{"id":1154038,"date":"2025-01-13T17:46:19","date_gmt":"2025-01-13T09:46:19","guid":{"rendered":"https:\/\/docs.pingcode.com\/ask\/ask-ask\/1154038.html"},"modified":"2025-01-13T17:46:21","modified_gmt":"2025-01-13T09:46:21","slug":"%e5%a6%82%e4%bd%95python%e6%89%93%e5%bc%80pigpio%e5%ba%93","status":"publish","type":"post","link":"https:\/\/docs.pingcode.com\/ask\/1154038.html","title":{"rendered":"\u5982\u4f55python\u6253\u5f00pigpio\u5e93"},"content":{"rendered":"

\"\u5982\u4f55python\u6253\u5f00pigpio\u5e93\"<\/p>\n

\u5982\u4f55\u7528Python\u6253\u5f00pigpio\u5e93<\/strong><\/p>\n<\/p>\n

\u8981\u5728Python\u4e2d\u4f7f\u7528pigpio\u5e93\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5pigpio\u5e93\u3001\u542f\u52a8pigpio\u5b88\u62a4\u8fdb\u7a0b\u3001\u5bfc\u5165pigpio\u5e93\u3001\u521b\u5efapigpio\u5b9e\u4f8b\u548c\u4f7f\u7528pigpio\u5e93\u8fdb\u884cGPIO\u64cd\u4f5c<\/strong>\u3002\u8be6\u7ec6\u89e3\u91ca\u5982\u4e0b\uff1a<\/p>\n<\/p>\n

\u4e00\u3001\u5b89\u88c5pigpio\u5e93<\/h3>\n<\/p>\n

\u8981\u4f7f\u7528pigpio\u5e93\uff0c\u9996\u5148\u9700\u8981\u5728\u4f60\u7684\u7cfb\u7edf\u4e0a\u5b89\u88c5\u5b83\u3002\u53ef\u4ee5\u4f7f\u7528pip\u8fdb\u884c\u5b89\u88c5\uff1a<\/p>\n<\/p>\n

pip install pigpio<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e8c\u3001\u542f\u52a8pigpio\u5b88\u62a4\u8fdb\u7a0b<\/h3>\n<\/p>\n
pigpio\u5e93\u4f9d\u8d56\u4e00\u4e2a\u5b88\u62a4\u8fdb\u7a0b\u6765\u5904\u7406GPIO\u64cd\u4f5c\u3002\u5728\u4f7f\u7528pigpio\u4e4b\u524d\uff0c\u9700\u8981\u786e\u4fdd\u5b88\u62a4\u8fdb\u7a0b\u5df2\u7ecf\u542f\u52a8\u3002\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u547d\u4ee4\u542f\u52a8\u5b88\u62a4\u8fdb\u7a0b\uff1a<\/p>\n<\/p>\n
sudo pigpiod<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u901a\u8fc7\u542f\u52a8\u5b88\u62a4\u8fdb\u7a0b\uff0cpigpio\u5e93\u53ef\u4ee5\u5728\u540e\u53f0\u5904\u7406GPIO\u8bf7\u6c42\uff0c\u786e\u4fdd\u9ad8\u6548\u3001\u5b9e\u65f6\u7684GPIO\u63a7\u5236\u3002<\/p>\n<\/p>\n
\u4e09\u3001\u5bfc\u5165pigpio\u5e93<\/h3>\n<\/p>\n
\u5728\u4f60\u7684Python\u811a\u672c\u4e2d\uff0c\u5bfc\u5165pigpio\u5e93\uff1a<\/p>\n<\/p>\n
import pigpio<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u56db\u3001\u521b\u5efapigpio\u5b9e\u4f8b<\/h3>\n<\/p>\n
\u8981\u4f7f\u7528pigpio\u5e93\uff0c\u9700\u8981\u521b\u5efa\u4e00\u4e2apigpio\u5b9e\u4f8b\u3002\u8fd9\u53ef\u4ee5\u901a\u8fc7\u4ee5\u4e0b\u4ee3\u7801\u5b8c\u6210\uff1a<\/p>\n<\/p>\n
pi = pigpio.pi()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u8fd9\u4e2a\u5b9e\u4f8b\u5c06\u7528\u4e8e\u8bbf\u95ee\u548c\u63a7\u5236GPIO\u5f15\u811a\u3002<\/p>\n<\/p>\n
