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Adding the first unit test to verify battery voltage calculations based

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on expected ADC readings.
This commit is contained in:
Dominic Clifton 2014-05-05 15:29:23 +01:00
parent b0cc4df73f
commit f268c9c4f2
5 changed files with 29834 additions and 0 deletions
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60
test/battery_unittest.cc Normal file
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#include <stdint.h>
#include <limits.h>
#include "battery.h"
#include "gtest/gtest.h"
typedef struct batteryAdcToVoltageExpectation_s {
uint16_t adcReading;
uint16_t expectedVoltageInDeciVoltSteps;
} batteryAdcToVoltageExpectation_t;
#define ELEVEN_TO_ONE_VOLTAGE_DIVIDER 110 // (10k:1k) * 10 for 0.1V
TEST(BatteryTest, BatteryADCToVoltage)
{
// given
batteryConfig_t batteryConfig;
batteryConfig.vbatscale = ELEVEN_TO_ONE_VOLTAGE_DIVIDER;
batteryInit(&batteryConfig);
batteryAdcToVoltageExpectation_t batteryAdcToVoltageExpectations[] = {
{1420, 125},
{1430, 126},
{1440, 127},
{1890, 167},
{1900, 168},
{1910, 169}
};
uint8_t testIterationCount = sizeof(batteryAdcToVoltageExpectations) / sizeof(batteryAdcToVoltageExpectation_t);
// expect
for (uint8_t index = 0; index < testIterationCount; index ++) {
batteryAdcToVoltageExpectation_t *batteryAdcToVoltageExpectation = &batteryAdcToVoltageExpectations[index];
printf("adcReading: %d\n", batteryAdcToVoltageExpectation->adcReading);
uint16_t pointOneVoltSteps = batteryAdcToVoltage(batteryAdcToVoltageExpectation->adcReading);
EXPECT_EQ(pointOneVoltSteps, batteryAdcToVoltageExpectation->expectedVoltageInDeciVoltSteps);
}
}
// STUBS
#define UNUSED(x) (void)(x)
uint16_t adcGetChannel(uint8_t channel)
{
UNUSED(channel);
return 0;
}
void delay(uint32_t ms)
{
UNUSED(ms);
return;
}