initial setup of ucg module
Hello World example is working
This commit is contained in:
devsaurus
parent
9b384b4bda
commit
75041a32b5
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@ -12,7 +12,30 @@
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//#include "u8g_config.h"
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typedef struct ucg_t lucg_userdata_t;
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struct _lucg_userdata_t
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{
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ucg_t ucg;
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ucg_dev_fnptr dev_cb;
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ucg_dev_fnptr ext_cb;
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// For Print() function
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ucg_int_t tx, ty;
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uint8_t tdir;
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};
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typedef struct _lucg_userdata_t lucg_userdata_t;
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#define delayMicroseconds os_delay_us
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static int16_t ucg_com_esp8266_hw_spi(ucg_t *ucg, int16_t msg, uint16_t arg, uint8_t *data);
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// shorthand macro for the ucg structure inside the userdata
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#define LUCG (&(lud->ucg))
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// helper function: retrieve and check userdata argument
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@ -24,7 +47,7 @@ static lucg_userdata_t *get_lud( lua_State *L )
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}
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// helper function: retrieve given number of integer arguments
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static void lucg_get_int_args( lua_State *L, uint8_t stack, uint8_t num, ucg_int_t *args)
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static void lucg_get_int_args( lua_State *L, uint8_t stack, uint8_t num, uint8_t *args)
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{
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while (num-- > 0)
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{
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@ -32,6 +55,223 @@ static void lucg_get_int_args( lua_State *L, uint8_t stack, uint8_t num, ucg_int
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}
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}
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// Lua: ucg.begin( self, fontmode )
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static int lucg_begin( lua_State *L )
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{
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lucg_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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ucg_Init( LUCG, lud->dev_cb, lud->ext_cb, ucg_com_esp8266_hw_spi );
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ucg_int_t fontmode = luaL_checkinteger( L, 2 );
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ucg_SetFontMode( LUCG, fontmode );
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return 0;
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}
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// Lua: ucg.clearScreen( self )
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static int lucg_clearScreen( lua_State *L )
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{
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lucg_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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ucg_ClearScreen( LUCG );
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return 0;
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}
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// Lua: ucg.setColor( self, [idx], r, g, b )
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static int lucg_setColor( lua_State *L )
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{
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lucg_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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uint8_t args[3];
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lucg_get_int_args( L, 2, 3, args );
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int16_t opt = luaL_optint( L, (1+3) + 1, -1 );
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if (opt < 0)
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ucg_SetColor( LUCG, 0, args[0], args[1], args[2] );
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else
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ucg_SetColor( LUCG, args[0], args[1], args[2], opt );
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return 0;
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}
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// Lua: ucg.setFont( self, font )
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static int lucg_setFont( lua_State *L )
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{
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lucg_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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ucg_fntpgm_uint8_t *font = (ucg_fntpgm_uint8_t *)lua_touserdata( L, 2 );
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if (font != NULL)
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ucg_SetFont( LUCG, font );
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return 0;
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}
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// Lua: ucg.print( self, str )
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static int lucg_print( lua_State *L )