\u4e94\u3001\u4f7f\u7528pigpio\u5e93\u8fdb\u884cGPIO\u64cd\u4f5c<\/h3>\n<\/p>\n
\u901a\u8fc7pigpio\u5b9e\u4f8b\uff0c\u53ef\u4ee5\u6267\u884c\u5404\u79cdGPIO\u64cd\u4f5c\u3002\u4ee5\u4e0b\u662f\u4e00\u4e9b\u5e38\u89c1\u7684\u64cd\u4f5c\uff1a<\/p>\n<\/p>\n
1\u3001\u8bbe\u7f6eGPIO\u6a21\u5f0f<\/h4>\n<\/p>\n
\u53ef\u4ee5\u8bbe\u7f6e\u67d0\u4e2aGPIO\u5f15\u811a\u7684\u6a21\u5f0f\uff08\u8f93\u5165\u6216\u8f93\u51fa\uff09\uff1a<\/p>\n<\/p>\n
pi.set_mode(17, pigpio.OUTPUT)  # \u5c06GPIO 17\u8bbe\u7f6e\u4e3a\u8f93\u51fa\u6a21\u5f0f<\/p>\n
pi.set_mode(18, pigpio.INPUT)   # \u5c06GPIO 18\u8bbe\u7f6e\u4e3a\u8f93\u5165\u6a21\u5f0f<\/p>\n
<\/code><\/pre>\n<\/p>\n
2\u3001\u5199\u5165GPIO\u5f15\u811a<\/h4>\n<\/p>\n
\u53ef\u4ee5\u5411\u67d0\u4e2aGPIO\u5f15\u811a\u5199\u5165\u9ad8\u7535\u5e73\u6216\u4f4e\u7535\u5e73\uff1a<\/p>\n<\/p>\n
pi.write(17, 1)  # \u5411GPIO 17\u5199\u5165\u9ad8\u7535\u5e73<\/p>\n
pi.write(17, 0)  # \u5411GPIO 17\u5199\u5165\u4f4e\u7535\u5e73<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u8bfb\u53d6GPIO\u5f15\u811a<\/h4>\n<\/p>\n
\u53ef\u4ee5\u8bfb\u53d6\u67d0\u4e2aGPIO\u5f15\u811a\u7684\u7535\u5e73\u72b6\u6001\uff1a<\/p>\n<\/p>\n
level = pi.read(18)  # \u8bfb\u53d6GPIO 18\u7684\u7535\u5e73\u72b6\u6001<\/p>\n
print(level)  # \u6253\u5370GPIO 18\u7684\u7535\u5e73\u72b6\u6001<\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001PWM\u63a7\u5236<\/h4>\n<\/p>\n
\u53ef\u4ee5\u5728\u67d0\u4e2aGPIO\u5f15\u811a\u4e0a\u751f\u6210PWM\u4fe1\u53f7\uff1a<\/p>\n<\/p>\n
pi.set_PWM_dutycycle(17, 128)  # \u5728GPIO 17\u4e0a\u751f\u6210\u5360\u7a7a\u6bd4\u4e3a50%\u7684PWM\u4fe1\u53f7<\/p>\n
<\/code><\/pre>\n<\/p>\n
5\u3001\u6e05\u7406\u8d44\u6e90<\/h4>\n<\/p>\n
\u5728\u811a\u672c\u7ed3\u675f\u65f6\uff0c\u91ca\u653epigpio\u5b9e\u4f8b\uff0c\u4ee5\u786e\u4fdd\u6240\u6709\u8d44\u6e90\u90fd\u88ab\u6b63\u786e\u91ca\u653e\uff1a<\/p>\n<\/p>\n
pi.stop()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516d\u3001\u793a\u4f8b\u4ee3\u7801<\/h3>\n<\/p>\n
\u4ee5\u4e0b\u662f\u4e00\u4e2a\u5b8c\u6574\u7684\u793a\u4f8b\u4ee3\u7801\uff0c\u5c55\u793a\u5982\u4f55\u4f7f\u7528pigpio\u5e93\u63a7\u5236GPIO\u5f15\u811a\uff1a<\/p>\n<\/p>\n
import pigpio<\/p>\n
import time<\/p>\n
\u542f\u52a8pigpio\u5b9e\u4f8b<\/strong><\/h2>\n
pi = pigpio.pi()<\/p>\n
\u68c0\u67e5pigpio\u5b9e\u4f8b\u662f\u5426\u6210\u529f\u542f\u52a8<\/strong><\/h2>\n
if not pi.connected:<\/p>\n
    print("\u65e0\u6cd5\u8fde\u63a5\u5230pigpio\u5b88\u62a4\u8fdb\u7a0b")<\/p>\n
    exit()<\/p>\n
