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ruanhaishen
Nodemcu Firmware
Commits
fd93a09a
Commit
fd93a09a
authored
Aug 23, 2015
by
aeprox
Browse files
Code formatting fixes
parent
0caf745d
Changes
4
Hide whitespace changes
Inline
Side-by-side
app/Makefile
View file @
fd93a09a
...
@@ -93,7 +93,6 @@ COMPONENTS_eagle.app.v6 = \
...
@@ -93,7 +93,6 @@ COMPONENTS_eagle.app.v6 = \
dhtlib/libdhtlib.a
\
dhtlib/libdhtlib.a
\
tsl2561/tsl2561lib.a
\
tsl2561/tsl2561lib.a
\
modules/libmodules.a
modules/libmodules.a
LINKFLAGS_eagle.app.v6
=
\
LINKFLAGS_eagle.app.v6
=
\
-L
../lib
\
-L
../lib
\
...
...
app/modules/modules.h
View file @
fd93a09a
...
@@ -257,5 +257,6 @@
...
@@ -257,5 +257,6 @@
ROM_MODULES_RTCFIFO \
ROM_MODULES_RTCFIFO \
ROM_MODULES_SNTP \
ROM_MODULES_SNTP \
ROM_MODULES_BMP085 \
ROM_MODULES_BMP085 \
ROM_MODULES_TSL2561
ROM_MODULES_TSL2561
#endif
#endif
app/modules/tsl2561.c
View file @
fd93a09a
...
@@ -2,7 +2,7 @@
...
@@ -2,7 +2,7 @@
* tsl2561.c
* tsl2561.c
*
*
* Created on: Aug 21, 2015
* Created on: Aug 21, 2015
*
Author: Michael Lucas (Aeprox @github)
* Author: Michael Lucas (Aeprox @github)
*/
*/
#include "lualib.h"
#include "lualib.h"
#include "lauxlib.h"
#include "lauxlib.h"
...
@@ -14,70 +14,69 @@
...
@@ -14,70 +14,69 @@
static
uint16_t
ch0
;
static
uint16_t
ch0
;
static
uint16_t
ch1
;
static
uint16_t
ch1
;
/*
/*
* Lua:
error = tsl2561.init(sdapin, sclpin)
* Lua: error = tsl2561.init(sdapin, sclpin)
*/
*/
static
int
ICACHE_FLASH_ATTR
tsl2561_init
(
lua_State
*
L
)
{
static
int
ICACHE_FLASH_ATTR
tsl2561_init
(
lua_State
*
L
)
{
uint32_t
sda
;
uint32_t
sda
;
uint32_t
scl
;
uint32_t
scl
;
if
(
!
lua_isnumber
(
L
,
1
)
||
!
lua_isnumber
(
L
,
2
))
{
if
(
!
lua_isnumber
(
L
,
1
)
||
!
lua_isnumber
(
L
,
2
))
{
return
luaL_error
(
L
,
"wrong arg range"
);
return
luaL_error
(
L
,
"wrong arg range"
);
}
}
sda
=
luaL_checkinteger
(
L
,
1
);
sda
=
luaL_checkinteger
(
L
,
1
);
scl
=
luaL_checkinteger
(
L
,
2
);
scl
=
luaL_checkinteger
(
L
,
2
);
if
(
scl
==
0
||
sda
==
0
)
{
if
(
scl
==
0
||
sda
==
0
)
{
return
luaL_error
(
L
,
"no i2c for D0"
);
return
luaL_error
(
L
,
"no i2c for D0"
);
}
}
uint8_t
error
=
tsl2561Init
(
sda
,
scl
);
uint8_t
error
=
tsl2561Init
(
sda
,
scl
);
lua_pushnumber
(
L
,
error
);
lua_pushnumber
(
L
,
error
);
return
1
;
return
1
;
}
}
/*
/*
* Lua:
error = tsl2561.settiming(integration, gain)
* Lua: error = tsl2561.settiming(integration, gain)
*/
*/
static
int
ICACHE_FLASH_ATTR
tsl2561_lua_settiming
(
lua_State
*
L
)
{
static
int
ICACHE_FLASH_ATTR
tsl2561_lua_settiming
(
lua_State
*
L
)
{
// check variables
// check variables
if
(
!
