Changes between Version 47 and Version 48 of library_stdio
- Timestamp:
- Feb 9, 2015, 8:36:56 AM (10 years ago)
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library_stdio
v47 v48 197 197 This function desactivates the CMA channel allocated to the calling task. 198 198 199 === 5) void '''giet_fb _sync_read'''( unsigned int offset, void* buffer, unsigned int length ) ===199 === 5) void '''giet_fbf_sync_read'''( unsigned int offset, void* buffer, unsigned int length ) === 200 200 This blocking function use a memcopy strategy to transfer data from the frame buffer to an user buffer: ''offset'' defines the offset (in bytes) in the frame buffer, ''buffer'' is the user buffer base address, ''length'' is the number of bytes to be transfered. 201 201 202 === 6) void '''giet_fb _sync_write'''( unsigned int offset, void* buffer, unsigned int length ) ===202 === 6) void '''giet_fbf_sync_write'''( unsigned int offset, void* buffer, unsigned int length ) === 203 203 This blocking function use a memcopy strategy to transfer data from an user buffer to the frame buffer: ''offset'' defines the offset (in bytes) in the frame buffer, ''buffer'' is the user buffer base address, ''length'' is the number of bytes to be transfered. 204 204