apps/php-5.2.1/ext/elphel/elphel_php.h File Reference

#include <asm/elphel/c313a.h>
#include <asm/elphel/exifa.h>
#include <asm/elphel/autoexp.h>

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Defines

#define PHP_ELPHEL_H   1
#define ELPHEL_G(v)   (elphel_globals.v)
 currently ZTS is not defined
#define PHP_ELPHEL_VERSION   "1.0"
#define PHP_ELPHEL_EXTNAME   "elphel"
#define phpext_elphel_ptr   &elphel_module_entry

Functions

 PHP_FUNCTION (elph_hello)
 this function below is just for experiments
 PHP_FUNCTION (elphel_get_P_value)
 PHP_FUNCTION (elphel_set_P_value)
 Set acquisition/compression parameters. Second half (>=1024) maps to the read parameters (see above).
 PHP_FUNCTION (elphel_get_P_arr)
 PHP_FUNCTION (elphel_get_P_warr)
 Same as above, but reads _written_ parameters, not the output ones.
 PHP_FUNCTION (elphel_set_P_arr)
 PHP_FUNCTION (elphel_get_state)
 Get sensor state, usually 7- sensor is running, compressor is stopped, 8 - compressor is runing.
 PHP_FUNCTION (elphel_program_sensor)
 program sesnor/compressor according to the parameters specified. Argument==0 - restart the sensor, 1 - do it "on the fly"
 PHP_FUNCTION (elphel_compressor_cmd)
 Send arbitrary command to the FPGA compressor.
 PHP_FUNCTION (elphel_compressor_reset)
 Reset FPGA compressor (reinitialize, may need to issue twice in a row).
 PHP_FUNCTION (elphel_compressor_run)
 Start FPGA compressor.
 PHP_FUNCTION (elphel_compressor_stop)
 Stop FPGA comressor (need to wait when it is stopped).
 PHP_FUNCTION (elphel_compressor_frame)
 Acquire one frame to the buffer.
 PHP_FUNCTION (elphel_is_compressor_idle)
 return 1 if compressor is actually stopped
 PHP_FUNCTION (elphel_reset_sensor)
 reset sensor, and re-initialize it
 PHP_FUNCTION (elphel_set_fpga_time)
 PHP_FUNCTION (elphel_get_fpga_time)
 Get current FPGA time as (double) seconds.
 PHP_FUNCTION (elphel_flush_cache)
 PHP_FUNCTION (elphel_white_balance)
 PHP_FUNCTION (elphel_autoexposure_set)
 Set autoexposure parameters according to the ones written.
 PHP_FUNCTION (elphel_autoexposure_get)
 copy window and exposure parameters to autoexp_state
 PHP_FUNCTION (elphel_wait_frame)
 wait for the next frame to be compressed (and related parameters updated
 PHP_FUNCTION (elphel_fpga_read)
 Low-level, direct FPGA read/write.
 PHP_FUNCTION (elphel_fpga_write)
 PHP_FUNCTION (elphel_trigger)
 Program trigger parameters, start/restart trigger.
 PHP_FUNCTION (elphel_gamma)
 PHP_FUNCTION (elphel_histogram)
 PHP_FUNCTION (elphel_get_gamma)
 PHP_FUNCTION (elphel_get_histogram)
 PHP_FUNCTION (elphel_get_exif_field)
 PHP_FUNCTION (elphel_set_exif_field)
 PHP_FUNCTION (elphel_get_exif_elphel)
 PHP_FUNCTION (elphel_get_circbuf_pointers)
 PHP_FUNCTION (elphel_update_exif)
 PHP_MINIT_FUNCTION (elphel)
 PHP_MSHUTDOWN_FUNCTION (elphel)
 PHP_RINIT_FUNCTION (elphel)
 PHP_MINFO_FUNCTION (elphel)

Variables

int fd_exif
int fd_exifdir
int fd_exifmeta
int fd_sens
unsigned long * imageParamsR
int fd_circ
unsigned long * ccam_dma_buf
unsigned long ccam_dma_buf_len
int fd_autoexp
void * hist_gamma_mmap
exif_dir_table_t exif_dir [ExifKmlNumber]
 here histogram+gamma tables will be mmaped for reading
int exif_size
 store locations of the fields needed for KML generations in the Exif block
zend_module_entry elphel_module_entry

Define Documentation

#define ELPHEL_G ( v   )     (elphel_globals.v)

currently ZTS is not defined

Definition at line 35 of file elphel_php.h.

