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Added alias for driver dependent data size

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This commit is contained in:
BlackMark 2019-08-03 16:13:52 +02:00
parent 2a07744575
commit 9f7dc0da55
1 changed files with 9 additions and 7 deletions
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16
uart.hpp
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@ -49,6 +49,8 @@ static constexpr size_t maxNumDigits()
template <class Driver> template <class Driver>
class Uart { class Uart {
public: public:
using data_t = typename Driver::data_t;
// Constructing a uart object does not initialize the driver to allow different specializations with the same // Constructing a uart object does not initialize the driver to allow different specializations with the same
// back-end to exists at the same time // back-end to exists at the same time
// Note that init must be called every time when switching specializations with the same back-end // Note that init must be called every time when switching specializations with the same back-end
@ -66,17 +68,17 @@ class Uart {
Driver::init(); Driver::init();
} }
static void txByte(const typename Driver::data_t &byte) static void txByte(const data_t &byte)
{ {
Driver::txByte(byte); Driver::txByte(byte);
} }
static bool rxByte(typename Driver::data_t &byte) static bool rxByte(data_t &byte)
{ {
return Driver::rxByte(byte); return Driver::rxByte(byte);
} }
static bool peek(typename Driver::data_t &byte) static bool peek(data_t &byte)
{ {
return Driver::peek(byte); return Driver::peek(byte);
} }
@ -110,8 +112,8 @@ class Uart {
static_assert(util::is_integral_v<T>, "Only supported on integral types"); static_assert(util::is_integral_v<T>, "Only supported on integral types");
constexpr size_t numDigits = detail::maxNumDigits<T, Base>(); constexpr size_t numDigits = detail::maxNumDigits<T, Base>();
typename Driver::data_t buffer[numDigits]; data_t buffer[numDigits];
typename Driver::data_t *bufEnd = buffer + numDigits - 1; data_t *bufEnd = buffer + numDigits - 1;
T digits = val; T digits = val;
@ -121,12 +123,12 @@ class Uart {
} }
do { do {
typename Driver::data_t lastDigit = digits % Base; data_t lastDigit = digits % Base;
*bufEnd-- = '0' + lastDigit; *bufEnd-- = '0' + lastDigit;
digits /= Base; digits /= Base;
} while (digits > 0); } while (digits > 0);
for (typename Driver::data_t *buf = bufEnd + 1; buf < buffer + numDigits; ++buf) for (data_t *buf = bufEnd + 1; buf < buffer + numDigits; ++buf)
txByte(*buf); txByte(*buf);
} }