no message

arduino/arduino.ino

@@ -0,0 +1,36 @@
+
+
+int incomedate = 0;
+
+void setup() {
+  // put your setup code here, to run once:
+   pinMode(13, OUTPUT);
+   Serial.begin(9600); //设置串口波特率9600
+  Serial.println(78, BIN);// "1001110"
+  Serial.println(78, OCT);// "116"
+  Serial.println(78, DEC);// "78"
+  Serial.println(78, HEX);// "4E"
+  Serial.println(1.23456, 0);// "1"
+  Serial.println(1.23456, 2);// "1.23"
+  Serial.println(1.23456, 4);// "1.2346"
+  Serial.println('N');// "N"
+  Serial.println("Hello world.");// "Hello world."
+
+}
+
+void loop() {
+  // put your main code here, to run repeatedly:
+   digitalWrite(13, HIGH); // turn the LED on (HIGH is the voltage level)
+   delay(1000); // wait for a second
+   digitalWrite(13, LOW); // turn the LED off by making the voltage LOW
+   delay(1000); // wait for a second
+  if (Serial.available() > 0)//串口接收到数据
+  {
+    incomedate = Serial.read();//获取串口接收到的数据
+    if (incomedate == 'H')
+    {
+      Serial.println("Good Job!");
+    }
+  }
+
+}

arduino/arduino/stepper.ino/stepper.ino.ino

@@ -1,57 +0,0 @@
-/*
- Stepper Motor Control - one revolution
- This program drives a unipolar or bipolar stepper motor.
- The motor is attached to digital pins 8 - 11 of the Arduino.
- The motor should revolve one revolution in one direction, then
- one revolution in the other direction.
- Created 11 Mar. 2007
- Modified 30 Nov. 2009
- by Tom Igoe
- */
-#include <Stepper.h>
-#include <Servo.h>
-
-const int stepsPerRevolution = 20;  // change this to fit the number of steps per revolution
-// for your motor
-Servo myservo; // create servo object to control a servo
-
-// initialize the stepper library on pins 8 through 11:
-
-#define CLK 10
-#define CW 9
-#define EN 8
-
-void setup() {
-  // set the speed at 60 rpm:
-  pinMode(CLK,OUTPUT);
-  pinMode(CW,OUTPUT);
-  pinMode(EN,OUTPUT);  
-  // initialize the serial port:
-  Serial.begin(115200);
-  digitalWrite(EN,LOW);
-  myservo.attach(12); // attaches the servo on pin 9 to the servo object
-}
-
-void loop() {
-     char data[20] = {0};
-     digitalWrite(EN,LOW);
-
-  // step one revolution  in one direction:
-     if(Serial.available()){ //if number of bytes (characters) available for reading from { 
-        Serial.readBytes(data,20);
-        Serial.print("I received:"); //print I received
-        Serial.write(data); //send what you read
-        String strInt = data;    // string to hold input
-        int ints = strInt.toInt();
-        Serial.print(ints); //print I received
-        myservo.write(ints); // sets the servo position according to the scaled value
-        for(int cnt = 0;cnt < ints;cnt++){
-          delay(100);          
-          digitalWrite(EN,LOW);
-          delay(100);
-          digitalWrite(EN,HIGH);
-
-        }
-        ints = 0;
-     }
-}

arduino/modbus_slave.ino

@@ -0,0 +1,55 @@
+#include "ModBusSlave0.h"
+
+
+#define TRANSMIT_PIN 6
+#define MODBUS_ADDRESS 100
+
+ModBusSlave0 mod(false);
+
+ISR(USART0_RX_vect)
+{
+  mod.receiveHandler();
+}
+
+ISR(USART0_TX_vect)
+{
+  mod.transmitHandler();
+}
+
+uint16_t get_addr(uint16_t addr){
+  switch(addr){
+    case 1:
+      return 1;
+    default:
+      return addr;
+  }
+}
+
+uint8_t prepareResponse03(uint8_t *frame, uint8_t* data) {
+  if(frame[1] == 0x03){
+    uint16_t addr = uint16_t(frame[2])*256 + uint16_t(frame[3]);
+    uint16_t len = uint16_t(frame[4])*256 + uint16_t(frame[5]);
+
+    int i = 0;
+    while(len --){
+      data[i] = (get_addr(addr + i/2)&0xff00)>>8;
+      data[i + 1] = get_addr(addr + i/2)&0x00ff;
+      i +=2 ;
+    }
+    return i;
+  }
+  if(frame[1] == 0x06){
+    
+  }
+
+}
+
+void setup() {
+  mod.begin(57600, TRANSMIT_PIN, MODBUS_ADDRESS);
+  mod.prepareResponse03 = *prepareResponse03;
+}
+
+void loop() {
+  mod.process();
+}
+