2021-08-29 14:44:58 +00:00
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/** lgpio を Node.js から利用するモジュール ** */
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/** 関数名・書式は lgpio Python に準拠 ******************* */
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2020-01-21 07:10:10 +00:00
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#include <napi.h>
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2021-08-29 14:44:58 +00:00
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#include <lgpio.h>
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2020-01-21 07:10:10 +00:00
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#include <unistd.h>
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#include <string>
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using namespace Napi;
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2021-08-29 14:44:58 +00:00
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// gpiochipデバイスを開く
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2021-09-18 14:29:06 +00:00
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Value gpiochipOpen(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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if (info.Length() < 1)
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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if (!info[0].IsNumber())
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int gpioDev = info[0].As<Number>().Int32Value();
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2021-08-29 14:44:58 +00:00
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return Number::New(env, lgGpiochipOpen(gpioDev));
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2020-01-21 07:10:10 +00:00
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}
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2021-08-29 14:44:58 +00:00
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// gpiochipデバイスを閉じる
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2021-09-18 14:29:06 +00:00
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Value gpiochipClose(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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if (info.Length() < 1)
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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if (!info[0].IsNumber())
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int handle = info[0].As<Number>().Int32Value();
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2021-08-29 14:44:58 +00:00
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return Number::New(env, lgGpiochipClose(handle));
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2020-01-21 07:10:10 +00:00
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}
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2021-08-29 14:44:58 +00:00
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// GPIO のモードを出力にする(ことを要求?)
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2021-09-18 14:29:06 +00:00
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Value gpioClaimOutput(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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if (info.Length() < 2)
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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if (!info[0].IsNumber() || !info[1].IsNumber())
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int handle = info[0].As<Number>().Int32Value();
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int gpio = info[1].As<Number>().Int32Value();
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2020-01-21 07:10:10 +00:00
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return Number::New(env,
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2021-09-18 14:29:06 +00:00
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lgGpioClaimOutput(handle, 0, gpio, 0));
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2020-01-21 07:10:10 +00:00
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}
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2021-08-29 14:44:58 +00:00
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// GPIO のモードを入力にする(ことを要求?)
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2021-09-18 14:29:06 +00:00
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Value gpioClaimInput(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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2021-08-29 14:44:58 +00:00
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if (info.Length() < 3)
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-08-29 14:44:58 +00:00
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if (!info[0].IsNumber() || !info[1].IsNumber() || !info[2].IsNumber())
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int handle = info[0].As<Number>().Int32Value();
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int gpio = info[1].As<Number>().Int32Value();
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int lflag = info[2].As<Number>().Int32Value();
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2020-01-21 07:10:10 +00:00
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return Number::New(env,
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2021-09-18 14:29:06 +00:00
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lgGpioClaimInput(handle, lflag, gpio));
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2020-01-21 07:10:10 +00:00
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}
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2021-08-29 14:44:58 +00:00
