2020-2021 Sunseeker Telemetry and Lighting System
timer_a_ex1_pwmSingle.c
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32 //*******************************************************************************
59 //******************************************************************************
60 
61 #include "driverlib.h"
62 
63 #define TIMER_A_PERIOD 524
64 #define DUTY_CYCLE 393
65 
66 
67 void main (void)
68 {
69  //Stop WDT
70  WDT_A_hold(WDT_A_BASE);
71 
72  //P1.2 as PWM output
73  GPIO_setAsPeripheralModuleFunctionOutputPin(
74  GPIO_PORT_P1,
75  GPIO_PIN2,
76  GPIO_PRIMARY_MODULE_FUNCTION
77  );
78 
79  /*
80  * Disable the GPIO power-on default high-impedance mode to activate
81  * previously configured port settings
82  */
83  PMM_unlockLPM5();
84 
85  //Generate PWM - Timer runs in Up-Down mode
86  Timer_A_outputPWMParam param = {0};
87  param.clockSource = TIMER_A_CLOCKSOURCE_SMCLK;
88  param.clockSourceDivider = TIMER_A_CLOCKSOURCE_DIVIDER_1;
89  param.timerPeriod = TIMER_A_PERIOD;
90  param.compareRegister = TIMER_A_CAPTURECOMPARE_REGISTER_1;
91  param.compareOutputMode = TIMER_A_OUTPUTMODE_RESET_SET;
92  param.dutyCycle = DUTY_CYCLE;
93  Timer_A_outputPWM(TIMER_A1_BASE, &param);
94 
95  //Enter LPM0
96  __bis_SR_register(LPM0_bits);
97 
98  //For debugger
100 }
101 
void main(void)
MPU_initThreeSegmentsParam param
#define DUTY_CYCLE
#define TIMER_A_PERIOD
__no_operation()