fsfw/hal/src/fsfw_hal/devicehandlers/GyroL3GD20Handler.cpp

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#include "GyroL3GD20Handler.h"
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#include "fsfw/datapool/PoolReadGuard.h"
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#include <cmath>
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GyroHandlerL3GD20H::GyroHandlerL3GD20H(object_id_t objectId, object_id_t deviceCommunication,
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CookieIF *comCookie, uint32_t transitionDelayMs):
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DeviceHandlerBase(objectId, deviceCommunication, comCookie),
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transitionDelayMs(transitionDelayMs), dataset(this) {
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#if FSFW_HAL_L3GD20_GYRO_DEBUG == 1
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debugDivider = new PeriodicOperationDivider(3);
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#endif
}
GyroHandlerL3GD20H::~GyroHandlerL3GD20H() {}
void GyroHandlerL3GD20H::doStartUp() {
if(internalState == InternalState::NONE) {
internalState = InternalState::CONFIGURE;
}
if(internalState == InternalState::CONFIGURE) {
if(commandExecuted) {
internalState = InternalState::CHECK_REGS;
commandExecuted = false;
}
}
if(internalState == InternalState::CHECK_REGS) {
if(commandExecuted) {
internalState = InternalState::NORMAL;
if(goNormalModeImmediately) {
setMode(MODE_NORMAL);
}
else {
setMode(_MODE_TO_ON);
}
commandExecuted = false;
}
}
}
void GyroHandlerL3GD20H::doShutDown() {
setMode(_MODE_POWER_DOWN);
}
ReturnValue_t GyroHandlerL3GD20H::buildTransitionDeviceCommand(DeviceCommandId_t *id) {
switch(internalState) {
case(InternalState::NONE):
case(InternalState::NORMAL): {
return NOTHING_TO_SEND;
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}
case(InternalState::CONFIGURE): {
*id = L3GD20H::CONFIGURE_CTRL_REGS;
uint8_t command [5];
command[0] = L3GD20H::CTRL_REG_1_VAL;
command[1] = L3GD20H::CTRL_REG_2_VAL;
command[2] = L3GD20H::CTRL_REG_3_VAL;
command[3] = L3GD20H::CTRL_REG_4_VAL;
command[4] = L3GD20H::CTRL_REG_5_VAL;
return buildCommandFromCommand(*id, command, 5);
}
case(InternalState::CHECK_REGS): {
*id = L3GD20H::READ_REGS;
return buildCommandFromCommand(*id, nullptr, 0);
}
default:
#if FSFW_CPP_OSTREAM_ENABLED == 1
/* Might be a configuration error. */
sif::warning << "GyroL3GD20Handler::buildTransitionDeviceCommand: "
"Unknown internal state!" << std::endl;
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#else
sif::printDebug("GyroL3GD20Handler::buildTransitionDeviceCommand: "
"Unknown internal state!\n");
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#endif
return HasReturnvaluesIF::RETURN_OK;
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t GyroHandlerL3GD20H::buildNormalDeviceCommand(DeviceCommandId_t *id) {
*id = L3GD20H::READ_REGS;
return buildCommandFromCommand(*id, nullptr, 0);
}
ReturnValue_t GyroHandlerL3GD20H::buildCommandFromCommand(
DeviceCommandId_t deviceCommand, const uint8_t *commandData,
size_t commandDataLen) {
switch(deviceCommand) {
case(L3GD20H::READ_REGS): {
commandBuffer[0] = L3GD20H::READ_START | L3GD20H::AUTO_INCREMENT_MASK | L3GD20H::READ_MASK;
std::memset(commandBuffer + 1, 0, L3GD20H::READ_LEN);
rawPacket = commandBuffer;
rawPacketLen = L3GD20H::READ_LEN + 1;
break;
}
case(L3GD20H::CONFIGURE_CTRL_REGS): {
commandBuffer[0] = L3GD20H::CTRL_REG_1 | L3GD20H::AUTO_INCREMENT_MASK;
if(commandData == nullptr or commandDataLen != 5) {
return DeviceHandlerIF::INVALID_COMMAND_PARAMETER;
}
ctrlReg1Value = commandData[0];
ctrlReg2Value = commandData[1];
ctrlReg3Value = commandData[2];
ctrlReg4Value = commandData[3];
ctrlReg5Value = commandData[4];
bool fsH = ctrlReg4Value & L3GD20H::SET_FS_1;
bool fsL = ctrlReg4Value & L3GD20H::SET_FS_0;
if(not fsH and not fsL) {
sensitivity = L3GD20H::SENSITIVITY_00;
}
else if(not fsH and fsL) {
sensitivity = L3GD20H::SENSITIVITY_01;
}
else {
sensitivity = L3GD20H::SENSITIVITY_11;
}
commandBuffer[1] = ctrlReg1Value;
commandBuffer[2] = ctrlReg2Value;
commandBuffer[3] = ctrlReg3Value;
commandBuffer[4] = ctrlReg4Value;
commandBuffer[5] = ctrlReg5Value;
rawPacket = commandBuffer;
rawPacketLen = 6;
break;
}
case(L3GD20H::READ_CTRL_REGS): {
commandBuffer[0] = L3GD20H::READ_START | L3GD20H::AUTO_INCREMENT_MASK |
L3GD20H::READ_MASK;
std::memset(commandBuffer + 1, 0, 5);
rawPacket = commandBuffer;
rawPacketLen = 6;
break;
}
default:
return DeviceHandlerIF::COMMAND_NOT_IMPLEMENTED;
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t GyroHandlerL3GD20H::scanForReply(const uint8_t *start, size_t len,
DeviceCommandId_t *foundId, size_t *foundLen) {
// For SPI, the ID will always be the one of the last sent command
