Files
templates/c/can-sensor/tests/test_can_sensor.c

80 lines
2.6 KiB
C

#include "can_sensor.h"
#include <stdio.h>
typedef struct {
CanSensor_Frame last_frame;
uint32_t send_count;
uint8_t accept;
} FakeCan;
static uint8_t fake_send(void *context, const CanSensor_Frame *frame)
{
FakeCan *fake = (FakeCan *)context;
fake->send_count++;
fake->last_frame = *frame;
return fake->accept;
}
#define CHECK(condition) \
do { \
if (!(condition)) { \
fprintf(stderr, "check failed at line %d: %s\n", __LINE__, \
#condition); \
return 1; \
} \
} while (0)
int main(void)
{
CanSensor link;
CanSensor_Config config;
CanSensor_Io io;
FakeCan fake = {0};
fake.accept = 1U;
io.send = fake_send;
io.receive = 0;
io.context = &fake;
CanSensor_ConfigDefault(&config);
CHECK(config.pulse_period_ms == 0U);
CHECK(CanSensor_Init(&link, &io, &config) != 0U);
/* Нулевой период означает выключенный PULSE при любых метках времени. */
CanSensor_Task(&link, 0U);
CanSensor_Task(&link, 0xFFFFFFFFUL);
CHECK(fake.send_count == 0U);
CanSensor_SetPulsePeriod(&link, 1000U);
CHECK(CanSensor_PulsePeriod(&link) == 1000U);
CanSensor_Task(&link, 500U);
CanSensor_Task(&link, 1499U);
CHECK(fake.send_count == 0U);
CanSensor_Task(&link, 1500U);
CHECK(fake.send_count == 1U);
CHECK(fake.last_frame.id == 0x1FFF0000UL);
CHECK(fake.last_frame.extended == 1U);
CHECK(fake.last_frame.length == 1U);
CHECK(fake.last_frame.data[0] == 1U);
/* После period=0 дальнейшие вызовы не отправляют heartbeat. */
CanSensor_SetPulsePeriod(&link, 0U);
CHECK(CanSensor_PulsePeriod(&link) == 0U);
CanSensor_Task(&link, 0xFFFFFFFFUL);
CHECK(fake.send_count == 1U);
/* Повторное включение начинает новый полный период. */
CanSensor_SetPulsePeriod(&link, 10U);
CanSensor_Task(&link, 2000U);
CanSensor_Task(&link, 2009U);
CHECK(fake.send_count == 1U);
CanSensor_Task(&link, 2010U);
CHECK(fake.send_count == 2U);
CHECK(fake.last_frame.data[0] == 2U);
puts("can_sensor pulse tests passed");
return 0;
}