lua_isnumber
(
L
,
1
)
||
!
lua_isnumber
(
L
,
2
))
{
if
(
!
lua_isnumber
(
L
,
1
)
||
!
lua_isnumber
(
L
,
2
))
{
return
luaL_error
(
L
,
"wrong arg range"
);
return
luaL_error
(
L
,
"wrong arg range"
);
}
}
uint8_t
integration
=
luaL_checkinteger
(
L
,
1
);
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"
);
return
luaL_error
(
L
,
"wrong range for arg integration"
);
}
}
uint8_t
gain
=
luaL_checkinteger
(
L
,
2
);
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"
);
return
luaL_error
(
L
,
"wrong range for arg gain"
);
}
}
lua_pushnumber
(
L
,
tsl2561SetTiming
(
integration
,
gain
)
);
lua_pushnumber
(
L
,
tsl2561SetTiming
(
integration
,
gain
));
return
1
;
return
1
;
}
}
/*
/*
* Lua:
lux, error = tsl2561.getlux()
* Lua: lux, error = tsl2561.getlux()
*/
*/
static
int
ICACHE_FLASH_ATTR
tsl2561_lua_calclux
(
lua_State
*
L
)
{
static
int
ICACHE_FLASH_ATTR
tsl2561_lua_calclux
(
lua_State
*
L
)
{
uint8_t
error
=
tsl2561GetLuminosity
(
&
ch0
,
&
ch1
);
uint8_t
error
=
tsl2561GetLuminosity
(
&
ch0
,
&
ch1
);
if
(
error
){
if
(
error
)
{
lua_pushnumber
(
L
,
0
);
lua_pushnumber
(
L
,
0
);
lua_pushnumber
(
L
,
error
);
lua_pushnumber
(
L
,
error
);
}
}
else
{
else
{
lua_pushnumber
(
L
,
tsl2561CalculateLux
(
ch0
,
ch1
));
lua_pushnumber
(
L
,
tsl2561CalculateLux
(
ch0
,
ch1
));
lua_pushnumber
(
L
,
error
);
lua_pushnumber
(
L
,
error
);
}
}
return
2
;
return
2
;
}
}
/*
/*
* Lua:
tsl2561.getrawchannels()
* Lua: tsl2561.getrawchannels()
*/
*/
static
int
ICACHE_FLASH_ATTR
tsl2561_lua_getchannels
(
lua_State
*
L
)
{
static
int
ICACHE_FLASH_ATTR
tsl2561_lua_getchannels
(
lua_State
*
L
)
{
uint8_t
error
=
tsl2561GetLuminosity
(
&
ch0
,
&
ch1
);
uint8_t
error
=
tsl2561GetLuminosity
(
&
ch0
,
&
ch1
);
lua_pushnumber
(
L
,
ch0
);
lua_pushnumber
(
L
,
ch0
);
lua_pushnumber
(
L
,
ch1
);
lua_pushnumber
(
L
,
ch1
);
lua_pushnumber
(
L
,
error
);
lua_pushnumber
(
L
,
error
);
return
3
;
return
3
;
}
}
...
@@ -86,27 +85,27 @@ static int ICACHE_FLASH_ATTR tsl2561_lua_getchannels(lua_State* L) {
...
