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software uart logs: more precise timings

This commit is contained in:
SG 2023-09-22 05:40:13 +03:00
parent df9146e89e
commit 106887d0bf
1 changed files with 1 additions and 1 deletions
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2
components/soft-uart/soft-uart.c
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@ -14,7 +14,7 @@ struct SoftUart {
#define wait_cycles(cycles) \
for(uint32_t start = cycle_count_get(); cycle_count_get() - start < cycles;)
static uint32_t cycle_count_get() {
static inline uint32_t __attribute__((always_inline)) cycle_count_get() {
uint32_t ccount;
__asm__ __volatile__("esync; rsr %0,ccount" : "=a"(ccount));
return ccount;