eive-obsw/mission/devices/devicedefinitions/RadSensorDefinitions.h
2021-05-03 13:35:16 +02:00

77 lines
2.5 KiB
C++

#ifndef MISSION_DEVICES_DEVICEDEFINITIONS_RADSENSOR_H_
#define MISSION_DEVICES_DEVICEDEFINITIONS_RADSENSOR_H_
namespace RAD_SENSOR {
static const DeviceCommandId_t NONE = 0x0; // Set when no command is pending
/**
* This command initiates the ADC conversion for all channels including the internal
* temperature sensor.
*/
static const DeviceCommandId_t WRITE_SETUP = 0x1;
static const DeviceCommandId_t START_CONVERSION = 0x2;
static const DeviceCommandId_t READ_CONVERSIONS = 0x3;
/**
* @brief This is the configuration byte which will be written to the setup register after
* power on.
*
* @note Bit1 (DIFFSEL1) - Bit0 (DIFFSEL0): 0b00, no data follows the setup byte
* Bit3 (REFSEL1) - Bit2 (REFSEL0): 0b01, external reference single ended
* Bit5 (CLKSEL1) - Bit4 (CLKSEL0): 0b10, MAX1227 uses internal oscillator for timing
* Bit7 - Bit6: 0b01, tells MAX1227 that this is the setup register
*
*/
static const uint8_t SETUP_DEFINITION = 0b01101000;
/**
* @brief This value will always be written to the ADC conversion register to specify the
* conversions to perform.
* @details Bit0: 1 - Enables temperature conversion
* Bit2 (SCAN1) and Bit1 (SCAN0): 0b00 (channel conversion from 0 to N)
* Bit6 - Bit3 defines N: 0b0001 (N = 1)
* Bit7: Always 1. Tells the ADC that this is the conversion register.
*/
static const uint8_t CONVERSION_DEFINITION = 0b10001001;
/**
* @brief Writing this value resets the fifo of the MAX1227.
*/
static const uint8_t RESET_DEFINITION = 0b00011000;
static const uint8_t DUMMY_BYTE = 0xFF;
static const uint8_t RAD_SENSOR_DATA_SET_ID = READ_CONVERSIONS;
/**
* One temperature value, conversion of channel 0 and conversion of channel 1
*/
static const uint8_t READ_SIZE = 6;
enum Max1227PoolIds: lp_id_t {
TEMPERATURE_C,
CHANNEL_0,
CHANNEL_1,
};
class RadSensorDataset: public StaticLocalDataSet<sizeof(float)> {
public:
RadSensorDataset(HasLocalDataPoolIF* owner) :
StaticLocalDataSet(owner, RAD_SENSOR_DATA_SET_ID) {
}
RadSensorDataset(object_id_t objectId) :
StaticLocalDataSet(sid_t(objectId, RAD_SENSOR_DATA_SET_ID)) {
}
lp_var_t<float> temperatureCelcius = lp_var_t<float>(sid.objectId, TEMPERATURE_C, this);
lp_var_t<uint16_t> channel0 = lp_var_t<uint16_t>(sid.objectId, CHANNEL_0, this);
lp_var_t<uint16_t> channel1 = lp_var_t<uint16_t>(sid.objectId, CHANNEL_1, this);
};
}
#endif /* MISSION_DEVICES_DEVICEDEFINITIONS_RADSENSOR_H_ */