ARMmbed
/
mbed-os
mirror of https://github.com/ARMmbed/mbed-os.git
1
0
Fork 0
Code Issues Projects Releases Wiki Activity

Changed LOOP_SCALER of "wait_ns()"

pull/10326/head
d-kato 2019-03-25 20:30:12 +09:00 committed by Martin Kojtal
parent fe1b368415
commit 012a117df7
1 changed files with 2 additions and 3 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
platform/mbed_wait_api_no_rtos.c
View File

@ -75,9 +75,8 @@ void wait_us(int us)
#endif #endif
#elif defined __CORTEX_A #elif defined __CORTEX_A
#if __CORTEX_A == 9 #if __CORTEX_A == 9
// Cortex-A9 is dual-issue, so let's assume same performance as Cortex-M7. // Cortex-A9 can dual issue for 3 cycles per iteration (SUB,NOP) = 1, (NOP,BCS) = 2
// TODO - test. #define LOOP_SCALER 3000
#define LOOP_SCALER 2000
#endif #endif
#endif #endif