Teensyduino 1.26 Beta #1 Available

123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:;<=>?@ABCD
123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:;<=>?@ABCD
123456789:;<=>?@[B]123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:;<=>?@ABCD[/B]
123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:;<=>?@ABCD
123456789:;<=>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ0123456789:;<=>?@ABCD

void setup() {
   Serial.begin(9600);
}

byte count = 0;

const byte BUFSIZE = 64;
byte buffer[BUFSIZE] = {0};

void loop() {
  count = '1';
  for(int i = 0; i < BUFSIZE; i++) {
    buffer[i] = count++;
    if (count > 'Z') {count = '0';}
  }
  buffer[63] = '\n';
 // while (!Serial.available()) {};
  Serial.write(buffer, 64);
}

python ./readbackTest.rb 
Getting Port
Found Teensy at /dev/cu.usbmodem1346771.
Opening port
Starting to read
Last error:
Expected: 444444444444444444444444444444444444444444444444444444444444444
Received: 4444444444444444444444444444444444444444444444444444444[B]666666666666666666666666666666666666666666666666666666666666666[/B]


OK: 8506, Error: 1494, Error rate [B]14.94%[/B]

int i = 0;
const int MAXBUF = 10;
const int USB_BUFSIZE = 65; // 64 + 0 termination
char sprintbuf[MAXBUF][USB_BUFSIZE];

bool send_now = false;

void setup() {
  Serial.begin(9600);
  // Prepare some data
  for (i=0; i< MAXBUF; i++) {
    int j = i*111111;
    sprintf(sprintbuf[i], "%06d%06d%06d%06d%06d%06d%06d%06d%06d%05d%04d\n", j,j,j,j,j,j,j,j,j,i*11111,i*1111);
  }
  Serial.flush();
}

void loop() {
  if (Serial.available() > 0) {
    char command = Serial.read();
    if (command == 'b') {
      send_now = true;
    }
    if (command == 'e') {
      send_now = false;
    }
  }
  if (send_now) {
    for (i=0; i< MAXBUF; i++) {
      // Send 64 bytes as fast as possible. 
      Serial.print(sprintbuf[i]);
    }
  }
}

#!/usr/bin/python
import serial
import time

# Find the port the teensy is at, for convenience
def getTeensyPort():
    import serial.tools.list_ports as lp
    for portDict in lp.comports():
        if any("VID:PID".lower() in s.lower() for s in portDict):

            #pull out the VID and PID numbers
            start = portDict[2].find('=')
            middle = start + portDict[2][start:-1].find(':')
            end = middle + portDict[2][middle:-1].find(' ')
            VID = int(portDict[2][start+1:middle], 16) #convert hex string to int
            PID = int(portDict[2][middle+1:end], 16)

            if VID == 5824 and PID == 1155:
                print "Found Teensy at {}.".format(portDict[0])
                return portDict[0]

    # If we have found and returned none, it is an issue.
    raise Exception("Unable to find a Teensy board in USB enumeration.")

print "Getting Port"
port = getTeensyPort()
print "Opening port"
ser = serial.Serial(port)
time.sleep(0.01)
ser.write("b\n") # begin to send
ser.flush()
ok_count    = 0
error_count = 0
lastError = "No Error"
print "Starting to read"
while (ok_count + error_count < 10000): #
    line = ser.readline()
    expected = (line[0] * 63)
    if (line.rstrip() != expected.rstrip()):
        lastError =  "Expected: {}\nReceived: {}".format(expected,line)
        error_count = error_count + 1
    else:
        ok_count = ok_count + 1

ser.write("e\n") # finish sending
ser.flush()

print "Last error:\n{}\n".format(lastError)

print "OK: {}, Error: {}, Error rate {}%".format(ok_count, error_count, 1.0*int(10000.0*(1.0*error_count/(error_count + ok_count)))/100)

C:\sourcecode\Sketchbook\serial_speed_straight>ver

Microsoft Windows [Version 10.0.10586]

C:\sourcecode\Sketchbook\serial_speed_straight>python readbackTest.py
Getting Port
Found Teensy at COM5.
Opening port
Starting to read
Last error:
No Error

OK: 10000, Error: 0, Error rate 0.0%

$ python serialdebug.py 
Getting Port
Found Teensy at /dev/ttyACM0.
Opening port
Starting to read
Last error:
No Error

OK: 10000, Error: 0, Error rate 0.0%