1117 lines
28 KiB
C
1117 lines
28 KiB
C
// Module for U8glib
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#include "lauxlib.h"
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#include "platform.h"
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#include "lrodefs.h"
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#include "c_stdlib.h"
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#include "u8g.h"
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#include "u8g_config.h"
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struct _lu8g_userdata_t
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{
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u8g_t u8g;
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};
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typedef struct _lu8g_userdata_t lu8g_userdata_t;
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// shorthand macro for the u8g structure inside the userdata
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#define LU8G (&(lud->u8g))
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// helper function: retrieve and check userdata argument
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static lu8g_userdata_t *get_lud( lua_State *L )
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{
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lu8g_userdata_t *lud = (lu8g_userdata_t *)luaL_checkudata(L, 1, "u8g.display");
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luaL_argcheck(L, lud, 1, "u8g.display expected");
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return lud;
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}
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// helper function: retrieve given number of integer arguments
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static void lu8g_get_int_args( lua_State *L, uint8_t stack, uint8_t num, u8g_uint_t *args)
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{
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while (num-- > 0)
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{
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*args++ = luaL_checkinteger( L, stack++ );
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}
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}
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// Lua: u8g.begin( self )
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static int lu8g_begin( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_Begin( LU8G );
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return 0;
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}
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// Lua: u8g.setFont( self, font )
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static int lu8g_setFont( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_fntpgm_uint8_t *font = (u8g_fntpgm_uint8_t *)lua_touserdata( L, 2 );
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if (font != NULL)
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u8g_SetFont( LU8G, font );
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else
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luaL_argerror(L, 2, "font data expected");
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return 0;
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}
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// Lua: u8g.setFontRefHeightAll( self )
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static int lu8g_setFontRefHeightAll( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetFontRefHeightAll( LU8G );
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return 0;
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}
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// Lua: u8g.setFontRefHeightExtendedText( self )
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static int lu8g_setFontRefHeightExtendedText( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetFontRefHeightExtendedText( LU8G );
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return 0;
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}
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// Lua: u8g.setFontRefHeightText( self )
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static int lu8g_setFontRefHeightText( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetFontRefHeightText( LU8G );
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return 0;
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}
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// Lua: u8g.setDefaultBackgroundColor( self )
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static int lu8g_setDefaultBackgroundColor( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetDefaultBackgroundColor( LU8G );
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return 0;
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}
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// Lua: u8g.setDefaultForegroundColor( self )
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static int lu8g_setDefaultForegroundColor( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetDefaultForegroundColor( LU8G );
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return 0;
