diff options
Diffstat (limited to 'tests/extmod/machine_uart_tx.py')
| -rw-r--r-- | tests/extmod/machine_uart_tx.py | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/tests/extmod/machine_uart_tx.py b/tests/extmod/machine_uart_tx.py index 54c0af2b23..25bb834929 100644 --- a/tests/extmod/machine_uart_tx.py +++ b/tests/extmod/machine_uart_tx.py @@ -14,6 +14,7 @@ if "rp2" in sys.platform: uart_id = 0 tx_pin = "GPIO0" rx_pin = "GPIO1" + timing_margin_us = 180 else: print("SKIP") raise SystemExit @@ -31,4 +32,5 @@ for bits_per_s in (2400, 9600, 115200): # 1(startbit) + 8(bits) + 1(stopbit) + 0(parity) bits_per_char = 10 expect_us = (len(text)) * bits_per_char * 1_000_000 // bits_per_s - print(bits_per_s, duration_us <= expect_us) + delta_us = abs(duration_us - expect_us) + print(bits_per_s, delta_us <= timing_margin_us or delta_us) |