diff options
Diffstat (limited to 'camlibs/barbie/barbie.h')
| -rw-r--r-- | camlibs/barbie/barbie.h | 115 |
1 files changed, 115 insertions, 0 deletions
diff --git a/camlibs/barbie/barbie.h b/camlibs/barbie/barbie.h new file mode 100644 index 000000000..61558d15f --- /dev/null +++ b/camlibs/barbie/barbie.h @@ -0,0 +1,115 @@ +/* Protocol Notes + ========================================================== + +* PC is the host (always) + +* 6 images MAXIMUM on the camera, 128k of memory + +* Camera has an image counter that designates current image to do something with. + (yes, there is better wording, but hey... :) + +* ACK = 0x06, NAK = 0x15 + - No ack/nak means bad connection/faulty cable/no camera + +* Camera always answers ACK to sent command + +* Most COMMAND's have a matching RESPONSE + +* Command Packet structure is: + [0x02] [COMMAND] [DATA] [DATA] [...] [0x03] + +* Response Packet structure is: + [0x02] [RESPONSE] [DATA] [DATA] [...] [0x03] + +* Image transfer Packet Structure is: + [0x02] [RESPONSE] [N1] [N2] [N3] [N4] [DATA] [DATA] [...] [0x03] + + N1 = number of columns in the image + N2 = number of black lines + N3 = number of visible lines + N4 = number of status bytes + + Number of data bytes = N1 * (N2 + N3) + N4 + +* Firmware version transfer Packet Structure is: + [0x02] [RESPONSE] [SIZE] [CHAR] [CHAR] [...] [NULL] [0x03] + + - On error: + [0x02] [RESPONSE] [0] [0x03] + +* Camera sends response packets to host after it sends ACK. + (NAK gets no response of course) + + - Command/Response codes + (note: COMMAND is upper case, RESPONSE is lower case of same letter) + + CMD CMD DATA BYTES RESP DATA BYTES Description + --- ----------------------- --------------------- ----------------------- + A 1 (index #) 1 (0) move to image index # + B 2 (duration, num times) 1 (0) beep (duration*50ms) + E 1 (test char) 1 (test char) echo (test or wake up camera) + G 1 (delay & retry flags) 1 (0, use grab image grab image - increments counter, + result for error lower nibble = self timer delay, + upper nibble = retry numbers + 0,16,32,64(force),112 + I 1 (0) 1 (image index) get image counter + (use reset first to get # pics) + J 2 (value: LSB, MSB) 2 (error, value) increment counter + (0 lets current ram be read) + K 1 (value) 1 (error) write rambyte + (counter incremented after) + L 1 (0) 1 (0) go idle + M 1 (0) hdr+pixel data+info upload thumbnail (increments + image counter & image index) + P 1 (new port value) 1 (old port value) set port value + Q 1 (video mode) 1 (0) video mode (!!) + (requires capture card) + R 1 (register index) 1 (register value) read register value + (error = 0xFF) + T 2 (min, max) 1 (0) set exposure threshold + U 1 (0) hdr+pixel data+info upload image + V 1 (0) version string get version information + W 2 (register index, value) 1 (0 = OK, 0xFF = ERR) write register value + X 1 (0) 2 (min, max) get exposure threshold + Y 1 (0) 1 (grab result code) get grab result code + 0x00 = successful + 0x80 = memory full + 0x81 = failed exposure + Z 1 (0) 1 (0) quit self test + +* If camera is busy when command is issued, camera responds with a BUSY packet + [0x02] [BUSY] [BUSYCODE] [0x03] + + - BUSY = '!' + - Busy codes: + 0x20 BUSY_TIMER camera waiting + 0x21 BUSY_EXPOSURE waiting for exposure after grab started + 0x22 BUSY_VIDEO camera in continuous video mode (self test)(yummy!!!!) :) + 0x23 BUSY_SHUTTER waiting for shutter to come up + 0x24 BUSY_COMMAND waiting for command completion + 0x25 BUSY_COUNTER counter being reset (to nonzero value) + +*/ + +#define MAX_PICTURES 6 + +#define ACK 0x06 +#define NAK 0x15 + +#define COMMAND_BYTE 1 +#define RESPONSE_BYTE 1 +#define DATA1_BYTE 2 +#define DATA2_BYTE 3 + +#define BARBIE_DATA_FIRMWARE 0 +#define BARBIE_DATA_THUMBNAIL 1 +#define BARBIE_DATA_PICTURE 2 + +#define PICTURE_SIZE(n1, n2, n3, n4) (n1*(n2+n3)+n4) + +/* Utility functions */ +char* barbie_read_firmware(GPPort *port); +char* barbie_read_picture (GPPort *port, int picture_number, int get_thumbnail, int *size); +int barbie_exchange (GPPort *port, char *cmd, int cmd_size, char *resp, int resp_size); +int barbie_ping (GPPort *port); +int barbie_file_count (GPPort *port); |