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*foundId = this->getPendingCommand();
*foundLen = this->rawPacketLen;
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t GyroHandlerL3GD20H::interpretDeviceReply(DeviceCommandId_t id,
const uint8_t *packet) {
ReturnValue_t result = HasReturnvaluesIF::RETURN_OK;
switch(id) {
case(L3GD20H::CONFIGURE_CTRL_REGS): {
commandExecuted = true;
break;
}
case(L3GD20H::READ_CTRL_REGS): {
if(packet[1] == ctrlReg1Value and packet[2] == ctrlReg2Value and
packet[3] == ctrlReg3Value and packet[4] == ctrlReg4Value and
packet[5] == ctrlReg5Value) {
commandExecuted = true;
}
else {
// Attempt reconfiguration
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internalState = InternalState::CONFIGURE;
return DeviceHandlerIF::DEVICE_REPLY_INVALID;
}
break;
}
case(L3GD20H::READ_REGS): {
if(packet[1] != ctrlReg1Value and packet[2] != ctrlReg2Value and
packet[3] != ctrlReg3Value and packet[4] != ctrlReg4Value and
packet[5] != ctrlReg5Value) {
return DeviceHandlerIF::DEVICE_REPLY_INVALID;
}
else {
if(internalState == InternalState::CHECK_REGS) {
commandExecuted = true;
}
}
statusReg = packet[L3GD20H::STATUS_IDX];
int16_t angVelocXRaw = packet[L3GD20H::OUT_X_H] << 8 | packet[L3GD20H::OUT_X_L];
int16_t angVelocYRaw = packet[L3GD20H::OUT_Y_H] << 8 | packet[L3GD20H::OUT_Y_L];
int16_t angVelocZRaw = packet[L3GD20H::OUT_Z_H] << 8 | packet[L3GD20H::OUT_Z_L];
float angVelocX = angVelocXRaw * sensitivity;
float angVelocY = angVelocYRaw * sensitivity;
float angVelocZ = angVelocZRaw * sensitivity;
int8_t temperaturOffset = (-1) * packet[L3GD20H::TEMPERATURE_IDX];
float temperature = 25.0 + temperaturOffset;
#if FSFW_HAL_L3GD20_GYRO_DEBUG == 1
if(debugDivider->checkAndIncrement()) {
/* Set terminal to utf-8 if there is an issue with micro printout. */
#if FSFW_CPP_OSTREAM_ENABLED == 1
sif::info << "GyroHandlerL3GD20H: Angular velocities (deg/s):" << std::endl;
sif::info << "X: " << angVelocX << std::endl;
sif::info << "Y: " << angVelocY << std::endl;
sif::info << "Z: " << angVelocZ << std::endl;
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#else
sif::printInfo("GyroHandlerL3GD20H: Angular velocities (deg/s):\n");
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sif::printInfo("X: %f\n", angVelocX);
sif::printInfo("Y: %f\n", angVelocY);
sif::printInfo("Z: %f\n", angVelocZ);
#endif
}
#endif
PoolReadGuard readSet(&dataset);
if(readSet.getReadResult() == HasReturnvaluesIF::RETURN_OK) {
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if(std::abs(angVelocX) < this->absLimitX) {
dataset.angVelocX = angVelocX;
dataset.angVelocX.setValid(true);
}
else {
dataset.angVelocX.setValid(false);
}
if(std::abs(angVelocY) < this->absLimitY) {
dataset.angVelocY = angVelocY;
dataset.angVelocY.setValid(true);
}
else {
dataset.angVelocY.setValid(false);
}
if(std::abs(angVelocZ) < this->absLimitZ) {
dataset.angVelocZ = angVelocZ;
dataset.angVelocZ.setValid(true);
}
else {
dataset.angVelocZ.setValid(false);
}
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dataset.temperature = temperature;
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dataset.temperature.setValid(true);
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}
break;
}
default:
return DeviceHandlerIF::COMMAND_NOT_IMPLEMENTED;
}
return result;
}
uint32_t GyroHandlerL3GD20H::getTransitionDelayMs(Mode_t from, Mode_t to) {
return this->transitionDelayMs;
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}
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void GyroHandlerL3GD20H::setToGoToNormalMode(bool enable) {
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this->goNormalModeImmediately = true;
}
ReturnValue_t GyroHandlerL3GD20H::initializeLocalDataPool(
localpool::DataPool &localDataPoolMap, LocalDataPoolManager &poolManager) {
localDataPoolMap.emplace(L3GD20H::ANG_VELOC_X, new PoolEntry<float>({0.0}));
localDataPoolMap.emplace(L3GD20H::ANG_VELOC_Y, new PoolEntry<float>({0.0}));
localDataPoolMap.emplace(L3GD20H::ANG_VELOC_Z, new PoolEntry<float>({0.0}));
localDataPoolMap.emplace(L3GD20H::TEMPERATURE, new PoolEntry<float>({0.0}));
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return HasReturnvaluesIF::RETURN_OK;
}
void GyroHandlerL3GD20H::fillCommandAndReplyMap() {
insertInCommandAndReplyMap(L3GD20H::READ_REGS, 1, &dataset);
insertInCommandAndReplyMap(L3GD20H::CONFIGURE_CTRL_REGS, 1);
insertInCommandAndReplyMap(L3GD20H::READ_CTRL_REGS, 1);
}
void GyroHandlerL3GD20H::modeChanged() {
internalState = InternalState::NONE;
}
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void GyroHandlerL3GD20H::setAbsoluteLimits(float limitX, float limitY, float limitZ) {
this->absLimitX = limitX;
this->absLimitY = limitY;
this->absLimitZ = limitZ;
}