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DEV: a liquid crystal display driver added

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This commit is contained in:
Christos Choutouridis 2021-10-25 15:57:25 +03:00
parent e02f7dad6b
commit 887bbf391e
1 changed files with 4 additions and 2 deletions
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6
include/drv/liquid_crystal.h
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@ -58,6 +58,7 @@ namespace tbx {
* \tparam Impl_t The derived class * \tparam Impl_t The derived class
* \tparam Lines The lines of the LCD * \tparam Lines The lines of the LCD
* \tparam Columns The coluns of the LCD * \tparam Columns The coluns of the LCD
* \tparam BusSize The LCD bus size (4 or 8 bits)
*/ */
template <typename Impl_t, size_t Lines, size_t Columns, size_t BusSize =4> template <typename Impl_t, size_t Lines, size_t Columns, size_t BusSize =4>
class liquid_crystal : public Print<liquid_crystal<Impl_t, Lines, Columns, BusSize>, char>{ class liquid_crystal : public Print<liquid_crystal<Impl_t, Lines, Columns, BusSize>, char>{
@ -66,7 +67,8 @@ namespace tbx {
static_assert((BusSize == 4) || (BusSize == 8), "BusSize must be either 4 or 8."); static_assert((BusSize == 4) || (BusSize == 8), "BusSize must be either 4 or 8.");
public: public:
constexpr static size_t lines = Lines;
constexpr static size_t columns = Columns;
/*! /*!
* Public enumerator to be used as argument to the init() function. * Public enumerator to be used as argument to the init() function.
* Selects the font size and thus the number of active lines * Selects the font size and thus the number of active lines
@ -475,7 +477,7 @@ namespace tbx {
home (); home ();
break; break;
case '\f': case '\f':
set_cursor (1, 1); clear();
break; break;
case '\b': case '\b':
--cursor_; --cursor_;