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fancy tests

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This commit is contained in:
Tristan Krause 2019-04-03 09:34:22 +02:00
parent de7143887d
commit 266d90df56
17 changed files with 594 additions and 349 deletions
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25
firmware/usart.cpp
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@ -22,7 +22,7 @@ void USART::clearInputBuffer() volatile
do
{
dummy = UDR0;
_delay_us((1000000 / BAUDRATE) * 16); // Warte Übertragungszeit von 16 Bit ab
_delay_us(US_PER_BIT * 16); // Warte Übertragungszeit von 16 Bit ab
}
while (UCSR0A & (1<<RXC0));
@ -39,14 +39,21 @@ void USART::initRX(void) volatile
void USART::initTX(void) volatile
{
while(send_active);
send_pos = 0;
send_crc = 0;
}
void USART::handleRX(void) volatile
{
receive_buffer[receive_pos++] = UDR0;
if(receive_pos == 1)
{
// starte WDT, da neue Request angekommen ist
wdt_enable(WDT_TIMEOUT);
wdt_reset();
}
if(receive_pos >= rq_len[receive_buffer[0]]) // last byte of request
{
receive_pos = 0;
@ -84,6 +91,15 @@ void USART::flush(void) volatile
void USART::writeByte(uint8_t b) volatile
{
send_buffer[send_pos++] = b;
// calc crc
send_crc ^= b;
for (uint8_t i = 0; i < 8; i++)
{
if (send_crc & 1)
send_crc ^= CRC7_POLY;
send_crc >>= 1;
}
}
@ -101,6 +117,11 @@ void USART::writeStr(const char* str, uint8_t len) volatile
writeByte(*str++);
}
void USART::writeCRC(void) volatile
{
writeByte(send_crc);
}
uint8_t USART::writeBlock(uint8_t* ptr, uint8_t len) volatile
{
writeByte(len);