2 * -------------------------------------------
3 * MSP432 DriverLib - v01_04_00_18
4 * -------------------------------------------
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38 #include <interrupt.h>
41 void SysTick_enableModule(void)
46 SysTick->CTRL |= SysTick_CTRL_CLKSOURCE_Msk | SysTick_CTRL_ENABLE_Msk;
49 void SysTick_disableModule(void)
54 SysTick->CTRL &= ~(SysTick_CTRL_ENABLE_Msk);
57 void SysTick_registerInterrupt(void (*intHandler)(void))
60 // Register the interrupt handler, returning an error if an error occurs.
62 Interrupt_registerInterrupt(FAULT_SYSTICK, intHandler);
66 void SysTick_unregisterInterrupt(void)
70 // Unregister the interrupt handler.
72 Interrupt_unregisterInterrupt(FAULT_SYSTICK);
75 void SysTick_enableInterrupt(void)
78 // Enable the SysTick interrupt.
80 SysTick->CTRL |= SysTick_CTRL_TICKINT_Msk;
83 void SysTick_disableInterrupt(void)
86 // Disable the SysTick interrupt.
88 SysTick->CTRL &= ~(SysTick_CTRL_TICKINT_Msk);
91 void SysTick_setPeriod(uint32_t period)
94 // Check the arguments.
96 ASSERT((period > 0) && (period <= 16777216));
99 // Set the period of the SysTick counter.
101 SysTick->LOAD = period - 1;
104 uint32_t SysTick_getPeriod(void)
107 // Return the period of the SysTick counter.
109 return (SysTick->LOAD + 1);
112 uint32_t SysTick_getValue(void)
115 // Return the current value of the SysTick counter.
117 return (SysTick->VAL);