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XMC4300: LCD module: Include display control function

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This commit is contained in:
Raman 2019-03-01 12:22:28 +05:30
parent dd5950a639
commit c7796cf4be
1 changed files with 17 additions and 22 deletions
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39
src/platform/xmc4000/lcd.c
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@ -535,35 +535,29 @@ static int xmc_lcd_cursor( lua_State *L )
return 0; return 0;
} }
/* // Perform display operations, selected by a string parameter. */ // Perform display operations, selected by a string parameter.
/* static int lcd_display( lua_State *L ) */ // xmc4000.lcd.display( control_string )
/* { */ static int xmc_lcd_display( lua_State *L )
/* static const char const *args[] = */ {
/* { "off", "on", "left", "right", NULL }; */ static const char const *args[] =
{ "off", "on", "left", "right", NULL };
/* switch ( luaL_checkoption( L, 1, NULL, args ) ) */ switch( luaL_checkoption( L, 1, NULL, args ) )
/* { */ {
/* case 0: display_is_off = 1; */ case 0: lcd_no_display( &xmc_lcd ); break;
/* send_command( LCD_CMD_DISPLAY_OFF ); */ case 1: lcd_display( &xmc_lcd ); break;
/* break; */ case 2: lcd_scroll_display_left( &xmc_lcd ); break;
/* case 1: display_is_off = 0; */ case 3: lcd_scroll_display_right( &xmc_lcd ); break;
/* send_command( cursor_type ); // Turns display on */ default: return luaL_argerror( L, 1, NULL );
/* break; */ }
/* case 2: send_command( LCD_CMD_SHIFT_DISPLAY_LEFT ); */ return 0;
/* break; */ }
/* case 3: send_command( LCD_CMD_SHIFT_DISPLAY_RIGHT ); */
/* break; */
/* default: return luaL_argerror( L, 1, NULL ); */
/* } */
/* return 0; */
/* } */
// Lua: xmc4000.lcd.definechar( code, glyph ) // Lua: xmc4000.lcd.definechar( code, glyph )
// code: 0-7 // code: 0-7
// glyph: a table of up to 8 numbers with values 0-31. // glyph: a table of up to 8 numbers with values 0-31.
// If less than 8 are supplied, the bottom rows are blanked. // If less than 8 are supplied, the bottom rows are blanked.
// If more than 8 are supplied, the extra are ignored. // If more than 8 are supplied, the extra are ignored.
static int xmc_lcd_definechar( lua_State *L ) { static int xmc_lcd_definechar( lua_State *L ) {
int code; // The character code we are defining, 0-7 int code; // The character code we are defining, 0-7
size_t datalen; // The number of elements in the glyph table size_t datalen; // The number of elements in the glyph table
@ -608,5 +602,6 @@ const LUA_REG_TYPE lcd_map[] =
{ LSTRKEY( "print" ), LFUNCVAL( xmc_lcd_print ) }, { LSTRKEY( "print" ), LFUNCVAL( xmc_lcd_print ) },
{ LSTRKEY( "cursor" ), LFUNCVAL( xmc_lcd_cursor ) }, { LSTRKEY( "cursor" ), LFUNCVAL( xmc_lcd_cursor ) },
{ LSTRKEY( "definechar" ), LFUNCVAL( xmc_lcd_definechar ) }, { LSTRKEY( "definechar" ), LFUNCVAL( xmc_lcd_definechar ) },
{ LSTRKEY( "display" ), LFUNCVAL( xmc_lcd_display ) },
{ LNILKEY, LNILVAL } { LNILKEY, LNILVAL }
}; };