@@ -86,27 +85,27 @@ static int ICACHE_FLASH_ATTR tsl2561_lua_getchannels(lua_State* L) {
#include "lrodefs.h"
#include "lrodefs.h"
const
LUA_REG_TYPE
tsl2561_map
[]
=
const
LUA_REG_TYPE
tsl2561_map
[]
=
{
{
{
LSTRKEY
(
"settiming"
),
LFUNCVAL
(
tsl2561_lua_settiming
)},
{
LSTRKEY
(
"settiming"
),
LFUNCVAL
(
tsl2561_lua_settiming
)},
{
LSTRKEY
(
"getlux"
),
LFUNCVAL
(
tsl2561_lua_calclux
)},
{
LSTRKEY
(
"getlux"
),
LFUNCVAL
(
tsl2561_lua_calclux
)},
{
LSTRKEY
(
"getrawchannels"
),
LFUNCVAL
(
tsl2561_lua_getchannels
)},
{
LSTRKEY
(
"getrawchannels"
),
LFUNCVAL
(
tsl2561_lua_getchannels
)},
{
LSTRKEY
(
"init"
),
LFUNCVAL
(
tsl2561_init
)},
{
LSTRKEY
(
"init"
),
LFUNCVAL
(
tsl2561_init
)},
{
LSTRKEY
(
"TSL2561_OK"
),
LNUMVAL
(
TSL2561_ERROR_OK
)
},
{
LSTRKEY
(
"TSL2561_OK"
),
LNUMVAL
(
TSL2561_ERROR_OK
)},
{
LSTRKEY
(
"TSL2561_ERROR_I2CINIT"
),
LNUMVAL
(
TSL2561_ERROR_I2CINIT
)
},
{
LSTRKEY
(
"TSL2561_ERROR_I2CINIT"
),
LNUMVAL
(
TSL2561_ERROR_I2CINIT
)},
{
LSTRKEY
(
"TSL2561_ERROR_I2CBUSY"
),
LNUMVAL
(
TSL2561_ERROR_I2CBUSY
)
},
{
LSTRKEY
(
"TSL2561_ERROR_I2CBUSY"
),
LNUMVAL
(
TSL2561_ERROR_I2CBUSY
)},
{
LSTRKEY
(
"TSL2561_ERROR_NOINIT"
),
LNUMVAL
(
TSL2561_ERROR_NOINIT
)
},
{
LSTRKEY
(
"TSL2561_ERROR_NOINIT"
),
LNUMVAL
(
TSL2561_ERROR_NOINIT
)},
{
LSTRKEY
(
"TSL2561_ERROR_LAST"
),
LNUMVAL
(
TSL2561_ERROR_LAST
)
},
{
LSTRKEY
(
"TSL2561_ERROR_LAST"
),
LNUMVAL
(
TSL2561_ERROR_LAST
)},
{
LSTRKEY
(
"INTEGRATIONTIME_13MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_13MS
)
},
{
LSTRKEY
(
"INTEGRATIONTIME_13MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_13MS
)},
{
LSTRKEY
(
"INTEGRATIONTIME_101MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_101MS
)
},
{
LSTRKEY
(
"INTEGRATIONTIME_101MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_101MS
)},
{
LSTRKEY
(
"INTEGRATIONTIME_402MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_402MS
)
},
{
LSTRKEY
(
"INTEGRATIONTIME_402MS"
),
LNUMVAL
(
TSL2561_INTEGRATIONTIME_402MS
)},
{
LSTRKEY
(
"GAIN_1X"
),
LNUMVAL
(
TSL2561_GAIN_1X
)
},
{
LSTRKEY
(
"GAIN_1X"
),
LNUMVAL
(
TSL2561_GAIN_1X
)},
{
LSTRKEY
(
"GAIN_16X"
),
LNUMVAL
(
TSL2561_GAIN_16X
)
},
{
LSTRKEY
(
"GAIN_16X"
),
LNUMVAL
(
TSL2561_GAIN_16X
)},
{
LNILKEY
,
LNILVAL
}
{
LNILKEY
,
LNILVAL
}
};
};
LUALIB_API
int
luaopen_tsl2561
(
lua_State
*
L
)
{
LUALIB_API
int
luaopen_tsl2561
(
lua_State
*
L
)
{
LREGISTER
(
L
,
"tsl2561"
,
tsl2561_map
);
LREGISTER
(
L
,
"tsl2561"
,
tsl2561_map
);
return
1
;
return
1
;
}
}
app/tsl2561/tsl2561.c
View file @
fd93a09a
/**************************************************************************/
/**************************************************************************/
/*!
/*!
@file tsl2561.c
@file tsl2561.c
@author K. Townsend (microBuilder.eu)/ Adapted for nodeMCU by Michael Lucas (Aeprox @github)
@author K. Townsend (microBuilder.eu)/ Adapted for nodeMCU by Michael Lucas (Aeprox @github)
@brief Drivers for the TAOS TSL2561 I2C digital luminosity sensor
@brief Drivers for the TAOS TSL2561 I2C digital luminosity sensor
@section DESCRIPTION
@section DESCRIPTION
The TSL2561 is a 16-bit digital luminosity sensor the approximates
The TSL2561 is a 16-bit digital luminosity sensor the approximates
the human eye's response to light. It contains one broadband
the human eye's response to light. It contains one broadband
photodiode that measures visible plus infrared light (channel 0)
photodiode that measures visible plus infrared light (channel 0)
and one infrared photodiode (channel 1).
and one infrared photodiode (channel 1).
