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removed usart backup file

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This commit is contained in:
Tristan Krause 2019-06-07 14:18:20 +02:00
parent b1fe7bf22d
commit 39e54cb0fb
1 changed files with 0 additions and 52 deletions
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52
control/src/drv/backup.cpp
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@ -1,52 +0,0 @@
void USART::writeByte(uint8_t b)
{
int sent = write(file_desc, &b, 1);
if (sent != 1)
{
std::cout << "WARNUNG: Fehler beim Senden (" << sent << "): writeByte(), wiederhole..." << std::endl;
usleep(100000);
sent = write(file_desc, &b, 1);
if (sent != 1)
throw USARTException("Fehler beim Senden: writeByte()");
}
}
void USART::writeInt(uint16_t d)
{
int sent = write(file_desc, reinterpret_cast<char *>(&d), 2);
if (sent != 2)
throw USARTException("Fehler beim Senden: writeInt()");
}
void USART::writeU32(uint32_t w)
{
int sent = write(file_desc, reinterpret_cast<char *>(&w), 4);
if (sent != 4)
throw USARTException("Fehler beim Senden: writeU32()");
}
uint8_t USART::readByte(void)
{
char b;
auto start = std::chrono::steady_clock::now();
auto end = start;
uint16_t elapsed = 0;
while (elapsed < timeout * 100)
{
int code = read(file_desc, &b, 1);
if (code > 0)
return static_cast<uint8_t>(b);
end = std::chrono::steady_clock::now();
elapsed = std::chrono::duration_cast<std::chrono::milliseconds>(end - start).count();
}
throw TimeoutException("Verbindung unterbrochen.", timeout);
}
uint16_t USART::readInt(void)
{
return readByte() | readByte() << 8;
}