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Merge pull request #20083 from maribu/tests/periph/selftest_shield

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tests/periph/selftest_shield: re-enable ADC test
This commit is contained in:
Marian Buschsieweke 2023-11-16 12:04:00 +00:00 committed by GitHub
commit 14ff958659
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1 changed files with 8 additions and 11 deletions
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19
tests/periph/selftest_shield/main.c
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@ -26,6 +26,7 @@
#include <stdlib.h>
#include <string.h>
#include "architecture.h"
#include "arduino_iomap.h"
#include "macros/units.h"
#include "macros/utils.h"
@ -40,9 +41,6 @@
#include "stdio_uart.h" /* for STDIO_UART_DEV */
/* BEGIN: controls of the behavior of the testing app: */
#define ENABLE_DEBUG 1
#include "debug.h"
#ifndef STOP_ON_FAILURE
#define STOP_ON_FAILURE 0
#endif
@ -93,10 +91,9 @@
* - periph_adc support (so that we have something to test)
* - Arduino I/O mapping for ADC (so that we know which line to test)
* - The PCF857x driver (so that we can control the R-2R resistor ladder
* connected to the GPIO expander.
* connected to the GPIO expander).
*/
#if defined(MODULE_PERIPH_ADC) && defined(ARDUINO_A0) && defined(MODULE_PCF857X) && 0
// TODO: Re-anble when PCB is fixed
#if defined(MODULE_PERIPH_ADC) && defined(ARDUINO_A0) && defined(MODULE_PCF857X)
# define ENABLE_ADC_TEST 1
#else
# define ENABLE_ADC_TEST 0
@ -716,8 +713,8 @@ static bool periph_uart_rxtx_test(uint32_t symbolrate)
/* expecting actual duration within 75% to 200% of the expected. */
failed |= TEST(stop - start > duration_ticks - (duration_ticks >> 2));
failed |= TEST(stop - start < (duration_ticks << 1));
if (failed) {
DEBUG("%" PRIu32 " Bd, expected %" PRIu16 " ticks, got %" PRIu16
if (failed && DETAILED_OUTPUT) {
printf("%" PRIu32 " Bd, expected %" PRIu16 " ticks, got %" PRIu16
" ticks\n",
symbolrate, duration_ticks, (uint16_t)(stop - start));
}
@ -979,9 +976,9 @@ static bool periph_adc_test(void)
uint16_t sample = adc_sample(ARDUINO_A0, ADC_RES_10BIT);
uint16_t expected = i << 6;
/* the resistors are said to be rather accurate, so lets be a bit
* more strict here */
const uint16_t delta = 16;
/* The resistors on board v0.3 are not that accurate, so allow for 10%
* error margin */
const uint16_t delta = 1024 / 10;
uint16_t lower = expected <= delta ? 0 : expected - delta;
uint16_t upper = MIN(1023, expected + delta);
bool test_failed = TEST((lower <= sample) && (upper >= sample));