| /* |
| * ------------------------------------------- |
| * 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--*/ |
| #include <timer32.h> |
| #include <interrupt.h> |
| #include <debug.h> |
| |
| void Timer32_initModule(uint32_t timer, uint32_t preScaler, uint32_t resolution, |
| uint32_t mode) |
| { |
| /* Setting up one shot or continuous mode */ |
| if (mode == TIMER32_PERIODIC_MODE) |
| BITBAND_PERI(TIMER32_CMSIS(timer)->CONTROL, TIMER32_CONTROL_MODE_OFS) |
| = 1; |
| else if (mode == TIMER32_FREE_RUN_MODE) |
| BITBAND_PERI(TIMER32_CMSIS(timer)->CONTROL, TIMER32_CONTROL_MODE_OFS) |
| = 0; |
| else |
| ASSERT(false); |
| |
| /* Setting the resolution of the timer */ |
| if (resolution == TIMER32_1_MODULE6BIT) |
| BITBAND_PERI(TIMER32_CMSIS(timer)->CONTROL, TIMER32_CONTROL_SIZE_OFS) |
| = 0; |
| else if (resolution == TIMER32_32BIT) |
| BITBAND_PERI(TIMER32_CMSIS(timer)->CONTROL, TIMER32_CONTROL_SIZE_OFS) |
| = 1; |
| else |
| ASSERT(false); |
| |
| /* Setting the PreScaler */ |
| ASSERT( |
| resolution == TIMER32_PRESCALER_1 |
| || resolution == TIMER32_PRESCALER_16 |
| || resolution == TIMER32_PRESCALER_256); |
| |
| TIMER32_CMSIS(timer)->CONTROL = TIMER32_CMSIS(timer)->CONTROL |
| & (~TIMER32_CONTROL_PRESCALE_MASK) | preScaler; |
| |
| } |
| |
| void Timer32_setCount(uint32_t timer, uint32_t count) |
| { |
| if (!BITBAND_PERI(TIMER32_CMSIS(timer)->CONTROL, TIMER32_CONTROL_SIZE_OFS) |
| && (count > UINT16_MAX)) |
| TIMER32_CMSIS(timer)->LOAD = UINT16_MAX; |
| else |
| TIMER32_CMSIS(timer)->LOAD = count; |
| } |
| |
| void Timer32_setCountInBackground(uint32_t timer, uint32_t count) |
| { |
| if (!BITBAND_PERI(TIMER32_CMSIS(timer)->CONTROL, TIMER32_CONTROL_SIZE_OFS) |
| && (count > UINT16_MAX)) |
| TIMER32_CMSIS(timer)->BGLOAD = UINT16_MAX; |
| else |
| TIMER32_CMSIS(timer)->BGLOAD = count; |
| } |
| |
| uint32_t Timer32_getValue(uint32_t timer) |
| { |
| return TIMER32_CMSIS(timer)->VALUE; |
| } |
| |
| void Timer32_startTimer(uint32_t timer, bool oneShot) |
| { |
| ASSERT(timer == TIMER32_0_MODULE || timer == TIMER32_1_MODULE); |
| |
| if (oneShot) |
| BITBAND_PERI(TIMER32_CMSIS(timer)->CONTROL, TIMER32_CONTROL_ONESHOT_OFS) |
| = 1; |
| else |
| BITBAND_PERI(TIMER32_CMSIS(timer)->CONTROL, TIMER32_CONTROL_ONESHOT_OFS) |
| = 0; |
| |
| TIMER32_CMSIS(timer)->CONTROL |= TIMER32_CONTROL_ENABLE; |
| } |
| |
| void Timer32_haltTimer(uint32_t timer) |
| { |
| ASSERT(timer == TIMER32_0_MODULE || timer == TIMER32_1_MODULE); |
| |
| TIMER32_CMSIS(timer)->CONTROL &= ~TIMER32_CONTROL_ENABLE; |
| } |
| |
| void Timer32_enableInterrupt(uint32_t timer) |
| { |
| TIMER32_CMSIS(timer)->CONTROL |= TIMER32_CONTROL_IE; |
| } |
| |
| void Timer32_disableInterrupt(uint32_t timer) |
| { |
| TIMER32_CMSIS(timer)->CONTROL &= ~TIMER32_CONTROL_IE; |
| } |
| |
| void Timer32_clearInterruptFlag(uint32_t timer) |
| { |
| TIMER32_CMSIS(timer)->INTCLR |= 0x01; |
| } |
| |
| uint32_t Timer32_getInterruptStatus(uint32_t timer) |
| { |
| return TIMER32_CMSIS(timer)->MIS; |
| } |
| |
| void Timer32_registerInterrupt(uint32_t timerInterrupt, |
| void (*intHandler)(void)) |
| { |
| Interrupt_registerInterrupt(timerInterrupt, intHandler); |
| Interrupt_enableInterrupt(timerInterrupt); |
| } |
| |
| void Timer32_unregisterInterrupt(uint32_t timerInterrupt) |
| { |
| Interrupt_disableInterrupt(timerInterrupt); |
| Interrupt_unregisterInterrupt(timerInterrupt); |
| } |
| |