1 files changed, 6 insertions, 0 deletions
diff --git a/esp8266/esp_mphal.h b/esp8266/esp_mphal.h
index 91fee21198..fa52ae53a2 100644
--- a/esp8266/esp_mphal.h
+++ b/esp8266/esp_mphal.h
@@ -47,6 +47,12 @@ void mp_hal_init(void);
 void mp_hal_rtc_init(void);
 
 uint32_t mp_hal_ticks_us(void);
+__attribute__((always_inline)) static inline uint32_t mp_hal_ticks_cpu(void) {
+  uint32_t ccount;
+  __asm__ __volatile__("rsr %0,ccount":"=a" (ccount));
+  return ccount;
+}
+
 void mp_hal_delay_us(uint32_t);
 void mp_hal_set_interrupt_char(int c);
 uint32_t mp_hal_get_cpu_freq(void);