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RS-485 ports execution
"'Controller"'
|
"'Linux port name'"
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"'Connector on controller'"
|
Note
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Wiren Board Smart Home 3.5/en
|
"/dev/ttyNSC0"
|
Green terminal pair
|
Jumper terminators in Wiren Board Smart Home 3.5 half-Duplex ports. Transceivers are connected to the chip SC16IS752/en. terminators between lines A and B are installed On the Board, they can be turned off by unsoldering the jumpers (by default they are soldered) - see photos
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"/dev/ttyNSC1"
|
Blue pair of terminals
|
GPIOs for FETs (open-drain outputs)
terminal block |
function |
GPIO # |
SoM pin |
comments
|
ADC1 terminal block |
FET/ADC |
52 |
26 @ CON1 |
open collector output; ADC channel 0
|
ADC2 terminal block |
FET/ADC |
50 |
25 @ CON1 |
Open collector output; ADC channel 1
|
FET/ADC |
57 |
22 @ CON1 |
Open collector output; ADC channel 2
|
ADC4 terminal block |
FET/ADC |
54 |
21 @ CON1 |
open collector output; ADC channel 3
|
GPIO output to terminals
terminal block |
function |
GPIO |
olinuxino output |
comments
|
Terminal strip R1 |
GPIO, resistive sensor input |
16 |
19 @ CON1 |
ADC channel 4
|
Terminal strip R2 |
GPIO, resistive sensor input |
7 |
18 @ CON1 |
ADC channel 6, pullup can be activated
|
Terminal strip R3 |
GPIO, resistive sensor input |
6 |
17 @ CON1 |
ADC channel 7, pullup can be activated
|
Terminal strip R4 |
GPIO, resistive sensor input |
5 |
16 @ CON1 |
ADC channel 5, pullup can be activated
|
Terminal strip W1 |
GPIO/1-wire |
4 |
15 @ CON1 |
built-in hardware pullup
|
Terminal strip W2 |
GPIO/1-wire |
2 |
13 @ CON1 |
built-in hardware pullup
|
Terminal strip W3 |
GPIO/1-wire |
1 |
12 @ CON1 |
built-in hardware pullup
|
GPIOs on terminals
UEXT1
Linux GPIO |
|
UEXT pin |
|
38 |
9 @ CON1 |
UEXT SPI CS |
10
|
55 |
7 @ CON2 |
UEXT I2C SCL |
5
|
56 |
8 @ CON2 |
UEXT I2C SDA |
6
|
UEXT2
GPIOs on relays
GPIOs for internal use
Linux GPIO |
|
|
34 |
3 @ CON1 |
ADC MUX A
|
33 |
4 @ CON1 |
ADC MUX B
|
32 |
5 @ CON1 |
ADC MUX C
|
39 |
10@ CON1 |
3.3V rail shutdown
|
3 |
12 @ CON2 |
sc16is752 chip select
|
17 |
20 @ CON1 |
IRQ sc16is752
|
36 |
7@ CON1 |
RFM69H IRQ
|
51 |
27@ CON1 |
RFM69H chip select
|
53 |
14@ CON1 |
RFM69H DIO2 (raw i/o)
|
35 |
6@ CON1 |
NRF24L01 chip select
|
37 |
8@ CON1 |
NRF24L01 enable
|
92 |
24@ CON2 |
MCP2515 IRQ
|
91 |
25@ CON2 |
MCP2515 chip select
|
23 |
26@ CON2 |
RTC I2C SCL
|
25 |
27@ CON2 |
RTC I2C SDA
|
245 |
GPIO3 @ LAN951x |
SIM900R power FET
|
248 |
GPIO6 @ LAN951x |
SIM900R power KEY
|
249 |
GPIO7 @ LAN951x |
SIM900R power status (input)
|
See also Managing GPIOs