Files
root ca13734bf0 Add full automotive RTOS project
Add kernel (Cortex-M0/M3/M4, Tricore, S32K, RISC-V ports), drivers,
middleware (CAN stack, diagnostics, safety), applications, board
support, build/test tooling, and documentation.
2026-08-23 03:35:29 -04:00

93 lines
2.2 KiB
C

/**
* @file test_pwm.c
* @brief Hardware tests for PWM
*/
#include "unity.h"
#include "kernel.h"
#include "pwm_driver.h"
#include "board.h"
/* Setup */
void setUp(void) {
kernel_init();
board_init();
}
/* Teardown */
void tearDown(void) {
kernel_stop();
}
/* ============================================================================
* Test Cases
* ============================================================================ */
/**
* @brief Test PWM initialization
*/
void test_pwm_init(void) {
PwmConfig_t config = {
.frequency_hz = 1000,
.alignment = PWM_ALIGNMENT_EDGE,
.period_ticks = 1000,
.prescaler = 100,
.channel_count = 1,
.channels = {
{.channel = 0, .duty_cycle = 0}
},
.enable_fault_protection = false,
.fault_action = PWM_FAULT_DISABLE
};
TEST_ASSERT_EQUAL(KERNEL_OK, pwm_init(0, &config));
}
/**
* @brief Test PWM duty cycle
*/
void test_pwm_duty_cycle(void) {
/* Set 50% duty cycle */
TEST_ASSERT_EQUAL(KERNEL_OK, pwm_set_duty_cycle(0, 0, 5000));
TEST_ASSERT_EQUAL(5000, pwm_get_duty_cycle(0, 0));
/* Set 0% duty cycle */
TEST_ASSERT_EQUAL(KERNEL_OK, pwm_set_duty_cycle(0, 0, 0));
TEST_ASSERT_EQUAL(0, pwm_get_duty_cycle(0, 0));
/* Set 100% duty cycle */
TEST_ASSERT_EQUAL(KERNEL_OK, pwm_set_duty_cycle(0, 0, 10000));
TEST_ASSERT_EQUAL(10000, pwm_get_duty_cycle(0, 0));
}
/**
* @brief Test PWM frequency
*/
void test_pwm_frequency(void) {
/* Set frequency */
TEST_ASSERT_EQUAL(KERNEL_OK, pwm_set_frequency(0, 2000));
TEST_ASSERT_EQUAL(2000, pwm_get_frequency(0));
}
/**
* @brief Test PWM start/stop
*/
void test_pwm_start_stop(void) {
TEST_ASSERT_EQUAL(KERNEL_OK, pwm_start(0));
TEST_ASSERT_EQUAL(KERNEL_OK, pwm_stop(0));
}
/* ============================================================================
* Test Runner
* ============================================================================ */
int main(void) {
UNITY_BEGIN();
RUN_TEST(test_pwm_init);
RUN_TEST(test_pwm_duty_cycle);
RUN_TEST(test_pwm_frequency);
RUN_TEST(test_pwm_start_stop);
return UNITY_END();
}