Difference between revisions of "Serial port"
From FriendlyELEC WiKi
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[[Serial port/zh|查看中文]] | [[Serial port/zh|查看中文]] | ||
| − | ====Serial Device Names under Multiple Platforms | + | ===Serial port communication in C=== |
| − | + | Please refre：[https://github.com/friendlyarm/comtest] | |
| + | |||
| + | ===Serial Device Names under Multiple Platforms=== | ||
| + | ====Allwinner H3/H5 Based Boards (NanoPi M1/NanoPi M1 Plus etc)==== | ||
UART1-> /dev/ttyS1<br /> | UART1-> /dev/ttyS1<br /> | ||
UART2 -> /dev/ttyS2<br /> | UART2 -> /dev/ttyS2<br /> | ||
UART3 -> /dev/ttyS3 (Only applies to NanoPi M1, NanoPi K1 and NanoPi K1 Plus)<br /> | UART3 -> /dev/ttyS3 (Only applies to NanoPi M1, NanoPi K1 and NanoPi K1 Plus)<br /> | ||
| − | + | ====S5P4418 Based Boards (NanoPi Fire2A/NanoPi M2A/NanoPi S2/NanoPC-T2 etc)==== | |
UART1 -> /dev/ttyAMA1 [Note 1]<br /> | UART1 -> /dev/ttyAMA1 [Note 1]<br /> | ||
UART2 -> /dev/ttyAMA2 [Note 1]<br /> | UART2 -> /dev/ttyAMA2 [Note 1]<br /> | ||
| Line 13: | Line 16: | ||
UART4 -> /dev/ttyAMA4<br /> | UART4 -> /dev/ttyAMA4<br /> | ||
| − | + | ====S5P6818 Based Boards (NanoPi M3/NanoPC-T3 etc)==== | |
UART1 -> /dev/ttySAC1 [Note 1]<br /> | UART1 -> /dev/ttySAC1 [Note 1]<br /> | ||
UART2 -> /dev/ttySAC2 [Note 1]<br /> | UART2 -> /dev/ttySAC2 [Note 1]<br /> | ||
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<br /> | <br /> | ||
Note 1: only applies to specific boards, you need to check if a board has that serial device populated. | Note 1: only applies to specific boards, you need to check if a board has that serial device populated. | ||
| − | + | ====NanoPC T4==== | |
UART4 Only | UART4 Only | ||
::{| class="wikitable" | ::{| class="wikitable" | ||
Revision as of 03:34, 22 January 2019
Contents
1 Serial port communication in C
Please refre：[1]
2 Serial Device Names under Multiple Platforms
2.1 Allwinner H3/H5 Based Boards (NanoPi M1/NanoPi M1 Plus etc)
UART1-> /dev/ttyS1
UART2 -> /dev/ttyS2
UART3 -> /dev/ttyS3 (Only applies to NanoPi M1, NanoPi K1 and NanoPi K1 Plus)
2.2 S5P4418 Based Boards (NanoPi Fire2A/NanoPi M2A/NanoPi S2/NanoPC-T2 etc)
UART1 -> /dev/ttyAMA1 [Note 1]
UART2 -> /dev/ttyAMA2 [Note 1]
UART3 -> /dev/ttyAMA3
UART4 -> /dev/ttyAMA4
2.3 S5P6818 Based Boards (NanoPi M3/NanoPC-T3 etc)
UART1 -> /dev/ttySAC1 [Note 1]
UART2 -> /dev/ttySAC2 [Note 1]
UART3 -> /dev/ttySAC3
UART4 -> /dev/ttySAC4
Note 1: only applies to specific boards, you need to check if a board has that serial device populated.
2.4 NanoPC T4
UART4 Only
Serial Port Funcation UART0 Bluetooth UART1 Ehternet UART2 Debug UART UART3 Ehternet UART4 Available, /dev/ttyS4