@section EXAMPLE
@section EXAMPLE
@code
@code
#include "drivers/sensors/tsl2561/tsl2561.h"
#include "drivers/sensors/tsl2561/tsl2561.h"
...
...
uint16_t broadband, ir;
uint16_t broadband, ir;
uint32_t lux;
uint32_t lux;
// Initialise luminosity sensor
// Initialise luminosity sensor
tsl2561Init(sda_pin, scl_pin);
tsl2561Init(sda_pin, scl_pin);
// Optional ... default setting is 400ms with no gain
// Optional ... default setting is 400ms with no gain
// Set timing to 101ms with no gain
// Set timing to 101ms with no gain
tsl2561SetTiming(TSL2561_INTEGRATIONTIME_101MS, TSL2561_GAIN_0X);
tsl2561SetTiming(TSL2561_INTEGRATIONTIME_101MS, TSL2561_GAIN_0X);
// Check luminosity level and calculate lux
// Check luminosity level and calculate lux
tsl2561GetLuminosity(&broadband, &ir);
tsl2561GetLuminosity(&broadband, &ir);
lux = tsl2561CalculateLux(broadband, ir);
lux = tsl2561CalculateLux(broadband, ir);
printf("Broadband: %u, IR: %u, Lux: %d %s", broadband, ir, lux, CFG_PRINTF_NEWLINE);
printf("Broadband: %u, IR: %u, Lux: %d %s", broadband, ir, lux, CFG_PRINTF_NEWLINE);
@endcode
@endcode
@section LICENSE
@section LICENSE
Software License Agreement (BSD License)
Software License Agreement (BSD License)
Copyright (c) 2010, microBuilder SARL
Copyright (c) 2010, microBuilder SARL
All rights reserved.
All rights reserved.
Redistribution and use in source and binary forms, with or without
Redistribution and use in source and binary forms, with or without
modification, are permitted provided that the following conditions are met:
modification, are permitted provided that the following conditions are met:
1. Redistributions of source code must retain the above copyright
1. Redistributions of source code must retain the above copyright
notice, this list of conditions and the following disclaimer.
notice, this list of conditions and the following disclaimer.
2. Redistributions in binary form must reproduce the above copyright
2. Redistributions in binary form must reproduce the above copyright
notice, this list of conditions and the following disclaimer in the
notice, this list of conditions and the following disclaimer in the
documentation and/or other materials provided with the distribution.
documentation and/or other materials provided with the distribution.
3. Neither the name of the copyright holders nor the
3. Neither the name of the copyright holders nor the
names of its contributors may be used to endorse or promote products
names of its contributors may be used to endorse or promote products
derived from this software without specific prior written permission.
derived from this software without specific prior written permission.
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS ''AS IS'' AND ANY
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER BE LIABLE FOR ANY
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
(INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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
(INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
*/
/**************************************************************************/
/**************************************************************************/
#include "tsl2561.h"
#include "tsl2561.h"
#include "platform.h"
#include "platform.h"
...
@@ -73,264 +73,280 @@ static bool _tsl2561Initialised = 0;
...
@@ -73,264 +73,280 @@ static bool _tsl2561Initialised = 0;
static
tsl2561IntegrationTime_t
_tsl2561IntegrationTime
=
TSL2561_INTEGRATIONTIME_402MS
;
static
tsl2561IntegrationTime_t
_tsl2561IntegrationTime
=
TSL2561_INTEGRATIONTIME_402MS
;
static
tsl2561Gain_t
_tsl2561Gain
=
TSL2561_GAIN_1X
;
static
tsl2561Gain_t
_tsl2561Gain
=
TSL2561_GAIN_1X
;
/**************************************************************************/
/**************************************************************************/
/*!
/*!
