45 lines
1.3 KiB
C
45 lines
1.3 KiB
C
#include <stdbool.h>
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#include <stdint.h>
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#include "bump.h"
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#include "delay.h"
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#include "clock.h"
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#include "reflectance.h"
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#include "cpu.h"
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#include "inc/msp432p401r.h"
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void DebugDump(uint8_t bump, uint8_t line) {
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// write this as part of Lab 10
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}
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// **************SysTick_Init*********************
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// Initialize SysTick periodic interrupts
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// Input: interrupt period
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// Units of period are in bus clock period
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// Maximum is 2^24-1
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// Minimum is determined by execution time of the ISR
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// Input: priority 0 (high) to 7 (low)
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// Output: none
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void SysTickInit(uint32_t period, uint32_t priority) {
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SysTick->CTRL = 0; // 1) disable SysTick during setup
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SysTick->LOAD = period - 1; // 2) reload value sets period
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SysTick->VAL = 0; // 3) any write to current clears it
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SCB->SHP[11] = priority << 5; // set priority into top 3 bits of 8-bit register
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SysTick->CTRL = 0x00000007; // 4) enable SysTick with core clock and interrupts
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}
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void SysTick_Handler(void) { // every 1ms
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// write this as part of Lab 10
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}
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int main(void) {
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// write this as part of Lab 3
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ClockInit48MHz();
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BumpInit();
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ReflectanceInit();
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SysTickInit(?, 1); // 1ms SysTickInit
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CPU_cpsie(); // Enable interrupts
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while (true) {}
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}
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