mirror of
https://github.com/ThrowTheSwitch/CMock
synced 2025-03-13 16:51:12 -04:00
48 lines
1.3 KiB
C
48 lines
1.3 KiB
C
#include "unity.h"
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#include "Types.h"
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#include "AdcTemperatureSensor.h"
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#include "AT91SAM7X256.h"
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AT91S_ADC AdcPeripheral;
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void setUp(void)
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{
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}
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void tearDown(void)
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{
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}
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void testShouldStartTemperatureSensorConversionWhenTriggered(void)
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{
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AT91C_BASE_ADC->ADC_CR = 0;
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Adc_StartTemperatureSensorConversion();
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TEST_ASSERT_EQUAL(AT91C_ADC_START, AT91C_BASE_ADC->ADC_CR);
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}
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void testTemperatureSensorSampleReadyShouldReturnChannelConversionCompletionStatus(void)
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{
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AT91C_BASE_ADC->ADC_SR = 0;
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TEST_ASSERT_EQUAL(FALSE, Adc_TemperatureSensorSampleReady());
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AT91C_BASE_ADC->ADC_SR = ~AT91C_ADC_EOC4;
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TEST_ASSERT_EQUAL(FALSE, Adc_TemperatureSensorSampleReady());
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AT91C_BASE_ADC->ADC_SR = AT91C_ADC_EOC4;
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TEST_ASSERT_EQUAL(TRUE, Adc_TemperatureSensorSampleReady());
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AT91C_BASE_ADC->ADC_SR = 0xffffffff;
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TEST_ASSERT_EQUAL(TRUE, Adc_TemperatureSensorSampleReady());
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}
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void testReadTemperatureSensorShouldFetchAndTranslateLatestReadingToMillivolts(void)
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{
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uint16 result;
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// ADC bit weight at 10-bit resolution with 3.0V reference = 2.9296875 mV/LSB
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AT91C_BASE_ADC->ADC_CDR4 = 138;
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result = Adc_ReadTemperatureSensor();
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TEST_ASSERT_EQUAL(404, result);
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AT91C_BASE_ADC->ADC_CDR4 = 854;
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result = Adc_ReadTemperatureSensor();
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TEST_ASSERT_EQUAL(2502, result);
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}
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