GPIO
====
概述
----
Air722UG/UH模块引脚共支持29个GPIO，部分引脚上电前后状态不同，如使用这些管脚，需根据实际情况使用。
使用说明：
~~~~~~~~~~
::
VLCD、VMMC、VSIM1相关引脚电压域会根据外部硬件，其内部自动调整其输出电压，为1.8V/3V/3.3V
At reset, after reset 都默认指的就是function 0功能的状态（即GPIO 配置还没生效前的状态）
GPIO0~5 电源域默认关闭，所以at reset, after reset状态都是L
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| | | | P | | | | | | | F | | F | | Fu | |
| | | | in | | | | | | | u | | u | | nc | |
| | | | S | | | | | | | n | | n | | ti | |
| | | | ta | | | | | | | c | | c | | on | |
| | | | te | | | | | | | t | | t | | 2 | |
| | | | | | | | | | | i | | i | | | |
| | | | | | | | | | | o | | o | | | |
| | | | | | | | | | | n | | n | | | |
| | | | | | | | | | | 0 | | 1 | | | |
+====+===+=========+====+===+=====+=====+=====+===+===+===+===+===+===+====+===+
| Ai | G | Name | At | | Af | | Po | P | P | F | T | F | T | Fu | T |
| r7 | P | | Re | | ter | | wer | u | u | u | y | u | y | nc | y |
| 22 | I | | se | | Re | | Dom | l | l | n | p | n | p | ti | p |
| UG | O | | t( | | set | | ain | l | l | c | e | c | e | on | e |
| P | n | | H/ | | (H/ | | | - | - | t | | t | | 2 | |
| IN | u | | L/ | | L/H | | | u | D | i | | i | | | |
| N | m | | Hi | | iz) | | | p | o | o | | o | | | |
| O. | b | | z) | | | | | | w | n | | n | | | |
| | e | | | | | | | | n | 0 | | 1 | | | |
| | r | | | | | | | | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 84 | G | L | I | L | IN | L | VLC | 2 | 5 | G | I | L | O | | |
| | P | CD_DATA | NP | | PUT | | D(1 | 0 | 0 | P | / | C | | | |
| | I | /GPIO_0 | UT | | | | .8V | K | K | I | O | D | | | |
| | O | | | | | | /3V | / | | O | | _ | | | |
| | _ | | | | | | /3. | 4 | | _ | | D | | | |
| | 0 | | | | | | 3V) | . | | 0 | | A | | | |
| | | | | | | | | 7 | | | | T | | | |
| | | | | | | | | K | | | | A | | | |
| | | | | | | | | / | | | | | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 85 | G | NET | I | L | IN | L | VLC | 2 | 5 | G | I | L | O | NE | O |
| | P | _STATUS | NP | | PUT | | D(1 | 0 | 0 | P | / | C | | T_ | |
| | I | /GPIO_1 | UT | | | | .8V | K | K | I | O | D | | ST | |
| | O | | | | | | /3V | / | | O | | _ | | AT | |
| | _ | | | | | | /3. | 4 | | _ | | D | | US | |
| | 1 | | | | | | 3V) | . | | 1 | | C | | | |
| | | | | | | | | 7 | | | | | | | |
| | | | | | | | | K | | | | | | | |
| | | | | | | | | / | | | | | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 69 | G | LCD | I | L | IN | L | VLC | 2 | 5 | G | I | L | O | AP | I |
| | P | _CLK/AP | NP | | PUT | | D(1 | 0 | 0 | P | / | C | | _W | |
| | I | _WAKEUP | UT | | | | .8V | K | K | I | O | D | | AK | |
| | O | _MODULE | | | | | /3V | / | | O | | _ | | EU | |
| | _ | /GPIO_2 | | | | | /3. | 4 | | _ | | C | | P_ | |
| | 2 | | | | | | 3V) | . | | 2 | | L | | MO | |
| | | | | | | | | 7 | | | | K | | DU | |
| | | | | | | | | K | | | | | | LE | |
| | | | | | | | | / | | | | | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 42 | G | LCD | I | L | IN | L | VLC | 2 | 5 | G | I | L | O | WA | O |
