tcs37727-internal.h File Reference

Register definitions for the TCS37727 driver. More...

Detailed Description

Register definitions for the TCS37727 driver.

Author
Johann Fischer j.fis.nosp@m.cher.nosp@m.@phyt.nosp@m.ec.d.nosp@m.e

Definition in file tcs37727-internal.h.

Go to the source code of this file.

Macros

#define TCS37727_AG_THRESHOLD_LOW   200
 
#define TCS37727_AG_THRESHOLD_HIGH   (65535 - TCS37727_AG_THRESHOLD_LOW)
 
Register Map
Note
All setting register are defined for repeated byte protocol transaction.
#define TCS37727_ENABLE   0x80
 Enables states and interrupts.
 
#define TCS37727_ATIME   0x81
 RGBC time.
 
#define TCS37727_PTIME   0x82
 Proximity time.
 
#define TCS37727_WTIME   0x83
 Wait time.
 
#define TCS37727_AILTL   0x04
 Clear interrupt low threshold low byte.
 
#define TCS37727_AILTH   0x05
 Clear interrupt low threshold high byte.
 
#define TCS37727_AIHTL   0x06
 Clear interrupt high threshold low byte.
 
#define TCS37727_AIHTH   0x07
 Clear interrupt high threshold high byte.
 
#define TCS37727_PILTL   0x08
 Proximity interrupt low threshold low byte.
 
#define TCS37727_PILTH   0x09
 Proximity interrupt low threshold high byte.
 
#define TCS37727_PIHTL   0x0A
 Proximity interrupt high threshold low byte.
 
#define TCS37727_PIHTH   0x0B
 Proximity interrupt high threshold high byte.
 
#define TCS37727_PERS   0x8C
 Interrupt persistence filters.
 
#define TCS37727_CONFIG   0x8D
 Configuration.
 
#define TCS37727_PPULSE   0x8E
 Proximity pulse count.
 
#define TCS37727_CONTROL   0x8F
 Gain control register.
 
#define TCS37727_ID   0x92
 Device IDID.
 
#define TCS37727_STATUS   0x93
 Device status.
 
#define TCS37727_CDATA   0x14
 Clear ADC data low byte.
 
#define TCS37727_CDATAH   0x15
 Clear ADC data high byte.
 
#define TCS37727_RDATA   0x16
 Red ADC data low byte.
 
#define TCS37727_RDATAH   0x17
 Red ADC data high byte.
 
#define TCS37727_GDATA   0x18
 Green ADC data low byte.
 
#define TCS37727_GDATAH   0x19
 Green ADC data high byte.
 
#define TCS37727_BDATA   0x1A
 Blue ADC data low byte.
 
#define TCS37727_BDATAH   0x1B
 Blue ADC data high byte.
 
#define TCS37727_PDATA   0x1C
 Proximity ADC data low byte.
 
#define TCS37727_PDATAH   0x1D
 Proximity ADC data high byte.
 
Command Register
#define TCS37727_BYTE_TRANS   0x80
 Repeated byte protocol transaction.
 
#define TCS37727_INC_TRANS   0xA0
 Auto-increment protocol transaction.
 
#define TCS37727_SF_PICLR   0xE5
 Proximity interrupt clear.
 
#define TCS37727_SF_CICLR   0xE6
 Clear channel interrupt clear.
 
#define TCS37727_SF_PCICLR   0xE7
 Proximity and Clear channel interrupt clear.
 
Enable Register
#define TCS37727_ENABLE_PIEN   (1 << 5)
 Proximity interrupt enable.
 
#define TCS37727_ENABLE_AIEN   (1 << 4)
 Clear channel interrupt enable.
 
#define TCS37727_ENABLE_WEN   (1 << 3)
 Wait enable, activates the wait feature.
 
#define TCS37727_ENABLE_PEN   (1 << 2)
 Proximity enable, activates the proximity function.
 
#define TCS37727_ENABLE_AEN   (1 << 1)
 RGBC enable, actives the two-channel ADC.
 
#define TCS37727_ENABLE_PON   (1 << 0)
 Power ON.
 
Control Register
#define TCS37727_CONTROL_PDRIVE_100   0x00
 100 mA LED Drive Strength
 
#define TCS37727_CONTROL_PDRIVE_50   0x04
 50 mA LED Drive Strength
 
#define TCS37727_CONTROL_PDRIVE_25   0x08
 25 mA LED Drive Strength
 
#define TCS37727_CONTROL_PDRIVE_12   0x0C
 12.5 mA LED Drive Strength
 
#define TCS37727_CONTROL_PDRIVE_MASK   0x0C
 PDRIVE Mask.
 
#define TCS37727_CONTROL_AGAIN_1   0x00
 1x gain RGBC Gain Value
 
#define TCS37727_CONTROL_AGAIN_4   0x01
 4x gain RGBC Gain Value
 
#define TCS37727_CONTROL_AGAIN_16   0x02
 16x gain RGBC Gain Value
 
#define TCS37727_CONTROL_AGAIN_60   0x03
 60x gain RGBC Gain Value
 
#define TCS37727_CONTROL_AGAIN_MASK   0x03
 AGAIN Mask.
 
Device ID
#define TCS37727_ID_VALUE   0x49
 
Predefined ATIME register values.
#define TCS37727_ATIME_MIN   2400 /* 2.4ms integration time, max count 1024 */
 
#define TCS37727_ATIME_MAX   614000 /* 614ms integration time, max count 0xffff */
 
#define TCS37727_ATIME_TO_REG(val)   (256 - (uint8_t)((val) / 2400))
 
#define TCS37727_ATIME_TO_US(reg)   ((256 - (uint8_t)(reg)) * 2400)
 
Coefficients for Lux and CT Equations (DN40)
Note
Coefficients in integer format, multiplied by 1000.
#define DGF_IF   310
 
#define R_COEF_IF   136
 
#define G_COEF_IF   1000
 
#define B_COEF_IF   -444
 
#define CT_COEF_IF   3810
 
#define CT_OFFSET_IF   1391