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| author | Mark Whitehorn <kd0aij@gmail.com> | 2014-11-02 16:46:41 -0700 |
|---|---|---|
| committer | Mark Whitehorn <kd0aij@gmail.com> | 2014-11-02 16:46:41 -0700 |
| commit | 26f809f669b1a9cee9c74014cf3a00d17fe7cd62 (patch) | |
| tree | 0db21ecc56aaa93ca6b06652c4e04215ff128d37 | |
| parent | e448f541cc0861569472833960e52fd519280be2 (diff) | |
| download | px4-nuttx-26f809f669b1a9cee9c74014cf3a00d17fe7cd62.tar.gz px4-nuttx-26f809f669b1a9cee9c74014cf3a00d17fe7cd62.tar.bz2 px4-nuttx-26f809f669b1a9cee9c74014cf3a00d17fe7cd62.zip | |
branch master: add simple python program to exercise usb serial
| -rw-r--r-- | nuttx/configs/stm32f4discovery/usbnsh/defconfig | 2 | ||||
| -rw-r--r-- | usbtest/usbacm.py | 55 |
2 files changed, 56 insertions, 1 deletions
diff --git a/nuttx/configs/stm32f4discovery/usbnsh/defconfig b/nuttx/configs/stm32f4discovery/usbnsh/defconfig index 7712f3260..58b517098 100644 --- a/nuttx/configs/stm32f4discovery/usbnsh/defconfig +++ b/nuttx/configs/stm32f4discovery/usbnsh/defconfig @@ -279,7 +279,7 @@ CONFIG_STM32_SPI=y # CONFIG_STM32_JTAG_FULL_ENABLE is not set # CONFIG_STM32_JTAG_NOJNTRST_ENABLE is not set CONFIG_STM32_JTAG_SW_ENABLE=y -# CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG is not set +CONFIG_STM32_DISABLE_IDLE_SLEEP_DURING_DEBUG=y # CONFIG_STM32_FORCEPOWER is not set # CONFIG_ARCH_BOARD_STM32_CUSTOM_CLOCKCONFIG is not set # CONFIG_STM32_CCMEXCLUDE is not set diff --git a/usbtest/usbacm.py b/usbtest/usbacm.py new file mode 100644 index 000000000..5c864532f --- /dev/null +++ b/usbtest/usbacm.py @@ -0,0 +1,55 @@ +import serial, time + + +port = serial.Serial('/dev/ttyACM0', baudrate=57600, timeout=2) + +data = '01234567890123456789012345678901234567890123456789' +#data = 'hellohello' +outLine = 'echo %s\n' % data + +port.write('\n\n\n') +port.write('free\n') +line = port.readline(80) +while line != '': + print(line) + line = port.readline(80) + + +i = 0 +bytesOut = 0 +bytesIn = 0 + +startTime = time.time() +lastPrint = startTime +while True: + bytesOut += port.write(outLine) + line = port.readline(80) + bytesIn += len(line) + # check command line echo + if (data not in line): + print('command error %d: %s' % (i,line)) + #break + # read echo output + line = port.readline(80) + if (data not in line): + print('echo output error %d: %s' % (i,line)) + #break + bytesIn += len(line) + #print('%d: %s' % (i,line)) + #print('%d: bytesOut: %d, bytesIn: %d' % (i, bytesOut, bytesIn)) + + elapsedT = time.time() - lastPrint + if (time.time() - lastPrint >= 5): + outRate = bytesOut / elapsedT + inRate = bytesIn / elapsedT + usbRate = (bytesOut + bytesIn) / elapsedT + lastPrint = time.time() + print('elapsed time: %f' % (time.time() - startTime)) + print('data rates (bytes/sec): out: %f, in: %f, total: %f' % (outRate, inRate, usbRate)) + + bytesOut = 0 + bytesIn = 0 + + i += 1 + #if (i > 2): break + |