| | P | _CS/WAK | NP | | PUT | | D(1 | 0 | 0 | P | / | C | | KE | |
| | I | EUP_OUT | UT | | | | .8V | K | K | I | O | D | | UP | |
| | O | /GPIO_3 | | | | | /3V | / | | O | | _ | | _O | |
| | _ | | | | | | /3. | 4 | | _ | | C | | UT | |
| | 3 | | | | | | 3V) | . | | 3 | | S | | | |
| | | | | | | | | 7 | | | | | | | |
| | | | | | | | | K | | | | | | | |
| | | | | | | | | / | | | | | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 81 | G | LC | I | L | IN | L | VLC | 2 | 5 | G | I | L | O | NE | O |
| | P | D_SEL/N | NP | | PUT | | D(1 | 0 | 0 | P | / | C | | T_ | |
| | I | ET_MODE | UT | | | | .8V | K | K | I | O | D | | MO | |
| | O | /GPIO_4 | | | | | /3V | / | | O | | _ | | DE | |
| | _ | | | | | | /3. | 4 | | _ | | S | | | |
| | 4 | | | | | | 3V) | . | | 4 | | E | | | |
| | | | | | | | | 7 | | | | L | | | |
| | | | | | | | | K | | | | | | | |
| | | | | | | | | / | | | | | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 80 | G | MODULE | I | L | IN | L4 | VD | 2 | 4 | G | I | M | O | | |
| | P | _STATUS | NP | | PUT | 00m | DIO | 0 | 0 | P | / | O | | | |
| | I | /GPIO_5 | UT | | | s后 | (1. | K | K | I | O | D | | | |
| | O | | | | | ， | 8V) | / | | O | | U | | | |
| | _ | | | | | 由 | | 4 | | _ | | L | | | |
| | 5 | | | | | 底 | | . | | 5 | | E | | | |
| | | | | | | 层 | | 7 | | | | _ | | | |
| | | | | | | 软 | | K | | | | S | | | |
| | | | | | | 件 | | | | | | T | | | |
| | | | | | | 控 | | | | | | A | | | |
| | | | | | | 制 | | | | | | T | | | |
| | | | | | | 为 | | | | | | U | | | |
| | | | | | | OUT | | | | | | S | | | |
| | | | | | | PUT | | | | | | | | | |
| | | | | | | 变H | | | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 46 | G | GPIO_7 | I | L | IN | L | VD | 2 | 4 | G | I | | | | |
| | P | | NP | | PUT | | DIO | 0 | 0 | P | / | | | | |
| | I | | UT | | | | (1. | K | K | I | O | | | | |
| | O | | | | | | 8V) | / | | O | | | | | |
| | _ | | | | | | | 4 | | _ | | | | | |
| | 7 | | | | | | | . | | 7 | | | | | |
| | | | | | | | | 7 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 55 | G | GPIO_8 | I | L | IN | L | VD | 2 | 4 | G | I | | | | |
| | P | | NP | | PUT | | DIO | 0 | 0 | P | / | | | | |
| | I | | UT | | | | (1. | K | K | I | O | | | | |
| | O | | | | | | 8V) | / | | O | | | | | |
| | _ | | | | | | | 4 | | _ | | | | | |
| | 8 | | | | | | | . | | 8 | | | | | |
| | | | | | | | | 7 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 17 | G | S | I | L | IN | L | VD | 2 | 4 | G | I | S | I | | |
| | P | PI1_CLK | NP | | PUT | | DIO | 0 | 0 | P | / | P | / | | |
| | I | /GPIO_9 | UT | | | | (1. | K | K | I | O | I | O | | |
| | O | | | | | | 8V) | / | | O | | 1 | | | |
| | _ | | | | | | | 4 | | _ | | _ | | | |
| | 9 | | | | | | | . | | 9 | | C | | | |
| | | | | | | | | 7 | | | | L | | | |
