Re-root site.

esp32/camera.fs

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+\ Copyright 2021 Bradley D. Nelson
+\
+\ Licensed under the Apache License, Version 2.0 (the "License");
+\ you may not use this file except in compliance with the License.
+\ You may obtain a copy of the License at
+\
+\     http://www.apache.org/licenses/LICENSE-2.0
+\
+\ Unless required by applicable law or agreed to in writing, software
+\ distributed under the License is distributed on an "AS IS" BASIS,
+\ WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+\ See the License for the specific language governing permissions and
+\ limitations under the License.
+
+internals definitions
+transfer camera-builtins
+forth definitions
+
+( Lazy loaded camera handling for ESP32-CAM )
+: camera r|
+
+vocabulary camera   camera definitions
+  also internals
+transfer camera-builtins
+
+0 constant PIXFORMAT_RGB565
+1 constant PIXFORMAT_YUV422
+2 constant PIXFORMAT_GRAYSCALE
+3 constant PIXFORMAT_JPEG
+4 constant PIXFORMAT_RGB888
+5 constant PIXFORMAT_RAW
+6 constant PIXFORMAT_RGB444
+7 constant PIXFORMAT_RGB555
+
+5 constant FRAMESIZE_QVGA
+8 constant FRAMESIZE_VGA
+
+( See https://github.com/espressif/esp32-camera/blob/master/driver/include/esp_camera.h )
+( Settings for AI_THINKER )
+create camera-config
+  32 , ( pin_pwdn ) -1 , ( pin_reset ) 0 , ( pin_xclk )
+  26 , ( pin_sscb_sda ) 27 , ( pin_sscb_scl )
+  35 , 34 , 39 , 36 , 21 , 19 , 18 , 5 , ( pin_d7 - pin_d0 )
+  25 , ( pin_vsync ) 23 , ( pin_href ) 22 , ( pin_pclk )
+  20000000 , ( xclk_freq_hz )
+  0 , ( ledc_timer ) 0 , ( ledc_channel )
+  here
+  PIXFORMAT_JPEG , ( pixel_format )
+  FRAMESIZE_VGA , ( frame_size ) 12 , ( jpeg_quality 0-63 low good )
+  here
+  1 , ( fb_count )
+constant camera-fb-count
+constant camera-format
+
+forth definitions
+camera
+| evaluate ;
+
+[THEN]