111 lines
2.1 KiB
C++
111 lines
2.1 KiB
C++
/* HW Timer test */
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#include <unity.h>
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#define TIMER_DIVIDER 16
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#define TIMER_SCALE (APB_CLK_FREQ / TIMER_DIVIDER)
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hw_timer_t * timer = NULL;
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static volatile bool alarm_flag;
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/* These functions are intended to be called before and after each test. */
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void setUp(void) {
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timer = timerBegin(0, TIMER_DIVIDER, true);
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timerStop(timer);
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timerRestart(timer);
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}
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void tearDown(void){
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timerEnd(timer);
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}
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void ARDUINO_ISR_ATTR onTimer(){
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alarm_flag = true;
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}
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void timer_interrupt_test(void){
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alarm_flag = false;
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timerAttachInterrupt(timer, &onTimer, true);
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timerAlarmWrite(timer, (1.2 * TIMER_SCALE), true);
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timerAlarmEnable(timer);
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timerStart(timer);
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delay(2000);
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TEST_ASSERT_EQUAL(true, alarm_flag);
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timerStop(timer);
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timerRestart(timer);
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alarm_flag = false;
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timerAlarmDisable(timer);
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timerStart(timer);
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delay(2000);
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TEST_ASSERT_EQUAL(false, alarm_flag);
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}
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void timer_divider_test(void){
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uint64_t time_val;
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uint64_t comp_time_val;
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timerStart(timer);
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delay(1000);
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time_val = timerRead(timer);
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// compare divider 16 and 8, value should be double
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timerStop(timer);
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timerSetDivider(timer,8);
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timerRestart(timer);
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timerStart(timer);
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delay(1000);
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comp_time_val = timerRead(timer);
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TEST_ASSERT_INT_WITHIN(5000, 5000000, time_val);
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TEST_ASSERT_INT_WITHIN(10000, 10000000, comp_time_val);
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// divider is 256, value should be 2^4
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timerStop(timer);
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timerSetDivider(timer,256);
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timerRestart(timer);
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timerStart(timer);
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delay(1000);
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comp_time_val = timerRead(timer);
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TEST_ASSERT_INT_WITHIN(5000, 5000000, time_val);
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TEST_ASSERT_INT_WITHIN(3126, 312500, comp_time_val);
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}
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void timer_read_test(void){
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uint64_t set_timer_val = 0xFF;
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uint64_t get_timer_val = 0;
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timerWrite(timer,set_timer_val);
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get_timer_val = timerRead(timer);
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TEST_ASSERT_EQUAL(set_timer_val, get_timer_val);
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}
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void setup(){
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// Open serial communications and wait for port to open:
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Serial.begin(115200);
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while (!Serial) {
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;
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}
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UNITY_BEGIN();
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RUN_TEST(timer_read_test);
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RUN_TEST(timer_interrupt_test);
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RUN_TEST(timer_divider_test);
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UNITY_END();
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}
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void loop(){
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}
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