| | | | | | | | | K | | | | K | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 16 | G | S | I | L | IN | L | VD | 2 | 4 | G | I | S | I | | |
| | P | PI1_CS/ | NP | | PUT | | DIO | 0 | 0 | P | / | P | / | | |
| | I | GPIO_10 | UT | | | | (1. | K | K | I | O | I | O | | |
| | O | | | | | | 8V) | / | | O | | 1 | | | |
| | _ | | | | | | | 4 | | _ | | _ | | | |
| | 1 | | | | | | | . | | 1 | | C | | | |
| | 0 | | | | | | | 7 | | 0 | | S | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 19 | G | SPI | I | L | IN | L | VD | 2 | 4 | G | I | S | I | | |
| | P | 1_DOUT/ | NP | | PUT | | DIO | 0 | 0 | P | / | P | / | | |
| | I | GPIO_11 | UT | | | | (1. | K | K | I | O | I | O | | |
| | O | | | | | | 8V) | / | | O | | 1 | | | |
| | _ | | | | | | | 4 | | _ | | _ | | | |
| | 1 | | | | | | | . | | 1 | | D | | | |
| | 1 | | | | | | | 7 | | 1 | | O | | | |
| | | | | | | | | K | | | | U | | | |
| | | | | | | | | | | | | T | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 18 | G | SP | I | L | IN | L | VD | 2 | 4 | G | I | S | I | | |
| | P | I1_DIN/ | NP | | PUT | | DIO | 0 | 0 | P | / | P | / | | |
| | I | GPIO_12 | UT | | | | (1. | K | K | I | O | I | O | | |
| | O | | | | | | 8V) | / | | O | | 1 | | | |
| | _ | | | | | | | 4 | | _ | | _ | | | |
| | 1 | | | | | | | . | | 1 | | D | | | |
| | 2 | | | | | | | 7 | | 2 | | I | | | |
| | | | | | | | | K | | | | N | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 45 | G | C | I | L | IN | L | VD | 2 | 4 | G | I | | | | |
| | P | LIB_EN/ | NP | | PUT | | DIO | 0 | 0 | P | / | | | | |
| | I | GPIO_13 | UT | | | | (1. | K | K | I | O | | | | |
| | O | | | | | | 8V) | / | | O | | | | | |
| | _ | | | | | | | 4 | | _ | | | | | |
| | 1 | | | | | | | . | | 1 | | | | | |
| | 3 | | | | | | | 7 | | 3 | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 86 | G | I2 | I | L | IN | L | VD | 2 | 4 | G | I | I | O | | |
| | P | C2_SCL/ | NP | | PUT | | DIO | 0 | 0 | P | / | 2 | | | |
| | I | GPIO_14 | UT | | | | (1. | K | K | I | O | C | | | |
| | O | | | | | | 8V) | / | | O | | 2 | | | |
| | _ | | | | | | | 1 | | _ | | _ | | | |
| | 1 | | | | | | | . | | 1 | | S | | | |
| | 4 | | | | | | | 8 | | 4 | | C | | | |
| | | | | | | | | K | | | | L | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 87 | G | I2 | I | L | IN | L | VD | 2 | 4 | G | I | I | I | | |
| | P | C2_SDA/ | NP | | PUT | | DIO | 0 | 0 | P | / | 2 | / | | |
| | I | GPIO_15 | UT | | | | (1. | K | K | I | O | C | O | | |
| | O | | | | | | 8V) | / | | O | | 2 | | | |
| | _ | | | | | | | 1 | | _ | | _ | | | |
| | 1 | | | | | | | . | | 1 | | S | | | |
| | 5 | | | | | | | 8 | | 5 | | D | | | |
| | | | | | | | | K | | | | A | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 29 | G | I2 | I | L | IN | L | VD | 2 | 4 | G | I | I | I | | |
| | P | C2_SDA/ | NP | | PUT | | DIO | 0 | 0 | P | / | 2 | / | | |
| | I | GPIO_17 | UT | | | | (1. | K | K | I | O | C | O | | |