\u8bbe\u7f6eGPIO 17\u4e3a\u8f93\u51fa\u6a21\u5f0f<\/strong><\/h2>\n
pi.set_mode(17, pigpio.OUTPUT)<\/p>\n
\u8bbe\u7f6eGPIO 18\u4e3a\u8f93\u5165\u6a21\u5f0f<\/strong><\/h2>\n
pi.set_mode(18, pigpio.INPUT)<\/p>\n
\u5411GPIO 17\u5199\u5165\u9ad8\u7535\u5e73<\/strong><\/h2>\n
pi.write(17, 1)<\/p>\n
time.sleep(1)  # \u7b49\u5f851\u79d2<\/p>\n
\u5411GPIO 17\u5199\u5165\u4f4e\u7535\u5e73<\/strong><\/h2>\n
pi.write(17, 0)<\/p>\n
time.sleep(1)  # \u7b49\u5f851\u79d2<\/p>\n
\u8bfb\u53d6GPIO 18\u7684\u7535\u5e73\u72b6\u6001<\/strong><\/h2>\n
level = pi.read(18)<\/p>\n
print("GPIO 18\u7684\u7535\u5e73\u72b6\u6001:", level)<\/p>\n
\u5728GPIO 17\u4e0a\u751f\u6210\u5360\u7a7a\u6bd4\u4e3a50%\u7684PWM\u4fe1\u53f7<\/strong><\/h2>\n
pi.set_PWM_dutycycle(17, 128)<\/p>\n
time.sleep(5)  # \u751f\u6210PWM\u4fe1\u53f75\u79d2<\/p>\n
\u91ca\u653epigpio\u5b9e\u4f8b<\/strong><\/h2>\n
pi.stop()<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u4e03\u3001\u66f4\u591a\u529f\u80fd<\/h3>\n<\/p>\n
pigpio\u5e93\u4e0d\u4ec5\u53ef\u4ee5\u7528\u4e8e\u7b80\u5355\u7684GPIO\u63a7\u5236\uff0c\u8fd8\u652f\u6301\u66f4\u9ad8\u7ea7\u7684\u529f\u80fd\uff0c\u4f8b\u5982\uff1a<\/p>\n<\/p>\n
1\u3001\u8f6f\u4ef6PWM\u548c\u786c\u4ef6PWM<\/h4>\n<\/p>\n
pigpio\u652f\u6301\u5728\u4efb\u610fGPIO\u5f15\u811a\u4e0a\u751f\u6210\u8f6f\u4ef6PWM\u4fe1\u53f7\uff0c\u4ee5\u53ca\u5728\u7279\u5b9a\u5f15\u811a\u4e0a\u751f\u6210\u786c\u4ef6PWM\u4fe1\u53f7\u3002\u786c\u4ef6PWM\u4fe1\u53f7\u5177\u6709\u66f4\u9ad8\u7684\u9891\u7387\u548c\u7cbe\u5ea6\u3002<\/p>\n<\/p>\n
2\u3001PWM\u9891\u7387\u63a7\u5236<\/h4>\n<\/p>\n
\u53ef\u4ee5\u8c03\u6574PWM\u4fe1\u53f7\u7684\u9891\u7387\uff1a<\/p>\n<\/p>\n
pi.set_PWM_frequency(17, 1000)  # \u5c06GPIO 17\u4e0a\u7684PWM\u4fe1\u53f7\u9891\u7387\u8bbe\u7f6e\u4e3a1kHz<\/p>\n
<\/code><\/pre>\n<\/p>\n
3\u3001\u8109\u51b2\u5bbd\u5ea6\u8c03\u5236\uff08Servo\u63a7\u5236\uff09<\/h4>\n<\/p>\n
pigpio\u5e93\u53ef\u4ee5\u7528\u4e8e\u63a7\u5236\u4f3a\u670d\u7535\u673a\uff0c\u901a\u8fc7\u8bbe\u7f6e\u8109\u51b2\u5bbd\u5ea6\u6765\u8c03\u6574\u4f3a\u670d\u7535\u673a\u7684\u89d2\u5ea6\uff1a<\/p>\n<\/p>\n
pi.set_servo_pulsewidth(17, 1500)  # \u5c06GPIO 17\u4e0a\u7684\u4f3a\u670d\u7535\u673a\u8bbe\u7f6e\u4e3a\u4e2d\u4f4d\uff081.5ms\u8109\u51b2\u5bbd\u5ea6\uff09<\/p>\n
<\/code><\/pre>\n<\/p>\n
4\u3001\u6ce2\u5f62\u751f\u6210<\/h4>\n<\/p>\n
pigpio\u652f\u6301\u751f\u6210\u590d\u6742\u7684\u6ce2\u5f62\u4fe1\u53f7\uff0c\u901a\u8fc7\u5b9a\u4e49\u4e00\u7cfb\u5217\u7684\u8109\u51b2\uff0c\u53ef\u4ee5\u751f\u6210\u81ea\u5b9a\u4e49\u7684\u6ce2\u5f62\uff1a<\/p>\n<\/p>\n
pulses = [<\/p>\n
