |
| Interrupt_disableInterrupt(INT_PSS); |
| |
| // |
| // Unregister the interrupt handler. |
| // |
| Interrupt_unregisterInterrupt(INT_PSS); |
| } |