PWMOut functions

Functions
EXTERN_C CCAUXDLL_API PWMOUTHANDLE CCAUXDLL_CALLING_CONV	GetPWMOut (void)
EXTERN_C CCAUXDLL_API void CCAUXDLL_CALLING_CONV	PWMOut_release (PWMOUTHANDLE)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_setPWMOutputChannelDutyCycle (PWMOUTHANDLE, uint8_t channel, uint16_t duty_cycle)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_setPWMOutputChannelFrequency (PWMOUTHANDLE, uint8_t channel, float32_t frequency)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_getPWMOutputChannelDutyCycle (PWMOUTHANDLE, uint8_t channel, uint16_t *duty_cycle)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_getPWMOutputChannelFrequency (PWMOUTHANDLE, uint8_t channel, float32_t *frequency)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_getPWMOutputStatus (PWMOUTHANDLE, uint16_t *status)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_getPWMOutputStatus2 (PWMOUTHANDLE, uint8_t channel, uint16_t *status)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_setPWMOutOff (PWMOUTHANDLE, uint8_t channel)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_getActiveIomcu (PWMOUTHANDLE, uint8_t *ioindex)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_setActiveIomcu (PWMOUTHANDLE, uint8_t ioindex)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_getPWMOutputPU (PWMOUTHANDLE, uint8_t channel, uint16_t *status)
EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV	PWMOut_setPWMOutputPU (PWMOUTHANDLE, uint8_t channel, uint16_t status)

Detailed Description

Functions in the PWMOut class

Function Documentation

GetPWMOut()

EXTERN_C CCAUXDLL_API PWMOUTHANDLE CCAUXDLL_CALLING_CONV CrossControl::GetPWMOut

(

void

)

Factory function that creates instances of the PWMOut object.

Supported Platform(s): Yukon, V510, V710

Returns

PWMOUTHANDLE to an allocated PWMOut object. The returned handle needs to be deallocated using the PWMOut_release(PWMOUTHANDLE) method when it's no longer needed. Returns NULL if it fails to allocate memory.

Example Usage:

  PWMOUTHANDLE pPwmOut = ::GetPWMOut();
  assert(pPwmOut);
 
  pwmout_example(pPwmOut);
 
  PWMOut_release(pPwmOut);

PWMOut_getActiveIomcu()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_getActiveIomcu	(	PWMOUTHANDLE	,
		uint8_t *	ioindex
	)

Get active io mcu number

Supported Platform(s): Yukon, V510, V710

Parameters

ioindex

Io mcu number, valid values are 1-4.

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  uint8_t mcu;
 
  err = PWMOut_getActiveIomcu(pPwmOut, &mcu);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_setActiveIomcu: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    cout << "PWMOut_setActiveIomcu: Active io mcu: " << (int)mcu << std::endl;
  }

PWMOut_getPWMOutputChannelDutyCycle()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_getPWMOutputChannelDutyCycle	(	PWMOUTHANDLE	,
		uint8_t	channel,
		uint16_t *	duty_cycle
	)

Get current PWM output duty cycle

Supported Platform(s): Yukon, V510, V710

Parameters

channel	Channel to get value from. Numbering starts from 1.
duty_cycle	Current duty cycle value (0-4095) that corresponds to 0-100%.

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  unsigned short duty;
  err = PWMOut_getPWMOutputChannelDutyCycle(pPwmOut, 1, &duty);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_getPWMOutputChannelDutyCycle: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    cout << "PWMOut_getPWMOutputChannelDutyCycle channel 1: " << (int)duty << "duty cycle" << std::endl;
  }

PWMOut_getPWMOutputChannelFrequency()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_getPWMOutputChannelFrequency	(	PWMOUTHANDLE	,
		uint8_t	channel,
		float32_t *	frequency
	)

Get current PWM output frequency

Supported Platform(s): Yukon, V510, V710

Parameters

channel	Channel to get value from. Numbering starts from 1.
frequency	Current frequency in Hz (1.0 - 5000Hz)

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  float frequency;
  err = PWMOut_getPWMOutputChannelFrequency(pPwmOut, 1, &frequency);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_getPWMOutputChannelFrequency: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    cout << "PWMOut_getPWMOutputChannelFrequency channel 1: " << std::fixed << frequency << "Hz" << std::endl;
  }

PWMOut_getPWMOutputPU()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_getPWMOutputPU	(	PWMOUTHANDLE	,
		uint8_t	channel,
		uint16_t *	status
	)

Get pull up resistor status used for open load detection

Supported Platform(s): Yukon, V510, V710

Parameters

channel	Channel. Numbering starts from 1.
status	Status of the pull up resistor for the selected channel. Inactive = 0 Active = 1

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  uint16_t pu_status = 0;
  err = PWMOut_getPWMOutputPU(pPwmOut, 1, &pu_status);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_getPWMOutputPU " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    cout << "PWMOut_getPWMOutputPU: PWM output pullup resistor status for channel 1 is: " << pu_status << std::endl;
  }

PWMOut_getPWMOutputStatus()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_getPWMOutputStatus	(	PWMOUTHANDLE	,
		uint16_t *	status
	)

Get PWM Output status for all outputs at once

Supported Platform(s): Yukon, V510, V710

Parameters

status

The current pwm output status as a bit mask where each channel is represented by one bit. Bit 0 represents PWM output channel 1, Bit 1 represents PWM output channel 2 and so on. If bit is set, it means an error is detected. The output will be turned off when an error is detected. The error status remains until the output is turned off manually or restarted.

