Embedded/elua
1
0
Fork 0
mirror of https://github.com/elua/elua.git synced 2025-01-08 20:56:17 +08:00
Code Issues Projects Releases Wiki Activity

pio.port.setval bugfix (thanks, Teo! :))

Browse Source
This commit is contained in:
Bogdan Marinescu 2009-12-16 19:43:34 +00:00
parent fd2379c07e
commit 42ec61613b
2 changed files with 10 additions and 6 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

5
inc/validate.h
View File

@ -8,6 +8,11 @@
#include "platform_conf.h"
// The maximum 32 GPIO ports limitation is given by the port_mask variable in src/modules/pio.c
#if NUM_PIO > 32
#error "Can't have more than 32 GPIO ports"
#endif
// Can't define more than one console devices
#if defined( BUILD_CON_TCP ) && defined( BUILD_CON_GENERIC )
#error "Can't have two console devices (don't enable BUILD_CON_TCP and BUILD_CON_GENERIC in platform_conf.h at the same time)"

11
src/modules/pio.c
View File

@ -68,9 +68,8 @@ static int pioh_set_ports( lua_State* L, int stackidx, int op, pio_type mask )
{
int total = lua_gettop( L );
int i, v, port;
pioh_clear_masks();
u32 port_mask = 0;
// Get all masks
for( i = stackidx; i <= total; i ++ )
{
@ -78,13 +77,13 @@ static int pioh_set_ports( lua_State* L, int stackidx, int op, pio_type mask )
port = PLATFORM_IO_GET_PORT( v );
if( !PLATFORM_IO_IS_PORT( v ) || !platform_pio_has_port( port ) )
return luaL_error( L, "invalid port" );
pio_masks[ port ] = mask;
port_mask |= ( 1ULL << port );
}
// Ask platform to execute the given operation
for( i = 0; i < PLATFORM_IO_PORTS; i ++ )
if( pio_masks[ i ] )
if( !platform_pio_op( i, pio_masks[ i ], op ) )
if( port_mask & ( 1ULL << i ) )
if( !platform_pio_op( i, mask, op ) )
return luaL_error( L, "invalid PIO operation" );
return 0;
}