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tft: Include function to put a point on screen

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This commit is contained in:
Raman Gopalan 2017-11-29 08:48:12 +05:30
parent d762d10cdb
commit f595515e28
1 changed files with 19 additions and 0 deletions
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19
src/platform/stm32/tft.c
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@ -247,6 +247,24 @@ static int tft_brightness( lua_State *L )
return 0;
}
//Lua: putpoint( x, y )
static int tft_put_point( lua_State *L )
{
uint16_t x0, y0;
x0 = luaL_checkinteger( L, 1 );
y0 = luaL_checkinteger( L, 2 );
START_FRAME;
SERIAL_WRITE( 0x51 );
SERIAL_WRITE( highByte( x0 ) );
SERIAL_WRITE( lowByte( x0 ) );
SERIAL_WRITE( highByte( y0 ) );
SERIAL_WRITE( lowByte( y0 ) );
END_FRAME;
return 0;
}
#define MIN_OPT_LEVEL 2
#include "lrodefs.h"
@ -263,6 +281,7 @@ const LUA_REG_TYPE tft_map[] =
{ LSTRKEY( "calibrate" ), LFUNCVAL( tft_calibrate ) },
{ LSTRKEY( "print" ), LFUNCVAL( tft_print ) },
{ LSTRKEY( "brightness" ), LFUNCVAL( tft_brightness ) },
{ LSTRKEY( "putpoint" ), LFUNCVAL( tft_put_point ) },
//
// Expose colors: The monster's interface is (for most people -
// boring) simple. It should work just fine for echo of process