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{
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lucg_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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const char *s = luaL_checkstring( L, 2 );
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if (s == NULL)
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return 0;
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while (*s)
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{
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ucg_int_t delta;
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delta = ucg_DrawGlyph(LUCG, lud->tx, lud->ty, lud->tdir, *(s++));
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switch(lud->tdir)
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{
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case 0: lud->tx += delta; break;
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case 1: lud->ty += delta; break;
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case 2: lud->tx -= delta; break;
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default: case 3: lud->ty -= delta; break;
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}
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}
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return 0;
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}
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// Lua: ucg.setPrintPos( self, x, y )
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static int lucg_setPrintPos( lua_State *L )
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{
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lucg_userdata_t *lud;
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if ((lud = get_lud( L )) == NULL)
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return 0;
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uint8_t args[2];
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lucg_get_int_args( L, 2, 2, args );
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lud->tx = args[0];
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lud->ty = args[1];
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return 0;
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}
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static int16_t ucg_com_esp8266_hw_spi(ucg_t *ucg, int16_t msg, uint16_t arg, uint8_t *data)
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{
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switch(msg)
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{
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case UCG_COM_MSG_POWER_UP:
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/* "data" is a pointer to ucg_com_info_t structure with the following information: */
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/* ((ucg_com_info_t *)data)->serial_clk_speed value in nanoseconds */
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/* ((ucg_com_info_t *)data)->parallel_clk_speed value in nanoseconds */
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/* setup pins */
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// we assume that the SPI interface was already initialized
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// just care for the /CS and D/C pins
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//platform_gpio_write( ucg->pin_list[0], value );
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if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
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platform_gpio_mode( ucg->pin_list[UCG_PIN_RST], PLATFORM_GPIO_OUTPUT, PLATFORM_GPIO_FLOAT );
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platform_gpio_mode( ucg->pin_list[UCG_PIN_CD], PLATFORM_GPIO_OUTPUT, PLATFORM_GPIO_FLOAT );
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if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
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platform_gpio_mode( ucg->pin_list[UCG_PIN_CS], PLATFORM_GPIO_OUTPUT, PLATFORM_GPIO_FLOAT );
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break;
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case UCG_COM_MSG_POWER_DOWN:
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break;
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case UCG_COM_MSG_DELAY:
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delayMicroseconds(arg);
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break;
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case UCG_COM_MSG_CHANGE_RESET_LINE:
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if ( ucg->pin_list[UCG_PIN_RST] != UCG_PIN_VAL_NONE )
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platform_gpio_write( ucg->pin_list[UCG_PIN_RST], arg );
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break;
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case UCG_COM_MSG_CHANGE_CS_LINE:
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if ( ucg->pin_list[UCG_PIN_CS] != UCG_PIN_VAL_NONE )
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platform_gpio_write( ucg->pin_list[UCG_PIN_CS], arg );
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break;
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case UCG_COM_MSG_CHANGE_CD_LINE:
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platform_gpio_write( ucg->pin_list[UCG_PIN_CD], arg );
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break;
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case UCG_COM_MSG_SEND_BYTE:
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platform_spi_send_recv( 1, arg );
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break;
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case UCG_COM_MSG_REPEAT_1_BYTE:
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while( arg > 0 ) {
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platform_spi_send_recv( 1, data[0] );
