Skip to content
GitLab
Menu
Projects
Groups
Snippets
Loading...
Help
Help
Support
Community forum
Keyboard shortcuts
?
Submit feedback
Contribute to GitLab
Sign in / Register
Toggle navigation
Menu
Open sidebar
ruanhaishen
Nodemcu Firmware
Commits
fd93a09a
Commit
fd93a09a
authored
Aug 23, 2015
by
aeprox
Browse files
Code formatting fixes
parent
0caf745d
Changes
4
Show whitespace changes
Inline
Side-by-side
app/Makefile
View file @
fd93a09a
...
...
@@ -94,7 +94,6 @@ COMPONENTS_eagle.app.v6 = \
tsl2561/tsl2561lib.a
\
modules/libmodules.a
LINKFLAGS_eagle.app.v6
=
\
-L
../lib
\
-Wl
,--gc-sections
\
...
...
app/modules/modules.h
View file @
fd93a09a
...
...
@@ -258,4 +258,5 @@
ROM_MODULES_SNTP \
ROM_MODULES_BMP085 \
ROM_MODULES_TSL2561
#endif
app/modules/tsl2561.c
View file @
fd93a09a
...
...
@@ -31,8 +31,8 @@ static int ICACHE_FLASH_ATTR tsl2561_init(lua_State* L) {
return
luaL_error
(
L
,
"no i2c for D0"
);
}
uint8_t
error
=
tsl2561Init
(
sda
,
scl
);
lua_pushnumber
(
L
,
error
);
uint8_t
error
=
tsl2561Init
(
sda
,
scl
);
lua_pushnumber
(
L
,
error
);
return
1
;
}
/*
...
...
@@ -44,28 +44,27 @@ static int ICACHE_FLASH_ATTR tsl2561_lua_settiming(lua_State* L) {
return
luaL_error
(
L
,
"wrong arg range"
);
}
uint8_t
integration
=
luaL_checkinteger
(
L
,
1
);
if
(
!
((
integration
==
TSL2561_INTEGRATIONTIME_13MS
)
||
(
integration
==
TSL2561_INTEGRATIONTIME_101MS
)
||
(
integration
==
TSL2561_INTEGRATIONTIME_402MS
))){
if
(
!
((
integration
==
TSL2561_INTEGRATIONTIME_13MS
)
||
(
integration
==
TSL2561_INTEGRATIONTIME_101MS
)
||
(
integration
==
TSL2561_INTEGRATIONTIME_402MS
)))
{
return
luaL_error
(
L
,
"wrong range for arg integration"
);
}
uint8_t
gain
=
luaL_checkinteger
(
L
,
2
);
if
(
!
((
gain
==
TSL2561_GAIN_16X
)
||
(
gain
==
TSL2561_GAIN_1X
))){
if
(
!
((
gain
==
TSL2561_GAIN_16X
)
||
(
gain
==
TSL2561_GAIN_1X
)))
{
return
luaL_error
(
L
,
"wrong range for arg gain"
);
}
lua_pushnumber
(
L
,
tsl2561SetTiming
(
integration
,
gain
)
);
lua_pushnumber
(
L
,
tsl2561SetTiming
(
integration
,
gain
));
return
1
;
}
/*
* Lua: lux, error = tsl2561.getlux()
*/
static
int
ICACHE_FLASH_ATTR
tsl2561_lua_calclux
(
lua_State
*
L
)
{
uint8_t
error
=
tsl2561GetLuminosity
(
&
ch0
,
&
ch1
);
if
(
error
){
uint8_t
error
=
tsl2561GetLuminosity
(
&
ch0
,
&
ch1
);
if
(
error
)
{
lua_pushnumber
(
L
,
0
);
lua_pushnumber
(
L
,
error
);
}
else
{
lua_pushnumber
(
L
,
tsl2561CalculateLux
(
ch0
,
ch1
));
}
else
{
lua_pushnumber
(
L
,
tsl2561CalculateLux
(
ch0
,
ch1
));
lua_pushnumber
(
L
,
error
);
}
return
2
;
...
...
