99 lines
2.8 KiB
C++
99 lines
2.8 KiB
C++
#include <linux/obc/PapbVcInterface.h>
|
|
|
|
#include "fsfw/serviceinterface/ServiceInterface.h"
|
|
|
|
PapbVcInterface::PapbVcInterface(object_id_t objectId, LinuxLibgpioIF* gpioComIF,
|
|
gpioId_t papbBusyId, gpioId_t papbEmptyId, uint32_t vcOffset)
|
|
: SystemObject(objectId),
|
|
gpioComIF(gpioComIF),
|
|
papbBusyId(papbBusyId),
|
|
papbEmptyId(papbEmptyId),
|
|
vcOffset(vcOffset) {}
|
|
|
|
PapbVcInterface::~PapbVcInterface() {}
|
|
|
|
void PapbVcInterface::setRegisterAddress(uint32_t* ptmeBaseAddress) {
|
|
vcBaseReg = ptmeBaseAddress + vcOffset;
|
|
}
|
|
|
|
ReturnValue_t PapbVcInterface::write(const uint8_t* data, size_t size) {
|
|
if (pollPapbBusySignal() == RETURN_OK) {
|
|
startPacketTransfer();
|
|
}
|
|
|
|
for (size_t idx = 0; idx < size; idx++) {
|
|
if (pollPapbBusySignal() == RETURN_OK) {
|
|
*(vcBaseReg + DATA_REG_OFFSET) = static_cast<uint32_t>(*(data + idx));
|
|
} else {
|
|
sif::warning << "PapbVcInterface::write: Only written " << idx << " of " << size << " data"
|
|
<< std::endl;
|
|
return RETURN_FAILED;
|
|
}
|
|
}
|
|
|
|
if (pollPapbBusySignal() == RETURN_OK) {
|
|
endPacketTransfer();
|
|
}
|
|
return RETURN_OK;
|
|
}
|
|
|
|
void PapbVcInterface::startPacketTransfer() { *vcBaseReg = CONFIG_START; }
|
|
|
|
void PapbVcInterface::endPacketTransfer() { *vcBaseReg = CONFIG_END; }
|
|
|
|
ReturnValue_t PapbVcInterface::pollPapbBusySignal() {
|
|
int papbBusyState = 0;
|
|
ReturnValue_t result = RETURN_OK;
|
|
|
|
/** Check if PAPB interface is ready to receive data */
|
|
result = gpioComIF->readGpio(papbBusyId, &papbBusyState);
|
|
if (result != RETURN_OK) {
|
|
sif::warning << "PapbVcInterface::pollPapbBusySignal: Failed to read papb busy signal"
|
|
<< std::endl;
|
|
return RETURN_FAILED;
|
|
}
|
|
if (!papbBusyState) {
|
|
sif::warning << "PapbVcInterface::pollPapbBusySignal: PAPB busy" << std::endl;
|
|
return PAPB_BUSY;
|
|
}
|
|
|
|
return RETURN_OK;
|
|
}
|
|
|
|
void PapbVcInterface::isVcInterfaceBufferEmpty() {
|
|
ReturnValue_t result = RETURN_OK;
|
|
int papbEmptyState = 1;
|
|
|
|
result = gpioComIF->readGpio(papbEmptyId, &papbEmptyState);
|
|
|
|
if (result != RETURN_OK) {
|
|
sif::warning << "PapbVcInterface::isVcInterfaceBufferEmpty: Failed to read papb empty signal"
|
|
<< std::endl;
|
|
return;
|
|
}
|
|
|
|
if (papbEmptyState == 1) {
|
|
sif::debug << "PapbVcInterface::isVcInterfaceBufferEmpty: Buffer is empty" << std::endl;
|
|
} else {
|
|
sif::debug << "PapbVcInterface::isVcInterfaceBufferEmpty: Buffer is not empty" << std::endl;
|
|
}
|
|
return;
|
|
}
|
|
|
|
ReturnValue_t PapbVcInterface::sendTestFrame() {
|
|
/** Size of one complete transfer frame data field amounts to 1105 bytes */
|
|
uint8_t testPacket[1105];
|
|
|
|
/** Fill one test packet */
|
|
for (int idx = 0; idx < 1105; idx++) {
|
|
testPacket[idx] = static_cast<uint8_t>(idx & 0xFF);
|
|
}
|
|
|
|
ReturnValue_t result = write(testPacket, 1105);
|
|
if (result != RETURN_OK) {
|
|
return result;
|
|
}
|
|
|
|
return RETURN_OK;
|
|
}
|