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// GPIOの電圧を読む
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2021-09-18 14:29:06 +00:00
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Value gpioRead(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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if (info.Length() < 2)
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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if (!info[0].IsNumber() || !info[1].IsNumber())
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int handle = info[0].As<Number>().Int32Value();
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int gpio = info[1].As<Number>().Int32Value();
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2020-01-21 07:10:10 +00:00
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return Number::New(env,
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2021-09-18 14:29:06 +00:00
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lgGpioRead(handle, gpio));
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2020-01-21 07:10:10 +00:00
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}
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2021-08-29 14:44:58 +00:00
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// GPIO の電圧をセットする
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2021-09-18 14:29:06 +00:00
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Value gpioWrite(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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2021-08-29 14:44:58 +00:00
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if (info.Length() < 3)
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-08-29 14:44:58 +00:00
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if (!info[0].IsNumber() || !info[1].IsNumber() || !info[2].IsNumber())
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int handle = info[0].As<Number>().Int32Value();
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int gpio = info[1].As<Number>().Int32Value();
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int level = info[2].As<Number>().Int32Value();
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2020-01-21 07:10:10 +00:00
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return Number::New(env,
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2021-09-18 14:29:06 +00:00
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lgGpioWrite(handle, gpio, level));
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2020-01-21 07:10:10 +00:00
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}
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2021-08-29 14:44:58 +00:00
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// サーボパルス幅をセットする
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2021-09-18 14:29:06 +00:00
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Value txServo(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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2021-08-29 14:44:58 +00:00
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if (info.Length() < 3)
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-08-29 14:44:58 +00:00
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if (!info[0].IsNumber() || !info[1].IsNumber() || !info[2].IsNumber())
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int handle = info[0].As<Number>().Int32Value();
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int gpio = info[1].As<Number>().Int32Value();
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int pulseWidth = info[2].As<Number>().Int32Value();
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2020-01-21 07:10:10 +00:00
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return Number::New(env,
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2021-09-18 14:29:06 +00:00
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lgTxServo(handle, gpio, pulseWidth, 50, 0, 0));
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2020-01-21 07:10:10 +00:00
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}
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2021-08-29 14:44:58 +00:00
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// PWMを設定して出力
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2021-09-18 14:29:06 +00:00
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Value txPwm(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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2021-08-29 14:44:58 +00:00
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if (info.Length() < 4)
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-08-29 14:44:58 +00:00
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if (!info[0].IsNumber() || !info[1].IsNumber() || !info[2].IsNumber() || !info[3].IsNumber())
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int handle = info[0].As<Number>().Int32Value();
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int gpio = info[1].As<Number>().Int32Value();
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float pwmFrequency = info[2].As<Number>().FloatValue();
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float pwmDutyCycle = info[3].As<Number>().FloatValue();
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2020-01-21 07:10:10 +00:00
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return Number::New(env,
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2021-09-18 14:29:06 +00:00
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lgTxPwm(handle, gpio, pwmFrequency, pwmDutyCycle, 0, 0));
