7.7.8. CMD_GPIO_LOCAL_READ_REQ
This command reads the free GPIOs of the local device. This command can be only run
successfully if the respective pins of the local device have been configured as output or
input pins before.
Format:
Start signal
Command
Length
Block
1
. . .
Block
n
CS
0x02
0x27
2 Bytes
x Bytes
x Bytes
1 Byte
Response (
Start signal
Command | 0x40
Length
Status
Block
1
. . .
Block
n
CS
0x02
0x67
2 Bytes
1 Byte
x Bytes
x Bytes
1 Byte
Status:
0x00:
Request received and processed
0x01:
Operation failed
0xFF:
Operation not permitted (i.e. no device connected via Bluetooth
®
LE)
CMD_GPIO_LOCAL_READ_REQ block structure
Each
Block
has the following format:
Length
GPIO_ID
1
. . .
GPIO_ID
n
1 Bytes
1 Byte
1 Byte
Length:
Length of the subsequent bytes in this block
GPIO_ID:
ID of the GPIO, see chapter
CMD_GPIO_LOCAL_READ_CNF block structure
Each
Block
has the following format:
Length
GPIO_ID
Value
0x02
1 Byte
1 Byte
Length:
Length of the subsequent bytes in this block
GPIO_ID:
ID of the GPIO, see chapter
Value:
0x00:
The remote GPIO is low.
0x01:
The remote GPIO is high.
0xFF:
Failed reading remote GPIO value.
Proteus-III reference manual version 1.3
© August 2020
www.we-online.com/wireless-connectivity
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