Changeset 560 for trunk/electronics/avr

Timestamp:

10/11/09 07:51:08 (2 years ago)

Author:

kleinjt

Message:

working i2c master code for arduino

Files:

trunk/electronics/avr/i2c_irboard/i2c_master/serial_i2c.pde

r558	r560
1	1	#include <Wire.h>
	2	#define ADC_MODE 1
	3	#define ADDRESS 0x26
2	4
3		~~int addr = 0;~~
4	5
5		void setup()
6		{
7		Wire.begin(); // join i2c bus (address optional for master)
8		Serial.begin(9600); // start serial for output
	6	void setup() {
	7	Wire.begin();
	8	Serial.begin(9600);
9	9	}
10	10
11		void loop()
12		{
13		int in = Serial.read();
14		char tmp;
	11	void loop() {
	12	int data = -1;
	13	Serial.println("sending message");
	14	Wire.beginTransmission(ADDRESS);
	15	Wire.send(ADC_MODE);
	16	Wire.endTransmission();
15	17
16		switch (in) {
17		case 'a':
18		addr = Serial.read();
19		break;
20		case 's':
21		tmp = Serial.read();
22		Wire.beginTransmission(addr);
23		Wire.send(tmp);
24		Wire.endTransmission();
25		break;
26		case 'r':
27		Wire.requestFrom(1,addr);
28		Serial.print("received: ");
29		while(Wire.available()) {
30		tmp = Wire.receive();
31		Serial.print(tmp);
32		}
33		break;
	18	Serial.println("sent message");
	19
	20	Wire.beginTransmission(ADDRESS);
	21	Wire.requestFrom(ADDRESS, 1);
	22
	23	while(!Wire.available()) {
34	24	}
	25	data = Wire.receive();
35	26
36		delay(100);
	27	//if (Wire.available()) {
	28	// data = Wire.receive();
	29	//}
	30
	31	Wire.endTransmission();
	32	Serial.println("received message");
	33	Serial.println(data, DEC);
	34	delay(2000);
37	35	}
	36
	37