¶ General Description
Searches for a specified byte sequence in the RXD (receiver) buffer.
The RXD buffer size is 128 bytes.
The function uses the RXD buffer
¶ Graphical Representation
| Function Menu | Block Diagram |
|---|---|
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¶ Inputs
| Name | Type | Description |
|---|---|---|
index |
int32 |
Position in the RXD buffer from which the search begins. The first buffer element has an index of 0. |
¶ Outputs
| Name | Type | Description |
|---|---|---|
result |
int32 |
Search result: ≥0 — Data found, index of the buffer element immediately following the found sequence. -1 — Data not found. |
¶ Settings
| Name | Description |
|---|---|
| Data | The sequence to search for in the RXD buffer. Specified in HEX or ASCII (text). The following is an example of the same data recorded in HEX and ASCII: HEX: 3120322033ASCII: 1 2 3 |
¶ Examples
¶ Example 1
If RXD = [01,02,03,04,05,06...], index = 0, data = 0203, then result = 3
If RXD = [01,02,03,04,05,06...], index = 2, data = 0203, then result = -1
If RXD = [01,02,03,04,05,06...], index = 0, data = 3322, then result = -1