@@ -74,10 +73,10 @@ static int ICACHE_FLASH_ATTR tsl2561_lua_calclux(lua_State* L) {
* Lua: tsl2561.getrawchannels()
*/
static
int
ICACHE_FLASH_ATTR
tsl2561_lua_getchannels
(
lua_State
*
L
)
{
uint8_t
error
=
tsl2561GetLuminosity
(
&
ch0
,
&
ch1
);
lua_pushnumber
(
L
,
ch0
);
lua_pushnumber
(
L
,
ch1
);
lua_pushnumber
(
L
,
error
);
uint8_t
error
=
tsl2561GetLuminosity
(
&
ch0
,
&
ch1
);
lua_pushnumber
(
L
,
ch0
);
lua_pushnumber
(
L
,
ch1
);
lua_pushnumber
(
L
,
error
);
return
3
;
}
...
...
@@ -91,17 +90,17 @@ const LUA_REG_TYPE tsl2561_map[] =
{
LSTRKEY
(
"getrawchannels"
),
LFUNCVAL
(
tsl2561_lua_getchannels
)},
{
LSTRKEY
(
"init"
),
LFUNCVAL
(
tsl2561_init
)},
{
LSTRKEY
(
"TSL2561_OK"
),
LNUMVAL
(
TSL2561_ERROR_OK
)
},
{
LSTRKEY
(
"TSL2561_ERROR_I2CINIT"
),
LNUMVAL
(
TSL2561_ERROR_I2CINIT
)
},
{
LSTRKEY
(
"TSL2561_ERROR_I2CBUSY"
),
LNUMVAL
(
TSL2561_ERROR_I2CBUSY
)
},
{
LSTRKEY
(
"TSL2561_ERROR_NOINIT"
),
LNUMVAL
(
TSL2561_ERROR_NOINIT
)
},
{
LSTRKEY
(
"TSL2561_ERROR_LAST"
),
LNUMVAL
(
TSL2561_ERROR_LAST
)
},
{
LSTRKEY
(
"TSL2561_OK"
),
LNUMVAL
(
TSL2561_ERROR_OK
)},
{
LSTRKEY
(
"TSL2561_ERROR_I2CINIT"
),
LNUMVAL
(
TSL2561_ERROR_I2CINIT
)},
{
LSTRKEY
(
"TSL2561_ERROR_I2CBUSY"
),
LNUMVAL
(
TSL2561_ERROR_I2CBUSY
)},
{
LSTRKEY
(
"TSL2561_ERROR_NOINIT"
),
LNUMVAL
(
TSL2561_ERROR_NOINIT
)},
{
LSTRKEY
(
"TSL2561_ERROR_LAST"
),
LNUMVAL
(
TSL2561_ERROR_LAST
)},
{
LSTRKEY
(
"INTEGRATIONTIME_13MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_13MS
)
},
{
LSTRKEY
(
"INTEGRATIONTIME_101MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_101MS
)
},
{
LSTRKEY
(
"INTEGRATIONTIME_402MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_402MS
)
},
{
LSTRKEY
(
"GAIN_1X"
),
LNUMVAL
(
TSL2561_GAIN_1X
)
},
{
LSTRKEY
(
"GAIN_16X"
),
LNUMVAL
(
TSL2561_GAIN_16X
)
},
{
LSTRKEY
(
"INTEGRATIONTIME_13MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_13MS
)},
{
LSTRKEY
(
"INTEGRATIONTIME_101MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_101MS
)},
{
LSTRKEY
(
"INTEGRATIONTIME_402MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_402MS
)},
{
LSTRKEY
(
"GAIN_1X"
),
LNUMVAL
(
TSL2561_GAIN_1X
)},
{
LSTRKEY
(
"GAIN_16X"
),
LNUMVAL
(
TSL2561_GAIN_16X
)},
{
LNILKEY
,
LNILVAL
}
};
...
...
app/tsl2561/tsl2561.c
View file @
fd93a09a
...
...
@@ -62,7 +62,7 @@
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
*/
/**************************************************************************/
#include "tsl2561.h"
#include "platform.h"
...
...
