83 lines
1.8 KiB
C++
83 lines
1.8 KiB
C++
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//
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// Wasm3 - high performance WebAssembly interpreter written in C.
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//
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// Copyright © 2019 Steven Massey, Volodymyr Shymanskyy.
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// All rights reserved.
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//
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#include "Arduino.h"
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#include "wasm3.h"
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#include "extra/fib32.wasm.h"
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#define FATAL(func, msg) { \
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Serial.print("Fatal: " func ": "); \
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Serial.println(msg); return; }
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void run_wasm()
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{
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M3Result result = m3Err_none;
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uint8_t* wasm = (uint8_t*)fib32_wasm;
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size_t fsize = fib32_wasm_len;
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Serial.println("Loading WebAssembly...");
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IM3Environment env = m3_NewEnvironment ();
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if (!env) FATAL("m3_NewEnvironment", "failed");
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IM3Runtime runtime = m3_NewRuntime (env, 1024, NULL);
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if (!runtime) FATAL("m3_NewRuntime", "failed");
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IM3Module module;
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result = m3_ParseModule (env, &module, wasm, fsize);
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if (result) FATAL("m3_ParseModule", result);
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result = m3_LoadModule (runtime, module);
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if (result) FATAL("m3_LoadModule", result);
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IM3Function f;
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result = m3_FindFunction (&f, runtime, "fib");
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if (result) FATAL("m3_FindFunction", result);
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Serial.println("Running...");
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result = m3_CallV(f, 24);
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if (result) FATAL("m3_Call", result);
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uint32_t value = 0;
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result = m3_GetResultsV (f, &value);
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if (result) FATAL("m3_GetResults: %s", result);
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Serial.print("Result: ");
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Serial.println(value);
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}
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void setup()
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{
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pinMode(LED_BUILTIN, OUTPUT);
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Serial.begin(115200);
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delay(10);
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while (!Serial) {}
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Serial.println();
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Serial.println("Wasm3 v" M3_VERSION " on Arduino (" M3_ARCH "), build " __DATE__ " " __TIME__);
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digitalWrite(LED_BUILTIN, HIGH);
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uint32_t start = millis();
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run_wasm();
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uint32_t end = millis();
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digitalWrite(LED_BUILTIN, LOW);
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Serial.print("Elapsed: ");
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Serial.print(end - start);
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Serial.println(" ms");
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}
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void loop()
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{
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delay(100);
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}
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