@brief Writes an 8 bit values over I2C
@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_start
(
tsl2561_i2c_id
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_TRANSMITTER
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_TRANSMITTER
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
reg
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
reg
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
value
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
value
);
platform_i2c_send_stop
(
tsl2561_i2c_id
);
platform_i2c_send_stop
(
tsl2561_i2c_id
);
return
TSL2561_ERROR_OK
;
return
TSL2561_ERROR_OK
;
}
}
/**************************************************************************/
/**************************************************************************/
/*!
/*!
@brief Reads a 16 bit values over I2C
@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_start
(
tsl2561_i2c_id
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_TRANSMITTER
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_TRANSMITTER
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
reg
);
platform_i2c_send_byte
(
tsl2561_i2c_id
,
reg
);
platform_i2c_send_stop
(
tsl2561_i2c_id
);
platform_i2c_send_stop
(
tsl2561_i2c_id
);
platform_i2c_send_start
(
tsl2561_i2c_id
);
platform_i2c_send_start
(
tsl2561_i2c_id
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_RECEIVER
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_RECEIVER
);
uint8_t
ch_low
=
platform_i2c_recv_byte
(
tsl2561_i2c_id
,
0
);
uint8_t
ch_low
=
platform_i2c_recv_byte
(
tsl2561_i2c_id
,
0
);
platform_i2c_send_stop
(
tsl2561_i2c_id
);
platform_i2c_send_stop
(
tsl2561_i2c_id
);
platform_i2c_send_start
(
tsl2561_i2c_id
);
platform_i2c_send_start
(
tsl2561_i2c_id
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_TRANSMITTER
);
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_stop
(
tsl2561_i2c_id
);
platform_i2c_send_start
(
tsl2561_i2c_id
);
platform_i2c_send_start
(
tsl2561_i2c_id
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_RECEIVER
);
platform_i2c_send_address
(
tsl2561_i2c_id
,
TSL2561_ADDRESS
,
PLATFORM_I2C_DIRECTION_RECEIVER
);
uint8_t
ch_high
=
platform_i2c_recv_byte
(
tsl2561_i2c_id
,
0
);
uint8_t
ch_high
=
platform_i2c_recv_byte
(
tsl2561_i2c_id
,
0
);
platform_i2c_send_stop
(
tsl2561_i2c_id
);
platform_i2c_send_stop
(
tsl2561_i2c_id
);
// Shift values to create properly formed integer (low byte first)
// Shift values to create properly formed integer (low byte first)
*
value
=
(
ch_low
|
(
ch_high
<<
8
));
*
value
=
(
ch_low
|
(
ch_high
<<
8
));
return
TSL2561_ERROR_OK
;
return
TSL2561_ERROR_OK
;
}
}
/**************************************************************************/
/**************************************************************************/
/*!
/*!
@brief Enables the device
@brief Enables the device
*/
*/
/**************************************************************************/
/**************************************************************************/
tsl2561Error_t
tsl2561Enable
(
void
)
tsl2561Error_t
tsl2561Enable
(
void
)
{
{
if
(
!
_tsl2561Initialised
)
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
return
TSL2561_ERROR_NOINIT
;
// Enable the device by setting the control bit to 0x03
// 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)
@brief Disables the device (putting it in lower power sleep mode)
*/
*/
/**************************************************************************/
/**************************************************************************/
tsl2561Error_t
tsl2561Disable
(
void
)
tsl2561Error_t
tsl2561Disable
(
void
)
{
{
if
(
!
_tsl2561Initialised
)
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
return
TSL2561_ERROR_NOINIT
;
// Turn the device off to save power
// 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
@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
// Initialise I2C
platform_i2c_setup
(
tsl2561_i2c_id
,
sda
,
scl
,
PLATFORM_I2C_SPEED_SLOW
);
platform_i2c_setup
(
tsl2561_i2c_id
,
sda
,
scl
,
PLATFORM_I2C_SPEED_SLOW
);
_tsl2561Initialised
=
1
;
// Set default integration time and gain
_tsl2561Initialised
=
1
;
tsl2561SetTiming
(
_tsl2561IntegrationTime
,
_tsl2561Gain
);
// Set default integration time and gain
tsl2561SetTiming
(
_tsl2561IntegrationTime
,
_tsl2561Gain
);
// Note: by default, the device is in power down mode on bootup
// Note: by default, the device is in power down mode on bootup
return
TSL2561_ERROR_OK
;
return
TSL2561_ERROR_OK
;
}
}
/**************************************************************************/
/**************************************************************************/
/*!