Referenced by calcWhiteBalance(), createExifDirectory(), init_sens(), PHP_FUNCTION(), and PHP_MSHUTDOWN_FUNCTION().

#define PHP_ELPHEL_EXTNAME   "elphel"

Definition at line 39 of file elphel_php.h.

#define PHP_ELPHEL_H   1

Definition at line 2 of file elphel_php.h.

#define PHP_ELPHEL_VERSION   "1.0"

Definition at line 38 of file elphel_php.h.

Referenced by PHP_MINFO_FUNCTION().

#define phpext_elphel_ptr   &elphel_module_entry

Definition at line 83 of file elphel_php.h.

Function Documentation

PHP_FUNCTION ( elphel_update_exif   ) 

Definition at line 455 of file elphel_php.c.

References createExifDirectory().

PHP_FUNCTION ( elphel_get_circbuf_pointers   ) 

Definition at line 219 of file elphel_php.c.

References buff_size, ccam_dma_buf, CIRCLSEEK_FIRST, CIRCLSEEK_NEXT, CIRCLSEEK_READY, CIRCLSEEK_SCND, ELPHEL_G, and fd_circ.

PHP_FUNCTION ( elphel_get_exif_elphel   ) 

Definition at line 249 of file elphel_php.c.

References createExifDirectory(), dst, ELPHEL_G, EXIF_COMPASS_PITCH_ASCII, EXIF_COMPASS_ROLL_ASCII, exif_dir, Exif_GPSInfo_CompassDirection, Exif_GPSInfo_CompassDirection_Index, Exif_GPSInfo_CompassPitch, Exif_GPSInfo_CompassPitch_Index, Exif_GPSInfo_CompassPitchRef, Exif_GPSInfo_CompassPitchRef_Index, Exif_GPSInfo_CompassRoll, Exif_GPSInfo_CompassRoll_Index, Exif_GPSInfo_CompassRollRef, Exif_GPSInfo_CompassRollRef_Index, Exif_GPSInfo_GPSAltitude, Exif_GPSInfo_GPSAltitude_Index, Exif_GPSInfo_GPSAltitudeRef, Exif_GPSInfo_GPSAltitudeRef_Index, Exif_GPSInfo_GPSDateStamp, Exif_GPSInfo_GPSDateStamp_Index, Exif_GPSInfo_GPSLatitude, Exif_GPSInfo_GPSLatitude_Index, Exif_GPSInfo_GPSLatitudeRef, Exif_GPSInfo_GPSLatitudeRef_Index, Exif_GPSInfo_GPSLongitude, Exif_GPSInfo_GPSLongitude_Index, Exif_GPSInfo_GPSLongitudeRef, Exif_GPSInfo_GPSLongitudeRef_Index, Exif_GPSInfo_GPSMeasureMode, Exif_GPSInfo_GPSMeasureMode_Index, Exif_GPSInfo_GPSTimeStamp, Exif_GPSInfo_GPSTimeStamp_Index, Exif_Image_FrameNumber, Exif_Image_FrameNumber_Index, Exif_Image_ImageDescription, Exif_Image_ImageDescription_Index, Exif_Photo_DateTimeOriginal, Exif_Photo_DateTimeOriginal_Index, Exif_Photo_ExposureTime, Exif_Photo_ExposureTime_Index, Exif_Photo_SubSecTimeOriginal, Exif_Photo_SubSecTimeOriginal_Index, fd_exif, exif_dir_table_t::len, exif_dir_table_t::ltag, read, and saferead255.

