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提交 3e1ba7be 编写于 作者: chai2010's avatar chai2010
浏览文件
操作

arduino 添加 wa 例子, 可在 nano 33 开发板执行

上级 f72d55a6
隐藏空白更改
内联 并排
Showing with 348 addition and 8 deletion
_examples/arduino/Makefile 0 → 100644
浏览文件 @ 3e1ba7be
default:
go run ../../main.go build -target=arduino app.wa
wat2wasm a.out.wat -o app.wasm
xxd -i app.wasm > app.wasm.h
clean:
-rm *.h *.wasm *.out*
_examples/arduino/app.wa
浏览文件 @ 3e1ba7be
......@@ -2,20 +2,15 @@
import "syscall/arduino"
var LED = arduino.GetPinLED()
fn init() {
arduino.PinMode(LED, 1)
arduino.Println("Wa is running 😎")
arduino.Println("Greeting: " + GetGreeting())
arduino.Println("凹语言(Wa)/Arduino is running ...")
}
fn main() {
LED := arduino.GetPinLED()
for {
time := arduino.Millis()
arduino.Println(time)
arduino.DigitalWrite(LED, arduino.HIGH)
arduino.Delay(100)
arduino.DigitalWrite(LED, arduino.LOW)
......
_examples/arduino/app.wasm.h 0 → 100644
浏览文件 @ 3e1ba7be
unsigned char app_wasm[] = {
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unsigned int app_wasm_len = 1512;
_examples/arduino/arduino.ino 0 → 100644
浏览文件 @ 3e1ba7be
/*
* Wasm3 - high performance WebAssembly interpreter written in C.
* Copyright © 2020 Volodymyr Shymanskyy, Steven Massey.
* All rights reserved.
*/
#include <wasm3.h>
#include <m3_env.h>
/*
* Configuration
*/
// Redefine the default LED pin here, if needed
#ifndef LED_PIN
#define LED_PIN LED_BUILTIN
#endif
#define WASM_STACK_SLOTS 1024
#define NATIVE_STACK_SIZE (32*1024)
// For (most) devices that cannot allocate a 64KiB wasm page
#define WASM_MEMORY_LIMIT 8096
/*
* WebAssembly app
*
* This is essentially a simple "Blink" sketch, compiled to WebAssembly
* You can build a wasm binary using C/C++, Rust, AssemblyScript, TinyGo, ...
* See https://github.com/wasm3/wasm3-arduino/tree/master/wasm_apps for details
*/
#include "app.wasm.h"
/*
* API bindings
*
* Note: each RawFunction should complete with one of these calls:
* m3ApiReturn(val) - Returns a value
* m3ApiSuccess() - Returns void (and no traps)
* m3ApiTrap(trap) - Returns a trap
*/
m3ApiRawFunction(m3_arduino_millis)
{
m3ApiReturnType (uint32_t)
m3ApiReturn(millis());
}
m3ApiRawFunction(m3_arduino_delay)
{
m3ApiGetArg (uint32_t, ms)
// You can also trace API calls
//Serial.print("api: delay "); Serial.println(ms);
delay(ms);
m3ApiSuccess();
}
// This maps pin modes from arduino_wasm_api.h
// to actual platform-specific values
uint8_t mapPinMode(uint8_t mode)
{
switch(mode) {
case 0: return INPUT;
case 1: return OUTPUT;
case 2: return INPUT_PULLUP;
}
return INPUT;
}
m3ApiRawFunction(m3_arduino_pinMode)
{
m3ApiGetArg (uint32_t, pin)
m3ApiGetArg (uint32_t, mode)
#if !defined(PARTICLE)
typedef uint8_t PinMode;
#endif
pinMode(pin, (PinMode)mapPinMode(mode));
m3ApiSuccess();
}
m3ApiRawFunction(m3_arduino_digitalWrite)
{
m3ApiGetArg (uint32_t, pin)
m3ApiGetArg (uint32_t, value)
digitalWrite(pin, value);
m3ApiSuccess();
}
m3ApiRawFunction(m3_arduino_getPinLED)
{
m3ApiReturnType (uint32_t)
m3ApiReturn(LED_PIN);
}
m3ApiRawFunction(m3_arduino_print)
{
m3ApiGetArgMem (const uint8_t *, buf)
m3ApiGetArg (uint32_t, len)
Serial.write(buf, len);
m3ApiSuccess();
}
M3Result LinkArduino (IM3Runtime runtime)
{
IM3Module module = runtime->modules;
const char* arduino = "arduino";
m3_LinkRawFunction (module, arduino, "millis", "i()", &m3_arduino_millis);
m3_LinkRawFunction (module, arduino, "delay", "v(i)", &m3_arduino_delay);
m3_LinkRawFunction (module, arduino, "pinMode", "v(ii)", &m3_arduino_pinMode);
m3_LinkRawFunction (module, arduino, "digitalWrite", "v(ii)", &m3_arduino_digitalWrite);
// Test functions
m3_LinkRawFunction (module, arduino, "getPinLED", "i()", &m3_arduino_getPinLED);
m3_LinkRawFunction (module, arduino, "print", "v(*i)", &m3_arduino_print);
return m3Err_none;
}
/*
* Engine start, liftoff!
*/
#define FATAL(func, msg) { Serial.print("Fatal: " func " "); Serial.println(msg); return; }
void wasm_task(void*)
{
M3Result result = m3Err_none;
IM3Environment env = m3_NewEnvironment ();
if (!env) FATAL("NewEnvironment", "failed");
IM3Runtime runtime = m3_NewRuntime (env, WASM_STACK_SLOTS, NULL);
if (!runtime) FATAL("NewRuntime", "failed");
#ifdef WASM_MEMORY_LIMIT
runtime->memoryLimit = WASM_MEMORY_LIMIT;
#endif
IM3Module module;
result = m3_ParseModule (env, &module, app_wasm, app_wasm_len);
if (result) FATAL("ParseModule", result);
result = m3_LoadModule (runtime, module);
if (result) FATAL("LoadModule", result);
result = LinkArduino (runtime);
if (result) FATAL("LinkArduino", result);
IM3Function f;
result = m3_FindFunction (&f, runtime, "_start");
if (result) FATAL("FindFunction", result);
Serial.println("Running WebAssembly...");
result = m3_CallV (f);
// Should not arrive here
if (result) {
M3ErrorInfo info;
m3_GetErrorInfo (runtime, &info);
Serial.print("Error44: ");
Serial.print(result);
Serial.print(" (");
Serial.print(info.message);
Serial.println(")");
if (info.file && strlen(info.file) && info.line) {
Serial.print("At ");
Serial.print(info.file);
Serial.print(":");
Serial.println(info.line);
}
}
}
void setup()
{
Serial.begin(115200);
delay(100);
// Wait for serial port to connect
// Needed for native USB port only
while(!Serial) {}
Serial.println("\nWasm3 v" M3_VERSION " (" M3_ARCH "), build " __DATE__ " " __TIME__);
#ifdef ESP32
// On ESP32, we can launch in a separate thread
xTaskCreate(&wasm_task, "wasm3", NATIVE_STACK_SIZE, NULL, 5, NULL);
#else
wasm_task(NULL);
#endif
}
void loop()
{
delay(100);
}
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