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  unsigned short status;
  err = PWMOut_getPWMOutputStatus(pPwmOut, &status);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_getPWMOutputStatus: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    if (status & 0x01)
      cout << "PWMOut_getPWMOutputStatus: Status Not OK for channel 1" << std::endl;
    if (status & 0x02)
      cout << "PWMOut_getPWMOutputStatus: Status Not OK for channel 2" << std::endl;
    if ((status & 0x03) == 0)
      cout << "PWMOut_getPWMOutputStatus: Status OK for both channels" << std::endl;
  }

PWMOut_getPWMOutputStatus2()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_getPWMOutputStatus2	(	PWMOUTHANDLE	,
		uint8_t	channel,
		uint16_t *	status
	)

Get PWM output status details

Supported Platform(s): Yukon, V510, V710

Parameters

channel	Channel to get status for. Numbering starts from 1.
status	Output channel status details. Note that not all outputs are able to detect all errors. The error status remains until the output is turned off manually or restarted. OK (no error) = 0 Short to ground = 1 Short to battery = 2 Over current = 4 Over temperature = 8 Open load = 16 Generic error = 32

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  err = PWMOut_getPWMOutputStatus2(pPwmOut, 1, &status);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_getPWMOutputStatus2 channel 1 error: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
      cout << "PWMOut_getPWMOutputStatus2: Status for channel 1: "<<(int)status<< std::endl;
  }
  err = PWMOut_getPWMOutputStatus2(pPwmOut, 2, &status);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_getPWMOutputStatus2 channel 2 error: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
      cout << "PWMOut_getPWMOutputStatus2: Status for channel 2: "<<(int)status<< std::endl;
  }

PWMOut_release()

EXTERN_C CCAUXDLL_API void CCAUXDLL_CALLING_CONV CrossControl::PWMOut_release

(

PWMOUTHANDLE

)

Release the PWMOut object.

Supported Platform(s): Yukon, V510, V710

Returns

-

Example Usage:

 
  PWMOUTHANDLE pPwmOut = ::GetPWMOut();
  assert(pPwmOut);
 
  pwmout_example(pPwmOut);
 
  PWMOut_release(pPwmOut);

PWMOut_setActiveIomcu()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_setActiveIomcu	(	PWMOUTHANDLE	,
		uint8_t	ioindex
	)

Set active io mcu

Supported Platform(s): Yukon, V510, V710

Parameters

ioindex

Io mcu number, valid values are 1-4.

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  err = PWMOut_setActiveIomcu(pPwmOut, 1);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_setActiveIomcu: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    cout << "Active io mcu set to 1" << std::endl;
  }

PWMOut_setPWMOutOff()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_setPWMOutOff	(	PWMOUTHANDLE	,
		uint8_t	channel
	)

Turn off PWM output This function sets duty cycle to 0 and frequency to 1 Hz.

Supported Platform(s): Yukon, V510, V710

Parameters

channel

Channel to turn off. Numbering starts from 1.

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  err = PWMOut_setPWMOutOff(pPwmOut, 1);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_setPWMOutOff: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    cout << "PWMOut_setPWMOutOff channel 1 turned off" << std::endl;
  }

PWMOut_setPWMOutputChannelDutyCycle()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_setPWMOutputChannelDutyCycle	(	PWMOUTHANDLE	,
		uint8_t	channel,
		uint16_t	duty_cycle
	)

Set PWM output duty cycle

Supported Platform(s): Yukon, V510, V710

Parameters

channel	Channel to set. Numbering starts from 1.
duty_cycle	Duty cycle value (0-4095) that corresponds to 0-100%.

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  err = PWMOut_setPWMOutputChannelDutyCycle(pPwmOut, 1, 2048);
  if (err != ERR_SUCCESS)
  {
    cout << "setPWMOutputChannelDutyCycle: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    cout << "setPWMOutputChannelDutyCycle: channel 1 set to 50% duty cycle" << std::endl;
  }

PWMOut_setPWMOutputChannelFrequency()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_setPWMOutputChannelFrequency	(	PWMOUTHANDLE	,
		uint8_t	channel,
		float32_t	frequency
	)

Set PWM output frequency

Supported Platform(s): Yukon, V510, V710

Parameters

channel	Channel to set. Numbering starts from 1.
frequency	Frequency (1.0 - 5000.0Hz)

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  err = PWMOut_setPWMOutputChannelFrequency(pPwmOut, 1, (float)100.0);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_setPWMOutputChannelFrequency: " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    cout << "PWMOut_setPWMOutputChannelFrequency: channel 1 set to 100Hz" << std::endl;
  }

PWMOut_setPWMOutputPU()

EXTERN_C CCAUXDLL_API eErr CCAUXDLL_CALLING_CONV CrossControl::PWMOut_setPWMOutputPU	(	PWMOUTHANDLE	,
		uint8_t	channel,
		uint16_t	status
	)

Activate or deactivate pull up resistor used for open load detection

Supported Platform(s): Yukon, V510, V710

Parameters

channel	Channel. Numbering starts from 1.
status	Status to set. Inactive = 0 Active = 1

Returns

error status. 0 = ERR_SUCCESS, otherwise error code. See the enum eErr for details.

Example Usage:

  err = PWMOut_setPWMOutputPU(pPwmOut, 1, 1);
  if (err != ERR_SUCCESS)
  {
    cout << "PWMOut_setPWMOutputPU " << GetErrorStringA(err) << std::endl;
  }
  else
  {
    cout << "PWMOut_setPWMOutputPU: PWM output pullup resistor set to 1 (active) for channel 1" << std::endl;
  }