test / mbed_in_china

来自中国的硬件平台

Dependents:   mbed_in_china_blink_led

Fork of mbed-src by mbed official

Files at this revision

API Documentation at this revision

Revision 97:a69e21de83fb, committed 2014-02-18

Comitter:
mbed_official
Date:
Tue Feb 18 18:00:05 2014 +0000
Parent:
96:c359415e941f
Child:
98:3b81ecf1eeec
Commit message:
Synchronized with git revision 85837165133d2417a77f9cea67dfedd5aea2f929

Full URL: https://github.com/mbedmicro/mbed/commit/85837165133d2417a77f9cea67dfedd5aea2f929/

Properly round non integer bus-frequencies in MHz

Changed in this revision

targets/hal/TARGET_Freescale/TARGET_KLXX/us_ticker.c Show annotated file Show diff for this revision Revisions of this file 
--- a/targets/hal/TARGET_Freescale/TARGET_KLXX/us_ticker.c	Tue Feb 18 15:45:07 2014 +0000
+++ b/targets/hal/TARGET_Freescale/TARGET_KLXX/us_ticker.c	Tue Feb 18 18:00:05 2014 +0000
@@ -44,7 +44,7 @@
     PIT->CHANNEL[1].TCTRL |= PIT_TCTRL_TEN_MASK;   // Start timer 1
     
     // Use channel 0 as a prescaler for channel 1
-    PIT->CHANNEL[0].LDVAL = bus_frequency() / 1000000 - 1;
+    PIT->CHANNEL[0].LDVAL = (bus_frequency() + 500000) / 1000000 - 1;
     PIT->CHANNEL[0].TCTRL = PIT_TCTRL_TEN_MASK;    // Start timer 0, disable interrupts
 }