func main() {
mega := tmega{
bus: i2c.NewI2CBus(0),
Addr: 0x78,
ReadRetryDelay: 10 * time.Millisecond,
}
var err error
var msg megaMsg
time.Sleep(mega.ReadRetryDelay)
if err = mega.SendUART(0x30, true); err != nil {
log.Printf("SendUART error %v", err)
}
time.Sleep(mega.ReadRetryDelay)
if msg, err = mega.ReadMsg(1 * time.Second); err != nil {
log.Printf("Read error %v", err)
}
log.Printf("ReadMsg %s", msg.String())
time.Sleep(mega.ReadRetryDelay)
if err = mega.SendUART(0x30, false); err != nil {
log.Printf("SendUART error %v", err)
}
time.Sleep(mega.ReadRetryDelay)
if msg, err = mega.ReadMsg(1 * time.Second); err != nil {
log.Printf("Read error %v", err)
}
log.Printf("ReadMsg %s", msg.String())
}
func main1() {
addr := byte(0x70)
twi := i2c.NewI2CBus(0)
//buf := []byte{0x80, 0x00, 0x74}
//err := twi.WriteBytes(addr, buf)
//log.Printf("write err=%v", err)
//time.Sleep(10 * time.Millisecond)
//for i := 0; i < len(buf); i++ {
// buf[i] = 0
//}
//log.Printf("read err=%v buf=%02x%02x%02x", err, buf[0], buf[1], buf[2])
for {
b, err := twi.ReadByte(addr)
if err == nil {
log.Printf("read %02x", b)
} else {
log.Printf("read err=%v", err)
}
time.Sleep(100 * time.Millisecond)
}
// twi.
}