Digital photographic device
View Patent ↗This device includes a camera, a host module, an interface part, and a chassis, wherein the host module has a host CPU that is connected to the interface, the camera module has a register that is provided with a first area and a second area distinguished from the first area depending on the address, and a camera CPU that receives the interruption when the data is written in the first area, the host CPU prepares a type of data and writes it in the first area, the camera CPU prepares dual data that correspond to the written type of data and writes it in the second area, and the host CPU can directly read the data from the second area while designating the address of the second area and further, the host CPU can directly write the data in the second area while designating the address of the second area.
1. A digital photographic device comprising:
a camera module configured to take a picture and to create image data;
a host module configured to save said image data;
an interface part configured to connect said camera module to said host module; and
a chassis configured to integrally hold said camera module, said host module, and said interface part;
wherein said host module comprises:
a host CPU that is connected to said interface part;
a register that is connected to said interface part and is provided with a first area and a second area distinguished from said first area depending on an address, and
a camera CPU that is connected to said register and configured to receive an interrupt when the data is written in said first area;
said host CPU is configured to prepare a type of data and to write said type of data in said first area through said interface part;
said camera CPU is configured to prepare dual data that correspond to said written type of data and to write said dual data in said second area; and
said host CPU is configured to directly read the data from said second area through said interface while designating the address of said second area and further, said host CPU is configured to directly write the data in said second area through said interface while designating the address of said second area.
2. The digital photographic device according to claim 1 , wherein said type of data is a message command indicating a predetermined function.
3. The digital photographic device according to claim 1 , wherein said dual data are control parameters of hardware.
4. The digital photographic device according to claim 1 , wherein said camera module comprises a solid-state image pickup device and said dual data are control parameters of said solid-state image pickup device.
5. The digital photographic device according to claim 1 , wherein said camera module comprises a lighting system and said dual data are control parameters of said lighting system.
6. The digital photographic device according to claim 1 , wherein said camera module comprises a plurality of lenses and a motor configured to move at least one lens among said plurality of lenses and said dual data are control parameters of said motor.
7. The digital photographic device according to claim 1 , wherein said host module has a telephone function.
8. A method comprising:
in response to first data being written to a first area of camera memory, reading the first data; and
writing dual data, which correspond to the first data, in the second area of camera memory, where the dual data implements a change in at least one camera hardware state.
9. The method according to claim 8 , wherein the first data is a message command indicating a predetermined function.
10. The method according to claim 8 , wherein the dual data comprise control parameters of camera hardware.
11. The method according to claim 8 , wherein the dual data comprise control parameters of at least one of a solid-state image pickup device, a lighting system, and a motor for moving at least one lens.
12. The method according to claim 8 , wherein the camera memory is a register.
13. The method according to claim 8 , where the camera memory has a message area and a parameter area.
14. The method according to claim 8 , further comprising generating an interrupt in response to the first data being written.
15. A camera apparatus, which comprises part of a host apparatus, comprising:
means for storing data;
means for reading first data in response to the first data being written to a first area of the storing means;
means for writing a dual data, which correspond to the first data in a second area of camera memory, where the dual data implements a change in a least one camera hardware state; and
means for the host apparatus to read the dual data from the second area while designating an address of the second area.
16. The camera apparatus according to claim 15 , wherein the first data is a message command indicating a predetermined function.
17. The camera apparatus according to claim 15 , wherein the dual data comprise control parameters of camera hardware.
18. The camera apparatus according to claim 15 , wherein the dual data comprise control parameters of at least one of a solid-state image pickup device, a lighting system, and a motor for moving at least one lens.
19. The camera apparatus according to claim 15 , further comprising means for generating an interrupt in response to the first data being written.
20. The camera apparatus according to claim 15 , where the host apparatus comprises a telephone function.