diff options
Diffstat (limited to 'tools')
-rwxr-xr-x[-rw-r--r--] | tools/pyboard.py | 111 |
1 files changed, 88 insertions, 23 deletions
diff --git a/tools/pyboard.py b/tools/pyboard.py index 40f2ac934c..d5a01720b7 100644..100755 --- a/tools/pyboard.py +++ b/tools/pyboard.py @@ -1,3 +1,5 @@ +#!/usr/bin/env python + """ pyboard interface @@ -19,10 +21,15 @@ To run a script from the local machine on the board and print out the results: This script can also be run directly. To execute a local script, use: + ./pyboard.py test.py + +Or: + python pyboard.py test.py """ +import sys import time import serial @@ -31,21 +38,26 @@ class PyboardError(BaseException): class Pyboard: def __init__(self, serial_device): - self.serial = serial.Serial(serial_device) + self.serial = serial.Serial(serial_device, baudrate=115200, interCharTimeout=1) def close(self): self.serial.close() - def read_until(self, min_num_bytes, ending, timeout=10): + def read_until(self, min_num_bytes, ending, timeout=10, data_consumer=None): data = self.serial.read(min_num_bytes) + if data_consumer: + data_consumer(data) timeout_count = 0 while True: - if self.serial.inWaiting() > 0: - data = data + self.serial.read(self.serial.inWaiting()) - time.sleep(0.01) - timeout_count = 0 - elif data.endswith(ending): + if data.endswith(ending): break + elif self.serial.inWaiting() > 0: + new_data = self.serial.read(1) + data = data + new_data + if data_consumer: + data_consumer(new_data) + #time.sleep(0.01) + timeout_count = 0 else: timeout_count += 1 if timeout_count >= 10 * timeout: @@ -54,8 +66,12 @@ class Pyboard: return data def enter_raw_repl(self): - self.serial.write(b'\r\x03') # ctrl-C: interrupt any running program + self.serial.write(b'\r\x03\x03') # ctrl-C twice: interrupt any running program self.serial.write(b'\r\x01') # ctrl-A: enter raw REPL + data = self.read_until(1, b'to exit\r\n>') + if not data.endswith(b'raw REPL; CTRL-B to exit\r\n>'): + print(data) + raise PyboardError('could not enter raw repl') self.serial.write(b'\x04') # ctrl-D: soft reset data = self.read_until(1, b'to exit\r\n>') if not data.endswith(b'raw REPL; CTRL-B to exit\r\n>'): @@ -65,31 +81,51 @@ class Pyboard: def exit_raw_repl(self): self.serial.write(b'\r\x02') # ctrl-B: enter friendly REPL - def eval(self, expression): - ret = self.exec('print({})'.format(expression)) - ret = ret.strip() - return ret + def follow(self, data_consumer=False): + # wait for normal output + data = self.read_until(1, b'\x04', data_consumer=data_consumer) + if not data.endswith(b'\x04'): + raise PyboardError('timeout waiting for first EOF reception') + data = data[:-1] - def exec(self, command): + # wait for error output + data_err = self.read_until(2, b'\x04>') + if not data_err.endswith(b'\x04>'): + raise PyboardError('timeout waiting for second EOF reception') + data_err = data_err[:-2] + + # return normal and error output + return data, data_err + + def exec_raw(self, command, data_consumer=False): if isinstance(command, bytes): command_bytes = command else: command_bytes = bytes(command, encoding='ascii') + + # write command for i in range(0, len(command_bytes), 32): self.serial.write(command_bytes[i:min(i+32, len(command_bytes))]) time.sleep(0.01) self.serial.write(b'\x04') + + # check if we could exec command data = self.serial.read(2) if data != b'OK': raise PyboardError('could not exec command') - data = self.read_until(2, b'\x04>') - if not data.endswith(b'\x04>'): - print(data) - raise PyboardError('timeout waiting for EOF reception') - if data.startswith(b'Traceback') or data.startswith(b' File '): - print(data) - raise PyboardError('command failed') - return data[:-2] + + return self.follow(data_consumer) + + def eval(self, expression): + ret = self.exec('print({})'.format(expression)) + ret = ret.strip() + return ret + + def exec(self, command): + ret, ret_err = self.exec_raw(command) + if ret_err: + raise PyboardError('exception', ret, ret_err) + return ret def execfile(self, filename): with open(filename) as f: @@ -175,8 +211,37 @@ def main(): if args.test: run_test(device=args.device) - for file in args.files: - execfile(file, device=args.device) + if len(args.files) == 0: + try: + pyb = Pyboard(args.device) + ret, ret_err = pyb.follow(data_consumer=lambda d:print(str(d, encoding='ascii'), end='')) + pyb.close() + except PyboardError as er: + print(er) + sys.exit(1) + except KeyboardInterrupt: + sys.exit(1) + if ret_err: + print(str(ret_err, encoding='ascii'), end='') + sys.exit(1) + + for filename in args.files: + try: + pyb = Pyboard(args.device) + pyb.enter_raw_repl() + with open(filename) as f: + pyfile = f.read() + ret, ret_err = pyb.exec_raw(pyfile, data_consumer=lambda d:print(str(d, encoding='ascii'), end='')) + pyb.exit_raw_repl() + pyb.close() + except PyboardError as er: + print(er) + sys.exit(1) + except KeyboardInterrupt: + sys.exit(1) + if ret_err: + print(str(ret_err, encoding='ascii'), end='') + sys.exit(1) if __name__ == "__main__": main() |