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arg--;
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}
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break;
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case UCG_COM_MSG_REPEAT_2_BYTES:
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while( arg > 0 ) {
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platform_spi_send_recv( 1, data[0] );
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platform_spi_send_recv( 1, data[1] );
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arg--;
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}
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break;
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case UCG_COM_MSG_REPEAT_3_BYTES:
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while( arg > 0 ) {
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platform_spi_send_recv( 1, data[0] );
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platform_spi_send_recv( 1, data[1] );
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platform_spi_send_recv( 1, data[2] );
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arg--;
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}
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break;
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case UCG_COM_MSG_SEND_STR:
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while( arg > 0 ) {
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platform_spi_send_recv( 1, *data++ );
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arg--;
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}
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break;
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case UCG_COM_MSG_SEND_CD_DATA_SEQUENCE:
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while(arg > 0)
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{
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if ( *data != 0 )
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{
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/* set the data line directly, ignore the setting from UCG_CFG_CD */
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if ( *data == 1 )
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{
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platform_gpio_write( ucg->pin_list[UCG_PIN_CD], 0 );
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}
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else
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{
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platform_gpio_write( ucg->pin_list[UCG_PIN_CD], 1 );
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}
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}
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data++;
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platform_spi_send_recv( 1, *data );
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data++;
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arg--;
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}
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break;
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}
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return 1;
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}
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// device destructor
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@ -46,6 +286,46 @@ static int lucg_close_display( lua_State *L )
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}
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static int lucg_ili9341_18x240x320_hw_spi( lua_State *L )
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{
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unsigned cs = luaL_checkinteger( L, 1 );
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if (cs == 0)
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return luaL_error( L, "CS pin required" );
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unsigned dc = luaL_checkinteger( L, 2 );
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if (dc == 0)
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return luaL_error( L, "D/C pin required" );
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unsigned res = luaL_optinteger( L, 3, UCG_PIN_VAL_NONE );
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lucg_userdata_t *lud = (lucg_userdata_t *) lua_newuserdata( L, sizeof( lucg_userdata_t ) );
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// do a dummy init so that something usefull is part of the ucg structure
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ucg_Init( LUCG, ucg_dev_default_cb, ucg_ext_none, (ucg_com_fnptr)0 );
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// reset cursor position
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lud->tx = 0;
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lud->ty = 0;
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lud->tdir = 0; // default direction
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uint8_t i;
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for( i = 0; i < UCG_PIN_COUNT; i++ )
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lud->ucg.pin_list[i] = UCG_PIN_VAL_NONE;
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lud->dev_cb = ucg_dev_ili9341_18x240x320;
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lud->ext_cb = ucg_ext_ili9341_18;
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lud->ucg.pin_list[UCG_PIN_RST] = res;
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lud->ucg.pin_list[UCG_PIN_CD] = dc;
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lud->ucg.pin_list[UCG_PIN_CS] = cs;
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/* set its metatable */
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luaL_getmetatable(L, "ucg.display");