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2020-01-21 07:10:10 +00:00
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}
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// シリアルポートを開く
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2021-09-18 14:29:06 +00:00
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Value serialOpen(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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2021-08-29 14:44:58 +00:00
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if (info.Length() < 2)
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-08-29 14:44:58 +00:00
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if (!info[0].IsString() || !info[1].IsNumber())
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2020-01-21 07:10:10 +00:00
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-08-29 14:44:58 +00:00
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std::string tty = info[0].As<String>().Utf8Value();
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2021-09-18 14:29:06 +00:00
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// char *c = new char[tty.size()+1];
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// std::strcpy(c, tty.c_str());
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2020-01-21 07:10:10 +00:00
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// &ser_tty[0] で参照できるらしいけど危険?
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2021-09-18 14:29:06 +00:00
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int baud = info[1].As<Number>().Int32Value();
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2020-01-21 07:10:10 +00:00
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return Number::New(env,
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2021-09-18 14:29:06 +00:00
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lgSerialOpen(tty.c_str(), baud, 0));
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2020-01-21 07:10:10 +00:00
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}
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// シリアルポートを閉じる
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2021-09-18 14:29:06 +00:00
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Value serialClose(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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if (info.Length() < 1)
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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if (!info[0].IsNumber())
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int handle = info[0].As<Number>().Int32Value();
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2020-01-21 07:10:10 +00:00
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return Number::New(env,
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2021-09-18 14:29:06 +00:00
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lgSerialClose(handle));
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2020-01-21 07:10:10 +00:00
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}
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2021-08-29 14:44:58 +00:00
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// シリアルデバイスからデータを受け取る
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2021-09-18 14:29:06 +00:00
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Value SerialRead(const CallbackInfo &info)
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2020-01-21 07:10:10 +00:00
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{
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Env env = info.Env();
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if (info.Length() < 2)
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{
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TypeError::New(env, "Wrong number of arguments")
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.ThrowAsJavaScriptException();
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return env.Null();
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}
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if (!info[0].IsNumber() || !info[1].IsNumber())
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{
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TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
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return env.Null();
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}
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2021-09-18 14:29:06 +00:00
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int handle = info[0].As<Number>().Int32Value();
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int count = info[1].As<Number>().Int32Value();
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2021-09-22 12:35:08 +00:00
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char rxBuf[count];
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int rxCount = lgSerialRead(handle, rxBuf, count);
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auto outBuf = Buffer<char>::Copy(env, rxBuf, rxCount);
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return outBuf;
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2020-01-21 07:10:10 +00:00
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}
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2021-09-18 14:29:06 +00:00
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// シリアルデバイスにバイト列を送る(data: buffer)
|
|
|
|
|
Value serialWrite(const CallbackInfo &info)
|
2020-01-21 07:10:10 +00:00
