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Added basic structure to support interrupt driven operation

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This commit is contained in:
BlackMark
2019-08-02 12:08:16 +02:00
parent a13a1ca9ab
commit 3aeb43ee1e
3 changed files with 152 additions and 7 deletions
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19
hardware.hpp
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@@ -19,7 +19,8 @@ enum class Driven {
namespace detail {
template <class Registers, typename CtrlFlagsA, typename CtrlFlagsB, typename CtrlFlagsC, class cfg, Mode mode>
template <class Registers, typename CtrlFlagsA, typename CtrlFlagsB, typename CtrlFlagsC, class cfg, Mode mode,
Driven driven>
class Hardware {
public:
static void init() FORCE_INLINE
@@ -35,15 +36,16 @@ class Hardware {
constexpr auto modeVal = calcMode();
constexpr auto enableRx = calcRxState<true>();
constexpr auto enableTx = calcTxState<true>();
constexpr auto interruptVal = calcInterrupt();
constexpr uint8_t controlRegB = dataBitsVal.regBVal | enableRx | enableTx;
constexpr uint8_t controlRegB = dataBitsVal.regBVal | enableRx | enableTx | interruptVal;
constexpr uint8_t controlRegC = dataBitsVal.regCVal | parityVal | stopBitsVal | modeVal;
*Registers::CTRL_STAT_REG_B = controlRegB;
*Registers::CTRL_STAT_REG_C = controlRegC;
}
static void txByte(typename cfg::data_t byte) FORCE_INLINE
static void txByteBlocking(typename cfg::data_t byte) FORCE_INLINE
{
while (!(*Registers::CTRL_STAT_REG_A & (1 << CtrlFlagsA::DATA_REG_EMPTY)))
;
@@ -146,6 +148,17 @@ class Hardware {
return enableVal;
}
static constexpr auto calcInterrupt()
{
uint8_t interruptVal = 0;
if (driven == Driven::INTERRUPT)
interruptVal |= (1 << CtrlFlagsB::DATA_REG_EMPTY_INT_ENABLE) | (1 << CtrlFlagsB::RX_INT_ENABLE) |
(1 << CtrlFlagsB::TX_INT_ENABLE);
return interruptVal;
}
};
} // namespace detail