/*!
@brief Sets the integration time and gain (controls sensitivity)
@brief Sets the integration time and gain (controls sensitivity)
*/
*/
/**************************************************************************/
/**************************************************************************/
tsl2561Error_t
tsl2561SetTiming
(
tsl2561IntegrationTime_t
integration
,
tsl2561Gain_t
gain
)
tsl2561Error_t
tsl2561SetTiming
(
tsl2561IntegrationTime_t
integration
,
tsl2561Gain_t
gain
)
{
{
if
(
!
_tsl2561Initialised
)
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
return
TSL2561_ERROR_NOINIT
;
tsl2561Error_t
error
=
TSL2561_ERROR_OK
;
tsl2561Error_t
error
=
TSL2561_ERROR_OK
;
// Enable the device by setting the control bit to 0x03
// Enable the device by setting the control bit to 0x03
error
=
tsl2561Enable
();
error
=
tsl2561Enable
();
if
(
error
)
return
error
;
if
(
error
)
return
error
;
// set timing and gain on device
// set timing and gain on device
error
=
tsl2561Write8
(
TSL2561_COMMAND_BIT
|
TSL2561_REGISTER_TIMING
,
integration
|
gain
);
error
=
tsl2561Write8
(
TSL2561_COMMAND_BIT
|
TSL2561_REGISTER_TIMING
,
integration
|
gain
);
if
(
error
)
return
error
;
if
(
error
)
return
error
;
// Update value placeholders
// Update value placeholders
_tsl2561IntegrationTime
=
integration
;
_tsl2561IntegrationTime
=
integration
;
_tsl2561Gain
=
gain
;
_tsl2561Gain
=
gain
;
// Turn the device off to save power
// Turn the device off to save power
error
=
tsl2561Disable
();
error
=
tsl2561Disable
();
if
(
error
)
return
error
;
if
(
error
)
return
error
;
return
error
;
return
error
;
}
}
/**************************************************************************/
/**************************************************************************/
/*!
/*!
@brief Reads the luminosity on both channels from the TSL2561
@brief Reads the luminosity on both channels from the TSL2561
*/
*/
/**************************************************************************/
/**************************************************************************/
tsl2561Error_t
tsl2561GetLuminosity
(
uint16_t
*
broadband
,
uint16_t
*
ir
)
tsl2561Error_t
tsl2561GetLuminosity
(
uint16_t
*
broadband
,
uint16_t
*
ir
)
{
{
if
(
!
_tsl2561Initialised
)
if
(
!
_tsl2561Initialised
)
return
TSL2561_ERROR_NOINIT
;
return
TSL2561_ERROR_NOINIT
;
tsl2561Error_t
error
=
TSL2561_ERROR_OK
;
tsl2561Error_t
error
=
TSL2561_ERROR_OK
;
// Enable the device by setting the control bit to 0x03
// Enable the device by setting the control bit to 0x03
error
=
tsl2561Enable
();
error
=
tsl2561Enable
();
if
(
error
)
return
error
;
if
(
error
)
return
error
;
// Wait x ms for ADC to complete
switch
(
_tsl2561IntegrationTime
)
// Wait x ms for ADC to complete
{
switch
(
_tsl2561IntegrationTime
)
{
case
TSL2561_INTEGRATIONTIME_13MS
:
case
TSL2561_INTEGRATIONTIME_13MS
:
os_delay_us
(
14000
);
//systickDelay(14);
os_delay_us
(
14000
);
//systickDelay(14);
break
;
break
;
case
