eive-obsw/linux/boardtest/SpiTestClass.cpp

190 lines
6.0 KiB
C++

#include "SpiTestClass.h"
#include <fsfwconfig/devices/gpioIds.h>
#include <fsfw/serviceinterface/ServiceInterface.h>
#include <linux/spi/spidev.h>
#include <fcntl.h>
#include <fsfw/timemanager/Stopwatch.h>
#include <linux/gpio/gpioDefinitions.h>
#include <linux/gpio/GpioCookie.h>
#include <linux/utility/Utility.h>
#include <unistd.h>
#include <sys/ioctl.h>
#include <bitset>
SpiTestClass::SpiTestClass(object_id_t objectId, GpioIF* gpioIF): TestTask(objectId),
gpioIF(gpioIF) {
if(gpioIF == nullptr) {
sif::error << "SpiTestClass::SpiTestClass: Invalid GPIO ComIF!" << std::endl;
}
testMode = TestModes::NONE;
spiTransferStruct.rx_buf = reinterpret_cast<__u64>(recvBuffer.data());
spiTransferStruct.tx_buf = reinterpret_cast<__u64>(sendBuffer.data());
}
ReturnValue_t SpiTestClass::performOneShotAction() {
switch(testMode) {
case(TestModes::NONE): {
break;
}
case(TestModes::MGM_LIS3MDL): {
break;
}
case(TestModes::MGM_RM3100): {
performRm3100Test(mgm1Rm3100ChipSelect);
break;
}
case(TestModes::GYRO_L3GD20H): {
break;
}
}
return HasReturnvaluesIF::RETURN_OK;
}
ReturnValue_t SpiTestClass::performPeriodicAction() {
return HasReturnvaluesIF::RETURN_OK;
}
void SpiTestClass::performRm3100Test(uint8_t mgmId) {
/* Configure all SPI chip selects and pull them high */
acsInit();
/* Adapt accordingly */
if(mgmId != mgm1Rm3100ChipSelect and mgmId != mgm3Rm3100ChipSelect) {
sif::warning << "SpiTestClass::performRm3100Test: Invalid MGM ID!" << std::endl;
}
gpioId_t currentGpioId = 0;
uint8_t chipSelectPin = mgmId;
if(chipSelectPin == mgm1Rm3100ChipSelect) {
currentGpioId = gpioIds::MGM_1_RM3100_CS;
}
else {
currentGpioId = gpioIds::MGM_3_RM3100_CS;
}
uint32_t rm3100speed = 3'900'000;
uint8_t rm3100revidReg = 0x36;
spi::SpiMode rm3100mode = spi::SpiMode::MODE_3;
//spiTransferStruct.speed_hz = rm3100Speed;
#ifdef RASPBERRY_PI
std::string deviceName = "/dev/spidev0.0";
#else
std::string deviceName = "placeholder";
#endif
int fileDescriptor = 0;
utility::UnixFileHelper fileHelper(deviceName, &fileDescriptor, O_RDWR,
"SpiComIF::initializeInterface: ");
if(fileHelper.getOpenResult()) {
sif::error << "SpiTestClass::performRm3100Test: File descriptor could not be opened!"