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}
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// Lua: u8g.setFontPosBaseline( self )
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static int lu8g_setFontPosBaseline( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetFontPosBaseline( LU8G );
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return 0;
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}
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// Lua: u8g.setFontPosBottom( self )
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static int lu8g_setFontPosBottom( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetFontPosBottom( LU8G );
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return 0;
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}
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// Lua: u8g.setFontPosCenter( self )
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static int lu8g_setFontPosCenter( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetFontPosCenter( LU8G );
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return 0;
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}
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// Lua: u8g.setFontPosTop( self )
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static int lu8g_setFontPosTop( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetFontPosTop( LU8G );
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return 0;
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}
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// Lua: int = u8g.getFontAscent( self )
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static int lu8g_getFontAscent( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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lua_pushinteger( L, u8g_GetFontAscent( LU8G ) );
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return 1;
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}
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// Lua: int = u8g.getFontDescent( self )
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static int lu8g_getFontDescent( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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lua_pushinteger( L, u8g_GetFontDescent( LU8G ) );
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return 1;
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}
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// Lua: int = u8g.getFontLineSpacing( self )
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static int lu8g_getFontLineSpacing( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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lua_pushinteger( L, u8g_GetFontLineSpacing( LU8G ) );
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return 1;
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}
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// Lua: int = u8g.getMode( self )
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static int lu8g_getMode( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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lua_pushinteger( L, u8g_GetMode( LU8G ) );
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return 1;
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}
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// Lua: u8g.setColorIndex( self, color )
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static int lu8g_setColorIndex( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_SetColorIndex( LU8G, luaL_checkinteger( L, 2 ) );
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return 0;
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}
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// Lua: int = u8g.getColorIndex( self )
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static int lu8g_getColorIndex( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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lua_pushinteger( L, u8g_GetColorIndex( LU8G ) );
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return 1;
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}
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static int lu8g_generic_drawStr( lua_State *L, uint8_t rot )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[2];
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lu8g_get_int_args( L, 2, 2, args );
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const char *s = luaL_checkstring( L, (1+2) + 1 );
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if (s == NULL)
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return 0;
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switch (rot)
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{
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case 1:
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lua_pushinteger( L, u8g_DrawStr90( LU8G, args[0], args[1], s ) );
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break;
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case 2:
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lua_pushinteger( L, u8g_DrawStr180( LU8G, args[0], args[1], s ) );
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break;
