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uart functionality (delay) + interrupt tested
[cortex-from-scratch]
/
clock.c
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#include <stdbool.h>
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#include <stddef.h>
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#include <stdint.h>
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#include <stm32.h>
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#include <mmap.h>
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void clock_init() {
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*RCC_CR = *RCC_CR | 0x00010000;
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for (int i = 0; i < 200; i++) {
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}
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*RCC_CFGR = *RCC_CFGR | 0x05000001;
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}