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Working TX SLE

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tested with gcc4.9.3 Ubuntu 16.10 (did not work before change, every second TX was lost)
tested also with gcc arm embedded q4 2016 on Ubuntu 16.10 (here original code worked as well)
No test with Arduino & other architectures yet
This commit is contained in:
danilo 2017-03-28 07:29:02 +02:00
parent bfe1587886
commit 3a4451684f
5 changed files with 79 additions and 10 deletions
Download patch file Download diff file Expand all files Collapse all files

31
IO.cpp
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@ -29,6 +29,9 @@ uint32_t m_frequency_rx;
uint32_t m_frequency_tx;
uint8_t m_power;
extern volatile bool sle_request;
static volatile bool sle_pin = 0;
CIO::CIO():
m_started(false),
m_rxBuffer(RX_RINGBUFFER_SIZE),
@ -152,7 +155,25 @@ void CIO::interrupt()
if (!m_started)
return;
if(m_tx) {
if (sle_request == true && m_tx)
{
if(CLK_pin() == 0)
{
sle_pin = 1;
SLE_pin(HIGH);
}
else if (sle_pin == 1)
{
SLE_pin(LOW);
SDATA_pin(LOW);
sle_request = false;
sle_pin = 0;
}
}
// we set the TX bit at TXD low, sampling of ADF7021 happens at rising clock
if (CLK_pin() == 0 && m_tx ) {
m_txBuffer.get(bit);
#if defined(BIDIR_DATA_PIN)
@ -166,8 +187,9 @@ void CIO::interrupt()
else
TXD_pin(LOW);
#endif
} else {
}
// we sample the RX bit at rising TXD clock edge, so TXD must be 1 and we are not in tx mode
else if (CLK_pin() == 1 && !m_tx) {
if(RXD_pin())
bit = 1;
else
@ -176,6 +198,7 @@ void CIO::interrupt()
m_rxBuffer.put(bit);
}
m_watchdog++;
m_modeTimerCnt++;
@ -241,6 +264,8 @@ void CIO::write(uint8_t* data, uint16_t length)
if (!m_tx) {
setTX();
m_tx = true;
sle_pin = 0;
while (sle_request) { asm("nop"); }
}
}