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case 3:
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lua_pushinteger( L, u8g_DrawStr270( LU8G, args[0], args[1], s ) );
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break;
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default:
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lua_pushinteger( L, u8g_DrawStr( LU8G, args[0], args[1], s ) );
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break;
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}
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return 1;
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}
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// Lua: pix_len = u8g.drawStr( self, x, y, string )
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static int lu8g_drawStr( lua_State *L )
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{
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return lu8g_generic_drawStr( L, 0 );
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}
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// Lua: pix_len = u8g.drawStr90( self, x, y, string )
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static int lu8g_drawStr90( lua_State *L )
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{
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return lu8g_generic_drawStr( L, 1 );
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}
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// Lua: pix_len = u8g.drawStr180( self, x, y, string )
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static int lu8g_drawStr180( lua_State *L )
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{
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return lu8g_generic_drawStr( L, 2 );
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}
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// Lua: pix_len = u8g.drawStr270( self, x, y, string )
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static int lu8g_drawStr270( lua_State *L )
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{
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return lu8g_generic_drawStr( L, 3 );
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}
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// Lua: u8g.drawLine( self, x1, y1, x2, y2 )
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static int lu8g_drawLine( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[4];
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lu8g_get_int_args( L, 2, 4, args );
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u8g_DrawLine( LU8G, args[0], args[1], args[2], args[3] );
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return 0;
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}
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// Lua: u8g.drawTriangle( self, x0, y0, x1, y1, x2, y2 )
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static int lu8g_drawTriangle( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[6];
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lu8g_get_int_args( L, 2, 6, args );
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u8g_DrawTriangle( LU8G, args[0], args[1], args[2], args[3], args[4], args[5] );
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return 0;
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}
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// Lua: u8g.drawBox( self, x, y, width, height )
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static int lu8g_drawBox( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[4];
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lu8g_get_int_args( L, 2, 4, args );
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u8g_DrawBox( LU8G, args[0], args[1], args[2], args[3] );
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return 0;
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}
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// Lua: u8g.drawRBox( self, x, y, width, height, radius )
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static int lu8g_drawRBox( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[5];
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lu8g_get_int_args( L, 2, 5, args );
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u8g_DrawRBox( LU8G, args[0], args[1], args[2], args[3], args[4] );
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return 0;
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}
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// Lua: u8g.drawFrame( self, x, y, width, height )
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static int lu8g_drawFrame( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[4];
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lu8g_get_int_args( L, 2, 4, args );
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u8g_DrawFrame( LU8G, args[0], args[1], args[2], args[3] );
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return 0;
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}
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// Lua: u8g.drawRFrame( self, x, y, width, height, radius )
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static int lu8g_drawRFrame( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[5];
