mbed official / mbed-src

mbed library sources

Dependents:   Encrypted my_mbed lklk CyaSSL_DTLS_Cellular ... more

Superseded

This library was superseded by mbed-dev - https://os.mbed.com/users/mbed_official/code/mbed-dev/.

Development branch of the mbed library sources. This library is kept in synch with the latest changes from the mbed SDK and it is not guaranteed to work.

If you are looking for a stable and tested release, please import one of the official mbed library releases:

Import librarymbed

The official Mbed 2 C/C++ SDK provides the software platform and libraries to build your applications.

Last commit 20 Feb 2019 by mbed official

Files at this revision

API Documentation at this revision

Revision 264:91fcbf887208, committed 2014-07-23

Comitter:
mbed_official
Date:
Wed Jul 23 08:45:10 2014 +0100
Parent:
263:3095fd66fd32
Child:
265:9632ea190e16
Commit message:
Synchronized with git revision 6663575abc7a56be6750c7be598b3e383855a2f7

Full URL: https://github.com/mbedmicro/mbed/commit/6663575abc7a56be6750c7be598b3e383855a2f7/

Changed in this revision

targets/hal/TARGET_Freescale/TARGET_K20D50M/pwmout_api.c Show annotated file Show diff for this revision Revisions of this file
targets/hal/TARGET_Freescale/TARGET_KLXX/pwmout_api.c Show annotated file Show diff for this revision Revisions of this file 
--- a/targets/hal/TARGET_Freescale/TARGET_K20D50M/pwmout_api.c	Tue Jul 22 09:15:07 2014 +0100
+++ b/targets/hal/TARGET_Freescale/TARGET_K20D50M/pwmout_api.c	Wed Jul 23 08:45:10 2014 +0100
@@ -99,11 +99,11 @@
         value = 1.0;
     }
 
-    *obj->CnV = (uint32_t)((float)(*obj->MOD) * value);
+    *obj->CnV = (uint32_t)((float)(*obj->MOD + 1) * value);
 }
 
 float pwmout_read(pwmout_t* obj) {
-    float v = (float)(*obj->CnV) / (float)(*obj->MOD);
+    float v = (float)(*obj->CnV) / (float)(*obj->MOD + 1);
     return (v > 1.0) ? (1.0) : (v);
 }
 
@@ -118,7 +118,7 @@
 // Set the PWM period, keeping the duty cycle the same.
 void pwmout_period_us(pwmout_t* obj, int us) {
     float dc = pwmout_read(obj);
-    *obj->MOD = (uint32_t)(pwm_clock * (float)us);
+    *obj->MOD = (uint32_t)(pwm_clock * (float)us) - 1;
     pwmout_write(obj, dc);
 }
 

--- a/targets/hal/TARGET_Freescale/TARGET_KLXX/pwmout_api.c	Tue Jul 22 09:15:07 2014 +0100
+++ b/targets/hal/TARGET_Freescale/TARGET_KLXX/pwmout_api.c	Wed Jul 23 08:45:10 2014 +0100
@@ -78,12 +78,12 @@
         value = 1.0;
     }
 
-    *obj->CnV = (uint32_t)((float)(*obj->MOD) * value);
+    *obj->CnV = (uint32_t)((float)(*obj->MOD + 1) * value);
     *obj->CNT = 0;
 }
 
 float pwmout_read(pwmout_t* obj) {
-    float v = (float)(*obj->CnV) / (float)(*obj->MOD);
+    float v = (float)(*obj->CnV) / (float)(*obj->MOD + 1);
     return (v > 1.0) ? (1.0) : (v);
 }
 
@@ -98,7 +98,7 @@
 // Set the PWM period, keeping the duty cycle the same.
 void pwmout_period_us(pwmout_t* obj, int us) {
     float dc = pwmout_read(obj);
-    *obj->MOD = (uint32_t)(pwm_clock * (float)us);
+    *obj->MOD = (uint32_t)(pwm_clock * (float)us) - 1;
     pwmout_write(obj, dc);
 }