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tests/periph_uart_nonblocking: test print with disabled irq

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This commit is contained in:
Francisco Molina 2020-06-15 16:47:10 +02:00
parent 0b8adb2d27
commit f7d124e141
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GPG Key ID: 3E94EAC3DBDEEDA8
2 changed files with 14 additions and 0 deletions
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13
tests/periph_uart_nonblocking/main.c
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@ -30,8 +30,21 @@ static inline uint32_t puts_delay(const char* str)
return LINE_DELAY_MS * 1000; return LINE_DELAY_MS * 1000;
} }
static void _irq_disabled_print(void)
{
unsigned state = irq_disable();
/* fill the transmit buffer */
for (uint8_t i = 0; i < UART_TXBUF_SIZE; i++) {
printf(" ");
}
puts("\nputs with disabled interrupts and a full transmit buffer");
irq_restore(state);
}
int main(void) int main(void)
{ {
_irq_disabled_print();
uint32_t total_us = 0; uint32_t total_us = 0;
xtimer_ticks32_t counter = xtimer_now(); xtimer_ticks32_t counter = xtimer_now();

1
tests/periph_uart_nonblocking/tests/01-run.py
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@ -14,6 +14,7 @@ PRECISION = 1.002
def testfunc(child): def testfunc(child):
child.expect_exact("puts with disabled interrupts and a full transmit buffer")
child.expect(r'== printed in (\d+)/(\d+) µs ==') child.expect(r'== printed in (\d+)/(\d+) µs ==')
time_actual = int(child.match.group(1)) time_actual = int(child.match.group(1))
time_expect = int(child.match.group(2)) time_expect = int(child.match.group(2))