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ruanhaishen
Nodemcu Firmware
Commits
0bbaedac
Commit
0bbaedac
authored
Feb 07, 2015
by
Till Klocke
Browse files
Renamed lgpio_ws2812 to match lua method name and fixed formatting
parent
c5d83590
Changes
1
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Inline
Side-by-side
app/modules/ws2812.c
View file @
0bbaedac
...
...
@@ -14,20 +14,25 @@
// ----------------------------------------------------------------------------
// -- This WS2812 code must be compiled with -O2 to get the timing right.
// -- http://wp.josh.com/2014/05/13/ws2812-neopixels-are-not-so-finicky-once-you-get-to-know-them/
// The ICACHE_FLASH_ATTR is there to trick the compiler and get the very first pulse width correct.
static
void
ICACHE_FLASH_ATTR
send_ws_0
(
uint8_t
gpio
)
{
static
void
ICACHE_FLASH_ATTR
send_ws_0
(
uint8_t
gpio
)
{
uint8_t
i
;
i
=
4
;
while
(
i
--
)
GPIO_REG_WRITE
(
GPIO_OUT_W1TS_ADDRESS
,
1
<<
gpio
);
i
=
9
;
while
(
i
--
)
GPIO_REG_WRITE
(
GPIO_OUT_W1TC_ADDRESS
,
1
<<
gpio
);
i
=
4
;
while
(
i
--
)
GPIO_REG_WRITE
(
GPIO_OUT_W1TS_ADDRESS
,
1
<<
gpio
);
i
=
9
;
while
(
i
--
)
GPIO_REG_WRITE
(
GPIO_OUT_W1TC_ADDRESS
,
1
<<
gpio
);
}
static
void
ICACHE_FLASH_ATTR
send_ws_1
(
uint8_t
gpio
)
{
static
void
ICACHE_FLASH_ATTR
send_ws_1
(
uint8_t
gpio
)
{
uint8_t
i
;
i
=
8
;
while
(
i
--
)
GPIO_REG_WRITE
(
GPIO_OUT_W1TS_ADDRESS
,
1
<<
gpio
);
i
=
6
;
while
(
i
--
)
GPIO_REG_WRITE
(
GPIO_OUT_W1TC_ADDRESS
,
1
<<
gpio
);
i
=
8
;
while
(
i
--
)
GPIO_REG_WRITE
(
GPIO_OUT_W1TS_ADDRESS
,
1
<<
gpio
);
i
=
6
;
while
(
i
--
)
GPIO_REG_WRITE
(
GPIO_OUT_W1TC_ADDRESS
,
1
<<
gpio
);
}
// Lua: ws2812.write(pin, "string")
...
...
@@ -35,8 +40,7 @@ static void ICACHE_FLASH_ATTR send_ws_1(uint8_t gpio)
// ws2812.write(4, string.char(0, 255, 0)) uses GPIO2 and sets the first LED red.
// ws2812.write(3, string.char(0, 0, 255):rep(10)) uses GPIO0 and sets ten LEDs blue.
// ws2812.write(4, string.char(255, 0, 0, 255, 255, 255)) first LED green, second LED white.
static
int
ICACHE_FLASH_ATTR
lgpio_ws2812
(
lua_State
*
L
)
{
static
int
ICACHE_FLASH_ATTR
ws2812_write
(
lua_State
*
L
)
{
const
uint8_t
pin
=
luaL_checkinteger
(
L
,
1
);
size_t
length
;
const
char
*
buffer
=
luaL_checklstring
(
L
,
2
,
&
length
);
...
...
@@ -64,18 +68,15 @@ static int ICACHE_FLASH_ATTR lgpio_ws2812(lua_State* L)
#include "lrodefs.h"
const
LUA_REG_TYPE
ws2812_map
[]
=
{
{
LSTRKEY
(
"write"
),
LFUNCVAL
(
lgpio_
ws2812
)
},
{
LNILKEY
,
LNILVAL
}
{
LSTRKEY
(
"write"
),
LFUNCVAL
(
ws2812
_write
)},
{
LNILKEY
,
LNILVAL
}
};
LUALIB_API
int
luaopen_ws2812
(
lua_State
*
L
)
{
// TODO: Make sure that the GPIO system is initialized
LREGISTER
(
L
,
"ws2812"
,
ws2812_map
);
return
1
;
LUALIB_API
int
luaopen_ws2812
(
lua_State
*
L
)
{
// TODO: Make sure that the GPIO system is initialized
LREGISTER
(
L
,
"ws2812"
,
ws2812_map
);
return
1
;
}
// ----------------------------------------------------------------------------
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