<< std::endl;
return;
}
setSpiSpeedAndMode(fileDescriptor, rm3100mode, rm3100speed);
uint8_t revId = readStmRegister(fileDescriptor, currentGpioId, rm3100revidReg, false);
sif::info << "SpiTestClass::performRm3100Test: Revision ID 0b" << std::bitset<8>(revId) <<
std::endl;
}
void SpiTestClass::acsInit() {
GpioCookie* gpioCookie = new GpioCookie();
std::string rpiGpioName = "gpiochip0";
{
GpiodRegular gpio(rpiGpioName.c_str(), mgm0Lis3ChipSelect, "MGM_0_LIS3",
gpio::Direction::OUT, 1);
gpioCookie->addGpio(gpioIds::MGM_0_LIS3_CS, gpio);
}
{
GpiodRegular gpio(rpiGpioName.c_str(), mgm1Rm3100ChipSelect, "MGM_1_RM3100",
gpio::Direction::OUT, 1);
gpioCookie->addGpio(gpioIds::MGM_1_RM3100_CS, gpio);
}
{
GpiodRegular gpio(rpiGpioName.c_str(), gyro0AdisChipSelect, "GYRO_0_ADIS",
gpio::Direction::OUT, 1);
gpioCookie->addGpio(gpioIds::GYRO_0_ADIS_CS, gpio);
}
{
GpiodRegular gpio(rpiGpioName.c_str(), gyro1L3gd20ChipSelect, "GYRO_1_L3G",
gpio::Direction::OUT, 1);
gpioCookie->addGpio(gpioIds::GYRO_1_L3G_CS, gpio);
}
{
GpiodRegular gpio(rpiGpioName.c_str(), gyro2L3gd20ChipSelect, "GYRO_2_L3G",
gpio::Direction::OUT, 1);
gpioCookie->addGpio(gpioIds::GYRO_2_L3G_CS, gpio);
}
{
GpiodRegular gpio(rpiGpioName.c_str(), mgm2Lis3mdlChipSelect, "MGM_2_LIS3",
gpio::Direction::OUT, 1);
gpioCookie->addGpio(gpioIds::MGM_2_LIS3_CS, gpio);
}
{
GpiodRegular gpio(rpiGpioName.c_str(), mgm3Rm3100ChipSelect, "MGM_3_RM3100",
gpio::Direction::OUT, 1);
gpioCookie->addGpio(gpioIds::MGM_3_RM3100_CS, gpio);
}
if(gpioIF != nullptr) {
gpioIF->addGpios(gpioCookie);
}
}
void SpiTestClass::writeStmRegister(int fd, gpioId_t chipSelect, uint8_t reg, uint8_t value,
bool autoIncrement) {
if(autoIncrement) {
reg |= STM_AUTO_INCR_MASK;
}
spiTransferStruct.len = 2;
sendBuffer[0] = reg;
sendBuffer[1] = value;
if(gpioIF != nullptr and chipSelect != gpio::NO_GPIO) {
gpioIF->pullLow(chipSelect);
}
int retval = ioctl(fd, SPI_IOC_MESSAGE(1), &spiTransferStruct);
if(retval != 0) {
utility::handleIoctlError("SpiTestClass::writeStmRegister: Write failed");
}
if(gpioIF != nullptr and chipSelect != gpio::NO_GPIO) {
gpioIF->pullHigh(chipSelect);
}
}
void SpiTestClass::setSpiSpeedAndMode(int spiFd, spi::SpiMode mode, uint32_t speed) {
int retval = ioctl(spiFd, SPI_IOC_WR_MODE, reinterpret_cast<uint8_t*>(&mode));
if(retval != 0) {
utility::handleIoctlError("SpiTestClass::performRm3100Test: Setting SPI mode failed!");
}
retval = ioctl(spiFd, SPI_IOC_WR_MAX_SPEED_HZ, &speed);
if(retval != 0) {
utility::handleIoctlError("SpiTestClass::performRm3100Test: Setting SPI speed failed!");
}
}
uint8_t SpiTestClass::readStmRegister(int fd, gpioId_t chipSelect, uint8_t reg,
bool autoIncrement) {
reg |= STM_READ_MASK;
if(autoIncrement) {
reg |= STM_AUTO_INCR_MASK;
}
spiTransferStruct.len = 2;
sendBuffer[0] = reg;
sendBuffer[1] = 0;
if(gpioIF != nullptr and chipSelect != gpio::NO_GPIO) {
gpioIF->pullLow(chipSelect);
}
int retval = ioctl(fd, SPI_IOC_MESSAGE(1), &spiTransferStruct);
if(retval < 0) {
utility::handleIoctlError("SpiTestClass::readStmRegiste: Read failed");
}
if(gpioIF != nullptr and chipSelect != gpio::NO_GPIO) {
gpioIF->pullHigh(chipSelect);
}
return recvBuffer[1];
}