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lu8g_get_int_args( L, 2, 5, args );
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u8g_DrawRFrame( LU8G, args[0], args[1], args[2], args[3], args[4] );
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return 0;
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}
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// Lua: u8g.drawDisc( self, x0, y0, rad, opt = U8G_DRAW_ALL )
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static int lu8g_drawDisc( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[3];
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lu8g_get_int_args( L, 2, 3, args );
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u8g_uint_t opt = luaL_optinteger( L, (1+3) + 1, U8G_DRAW_ALL );
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u8g_DrawDisc( LU8G, args[0], args[1], args[2], opt );
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return 0;
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}
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// Lua: u8g.drawCircle( self, x0, y0, rad, opt = U8G_DRAW_ALL )
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static int lu8g_drawCircle( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[3];
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lu8g_get_int_args( L, 2, 3, args );
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u8g_uint_t opt = luaL_optinteger( L, (1+3) + 1, U8G_DRAW_ALL );
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u8g_DrawCircle( LU8G, args[0], args[1], args[2], opt );
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return 0;
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}
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// Lua: u8g.drawEllipse( self, x0, y0, rx, ry, opt = U8G_DRAW_ALL )
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static int lu8g_drawEllipse( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[4];
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lu8g_get_int_args( L, 2, 4, args );
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u8g_uint_t opt = luaL_optinteger( L, (1+4) + 1, U8G_DRAW_ALL );
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u8g_DrawEllipse( LU8G, args[0], args[1], args[2], args[3], opt );
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return 0;
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}
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// Lua: u8g.drawFilledEllipse( self, x0, y0, rx, ry, opt = U8G_DRAW_ALL )
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static int lu8g_drawFilledEllipse( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[4];
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lu8g_get_int_args( L, 2, 4, args );
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u8g_uint_t opt = luaL_optinteger( L, (1+4) + 1, U8G_DRAW_ALL );
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u8g_DrawFilledEllipse( LU8G, args[0], args[1], args[2], args[3], opt );
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return 0;
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}
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// Lua: u8g.drawPixel( self, x, y )
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static int lu8g_drawPixel( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[2];
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lu8g_get_int_args( L, 2, 2, args );
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u8g_DrawPixel( LU8G, args[0], args[1] );
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return 0;
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}
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// Lua: u8g.drawHLine( self, x, y, width )
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static int lu8g_drawHLine( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[3];
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lu8g_get_int_args( L, 2, 3, args );
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u8g_DrawHLine( LU8G, args[0], args[1], args[2] );
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return 0;
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}
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// Lua: u8g.drawVLine( self, x, y, width )
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static int lu8g_drawVLine( lua_State *L )
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{
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lu8g_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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u8g_uint_t args[3];
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lu8g_get_int_args( L, 2, 3, args );
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u8g_DrawVLine( LU8G, args[0], args[1], args[2] );
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return 0;
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}
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|
|
// Lua: u8g.drawXBM( self, x, y, width, height, data )
|
|
static int lu8g_drawXBM( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_uint_t args[4];
|
|
lu8g_get_int_args( L, 2, 4, args );
|
|
|
|
const char *xbm_data = luaL_checkstring( L, (1+4) + 1 );