| | O | | | | | | 8V) | / | | O | | 2 | | | |
| | _ | | | | | | | 1 | | _ | | _ | | | |
| | 1 | | | | | | | . | | 1 | | S | | | |
| | 7 | | | | | | | 8 | | 7 | | D | | | |
| | | | | | | | | K | | | | A | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 1 | G | UAR | I | L | IN | L | VD | 2 | 4 | G | I | U | I | | |
| | P | T1_CTS/ | NP | | PUT | | DIO | 0 | 0 | P | / | A | | | |
| | I | GPIO_18 | UT | | | | (1. | K | K | I | O | R | | | |
| | O | | | | | | 8V) | / | | O | | T | | | |
| | _ | | | | | | | 4 | | _ | | 1 | | | |
| | 1 | | | | | | | . | | 1 | | _ | | | |
| | 8 | | | | | | | 7 | | 8 | | C | | | |
| | | | | | | | | K | | | | T | | | |
| | | | | | | | | | | | | S | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 90 | G | UAR | I | L | IN | L | VD | 2 | 4 | G | I | U | O | | |
| | P | T1_RTS/ | NP | | PUT | | DIO | 0 | 0 | P | / | A | | | |
| | I | GPIO_19 | UT | | | | (1. | K | K | I | O | R | | | |
| | O | | | | | | 8V) | / | | O | | T | | | |
| | _ | | | | | | | 4 | | _ | | 1 | | | |
| | 1 | | | | | | | . | | 1 | | _ | | | |
| | 9 | | | | | | | 7 | | 9 | | R | | | |
| | | | | | | | | K | | | | T | | | |
| | | | | | | | | | | | | S | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 64 | G | UAR | I | L | OUT | L | VD | 2 | 4 | G | I | U | I | | |
| | P | T2_RXD/ | NP | | PUT | 5m | DIO | 0 | 0 | P | / | A | | | |
| | I | GPIO_20 | UT | | | s后 | (1. | K | K | I | O | R | | | |
| | O | | | | | 变 | 8V) | / | | O | | T | | | |
| | _ | | | | | 为H | | 4 | | _ | | 2 | | | |
| | 2 | | | | | | | . | | 2 | | _ | | | |
| | 0 | | | | | | | 7 | | 0 | | R | | | |
| | | | | | | | | K | | | | X | | | |
| | | | | | | | | | | | | D | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 63 | G | UAR | I | L | OUT | 输 | VD | 2 | 4 | G | I | U | O | | |
| | P | T2_TXD/ | NP | | PUT | 出l | DIO | 0 | 0 | P | / | A | | | |
| | I | GPIO_21 | UT | | | og, | (1. | K | K | I | O | R | | | |
| | O | | | | | 不 | 8V) | / | | O | | T | | | |
| | _ | | | | | 建 | | 4 | | _ | | 2 | | | |
| | 2 | | | | | 议 | | . | | 2 | | _ | | | |
| | 1 | | | | | 使 | | 7 | | 1 | | T | | | |
| | | | | | | 用 | | K | | | | X | | | |
| | | | | | | | | | | | | D | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 20 | G | ZSP_UA | I | L | OUT | L | VD | 2 | 4 | G | I | Z | O | | |
| | P | RT_TXD/ | NP | | PUT | 5m | DIO | 0 | 0 | P | / | S | | | |
| | I | GPIO_22 | UT | | | s后 | (1. | K | K | I | O | P | | | |
| | O | | | | | 变 | 8V) | / | | O | | _ | | | |
| | _ | | | | | 为H | | 4 | | _ | | U | | | |
| | 2 | | | | | | | . | | 2 | | A | | | |
| | 2 | | | | | | | 7 | | 2 | | R | | | |
| | | | | | | | | K | | | | T | | | |
| | | | | | | | | | | | | _ | | | |
| | | | | | | | | | | | | T | | | |
| | | | | | | | | | | | | X | | | |
| | | | | | | | | | | | | D | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 22 | G | U | I | L | OUT | 输 | VD | 2 | 4 | G | I | U | I | | |
