#include "unity.h"
#include "Types.h"
#include "UsartBaudRateRegisterCalculator.h"

void setUp(void)
{
}

void tearDown(void)
{
}

void testCalculateBaudRateRegisterSettingShouldCalculateRegisterSettingAppropriately(void)
{
  // BaudRate = MCK / (CD x 16) - per datasheet section 30.6.1.2 "Baud Rate Calculation Example"
  TEST_ASSERT_EQUAL(26, UsartModel_CalculateBaudRateRegisterSetting(48000000, 115200));
  TEST_ASSERT_EQUAL(6,  UsartModel_CalculateBaudRateRegisterSetting(3686400,  38400));
  TEST_ASSERT_EQUAL(23, UsartModel_CalculateBaudRateRegisterSetting(14318180, 38400));
  TEST_ASSERT_EQUAL(20, UsartModel_CalculateBaudRateRegisterSetting(12000000, 38400));
  TEST_ASSERT_EQUAL(13, UsartModel_CalculateBaudRateRegisterSetting(12000000, 56800));
}