|
|
if (xbm_data == NULL)
|
|
return 0;
|
|
|
|
u8g_DrawXBM( LU8G, args[0], args[1], args[2], args[3], (const uint8_t *)xbm_data );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: u8g.drawBitmap( self, x, y, count, height, data )
|
|
static int lu8g_drawBitmap( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_uint_t args[4];
|
|
lu8g_get_int_args( L, 2, 4, args );
|
|
|
|
const char *bm_data = luaL_checkstring( L, (1+4) + 1 );
|
|
if (bm_data == NULL)
|
|
return 0;
|
|
|
|
u8g_DrawBitmap( LU8G, args[0], args[1], args[2], args[3], (const uint8_t *)bm_data );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: u8g.setScale2x2( self )
|
|
static int lu8g_setScale2x2( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_SetScale2x2( LU8G );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: u8g.undoScale( self )
|
|
static int lu8g_undoScale( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_UndoScale( LU8G );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: u8g.firstPage( self )
|
|
static int lu8g_firstPage( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_FirstPage( LU8G );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: bool = u8g.nextPage( self )
|
|
static int lu8g_nextPage( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
lua_pushboolean( L, u8g_NextPage( LU8G ) );
|
|
|
|
return 1;
|
|
}
|
|
|
|
// Lua: u8g.sleepOn( self )
|
|
static int lu8g_sleepOn( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_SleepOn( LU8G );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: u8g.sleepOff( self )
|
|
static int lu8g_sleepOff( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_SleepOff( LU8G );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: u8g.setRot90( self )
|
|
static int lu8g_setRot90( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_SetRot90( LU8G );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: u8g.setRot180( self )
|
|
static int lu8g_setRot180( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_SetRot180( LU8G );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: u8g.setRot270( self )
|
|
static int lu8g_setRot270( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_SetRot270( LU8G );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: u8g.undoRotation( self )
|
|
static int lu8g_undoRotation( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_UndoRotation( LU8G );
|
|
|
|
return 0;
|
|
}
|
|
|
|
// Lua: width = u8g.getWidth( self )
|
|
static int lu8g_getWidth( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
lua_pushinteger( L, u8g_GetWidth( LU8G ) );
|
|
|
|
return 1;
|
|
}
|
|
|
|
// Lua: height = u8g.getHeight( self )
|
|
static int lu8g_getHeight( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
lua_pushinteger( L, u8g_GetHeight( LU8G ) );
|
|
|
|
return 1;
|
|
}
|
|
|
|
// Lua: width = u8g.getStrWidth( self, string )
|
|
static int lu8g_getStrWidth( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
const char *s = luaL_checkstring( L, 2 );
|
|
if (s == NULL)
|
|
return 0;
|
|
|
|
lua_pushinteger( L, u8g_GetStrWidth( LU8G, s ) );
|
|
|
|
return 1;
|
|
}
|
|
|
|
// Lua: u8g.setFontLineSpacingFactor( self, factor )
|
|
static int lu8g_setFontLineSpacingFactor( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
u8g_uint_t factor = luaL_checkinteger( L, 2 );
|
|
|
|
u8g_SetFontLineSpacingFactor( LU8G, factor );
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// ------------------------------------------------------------
|
|
// comm functions
|
|
//
|
|
#define I2C_CMD_MODE 0x000
|
|
#define I2C_DATA_MODE 0x040
|
|
|
|
#define ESP_I2C_ID 0
|
|
|
|
|
|
static uint8_t do_i2c_start(uint8_t id, uint8_t sla)
|
|
{
|
|
platform_i2c_send_start( id );
|
|
|
|
// ignore return value -> tolerate missing ACK
|
|
platform_i2c_send_address( id, sla, PLATFORM_I2C_DIRECTION_TRANSMITTER );
|
|
|
|
return 1;
|
|
}
|
|
|
|
static uint8_t u8g_com_esp8266_ssd_start_sequence(u8g_t *u8g)
|
|
{
|
|
/* are we requested to set the a0 state? */
|
|
if ( u8g->pin_list[U8G_PI_SET_A0] == 0 )
|
|
return 1;
|
|
|
|
/* setup bus, might be a repeated start */
|
|
if ( do_i2c_start( ESP_I2C_ID, u8g->i2c_addr ) == 0 )
|
|
return 0;
|
|
if ( u8g->pin_list[U8G_PI_A0_STATE] == 0 )
|
|
{
|
|
// ignore return value -> tolerate missing ACK
|
|
if ( platform_i2c_send_byte( ESP_I2C_ID, I2C_CMD_MODE ) == 0 )
|
|
; //return 0;
|
|
}
|
|
else
|
|
{
|
|
platform_i2c_send_byte( ESP_I2C_ID, I2C_DATA_MODE );
|
|
}
|
|
|
|
u8g->pin_list[U8G_PI_SET_A0] = 0;
|
|
return 1;
|
|
}
|
|
|
|
|
|
static void lu8g_digital_write( u8g_t *u8g, uint8_t pin_index, uint8_t value )
|
|
{
|
|
uint8_t pin;
|
|
|
|
pin = u8g->pin_list[pin_index];
|
|
if ( pin != U8G_PIN_NONE )
|
|
platform_gpio_write( pin, value );
|
|
}
|
|
|
|
uint8_t u8g_com_esp8266_hw_spi_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
|
|
{
|
|
switch(msg)
|
|
{
|
|
case U8G_COM_MSG_STOP:
|
|
break;
|
|
|
|
case U8G_COM_MSG_INIT:
|
|
// we assume that the SPI interface was already initialized
|
|
// just care for the /CS and D/C pins
|
|
lu8g_digital_write( u8g, U8G_PI_CS, PLATFORM_GPIO_HIGH );
|
|
platform_gpio_mode( u8g->pin_list[U8G_PI_CS], PLATFORM_GPIO_OUTPUT, PLATFORM_GPIO_FLOAT );
|
|
platform_gpio_mode( u8g->pin_list[U8G_PI_A0], PLATFORM_GPIO_OUTPUT, PLATFORM_GPIO_FLOAT );
