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Implemented interrupt driven tx

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This commit is contained in:
BlackMark
2019-08-02 16:41:53 +02:00
parent 496bb3d4d1
commit 51a9d30c0a
3 changed files with 77 additions and 10 deletions
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36
hardware1.hpp
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@@ -102,7 +102,7 @@ class Hardware1 {
HardwareImpl::init();
}
static void txByte(data_t byte) FORCE_INLINE
static void txByte(const data_t &byte) FORCE_INLINE
{
HardwareImpl::txByteBlocking(byte);
}
@@ -131,9 +131,16 @@ class Hardware1<mode, cfg, Driven::INTERRUPT> {
HardwareImpl::init();
}
static void txByte(data_t byte) FORCE_INLINE
static void txByte(const data_t &byte) FORCE_INLINE
{
HardwareImpl::txByteBlocking(byte);
uint8_t tmpHead = (sm_txHead + 1) % TX_BUFFER_SIZE;
while (tmpHead == sm_txTail)
;
sm_txBuffer[tmpHead] = byte;
sm_txHead = tmpHead;
HardwareImpl::enableDataRegEmptyInt();
}
static data_t rxByte() FORCE_INLINE {}
@@ -144,14 +151,25 @@ class Hardware1<mode, cfg, Driven::INTERRUPT> {
using HardwareImpl = detail::Hardware<detail::Registers1, detail::ControlFlagsA1, detail::ControlFlagsB1,
detail::ControlFlagsC1, cfg, mode, Driven::INTERRUPT>;
static constexpr auto TX_BUFFER_SIZE = 16;
static volatile uint8_t sm_txHead;
static volatile uint8_t sm_txTail;
static volatile data_t sm_txBuffer[TX_BUFFER_SIZE];
static void rxIntHandler()
{
// TODO
}
static void dataRegEmptyIntHandler()
static void dataRegEmptyIntHandler() FORCE_INLINE
{
// TODO
if (sm_txHead != sm_txTail) {
uint8_t tmpTail = (sm_txTail + 1) % TX_BUFFER_SIZE;
sm_txTail = tmpTail;
HardwareImpl::txByteInterrupt(sm_txBuffer[tmpTail]);
} else
HardwareImpl::disableDataRegEmptyInt();
}
static void txIntHandler()
@@ -160,6 +178,14 @@ class Hardware1<mode, cfg, Driven::INTERRUPT> {
}
};
template <Mode mode, class cfg>
volatile uint8_t Hardware1<mode, cfg, Driven::INTERRUPT>::sm_txHead = 0;
template <Mode mode, class cfg>
volatile uint8_t Hardware1<mode, cfg, Driven::INTERRUPT>::sm_txTail = 0;
template <Mode mode, class cfg>
volatile typename Hardware1<mode, cfg, Driven::INTERRUPT>::data_t
Hardware1<mode, cfg, Driven::INTERRUPT>::sm_txBuffer[TX_BUFFER_SIZE];
#endif
} // namespace uart