camctl.h

00001 #ifndef _CAMCTL_H_
00002 #define _CAMCTL_H_
00003 
00004 #include "mbed.h"
00005 
00006 /**********************************************************************************
00007 * Camera parameters
00008 ***********************************************************************************/
00009 
00010 #define BASE_PERIOD             20/* us
00011 * Description: All times are based on this time
00012 */
00013 
00014 #define START_DELAY             10/* x1000 = 1ms
00015 * Description: All times are based on this time
00016 */
00017 
00018 #define SI_PULSE_WIDTH          15/* x BASE_PERIOD = 10ms
00019 * Description: Pulse width of SI signal
00020 */
00021 
00022 
00023 #define SI_PULSE_WIDTH_HALF     (SI_PULSE_WIDTH/2)/* x BASE_PERIOD = 10ms
00024 * Description: Pulse width of SI signal
00025 */
00026 
00027 #define CLK_PULSE_WIDTH_HALF    (SI_PULSE_WIDTH/2)/* x BASE_PERIOD = 10ms
00028 * Description: Pulse width of SI signal
00029 */
00030 
00031 /*#define EXPOSURE_TIME       (uint8)(15)*//* x BASE_PERIOD = 10ms
00032 * Description: Time between firts SI pulse and second one.
00033 */
00034 
00035 #define CLK_PULSE_WIDTH         SI_PULSE_WIDTH/* x BASE_PERIOD = 10ms
00036 * Description: Must be the same value used for SI_PULSE_WIDTH
00037 */
00038 
00039 #define NO_OF_CLK_PULSES        129/*
00040 * Description: Number of pulses to trigger between 2 SI pulses.
00041 */
00042 
00043 #define IDLE_TIME               15/*us
00044 * Description: Time to wait before the next SI pulse.
00045 */
00046 
00047 #define BUFFER_LENGTH           128/*
00048 * Description: Number of to get from linescan camera.
00049 */
00050 
00051 /**********************************************************************************
00052 * Variable types definition
00053 ***********************************************************************************/
00054 typedef enum
00055 {
00056     nContinuous = 0,
00057     nOneShot,
00058     nNone,
00059     nNumberOfModes
00060 }CAMCTL__tenCaptureMode;
00061 
00062 typedef struct
00063 {
00064     uint8_t u8ActiveCapture : 1;
00065     uint8_t u8ClkEnd : 1;
00066     CAMCTL__tenCaptureMode enCaptureMode;
00067 }CAMCTL__tstCameraOptions;
00068 
00069 /**********************************************************************************
00070 * Global functions
00071 ***********************************************************************************/
00072 void CAMCTL_vInit(void);
00073 void CAMCTL_vTriggerOneShotCapture(void);
00074 void CAMCTL_vTriggerContinuousCapture(void);
00075 void CAMCTL_vStopContinuousCapture(void);
00076 uint16_t * CAMCTL_pu16GetData( void );
00077 bool CAMCTL_boCalibrateCamera(uint16_t* pu16ThreshCalibration, uint8_t u8Frames2Wait);
00078 
00079 #endif /* END OF _CAMCTL_H_ */