| | P | SIM_CD/ | NP | | PUT | 出l | DIO | 0 | 0 | P | / | S | | | |
| | I | GPIO_23 | UT | | | og, | (1. | K | K | I | O | I | | | |
| | O | | | | | 不 | 8V) | / | | O | | M | | | |
| | _ | | | | | 建 | | 4 | | _ | | _ | | | |
| | 2 | | | | | 议 | | . | | 2 | | C | | | |
| | 3 | | | | | 使 | | 7 | | 3 | | D | | | |
| | | | | | | 用 | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 21 | G | MM | I | H | IN | H | VMM | 2 | 5 | G | I | M | I | | |
| | P | C1_CMD/ | NP | | PUT | | C(1 | 0 | 0 | P | / | M | / | | |
| | I | GPIO_24 | UT | | | | .8V | K | K | I | O | C | O | | |
| | O | | | | | | /3V | / | | O | | 1 | | | |
| | _ | | | | | | /3. | 4 | | _ | | _ | | | |
| | 2 | | | | | | 3V) | . | | 2 | | C | | | |
| | 4 | | | | | | | 7 | | 4 | | M | | | |
| | | | | | | | | K | | | | D | | | |
| | | | | | | | | / | | | | | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 72 | G | MMC | I | H | IN | H | VMM | 2 | 5 | G | I | M | I | | |
| | P | 1_DAT0/ | NP | | PUT | | C(1 | 0 | 0 | P | / | M | / | | |
| | I | GPIO_25 | UT | | | | .8V | K | K | I | O | C | O | | |
| | O | | | | | | /3V | / | | O | | 1 | | | |
| | _ | | | | | | /3. | 4 | | _ | | _ | | | |
| | 2 | | | | | | 3V) | . | | 2 | | D | | | |
| | 5 | | | | | | | 7 | | 5 | | A | | | |
| | | | | | | | | K | | | | T | | | |
| | | | | | | | | / | | | | 0 | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 73 | G | MMC | I | H | IN | H | VMM | 2 | 5 | G | I | M | I | | |
| | P | 1_DAT1/ | NP | | PUT | | C(1 | 0 | 0 | P | / | M | / | | |
| | I | GPIO_26 | UT | | | | .8V | K | K | I | O | C | O | | |
| | O | | | | | | /3V | / | | O | | 1 | | | |
| | _ | | | | | | /3. | 4 | | _ | | _ | | | |
| | 2 | | | | | | 3V) | . | | 2 | | D | | | |
| | 6 | | | | | | | 7 | | 6 | | A | | | |
| | | | | | | | | K | | | | T | | | |
| | | | | | | | | / | | | | 1 | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 69 | G | MMC | I | H | IN | H | VMM | 2 | 5 | G | I | M | I | | |
| | P | 1_DAT2/ | NP | | PUT | | C(1 | 0 | 0 | P | / | M | / | | |
| | I | GPIO_27 | UT | | | | .8V | K | K | I | O | C | O | | |
| | O | | | | | | /3V | / | | O | | 1 | | | |
| | _ | | | | | | /3. | 4 | | _ | | _ | | | |
| | 2 | | | | | | 3V) | . | | 2 | | D | | | |
| | 7 | | | | | | | 7 | | 7 | | A | | | |
| | | | | | | | | K | | | | T | | | |
| | | | | | | | | / | | | | 2 | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
| 68 | G | MMC | I | H | IN | H | VMM | 2 | 5 | G | I | M | I | | |
| | P | 1_DAT3/ | NP | | PUT | | C(1 | 0 | 0 | P | / | M | / | | |
| | I | GPIO_28 | UT | | | | .8V | K | K | I | O | C | O | | |
| | O | | | | | | /3V | / | | O | | 1 | | | |
| | _ | | | | | | /3. | 4 | | _ | | _ | | | |
| | 2 | | | | | | 3V) | . | | 2 | | D | | | |
| | 8 | | | | | | | 7 | | 8 | | A | | | |
| | | | | | | | | K | | | | T | | | |
| | | | | | | | | / | | | | 3 | | | |
| | | | | | | | | 1 | | | | | | | |