PHP_FUNCTION ( elphel_set_exif_field   ) 

Definition at line 493 of file elphel_php.c.

References ELPHEL_G, fd_exifdir, fd_exifmeta, exif_dir_table_t::ltag, read, and write.

PHP_FUNCTION ( elphel_get_exif_field   ) 

Definition at line 460 of file elphel_php.c.

References ELPHEL_G, fd_exif, fd_exifdir, exif_dir_table_t::ltag, and read.

PHP_FUNCTION ( elphel_get_histogram   ) 

Definition at line 566 of file elphel_php.c.

References ELPHEL_G, and hist_gamma_mmap.

PHP_FUNCTION ( elphel_get_gamma   ) 

Definition at line 578 of file elphel_php.c.

References ELPHEL_G, hist_gamma_mmap, and HIST_LEN.

PHP_FUNCTION ( elphel_histogram   ) 

Definition at line 617 of file elphel_php.c.

References ELPHEL_G, hist_gamma_mmap, HIST_LEN, and memcpy().

PHP_FUNCTION ( elphel_gamma   ) 

*********************************** GAMMA ****************************************** Uses gamma table selected by first parameter (0 - R, 1 - G, 2 - GB, 3 - B) and the fraction (0..1.0) to find (and interpolate) the output value

wrong channel

copying array, so they will be "frozen", not updated with the new frames here - no need to copy...

Definition at line 596 of file elphel_php.c.

References ELPHEL_G, gamma, GAMMA_LEN, hist_gamma_mmap, HIST_LEN, and memcpy().

PHP_FUNCTION ( elphel_trigger   ) 

Program trigger parameters, start/restart trigger.

Definition at line 1112 of file elphel_php.c.

References ELPHEL_G, fd_sens, and LSEEK_TRIGGER_PGM.

PHP_FUNCTION ( elphel_fpga_write   ) 

Definition at line 950 of file elphel_php.c.

References data, fd, return, and write.

PHP_FUNCTION ( elphel_fpga_read   ) 

Low-level, direct FPGA read/write.

32-bit registers, not bytes

Definition at line 929 of file elphel_php.c.

References data, fd, read, and return.

PHP_FUNCTION ( elphel_wait_frame   ) 

wait for the next frame to be compressed (and related parameters updated

Definition at line 538 of file elphel_php.c.

References CIRCLSEEK_TOWP, CIRCLSEEK_WAIT, ELPHEL_G, and fd_circ.

PHP_FUNCTION ( elphel_autoexposure_get   ) 

copy window and exposure parameters to autoexp_state

Definition at line 553 of file elphel_php.c.

References ELPHEL_G, fd_sens, and LSEEK_AUTOEXP_GET.

PHP_FUNCTION ( elphel_autoexposure_set   ) 

Set autoexposure parameters according to the ones written.

Definition at line 546 of file elphel_php.c.

References ELPHEL_G, fd_sens, and LSEEK_AUTOEXP_SET.

PHP_FUNCTION ( elphel_white_balance   ) 

elphel_white_balance ([double thrsh [, double minfrac [, double rscale [,double bscale]]]]); needs program non_stop to apply calculated results returns 0 if OK, else - negative (error number)

R/G, B/G. G1/G

threshold (0..255) for the "brightest color"

minimal number of pixels above threshold for the brightest color (threshold will be lowered to satisfy min_pixels)

error, negative

apply color correction (if any) to the result

program the calculated values make sure that with small steps the integer values are changed by at least 1

Definition at line 769 of file elphel_php.c.

References bscale, calcWhiteBalance(), ELPHEL_G, imageParamsR, P_ACTUAL_HEIGHT, P_ACTUAL_WIDTH, P_BSCALE, P_GSCALE, P_NUMBER, P_RSCALE, rscale, and s.

PHP_FUNCTION ( elphel_flush_cache   ) 

Definition at line 166 of file elphel_php.c.

References ELPHEL_G, fd_sens, and LSEEK_FLUSH_CACHE.

PHP_FUNCTION ( elphel_get_fpga_time   ) 

Get current FPGA time as (double) seconds.

