Ahmed Saber / JPEGCamera

Bluetooth JPEG camera library with test program build over the the original library for LS-Y201 LinkSprite JPEG Camera

Dependents:   JPEGCameraTest JPEGCamera_SIM808_STM32F401RE JPEGCamera_SIM808_MPU9150_STM32F401RE

JPEGCamera.h@0:4df5706ea8d9, 2014-10-13 (annotated)

Committer:
thesane
Date:
Mon Oct 13 20:54:24 2014 +0000
Revision:
0:4df5706ea8d9
modify JPEG camera to send image over serial port/bluetooth module instead of writing it to USB drive

Who changed what in which revision?

UserRevisionLine numberNew contents of line
thesane 0:4df5706ea8d9 1 /* Arduino JPEGCamera Library
thesane 0:4df5706ea8d9 2 * Copyright 2010 SparkFun Electronics
thesane 0:4df5706ea8d9 3 * Written by Ryan Owens
thesane 0:4df5706ea8d9 4 * Modified by arms22
thesane 0:4df5706ea8d9 5 * Ported to mbed by yamaguch
thesane 0:4df5706ea8d9 6 * Modified by thesane
thesane 0:4df5706ea8d9 7 */
thesane 0:4df5706ea8d9 8
thesane 0:4df5706ea8d9 9 #ifndef JPEG_CAMERA_H
thesane 0:4df5706ea8d9 10 #define JPEG_CAMERA_H
thesane 0:4df5706ea8d9 11
thesane 0:4df5706ea8d9 12 #include "mbed.h"
thesane 0:4df5706ea8d9 13
thesane 0:4df5706ea8d9 14 /**
thesane 0:4df5706ea8d9 15 * Interface for LinkSprite JPEG Camera module LS-Y201
thesane 0:4df5706ea8d9 16 */
thesane 0:4df5706ea8d9 17 class JPEGCamera : public Serial {
thesane 0:4df5706ea8d9 18 public:
thesane 0:4df5706ea8d9 19 /***/
thesane 0:4df5706ea8d9 20 enum PictureSize {
thesane 0:4df5706ea8d9 21 SIZE160x120 = 0x22,
thesane 0:4df5706ea8d9 22 SIZE320x240 = 0x11,
thesane 0:4df5706ea8d9 23 SIZE640x480 = 0x00,
thesane 0:4df5706ea8d9 24 };
thesane 0:4df5706ea8d9 25
thesane 0:4df5706ea8d9 26 /**
thesane 0:4df5706ea8d9 27 * Create JPEG Camera
thesane 0:4df5706ea8d9 28 *
thesane 0:4df5706ea8d9 29 * @param tx tx pin
thesane 0:4df5706ea8d9 30 * @param rx rx pin
thesane 0:4df5706ea8d9 31 */
thesane 0:4df5706ea8d9 32 JPEGCamera(PinName tx, PinName rx);
thesane 0:4df5706ea8d9 33
thesane 0:4df5706ea8d9 34 /**
thesane 0:4df5706ea8d9 35 * Set picture size
thesane 0:4df5706ea8d9 36 *
thesane 0:4df5706ea8d9 37 * @param size picture size (available sizes are SIZE160x120, SIZE320x240, SIZE640x480)
thesane 0:4df5706ea8d9 38 * @param doReset flag to perform reset operation after changing size
thesane 0:4df5706ea8d9 39 *
thesane 0:4df5706ea8d9 40 * @returns true if succeeded, false otherwise
thesane 0:4df5706ea8d9 41 */
thesane 0:4df5706ea8d9 42 bool setPictureSize(JPEGCamera::PictureSize size, bool doReset = true);
thesane 0:4df5706ea8d9 43
thesane 0:4df5706ea8d9 44 /**
thesane 0:4df5706ea8d9 45 * Return whether camera is ready or not
thesane 0:4df5706ea8d9 46 *
thesane 0:4df5706ea8d9 47 * @returns true if ready, false otherwise
thesane 0:4df5706ea8d9 48 */
thesane 0:4df5706ea8d9 49 bool isReady();
thesane 0:4df5706ea8d9 50
thesane 0:4df5706ea8d9 51 /**
thesane 0:4df5706ea8d9 52 * Return whether camera is processing the taken picture or not
thesane 0:4df5706ea8d9 53 *
thesane 0:4df5706ea8d9 54 * @returns true if the camera is in processing, false otherwise
thesane 0:4df5706ea8d9 55 */
thesane 0:4df5706ea8d9 56 bool isProcessing();
