Article updated
at 28 Oct 2017
Attention: this is a legacy library and thus not supported by Toradex anymore. We recommend that you use the new libraries for all Toradex modules. Please see the Toradex CE Libraries and Code Samples for up-to-date information.
Library to support Pulse Width Modulation (PWM)
#define
PWM_VER_MAJ 2 Version Info.
#define
PWM_VER_MIN 1#define
PWM_VER_BUILD 2#define
COLIBRI_PWM1 0#define
COLIBRI_PWM2 1#define
COLIBRI_PWM3 2#define
COLIBRI_PWM4 3#define
APALIS_PWM1 3#define
APALIS_PWM2 2#define
APALIS_PWM3 1#define
APALIS_PWM4 0
| void DeInitPWM |
( |
DWORD |
pwm |
) |
|
Deinitialise PWM Controller
- Parameters:
-
| [in] |
pwm,: |
channel to use (0-3) |
| void InitPWM |
( |
DWORD |
pwm, |
|
|
DWORD |
prescale, |
|
|
DWORD |
period |
|
) |
|
|
Initialise PWM Controller (0-3)
- Parameters:
-
| [in] |
prescale,: |
scale factor for the 13Mhz Clock (1-64) |
| [in] |
period,: |
period length in scaled clocks units. Note - This is fixed for Tegra 2 i.e. 256 |
| void PWMGetLibVersion |
( |
DWORD * |
pVerMaj, |
|
|
DWORD * |
pVerMin, |
|
|
DWORD * |
pBuild |
|
) |
|
|
get the library version
- Parameters:
-
| Out] |
pVerMaj Returns the major version number. Set this parameter to NULL if not required. |
| Out] |
pVerMin: Returns the minor version number. Set this parameter to NULL if not required. |
| Out] |
pBuild: Returns the build number. Set this parameter to NULL if not required. |
| void SetPWMDuty |
( |
DWORD |
pwm, |
|
|
DWORD |
duty |
|
) |
|
|
Assign duty cycle in PWM Controller
- Parameters:
-
| [in] |
pwm,: |
channel to use (0-3) |
| [in] |
duty,: |
high time in scaled clocks units for each period i.e. 256 |
| void SetPWMDutyPercentage |
( |
DWORD |
pwm, |
|
|
DWORD |
duty |
|
) |
|
|
Assign percentage duty cycle in PWM Controller
- Parameters:
-
| [in] |
pwm,: |
channel to use (0-3) |
| [in] |
duty,: |
high time in percantage (0-100) |