TSL2561_INTEGRATIONTIME_101MS
:
case
TSL2561_INTEGRATIONTIME_101MS
:
os_delay_us
(
102000
);
//systickDelay(102);
os_delay_us
(
102000
);
//systickDelay(102);
break
;
break
;
default:
default:
os_delay_us
(
404000
);
//systickDelay(404);
os_delay_us
(
404000
);
//systickDelay(404);
break
;
break
;
}
}
// Reads two byte value from channel 0 (visible + infrared)
// Reads two byte value from channel 0 (visible + infrared)
error
=
tsl2561Read16
(
TSL2561_COMMAND_BIT
|
TSL2561_WORD_BIT
|
TSL2561_REGISTER_CHAN0_LOW
,
broadband
);
error
=
tsl2561Read16
(
if
(
error
)
return
error
;
TSL2561_COMMAND_BIT
|
TSL2561_WORD_BIT
|
TSL2561_REGISTER_CHAN0_LOW
,
broadband
);
if
(
error
)
// Reads two byte value from channel 1 (infrared)
return
error
;
error
=
tsl2561Read16
(
TSL2561_COMMAND_BIT
|
TSL2561_WORD_BIT
|
TSL2561_REGISTER_CHAN1_LOW
,
ir
);
if
(
error
)
return
error
;
// Reads two byte value from channel 1 (infrared)
error
=
tsl2561Read16
(
// Turn the device off to save power
TSL2561_COMMAND_BIT
|
TSL2561_WORD_BIT
|
TSL2561_REGISTER_CHAN1_LOW
,
ir
);
error
=
tsl2561Disable
();
if
(
error
)
if
(
error
)
return
error
;
return
error
;
return
error
;
// Turn the device off to save power
error
=
tsl2561Disable
();
if
(
error
)
return
error
;
return
error
;
}
}
/**************************************************************************/
/**************************************************************************/
/*!
/*!
@brief Calculates LUX from the supplied ch0 (broadband) and ch1
@brief Calculates LUX from the supplied ch0 (broadband) and ch1
(IR) readings
(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
ch
Scale
;
unsigned
long
ch
annel1
;
unsigned
long
channel
1
;
unsigned
long
channel
0
;
unsigned
long
channel0
;
switch
(
_tsl2561IntegrationTime
)
{
switch
(
_tsl2561IntegrationTime
)
case
TSL2561_INTEGRATIONTIME_13MS
:
{
chScale
=
TSL2561_LUX_CHSCALE_TINT0
;
case
TSL2561_INTEGRATIONTIME_13MS
:
break
;
chScale
=
TSL2561_LUX_CHSCALE_
TINT
0
;
case
TSL2561_INTEGRA
TI
O
NT
IME_101MS
:
break
;
chScale
=
TSL2561_LUX_CHSCALE_TINT1
;
case
TSL2561_INTEGRATIONTIME_101MS
:
break
;
chScale
=
TSL2561_LUX_CHSCALE_TINT1
;
default:
// No scaling ... integration time = 402ms
break
;
chScale
=
(
1
<<
TSL2561_LUX_CHSCALE
)
;
default:
// No scaling ... integration time = 402ms
break
;
chScale
=
(
1
<<
TSL2561_LUX_CHSCALE
);
}
break
;
}
// Scale for gain (1x or 16x)
if
(
!
_tsl2561Gain
)
//
Scale
for gain (1x or 16x)
ch
Scale
=
chScale
<<
4
;
if
(
!
_tsl2561Gain
)
chScale
=
chScale
<<
4
;
// scale the channel values
// scale the channel values
channel0
=
(
ch0
*
chScale
)
>>
TSL2561_LUX_CHSCALE
;
channel
0
=
(
ch
0
*
chScale
)
>>
TSL2561_LUX_CHSCALE
;
channel
1
=
(
ch
1
*
chScale
)
>>
TSL2561_LUX_CHSCALE
;
channel1
=
(
ch1
*
chScale
)
>>
TSL2561_LUX_CHSCALE
;
// find the ratio of the channel values (Channel1/Channel0)
// find the ratio of the channel values (Channel1/Channel0)
unsigned
long
ratio1
=
0
;
unsigned
long
ratio1
=
0
;
if
(
channel0
!
