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Air PCB orientation

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whowechina 2024-09-23 11:38:31 +08:00
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9
README.md
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@ -173,14 +173,15 @@ You need **4x M3*12mm screws and 4x M3 hex nuts** to fix all things.
### IR Air Tower ### IR Air Tower
This is not necessary for Chu Pico. But some people may prefer the traditional IR air tower, especially when they're using Chu Pico design for a full-sized controller. This is not necessary for Chu Pico. But some people may prefer the traditional IR air tower, especially when they're using Chu Pico design for a full-sized controller.
So hereby I provide the IR air tower design, with a pair of air tower PCBs and the firmware support. So hereby I provide the IR air tower design, with a pair of air tower PCBs and the firmware support.
1. First, you need to order the PCBs, the gerber file is `Production\PCB\chu_air_v*.zip`. It's for both sides of the air tower. 1. First, you need to order the sensor PCBs, the gerber file is `Production\PCB\chu_air_v*.zip`. It's for both sides of the air tower.
2. Order the components, they're marked in the schematic. Then solder them to the PCB following the silkscreen. 2. Order the components, they're marked in the schematic. Then solder them to the PCB following the silkscreen.
3. For left side tower, use J1 to connect to the Raspberry Pi Pico, and for the right side tower, use J2. GPIO 3 -> A, GPIO 4 -> B, GPIO 5 -> C, ADC 0 (GPIO 26) -> Right S, ADC 1 (GPIO 27) -> Left S. 3. For left side PCB, use J1 to connect to the Raspberry Pi Pico, and for the right side PCB, use J2. GPIO 3 -> A, GPIO 4 -> B, GPIO 5 -> C, ADC 0 (GPIO 26) -> Right S, ADC 1 (GPIO 27) -> Left S.
<img src="doc/air_tower_wiring.png" width="50%"> <img src="doc/air_tower_wiring.png" width="25%"> <img src="doc/chu_air_pcb.png" width="70%">
4. Steps for deployment. 4. Steps for deployment.
* Enable IR air tower in the firmware (command `ir enable`), this will disable ToF. * Enable IR sensor in the firmware (command `ir enable`), this will disable ToF.
* Enable diagnostics for IR (command `ir diagnostic`). * Enable diagnostics for IR (command `ir diagnostic`).
* Orientation of the PCB: for the left side PCB, its J1 is at the lowest, for the right side PCB, its J2 is at the lowest (up-side-down).
* Place the air towers and watch the output of the diagnostics, higher value means beam is received. * Place the air towers and watch the output of the diagnostics, higher value means beam is received.
* Set the baseline after the towers are properly placed (command `ir baseline`). * Set the baseline after the towers are properly placed (command `ir baseline`).
* Optionally, set the sensitivity, it's a percentage of expected change (command `ir trigger <1..100>`). * Optionally, set the sensitivity, it's a percentage of expected change (command `ir trigger <1..100>`).

5
README_CN.md
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@ -183,12 +183,13 @@ Chu Pico 本身不需要红外空键。但是有些人可能用 Chu Pico 来做
所以我提供了 IR 空键的设计，包括一对空键 PCB 和对应的固件支持。 所以我提供了 IR 空键的设计，包括一对空键 PCB 和对应的固件支持。
1. 首先，你需要下单 PCB，Gerber 文件在 `Production\PCB\chu_air_v*.zip`。空键的两侧都需要这个 PCB。 1. 首先，你需要下单 PCB，Gerber 文件在 `Production\PCB\chu_air_v*.zip`。空键的两侧都需要这个 PCB。
2. 根据原理图里的有标记，购买对应的元器件，然后按照丝印焊接到 PCB 上。 2. 根据原理图里的有标记，购买对应的元器件，然后按照丝印焊接到 PCB 上。
3. 左侧空键 PCB 使用 J1 连接到 Pi Pico 主控，右侧空键 PCB 使用 J2 连接。GPIO 3 -> A, GPIO 4 -> B, GPIO 5 -> C, ADC 0 (GPIO 26) -> Right S, ADC 1 (GPIO 27) -> Left S。 3. 左侧传感器 PCB 使用 J1 连接到 Pi Pico 主控，右侧传感器 PCB 使用 J2 连接。GPIO 3 -> A, GPIO 4 -> B, GPIO 5 -> C, ADC 0 (GPIO 26) -> Right S, ADC 1 (GPIO 27) -> Left S。
<img src="doc/air_tower_wiring.png" width="50%"> <img src="doc/air_tower_wiring.png" width="25%"> <img src="doc/chu_air_pcb.png" width="70%">
4. 调试上线的过程如下： 4. 调试上线的过程如下：
* 在固件中启用 IR 空键（命令 `ir enable`），它会自动禁用 ToF。 * 在固件中启用 IR 空键（命令 `ir enable`），它会自动禁用 ToF。
* 启用 IR 的诊断功能（命令 `ir diagnostic`）。 * 启用 IR 的诊断功能（命令 `ir diagnostic`）。
* 注意 PCB 的方向：左侧 PCB，J1 在最下方，右侧 PCB，J2 在最下方（上下颠倒）。
* 摆放两侧的空键塔，观察诊断输出，数值高代表着对应的红外光线已经对准接收器。 * 摆放两侧的空键塔，观察诊断输出，数值高代表着对应的红外光线已经对准接收器。
* 在正确摆放好空键塔后，设置基线（命令 `ir baseline`）。 * 在正确摆放好空键塔后，设置基线（命令 `ir baseline`）。
* 可选，设置触发灵敏度，它用一个变化的百分比值来表达（命令 `ir trigger <1..100>`）。 * 可选，设置触发灵敏度，它用一个变化的百分比值来表达（命令 `ir trigger <1..100>`）。