Gpio_Xtra_Pin: 1114H-1144H; Trigger_Mode: 830H - Point Grey Flea3 GigE Technical Reference

Point Grey Flea3 GigE Technical Reference
E.5

GPIO_XTRA_PIN: 1114h-1144h

These registers contain mode specific data for the GPIO pins. Units are ticks of a 1.024MHz clock.
Pin Register
0 GPIO_XTRA_PIN_0
1 GPIO_XTRA_PIN_1
2 GPIO_XTRA_PIN_2
3 GPIO_XTRA_PIN_3
Format:
Field
Mode_Specific_1
Mode_Specific_2
E.6

TRIGGER_MODE: 830h

Control of the register is via the ON_OFF bit and the Trigger_Mode and Parameter fields.
Format
Field
Presence_Inq
Abs_Control
ON_OFF
Trigger_Polarity
Trigger_Source
Trigger_Value
Revised 10/29/2013
Copyright ©2010-2013 Point Grey Research Inc.
1114h
1124h
1134h
1144h
Bit
[0-15] GPIO_MODE_4: Low period of PWM pulse (if Pwm_Pol = 0)
[16-31] GPIO_MODE_4: High period of PWM pulse (if Pwm_Pol = 0)
Bit
Presence of this feature
[0]
0: Not Available, 1: Available
Absolute value control
[1]
0: Control with the Value field, 1: Control with the Absolute value CSR.
If this bit = 1, the value in the Value field is read-only.
[2-5] Reserved
Read: read a status
Write: ON or OFF for this feature
[6]
0: OFF, 1: ON
If this bit = 0, other fields will be read only
Select trigger polarity (except for Software_Trigger)
[7]
0: Trigger active low, 1: Trigger active high
Select trigger source: used to select which GPIO pin will be used for external trigger purposes.
[8-10]
Sets trigger source ID from Trigger_Source_Inq field of TRIGGER_INQ register.
Trigger input raw signal value: used to determine the current raw signal value on the pin.
Read only
[11]
0: Low, 1: High
[8-11] Reserved
Description
Description
E Control and Status Registers
114