Definition at line 1102 of file elphel_php.c.

References ELPHEL_G, fd_sens, imageParamsR, LSEEK_GET_FPGA_TIME, P_MICROSECONDS, and P_SECONDS.

PHP_FUNCTION ( elphel_set_fpga_time   ) 

set FPGA clock. Input parameter - (double) seconds (i.e. from 01/01/1970) This clock is used to timestamp each image returns same time rounded to microseconds (as written to FPGA)

Definition at line 1085 of file elphel_php.c.

References ELPHEL_G, fd_sens, imageParamsR, LSEEK_SET_FPGA_TIME, P_MICROSECONDS, P_NUMBER, and P_SECONDS.

PHP_FUNCTION ( elphel_reset_sensor   ) 

reset sensor, and re-initialize it

reset circbuf and DMA

reset senosr

re-initialize sensor

Definition at line 1075 of file elphel_php.c.

References ELPHEL_G, fd_sens, init_sens(), JPEG_CMD_RESET, and LSEEK_RESET_SENSOR.

PHP_FUNCTION ( elphel_is_compressor_idle   ) 

return 1 if compressor is actually stopped

Definition at line 1066 of file elphel_php.c.

References ELPHEL_G, fd_sens, imageParamsR, LSEEK_CAMSEQSTATE, P_COMPRESSOR_CMD, and state.

PHP_FUNCTION ( elphel_compressor_frame   ) 

Acquire one frame to the buffer.

Definition at line 1059 of file elphel_php.c.

References ELPHEL_G, fd_sens, and JPEG_CMD_ACQUIRE.

PHP_FUNCTION ( elphel_compressor_stop   ) 

Stop FPGA comressor (need to wait when it is stopped).

Definition at line 1053 of file elphel_php.c.

References ELPHEL_G, fd_sens, and JPEG_CMD_JUST_STOP.

PHP_FUNCTION ( elphel_compressor_run   ) 

Start FPGA compressor.

Definition at line 1045 of file elphel_php.c.

References ELPHEL_G, fd_sens, and JPEG_CMD_START.

PHP_FUNCTION ( elphel_compressor_reset   ) 

Reset FPGA compressor (reinitialize, may need to issue twice in a row).

Definition at line 1038 of file elphel_php.c.

References ELPHEL_G, fd_sens, and JPEG_CMD_RESET0.

PHP_FUNCTION ( elphel_compressor_cmd   ) 

Send arbitrary command to the FPGA compressor.

Definition at line 1028 of file elphel_php.c.

References cmd, ELPHEL_G, and fd_sens.

PHP_FUNCTION ( elphel_program_sensor   ) 

program sesnor/compressor according to the parameters specified. Argument==0 - restart the sensor, 1 - do it "on the fly"

Definition at line 1014 of file elphel_php.c.

References ELPHEL_G, fd_sens, init_sens(), PROGRAM_SENSOR_0, and PROGRAM_SENSOR_1.

PHP_FUNCTION ( elphel_get_state   ) 

Get sensor state, usually 7- sensor is running, compressor is stopped, 8 - compressor is runing.

Definition at line 1008 of file elphel_php.c.

References ELPHEL_G, fd_sens, and LSEEK_CAMSEQSTATE.

PHP_FUNCTION ( elphel_set_P_arr   ) 

This function reads associative array and writes values to the camera registers, using "ELPHEL_* constants" to determine register address from the provided key in each key/value pair All non-numerical values are ignored Returns number of values written

Definition at line 891 of file elphel_php.c.

References data, ELPHEL_G, imageParamsR, init_sens(), and P_NUMBER.

PHP_FUNCTION ( elphel_get_P_warr   ) 

Same as above, but reads _written_ parameters, not the output ones.

Definition at line 857 of file elphel_php.c.

References data, ELPHEL_G, imageParamsR, init_sens(), and P_NUMBER.