@@ -73,14 +73,12 @@ static bool _tsl2561Initialised = 0;
static
tsl2561IntegrationTime_t
_tsl2561IntegrationTime
=
TSL2561_INTEGRATIONTIME_402MS
;
static
tsl2561Gain_t
_tsl2561Gain
=
TSL2561_GAIN_1X
;
/**************************************************************************/
/*!
@brief Writes an 8 bit values over I2C
*/
*/
/**************************************************************************/
tsl2561Error_t
tsl2561Write8
(
uint8_t
reg
,
uint8_t
value
)
{
tsl2561Error_t
tsl2561Write8
(
uint8_t
reg
,
uint8_t
value
)
{
platform_i2c_send_start
(
tsl2561_i2c_id
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_TRANSMITTER
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
reg
);
...
...
@@ -92,10 +90,9 @@ tsl2561Error_t tsl2561Write8 (uint8_t reg, uint8_t value)
/**************************************************************************/
/*!
@brief Reads a 16 bit values over I2C
*/
*/
/**************************************************************************/
tsl2561Error_t
tsl2561Read16
(
uint8_t
reg
,
uint16_t
*
value
)
{
tsl2561Error_t
tsl2561Read16
(
uint8_t
reg
,
uint16_t
*
value
)
{
platform_i2c_send_start
(
tsl2561_i2c_id
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_TRANSMITTER
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
reg
);
...
...
@@ -108,7 +105,7 @@ tsl2561Error_t tsl2561Read16(uint8_t reg, uint16_t *value)
platform_i2c_send_start
(
tsl2561_i2c_id
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_TRANSMITTER
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
reg
+
1
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
reg
+
1
);
platform_i2c_send_stop
(
tsl2561_i2c_id
);
platform_i2c_send_start
(
tsl2561_i2c_id
);
...
...
@@ -125,36 +122,37 @@ tsl2561Error_t tsl2561Read16(uint8_t reg, uint16_t *value)
/**************************************************************************/
/*!
@brief Enables the device
*/
*/
/**************************************************************************/
tsl2561Error_t
tsl2561Enable
(
void
)
{
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
tsl2561Error_t
tsl2561Enable
(
void
)
{
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
// Enable the device by setting the control bit to 0x03
return
tsl2561Write8
(
TSL2561_COMMAND_BIT
|
TSL2561_REGISTER_CONTROL
,
TSL2561_CONTROL_POWERON
);
return
tsl2561Write8
(
TSL2561_COMMAND_BIT
|
TSL2561_REGISTER_CONTROL
,
TSL2561_CONTROL_POWERON
);
}
/**************************************************************************/
/*!
@brief Disables the device (putting it in lower power sleep mode)
*/
*/
/**************************************************************************/
tsl2561Error_t
tsl2561Disable
(
void
)
{
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
tsl2561Error_t
tsl2561Disable
(
void
)
{
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
// Turn the device off to save power
return
tsl2561Write8
(
TSL2561_COMMAND_BIT
|
TSL2561_REGISTER_CONTROL
,
TSL2561_CONTROL_POWEROFF
);
return
tsl2561Write8
(
TSL2561_COMMAND_BIT
|
TSL2561_REGISTER_CONTROL
,
TSL2561_CONTROL_POWEROFF
);
}
/**************************************************************************/
/*!
@brief Initialises the I2C block
*/
*/
/**************************************************************************/
tsl2561Error_t
tsl2561Init
(
uint8_t
sda
,
uint8_t
scl
)
{
tsl2561Error_t
tsl2561Init
(
uint8_t
sda
,
uint8_t
scl
)
{
// Initialise I2C
platform_i2c_setup
(
tsl2561_i2c_id
,
sda
,
scl
,
PLATFORM_I2C_SPEED_SLOW
);
...
...
@@ -171,21 +169,23 @@ tsl2561Error_t tsl2561Init(uint8_t sda, uint8_t scl)
/**************************************************************************/
/*!
