rrd = ser.readline()
print rrd
if (rrd.find("READY") != -1):
ready = 1
# parse result
bytes_str = rrd[17:]
rx_cnt = int(bytes_str, 10)
break
if (rrd.find("BUSY") != -1):
continue
break
if (rx_cnt != 0):
#get data
(status, data_out) = get_buffer(ser, rx_cnt)
print "get_buffer return status: %r" % status
#save to file
print "Save results"
root = Tkinter.Tk()
root.withdraw()
file_opt = options = {}
options['defaultextension'] = '*.*'
options['filetypes'] = [('all files', '*.*')]
options['title'] = 'Save results'
file_path = tkFileDialog.asksaveasfilename(**file_opt)
if (not file_path):
#wait for finish
done = 0
rrd = str()
while (done == 0):
rrd = ser.readline()
if (rrd != ''):
print(rrd)
done = 1
else:
print('.')
#verify result
if (rrd.find("OK.", 0, 3) != -1):
#parse for received bytes count
bytes_str = rrd[3:]
rx_cnt = int(bytes_str, 10)
if (rx_cnt > 0):
#read bytes with get_buffer command
(status, rx_data) = get_buffer(ser, rx_cnt)
print "get_buffer return status: %r" % status
rx_buffer = bytearray(rx_cnt)
rx_buffer[0:rx_cnt] = rx_data
#convert to tuples
(status, rx_messages) = deserialize_messages(rx_buffer)
if (status == 1):
for messa in rx_messages:
print messa
raw_input("Press Enter to exit ...")
print "COM port OK"
except:
print "Error COM port"
sys.exit(0)
print("Requesting data...")
wro = ser.write("i2s readbuf 1, " + str(samples_cnt * 2) + "\r\n")
time.sleep(0.1)
rrd = ser.readline()
#if (rrd != 'OK\r\n'):
print(rrd)
# sys.exit(0)
# get buffer
(status, data_out) = get_buffer(ser, samples_cnt * 8)
print "get_buffer return status: %r" % status
#print data_out.encode("hex")
data = bytearray(8 * samples_cnt)
data[0:8 * samples_cnt] = data_out
sampleR = [0] * samples_cnt
sampleL = [0] * samples_cnt
for i in range(0, samples_cnt):
sampleR[i] = data[i * 8] | (data[i * 8 + 1] << 8) | (
data[i * 8 + 2] << 16) | (data[i * 8 + 3] << 24)
sampleR[i] ^= 0x80000000
sampleL[i] = data[i * 8 + 4] | (data[i * 8 + 5] << 8) | (
from getbuffer import get_buffer
COM_PORT_ENG = 'COM17'
#---- Application ---------------------------------------------------------
print "===================================="
print "* Get buffer tester"
print "===================================="
local_com_port = sys.argv[1] if (len(sys.argv) > 1) else COM_PORT_ENG
# Open serial port
print "Open serial port " + local_com_port
try:
ser = serial.Serial(local_com_port, 115200, timeout=3)
print "COM port OK"
except:
print "Error COM port"
sys.exit(0)
(status, data_out) = get_buffer(ser, 128)
print "get_buffer return status: %r" % status
print data_out.encode("hex")
# Close serial port
ser.close()
print "API test done"
print("Starting...")
usb2io_sendcmd(ser, "i2s wreadbuf 1, " + str(data_cnt) + "\r\n")
print("Busy...")
done = 0
while (done == 0):
rrd = ser.readline()
if (rrd != ''):
print(rrd)
else:
print('.')
if (rrd == 'OK\r\n'):
done = 1
# get buffer
print("Reading...")
(status, data_out) = get_buffer(ser, data_cnt * 4)
print "get_buffer return status: %r" % status
#print data_out.encode("hex")
rx_data = bytearray(4 * data_cnt)
rx_data[0:4 * data_cnt] = data_out
sampleR = [0] * (data_cnt >> 1)
sampleL = [0] * (data_cnt >> 1)
for i in range(0, data_cnt >> 1):
sampleR[i] = rx_data[i * 8] | (rx_data[i * 8 + 1] << 8) | (
rx_data[i * 8 + 2] << 16) | (rx_data[i * 8 + 3] << 24)
sampleR[i] ^= 0x80000000
#sampleR[i] = int(0x80000000 + 0x80000000 * math.sin(2 * 3.14 * i/samples_cnt))
print "* UART1 config"
print "* pin connection:"
print "* GPIO10 - UART1 Rx"
print "* GPIO11 - UART1 Tx"
print "* GPIO12 - UART1 RTS"
print "* GPIO13 - UART1 CTS"
print "===================================="
local_com_port = sys.argv[1] if (len(sys.argv) > 1) else COM_PORT_ENG
# Open serial port
print "Open serial port " + local_com_port
try:
ser = serial.Serial(local_com_port, 115200, timeout=30)
print "COM port OK"
except:
print "Error COM port"
sys.exit(0)
print("Reading...")
data_count = 12
# format: uart readbuffer channel, data_count, timeout\r\n
if (usb2io_sendcmd(ser, "uart readbuffer 1, " + str(data_count) + ", 1000\r\n")
!= "OK\r\n"):
sys.exit(0)
(status, data_out) = get_buffer(ser, data_count)
print "get_buffer return status: %r" % status
print data_out.encode("hex")
raw_input("Press Enter to exit ...")