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lua_setmetatable(L, -2);
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return 1;
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}
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// Module function map
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#define MIN_OPT_LEVEL 2
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@ -53,58 +333,13 @@ static int lucg_close_display( lua_State *L )
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static const LUA_REG_TYPE lucg_display_map[] =
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{
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#if 0
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{ LSTRKEY( "begin" ), LFUNCVAL( lu8g_begin ) },
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{ LSTRKEY( "drawBitmap" ), LFUNCVAL( lu8g_drawBitmap ) },
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{ LSTRKEY( "drawBox" ), LFUNCVAL( lu8g_drawBox ) },
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{ LSTRKEY( "drawCircle" ), LFUNCVAL( lu8g_drawCircle ) },
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{ LSTRKEY( "drawDisc" ), LFUNCVAL( lu8g_drawDisc ) },
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{ LSTRKEY( "drawEllipse" ), LFUNCVAL( lu8g_drawEllipse ) },
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{ LSTRKEY( "drawFilledEllipse" ), LFUNCVAL( lu8g_drawFilledEllipse ) },
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{ LSTRKEY( "drawFrame" ), LFUNCVAL( lu8g_drawFrame ) },
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{ LSTRKEY( "drawHLine" ), LFUNCVAL( lu8g_drawHLine ) },
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{ LSTRKEY( "drawLine" ), LFUNCVAL( lu8g_drawLine ) },
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{ LSTRKEY( "drawPixel" ), LFUNCVAL( lu8g_drawPixel ) },
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{ LSTRKEY( "drawRBox" ), LFUNCVAL( lu8g_drawRBox ) },
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{ LSTRKEY( "drawRFrame" ), LFUNCVAL( lu8g_drawRFrame ) },
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{ LSTRKEY( "drawStr" ), LFUNCVAL( lu8g_drawStr ) },
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{ LSTRKEY( "drawStr90" ), LFUNCVAL( lu8g_drawStr90 ) },
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{ LSTRKEY( "drawStr180" ), LFUNCVAL( lu8g_drawStr180 ) },
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{ LSTRKEY( "drawStr270" ), LFUNCVAL( lu8g_drawStr270 ) },
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{ LSTRKEY( "drawTriangle" ), LFUNCVAL( lu8g_drawTriangle ) },
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{ LSTRKEY( "drawVLine" ), LFUNCVAL( lu8g_drawVLine ) },
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{ LSTRKEY( "drawXBM" ), LFUNCVAL( lu8g_drawXBM ) },
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{ LSTRKEY( "firstPage" ), LFUNCVAL( lu8g_firstPage ) },
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{ LSTRKEY( "getColorIndex" ), LFUNCVAL( lu8g_getColorIndex ) },
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{ LSTRKEY( "getFontAscent" ), LFUNCVAL( lu8g_getFontAscent ) },
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{ LSTRKEY( "getFontDescent" ), LFUNCVAL( lu8g_getFontDescent ) },
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{ LSTRKEY( "getFontLineSpacing" ), LFUNCVAL( lu8g_getFontLineSpacing ) },
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{ LSTRKEY( "getHeight" ), LFUNCVAL( lu8g_getHeight ) },
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{ LSTRKEY( "getMode" ), LFUNCVAL( lu8g_getMode ) },
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{ LSTRKEY( "getStrWidth" ), LFUNCVAL( lu8g_getStrWidth ) },
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{ LSTRKEY( "getWidth" ), LFUNCVAL( lu8g_getWidth ) },
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{ LSTRKEY( "nextPage" ), LFUNCVAL( lu8g_nextPage ) },
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{ LSTRKEY( "setColorIndex" ), LFUNCVAL( lu8g_setColorIndex ) },
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{ LSTRKEY( "setDefaultBackgroundColor" ), LFUNCVAL( lu8g_setDefaultBackgroundColor ) },
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{ LSTRKEY( "setDefaultForegroundColor" ), LFUNCVAL( lu8g_setDefaultForegroundColor ) },
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{ LSTRKEY( "setFont" ), LFUNCVAL( lu8g_setFont ) },
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{ LSTRKEY( "setFontLineSpacingFactor" ), LFUNCVAL( lu8g_setFontLineSpacingFactor ) },
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{ LSTRKEY( "setFontPosBaseline" ), LFUNCVAL( lu8g_setFontPosBaseline ) },
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{ LSTRKEY( "setFontPosBottom" ), LFUNCVAL( lu8g_setFontPosBottom ) },
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{ LSTRKEY( "setFontPosCenter" ), LFUNCVAL( lu8g_setFontPosCenter ) },
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{ LSTRKEY( "setFontPosTop" ), LFUNCVAL( lu8g_setFontPosTop ) },
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{ LSTRKEY( "setFontRefHeightAll" ), LFUNCVAL( lu8g_setFontRefHeightAll ) },
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{ LSTRKEY( "setFontRefHeightExtendedText" ), LFUNCVAL( lu8g_setFontRefHeightExtendedText ) },
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{ LSTRKEY( "setFontRefHeightText" ), LFUNCVAL( lu8g_setFontRefHeightText ) },
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{ LSTRKEY( "setRot90" ), LFUNCVAL( lu8g_setRot90 ) },
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{ LSTRKEY( "setRot180" ), LFUNCVAL( lu8g_setRot180 ) },
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{ LSTRKEY( "setRot270" ), LFUNCVAL( lu8g_setRot270 ) },
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{ LSTRKEY( "setScale2x2" ), LFUNCVAL( lu8g_setScale2x2 ) },