thesane 0:4df5706ea8d9 57
thesane 0:4df5706ea8d9 58 /**
thesane 0:4df5706ea8d9 59 * Take a picture
thesane 0:4df5706ea8d9 60 *
thesane 0:4df5706ea8d9 61 * @param filename filename to store the picture data
thesane 0:4df5706ea8d9 62 * @returns true if succeeded, false otherwise
thesane 0:4df5706ea8d9 63 */
thesane 0:4df5706ea8d9 64 bool takePicture();
thesane 0:4df5706ea8d9 65 /**
thesane 0:4df5706ea8d9 66 * Process picture (writing the file)
thesane 0:4df5706ea8d9 67 *
thesane 0:4df5706ea8d9 68 * @param address of serial port used to transmit the image
thesane 0:4df5706ea8d9 69 * @returns true if no error in processing, false otherwise
thesane 0:4df5706ea8d9 70 */
thesane 0:4df5706ea8d9 71 bool processPicture(Serial &control);
thesane 0:4df5706ea8d9 72
thesane 0:4df5706ea8d9 73 /**
thesane 0:4df5706ea8d9 74 * Perform reset oepration (it takes 4 seconds)
thesane 0:4df5706ea8d9 75 *
thesane 0:4df5706ea8d9 76 * @returns true if succeeded, false otherwise
thesane 0:4df5706ea8d9 77 */
thesane 0:4df5706ea8d9 78 bool reset();
thesane 0:4df5706ea8d9 79
thesane 0:4df5706ea8d9 80 /**
thesane 0:4df5706ea8d9 81 * Send a picture command to the camera module
thesane 0:4df5706ea8d9 82 *
thesane 0:4df5706ea8d9 83 * @returns true if succeeded, false otherwise
thesane 0:4df5706ea8d9 84 */
thesane 0:4df5706ea8d9 85 bool takePicture_int(void);
thesane 0:4df5706ea8d9 86
thesane 0:4df5706ea8d9 87 /**
thesane 0:4df5706ea8d9 88 * Send a stop pictures command to the camera module
thesane 0:4df5706ea8d9 89 *
thesane 0:4df5706ea8d9 90 * @returns true if succeeded, false otherwise
thesane 0:4df5706ea8d9 91 */
thesane 0:4df5706ea8d9 92 bool stopPictures(void);
thesane 0:4df5706ea8d9 93
thesane 0:4df5706ea8d9 94 /**
thesane 0:4df5706ea8d9 95 * Get the picture image size
thesane 0:4df5706ea8d9 96 *
thesane 0:4df5706ea8d9 97 * @returns the actual image size in bytes
thesane 0:4df5706ea8d9 98 */
thesane 0:4df5706ea8d9 99 int getImageSize();
thesane 0:4df5706ea8d9 100
thesane 0:4df5706ea8d9 101 /**
thesane 0:4df5706ea8d9 102 * Read the picture data to the buffer
thesane 0:4df5706ea8d9 103 *
thesane 0:4df5706ea8d9 104 * @param dataBuf data buffer address to store the received data
thesane 0:4df5706ea8d9 105 * @param size data size to read
thesane 0:4df5706ea8d9 106 * @param address the address of the picture data to read
thesane 0:4df5706ea8d9 107 *
thesane 0:4df5706ea8d9 108 * @returns the size of the data read
thesane 0:4df5706ea8d9 109 */
thesane 0:4df5706ea8d9 110 int readData(char *dataBuf, int size, int address);
thesane 0:4df5706ea8d9 111
thesane 0:4df5706ea8d9 112 //private:
thesane 0:4df5706ea8d9 113 Timer timer;
thesane 0:4df5706ea8d9 114 FILE *fp;
thesane 0:4df5706ea8d9 115 int imageSize;
thesane 0:4df5706ea8d9 116 int address;
thesane 0:4df5706ea8d9 117 enum State {UNKNOWN, READY, PROCESSING, ERROR = -1} state;
thesane 0:4df5706ea8d9 118
thesane 0:4df5706ea8d9 119 int sendReceive(char *buf, int sendSize, int receiveSize);
thesane 0:4df5706ea8d9 120 int receive(char *buf, int size, int timeout);
thesane 0:4df5706ea8d9 121 };
thesane 0:4df5706ea8d9 122
thesane 0:4df5706ea8d9 123 #endif