=
0
)
if
(
channel0
!=
0
)
ratio1
=
(
channel1
<<
(
TSL2561_LUX_RATIOSCALE
+
1
))
/
channel0
;
ratio1
=
(
channel1
<<
(
TSL2561_LUX_RATIOSCALE
+
1
))
/
channel0
;
// round the ratio value
// round the ratio value
unsigned
long
ratio
=
(
ratio1
+
1
)
>>
1
;
unsigned
long
ratio
=
(
ratio1
+
1
)
>>
1
;
unsigned
int
b
,
m
;
unsigned
int
b
,
m
;
#ifdef TSL2561_PACKAGE_CS
#ifdef TSL2561_PACKAGE_CS
if
((
ratio
>=
0
)
&&
(
ratio
<=
TSL2561_LUX_K1C
))
if
((
ratio
>=
0
)
&&
(
ratio
<=
TSL2561_LUX_K1C
))
{
{
b
=
TSL2561_LUX_B1C
;
m
=
TSL2561_LUX_M1C
;}
b
=
TSL2561_LUX_B1C
;
else
if
(
ratio
<=
TSL2561_LUX_K2C
)
m
=
TSL2561_LUX_M1C
;
{
b
=
TSL2561_LUX_B2C
;
m
=
TSL2561_LUX_M2C
;}
}
else
if
(
ratio
<=
TSL2561_LUX_K2C
)
{
else
if
(
ratio
<=
TSL2561_LUX_K3C
)
b
=
TSL2561_LUX_B2C
;
{
b
=
TSL2561_LUX_B3C
;
m
=
TSL2561_LUX_M3C
;}
m
=
TSL2561_LUX_M2C
;
else
if
(
ratio
<=
TSL2561_LUX_K4C
)
}
else
if
(
ratio
<=
TSL2561_LUX_K3C
)
{
{
b
=
TSL2561_LUX_B4C
;
m
=
TSL2561_LUX_M4C
;}
b
=
TSL2561_LUX_B3C
;
else
if
(
ratio
<=
TSL2561_LUX_K5C
)
m
=
TSL2561_LUX_M3C
;
{
b
=
TSL2561_LUX_B5C
;
m
=
TSL2561_LUX_M5C
;}
}
else
if
(
ratio
<=
TSL2561_LUX_K4C
)
{
else
if
(
ratio
<=
TSL2561_LUX_K6C
)
b
=
TSL2561_LUX_B4C
;
{
b
=
TSL2561_LUX_B6C
;
m
=
TSL2561_LUX_M6C
;}
m
=
TSL2561_LUX_M4C
;
else
if
(
ratio
<=
TSL2561_LUX_K7C
)
}
else
if
(
ratio
<=
TSL2561_LUX_K5C
)
{
{
b
=
TSL2561_LUX_B7C
;
m
=
TSL2561_LUX_M7C
;}
b
=
TSL2561_LUX_B5C
;
else
if
(
ratio
>
TSL2561_LUX_K8C
)
m
=
TSL2561_LUX_M5C
;
{
b
=
TSL2561_LUX_B8C
;
m
=
TSL2561_LUX_M8C
;}
}
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
#else
if
((
ratio
>=
0
)
&&
(
ratio
<=
TSL2561_LUX_K1T
))
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
)
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
)
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
)
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
)
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
)
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
)
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
)
else
if
(
ratio
>
TSL2561_LUX_K8T
)
{
b
=
TSL2561_LUX_B8T
;
m
=
TSL2561_LUX_M8T
;}
{
b
=
TSL2561_LUX_B8T
;
m
=
TSL2561_LUX_M8T
;}
#endif
#endif
unsigned
long
temp
;
unsigned
long
temp
;
temp
=
((
channel0
*
b
)
-
(
channel1
*
m
));
temp
=
((
channel0
*
b
)
-
(
channel1
*
m
));
// do not allow negative lux value
// do not allow negative lux value
if
(
temp
<
0
)
temp
=
0
;
if
(
temp
<
0
)
temp
=
0
;
// round lsb (2^(LUX_SCALE-1))
// round lsb (2^(LUX_SCALE-1))
temp
+=
(
1
<<
(
TSL2561_LUX_LUXSCALE
-
1
));
temp
+=
(
1
<<
(
TSL2561_LUX_LUXSCALE
-
1
));
// strip off fractional portion
// strip off fractional portion
uint32_t
lux
=
temp
>>
TSL2561_LUX_LUXSCALE
;
uint32_t
lux
=
temp
>>
TSL2561_LUX_LUXSCALE
;
// Signal I2C had no errors
// Signal I2C had no errors
return
lux
;
return
lux
;
}
}
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