@brief Sets the integration time and gain (controls sensitivity)
*/
*/
/**************************************************************************/
tsl2561Error_t
tsl2561SetTiming
(
tsl2561IntegrationTime_t
integration
,
tsl2561Gain_t
gain
)
{
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
tsl2561Error_t
tsl2561SetTiming
(
tsl2561IntegrationTime_t
integration
,
tsl2561Gain_t
gain
)
{
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
tsl2561Error_t
error
=
TSL2561_ERROR_OK
;
// Enable the device by setting the control bit to 0x03
error
=
tsl2561Enable
();
if
(
error
)
return
error
;
if
(
error
)
return
error
;
// set timing and gain on device
error
=
tsl2561Write8
(
TSL2561_COMMAND_BIT
|
TSL2561_REGISTER_TIMING
,
integration
|
gain
);
if
(
error
)
return
error
;
if
(
error
)
return
error
;
// Update value placeholders
_tsl2561IntegrationTime
=
integration
;
...
...
@@ -193,7 +193,8 @@ tsl2561Error_t tsl2561SetTiming(tsl2561IntegrationTime_t integration, tsl2561Gai
// Turn the device off to save power
error
=
tsl2561Disable
();
if
(
error
)
return
error
;
if
(
error
)
return
error
;
return
error
;
}
...
...
@@ -201,43 +202,48 @@ tsl2561Error_t tsl2561SetTiming(tsl2561IntegrationTime_t integration, tsl2561Gai
/**************************************************************************/
/*!
@brief Reads the luminosity on both channels from the TSL2561
*/
*/
/**************************************************************************/
tsl2561Error_t
tsl2561GetLuminosity
(
uint16_t
*
broadband
,
uint16_t
*
ir
)
{
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
tsl2561Error_t
tsl2561GetLuminosity
(
uint16_t
*
broadband
,
uint16_t
*
ir
)
{
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
tsl2561Error_t
error
=
TSL2561_ERROR_OK
;
// Enable the device by setting the control bit to 0x03
error
=
tsl2561Enable
();
if
(
error
)
return
error
;
if
(
error
)
return
error
;
// Wait x ms for ADC to complete
switch
(
_tsl2561IntegrationTime
)
{
switch
(
_tsl2561IntegrationTime
)
{
case
TSL2561_INTEGRATIONTIME_13MS
:
os_delay_us
(
14000
);
//systickDelay(14);
os_delay_us
(
14000
);
//systickDelay(14);
break
;
case
TSL2561_INTEGRATIONTIME_101MS
:
os_delay_us
(
102000
);
//systickDelay(102);
os_delay_us
(
102000
);
//systickDelay(102);
break
;
default:
os_delay_us
(
404000
);
//systickDelay(404);
os_delay_us
(
404000
);
//systickDelay(404);
break
;
}
// Reads two byte value from channel 0 (visible + infrared)
error
=
tsl2561Read16
(
TSL2561_COMMAND_BIT
|
TSL2561_WORD_BIT
|
TSL2561_REGISTER_CHAN0_LOW
,
broadband
);
if
(
error
)
return
error
;
error
=
tsl2561Read16
(
TSL2561_COMMAND_BIT
|
TSL2561_WORD_BIT
|
TSL2561_REGISTER_CHAN0_LOW
,
broadband
);
if
(
error
)
return
error
;
// Reads two byte value from channel 1 (infrared)
error
=
tsl2561Read16
(
TSL2561_COMMAND_BIT
|
TSL2561_WORD_BIT
|
TSL2561_REGISTER_CHAN1_LOW
,
ir
);
if
(
error
)
return
error
;
error
=
tsl2561Read16
(
TSL2561_COMMAND_BIT
|
TSL2561_WORD_BIT
|
TSL2561_REGISTER_CHAN1_LOW
,
ir
);
if
(
error
)
return
error
;
// Turn the device off to save power
error
=
tsl2561Disable
();
if
(
error
)
return
error
;
if
(
error
)
return
error
;
return
error
;
}
...
...
@@ -246,16 +252,14 @@ tsl2561Error_t tsl2561GetLuminosity (uint16_t *broadband, uint16_t *ir)
/*!