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 2)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
2021-09-18 14:29:06 +00:00
|
|
|
|
if (!info[0].IsNumber() || !info[1].IsBuffer())
|
2020-01-21 07:10:10 +00:00
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-18 14:29:06 +00:00
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
|
|
|
|
auto txBuf = info[1].As<Buffer<char>>();
|
2020-01-21 07:10:10 +00:00
|
|
|
|
|
2021-09-18 14:29:06 +00:00
|
|
|
|
int count = txBuf.Length();
|
2020-01-21 07:10:10 +00:00
|
|
|
|
|
|
|
|
|
return Number::New(env,
|
2021-09-18 14:29:06 +00:00
|
|
|
|
lgSerialWrite(handle, txBuf.Data(), count));
|
2020-01-21 07:10:10 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// I2Cバスアドレスのデバイスのハンドルを返す
|
2021-09-18 14:29:06 +00:00
|
|
|
|
Value i2cOpen(const CallbackInfo &info)
|
2020-01-21 07:10:10 +00:00
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
2021-08-29 14:44:58 +00:00
|
|
|
|
if (info.Length() < 2)
|
2020-01-21 07:10:10 +00:00
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
2021-08-29 14:44:58 +00:00
|
|
|
|
if (!info[0].IsNumber() || !info[1].IsNumber())
|
2020-01-21 07:10:10 +00:00
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-18 14:29:06 +00:00
|
|
|
|
int i2cDev = info[0].As<Number>().Int32Value();
|
|
|
|
|
int i2cAddr = info[1].As<Number>().Int32Value();
|
2020-01-21 07:10:10 +00:00
|
|
|
|
|
|
|
|
|
return Number::New(env,
|
2021-09-18 14:29:06 +00:00
|
|
|
|
lgI2cOpen(i2cDev, i2cAddr, 0));
|
2020-01-21 07:10:10 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// オープン済みI2Cハンドルを閉じる
|
2021-09-18 14:29:06 +00:00
|
|
|
|
Value i2cClose(const CallbackInfo &info)
|
2020-01-21 07:10:10 +00:00
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 1)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
if (!info[0].IsNumber())
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-18 14:29:06 +00:00
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
2020-01-21 07:10:10 +00:00
|
|
|
|
|
|
|
|
|
return Number::New(env,
|
2021-09-18 14:29:06 +00:00
|
|
|
|
lgI2cClose(handle));
|
2020-01-21 07:10:10 +00:00
|
|
|
|
}
|
|
|
|
|
|
2021-09-07 12:18:50 +00:00
|
|
|
|
// デバイスに1バイトを送る
|
2021-09-18 14:29:06 +00:00
|
|
|
|
Value i2cWriteByte(const CallbackInfo &info)
|
2021-09-07 12:18:50 +00:00
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 2)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
if (!info[0].IsNumber() || !info[1].IsNumber())
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-18 14:29:06 +00:00
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
|
|
|
|
int byteVal = info[1].As<Number>().Int32Value();
|
2021-09-07 12:18:50 +00:00
|
|
|
|
|
|
|
|
|
return Number::New(env,
|
2021-09-18 14:29:06 +00:00
|
|
|
|
lgI2cWriteByte(handle, byteVal));
|
|
|
|
|
}
|
2021-09-07 12:18:50 +00:00
|
|
|
|
// デバイスから1バイトを受け取る
|
2021-09-18 14:29:06 +00:00
|
|
|
|
Value i2cReadByte(const CallbackInfo &info)
|
2021-09-07 12:18:50 +00:00
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 1)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
if (!info[0].IsNumber())
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-18 14:29:06 +00:00
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
2021-09-07 12:18:50 +00:00
|
|
|
|
|
|
|
|
|
return Number::New(env,
|
2021-09-18 14:29:06 +00:00
|
|
|
|
lgI2cReadByte(handle));
|
|
|
|
|
}
|
2021-09-07 12:18:50 +00:00
|
|
|
|
|
2020-01-21 07:10:10 +00:00
|
|
|
|
// I2Cハンドルに関連付けられているデバイスの指定されたレジスタに1バイトを書き込む
|
2021-09-18 14:29:06 +00:00
|
|
|
|
Value i2cWriteByteData(const CallbackInfo &info)
|
2020-01-21 07:10:10 +00:00
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 3)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
if (!info[0].IsNumber() || !info[1].IsNumber() || !info[2].IsNumber())
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-18 14:29:06 +00:00
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
|
|
|
|
int i2cReg = info[1].As<Number>().Int32Value();
|
|
|
|
|
int byteVal = info[2].As<Number>().Int32Value();
|
2020-01-21 07:10:10 +00:00
|
|
|
|
|
|
|
|
|
return Number::New(env,
|
2021-09-18 14:29:06 +00:00
|
|
|
|
lgI2cWriteByteData(handle, i2cReg, byteVal));
|
2020-01-21 07:10:10 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// I2Cハンドルに関連付けられているデバイスの指定されたレジスタから1バイトを読み込む
|
2021-09-18 14:29:06 +00:00
|
|
|
|
Value i2cReadByteData(const CallbackInfo &info)
|
2020-01-21 07:10:10 +00:00
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 2)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
if (!info[0].IsNumber() || !info[1].IsNumber())
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-18 14:29:06 +00:00
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
|
|
|
|
int i2cReg = info[1].As<Number>().Int32Value();
|
2020-01-21 07:10:10 +00:00
|
|
|
|
|
|
|
|
|
return Number::New(env,
|
2021-09-18 14:29:06 +00:00
|
|
|
|
lgI2cReadByteData(handle, i2cReg));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// I2Cハンドルに関連付けられているデバイスの指定されたレジスタからcountバイトを読み込む。countは1~32。
|
|
|
|
|
Value i2cReadI2cBlockData(const CallbackInfo &info)
|
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 3)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
if (!info[0].IsNumber() || !info[1].IsNumber() || !info[2].IsNumber())
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
|
|
|
|
int i2cReg = info[1].As<Number>().Int32Value();
|
|
|
|
|
int count = info[2].As<Number>().Int32Value();
|
|
|
|
|
|
2021-09-22 12:35:08 +00:00
|
|
|
|
char rxBuf[count];
|
|
|
|
|
int rxCount = lgI2cReadI2CBlockData(handle, i2cReg, rxBuf, count);
|
|
|
|
|
auto outBuf = Buffer<char>::Copy(env, rxBuf, rxCount);