    pigpio.pulse(1 << 17, 0, 100),<\/p>\n
    pigpio.pulse(0, 1 << 17, 100)<\/p>\n
]<\/p>\n
pi.wave_clear()<\/p>\n
pi.wave_add_generic(pulses)<\/p>\n
wave_id = pi.wave_create()<\/p>\n
pi.wave_send_once(wave_id)<\/p>\n
<\/code><\/pre>\n<\/p>\n
5\u3001\u4e8b\u4ef6\u56de\u8c03<\/h4>\n<\/p>\n
\u53ef\u4ee5\u4e3aGPIO\u5f15\u811a\u8bbe\u7f6e\u4e8b\u4ef6\u56de\u8c03\u51fd\u6570\uff0c\u5f53\u5f15\u811a\u7535\u5e73\u53d1\u751f\u53d8\u5316\u65f6\uff0c\u81ea\u52a8\u8c03\u7528\u56de\u8c03\u51fd\u6570\uff1a<\/p>\n<\/p>\n
def my_callback(gpio, level, tick):<\/p>\n
    print(f"GPIO {gpio} \u53d1\u751f\u53d8\u5316\uff0c\u7535\u5e73\u4e3a {level}\uff0c\u65f6\u95f4\u6233\u4e3a {tick}")<\/p>\n
pi.callback(18, pigpio.EITHER_EDGE, my_callback)<\/p>\n
<\/code><\/pre>\n<\/p>\n
\u516b\u3001\u603b\u7ed3<\/h3>\n<\/p>\n
pigpio\u5e93\u662f\u4e00\u4e2a\u529f\u80fd\u5f3a\u5927\u7684GPIO\u63a7\u5236\u5e93\uff0c\u901a\u8fc7\u5b83\u53ef\u4ee5\u5b9e\u73b0\u7cbe\u786e\u7684GPIO\u63a7\u5236\u3002\u8981\u4f7f\u7528pigpio\u5e93\uff0c\u9700\u8981\u5b89\u88c5\u5e93\u3001\u542f\u52a8\u5b88\u62a4\u8fdb\u7a0b\u3001\u5bfc\u5165\u5e93\u3001\u521b\u5efa\u5b9e\u4f8b\u5e76\u8fdb\u884c\u76f8\u5e94\u7684GPIO\u64cd\u4f5c\u3002\u5728\u4f7f\u7528pigpio\u5e93\u65f6\uff0c\u786e\u4fdd\u6b63\u786e\u91ca\u653e\u8d44\u6e90\uff0c\u907f\u514d\u8d44\u6e90\u6cc4\u9732\u3002\u901a\u8fc7\u638c\u63e1pigpio\u5e93\u7684\u5404\u79cd\u529f\u80fd\uff0c\u53ef\u4ee5\u5728Raspberry Pi\u4e0a\u5b9e\u73b0\u590d\u6742\u7684\u786c\u4ef6\u63a7\u5236\u548c\u4fe1\u53f7\u751f\u6210\u3002\u5e0c\u671b\u8fd9\u7bc7\u6587\u7ae0\u80fd\u5e2e\u52a9\u4f60\u66f4\u597d\u5730\u7406\u89e3\u548c\u4f7f\u7528pigpio\u5e93\u3002<\/p>\n<\/p>\n
\u76f8\u5173\u95ee\u7b54FAQs\uff1a<\/strong><\/h2>\n
 \u5982\u4f55\u5728Python\u4e2d\u5b89\u88c5pigpio\u5e93\uff1f<\/strong>
\u8981\u5728Python\u4e2d\u4f7f\u7528pigpio\u5e93\uff0c\u9996\u5148\u9700\u8981\u786e\u4fdd\u4f60\u7684\u6811\u8393\u6d3e\u4e0a\u5df2\u7ecf\u5b89\u88c5\u4e86\u8be5\u5e93\u3002\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u8fd0\u884c\u4ee5\u4e0b\u547d\u4ee4\u8fdb\u884c\u5b89\u88c5\uff1a  <\/p>\n
sudo apt-get update\nsudo apt-get install pigpio\n<\/code><\/pre>\n
\u5b89\u88c5\u5b8c\u6210\u540e\uff0c\u4f7f\u7528\u4ee5\u4e0bPython\u4ee3\u7801\u5bfc\u5165pigpio\u5e93\uff1a  <\/p>\n
import pigpio\n<\/code><\/pre>\n
\u786e\u4fdd\u5728\u4f7f\u7528\u524d\u542f\u52a8pigpio\u5b88\u62a4\u8fdb\u7a0b\uff0c\u53ef\u4ee5\u901a\u8fc7\u547d\u4ee4\u884c\u6267\u884csudo pigpiod<\/code>\u542f\u52a8\u3002<\/p>\n
\u4f7f\u7528pigpio\u5e93\u65f6\uff0c\u5982\u4f55\u5904\u7406GPIO\u5f15\u811a\u7684\u6743\u9650\u95ee\u9898\uff1f<\/strong>
