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Merge pull request 'HAL Linux SPI: set transfer size to 0, better name' (#475) from eive/fsfw:mueller/hal-spi-improvement into development

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Reviewed-on: fsfw/fsfw#475
This commit is contained in:
Jakob Meier 2021-09-20 13:56:47 +02:00
commit 01c833f001
4 changed files with 6 additions and 11 deletions
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8
hal/src/fsfw_hal/linux/spi/SpiComIF.cpp
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@ -15,11 +15,6 @@
#include <cerrno> #include <cerrno>
#include <cstring> #include <cstring>
/* Can be used for low-level debugging of the SPI bus */
#ifndef FSFW_HAL_LINUX_SPI_WIRETAPPING
#define FSFW_HAL_LINUX_SPI_WIRETAPPING 0
#endif
SpiComIF::SpiComIF(object_id_t objectId, GpioIF* gpioComIF): SpiComIF::SpiComIF(object_id_t objectId, GpioIF* gpioComIF):
SystemObject(objectId), gpioComIF(gpioComIF) { SystemObject(objectId), gpioComIF(gpioComIF) {
if(gpioComIF == nullptr) { if(gpioComIF == nullptr) {
@ -193,7 +188,7 @@ ReturnValue_t SpiComIF::performRegularSendOperation(SpiCookie *spiCookie, const
spiCookie->getSpiParameters(spiMode, spiSpeed, nullptr); spiCookie->getSpiParameters(spiMode, spiSpeed, nullptr);
setSpiSpeedAndMode(fileDescriptor, spiMode, spiSpeed); setSpiSpeedAndMode(fileDescriptor, spiMode, spiSpeed);
spiCookie->assignWriteBuffer(sendData); spiCookie->assignWriteBuffer(sendData);
spiCookie->assignTransferSize(sendLen); spiCookie->setTransferSize(sendLen);
bool fullDuplex = spiCookie->isFullDuplex(); bool fullDuplex = spiCookie->isFullDuplex();
gpioId_t gpioId = spiCookie->getChipSelectPin(); gpioId_t gpioId = spiCookie->getChipSelectPin();
@ -335,6 +330,7 @@ ReturnValue_t SpiComIF::readReceivedMessage(CookieIF *cookie, uint8_t **buffer,
*buffer = rxBuf; *buffer = rxBuf;
*size = spiCookie->getCurrentTransferSize(); *size = spiCookie->getCurrentTransferSize();
spiCookie->setTransferSize(0);
return HasReturnvaluesIF::RETURN_OK; return HasReturnvaluesIF::RETURN_OK;
} }

1
hal/src/fsfw_hal/linux/spi/SpiComIF.h
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@ -1,6 +1,7 @@
#ifndef LINUX_SPI_SPICOMIF_H_ #ifndef LINUX_SPI_SPICOMIF_H_
#define LINUX_SPI_SPICOMIF_H_ #define LINUX_SPI_SPICOMIF_H_
#include "fsfw/FSFW.h"
#include "spiDefinitions.h" #include "spiDefinitions.h"
#include "returnvalues/classIds.h" #include "returnvalues/classIds.h"
#include "fsfw_hal/common/gpio/GpioIF.h" #include "fsfw_hal/common/gpio/GpioIF.h"

2
hal/src/fsfw_hal/linux/spi/SpiCookie.cpp
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@ -121,7 +121,7 @@ bool SpiCookie::isFullDuplex() const {
return not this->halfDuplex; return not this->halfDuplex;
} }
void SpiCookie::assignTransferSize(size_t transferSize) { void SpiCookie::setTransferSize(size_t transferSize) {
spiTransferStruct.len = transferSize; spiTransferStruct.len = transferSize;
} }

6
hal/src/fsfw_hal/linux/spi/SpiCookie.h
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@ -103,10 +103,10 @@ public:
void assignReadBuffer(uint8_t* rx); void assignReadBuffer(uint8_t* rx);
void assignWriteBuffer(const uint8_t* tx); void assignWriteBuffer(const uint8_t* tx);
/** /**
* Assign size for the next transfer. * Set size for the next transfer. Set to 0 for no transfer
* @param transferSize * @param transferSize
*/ */
void assignTransferSize(size_t transferSize); void setTransferSize(size_t transferSize);
size_t getCurrentTransferSize() const; size_t getCurrentTransferSize() const;
struct UncommonParameters { struct UncommonParameters {
@ -158,8 +158,6 @@ private:
std::string spiDev, const size_t maxSize, spi::SpiModes spiMode, uint32_t spiSpeed, std::string spiDev, const size_t maxSize, spi::SpiModes spiMode, uint32_t spiSpeed,
spi::send_callback_function_t callback, void* args); spi::send_callback_function_t callback, void* args);
size_t currentTransferSize = 0;
address_t spiAddress; address_t spiAddress;
gpioId_t chipSelectPin; gpioId_t chipSelectPin;
std::string spiDevice; std::string spiDevice;