@brief Calculates LUX from the supplied ch0 (broadband) and ch1
(IR) readings
*/
*/
/**************************************************************************/
uint32_t
tsl2561CalculateLux
(
uint16_t
ch0
,
uint16_t
ch1
)
{
uint32_t
tsl2561CalculateLux
(
uint16_t
ch0
,
uint16_t
ch1
)
{
unsigned
long
chScale
;
unsigned
long
channel1
;
unsigned
long
channel0
;
switch
(
_tsl2561IntegrationTime
)
{
switch
(
_tsl2561IntegrationTime
)
{
case
TSL2561_INTEGRATIONTIME_13MS
:
chScale
=
TSL2561_LUX_CHSCALE_TINT0
;
break
;
...
...
@@ -268,7 +272,8 @@ uint32_t tsl2561CalculateLux(uint16_t ch0, uint16_t ch1)
}
// Scale for gain (1x or 16x)
if
(
!
_tsl2561Gain
)
chScale
=
chScale
<<
4
;
if
(
!
_tsl2561Gain
)
chScale
=
chScale
<<
4
;
// scale the channel values
channel0
=
(
ch0
*
chScale
)
>>
TSL2561_LUX_CHSCALE
;
...
...
@@ -276,7 +281,8 @@ uint32_t tsl2561CalculateLux(uint16_t ch0, uint16_t ch1)
// find the ratio of the channel values (Channel1/Channel0)
unsigned
long
ratio1
=
0
;
if
(
channel0
!=
0
)
ratio1
=
(
channel1
<<
(
TSL2561_LUX_RATIOSCALE
+
1
))
/
channel0
;
if
(
channel0
!=
0
)
ratio1
=
(
channel1
<<
(
TSL2561_LUX_RATIOSCALE
+
1
))
/
channel0
;
// round the ratio value
unsigned
long
ratio
=
(
ratio1
+
1
)
>>
1
;
...
...
@@ -284,49 +290,59 @@ uint32_t tsl2561CalculateLux(uint16_t ch0, uint16_t ch1)
unsigned
int
b
,
m
;
#ifdef TSL2561_PACKAGE_CS
if
((
ratio
>=
0
)
&&
(
ratio
<=
TSL2561_LUX_K1C
))
{
b
=
TSL2561_LUX_B1C
;
m
=
TSL2561_LUX_M1C
;}
else
if
(
ratio
<=
TSL2561_LUX_K2C
)
{
b
=
TSL2561_LUX_B2C
;
m
=
TSL2561_LUX_M2C
;}
else
if
(
ratio
<=
TSL2561_LUX_K3C
)
{
b
=
TSL2561_LUX_B3C
;
m
=
TSL2561_LUX_M3C
;}
else
if
(
ratio
<=
TSL2561_LUX_K4C
)
{
b
=
TSL2561_LUX_B4C
;
m
=
TSL2561_LUX_M4C
;}
else
if
(
ratio
<=
TSL2561_LUX_K5C
)
{
b
=
TSL2561_LUX_B5C
;
m
=
TSL2561_LUX_M5C
;}
else
if
(
ratio
<=
TSL2561_LUX_K6C
)
{
b
=
TSL2561_LUX_B6C
;
m
=
TSL2561_LUX_M6C
;}
else
if
(
ratio
<=
TSL2561_LUX_K7C
)
{
b
=
TSL2561_LUX_B7C
;
m
=
TSL2561_LUX_M7C
;}
else
if
(
ratio
>
TSL2561_LUX_K8C
)
{
b
=
TSL2561_LUX_B8C
;
m
=
TSL2561_LUX_M8C
;}
if
((
ratio
>=
0
)
&&
(
ratio
<=
TSL2561_LUX_K1C
))
{
b
=
TSL2561_LUX_B1C
;
m
=
TSL2561_LUX_M1C
;
}
else
if
(
ratio
<=
TSL2561_LUX_K2C
)
{
b
=
TSL2561_LUX_B2C
;
m
