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Tests: USB: Increas the size of RX CDC test data 

This ensures the flow control is tested.
pull/9768/head
Filip Jagodzinski 2018-10-18 15:19:03 +02:00 committed by Russ Butler
parent 53f7cd5561
commit 31fe3ee11e
2 changed files with 32 additions and 16 deletions
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3
TESTS/host_tests/usb_device_serial.py
View File

@ -323,9 +323,10 @@ class USBSerialTest(mbed_host_tests.BaseHostTest):
def cb_send_bytes_multiple(self, key, value, timestamp):
"""Open the serial and send a sequence of one byte values."""
chunk_size = RX_BUFF_SIZE * int(value)
self.start_bg_task(
target=self.send_data_sequence,
args=(RX_BUFF_SIZE, ))
args=(chunk_size, ))
def cb_loopback(self, key, value, timestamp):
"""Open the serial and send a sequence of multibyte values."""

45
TESTS/usb_device/serial/main.cpp
View File

@ -45,6 +45,13 @@
#define TX_BUFF_SIZE 32
#define RX_BUFF_SIZE 32
// The size of every data chunk the host sends (for each value from a
// known sequence) during 'CDC RX multiple' test cases is
// HOST_RX_BUFF_SIZE_RATIO times the size of RX_BUFF_SIZE input buffer.
// This way the device has to correctly handle data bigger that its buffer.
#define HOST_RX_BUFF_SIZE_RATIO 64
#define CDC_LOOPBACK_REPS 1200
#define SERIAL_LOOPBACK_REPS 100
#define USB_RECONNECT_DELAY_MS 1
@ -398,19 +405,23 @@ void test_cdc_rx_multiple_bytes()
{
TestUSBCDC usb_cdc(USB_CDC_VID, USB_CDC_PID, 1, usb_dev_sn);
usb_cdc.connect();
greentea_send_kv(MSG_KEY_SEND_BYTES_MULTIPLE, MSG_VALUE_DUMMY);
greentea_send_kv(MSG_KEY_SEND_BYTES_MULTIPLE, HOST_RX_BUFF_SIZE_RATIO);
usb_cdc.wait_ready();
uint8_t buff[RX_BUFF_SIZE] = { 0 };
uint8_t expected_buff[RX_BUFF_SIZE] = { 0 };
for (int expected = 0xff; expected >= 0; expected--) {
memset(expected_buff, expected, RX_BUFF_SIZE);
TEST_ASSERT(usb_cdc.receive(buff, RX_BUFF_SIZE, NULL));
TEST_ASSERT_EQUAL_UINT8_ARRAY(expected_buff, buff, RX_BUFF_SIZE);
for (int chunk = 0; chunk < HOST_RX_BUFF_SIZE_RATIO; chunk++) {
memset(expected_buff, expected, RX_BUFF_SIZE);
TEST_ASSERT(usb_cdc.receive(buff, RX_BUFF_SIZE, NULL));
TEST_ASSERT_EQUAL_UINT8_ARRAY(expected_buff, buff, RX_BUFF_SIZE);
}
}
for (int expected = 0; expected <= 0xff; expected++) {
memset(expected_buff, expected, RX_BUFF_SIZE);
TEST_ASSERT(usb_cdc.receive(buff, RX_BUFF_SIZE, NULL));
TEST_ASSERT_EQUAL_UINT8_ARRAY(expected_buff, buff, RX_BUFF_SIZE);
for (int chunk = 0; chunk < HOST_RX_BUFF_SIZE_RATIO; chunk++) {
memset(expected_buff, expected, RX_BUFF_SIZE);
TEST_ASSERT(usb_cdc.receive(buff, RX_BUFF_SIZE, NULL));
TEST_ASSERT_EQUAL_UINT8_ARRAY(expected_buff, buff, RX_BUFF_SIZE);
}
}
// Wait for the host to close its port.
while (usb_cdc.ready()) {
@ -430,7 +441,7 @@ void test_cdc_rx_multiple_bytes_concurrent()
{
TestUSBCDC usb_cdc(USB_CDC_VID, USB_CDC_PID, 1, usb_dev_sn);
usb_cdc.connect();
greentea_send_kv(MSG_KEY_SEND_BYTES_MULTIPLE, MSG_VALUE_DUMMY);
greentea_send_kv(MSG_KEY_SEND_BYTES_MULTIPLE, HOST_RX_BUFF_SIZE_RATIO);
usb_cdc.wait_ready();
wait_ms(TX_DELAY_MS);
Thread tx_thread;
@ -439,14 +450,18 @@ void test_cdc_rx_multiple_bytes_concurrent()
uint8_t buff[RX_BUFF_SIZE] = { 0 };
uint8_t expected_buff[RX_BUFF_SIZE] = { 0 };
for (int expected = 0xff; expected >= 0; expected--) {
memset(expected_buff, expected, RX_BUFF_SIZE);
TEST_ASSERT(usb_cdc.receive(buff, RX_BUFF_SIZE, NULL));
TEST_ASSERT_EQUAL_UINT8_ARRAY(expected_buff, buff, RX_BUFF_SIZE);
for (int chunk = 0; chunk < HOST_RX_BUFF_SIZE_RATIO; chunk++) {
memset(expected_buff, expected, RX_BUFF_SIZE);
TEST_ASSERT(usb_cdc.receive(buff, RX_BUFF_SIZE, NULL));
TEST_ASSERT_EQUAL_UINT8_ARRAY(expected_buff, buff, RX_BUFF_SIZE);
}
}
for (int expected = 0; expected <= 0xff; expected++) {
memset(expected_buff, expected, RX_BUFF_SIZE);
TEST_ASSERT(usb_cdc.receive(buff, RX_BUFF_SIZE, NULL));
TEST_ASSERT_EQUAL_UINT8_ARRAY(expected_buff, buff, RX_BUFF_SIZE);
for (int chunk = 0; chunk < HOST_RX_BUFF_SIZE_RATIO; chunk++) {
memset(expected_buff, expected, RX_BUFF_SIZE);
TEST_ASSERT(usb_cdc.receive(buff, RX_BUFF_SIZE, NULL));
TEST_ASSERT_EQUAL_UINT8_ARRAY(expected_buff, buff, RX_BUFF_SIZE);
}
}
event_flags.clear(EF_SEND);
tx_thread.join();
@ -738,7 +753,7 @@ void test_serial_line_coding_change()
utest::v1::status_t testsuite_setup(const size_t number_of_cases)
{
GREENTEA_SETUP(35, "usb_device_serial");
GREENTEA_SETUP(45, "usb_device_serial");
srand((unsigned) ticker_read_us(get_us_ticker_data()));
utest::v1::status_t status = utest::v1::greentea_test_setup_handler(number_of_cases);