|
|
break;
|
|
|
|
case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
|
|
lu8g_digital_write( u8g, U8G_PI_A0, arg_val == 0 ? PLATFORM_GPIO_LOW : PLATFORM_GPIO_HIGH );
|
|
break;
|
|
|
|
case U8G_COM_MSG_CHIP_SELECT:
|
|
if (arg_val == 0)
|
|
{
|
|
/* disable */
|
|
lu8g_digital_write( u8g, U8G_PI_CS, PLATFORM_GPIO_HIGH );
|
|
}
|
|
else
|
|
{
|
|
/* enable */
|
|
//u8g_com_arduino_digital_write(u8g, U8G_PI_SCK, LOW);
|
|
lu8g_digital_write( u8g, U8G_PI_CS, PLATFORM_GPIO_LOW );
|
|
}
|
|
break;
|
|
|
|
case U8G_COM_MSG_RESET:
|
|
if ( u8g->pin_list[U8G_PI_RESET] != U8G_PIN_NONE )
|
|
lu8g_digital_write( u8g, U8G_PI_RESET, arg_val == 0 ? PLATFORM_GPIO_LOW : PLATFORM_GPIO_HIGH );
|
|
break;
|
|
|
|
case U8G_COM_MSG_WRITE_BYTE:
|
|
platform_spi_send( 1, 8, arg_val );
|
|
break;
|
|
|
|
case U8G_COM_MSG_WRITE_SEQ:
|
|
case U8G_COM_MSG_WRITE_SEQ_P:
|
|
{
|
|
register uint8_t *ptr = arg_ptr;
|
|
while( arg_val > 0 )
|
|
{
|
|
platform_spi_send( 1, 8, *ptr++ );
|
|
arg_val--;
|
|
}
|
|
}
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
uint8_t u8g_com_esp8266_ssd_i2c_fn(u8g_t *u8g, uint8_t msg, uint8_t arg_val, void *arg_ptr)
|
|
{
|
|
switch(msg)
|
|
{
|
|
case U8G_COM_MSG_INIT:
|
|
// we assume that the i2c bus was already initialized
|
|
//u8g_i2c_init(u8g->pin_list[U8G_PI_I2C_OPTION]);
|
|
|
|
break;
|
|
|
|
case U8G_COM_MSG_STOP:
|
|
break;
|
|
|
|
case U8G_COM_MSG_RESET:
|
|
/* Currently disabled, but it could be enable. Previous restrictions have been removed */
|
|
/* u8g_com_arduino_digital_write(u8g, U8G_PI_RESET, arg_val); */
|
|
break;
|
|
|
|
case U8G_COM_MSG_CHIP_SELECT:
|
|
u8g->pin_list[U8G_PI_A0_STATE] = 0;
|
|
u8g->pin_list[U8G_PI_SET_A0] = 1; /* force a0 to set again, also forces start condition */
|
|
if ( arg_val == 0 )
|
|
{
|
|
/* disable chip, send stop condition */
|
|
platform_i2c_send_stop( ESP_I2C_ID );
|
|
}
|
|
else
|
|
{
|
|
/* enable, do nothing: any byte writing will trigger the i2c start */
|
|
}
|
|
break;
|
|
|
|
case U8G_COM_MSG_WRITE_BYTE:
|
|
//u8g->pin_list[U8G_PI_SET_A0] = 1;
|
|
if ( u8g_com_esp8266_ssd_start_sequence(u8g) == 0 )
|
|
return platform_i2c_send_stop( ESP_I2C_ID ), 0;
|
|
// ignore return value -> tolerate missing ACK
|
|
if ( platform_i2c_send_byte( ESP_I2C_ID, arg_val) == 0 )
|
|
; //return platform_i2c_send_stop( ESP_I2C_ID ), 0;
|
|
// platform_i2c_send_stop( ESP_I2C_ID );
|
|
break;
|
|
|
|
case U8G_COM_MSG_WRITE_SEQ:
|
|
case U8G_COM_MSG_WRITE_SEQ_P:
|
|
//u8g->pin_list[U8G_PI_SET_A0] = 1;
|
|
if ( u8g_com_esp8266_ssd_start_sequence(u8g) == 0 )
|
|
return platform_i2c_send_stop( ESP_I2C_ID ), 0;
|
|
{
|
|
register uint8_t *ptr = arg_ptr;
|
|
while( arg_val > 0 )
|
|
{
|
|
// ignore return value -> tolerate missing ACK
|
|
if ( platform_i2c_send_byte( ESP_I2C_ID, *ptr++) == 0 )
|
|
; //return platform_i2c_send_stop( ESP_I2C_ID ), 0;
|
|
arg_val--;
|
|
}
|
|
}
|
|
// platform_i2c_send_stop( ESP_I2C_ID );
|
|
break;
|
|
|
|
case U8G_COM_MSG_ADDRESS: /* define cmd (arg_val = 0) or data mode (arg_val = 1) */
|
|
u8g->pin_list[U8G_PI_A0_STATE] = arg_val;
|
|
u8g->pin_list[U8G_PI_SET_A0] = 1; /* force a0 to set again */
|
|
|
|
break;
|
|
}
|
|
return 1;
|
|
}
|
|
|
|
|
|
|
|
|
|
// device destructor
|
|
static int lu8g_close_display( lua_State *L )
|
|
{
|
|
lu8g_userdata_t *lud;
|
|
|
|
if ((lud = get_lud( L )) == NULL)
|
|
return 0;
|
|
|
|
return 0;
|
|
}
|
|
|
|
|
|
// ***************************************************************************
|
|
// Device constructors
|
|
//
|
|
//
|
|
// I2C based devices will use this function template to implement the Lua binding.
|
|
#undef U8G_DISPLAY_TABLE_ENTRY
|
|
#define U8G_DISPLAY_TABLE_ENTRY(device) \
|
|
static int lu8g_ ## device( lua_State *L ) \
|
|
{ \
|
|
unsigned addr = luaL_checkinteger( L, 1 ); \
|
|
\
|
|
if (addr == 0) \
|
|
return luaL_error( L, "i2c address required" ); \
|
|
\
|
|
lu8g_userdata_t *lud = (lu8g_userdata_t *) lua_newuserdata( L, sizeof( lu8g_userdata_t ) ); \
|
|
\
|
|
lud->u8g.i2c_addr = (uint8_t)addr; \
|
|
\
|
|
u8g_InitI2C( LU8G, &u8g_dev_ ## device, U8G_I2C_OPT_NONE); \
|
|
\
|
|
/* set its metatable */ \
|
|
luaL_getmetatable(L, "u8g.display"); \
|
|
lua_setmetatable(L, -2); \
|
|
\
|
|
return 1; \
|
|
}
|
|
//
|
|
// Unroll the display table and insert binding functions for I2C based displays.
|
|
U8G_DISPLAY_TABLE_I2C
|
|
//
|
|
//
|
|
//
|
|
// SPI based devices will use this function template to implement the Lua binding.
|
|
#undef U8G_DISPLAY_TABLE_ENTRY
|
|
#define U8G_DISPLAY_TABLE_ENTRY(device) \
|
|
static int lu8g_ ## device( lua_State *L ) \
|
|
{ \
|
|
unsigned cs = luaL_checkinteger( L, 1 ); \
|
|
if (cs == 0) \
|
|
return luaL_error( L, "CS pin required" ); \
|
|
unsigned dc = luaL_checkinteger( L, 2 ); \
|
|
if (dc == 0) \
|
|
return luaL_error( L, "D/C pin required" ); \
|
|
unsigned res = luaL_optinteger( L, 3, U8G_PIN_NONE ); \
|
|
\
|
|
lu8g_userdata_t *lud = (lu8g_userdata_t *) lua_newuserdata( L, sizeof( lu8g_userdata_t ) ); \
|
|
\
|
|
u8g_InitHWSPI( LU8G, &u8g_dev_ ## device, cs, dc, res ); \
|
|
\
|
|
/* set its metatable */ \
|
|
luaL_getmetatable(L, "u8g.display"); \
|
|
lua_setmetatable(L, -2); \
|
|
\
|
|
return 1; \
|
|
}
|
|
//
|
|
// Unroll the display table and insert binding functions for SPI based displays.