=
TSL2561_LUX_M2C
;
}
else
if
(
ratio
<=
TSL2561_LUX_K3C
)
{
b
=
TSL2561_LUX_B3C
;
m
=
TSL2561_LUX_M3C
;
}
else
if
(
ratio
<=
TSL2561_LUX_K4C
)
{
b
=
TSL2561_LUX_B4C
;
m
=
TSL2561_LUX_M4C
;
}
else
if
(
ratio
<=
TSL2561_LUX_K5C
)
{
b
=
TSL2561_LUX_B5C
;
m
=
TSL2561_LUX_M5C
;
}
else
if
(
ratio
<=
TSL2561_LUX_K6C
)
{
b
=
TSL2561_LUX_B6C
;
m
=
TSL2561_LUX_M6C
;
}
else
if
(
ratio
<=
TSL2561_LUX_K7C
)
{
b
=
TSL2561_LUX_B7C
;
m
=
TSL2561_LUX_M7C
;
}
else
if
(
ratio
>
TSL2561_LUX_K8C
)
{
b
=
TSL2561_LUX_B8C
;
m
=
TSL2561_LUX_M8C
;
}
#else
if
((
ratio
>=
0
)
&&
(
ratio
<=
TSL2561_LUX_K1T
))
{
b
=
TSL2561_LUX_B1T
;
m
=
TSL2561_LUX_M1T
;}
{
b
=
TSL2561_LUX_B1T
;
m
=
TSL2561_LUX_M1T
;}
else
if
(
ratio
<=
TSL2561_LUX_K2T
)
{
b
=
TSL2561_LUX_B2T
;
m
=
TSL2561_LUX_M2T
;}
{
b
=
TSL2561_LUX_B2T
;
m
=
TSL2561_LUX_M2T
;}
else
if
(
ratio
<=
TSL2561_LUX_K3T
)
{
b
=
TSL2561_LUX_B3T
;
m
=
TSL2561_LUX_M3T
;}
{
b
=
TSL2561_LUX_B3T
;
m
=
TSL2561_LUX_M3T
;}
else
if
(
ratio
<=
TSL2561_LUX_K4T
)
{
b
=
TSL2561_LUX_B4T
;
m
=
TSL2561_LUX_M4T
;}
{
b
=
TSL2561_LUX_B4T
;
m
=
TSL2561_LUX_M4T
;}
else
if
(
ratio
<=
TSL2561_LUX_K5T
)
{
b
=
TSL2561_LUX_B5T
;
m
=
TSL2561_LUX_M5T
;}
{
b
=
TSL2561_LUX_B5T
;
m
=
TSL2561_LUX_M5T
;}
else
if
(
ratio
<=
TSL2561_LUX_K6T
)
{
b
=
TSL2561_LUX_B6T
;
m
=
TSL2561_LUX_M6T
;}
{
b
=
TSL2561_LUX_B6T
;
m
=
TSL2561_LUX_M6T
;}
else
if
(
ratio
<=
TSL2561_LUX_K7T
)
{
b
=
TSL2561_LUX_B7T
;
m
=
TSL2561_LUX_M7T
;}
{
b
=
TSL2561_LUX_B7T
;
m
=
TSL2561_LUX_M7T
;}
else
if
(
ratio
>
TSL2561_LUX_K8T
)
{
b
=
TSL2561_LUX_B8T
;
m
=
TSL2561_LUX_M8T
;}
{
b
=
TSL2561_LUX_B8T
;
m
=
TSL2561_LUX_M8T
;}
#endif
unsigned
long
temp
;
temp
=
((
channel0
*
b
)
-
(
channel1
*
m
));
// do not allow negative lux value
if
(
temp
<
0
)
temp
=
0
;
if
(
temp
<
0
)
temp
=
0
;
// round lsb (2^(LUX_SCALE-1))
temp
+=
(
1
<<
(
TSL2561_LUX_LUXSCALE
-
1
));
temp
+=
(
1
<<
(
TSL2561_LUX_LUXSCALE
-
1
));
// strip off fractional portion
uint32_t
lux
=
temp
>>
TSL2561_LUX_LUXSCALE
;
...
...
Write
Preview
Markdown
is supported
0%
Try again
or
attach a new file
.
Attach a file
Cancel
You are about to add
0
people
to the discussion. Proceed with caution.
Finish editing this message first!
Cancel
Please
register
or
sign in
to comment