|
2021-09-18 14:29:06 +00:00
|
|
|
|
|
2021-09-22 12:35:08 +00:00
|
|
|
|
return outBuf;
|
2020-01-21 07:10:10 +00:00
|
|
|
|
}
|
2021-09-18 14:29:06 +00:00
|
|
|
|
|
2020-01-21 07:10:10 +00:00
|
|
|
|
// I2Cハンドルに関連付けられているデバイスの指定されたレジスタから単一の16ビットワードを読み取る
|
2021-09-18 14:29:06 +00:00
|
|
|
|
Value I2cReadWordData(const CallbackInfo &info)
|
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 2)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
if (!info[0].IsNumber() || !info[1].IsNumber())
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
|
|
|
|
int i2cReg = info[1].As<Number>().Int32Value();
|
|
|
|
|
|
|
|
|
|
return Number::New(env,
|
|
|
|
|
lgI2cReadWordData(handle, i2cReg));
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// i2c デバイスからデータを受け取る
|
|
|
|
|
Value I2cReadDevice(const CallbackInfo &info)
|
2020-01-21 07:10:10 +00:00
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 2)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
if (!info[0].IsNumber() || !info[1].IsNumber())
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
2021-09-18 14:29:06 +00:00
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
|
|
|
|
int count = info[1].As<Number>().Int32Value();
|
|
|
|
|
|
2021-09-22 12:35:08 +00:00
|
|
|
|
char rxBuf[count];
|
|
|
|
|
int rxCount = lgI2cReadDevice(handle, rxBuf, count);
|
|
|
|
|
auto outBuf = Buffer<char>::Copy(env, rxBuf, rxCount);
|
2021-09-18 14:29:06 +00:00
|
|
|
|
|
2021-09-22 12:35:08 +00:00
|
|
|
|
return outBuf;
|
2021-09-18 14:29:06 +00:00
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
// i2c デバイスにバイト列を送る(data: buffer)
|
|
|
|
|
Value I2cWriteDevice(const CallbackInfo &info)
|
|
|
|
|
{
|
|
|
|
|
Env env = info.Env();
|
|
|
|
|
if (info.Length() < 2)
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong number of arguments")
|
|
|
|
|
.ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
if (!info[0].IsNumber() || !info[1].IsBuffer())
|
|
|
|
|
{
|
|
|
|
|
TypeError::New(env, "Wrong arguments").ThrowAsJavaScriptException();
|
|
|
|
|
return env.Null();
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
int handle = info[0].As<Number>().Int32Value();
|
|
|
|
|
auto txBuf = info[1].As<Buffer<char>>();
|
|
|
|
|
|
|
|
|
|
int count = txBuf.Length();
|
2020-01-21 07:10:10 +00:00
|
|
|
|
|
|
|
|
|
return Number::New(env,
|
2021-09-18 14:29:06 +00:00
|
|
|
|
lgI2cWriteDevice(handle, txBuf.Data(), count));
|
2020-01-21 07:10:10 +00:00
|
|
|
|
}
|
2021-09-18 14:29:06 +00:00
|
|
|
|
|
2020-01-21 07:10:10 +00:00
|
|
|
|
Object
|
|
|
|
|
Init(Env env, Object exports)
|
|
|
|
|
{
|
2021-10-03 10:04:38 +00:00
|
|
|
|
exports.Set(String::New(env, "_gpiochip_open"), Function::New(env, gpiochipOpen));
|
|
|
|
|
exports.Set(String::New(env, "_gpiochip_close"), Function::New(env, gpiochipClose));
|
|
|
|
|
exports.Set(String::New(env, "_gpio_claim_input"), Function::New(env, gpioClaimInput));
|
|
|
|
|
exports.Set(String::New(env, "_gpio_claim_output"), Function::New(env, gpioClaimOutput));
|
|
|
|
|
exports.Set(String::New(env, "_gpio_read"), Function::New(env, gpioRead));
|
|
|
|
|
exports.Set(String::New(env, "_gpio_write"), Function::New(env, gpioWrite));
|
|
|
|
|
exports.Set(String::New(env, "_tx_servo"), Function::New(env, txServo));
|
|
|
|
|
exports.Set(String::New(env, "_tx_pwm"), Function::New(env, txPwm));
|
|
|
|
|
exports.Set(String::New(env, "_serial_open"), Function::New(env, serialOpen));
|
|
|
|
|
exports.Set(String::New(env, "_serial_close"), Function::New(env, serialClose));
|
|
|
|
|
exports.Set(String::New(env, "_serial_read"), Function::New(env, SerialRead));
|
|
|
|
|
exports.Set(String::New(env, "_serial_write"), Function::New(env, serialWrite));
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exports.Set(String::New(env, "_i2c_open"), Function::New(env, i2cOpen));
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exports.Set(String::New(env, "_i2c_close"), Function::New(env, i2cClose));
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exports.Set(String::New(env, "_i2c_write_byte"), Function::New(env, i2cWriteByte));
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exports.Set(String::New(env, "_i2c_read_byte"), Function::New(env, i2cReadByte));
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exports.Set(String::New(env, "_i2c_write_byte_data"), Function::New(env, i2cWriteByteData));
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exports.Set(String::New(env, "_i2c_read_byte_data"), Function::New(env, i2cReadByteData));
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exports.Set(String::New(env, "_i2c_read_i2c_block_data"), Function::New(env, i2cReadI2cBlockData));
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exports.Set(String::New(env, "_i2c_read_word_data"), Function::New(env, I2cReadWordData));
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exports.Set(String::New(env, "_i2c_read_device"), Function::New(env, I2cReadDevice));
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exports.Set(String::New(env, "_i2c_write_device"), Function::New(env, I2cWriteDevice));
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2021-08-29 14:44:58 +00:00
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2020-01-21 07:10:10 +00:00
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return exports;
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}
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2021-09-18 14:29:06 +00:00
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NODE_API_MODULE(lgpio, Init)
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