| | | | | | | | | . | | | | | | | |
| | | | | | | | | 8 | | | | | | | |
| | | | | | | | | K | | | | | | | |
+----+---+---------+----+---+-----+-----+-----+---+---+---+---+---+---+----+---+
相关AT指令
----------
AT指令不支持gpio接口操作
LUAT开发相关接口
----------------
相关示例，请参考:raw-latex:`\script`\_LuaTask_VX.X.X:raw-latex:`\demo`:raw-latex:`\gpio`
pio
---
管脚操作
pio.pin.setdir()
~~~~~~~~~~~~~~~~
设置管脚的描述
- 语法
``pio.pin.setdir( direction,pin1,pin2,...,pinn)``
- 参数
========== ===============================================
参数 释义
========== ===============================================
direction 管脚描述，可选pio.INPUT ， pio.OUTPUT， pio.INT
pin1 第一个管脚
pin2(可选) 第二个管脚
pinn(可选) 第n个管脚
========== ===============================================
- 返回值
无
pio.pin.setval()
~~~~~~~~~~~~~~~~
设置管脚的值
- 语法
``pio.pin.setval(value,pin1,pin2,...,pinn)``
- 参数
========== ================
参数 释义
========== ================
value 管脚值，可选0或1
pin1 第一个管脚
pin2(可选) 第二个管脚
pinn(可选) 第n个管脚
========== ================
- 返回值
无
pio.pin.getval()
~~~~~~~~~~~~~~~~
读取管脚的值
- 语法
``val1, val2, ..., valn = pio.pin.getval( pin1, pin2, ..., pinn )``
- 参数
========== ==========
参数 释义
========== ==========
pin1 第一个管脚
pin2(可选) 第二个管脚
pinn(可选) 第n个管脚
========== ==========
- 返回值
number类型，0表示低电平，1表示高电平
pio.pin.sethigh()
~~~~~~~~~~~~~~~~~
设置管脚为高电平(1)
- 语法
``pio.pin.sethigh(pin1,pin2,...,pinn)``
- 参数
========== ==========
参数 释义
========== ==========
pin1 第一个管脚
pin2(可选) 第二个管脚
pinn(可选) 第n个管脚
========== ==========
- 返回值
无
pio.pin.setlow()
~~~~~~~~~~~~~~~~
设置管脚为低电平(0)
- 语法
``pio.pin.setlow(pin1,pin2,...,pinn)``
- 参数
========== ==========
参数 释义
========== ==========
pin1 第一个管脚
pin2(可选) 第二个管脚
pinn(可选) 第n个管脚
========== ==========
- 返回值
无
pio.pin.setpull()
~~~~~~~~~~~~~~~~~
配置IO口默认状态
- 语法
``pio.pin.setpull(method,pin)``
- 参数
====== =================================================================
参数 释义
====== =================================================================
method pio.PULLUP：上拉模式 。pio.PULLDOWN：下拉模式。pio.NOPULL：高阻态
pin 配置管脚
====== =================================================================
- 返回值
无
- 例子
.. code:: c
pio.pin.setpull(pio.PULLUP,pio.P0_5) --配置为上拉
--pio.pin.setpull(pio.PULLDOWN,pio.P0_5) --配置为下拉
--pio.pin.setpull(pio.NOPULL,pio.P0_5) --不配置上下拉
.. rubric:: pio.pin.setdebounce()
:name: pio.pin.setdebounce
配置IO口消抖时间
- 语法
``pio.pin.setdebounce(ms)``
- 参数
==== ===============================================
参数 释义
==== ===============================================
ms 延时消抖时间，0为关闭消抖功能，开机后默认为20ms
==== ===============================================
- 返回值
无
- 例子
::
pio.pin.setdebounce(20) --延时消抖设置为20ms
pio.pin.setdebounce(5) --延时消抖设置为5ms
pio.pin.setdebounce(0) --关闭延时消抖功能
相关资料以及购买链接
--------------------
相关开发板购买链接
`Air720开发板 <http://http://m.openluat.com/product/1261>`__
`相关软件资料下载 <https://luatdoc.papapoi.com/wiki/pages/227.html>`__
常见问题
--------
https://luatdoc.papapoi.com/628/