|
|
U8G_DISPLAY_TABLE_SPI
|
|
//
|
|
// ***************************************************************************
|
|
|
|
|
|
// Module function map
|
|
static const LUA_REG_TYPE lu8g_display_map[] =
|
|
{
|
|
{ LSTRKEY( "begin" ), LFUNCVAL( lu8g_begin ) },
|
|
{ LSTRKEY( "drawBitmap" ), LFUNCVAL( lu8g_drawBitmap ) },
|
|
{ LSTRKEY( "drawBox" ), LFUNCVAL( lu8g_drawBox ) },
|
|
{ LSTRKEY( "drawCircle" ), LFUNCVAL( lu8g_drawCircle ) },
|
|
{ LSTRKEY( "drawDisc" ), LFUNCVAL( lu8g_drawDisc ) },
|
|
{ LSTRKEY( "drawEllipse" ), LFUNCVAL( lu8g_drawEllipse ) },
|
|
{ LSTRKEY( "drawFilledEllipse" ), LFUNCVAL( lu8g_drawFilledEllipse ) },
|
|
{ LSTRKEY( "drawFrame" ), LFUNCVAL( lu8g_drawFrame ) },
|
|
{ LSTRKEY( "drawHLine" ), LFUNCVAL( lu8g_drawHLine ) },
|
|
{ LSTRKEY( "drawLine" ), LFUNCVAL( lu8g_drawLine ) },
|
|
{ LSTRKEY( "drawPixel" ), LFUNCVAL( lu8g_drawPixel ) },
|
|
{ LSTRKEY( "drawRBox" ), LFUNCVAL( lu8g_drawRBox ) },
|
|
{ LSTRKEY( "drawRFrame" ), LFUNCVAL( lu8g_drawRFrame ) },
|
|
{ LSTRKEY( "drawStr" ), LFUNCVAL( lu8g_drawStr ) },
|
|
{ LSTRKEY( "drawStr90" ), LFUNCVAL( lu8g_drawStr90 ) },
|
|
{ LSTRKEY( "drawStr180" ), LFUNCVAL( lu8g_drawStr180 ) },
|
|
{ LSTRKEY( "drawStr270" ), LFUNCVAL( lu8g_drawStr270 ) },
|
|
{ LSTRKEY( "drawTriangle" ), LFUNCVAL( lu8g_drawTriangle ) },
|
|
{ LSTRKEY( "drawVLine" ), LFUNCVAL( lu8g_drawVLine ) },
|
|
{ LSTRKEY( "drawXBM" ), LFUNCVAL( lu8g_drawXBM ) },
|
|
{ LSTRKEY( "firstPage" ), LFUNCVAL( lu8g_firstPage ) },
|
|
{ LSTRKEY( "getColorIndex" ), LFUNCVAL( lu8g_getColorIndex ) },
|
|
{ LSTRKEY( "getFontAscent" ), LFUNCVAL( lu8g_getFontAscent ) },
|
|
{ LSTRKEY( "getFontDescent" ), LFUNCVAL( lu8g_getFontDescent ) },
|
|
{ LSTRKEY( "getFontLineSpacing" ), LFUNCVAL( lu8g_getFontLineSpacing ) },
|
|
{ LSTRKEY( "getHeight" ), LFUNCVAL( lu8g_getHeight ) },
|
|
{ LSTRKEY( "getMode" ), LFUNCVAL( lu8g_getMode ) },
|
|
{ LSTRKEY( "getStrWidth" ), LFUNCVAL( lu8g_getStrWidth ) },
|
|
{ LSTRKEY( "getWidth" ), LFUNCVAL( lu8g_getWidth ) },
|
|
{ LSTRKEY( "nextPage" ), LFUNCVAL( lu8g_nextPage ) },
|
|
{ LSTRKEY( "setColorIndex" ), LFUNCVAL( lu8g_setColorIndex ) },
|
|
{ LSTRKEY( "setDefaultBackgroundColor" ), LFUNCVAL( lu8g_setDefaultBackgroundColor ) },
|
|
{ LSTRKEY( "setDefaultForegroundColor" ), LFUNCVAL( lu8g_setDefaultForegroundColor ) },
|
|
{ LSTRKEY( "setFont" ), LFUNCVAL( lu8g_setFont ) },
|
|
{ LSTRKEY( "setFontLineSpacingFactor" ), LFUNCVAL( lu8g_setFontLineSpacingFactor ) },
