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CamCtrl

The CamCtrl has an I2C data bus.

Protocol

• Slave Address: 0x26
• 4 Bytes command to the unit
• 11 Bytes from the unit

Defines

FromCamCtrl.CamStatus

•    1 // FromCamCtrl.CamStatus
     2 #define CAM_STATE_RDY           0x80   // The camera seems to be ready
     3 #define CAM_STATE_REC_ACTIVE    0x40   // Recording Video 
     4 #define CAM_STATE_PHOTO_MODE    0x20   // Camera is in Photo Mode
     5 #define CAM_STATE_OFF           0x10   // Camera off but connected
     6 #define CAM_STATE_CAM_DISCONN   0x08   // Camera is not connected 
     7 #define CAM_STATE_I2C_OK        0x04   // Cam_Ctrl is connected by I2C (set by NC)
     8 #define CAM_STATE_ZOOM          0x02   // Zoom active
     9 #define CAM_STATE_PIC_CAPTURED  0x01   // Bit for captured one Photo recently
    10 
  

ToCamCtrl.CamCommand

•    1 // ToCamCtrl.CamCommand
     2 #define CAM_CMD_SWITCH_ON       0x80
     3 #define CAM_CMD_SWITCH_OFF      0x40
     4 #define CAM_CMD_REC_ON          0x20
     5 #define CAM_CMD_REC_OFF         0x10
     6 #define CAM_CMD_SHUTTER         0x08
     7 #define CAM_CMD_RESET_CAM       0x02
     8 
  

FromCamCtrl.Type

•    1 //FromCamCtrl.Type
     2 #define TYPE_LANC       1
     3 #define TYPE_IR         2
     4 #define TYPE_MULTI      3
     5 
  

Structures

Structure FromCamCtrl

•    1 typedef struct
     2 {
     3   u8 CamStatus;
     4   u16 PhotoCount;
     5   u8 free1;
     6   u8 PPM1Okay;
     7   u8 PPM1Data;
     8   u8 PPM2Okay;
     9   u8 PPM2Data;
    10   u8 Type;              
    11   u8 Version;   // 4 = V1.04   104 = V2.04
    12   u8 Compatible;
    13 } __attribute__((packed)) FromCamCtrl_t; // note: use 'packed' for 16 or 32-bit processors
    14 extern FromCamCtrl_t FromCamCtrl;
  

Structure ToCamCtrl

•    1 typedef struct
     2 {
     3   u8 CamCommand;
     4   u8 ZoomInput;
     5   u8 dummy;  // free for further use -> leave zero
     6   u8 dummy2;  // free for further use -> leave zero
     7 } __attribute__((packed)) ToCamCtrl_t; // note: use 'packed' for 16 or 32-bit processors
     8 
  

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