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{ LSTRKEY( "sleepOff" ), LFUNCVAL( lu8g_sleepOff ) },
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{ LSTRKEY( "sleepOn" ), LFUNCVAL( lu8g_sleepOn ) },
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{ LSTRKEY( "undoRotation" ), LFUNCVAL( lu8g_undoRotation ) },
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{ LSTRKEY( "undoScale" ), LFUNCVAL( lu8g_undoScale ) },
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#endif
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{ LSTRKEY( "begin" ), LFUNCVAL( lucg_begin ) },
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{ LSTRKEY( "clearScreen" ), LFUNCVAL( lucg_clearScreen ) },
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{ LSTRKEY( "setColor" ), LFUNCVAL( lucg_setColor ) },
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{ LSTRKEY( "setFont" ), LFUNCVAL( lucg_setFont ) },
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{ LSTRKEY( "print" ), LFUNCVAL( lucg_print ) },
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{ LSTRKEY( "setPrintPos" ), LFUNCVAL( lucg_setPrintPos ) },
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{ LSTRKEY( "__gc" ), LFUNCVAL( lucg_close_display ) },
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#if LUA_OPTIMIZE_MEMORY > 0
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{ LSTRKEY( "__index" ), LROVAL ( lucg_display_map ) },
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@ -114,34 +349,16 @@ static const LUA_REG_TYPE lucg_display_map[] =
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const LUA_REG_TYPE lucg_map[] =
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{
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#if 0
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#undef U8G_DISPLAY_TABLE_ENTRY
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#define U8G_DISPLAY_TABLE_ENTRY(device) { LSTRKEY( #device ), LFUNCVAL ( lu8g_ ##device ) },
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U8G_DISPLAY_TABLE_I2C
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U8G_DISPLAY_TABLE_SPI
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#endif
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{ LSTRKEY( "ili9341_18x240x320_hw_spi" ), LFUNCVAL( lucg_ili9341_18x240x320_hw_spi ) },
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#if LUA_OPTIMIZE_MEMORY > 0
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// Register fonts
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#if 0
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#undef U8G_FONT_TABLE_ENTRY
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#define U8G_FONT_TABLE_ENTRY(font) { LSTRKEY( #font ), LUDATA( (void *)(u8g_ ## font) ) },
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U8G_FONT_TABLE
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#endif
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{ LSTRKEY( "font_ncenR12_tr" ), LUDATA( (void *)(ucg_font_ncenR12_tr) ) },
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#if 0
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// Options for circle/ ellipse drawing
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{ LSTRKEY( "DRAW_UPPER_RIGHT" ), LNUMVAL( U8G_DRAW_UPPER_RIGHT ) },
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{ LSTRKEY( "DRAW_UPPER_LEFT" ), LNUMVAL( U8G_DRAW_UPPER_LEFT ) },
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{ LSTRKEY( "DRAW_LOWER_RIGHT" ), LNUMVAL( U8G_DRAW_LOWER_RIGHT ) },
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{ LSTRKEY( "DRAW_LOWER_LEFT" ), LNUMVAL( U8G_DRAW_LOWER_LEFT ) },
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{ LSTRKEY( "DRAW_ALL" ), LNUMVAL( U8G_DRAW_ALL ) },
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// Display modes
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{ LSTRKEY( "MODE_BW" ), LNUMVAL( U8G_MODE_BW ) },
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{ LSTRKEY( "MODE_GRAY2BIT" ), LNUMVAL( U8G_MODE_GRAY2BIT ) },
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#endif
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// Font modes
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{ LSTRKEY( "FONT_MODE_TRANSPARENT" ), LNUMVAL( UCG_FONT_MODE_TRANSPARENT ) },
|
||||
{ LSTRKEY( "FONT_MODE_SOLID" ), LNUMVAL( UCG_FONT_MODE_SOLID ) },
|
||||
|
||||
{ LSTRKEY( "__metatable" ), LROVAL( lucg_map ) },
|
||||
#endif
|
||||
|
|
@ -164,23 +381,11 @@ LUALIB_API int luaopen_ucg( lua_State *L )
|
|||
// Module constants
|
||||
|
||||
// Register fonts
|
||||
#if 0
|
||||
#undef U8G_FONT_TABLE_ENTRY
|
||||
#define U8G_FONT_TABLE_ENTRY(font) MOD_REG_LUDATA( L, #font, (void *)(u8g_ ## font) );
|
||||
U8G_FONT_TABLE
|
||||
#endif
|
||||
MOD_REG_LUDATA( L, "font_ncenR12_tr", (void *)(ucg_font_ncenR12_tr) );
|
||||
|
||||
#if 0
|
||||
// Options for circle/ ellipse drawing
|
||||
MOD_REG_NUMBER( L, "DRAW_UPPER_RIGHT", U8G_DRAW_UPPER_RIGHT );
|
||||
MOD_REG_NUMBER( L, "DRAW_UPPER_LEFT", U8G_DRAW_UPPER_RIGHT );
|
||||
MOD_REG_NUMBER( L, "DRAW_LOWER_RIGHT", U8G_DRAW_UPPER_RIGHT );
|
||||
MOD_REG_NUMBER( L, "DRAW_LOWER_LEFT", U8G_DRAW_UPPER_RIGHT );
|
||||
|
||||
// Display modes
|
||||
MOD_REG_NUMBER( L, "MODE_BW", U8G_MODE_BW );
|
||||
MOD_REG_NUMBER( L, "MODE_GRAY2BIT", U8G_MODE_BW );
|
||||
#endif
|
||||
// Font modes
|
||||
MOD_REG_NUMBER( L, "FONT_MODE_TRANSPARENT", UCG_FONT_MODE_TRANSPARENT );
|
||||
MOD_REG_NUMBER( L, "FONT_MODE_SOLID", UCG_FONT_MODE_SOLID );
|
||||
|
||||
// create metatable
|
||||
luaL_newmetatable(L, "ucg.display");
|
||||
|
|
@ -189,7 +394,7 @@ LUALIB_API int luaopen_ucg( lua_State *L )
|
|||
lua_pushvalue(L,-2);
|
||||
lua_rawset(L,-3);
|
||||
// Setup the methods inside metatable
|
||||
luaL_register( L, NULL, ucg_display_map );
|
||||
luaL_register( L, NULL, lucg_display_map );
|
||||
|
||||
return 1;
|
||||
#endif // #if LUA_OPTIMIZE_MEMORY > 0
|
||||
|
|
|
|||
Loading…
Reference in New Issue