|
|
{ LSTRKEY( "setFontPosBaseline" ), LFUNCVAL( lu8g_setFontPosBaseline ) },
|
|
{ LSTRKEY( "setFontPosBottom" ), LFUNCVAL( lu8g_setFontPosBottom ) },
|
|
{ LSTRKEY( "setFontPosCenter" ), LFUNCVAL( lu8g_setFontPosCenter ) },
|
|
{ LSTRKEY( "setFontPosTop" ), LFUNCVAL( lu8g_setFontPosTop ) },
|
|
{ LSTRKEY( "setFontRefHeightAll" ), LFUNCVAL( lu8g_setFontRefHeightAll ) },
|
|
{ LSTRKEY( "setFontRefHeightExtendedText" ), LFUNCVAL( lu8g_setFontRefHeightExtendedText ) },
|
|
{ LSTRKEY( "setFontRefHeightText" ), LFUNCVAL( lu8g_setFontRefHeightText ) },
|
|
{ LSTRKEY( "setRot90" ), LFUNCVAL( lu8g_setRot90 ) },
|
|
{ LSTRKEY( "setRot180" ), LFUNCVAL( lu8g_setRot180 ) },
|
|
{ LSTRKEY( "setRot270" ), LFUNCVAL( lu8g_setRot270 ) },
|
|
{ LSTRKEY( "setScale2x2" ), LFUNCVAL( lu8g_setScale2x2 ) },
|
|
{ LSTRKEY( "sleepOff" ), LFUNCVAL( lu8g_sleepOff ) },
|
|
{ LSTRKEY( "sleepOn" ), LFUNCVAL( lu8g_sleepOn ) },
|
|
{ LSTRKEY( "undoRotation" ), LFUNCVAL( lu8g_undoRotation ) },
|
|
{ LSTRKEY( "undoScale" ), LFUNCVAL( lu8g_undoScale ) },
|
|
{ LSTRKEY( "__gc" ), LFUNCVAL( lu8g_close_display ) },
|
|
{ LSTRKEY( "__index" ), LROVAL ( lu8g_display_map ) },
|
|
{ LNILKEY, LNILVAL }
|
|
};
|
|
|
|
const LUA_REG_TYPE lu8g_map[] =
|
|
{
|
|
#undef U8G_DISPLAY_TABLE_ENTRY
|
|
#define U8G_DISPLAY_TABLE_ENTRY(device) { LSTRKEY( #device ), LFUNCVAL ( lu8g_ ##device ) },
|
|
U8G_DISPLAY_TABLE_I2C
|
|
U8G_DISPLAY_TABLE_SPI
|
|
|
|
// Register fonts
|
|
#undef U8G_FONT_TABLE_ENTRY
|
|
#define U8G_FONT_TABLE_ENTRY(font) { LSTRKEY( #font ), LUDATA( (void *)(u8g_ ## font) ) },
|
|
U8G_FONT_TABLE
|
|
|
|
// Options for circle/ ellipse drawing
|
|
{ LSTRKEY( "DRAW_UPPER_RIGHT" ), LNUMVAL( U8G_DRAW_UPPER_RIGHT ) },
|
|
{ LSTRKEY( "DRAW_UPPER_LEFT" ), LNUMVAL( U8G_DRAW_UPPER_LEFT ) },
|
|
{ LSTRKEY( "DRAW_LOWER_RIGHT" ), LNUMVAL( U8G_DRAW_LOWER_RIGHT ) },
|
|
{ LSTRKEY( "DRAW_LOWER_LEFT" ), LNUMVAL( U8G_DRAW_LOWER_LEFT ) },
|
|
{ LSTRKEY( "DRAW_ALL" ), LNUMVAL( U8G_DRAW_ALL ) },
|
|
|
|
// Display modes
|
|
{ LSTRKEY( "MODE_BW" ), LNUMVAL( U8G_MODE_BW ) },
|
|
{ LSTRKEY( "MODE_GRAY2BIT" ), LNUMVAL( U8G_MODE_GRAY2BIT ) },
|
|
|
|
{ LSTRKEY( "__metatable" ), LROVAL( lu8g_map ) },
|
|
{ LNILKEY, LNILVAL }
|
|
};
|
|
|
|
LUALIB_API int luaopen_u8g( lua_State *L )
|
|
{
|
|
luaL_rometatable(L, "u8g.display", (void *)lu8g_display_map); // create metatable
|
|
return 0;
|
|
}
|