\u5728\u4f7f\u7528pigpio\u5e93\u63a7\u5236GPIO\u5f15\u811a\u65f6\uff0c\u53ef\u80fd\u4f1a\u9047\u5230\u6743\u9650\u95ee\u9898\u3002\u89e3\u51b3\u65b9\u6cd5\u662f\u5728\u8fd0\u884cPython\u811a\u672c\u65f6\u4f7f\u7528sudo\u547d\u4ee4\u3002\u4f8b\u5982\uff1a  <\/p>\n
sudo python your_script.py\n<\/code><\/pre>\n
\u8fd9\u6837\u53ef\u4ee5\u786e\u4fdd\u811a\u672c\u6709\u8db3\u591f\u7684\u6743\u9650\u6765\u63a7\u5236\u786c\u4ef6\u5f15\u811a\u3002<\/p>\n
pigpio\u5e93\u63d0\u4f9b\u4e86\u54ea\u4e9b\u529f\u80fd\uff0c\u9002\u5408\u4ec0\u4e48\u6837\u7684\u9879\u76ee\uff1f<\/strong>
pigpio\u5e93\u529f\u80fd\u5f3a\u5927\uff0c\u652f\u6301PWM\uff08\u8109\u5bbd\u8c03\u5236\uff09\u3001GPIO\u8bfb\u53d6\u548c\u5199\u5165\u3001\u4e32\u884c\u901a\u4fe1\u7b49\u3002\u8fd9\u4f7f\u5f97\u5b83\u975e\u5e38\u9002\u5408\u4e8e\u9700\u8981\u7cbe\u786e\u63a7\u5236\u7684\u9879\u76ee\uff0c\u4f8b\u5982\u673a\u5668\u4eba\u3001\u667a\u80fd\u5bb6\u5c45\u8bbe\u5907\u548c\u4f20\u611f\u5668\u6570\u636e\u91c7\u96c6\u3002\u901a\u8fc7pigpio\u5e93\uff0c\u7528\u6237\u53ef\u4ee5\u5b9e\u73b0\u9ad8\u7cbe\u5ea6\u7684\u4fe1\u53f7\u63a7\u5236\u548c\u5b9e\u65f6\u6570\u636e\u5904\u7406\u3002<\/p>\n","protected":false},"excerpt":{"rendered":"\u5982\u4f55\u7528Python\u6253\u5f00pigpio\u5e93 \u8981\u5728Python\u4e2d\u4f7f\u7528pigpio\u5e93\uff0c\u9996\u5148\u9700\u8981\u5b89\u88c5pigpio\u5e93\u3001\u542f\u52a8p […]","protected":false},"author":3,"featured_media":1154043,"comment_status":"closed","ping_status":"","sticky":false,"template":"","format":"standard","meta":{"_acf_changed":false,"footnotes":""},"categories":[37],"tags":[],"acf":[],"_links":{"self":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1154038"}],"collection":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/users\/3"}],"replies":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/comments?post=1154038"}],"version-history":[{"count":"1","href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1154038\/revisions"}],"predecessor-version":[{"id":1154044,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/posts\/1154038\/revisions\/1154044"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media\/1154043"}],"wp:attachment":[{"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/media?parent=1154038"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/categories?post=1154038"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/docs.pingcode.com\/wp-json\/wp\/v2\/tags?post=1154038"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}