35 lines
862 B
C
35 lines
862 B
C
#include "system.h"
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#include <libopencm3/cm3/systick.h>
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#include <stdint.h>
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volatile uint64_t ticks = 0;
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void sys_tick_handler(void) { ticks++; }
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uint64_t get_ticks(void) { return ticks; }
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void systick_setup(void) {
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// systick_set_frequency(1000, 72000000);
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systick_set_clocksource(STK_CSR_CLKSOURCE_AHB);
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systick_set_reload(72000000 / 1000 - 1); // 1ms tick
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systick_clear();
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systick_interrupt_enable();
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systick_counter_enable();
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}
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void sys_tick_setup(void) {
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ticks = 0;
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// rcc_clock_setup_pll(&rcc_hse_configs[RCC_CLOCK_HSE16_72MHZ]);
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// systick_set_clocksource(STK_CSR_CLKSOURCE_AHB_DIV8);
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systick_set_clocksource(STK_CSR_CLKSOURCE_AHB);
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// systick_set_reload(8999);
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systick_set_frequency(1000, 72000000);
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systick_clear();
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systick_interrupt_enable();
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systick_counter_enable();
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return;
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}
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