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Merge pull request #12805 from fkjagodzinski/test_update-usb_serial-minimal_printf 

Tests: USBSerial: Handle minimal printf limitations
pull/12917/head
Martin Kojtal 2020-05-12 14:05:51 +02:00 committed by GitHub
parent e88c596fbb 9066e67eff
commit 5f76dfe896
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2 changed files with 12 additions and 10 deletions
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13
TESTS/host_tests/usb_device_serial.py
View File

@ -47,8 +47,8 @@ TERM_CLOSE_DELAY = 0.01
# during terminal reopen test.
TERM_REOPEN_DELAY = 0.1
# 6 (baud) + 2 (bits) + 1 (parity) + 1 (stop) + 3 * comma
LINE_CODING_STRLEN = 13
LINE_CODING_SEP = ','
LINE_CODING_DELIM = ';'
def usb_serial_name(serial_number):
@ -269,16 +269,17 @@ class USBSerialTest(mbed_host_tests.BaseHostTest):
mbed_serial.reset_output_buffer()
mbed_serial.dtr = True
try:
payload = six.ensure_str(mbed_serial.read(LINE_CODING_STRLEN))
while len(payload) == LINE_CODING_STRLEN:
baud, bits, parity, stop = (int(i) for i in payload.split(','))
payload = six.ensure_str(mbed_serial.read_until(LINE_CODING_DELIM))
while len(payload) > 0:
baud, bits, parity, stop = (
int(i) for i in payload.strip(LINE_CODING_DELIM).split(LINE_CODING_SEP))
new_line_coding = {
'baudrate': baud,
'bytesize': self._BYTESIZES[bits],
'parity': self._PARITIES[parity],
'stopbits': self._STOPBITS[stop]}
mbed_serial.apply_settings(new_line_coding)
payload = six.ensure_str(mbed_serial.read(LINE_CODING_STRLEN))
payload = six.ensure_str(mbed_serial.read_until(LINE_CODING_DELIM))
except serial.SerialException as exc:
self.log('TEST ERROR: {}'.format(exc))
self.notify_complete(False)

9
TESTS/usb_device/serial/main.cpp
View File

@ -84,7 +84,8 @@
#define SERIAL_LOOPBACK_REPS 100
#define USB_RECONNECT_DELAY_MS 1
#define LINE_CODING_STRLEN 13 // 6 + 2 + 1 + 1 + 3 * comma
#define LINE_CODING_SEP (',')
#define LINE_CODING_DELIM (';')
#define USB_DEV_SN_LEN (32) // 32 hex digit UUID
#define NONASCII_CHAR ('?')
@ -776,9 +777,9 @@ void test_serial_line_coding_change()
for (size_t i = 0; i < num_line_codings; i++) {
lc_expected = &(test_codings[i]);
num_expected_callbacks = lc_prev->get_num_diffs(*lc_expected);
rc = usb_serial.printf("%06i,%02i,%01i,%01i", lc_expected->baud, lc_expected->bits, lc_expected->parity,
lc_expected->stop);
TEST_ASSERT_EQUAL_INT(LINE_CODING_STRLEN, rc);
rc = usb_serial.printf("%06i,%02i,%01i,%01i%c", lc_expected->baud, lc_expected->bits, lc_expected->parity,
lc_expected->stop, LINE_CODING_DELIM);
TEST_ASSERT(rc > 0);
// The pyserial Python module does not update all line coding params
// at once. It updates params one by one instead, and since every
// update is followed by port reconfiguration we get multiple