GPIO

[doggedly 0]

I'm trying to get along with the GPIO connector.

I think the pin addressing will be different from the Tinkerboard version 1 (https://tinkerboarding.co.uk/wiki/images/d/d0/Gpio-pinout-expanded.png). This is probably due to a different processor.

Unfortunately, I can't find the address for Tinkerboard 2 anywhere.

I need the ability to control signals from a shell. Unfortunately, using the old addressing does not work. ex .:

echo 188 > /sys/class/gpio/export (pin 40 for Tinkerboard v1)
echo out > /sys/class/gpio/gpio188/direction
echo 1 > /sys/class/gpio/gpio188/value

[yi-hsin_hung 3]

Hi doggedly:

Please reference the following table for Tinkerboard 2. If you have any problem, please let us know! 

 

GPIO number	Function2	Function1	GPIO	Pin#		Pin#	GPIO	Function1	Function2	GPIO number
		VCC3.3V_IO		1		2		VCC5V_SYS
73		I2C6_SDA	GPIO2_B1	3		4		VCC5V_SYS
74		I2C6_SCL	GPIO2_B2	5		6		GND
8		TEST_CLKOUT2	GPIO0_B0	7		8	GPIO2_C1	UART0_TXD		81
		GND		9		10	GPIO2_C0	UART0_RXD		80
83		UART0_RTSN	GPIO2_C3	11		12	GPIO3_D0	I2S0_SCLK		120
85		SPI5_TX	GPIO2_C5	13		14		GND
84		SPI5_RX	GPIO2_C4	15		16	GPIO2_C6	SPI5_CLK		86
		VCC3.3V_IO		17		18	GPIO2_C7	SPI5_CSN		87
40	UART4_TXD	SPI1_TXD	GPIO1_B0	19		20		GND
39	UART4_RXD	SPI1_RXD	GPIO1_A7	21		22	GPIO3_D4	I2S0_SDO3		124
41		SPI1_CLK	GPIO1_B1	23		24	GPIO1_B2	SPI1_CSN		42
		GND		25		26	GPIO0_A6	PWM3A_IR		6
71		I2C7_SDA	GPIO2_A7	27		28	GPIO2_B0	I2C7_SCL		72
126		I2S0_SDO1	GPIO3_D6	29		30		GND
125		I2S0_SDO2	GPIO3_D5	31		32	GPIO4_C2	PWM0		146
150		PWM1	GPIO4_C6	33		34		GND
121		I2S0_FS	GPIO3_D1	35		36	GPIO2_C2	UART0_CTSN		82
149		SPDIF_TX	GPIO4_C5	37		38	GPIO3_D3	I2S0_SDI0		123
		GND		39		40	GPIO3_D7	I2S0_SDO0		127

[doggedly 0]

thnx ?

hmmmm... but

i try pin 40 address 127, like at Tinkerboard 1/1S 

echo 127 > /sys/class/gpio/export
echo out > /sys/class/gpio/gpio127/direction
echo 1 > /sys/class/gpio/gpio127/value

and no change value to "1"

no errors...

why?

 

i have simple script to init fan on Tinkerboard 1. This script work on 300 pcs.
Modify address and not work:

gpio_pin=127
direction=out
fan_on=1
fan_off=0
sleep_start=5

#inicjalizacja pin w GPIO 
echo $gpio_pin > /sys/class/gpio/export 
echo $direction > /sys/class/gpio/gpio127/direction

#Test wentylatora po uruchomieniu systemu - wentylator powinen właczyc się na 5 sekund i wylaczyc
echo $fan_on > /sys/class/gpio/gpio127/value
sleep $sleep_start
echo $fan_off > /sys/class/gpio/gpio127/value
sleep $sleep_start
sh /system/fantb2loop.sh
exit

[yi-hsin_hung 3]

Hi doggedly:

    The following red parts pin are for I2S so that you can't control the pins by gpio ways because the hdmi audio card need the pins.

Thank a lot!

 

126		I2S0_SDO1	GPIO3_D6	29		30		GND
125		I2S0_SDO2	GPIO3_D5	31		32	GPIO4_C2	PWM0		146
150		PWM1	GPIO4_C6	33		34		GND
121		I2S0_FS	GPIO3_D1	35		36	GPIO2_C2	UART0_CTSN		82
149		SPDIF_TX	GPIO4_C5	37		38	GPIO3_D3	I2S0_SDI0		123
		GND		39		40	GPIO3_D7	I2S0_SDO0		127

[doggedly 0]

ok its work! ?

thnx

[saifi 0]

I have some inquiries if it’s not too much trouble ??, guide me about this. These inquiries are displayed underneath here?:

https://tinker-board.asus.com/forum/index.php?/topic/15124-is-the-tinkerboard-2-dead/

Sitting tight for most appropriate response straightaway. I’m excessively confounded here??

[Sumaira 0]

i have some queries related this? ?

https://tinker-board.asus.com/forum/index.php?/topic/15256-no-display/
Can some one please help