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#include "unity.h"
#include "Types.h"
#include "TimerInterruptHandler.h"
#include "AT91SAM7X256.h"
AT91S_TC TimerCounter0Peripheral;
void setUp(void)
{
}
void tearDown(void)
{
}
void testSetAndGetSystemTime(void)
{
Timer_SetSystemTime(0);
TEST_ASSERT_EQUAL(0, Timer_GetSystemTime());
Timer_SetSystemTime(129837);
TEST_ASSERT_EQUAL(129837, Timer_GetSystemTime());
Timer_SetSystemTime(UINT32_MAX);
TEST_ASSERT_EQUAL(UINT32_MAX, Timer_GetSystemTime());
}
void testInterruptHandlerShouldIncrementSystemTimeOnlyIfStatusHasCompareRegisterCOverflowBitSet(void)
{
Timer_SetSystemTime(0);
AT91C_BASE_TC0->TC_SR = 0;
Timer_InterruptHandler();
TEST_ASSERT_EQUAL(0, Timer_GetSystemTime());
Timer_SetSystemTime(0);
AT91C_BASE_TC0->TC_SR = ~AT91C_TC_CPCS;
Timer_InterruptHandler();
TEST_ASSERT_EQUAL(0, Timer_GetSystemTime());
Timer_SetSystemTime(0);
AT91C_BASE_TC0->TC_SR = AT91C_TC_CPCS;
Timer_InterruptHandler();
TEST_ASSERT(Timer_GetSystemTime() > 0);
Timer_SetSystemTime(0);
AT91C_BASE_TC0->TC_SR = 0xffffffff;
Timer_InterruptHandler();
TEST_ASSERT(Timer_GetSystemTime() > 0);
}
void testInterruptHandlerShouldIncrementSystemTimerBy_10(void)
{
Timer_SetSystemTime(0);
AT91C_BASE_TC0->TC_SR = AT91C_TC_CPCS;
Timer_InterruptHandler();
TEST_ASSERT_EQUAL(10, Timer_GetSystemTime());
AT91C_BASE_TC0->TC_SR = AT91C_TC_CPCS;
Timer_InterruptHandler();
TEST_ASSERT_EQUAL(20, Timer_GetSystemTime());
Timer_SetSystemTime(39426857);
AT91C_BASE_TC0->TC_SR = AT91C_TC_CPCS;
Timer_InterruptHandler();
TEST_ASSERT_EQUAL(39426867, Timer_GetSystemTime());
}
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