PHP_FUNCTION ( elphel_get_P_arr   ) 

This function reads associative array and uses the keys as a template for the result array. If mey is one of the defined P_VALUE names (same as global constant but w/o "ELPHEL_" prefix) then the result array will have element with the same key and the value equal to the value of the camera parameter

Definition at line 828 of file elphel_php.c.

References data, ELPHEL_G, imageParamsR, and init_sens().

PHP_FUNCTION ( elphel_set_P_value   ) 

Set acquisition/compression parameters. Second half (>=1024) maps to the read parameters (see above).

Definition at line 989 of file elphel_php.c.

References data, ELPHEL_G, imageParamsR, init_sens(), and P_NUMBER.

PHP_FUNCTION ( elphel_get_P_value   ) 

Read value from the sensor/compressor parameters ("read" parameters, verified by the driver), see asm/elphel/c313a.h Second half (>=1024) maps to write parameters (to be used by the camera driver)

Definition at line 975 of file elphel_php.c.

References ELPHEL_G, imageParamsR, init_sens(), and P_NUMBER.

PHP_FUNCTION ( elph_hello   ) 

this function below is just for experiments

this below works

Definition at line 525 of file elphel_php.c.

References DEFINE_P_NAMES, ELPHEL_G, and imageParamsR.

PHP_MINFO_FUNCTION ( elphel   ) 

Definition at line 1237 of file elphel_php.c.

References PHP_ELPHEL_VERSION.

PHP_MINIT_FUNCTION ( elphel   ) 

Definition at line 1205 of file elphel_php.c.

References DEFINE_P_NAMES, and php_elphel_init_globals().

PHP_MSHUTDOWN_FUNCTION ( elphel   ) 

Definition at line 1222 of file elphel_php.c.

References ccam_dma_buf, ELPHEL_G, fd_autoexp, fd_circ, fd_exif, fd_exifdir, fd_exifmeta, fd_sens, hist_gamma_mmap, and imageParamsR.

PHP_RINIT_FUNCTION ( elphel   ) 

Definition at line 1198 of file elphel_php.c.

Variable Documentation

unsigned long* ccam_dma_buf

Definition at line 24 of file elphel_php.h.

unsigned long ccam_dma_buf_len

Definition at line 25 of file elphel_php.h.

zend_module_entry elphel_module_entry

Definition at line 134 of file elphel_php.c.

struct exif_dir_table_t exif_dir[ExifKmlNumber]

here histogram+gamma tables will be mmaped for reading

Definition at line 28 of file elphel_php.h.

Referenced by createExifDirectory(), and PHP_FUNCTION().

int exif_size

store locations of the fields needed for KML generations in the Exif block

Definition at line 29 of file elphel_php.h.

Referenced by createExifDirectory().

int fd_autoexp

Definition at line 26 of file elphel_php.h.

Referenced by PHP_MSHUTDOWN_FUNCTION().

int fd_circ

Definition at line 23 of file elphel_php.h.

Referenced by listener_loop(), PHP_FUNCTION(), and PHP_MSHUTDOWN_FUNCTION().

int fd_exif

Definition at line 18 of file elphel_php.h.

Referenced by main(), PHP_FUNCTION(), PHP_MSHUTDOWN_FUNCTION(), and sendImage().

int fd_exifdir

Definition at line 19 of file elphel_php.h.

Referenced by createExifDirectory(), PHP_FUNCTION(), and PHP_MSHUTDOWN_FUNCTION().

int fd_exifmeta

Definition at line 20 of file elphel_php.h.

Referenced by PHP_FUNCTION(), and PHP_MSHUTDOWN_FUNCTION().

int fd_sens

Definition at line 21 of file elphel_php.h.

Referenced by framePointersXML(), init_sens(), PHP_FUNCTION(), and PHP_MSHUTDOWN_FUNCTION().

void* hist_gamma_mmap

Definition at line 27 of file elphel_php.h.

Referenced by calcWhiteBalance(), PHP_FUNCTION(), and PHP_MSHUTDOWN_FUNCTION().

unsigned long* imageParamsR

Definition at line 22 of file elphel_php.h.

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